/*
 * Copyright 2016 WebAssembly Community Group participants
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//================
// Binaryen C API
//
// The first part of the API lets you create modules and their parts.
//
// The second part of the API lets you perform operations on modules.
//
// The third part of the API lets you provide a general control-flow
//   graph (CFG) as input.
//
// The final part of the API contains miscellaneous utilities like
//   debugging for the API itself.
//
// ---------------
//
// Thread safety: You can create Expressions in parallel, as they do not
//                refer to global state. BinaryenAddFunction is also
//                thread-safe, which means that you can create functions and
//                their contents in multiple threads. This is important since
//                functions are where the majority of the work is done.
//                Other methods - creating imports, exports, etc. - are
//                not currently thread-safe (as there is typically no need
//                to parallelize them).
//
//================

#ifndef wasm_binaryen_c_h
#define wasm_binaryen_c_h

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#ifdef __GNUC__
#define WASM_DEPRECATED __attribute__((deprecated))
#elif defined(_MSC_VER)
#define WASM_DEPRECATED __declspec(deprecated)
#else
#define WASM_DEPRECATED
#endif

#if defined(__EMSCRIPTEN__)
#include <emscripten.h>
#define BINARYEN_API EMSCRIPTEN_KEEPALIVE
#elif defined(_MSC_VER) && defined(BUILD_SHARED_LIBS)
// TODO: This is not yet used since we disabled BUILD_SHARED_LIBS under
// _MSC_VER in CMakeLists.txt
#define BINARYEN_API __declspec(dllexport)
#else
#define BINARYEN_API
#endif

#ifdef __cplusplus
#define BINARYEN_REF(NAME)                                                     \
  namespace wasm {                                                             \
  class NAME;                                                                  \
  };                                                                           \
  typedef class wasm::NAME* Binaryen##NAME##Ref;
#else
#define BINARYEN_REF(NAME) typedef struct Binaryen##NAME* Binaryen##NAME##Ref;
#endif

#ifdef __cplusplus
extern "C" {
#endif

//
// ========== Module Creation ==========
//

// BinaryenIndex
//
// Used for internal indexes and list sizes.

typedef uint32_t BinaryenIndex;

// Core types (call to get the value of each; you can cache them, they
// never change)

typedef uintptr_t BinaryenType;

BINARYEN_API BinaryenType BinaryenTypeNone(void);
BINARYEN_API BinaryenType BinaryenTypeInt32(void);
BINARYEN_API BinaryenType BinaryenTypeInt64(void);
BINARYEN_API BinaryenType BinaryenTypeFloat32(void);
BINARYEN_API BinaryenType BinaryenTypeFloat64(void);
BINARYEN_API BinaryenType BinaryenTypeVec128(void);
BINARYEN_API BinaryenType BinaryenTypeFuncref(void);
BINARYEN_API BinaryenType BinaryenTypeExternref(void);
BINARYEN_API BinaryenType BinaryenTypeAnyref(void);
BINARYEN_API BinaryenType BinaryenTypeEqref(void);
BINARYEN_API BinaryenType BinaryenTypeI31ref(void);
BINARYEN_API BinaryenType BinaryenTypeStructref(void);
BINARYEN_API BinaryenType BinaryenTypeArrayref(void);
BINARYEN_API BinaryenType BinaryenTypeStringref(void);
BINARYEN_API BinaryenType BinaryenTypeNullref(void);
BINARYEN_API BinaryenType BinaryenTypeNullExternref(void);
BINARYEN_API BinaryenType BinaryenTypeNullFuncref(void);
BINARYEN_API BinaryenType BinaryenTypeUnreachable(void);
// Not a real type. Used as the last parameter to BinaryenBlock to let
// the API figure out the type instead of providing one.
BINARYEN_API BinaryenType BinaryenTypeAuto(void);
BINARYEN_API BinaryenType BinaryenTypeCreate(BinaryenType* valueTypes,
                                             BinaryenIndex numTypes);
BINARYEN_API uint32_t BinaryenTypeArity(BinaryenType t);
BINARYEN_API void BinaryenTypeExpand(BinaryenType t, BinaryenType* buf);

WASM_DEPRECATED BinaryenType BinaryenNone(void);
WASM_DEPRECATED BinaryenType BinaryenInt32(void);
WASM_DEPRECATED BinaryenType BinaryenInt64(void);
WASM_DEPRECATED BinaryenType BinaryenFloat32(void);
WASM_DEPRECATED BinaryenType BinaryenFloat64(void);
WASM_DEPRECATED BinaryenType BinaryenUndefined(void);

// Packed types (call to get the value of each; you can cache them)

typedef uint32_t BinaryenPackedType;

BINARYEN_API BinaryenPackedType BinaryenPackedTypeNotPacked(void);
BINARYEN_API BinaryenPackedType BinaryenPackedTypeInt8(void);
BINARYEN_API BinaryenPackedType BinaryenPackedTypeInt16(void);

// Heap types

typedef uintptr_t BinaryenHeapType;

BINARYEN_API BinaryenHeapType BinaryenHeapTypeExt(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeFunc(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeAny(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeEq(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeI31(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeStruct(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeArray(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeString(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeNone(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeNoext(void);
BINARYEN_API BinaryenHeapType BinaryenHeapTypeNofunc(void);

BINARYEN_API bool BinaryenHeapTypeIsBasic(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenHeapTypeIsSignature(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenHeapTypeIsStruct(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenHeapTypeIsArray(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenHeapTypeIsBottom(BinaryenHeapType heapType);
BINARYEN_API BinaryenHeapType
BinaryenHeapTypeGetBottom(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenHeapTypeIsSubType(BinaryenHeapType left,
                                            BinaryenHeapType right);
BINARYEN_API BinaryenIndex
BinaryenStructTypeGetNumFields(BinaryenHeapType heapType);
BINARYEN_API BinaryenType
BinaryenStructTypeGetFieldType(BinaryenHeapType heapType, BinaryenIndex index);
BINARYEN_API BinaryenPackedType BinaryenStructTypeGetFieldPackedType(
  BinaryenHeapType heapType, BinaryenIndex index);
BINARYEN_API bool BinaryenStructTypeIsFieldMutable(BinaryenHeapType heapType,
                                                   BinaryenIndex index);
BINARYEN_API BinaryenType
BinaryenArrayTypeGetElementType(BinaryenHeapType heapType);
BINARYEN_API BinaryenPackedType
BinaryenArrayTypeGetElementPackedType(BinaryenHeapType heapType);
BINARYEN_API bool BinaryenArrayTypeIsElementMutable(BinaryenHeapType heapType);
BINARYEN_API BinaryenType
BinaryenSignatureTypeGetParams(BinaryenHeapType heapType);
BINARYEN_API BinaryenType
BinaryenSignatureTypeGetResults(BinaryenHeapType heapType);

BINARYEN_API BinaryenHeapType BinaryenTypeGetHeapType(BinaryenType type);
BINARYEN_API bool BinaryenTypeIsNullable(BinaryenType type);
BINARYEN_API BinaryenType BinaryenTypeFromHeapType(BinaryenHeapType heapType,
                                                   bool nullable);

// Expression ids (call to get the value of each; you can cache them)

typedef uint32_t BinaryenExpressionId;

BINARYEN_API BinaryenExpressionId BinaryenInvalidId(void);

#define DELEGATE(CLASS_TO_VISIT)                                               \
  BINARYEN_API BinaryenExpressionId Binaryen##CLASS_TO_VISIT##Id(void);

#include "wasm-delegations.def"

// External kinds (call to get the value of each; you can cache them)

typedef uint32_t BinaryenExternalKind;

BINARYEN_API BinaryenExternalKind BinaryenExternalFunction(void);
BINARYEN_API BinaryenExternalKind BinaryenExternalTable(void);
BINARYEN_API BinaryenExternalKind BinaryenExternalMemory(void);
BINARYEN_API BinaryenExternalKind BinaryenExternalGlobal(void);
BINARYEN_API BinaryenExternalKind BinaryenExternalTag(void);

// MemoryOrder for atomic operations

typedef uint8_t BinaryenMemoryOrder;

BINARYEN_API BinaryenMemoryOrder BinaryenMemoryOrderUnordered(void);

// Acquire/Release atomic memory operation; acquire for loads, release for
// stores.
BINARYEN_API BinaryenMemoryOrder BinaryenMemoryOrderAcqRel(void);

// Sequentially consistent atomic memory operation.
BINARYEN_API BinaryenMemoryOrder BinaryenMemoryOrderSeqCst(void);

// Features. Call to get the value of each; you can cache them. Use bitwise
// operators to combine and test particular features.

typedef uint32_t BinaryenFeatures;

BINARYEN_API BinaryenFeatures BinaryenFeatureMVP(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureAtomics(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureMutableGlobals(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureNontrappingFPToInt(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureSIMD128(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureBulkMemory(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureSignExt(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureExceptionHandling(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureTailCall(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureReferenceTypes(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureMultivalue(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureGC(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureMemory64(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureRelaxedSIMD(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureExtendedConst(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureStrings(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureMultiMemory(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureStackSwitching(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureSharedEverything(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureFP16(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureBulkMemoryOpt(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureCallIndirectOverlong(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureRelaxedAtomics(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureMultibyte(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureCustomPageSizes(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureWideArithmetic(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureCompactImports(void);
BINARYEN_API BinaryenFeatures BinaryenFeatureAll(void);

// Modules
//
// Modules contain lists of functions, imports, exports, function types. The
// Add* methods create them on a module. The module owns them and will free
// their memory when the module is disposed of.
//
// Expressions are also allocated inside modules, and freed with the module.
// They are not created by Add* methods, since they are not added directly on
// the module, instead, they are arguments to other expressions (and then they
// are the children of that AST node), or to a function (and then they are the
// body of that function).
//
// A module can also contain a function table for indirect calls, a memory,
// and a start method.

BINARYEN_REF(Module);

BINARYEN_API BinaryenModuleRef BinaryenModuleCreate(void);
BINARYEN_API void BinaryenModuleDispose(BinaryenModuleRef module);

// Literals. These are passed by value.

struct BinaryenLiteral {
  uintptr_t type;
  union {
    int32_t i32;
    int64_t i64;
    float f32;
    double f64;
    uint8_t v128[16];
    const char* func;
  };
};

BINARYEN_API struct BinaryenLiteral BinaryenLiteralInt32(int32_t x);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralInt64(int64_t x);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralFloat32(float x);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralFloat64(double x);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralVec128(const uint8_t x[16]);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralFloat32Bits(int32_t x);
BINARYEN_API struct BinaryenLiteral BinaryenLiteralFloat64Bits(int64_t x);

// Expressions
//
// Some expressions have a BinaryenOp, which is the more
// specific operation/opcode.
//
// Some expressions have optional parameters, like Return may not
// return a value. You can supply a NULL pointer in those cases.
//
// For more information, see wasm.h

typedef int32_t BinaryenOp;

BINARYEN_API BinaryenOp BinaryenClzInt32(void);
BINARYEN_API BinaryenOp BinaryenCtzInt32(void);
BINARYEN_API BinaryenOp BinaryenPopcntInt32(void);
BINARYEN_API BinaryenOp BinaryenNegFloat32(void);
BINARYEN_API BinaryenOp BinaryenAbsFloat32(void);
BINARYEN_API BinaryenOp BinaryenCeilFloat32(void);
BINARYEN_API BinaryenOp BinaryenFloorFloat32(void);
BINARYEN_API BinaryenOp BinaryenTruncFloat32(void);
BINARYEN_API BinaryenOp BinaryenNearestFloat32(void);
BINARYEN_API BinaryenOp BinaryenSqrtFloat32(void);
BINARYEN_API BinaryenOp BinaryenEqZInt32(void);
BINARYEN_API BinaryenOp BinaryenClzInt64(void);
BINARYEN_API BinaryenOp BinaryenCtzInt64(void);
BINARYEN_API BinaryenOp BinaryenPopcntInt64(void);
BINARYEN_API BinaryenOp BinaryenNegFloat64(void);
BINARYEN_API BinaryenOp BinaryenAbsFloat64(void);
BINARYEN_API BinaryenOp BinaryenCeilFloat64(void);
BINARYEN_API BinaryenOp BinaryenFloorFloat64(void);
BINARYEN_API BinaryenOp BinaryenTruncFloat64(void);
BINARYEN_API BinaryenOp BinaryenNearestFloat64(void);
BINARYEN_API BinaryenOp BinaryenSqrtFloat64(void);
BINARYEN_API BinaryenOp BinaryenEqZInt64(void);
BINARYEN_API BinaryenOp BinaryenExtendSInt32(void);
BINARYEN_API BinaryenOp BinaryenExtendUInt32(void);
BINARYEN_API BinaryenOp BinaryenWrapInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncSFloat32ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSFloat32ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncUFloat32ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncUFloat32ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncSFloat64ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSFloat64ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncUFloat64ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncUFloat64ToInt64(void);
BINARYEN_API BinaryenOp BinaryenReinterpretFloat32(void);
BINARYEN_API BinaryenOp BinaryenReinterpretFloat64(void);
BINARYEN_API BinaryenOp BinaryenConvertSInt32ToFloat32(void);
BINARYEN_API BinaryenOp BinaryenConvertSInt32ToFloat64(void);
BINARYEN_API BinaryenOp BinaryenConvertUInt32ToFloat32(void);
BINARYEN_API BinaryenOp BinaryenConvertUInt32ToFloat64(void);
BINARYEN_API BinaryenOp BinaryenConvertSInt64ToFloat32(void);
BINARYEN_API BinaryenOp BinaryenConvertSInt64ToFloat64(void);
BINARYEN_API BinaryenOp BinaryenConvertUInt64ToFloat32(void);
BINARYEN_API BinaryenOp BinaryenConvertUInt64ToFloat64(void);
BINARYEN_API BinaryenOp BinaryenPromoteFloat32(void);
BINARYEN_API BinaryenOp BinaryenDemoteFloat64(void);
BINARYEN_API BinaryenOp BinaryenReinterpretInt32(void);
BINARYEN_API BinaryenOp BinaryenReinterpretInt64(void);
BINARYEN_API BinaryenOp BinaryenExtendS8Int32(void);
BINARYEN_API BinaryenOp BinaryenExtendS16Int32(void);
BINARYEN_API BinaryenOp BinaryenExtendS8Int64(void);
BINARYEN_API BinaryenOp BinaryenExtendS16Int64(void);
BINARYEN_API BinaryenOp BinaryenExtendS32Int64(void);
BINARYEN_API BinaryenOp BinaryenAddInt32(void);
BINARYEN_API BinaryenOp BinaryenSubInt32(void);
BINARYEN_API BinaryenOp BinaryenMulInt32(void);
BINARYEN_API BinaryenOp BinaryenDivSInt32(void);
BINARYEN_API BinaryenOp BinaryenDivUInt32(void);
BINARYEN_API BinaryenOp BinaryenRemSInt32(void);
BINARYEN_API BinaryenOp BinaryenRemUInt32(void);
BINARYEN_API BinaryenOp BinaryenAndInt32(void);
BINARYEN_API BinaryenOp BinaryenOrInt32(void);
BINARYEN_API BinaryenOp BinaryenXorInt32(void);
BINARYEN_API BinaryenOp BinaryenShlInt32(void);
BINARYEN_API BinaryenOp BinaryenShrUInt32(void);
BINARYEN_API BinaryenOp BinaryenShrSInt32(void);
BINARYEN_API BinaryenOp BinaryenRotLInt32(void);
BINARYEN_API BinaryenOp BinaryenRotRInt32(void);
BINARYEN_API BinaryenOp BinaryenEqInt32(void);
BINARYEN_API BinaryenOp BinaryenNeInt32(void);
BINARYEN_API BinaryenOp BinaryenLtSInt32(void);
BINARYEN_API BinaryenOp BinaryenLtUInt32(void);
BINARYEN_API BinaryenOp BinaryenLeSInt32(void);
BINARYEN_API BinaryenOp BinaryenLeUInt32(void);
BINARYEN_API BinaryenOp BinaryenGtSInt32(void);
BINARYEN_API BinaryenOp BinaryenGtUInt32(void);
BINARYEN_API BinaryenOp BinaryenGeSInt32(void);
BINARYEN_API BinaryenOp BinaryenGeUInt32(void);
BINARYEN_API BinaryenOp BinaryenAddInt64(void);
BINARYEN_API BinaryenOp BinaryenSubInt64(void);
BINARYEN_API BinaryenOp BinaryenMulInt64(void);
BINARYEN_API BinaryenOp BinaryenDivSInt64(void);
BINARYEN_API BinaryenOp BinaryenDivUInt64(void);
BINARYEN_API BinaryenOp BinaryenRemSInt64(void);
BINARYEN_API BinaryenOp BinaryenRemUInt64(void);
BINARYEN_API BinaryenOp BinaryenAndInt64(void);
BINARYEN_API BinaryenOp BinaryenOrInt64(void);
BINARYEN_API BinaryenOp BinaryenXorInt64(void);
BINARYEN_API BinaryenOp BinaryenShlInt64(void);
BINARYEN_API BinaryenOp BinaryenShrUInt64(void);
BINARYEN_API BinaryenOp BinaryenShrSInt64(void);
BINARYEN_API BinaryenOp BinaryenRotLInt64(void);
BINARYEN_API BinaryenOp BinaryenRotRInt64(void);
BINARYEN_API BinaryenOp BinaryenEqInt64(void);
BINARYEN_API BinaryenOp BinaryenNeInt64(void);
BINARYEN_API BinaryenOp BinaryenLtSInt64(void);
BINARYEN_API BinaryenOp BinaryenLtUInt64(void);
BINARYEN_API BinaryenOp BinaryenLeSInt64(void);
BINARYEN_API BinaryenOp BinaryenLeUInt64(void);
BINARYEN_API BinaryenOp BinaryenGtSInt64(void);
BINARYEN_API BinaryenOp BinaryenGtUInt64(void);
BINARYEN_API BinaryenOp BinaryenGeSInt64(void);
BINARYEN_API BinaryenOp BinaryenGeUInt64(void);
BINARYEN_API BinaryenOp BinaryenAddFloat32(void);
BINARYEN_API BinaryenOp BinaryenSubFloat32(void);
BINARYEN_API BinaryenOp BinaryenMulFloat32(void);
BINARYEN_API BinaryenOp BinaryenDivFloat32(void);
BINARYEN_API BinaryenOp BinaryenCopySignFloat32(void);
BINARYEN_API BinaryenOp BinaryenMinFloat32(void);
BINARYEN_API BinaryenOp BinaryenMaxFloat32(void);
BINARYEN_API BinaryenOp BinaryenEqFloat32(void);
BINARYEN_API BinaryenOp BinaryenNeFloat32(void);
BINARYEN_API BinaryenOp BinaryenLtFloat32(void);
BINARYEN_API BinaryenOp BinaryenLeFloat32(void);
BINARYEN_API BinaryenOp BinaryenGtFloat32(void);
BINARYEN_API BinaryenOp BinaryenGeFloat32(void);
BINARYEN_API BinaryenOp BinaryenAddFloat64(void);
BINARYEN_API BinaryenOp BinaryenSubFloat64(void);
BINARYEN_API BinaryenOp BinaryenMulFloat64(void);
BINARYEN_API BinaryenOp BinaryenDivFloat64(void);
BINARYEN_API BinaryenOp BinaryenCopySignFloat64(void);
BINARYEN_API BinaryenOp BinaryenMinFloat64(void);
BINARYEN_API BinaryenOp BinaryenMaxFloat64(void);
BINARYEN_API BinaryenOp BinaryenEqFloat64(void);
BINARYEN_API BinaryenOp BinaryenNeFloat64(void);
BINARYEN_API BinaryenOp BinaryenLtFloat64(void);
BINARYEN_API BinaryenOp BinaryenLeFloat64(void);
BINARYEN_API BinaryenOp BinaryenGtFloat64(void);
BINARYEN_API BinaryenOp BinaryenGeFloat64(void);
BINARYEN_API BinaryenOp BinaryenAddInt128(void);
BINARYEN_API BinaryenOp BinaryenSubInt128(void);
BINARYEN_API BinaryenOp BinaryenMulWideSInt64(void);
BINARYEN_API BinaryenOp BinaryenMulWideUInt64(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWAdd(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWSub(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWAnd(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWOr(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWXor(void);
BINARYEN_API BinaryenOp BinaryenAtomicRMWXchg(void);
BINARYEN_API BinaryenOp BinaryenTruncSatSFloat32ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSatSFloat32ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncSatUFloat32ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSatUFloat32ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncSatSFloat64ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSatSFloat64ToInt64(void);
BINARYEN_API BinaryenOp BinaryenTruncSatUFloat64ToInt32(void);
BINARYEN_API BinaryenOp BinaryenTruncSatUFloat64ToInt64(void);
BINARYEN_API BinaryenOp BinaryenSplatVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenSplatVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenSplatVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenSplatVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenSplatVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenSplatVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenExtractLaneVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenReplaceLaneVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenEqVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenNeVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenLtSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenLtUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenGtSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenGtUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenLeSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenLeUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenGeSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenGeUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenEqVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenNeVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenLtSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenLtUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenGtSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenGtUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenLeSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenLeUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenGeSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenGeUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenEqVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenNeVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenLtSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenLtUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenGtSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenGtUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenLeSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenLeUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenGeSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenGeUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenEqVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenNeVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenLtSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenGtSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenLeSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenGeSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenEqVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenNeVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenLtVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenGtVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenLeVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenGeVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenEqVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenNeVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenLtVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenGtVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenLeVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenGeVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenNotVec128(void);
BINARYEN_API BinaryenOp BinaryenAndVec128(void);
BINARYEN_API BinaryenOp BinaryenOrVec128(void);
BINARYEN_API BinaryenOp BinaryenXorVec128(void);
BINARYEN_API BinaryenOp BinaryenAndNotVec128(void);
BINARYEN_API BinaryenOp BinaryenBitselectVec128(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMaddVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedNmaddVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMaddVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenRelaxedNmaddVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenRelaxedLaneselectI8x16(void);
BINARYEN_API BinaryenOp BinaryenRelaxedLaneselectI16x8(void);
BINARYEN_API BinaryenOp BinaryenRelaxedLaneselectI32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedLaneselectI64x2(void);
BINARYEN_API BinaryenOp BinaryenRelaxedDotI8x16I7x16AddSToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenAnyTrueVec128(void);
BINARYEN_API BinaryenOp BinaryenPopcntVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAbsVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenNegVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAllTrueVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenBitmaskVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenShlVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenShrSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenShrUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAddVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAddSatSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAddSatUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenSubVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenSubSatSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenSubSatUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenMinSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenMinUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenMaxSVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenMaxUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAvgrUVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenAbsVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenNegVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAllTrueVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenBitmaskVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenShlVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenShrSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenShrUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAddVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAddSatSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAddSatUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenSubVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenSubSatSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenSubSatUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenMulVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenMinSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenMinUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenMaxSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenMaxUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAvgrUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenQ15MulrSatSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighUVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenAbsVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenNegVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenAllTrueVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenBitmaskVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenShlVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenShrSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenShrUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenAddVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenSubVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenMulVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenMinSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenMinUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenMaxSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenMaxUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenDotSVecI16x8ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighSVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighUVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenAbsVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenNegVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenAllTrueVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenBitmaskVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenShlVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenShrSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenShrUVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenAddVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenSubVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenMulVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighSVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtMulLowUVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtMulHighUVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenAbsVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenNegVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenSqrtVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenAddVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenSubVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenMulVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenDivVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenMinVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenMaxVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenPMinVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenPMaxVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenCeilVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenFloorVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenTruncVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenNearestVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenAbsVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenNegVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenSqrtVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenAddVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenSubVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenMulVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenDivVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenMinVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenMaxVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenPMinVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenPMaxVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenCeilVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenFloorVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenTruncVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenNearestVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenExtAddPairwiseSVecI8x16ToI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtAddPairwiseUVecI8x16ToI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtAddPairwiseSVecI16x8ToI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtAddPairwiseUVecI16x8ToI32x4(void);
BINARYEN_API BinaryenOp BinaryenTruncSatSVecF32x4ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenTruncSatUVecF32x4ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenConvertSVecI32x4ToVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenConvertUVecI32x4ToVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenLoad8SplatVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad16SplatVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad32SplatVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad64SplatVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad8x8SVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad8x8UVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad16x4SVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad16x4UVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad32x2SVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad32x2UVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad32ZeroVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad64ZeroVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad8LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad16LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad32LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenLoad64LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenStore8LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenStore16LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenStore32LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenStore64LaneVec128(void);
BINARYEN_API BinaryenOp BinaryenNarrowSVecI16x8ToVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenNarrowUVecI16x8ToVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenNarrowSVecI32x4ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenNarrowUVecI32x4ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtendLowSVecI8x16ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtendHighSVecI8x16ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtendLowUVecI8x16ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtendHighUVecI8x16ToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenExtendLowSVecI16x8ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtendHighSVecI16x8ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtendLowUVecI16x8ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtendHighUVecI16x8ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenExtendLowSVecI32x4ToVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtendHighSVecI32x4ToVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtendLowUVecI32x4ToVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenExtendHighUVecI32x4ToVecI64x2(void);
BINARYEN_API BinaryenOp BinaryenConvertLowSVecI32x4ToVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenConvertLowUVecI32x4ToVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenTruncSatZeroSVecF64x2ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenTruncSatZeroUVecF64x2ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenDemoteZeroVecF64x2ToVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenPromoteLowVecF32x4ToVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenPromoteLowVecF16x8ToVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedTruncSVecF32x4ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedTruncUVecF32x4ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedTruncZeroSVecF64x2ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedTruncZeroUVecF64x2ToVecI32x4(void);
BINARYEN_API BinaryenOp BinaryenSwizzleVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenRelaxedSwizzleVecI8x16(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMinVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMaxVecF32x4(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMinVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenRelaxedMaxVecF64x2(void);
BINARYEN_API BinaryenOp BinaryenRelaxedQ15MulrSVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenRelaxedDotI8x16I7x16SToVecI16x8(void);
BINARYEN_API BinaryenOp BinaryenRefAsNonNull(void);
BINARYEN_API BinaryenOp BinaryenRefAsExternInternalize(void);
BINARYEN_API BinaryenOp BinaryenRefAsExternExternalize(void);
BINARYEN_API BinaryenOp BinaryenRefAsAnyConvertExtern(void);
BINARYEN_API BinaryenOp BinaryenRefAsExternConvertAny(void);
BINARYEN_API BinaryenOp BinaryenBrOnNull(void);
BINARYEN_API BinaryenOp BinaryenBrOnNonNull(void);
BINARYEN_API BinaryenOp BinaryenBrOnCast(void);
BINARYEN_API BinaryenOp BinaryenBrOnCastFail(void);
BINARYEN_API BinaryenOp BinaryenStringNewLossyUTF8Array(void);
BINARYEN_API BinaryenOp BinaryenStringNewWTF16Array(void);
BINARYEN_API BinaryenOp BinaryenStringNewFromCodePoint(void);
BINARYEN_API BinaryenOp BinaryenStringMeasureUTF8(void);
BINARYEN_API BinaryenOp BinaryenStringMeasureWTF16(void);
BINARYEN_API BinaryenOp BinaryenStringEncodeLossyUTF8Array(void);
BINARYEN_API BinaryenOp BinaryenStringEncodeWTF16Array(void);
BINARYEN_API BinaryenOp BinaryenStringEqEqual(void);
BINARYEN_API BinaryenOp BinaryenStringEqCompare(void);

BINARYEN_REF(Expression);

// Block: name can be NULL. Specifying BinaryenUndefined() as the 'type'
//        parameter indicates that the block's type shall be figured out
//        automatically instead of explicitly providing it. This conforms
//        to the behavior before the 'type' parameter has been introduced.
BINARYEN_API BinaryenExpressionRef
BinaryenBlock(BinaryenModuleRef module,
              const char* name,
              BinaryenExpressionRef* children,
              BinaryenIndex numChildren,
              BinaryenType type);
// If: ifFalse can be NULL
BINARYEN_API BinaryenExpressionRef BinaryenIf(BinaryenModuleRef module,
                                              BinaryenExpressionRef condition,
                                              BinaryenExpressionRef ifTrue,
                                              BinaryenExpressionRef ifFalse);
BINARYEN_API BinaryenExpressionRef BinaryenLoop(BinaryenModuleRef module,
                                                const char* in,
                                                BinaryenExpressionRef body);
// Break: value and condition can be NULL
BINARYEN_API BinaryenExpressionRef
BinaryenBreak(BinaryenModuleRef module,
              const char* name,
              BinaryenExpressionRef condition,
              BinaryenExpressionRef value);
// Switch: value can be NULL
BINARYEN_API BinaryenExpressionRef
BinaryenSwitch(BinaryenModuleRef module,
               const char** names,
               BinaryenIndex numNames,
               const char* defaultName,
               BinaryenExpressionRef condition,
               BinaryenExpressionRef value);
// Call: Note the 'returnType' parameter. You must declare the
//       type returned by the function being called, as that
//       function might not have been created yet, so we don't
//       know what it is.
BINARYEN_API BinaryenExpressionRef BinaryenCall(BinaryenModuleRef module,
                                                const char* target,
                                                BinaryenExpressionRef* operands,
                                                BinaryenIndex numOperands,
                                                BinaryenType returnType);
BINARYEN_API BinaryenExpressionRef
BinaryenCallIndirect(BinaryenModuleRef module,
                     const char* table,
                     BinaryenExpressionRef target,
                     BinaryenExpressionRef* operands,
                     BinaryenIndex numOperands,
                     BinaryenType params,
                     BinaryenType results);
BINARYEN_API BinaryenExpressionRef
BinaryenReturnCall(BinaryenModuleRef module,
                   const char* target,
                   BinaryenExpressionRef* operands,
                   BinaryenIndex numOperands,
                   BinaryenType returnType);
BINARYEN_API BinaryenExpressionRef
BinaryenReturnCallIndirect(BinaryenModuleRef module,
                           const char* table,
                           BinaryenExpressionRef target,
                           BinaryenExpressionRef* operands,
                           BinaryenIndex numOperands,
                           BinaryenType params,
                           BinaryenType results);

// LocalGet: Note the 'type' parameter. It might seem redundant, since the
//           local at that index must have a type. However, this API lets you
//           build code "top-down": create a node, then its parents, and so
//           on, and finally create the function at the end. (Note that in fact
//           you do not mention a function when creating ExpressionRefs, only
//           a module.) And since LocalGet is a leaf node, we need to be told
//           its type. (Other nodes detect their type either from their
//           type or their opcode, or failing that, their children. But
//           LocalGet has no children, it is where a "stream" of type info
//           begins.)
//           Note also that the index of a local can refer to a param or
//           a var, that is, either a parameter to the function or a variable
//           declared when you call BinaryenAddFunction. See BinaryenAddFunction
//           for more details.
BINARYEN_API BinaryenExpressionRef BinaryenLocalGet(BinaryenModuleRef module,
                                                    BinaryenIndex index,
                                                    BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenLocalSet(
  BinaryenModuleRef module, BinaryenIndex index, BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenLocalTee(BinaryenModuleRef module,
                                                    BinaryenIndex index,
                                                    BinaryenExpressionRef value,
                                                    BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenGlobalGet(BinaryenModuleRef module,
                                                     const char* name,
                                                     BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenGlobalSet(
  BinaryenModuleRef module, const char* name, BinaryenExpressionRef value);
// Load: align can be 0, in which case it will be the natural alignment (equal
// to bytes)
BINARYEN_API BinaryenExpressionRef BinaryenLoad(BinaryenModuleRef module,
                                                uint32_t bytes,
                                                bool signed_,
                                                uint32_t offset,
                                                uint32_t align,
                                                BinaryenType type,
                                                BinaryenExpressionRef ptr,
                                                const char* memoryName);
// Store: align can be 0, in which case it will be the natural alignment (equal
// to bytes)
BINARYEN_API BinaryenExpressionRef BinaryenStore(BinaryenModuleRef module,
                                                 uint32_t bytes,
                                                 uint32_t offset,
                                                 uint32_t align,
                                                 BinaryenExpressionRef ptr,
                                                 BinaryenExpressionRef value,
                                                 BinaryenType type,
                                                 const char* memoryName);
BINARYEN_API BinaryenExpressionRef BinaryenConst(BinaryenModuleRef module,
                                                 struct BinaryenLiteral value);
BINARYEN_API BinaryenExpressionRef BinaryenUnary(BinaryenModuleRef module,
                                                 BinaryenOp op,
                                                 BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenBinary(BinaryenModuleRef module,
                                                  BinaryenOp op,
                                                  BinaryenExpressionRef left,
                                                  BinaryenExpressionRef right);
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntAddSub(BinaryenModuleRef module,
                      BinaryenOp op,
                      BinaryenExpressionRef leftLow,
                      BinaryenExpressionRef leftHigh,
                      BinaryenExpressionRef rightLow,
                      BinaryenExpressionRef rightHigh);
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntMul(BinaryenModuleRef module,
                   BinaryenOp op,
                   BinaryenExpressionRef left,
                   BinaryenExpressionRef right);
BINARYEN_API BinaryenExpressionRef
BinaryenSelect(BinaryenModuleRef module,
               BinaryenExpressionRef condition,
               BinaryenExpressionRef ifTrue,
               BinaryenExpressionRef ifFalse);
BINARYEN_API BinaryenExpressionRef BinaryenDrop(BinaryenModuleRef module,
                                                BinaryenExpressionRef value);
// Return: value can be NULL
BINARYEN_API BinaryenExpressionRef BinaryenReturn(BinaryenModuleRef module,
                                                  BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenMemorySize(BinaryenModuleRef module,
                                                      const char* memoryName,
                                                      bool memoryIs64);
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryGrow(BinaryenModuleRef module,
                   BinaryenExpressionRef delta,
                   const char* memoryName,
                   bool memoryIs64);
BINARYEN_API BinaryenExpressionRef BinaryenNop(BinaryenModuleRef module);
BINARYEN_API BinaryenExpressionRef
BinaryenUnreachable(BinaryenModuleRef module);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicLoad(BinaryenModuleRef module,
                   uint32_t bytes,
                   uint32_t offset,
                   BinaryenType type,
                   BinaryenExpressionRef ptr,
                   const char* memoryName,
                   BinaryenMemoryOrder order);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicStore(BinaryenModuleRef module,
                    uint32_t bytes,
                    uint32_t offset,
                    BinaryenExpressionRef ptr,
                    BinaryenExpressionRef value,
                    BinaryenType type,
                    const char* memoryName,
                    BinaryenMemoryOrder order);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicRMW(BinaryenModuleRef module,
                  BinaryenOp op,
                  BinaryenIndex bytes,
                  BinaryenIndex offset,
                  BinaryenExpressionRef ptr,
                  BinaryenExpressionRef value,
                  BinaryenType type,
                  const char* memoryName,
                  BinaryenMemoryOrder order);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicCmpxchg(BinaryenModuleRef module,
                      BinaryenIndex bytes,
                      BinaryenIndex offset,
                      BinaryenExpressionRef ptr,
                      BinaryenExpressionRef expected,
                      BinaryenExpressionRef replacement,
                      BinaryenType type,
                      const char* memoryName,
                      BinaryenMemoryOrder order);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicWait(BinaryenModuleRef module,
                   BinaryenExpressionRef ptr,
                   BinaryenExpressionRef expected,
                   BinaryenExpressionRef timeout,
                   BinaryenType type,
                   const char* memoryName);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicNotify(BinaryenModuleRef module,
                     BinaryenExpressionRef ptr,
                     BinaryenExpressionRef notifyCount,
                     const char* memoryName);
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicFence(BinaryenModuleRef module, BinaryenMemoryOrder order);
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDExtract(BinaryenModuleRef module,
                    BinaryenOp op,
                    BinaryenExpressionRef vec,
                    uint8_t index);
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDReplace(BinaryenModuleRef module,
                    BinaryenOp op,
                    BinaryenExpressionRef vec,
                    uint8_t index,
                    BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShuffle(BinaryenModuleRef module,
                    BinaryenExpressionRef left,
                    BinaryenExpressionRef right,
                    const uint8_t mask[16]);
BINARYEN_API BinaryenExpressionRef BinaryenSIMDTernary(BinaryenModuleRef module,
                                                       BinaryenOp op,
                                                       BinaryenExpressionRef a,
                                                       BinaryenExpressionRef b,
                                                       BinaryenExpressionRef c);
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShift(BinaryenModuleRef module,
                  BinaryenOp op,
                  BinaryenExpressionRef vec,
                  BinaryenExpressionRef shift);
BINARYEN_API BinaryenExpressionRef BinaryenSIMDLoad(BinaryenModuleRef module,
                                                    BinaryenOp op,
                                                    uint32_t offset,
                                                    uint32_t align,
                                                    BinaryenExpressionRef ptr,
                                                    const char* name);
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDLoadStoreLane(BinaryenModuleRef module,
                          BinaryenOp op,
                          uint32_t offset,
                          uint32_t align,
                          uint8_t index,
                          BinaryenExpressionRef ptr,
                          BinaryenExpressionRef vec,
                          const char* memoryName);
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryInit(BinaryenModuleRef module,
                   const char* segment,
                   BinaryenExpressionRef dest,
                   BinaryenExpressionRef offset,
                   BinaryenExpressionRef size,
                   const char* memoryName);
BINARYEN_API BinaryenExpressionRef BinaryenDataDrop(BinaryenModuleRef module,
                                                    const char* segment);
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryCopy(BinaryenModuleRef module,
                   BinaryenExpressionRef dest,
                   BinaryenExpressionRef source,
                   BinaryenExpressionRef size,
                   const char* destMemory,
                   const char* sourceMemory);
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryFill(BinaryenModuleRef module,
                   BinaryenExpressionRef dest,
                   BinaryenExpressionRef value,
                   BinaryenExpressionRef size,
                   const char* memoryName);
BINARYEN_API BinaryenExpressionRef BinaryenRefNull(BinaryenModuleRef module,
                                                   BinaryenType type);
BINARYEN_API BinaryenExpressionRef
BinaryenRefIsNull(BinaryenModuleRef module, BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenRefAs(BinaryenModuleRef module,
                                                 BinaryenOp op,
                                                 BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenRefFunc(BinaryenModuleRef module,
                                                   const char* func,
                                                   BinaryenHeapType type);
BINARYEN_API BinaryenExpressionRef BinaryenRefEq(BinaryenModuleRef module,
                                                 BinaryenExpressionRef left,
                                                 BinaryenExpressionRef right);
BINARYEN_API BinaryenExpressionRef BinaryenTableGet(BinaryenModuleRef module,
                                                    const char* name,
                                                    BinaryenExpressionRef index,
                                                    BinaryenType type);
BINARYEN_API BinaryenExpressionRef
BinaryenTableSet(BinaryenModuleRef module,
                 const char* name,
                 BinaryenExpressionRef index,
                 BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenTableSize(BinaryenModuleRef module,
                                                     const char* name);
BINARYEN_API BinaryenExpressionRef
BinaryenTableGrow(BinaryenModuleRef module,
                  const char* name,
                  BinaryenExpressionRef value,
                  BinaryenExpressionRef delta);
// Try: name can be NULL. delegateTarget should be NULL in try-catch.
BINARYEN_API BinaryenExpressionRef
BinaryenTry(BinaryenModuleRef module,
            const char* name,
            BinaryenExpressionRef body,
            const char** catchTags,
            BinaryenIndex numCatchTags,
            BinaryenExpressionRef* catchBodies,
            BinaryenIndex numCatchBodies,
            const char* delegateTarget);
BINARYEN_API BinaryenExpressionRef
BinaryenThrow(BinaryenModuleRef module,
              const char* tag,
              BinaryenExpressionRef* operands,
              BinaryenIndex numOperands);
BINARYEN_API BinaryenExpressionRef BinaryenRethrow(BinaryenModuleRef module,
                                                   const char* target);
BINARYEN_API BinaryenExpressionRef
BinaryenTupleMake(BinaryenModuleRef module,
                  BinaryenExpressionRef* operands,
                  BinaryenIndex numOperands);
BINARYEN_API BinaryenExpressionRef BinaryenTupleExtract(
  BinaryenModuleRef module, BinaryenExpressionRef tuple, BinaryenIndex index);
BINARYEN_API BinaryenExpressionRef BinaryenPop(BinaryenModuleRef module,
                                               BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenRefI31(BinaryenModuleRef module,
                                                  BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenI31Get(BinaryenModuleRef module,
                                                  BinaryenExpressionRef i31,
                                                  bool signed_);
BINARYEN_API BinaryenExpressionRef
BinaryenCallRef(BinaryenModuleRef module,
                BinaryenExpressionRef target,
                BinaryenExpressionRef* operands,
                BinaryenIndex numOperands,
                BinaryenType type);
BINARYEN_API BinaryenExpressionRef
BinaryenReturnCallRef(BinaryenModuleRef module,
                      BinaryenExpressionRef target,
                      BinaryenExpressionRef* operands,
                      BinaryenIndex numOperands,
                      BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenRefTest(BinaryenModuleRef module,
                                                   BinaryenExpressionRef ref,
                                                   BinaryenType castType);
BINARYEN_API BinaryenExpressionRef BinaryenRefCast(BinaryenModuleRef module,
                                                   BinaryenExpressionRef ref,
                                                   BinaryenType type);
BINARYEN_API BinaryenExpressionRef BinaryenBrOn(BinaryenModuleRef module,
                                                BinaryenOp op,
                                                const char* name,
                                                BinaryenExpressionRef ref,
                                                BinaryenType castType);
// Passing in null for |operands| (and 0 for |numOperands|) implies this is
// struct.new_default.
BINARYEN_API BinaryenExpressionRef
BinaryenStructNew(BinaryenModuleRef module,
                  BinaryenExpressionRef* operands,
                  BinaryenIndex numOperands,
                  BinaryenHeapType type);
BINARYEN_API BinaryenExpressionRef BinaryenStructGet(BinaryenModuleRef module,
                                                     BinaryenIndex index,
                                                     BinaryenExpressionRef ref,
                                                     BinaryenType type,
                                                     bool signed_);
BINARYEN_API BinaryenExpressionRef
BinaryenStructSet(BinaryenModuleRef module,
                  BinaryenIndex index,
                  BinaryenExpressionRef ref,
                  BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenArrayNew(BinaryenModuleRef module,
                                                    BinaryenHeapType type,
                                                    BinaryenExpressionRef size,
                                                    BinaryenExpressionRef init);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewData(BinaryenModuleRef module,
                     BinaryenHeapType type,
                     const char* name,
                     BinaryenExpressionRef offset,
                     BinaryenExpressionRef size);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewElem(BinaryenModuleRef module,
                     BinaryenHeapType type,
                     const char* seg,
                     BinaryenExpressionRef offset,
                     BinaryenExpressionRef size);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewFixed(BinaryenModuleRef module,
                      BinaryenHeapType type,
                      BinaryenExpressionRef* values,
                      BinaryenIndex numValues);
BINARYEN_API BinaryenExpressionRef BinaryenArrayGet(BinaryenModuleRef module,
                                                    BinaryenExpressionRef ref,
                                                    BinaryenExpressionRef index,
                                                    BinaryenType type,
                                                    bool signed_);
BINARYEN_API BinaryenExpressionRef
BinaryenArraySet(BinaryenModuleRef module,
                 BinaryenExpressionRef ref,
                 BinaryenExpressionRef index,
                 BinaryenExpressionRef value);
BINARYEN_API BinaryenExpressionRef BinaryenArrayLen(BinaryenModuleRef module,
                                                    BinaryenExpressionRef ref);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopy(BinaryenModuleRef module,
                  BinaryenExpressionRef destRef,
                  BinaryenExpressionRef destIndex,
                  BinaryenExpressionRef srcRef,
                  BinaryenExpressionRef srcIndex,
                  BinaryenExpressionRef length);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayFill(BinaryenModuleRef module,
                  BinaryenExpressionRef ref,
                  BinaryenExpressionRef index,
                  BinaryenExpressionRef value,
                  BinaryenExpressionRef size);
BINARYEN_API BinaryenExpressionRef
BinaryenStringNew(BinaryenModuleRef module,
                  BinaryenOp op,
                  BinaryenExpressionRef ref,
                  BinaryenExpressionRef start,
                  BinaryenExpressionRef end);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitData(BinaryenModuleRef module,
                      const char* name,
                      BinaryenExpressionRef ref,
                      BinaryenExpressionRef index,
                      BinaryenExpressionRef offset,
                      BinaryenExpressionRef size);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitElem(BinaryenModuleRef module,
                      const char* seg,
                      BinaryenExpressionRef ref,
                      BinaryenExpressionRef index,
                      BinaryenExpressionRef offset,
                      BinaryenExpressionRef size);
BINARYEN_API BinaryenExpressionRef BinaryenStringConst(BinaryenModuleRef module,
                                                       const char* name);
BINARYEN_API BinaryenExpressionRef BinaryenStringMeasure(
  BinaryenModuleRef module, BinaryenOp op, BinaryenExpressionRef ref);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEncode(BinaryenModuleRef module,
                     BinaryenOp op,
                     BinaryenExpressionRef ref,
                     BinaryenExpressionRef ptr,
                     BinaryenExpressionRef start);
BINARYEN_API BinaryenExpressionRef
BinaryenStringConcat(BinaryenModuleRef module,
                     BinaryenExpressionRef left,
                     BinaryenExpressionRef right);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEq(BinaryenModuleRef module,
                 BinaryenOp op,
                 BinaryenExpressionRef left,
                 BinaryenExpressionRef right);
BINARYEN_API BinaryenExpressionRef
BinaryenStringWTF8Advance(BinaryenModuleRef module,
                          BinaryenExpressionRef ref,
                          BinaryenExpressionRef pos,
                          BinaryenExpressionRef bytes);
BINARYEN_API BinaryenExpressionRef
BinaryenStringWTF16Get(BinaryenModuleRef module,
                       BinaryenExpressionRef ref,
                       BinaryenExpressionRef pos);
BINARYEN_API BinaryenExpressionRef
BinaryenStringIterNext(BinaryenModuleRef module, BinaryenExpressionRef ref);
BINARYEN_API BinaryenExpressionRef
BinaryenStringIterMove(BinaryenModuleRef module,
                       BinaryenOp op,
                       BinaryenExpressionRef ref,
                       BinaryenExpressionRef num);
BINARYEN_API BinaryenExpressionRef
BinaryenStringSliceWTF(BinaryenModuleRef module,
                       BinaryenExpressionRef ref,
                       BinaryenExpressionRef start,
                       BinaryenExpressionRef end);
BINARYEN_API BinaryenExpressionRef
BinaryenStringSliceIter(BinaryenModuleRef module,
                        BinaryenExpressionRef ref,
                        BinaryenExpressionRef num);

// Expression

// Gets the id (kind) of the given expression.
BINARYEN_API BinaryenExpressionId
BinaryenExpressionGetId(BinaryenExpressionRef expr);
// Gets the type of the given expression.
BINARYEN_API BinaryenType BinaryenExpressionGetType(BinaryenExpressionRef expr);
// Sets the type of the given expression.
BINARYEN_API void BinaryenExpressionSetType(BinaryenExpressionRef expr,
                                            BinaryenType type);
// Prints text format of the given expression to stdout.
BINARYEN_API void BinaryenExpressionPrint(BinaryenExpressionRef expr);
// Re-finalizes an expression after it has been modified.
BINARYEN_API void BinaryenExpressionFinalize(BinaryenExpressionRef expr);
// Makes a deep copy of the given expression.
BINARYEN_API BinaryenExpressionRef
BinaryenExpressionCopy(BinaryenExpressionRef expr, BinaryenModuleRef module);
// Serialize an expression in s-expression form. Implicitly allocates the
// returned char* with malloc(), and expects the user to free() them manually
// once not needed anymore.
BINARYEN_API char*
BinaryenExpressionAllocateAndWriteText(BinaryenExpressionRef expr);

// Block

// Gets the name (label) of a `block` expression.
BINARYEN_API const char* BinaryenBlockGetName(BinaryenExpressionRef expr);
// Sets the name (label) of a `block` expression.
BINARYEN_API void BinaryenBlockSetName(BinaryenExpressionRef expr,
                                       const char* name);
// Gets the number of child expressions of a `block` expression.
BINARYEN_API BinaryenIndex
BinaryenBlockGetNumChildren(BinaryenExpressionRef expr);
// Gets the child expression at the specified index of a `block` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBlockGetChildAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Sets (replaces) the child expression at the specified index of a `block`
// expression.
BINARYEN_API void BinaryenBlockSetChildAt(BinaryenExpressionRef expr,
                                          BinaryenIndex index,
                                          BinaryenExpressionRef childExpr);
// Appends a child expression to a `block` expression, returning its insertion
// index.
BINARYEN_API BinaryenIndex BinaryenBlockAppendChild(
  BinaryenExpressionRef expr, BinaryenExpressionRef childExpr);
// Inserts a child expression at the specified index of a `block` expression,
// moving existing children including the one previously at that index one index
// up.
BINARYEN_API void BinaryenBlockInsertChildAt(BinaryenExpressionRef expr,
                                             BinaryenIndex index,
                                             BinaryenExpressionRef childExpr);
// Removes the child expression at the specified index of a `block` expression,
// moving all subsequent children one index down. Returns the child expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBlockRemoveChildAt(BinaryenExpressionRef expr, BinaryenIndex index);

// If

// Gets the condition expression of an `if` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenIfGetCondition(BinaryenExpressionRef expr);
// Sets the condition expression of an `if` expression.
BINARYEN_API void BinaryenIfSetCondition(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef condExpr);
// Gets the ifTrue (then) expression of an `if` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenIfGetIfTrue(BinaryenExpressionRef expr);
// Sets the ifTrue (then) expression of an `if` expression.
BINARYEN_API void BinaryenIfSetIfTrue(BinaryenExpressionRef expr,
                                      BinaryenExpressionRef ifTrueExpr);
// Gets the ifFalse (else) expression, if any, of an `if` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenIfGetIfFalse(BinaryenExpressionRef expr);
// Sets the ifFalse (else) expression, if any, of an `if` expression.
BINARYEN_API void BinaryenIfSetIfFalse(BinaryenExpressionRef expr,
                                       BinaryenExpressionRef ifFalseExpr);

// Loop

// Gets the name (label) of a `loop` expression.
BINARYEN_API const char* BinaryenLoopGetName(BinaryenExpressionRef expr);
// Sets the name (label) of a `loop` expression.
BINARYEN_API void BinaryenLoopSetName(BinaryenExpressionRef expr,
                                      const char* name);
// Gets the body expression of a `loop` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenLoopGetBody(BinaryenExpressionRef expr);
// Sets the body expression of a `loop` expression.
BINARYEN_API void BinaryenLoopSetBody(BinaryenExpressionRef expr,
                                      BinaryenExpressionRef bodyExpr);

// Break

// Gets the name (target label) of a `br` or `br_if` expression.
BINARYEN_API const char* BinaryenBreakGetName(BinaryenExpressionRef expr);
// Sets the name (target label) of a `br` or `br_if` expression.
BINARYEN_API void BinaryenBreakSetName(BinaryenExpressionRef expr,
                                       const char* name);
// Gets the condition expression, if any, of a `br_if` expression. No condition
// indicates a `br` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBreakGetCondition(BinaryenExpressionRef expr);
// Sets the condition expression, if any, of a `br_if` expression. No condition
// makes it a `br` expression.
BINARYEN_API void BinaryenBreakSetCondition(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef condExpr);
// Gets the value expression, if any, of a `br` or `br_if` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBreakGetValue(BinaryenExpressionRef expr);
// Sets the value expression, if any, of a `br` or `br_if` expression.
BINARYEN_API void BinaryenBreakSetValue(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef valueExpr);

// Switch

// Gets the number of names (target labels) of a `br_table` expression.
BINARYEN_API BinaryenIndex
BinaryenSwitchGetNumNames(BinaryenExpressionRef expr);
// Gets the name (target label) at the specified index of a `br_table`
// expression.
BINARYEN_API const char* BinaryenSwitchGetNameAt(BinaryenExpressionRef expr,
                                                 BinaryenIndex index);
// Sets the name (target label) at the specified index of a `br_table`
// expression.
BINARYEN_API void BinaryenSwitchSetNameAt(BinaryenExpressionRef expr,
                                          BinaryenIndex index,
                                          const char* name);
// Appends a name to a `br_table` expression, returning its insertion index.
BINARYEN_API BinaryenIndex BinaryenSwitchAppendName(BinaryenExpressionRef expr,
                                                    const char* name);
// Inserts a name at the specified index of a `br_table` expression, moving
// existing names including the one previously at that index one index up.
BINARYEN_API void BinaryenSwitchInsertNameAt(BinaryenExpressionRef expr,
                                             BinaryenIndex index,
                                             const char* name);
// Removes the name at the specified index of a `br_table` expression, moving
// all subsequent names one index down. Returns the name.
BINARYEN_API const char* BinaryenSwitchRemoveNameAt(BinaryenExpressionRef expr,
                                                    BinaryenIndex index);
// Gets the default name (target label), if any, of a `br_table` expression.
BINARYEN_API const char*
BinaryenSwitchGetDefaultName(BinaryenExpressionRef expr);
// Sets the default name (target label), if any, of a `br_table` expression.
BINARYEN_API void BinaryenSwitchSetDefaultName(BinaryenExpressionRef expr,
                                               const char* name);
// Gets the condition expression of a `br_table` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSwitchGetCondition(BinaryenExpressionRef expr);
// Sets the condition expression of a `br_table` expression.
BINARYEN_API void BinaryenSwitchSetCondition(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef condExpr);
// Gets the value expression, if any, of a `br_table` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSwitchGetValue(BinaryenExpressionRef expr);
// Sets the value expression, if any, of a `br_table` expression.
BINARYEN_API void BinaryenSwitchSetValue(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef valueExpr);

// Call

// Gets the target function name of a `call` expression.
BINARYEN_API const char* BinaryenCallGetTarget(BinaryenExpressionRef expr);
// Sets the target function name of a `call` expression.
BINARYEN_API void BinaryenCallSetTarget(BinaryenExpressionRef expr,
                                        const char* target);
// Gets the number of operands of a `call` expression.
BINARYEN_API BinaryenIndex
BinaryenCallGetNumOperands(BinaryenExpressionRef expr);
// Gets the operand expression at the specified index of a `call` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenCallGetOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Sets the operand expression at the specified index of a `call` expression.
BINARYEN_API void BinaryenCallSetOperandAt(BinaryenExpressionRef expr,
                                           BinaryenIndex index,
                                           BinaryenExpressionRef operandExpr);
// Appends an operand expression to a `call` expression, returning its insertion
// index.
BINARYEN_API BinaryenIndex BinaryenCallAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
// Inserts an operand expression at the specified index of a `call` expression,
// moving existing operands including the one previously at that index one index
// up.
BINARYEN_API void
BinaryenCallInsertOperandAt(BinaryenExpressionRef expr,
                            BinaryenIndex index,
                            BinaryenExpressionRef operandExpr);
// Removes the operand expression at the specified index of a `call` expression,
// moving all subsequent operands one index down. Returns the operand
// expression.
BINARYEN_API BinaryenExpressionRef
BinaryenCallRemoveOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Gets whether the specified `call` expression is a tail call.
BINARYEN_API bool BinaryenCallIsReturn(BinaryenExpressionRef expr);
// Sets whether the specified `call` expression is a tail call.
BINARYEN_API void BinaryenCallSetReturn(BinaryenExpressionRef expr,
                                        bool isReturn);

// CallIndirect

// Gets the target expression of a `call_indirect` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenCallIndirectGetTarget(BinaryenExpressionRef expr);
// Sets the target expression of a `call_indirect` expression.
BINARYEN_API void
BinaryenCallIndirectSetTarget(BinaryenExpressionRef expr,
                              BinaryenExpressionRef targetExpr);
// Gets the table name of a `call_indirect` expression.
BINARYEN_API const char*
BinaryenCallIndirectGetTable(BinaryenExpressionRef expr);
// Sets the table name of a `call_indirect` expression.
BINARYEN_API void BinaryenCallIndirectSetTable(BinaryenExpressionRef expr,
                                               const char* table);
// Gets the number of operands of a `call_indirect` expression.
BINARYEN_API BinaryenIndex
BinaryenCallIndirectGetNumOperands(BinaryenExpressionRef expr);
// Gets the operand expression at the specified index of a `call_indirect`
// expression.
BINARYEN_API BinaryenExpressionRef BinaryenCallIndirectGetOperandAt(
  BinaryenExpressionRef expr, BinaryenIndex index);
// Sets the operand expression at the specified index of a `call_indirect`
// expression.
BINARYEN_API void
BinaryenCallIndirectSetOperandAt(BinaryenExpressionRef expr,
                                 BinaryenIndex index,
                                 BinaryenExpressionRef operandExpr);
// Appends an operand expression to a `call_indirect` expression, returning its
// insertion index.
BINARYEN_API BinaryenIndex BinaryenCallIndirectAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
// Inserts an operand expression at the specified index of a `call_indirect`
// expression, moving existing operands including the one previously at that
// index one index up.
BINARYEN_API void
BinaryenCallIndirectInsertOperandAt(BinaryenExpressionRef expr,
                                    BinaryenIndex index,
                                    BinaryenExpressionRef operandExpr);
// Removes the operand expression at the specified index of a `call_indirect`
// expression, moving all subsequent operands one index down. Returns the
// operand expression.
BINARYEN_API BinaryenExpressionRef BinaryenCallIndirectRemoveOperandAt(
  BinaryenExpressionRef expr, BinaryenIndex index);
// Gets whether the specified `call_indirect` expression is a tail call.
BINARYEN_API bool BinaryenCallIndirectIsReturn(BinaryenExpressionRef expr);
// Sets whether the specified `call_indirect` expression is a tail call.
BINARYEN_API void BinaryenCallIndirectSetReturn(BinaryenExpressionRef expr,
                                                bool isReturn);
// Gets the parameter types of the specified `call_indirect` expression.
BINARYEN_API BinaryenType
BinaryenCallIndirectGetParams(BinaryenExpressionRef expr);
// Sets the parameter types of the specified `call_indirect` expression.
BINARYEN_API void BinaryenCallIndirectSetParams(BinaryenExpressionRef expr,
                                                BinaryenType params);
// Gets the result types of the specified `call_indirect` expression.
BINARYEN_API BinaryenType
BinaryenCallIndirectGetResults(BinaryenExpressionRef expr);
// Sets the result types of the specified `call_indirect` expression.
BINARYEN_API void BinaryenCallIndirectSetResults(BinaryenExpressionRef expr,
                                                 BinaryenType params);

// LocalGet

// Gets the local index of a `local.get` expression.
BINARYEN_API BinaryenIndex BinaryenLocalGetGetIndex(BinaryenExpressionRef expr);
// Sets the local index of a `local.get` expression.
BINARYEN_API void BinaryenLocalGetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenIndex index);

// LocalSet

// Gets whether a `local.set` tees its value (is a `local.tee`). True if the
// expression has a type other than `none`.
BINARYEN_API bool BinaryenLocalSetIsTee(BinaryenExpressionRef expr);
// Gets the local index of a `local.set` or `local.tee` expression.
BINARYEN_API BinaryenIndex BinaryenLocalSetGetIndex(BinaryenExpressionRef expr);
// Sets the local index of a `local.set` or `local.tee` expression.
BINARYEN_API void BinaryenLocalSetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenIndex index);
// Gets the value expression of a `local.set` or `local.tee` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenLocalSetGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `local.set` or `local.tee` expression.
BINARYEN_API void BinaryenLocalSetSetValue(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef valueExpr);

// GlobalGet

// Gets the name of the global being accessed by a `global.get` expression.
BINARYEN_API const char* BinaryenGlobalGetGetName(BinaryenExpressionRef expr);
// Sets the name of the global being accessed by a `global.get` expression.
BINARYEN_API void BinaryenGlobalGetSetName(BinaryenExpressionRef expr,
                                           const char* name);

// GlobalSet

// Gets the name of the global being accessed by a `global.set` expression.
BINARYEN_API const char* BinaryenGlobalSetGetName(BinaryenExpressionRef expr);
// Sets the name of the global being accessed by a `global.set` expression.
BINARYEN_API void BinaryenGlobalSetSetName(BinaryenExpressionRef expr,
                                           const char* name);
// Gets the value expression of a `global.set` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenGlobalSetGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `global.set` expression.
BINARYEN_API void BinaryenGlobalSetSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);

// TableGet

// Gets the name of the table being accessed by a `table.get` expression.
BINARYEN_API const char* BinaryenTableGetGetTable(BinaryenExpressionRef expr);
// Sets the name of the table being accessed by a `table.get` expression.
BINARYEN_API void BinaryenTableGetSetTable(BinaryenExpressionRef expr,
                                           const char* table);
// Gets the index expression of a `table.get` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTableGetGetIndex(BinaryenExpressionRef expr);
// Sets the index expression of a `table.get` expression.
BINARYEN_API void BinaryenTableGetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef indexExpr);

// TableSet

// Gets the name of the table being accessed by a `table.set` expression.
BINARYEN_API const char* BinaryenTableSetGetTable(BinaryenExpressionRef expr);
// Sets the name of the table being accessed by a `table.set` expression.
BINARYEN_API void BinaryenTableSetSetTable(BinaryenExpressionRef expr,
                                           const char* table);
// Gets the index expression of a `table.set` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTableSetGetIndex(BinaryenExpressionRef expr);
// Sets the index expression of a `table.set` expression.
BINARYEN_API void BinaryenTableSetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef indexExpr);
// Gets the value expression of a `table.set` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTableSetGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `table.set` expression.
BINARYEN_API void BinaryenTableSetSetValue(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef valueExpr);

// TableSize

// Gets the name of the table being accessed by a `table.size` expression.
BINARYEN_API const char* BinaryenTableSizeGetTable(BinaryenExpressionRef expr);
// Sets the name of the table being accessed by a `table.size` expression.
BINARYEN_API void BinaryenTableSizeSetTable(BinaryenExpressionRef expr,
                                            const char* table);

// TableGrow

// Gets the name of the table being accessed by a `table.grow` expression.
BINARYEN_API const char* BinaryenTableGrowGetTable(BinaryenExpressionRef expr);
// Sets the name of the table being accessed by a `table.grow` expression.
BINARYEN_API void BinaryenTableGrowSetTable(BinaryenExpressionRef expr,
                                            const char* table);
// Gets the value expression of a `table.grow` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTableGrowGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `table.grow` expression.
BINARYEN_API void BinaryenTableGrowSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);
// Gets the delta of a `table.grow` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTableGrowGetDelta(BinaryenExpressionRef expr);
// Sets the delta of a `table.grow` expression.
BINARYEN_API void BinaryenTableGrowSetDelta(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef deltaExpr);
// MemoryGrow

// Gets the delta of a `memory.grow` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryGrowGetDelta(BinaryenExpressionRef expr);
// Sets the delta of a `memory.grow` expression.
BINARYEN_API void BinaryenMemoryGrowSetDelta(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef deltaExpr);

// Load

// Gets whether a `load` expression is atomic (is an `atomic.load`), i.e. has a
// memory order other than Unordered. See also `BinaryenLoadGetMemoryOrder`.
BINARYEN_API bool BinaryenLoadIsAtomic(BinaryenExpressionRef expr);
// Get the (atomic / non-atomic) memory order of a Load. See
// `BinaryenMemoryOrder`.
BINARYEN_API BinaryenMemoryOrder
BinaryenLoadGetMemoryOrder(BinaryenExpressionRef expr);
// Set the (atomic / non-atomic) memory order of a Load. See
// `BinaryenMemoryOrder`.
BINARYEN_API void BinaryenLoadSetMemoryOrder(BinaryenExpressionRef expr,
                                             BinaryenMemoryOrder order);
// Gets whether a `load` expression operates on a signed value (`_s`).
BINARYEN_API bool BinaryenLoadIsSigned(BinaryenExpressionRef expr);
// Sets whether a `load` expression operates on a signed value (`_s`).
BINARYEN_API void BinaryenLoadSetSigned(BinaryenExpressionRef expr,
                                        bool isSigned);
// Gets the constant offset of a `load` expression.
BINARYEN_API uint32_t BinaryenLoadGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of a `load` expression.
BINARYEN_API void BinaryenLoadSetOffset(BinaryenExpressionRef expr,
                                        uint32_t offset);
// Gets the number of bytes loaded by a `load` expression.
BINARYEN_API uint32_t BinaryenLoadGetBytes(BinaryenExpressionRef expr);
// Sets the number of bytes loaded by a `load` expression.
BINARYEN_API void BinaryenLoadSetBytes(BinaryenExpressionRef expr,
                                       uint32_t bytes);
// Gets the byte alignment of a `load` expression.
BINARYEN_API uint32_t BinaryenLoadGetAlign(BinaryenExpressionRef expr);
// Sets the byte alignment of a `load` expression.
BINARYEN_API void BinaryenLoadSetAlign(BinaryenExpressionRef expr,
                                       uint32_t align);
// Gets the pointer expression of a `load` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenLoadGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of a `load` expression.
BINARYEN_API void BinaryenLoadSetPtr(BinaryenExpressionRef expr,
                                     BinaryenExpressionRef ptrExpr);

// Store

// Gets whether a `store` expression is atomic (is an `atomic.store`), i.e. as a
// memory order other than Unordered. See also `BinaryenStoreGetMemoryOrder`.
BINARYEN_API bool BinaryenStoreIsAtomic(BinaryenExpressionRef expr);
// Get the (atomic / non-atomic) memory order of a Store. See
// `BinaryenMemoryOrder`.
BINARYEN_API BinaryenMemoryOrder
BinaryenStoreGetMemoryOrder(BinaryenExpressionRef expr);
// Set the (atomic / non-atomic) memory order of a Store. See
// `BinaryenMemoryOrder`.
BINARYEN_API void BinaryenStoreSetMemoryOrder(BinaryenExpressionRef expr,
                                              BinaryenMemoryOrder order);
// Gets the number of bytes stored by a `store` expression.
BINARYEN_API uint32_t BinaryenStoreGetBytes(BinaryenExpressionRef expr);
// Sets the number of bytes stored by a `store` expression.
BINARYEN_API void BinaryenStoreSetBytes(BinaryenExpressionRef expr,
                                        uint32_t bytes);
// Gets the constant offset of a `store` expression.
BINARYEN_API uint32_t BinaryenStoreGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of a `store` expression.
BINARYEN_API void BinaryenStoreSetOffset(BinaryenExpressionRef expr,
                                         uint32_t offset);
// Gets the byte alignment of a `store` expression.
BINARYEN_API uint32_t BinaryenStoreGetAlign(BinaryenExpressionRef expr);
// Sets the byte alignment of a `store` expression.
BINARYEN_API void BinaryenStoreSetAlign(BinaryenExpressionRef expr,
                                        uint32_t align);
// Gets the pointer expression of a `store` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenStoreGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of a `store` expression.
BINARYEN_API void BinaryenStoreSetPtr(BinaryenExpressionRef expr,
                                      BinaryenExpressionRef ptrExpr);
// Gets the value expression of a `store` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenStoreGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `store` expression.
BINARYEN_API void BinaryenStoreSetValue(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef valueExpr);
// Gets the value type of a `store` expression.
BINARYEN_API BinaryenType BinaryenStoreGetValueType(BinaryenExpressionRef expr);
// Sets the value type of a `store` expression.
BINARYEN_API void BinaryenStoreSetValueType(BinaryenExpressionRef expr,
                                            BinaryenType valueType);

// Const

// Gets the 32-bit integer value of an `i32.const` expression.
BINARYEN_API int32_t BinaryenConstGetValueI32(BinaryenExpressionRef expr);
// Sets the 32-bit integer value of an `i32.const` expression.
BINARYEN_API void BinaryenConstSetValueI32(BinaryenExpressionRef expr,
                                           int32_t value);
// Gets the 64-bit integer value of an `i64.const` expression.
BINARYEN_API int64_t BinaryenConstGetValueI64(BinaryenExpressionRef expr);
// Sets the 64-bit integer value of an `i64.const` expression.
BINARYEN_API void BinaryenConstSetValueI64(BinaryenExpressionRef expr,
                                           int64_t value);
// Gets the 32-bit float value of a `f32.const` expression.
BINARYEN_API float BinaryenConstGetValueF32(BinaryenExpressionRef expr);
// Sets the 32-bit float value of a `f32.const` expression.
BINARYEN_API void BinaryenConstSetValueF32(BinaryenExpressionRef expr,
                                           float value);
// Gets the 64-bit float (double) value of a `f64.const` expression.
BINARYEN_API double BinaryenConstGetValueF64(BinaryenExpressionRef expr);
// Sets the 64-bit float (double) value of a `f64.const` expression.
BINARYEN_API void BinaryenConstSetValueF64(BinaryenExpressionRef expr,
                                           double value);
// Reads the 128-bit vector value of a `v128.const` expression.
BINARYEN_API void BinaryenConstGetValueV128(BinaryenExpressionRef expr,
                                            uint8_t* out);
// Sets the 128-bit vector value of a `v128.const` expression.
BINARYEN_API void BinaryenConstSetValueV128(BinaryenExpressionRef expr,
                                            const uint8_t value[16]);

// Unary

// Gets the operation being performed by a unary expression.
BINARYEN_API BinaryenOp BinaryenUnaryGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a unary expression.
BINARYEN_API void BinaryenUnarySetOp(BinaryenExpressionRef expr, BinaryenOp op);
// Gets the value expression of a unary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenUnaryGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a unary expression.
BINARYEN_API void BinaryenUnarySetValue(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef valueExpr);

// Binary

// Gets the operation being performed by a binary expression.
BINARYEN_API BinaryenOp BinaryenBinaryGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a binary expression.
BINARYEN_API void BinaryenBinarySetOp(BinaryenExpressionRef expr,
                                      BinaryenOp op);
// Gets the left expression of a binary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBinaryGetLeft(BinaryenExpressionRef expr);
// Sets the left expression of a binary expression.
BINARYEN_API void BinaryenBinarySetLeft(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef leftExpr);
// Gets the right expression of a binary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenBinaryGetRight(BinaryenExpressionRef expr);
// Sets the right expression of a binary expression.
BINARYEN_API void BinaryenBinarySetRight(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef rightExpr);

// WideIntAddSub

// Gets the operation being performed by a wide int add/sub expression.
BINARYEN_API BinaryenOp BinaryenWideIntAddSubGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a wide int add/sub expression.
BINARYEN_API void BinaryenWideIntAddSubSetOp(BinaryenExpressionRef expr,
                                             BinaryenOp op);
// Gets the left low expression of a wide int add/sub expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntAddSubGetLeftLow(BinaryenExpressionRef expr);
// Sets the left low expression of a wide int add/sub expression.
BINARYEN_API void
BinaryenWideIntAddSubSetLeftLow(BinaryenExpressionRef expr,
                                BinaryenExpressionRef leftLowExpr);
// Gets the left high expression of a wide int add/sub expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntAddSubGetLeftHigh(BinaryenExpressionRef expr);
// Sets the left high expression of a wide int add/sub expression.
BINARYEN_API void
BinaryenWideIntAddSubSetLeftHigh(BinaryenExpressionRef expr,
                                 BinaryenExpressionRef leftHighExpr);
// Gets the right low expression of a wide int add/sub expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntAddSubGetRightLow(BinaryenExpressionRef expr);
// Sets the right low expression of a wide int add/sub expression.
BINARYEN_API void
BinaryenWideIntAddSubSetRightLow(BinaryenExpressionRef expr,
                                 BinaryenExpressionRef rightLowExpr);
// Gets the right high expression of a wide int add/sub expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntAddSubGetRightHigh(BinaryenExpressionRef expr);
// Sets the right high expression of a wide int add/sub expression.
BINARYEN_API void
BinaryenWideIntAddSubSetRightHigh(BinaryenExpressionRef expr,
                                  BinaryenExpressionRef rightHighExpr);

// WideIntMul

// Gets the operation being performed by a wide int mul expression.
BINARYEN_API BinaryenOp BinaryenWideIntMulGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a wide int mul expression.
BINARYEN_API void BinaryenWideIntMulSetOp(BinaryenExpressionRef expr,
                                          BinaryenOp op);
// Gets the left expression of a wide int mul expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntMulGetLeft(BinaryenExpressionRef expr);
// Sets the left expression of a wide int mul expression.
BINARYEN_API void BinaryenWideIntMulSetLeft(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef leftExpr);
// Gets the right expression of a wide int mul expression.
BINARYEN_API BinaryenExpressionRef
BinaryenWideIntMulGetRight(BinaryenExpressionRef expr);
// Sets the right expression of a wide int mul expression.
BINARYEN_API void BinaryenWideIntMulSetRight(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef rightExpr);

// Select

// Gets the expression becoming selected by a `select` expression if the
// condition turns out true.
BINARYEN_API BinaryenExpressionRef
BinaryenSelectGetIfTrue(BinaryenExpressionRef expr);
// Sets the expression becoming selected by a `select` expression if the
// condition turns out true.
BINARYEN_API void BinaryenSelectSetIfTrue(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef ifTrueExpr);
// Gets the expression becoming selected by a `select` expression if the
// condition turns out false.
BINARYEN_API BinaryenExpressionRef
BinaryenSelectGetIfFalse(BinaryenExpressionRef expr);
// Sets the expression becoming selected by a `select` expression if the
// condition turns out false.
BINARYEN_API void BinaryenSelectSetIfFalse(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef ifFalseExpr);
// Gets the condition expression of a `select` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSelectGetCondition(BinaryenExpressionRef expr);
// Sets the condition expression of a `select` expression.
BINARYEN_API void BinaryenSelectSetCondition(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef condExpr);

// Drop

// Gets the value expression being dropped by a `drop` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenDropGetValue(BinaryenExpressionRef expr);
// Sets the value expression being dropped by a `drop` expression.
BINARYEN_API void BinaryenDropSetValue(BinaryenExpressionRef expr,
                                       BinaryenExpressionRef valueExpr);

// Return

// Gets the value expression, if any, being returned by a `return` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenReturnGetValue(BinaryenExpressionRef expr);
// Sets the value expression, if any, being returned by a `return` expression.
BINARYEN_API void BinaryenReturnSetValue(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef valueExpr);

// AtomicRMW

// Gets the operation being performed by an atomic read-modify-write expression.
BINARYEN_API BinaryenOp BinaryenAtomicRMWGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by an atomic read-modify-write expression.
BINARYEN_API void BinaryenAtomicRMWSetOp(BinaryenExpressionRef expr,
                                         BinaryenOp op);
// Gets the number of bytes affected by an atomic read-modify-write expression.
BINARYEN_API uint32_t BinaryenAtomicRMWGetBytes(BinaryenExpressionRef expr);
// Sets the number of bytes affected by an atomic read-modify-write expression.
BINARYEN_API void BinaryenAtomicRMWSetBytes(BinaryenExpressionRef expr,
                                            uint32_t bytes);
// Gets the constant offset of an atomic read-modify-write expression.
BINARYEN_API uint32_t BinaryenAtomicRMWGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of an atomic read-modify-write expression.
BINARYEN_API void BinaryenAtomicRMWSetOffset(BinaryenExpressionRef expr,
                                             uint32_t offset);
// Gets the pointer expression of an atomic read-modify-write expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicRMWGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of an atomic read-modify-write expression.
BINARYEN_API void BinaryenAtomicRMWSetPtr(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef ptrExpr);
// Gets the value expression of an atomic read-modify-write expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicRMWGetValue(BinaryenExpressionRef expr);
// Sets the value expression of an atomic read-modify-write expression.
BINARYEN_API void BinaryenAtomicRMWSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);
// Gets the memory order of an atomic read-modify-write expression. See
// `BinaryenMemoryOrder`.
BINARYEN_API BinaryenMemoryOrder
BinaryenAtomicRMWGetMemoryOrder(BinaryenExpressionRef expr);
// Sets the atomic memory order of a Store. See `BinaryenMemoryOrder`.
BINARYEN_API void BinaryenAtomicRMWSetMemoryOrder(BinaryenExpressionRef expr,
                                                  BinaryenMemoryOrder order);

// AtomicCmpxchg

// Gets the number of bytes affected by an atomic compare and exchange
// expression.
BINARYEN_API uint32_t BinaryenAtomicCmpxchgGetBytes(BinaryenExpressionRef expr);
// Sets the number of bytes affected by an atomic compare and exchange
// expression.
BINARYEN_API void BinaryenAtomicCmpxchgSetBytes(BinaryenExpressionRef expr,
                                                uint32_t bytes);
// Gets the constant offset of an atomic compare and exchange expression.
BINARYEN_API uint32_t
BinaryenAtomicCmpxchgGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of an atomic compare and exchange expression.
BINARYEN_API void BinaryenAtomicCmpxchgSetOffset(BinaryenExpressionRef expr,
                                                 uint32_t offset);
// Gets the pointer expression of an atomic compare and exchange expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicCmpxchgGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of an atomic compare and exchange expression.
BINARYEN_API void BinaryenAtomicCmpxchgSetPtr(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef ptrExpr);
// Gets the expression representing the expected value of an atomic compare and
// exchange expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicCmpxchgGetExpected(BinaryenExpressionRef expr);
// Sets the expression representing the expected value of an atomic compare and
// exchange expression.
BINARYEN_API void
BinaryenAtomicCmpxchgSetExpected(BinaryenExpressionRef expr,
                                 BinaryenExpressionRef expectedExpr);
// Gets the replacement expression of an atomic compare and exchange expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicCmpxchgGetReplacement(BinaryenExpressionRef expr);
// Sets the replacement expression of an atomic compare and exchange expression.
BINARYEN_API void
BinaryenAtomicCmpxchgSetReplacement(BinaryenExpressionRef expr,
                                    BinaryenExpressionRef replacementExpr);
// Gets the memory order of an atomic compare and exchange expression. See
// `BinaryenMemoryOrder`.
BINARYEN_API BinaryenMemoryOrder
BinaryenAtomicCmpxchgGetMemoryOrder(BinaryenExpressionRef expr);
// Sets the memory order of an atomic compare and exchange expression. See
// `BinaryenMemoryOrder`.
BINARYEN_API void
BinaryenAtomicCmpxchgSetMemoryOrder(BinaryenExpressionRef expr,
                                    BinaryenMemoryOrder order);

// AtomicWait

// Gets the pointer expression of an `memory.atomic.wait` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicWaitGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of an `memory.atomic.wait` expression.
BINARYEN_API void BinaryenAtomicWaitSetPtr(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef ptrExpr);
// Gets the expression representing the expected value of an
// `memory.atomic.wait` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicWaitGetExpected(BinaryenExpressionRef expr);
// Sets the expression representing the expected value of an
// `memory.atomic.wait` expression.
BINARYEN_API void
BinaryenAtomicWaitSetExpected(BinaryenExpressionRef expr,
                              BinaryenExpressionRef expectedExpr);
// Gets the timeout expression of an `memory.atomic.wait` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicWaitGetTimeout(BinaryenExpressionRef expr);
// Sets the timeout expression of an `memory.atomic.wait` expression.
BINARYEN_API void
BinaryenAtomicWaitSetTimeout(BinaryenExpressionRef expr,
                             BinaryenExpressionRef timeoutExpr);
// Gets the expected type of an `memory.atomic.wait` expression.
BINARYEN_API BinaryenType
BinaryenAtomicWaitGetExpectedType(BinaryenExpressionRef expr);
// Sets the expected type of an `memory.atomic.wait` expression.
BINARYEN_API void BinaryenAtomicWaitSetExpectedType(BinaryenExpressionRef expr,
                                                    BinaryenType expectedType);

// AtomicNotify

// Gets the pointer expression of an `memory.atomic.notify` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicNotifyGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of an `memory.atomic.notify` expression.
BINARYEN_API void BinaryenAtomicNotifySetPtr(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef ptrExpr);
// Gets the notify count expression of an `memory.atomic.notify` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenAtomicNotifyGetNotifyCount(BinaryenExpressionRef expr);
// Sets the notify count expression of an `memory.atomic.notify` expression.
BINARYEN_API void
BinaryenAtomicNotifySetNotifyCount(BinaryenExpressionRef expr,
                                   BinaryenExpressionRef notifyCountExpr);

// AtomicFence

// Gets the order of an `atomic.fence` expression.
BINARYEN_API BinaryenMemoryOrder
BinaryenAtomicFenceGetOrder(BinaryenExpressionRef expr);
// Sets the order of an `atomic.fence` expression.
BINARYEN_API void BinaryenAtomicFenceSetOrder(BinaryenExpressionRef expr,
                                              BinaryenMemoryOrder order);

// SIMDExtract

// Gets the operation being performed by a SIMD extract expression.
BINARYEN_API BinaryenOp BinaryenSIMDExtractGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD extract expression.
BINARYEN_API void BinaryenSIMDExtractSetOp(BinaryenExpressionRef expr,
                                           BinaryenOp op);
// Gets the vector expression a SIMD extract expression extracts from.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDExtractGetVec(BinaryenExpressionRef expr);
// Sets the vector expression a SIMD extract expression extracts from.
BINARYEN_API void BinaryenSIMDExtractSetVec(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef vecExpr);
// Gets the index of the extracted lane of a SIMD extract expression.
BINARYEN_API uint8_t BinaryenSIMDExtractGetIndex(BinaryenExpressionRef expr);
// Sets the index of the extracted lane of a SIMD extract expression.
BINARYEN_API void BinaryenSIMDExtractSetIndex(BinaryenExpressionRef expr,
                                              uint8_t index);

// SIMDReplace

// Gets the operation being performed by a SIMD replace expression.
BINARYEN_API BinaryenOp BinaryenSIMDReplaceGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD replace expression.
BINARYEN_API void BinaryenSIMDReplaceSetOp(BinaryenExpressionRef expr,
                                           BinaryenOp op);
// Gets the vector expression a SIMD replace expression replaces in.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDReplaceGetVec(BinaryenExpressionRef expr);
// Sets the vector expression a SIMD replace expression replaces in.
BINARYEN_API void BinaryenSIMDReplaceSetVec(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef vecExpr);
// Gets the index of the replaced lane of a SIMD replace expression.
BINARYEN_API uint8_t BinaryenSIMDReplaceGetIndex(BinaryenExpressionRef expr);
// Sets the index of the replaced lane of a SIMD replace expression.
BINARYEN_API void BinaryenSIMDReplaceSetIndex(BinaryenExpressionRef expr,
                                              uint8_t index);
// Gets the value expression a SIMD replace expression replaces with.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDReplaceGetValue(BinaryenExpressionRef expr);
// Sets the value expression a SIMD replace expression replaces with.
BINARYEN_API void BinaryenSIMDReplaceSetValue(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef valueExpr);

// SIMDShuffle

// Gets the left expression of a SIMD shuffle expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShuffleGetLeft(BinaryenExpressionRef expr);
// Sets the left expression of a SIMD shuffle expression.
BINARYEN_API void BinaryenSIMDShuffleSetLeft(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef leftExpr);
// Gets the right expression of a SIMD shuffle expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShuffleGetRight(BinaryenExpressionRef expr);
// Sets the right expression of a SIMD shuffle expression.
BINARYEN_API void BinaryenSIMDShuffleSetRight(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef rightExpr);
// Gets the 128-bit mask of a SIMD shuffle expression.
BINARYEN_API void BinaryenSIMDShuffleGetMask(BinaryenExpressionRef expr,
                                             uint8_t* mask);
// Sets the 128-bit mask of a SIMD shuffle expression.
BINARYEN_API void BinaryenSIMDShuffleSetMask(BinaryenExpressionRef expr,
                                             const uint8_t mask[16]);

// SIMDTernary

// Gets the operation being performed by a SIMD ternary expression.
BINARYEN_API BinaryenOp BinaryenSIMDTernaryGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD ternary expression.
BINARYEN_API void BinaryenSIMDTernarySetOp(BinaryenExpressionRef expr,
                                           BinaryenOp op);
// Gets the first operand expression of a SIMD ternary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDTernaryGetA(BinaryenExpressionRef expr);
// Sets the first operand expression of a SIMD ternary expression.
BINARYEN_API void BinaryenSIMDTernarySetA(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef aExpr);
// Gets the second operand expression of a SIMD ternary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDTernaryGetB(BinaryenExpressionRef expr);
// Sets the second operand expression of a SIMD ternary expression.
BINARYEN_API void BinaryenSIMDTernarySetB(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef bExpr);
// Gets the third operand expression of a SIMD ternary expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDTernaryGetC(BinaryenExpressionRef expr);
// Sets the third operand expression of a SIMD ternary expression.
BINARYEN_API void BinaryenSIMDTernarySetC(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef cExpr);

// SIMDShift

// Gets the operation being performed by a SIMD shift expression.
BINARYEN_API BinaryenOp BinaryenSIMDShiftGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD shift expression.
BINARYEN_API void BinaryenSIMDShiftSetOp(BinaryenExpressionRef expr,
                                         BinaryenOp op);
// Gets the expression being shifted by a SIMD shift expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShiftGetVec(BinaryenExpressionRef expr);
// Sets the expression being shifted by a SIMD shift expression.
BINARYEN_API void BinaryenSIMDShiftSetVec(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef vecExpr);
// Gets the expression representing the shift of a SIMD shift expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDShiftGetShift(BinaryenExpressionRef expr);
// Sets the expression representing the shift of a SIMD shift expression.
BINARYEN_API void BinaryenSIMDShiftSetShift(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef shiftExpr);

// SIMDLoad

// Gets the operation being performed by a SIMD load expression.
BINARYEN_API BinaryenOp BinaryenSIMDLoadGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD load expression.
BINARYEN_API void BinaryenSIMDLoadSetOp(BinaryenExpressionRef expr,
                                        BinaryenOp op);
// Gets the constant offset of a SIMD load expression.
BINARYEN_API uint32_t BinaryenSIMDLoadGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of a SIMD load expression.
BINARYEN_API void BinaryenSIMDLoadSetOffset(BinaryenExpressionRef expr,
                                            uint32_t offset);
// Gets the byte alignment of a SIMD load expression.
BINARYEN_API uint32_t BinaryenSIMDLoadGetAlign(BinaryenExpressionRef expr);
// Sets the byte alignment of a SIMD load expression.
BINARYEN_API void BinaryenSIMDLoadSetAlign(BinaryenExpressionRef expr,
                                           uint32_t align);
// Gets the pointer expression of a SIMD load expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDLoadGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of a SIMD load expression.
BINARYEN_API void BinaryenSIMDLoadSetPtr(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef ptrExpr);

// SIMDLoadStoreLane

// Gets the operation being performed by a SIMD load/store lane expression.
BINARYEN_API BinaryenOp
BinaryenSIMDLoadStoreLaneGetOp(BinaryenExpressionRef expr);
// Sets the operation being performed by a SIMD load/store lane expression.
BINARYEN_API void BinaryenSIMDLoadStoreLaneSetOp(BinaryenExpressionRef expr,
                                                 BinaryenOp op);
// Gets the constant offset of a SIMD load/store lane expression.
BINARYEN_API uint32_t
BinaryenSIMDLoadStoreLaneGetOffset(BinaryenExpressionRef expr);
// Sets the constant offset of a SIMD load/store lane expression.
BINARYEN_API void BinaryenSIMDLoadStoreLaneSetOffset(BinaryenExpressionRef expr,
                                                     uint32_t offset);
// Gets the byte alignment of a SIMD load/store lane expression.
BINARYEN_API uint32_t
BinaryenSIMDLoadStoreLaneGetAlign(BinaryenExpressionRef expr);
// Sets the byte alignment of a SIMD load/store lane expression.
BINARYEN_API void BinaryenSIMDLoadStoreLaneSetAlign(BinaryenExpressionRef expr,
                                                    uint32_t align);
// Gets the lane index of a SIMD load/store lane expression.
BINARYEN_API uint8_t
BinaryenSIMDLoadStoreLaneGetIndex(BinaryenExpressionRef expr);
// Sets the lane index of a SIMD load/store lane expression.
BINARYEN_API void BinaryenSIMDLoadStoreLaneSetIndex(BinaryenExpressionRef expr,
                                                    uint8_t index);
// Gets the pointer expression of a SIMD load/store lane expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDLoadStoreLaneGetPtr(BinaryenExpressionRef expr);
// Sets the pointer expression of a SIMD load/store lane expression.
BINARYEN_API void
BinaryenSIMDLoadStoreLaneSetPtr(BinaryenExpressionRef expr,
                                BinaryenExpressionRef ptrExpr);
// Gets the vector expression of a SIMD load/store lane expression.
BINARYEN_API BinaryenExpressionRef
BinaryenSIMDLoadStoreLaneGetVec(BinaryenExpressionRef expr);
// Sets the vector expression of a SIMD load/store lane expression.
BINARYEN_API void
BinaryenSIMDLoadStoreLaneSetVec(BinaryenExpressionRef expr,
                                BinaryenExpressionRef vecExpr);
// Gets whether a SIMD load/store lane expression performs a store. Otherwise it
// performs a load.
BINARYEN_API bool BinaryenSIMDLoadStoreLaneIsStore(BinaryenExpressionRef expr);

// MemoryInit

// Gets the name of the segment being initialized by a `memory.init`
// expression.
BINARYEN_API const char*
BinaryenMemoryInitGetSegment(BinaryenExpressionRef expr);
// Sets the name of the segment being initialized by a `memory.init`
// expression.
BINARYEN_API void BinaryenMemoryInitSetSegment(BinaryenExpressionRef expr,
                                               const char* segment);
// Gets the destination expression of a `memory.init` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryInitGetDest(BinaryenExpressionRef expr);
// Sets the destination expression of a `memory.init` expression.
BINARYEN_API void BinaryenMemoryInitSetDest(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef destExpr);
// Gets the offset expression of a `memory.init` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryInitGetOffset(BinaryenExpressionRef expr);
// Sets the offset expression of a `memory.init` expression.
BINARYEN_API void BinaryenMemoryInitSetOffset(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef offsetExpr);
// Gets the size expression of a `memory.init` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryInitGetSize(BinaryenExpressionRef expr);
// Sets the size expression of a `memory.init` expression.
BINARYEN_API void BinaryenMemoryInitSetSize(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef sizeExpr);

// DataDrop

// Gets the name of the segment being dropped by a `data.drop` expression.
BINARYEN_API const char* BinaryenDataDropGetSegment(BinaryenExpressionRef expr);
// Sets the name of the segment being dropped by a `data.drop` expression.
BINARYEN_API void BinaryenDataDropSetSegment(BinaryenExpressionRef expr,
                                             const char* segment);

// MemoryCopy

// Gets the destination expression of a `memory.copy` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryCopyGetDest(BinaryenExpressionRef expr);
// Sets the destination expression of a `memory.copy` expression.
BINARYEN_API void BinaryenMemoryCopySetDest(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef destExpr);
// Gets the source expression of a `memory.copy` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryCopyGetSource(BinaryenExpressionRef expr);
// Sets the source expression of a `memory.copy` expression.
BINARYEN_API void BinaryenMemoryCopySetSource(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef sourceExpr);
// Gets the size expression (number of bytes copied) of a `memory.copy`
// expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryCopyGetSize(BinaryenExpressionRef expr);
// Sets the size expression (number of bytes copied) of a `memory.copy`
// expression.
BINARYEN_API void BinaryenMemoryCopySetSize(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef sizeExpr);

// MemoryFill

// Gets the destination expression of a `memory.fill` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryFillGetDest(BinaryenExpressionRef expr);
// Sets the destination expression of a `memory.fill` expression.
BINARYEN_API void BinaryenMemoryFillSetDest(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef destExpr);
// Gets the value expression of a `memory.fill` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryFillGetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `memory.fill` expression.
BINARYEN_API void BinaryenMemoryFillSetValue(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef valueExpr);
// Gets the size expression (number of bytes filled) of a `memory.fill`
// expression.
BINARYEN_API BinaryenExpressionRef
BinaryenMemoryFillGetSize(BinaryenExpressionRef expr);
// Sets the size expression (number of bytes filled) of a `memory.fill`
// expression.
BINARYEN_API void BinaryenMemoryFillSetSize(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef sizeExpr);

// RefIsNull

BINARYEN_API BinaryenExpressionRef
BinaryenRefIsNullGetValue(BinaryenExpressionRef expr);
// Sets the value expression tested by a `ref.is_null` expression.
BINARYEN_API void BinaryenRefIsNullSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);

// RefAs

// Gets the operation performed by a `ref.as_*` expression.
BINARYEN_API BinaryenOp BinaryenRefAsGetOp(BinaryenExpressionRef expr);
// Sets the operation performed by a `ref.as_*` expression.
BINARYEN_API void BinaryenRefAsSetOp(BinaryenExpressionRef expr, BinaryenOp op);
// Gets the value expression tested by a `ref.as_*` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenRefAsGetValue(BinaryenExpressionRef expr);
// Sets the value expression tested by a `ref.as_*` expression.
BINARYEN_API void BinaryenRefAsSetValue(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef valueExpr);

// RefFunc

// Gets the name of the function being wrapped by a `ref.func` expression.
BINARYEN_API const char* BinaryenRefFuncGetFunc(BinaryenExpressionRef expr);
// Sets the name of the function being wrapped by a `ref.func` expression.
BINARYEN_API void BinaryenRefFuncSetFunc(BinaryenExpressionRef expr,
                                         const char* funcName);

// RefEq

// Gets the left expression of a `ref.eq` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenRefEqGetLeft(BinaryenExpressionRef expr);
// Sets the left expression of a `ref.eq` expression.
BINARYEN_API void BinaryenRefEqSetLeft(BinaryenExpressionRef expr,
                                       BinaryenExpressionRef left);
// Gets the right expression of a `ref.eq` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenRefEqGetRight(BinaryenExpressionRef expr);
// Sets the right expression of a `ref.eq` expression.
BINARYEN_API void BinaryenRefEqSetRight(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef right);

// Try

// Gets the name (label) of a `try` expression.
BINARYEN_API const char* BinaryenTryGetName(BinaryenExpressionRef expr);
// Sets the name (label) of a `try` expression.
BINARYEN_API void BinaryenTrySetName(BinaryenExpressionRef expr,
                                     const char* name);
// Gets the body expression of a `try` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTryGetBody(BinaryenExpressionRef expr);
// Sets the body expression of a `try` expression.
BINARYEN_API void BinaryenTrySetBody(BinaryenExpressionRef expr,
                                     BinaryenExpressionRef bodyExpr);
// Gets the number of catch blocks (= the number of catch tags) of a `try`
// expression.
BINARYEN_API BinaryenIndex
BinaryenTryGetNumCatchTags(BinaryenExpressionRef expr);
// Gets the number of catch/catch_all blocks of a `try` expression.
BINARYEN_API BinaryenIndex
BinaryenTryGetNumCatchBodies(BinaryenExpressionRef expr);
// Gets the catch tag at the specified index of a `try` expression.
BINARYEN_API const char* BinaryenTryGetCatchTagAt(BinaryenExpressionRef expr,
                                                  BinaryenIndex index);
// Sets the catch tag at the specified index of a `try` expression.
BINARYEN_API void BinaryenTrySetCatchTagAt(BinaryenExpressionRef expr,
                                           BinaryenIndex index,
                                           const char* catchTag);
// Appends a catch tag to a `try` expression, returning its insertion index.
BINARYEN_API BinaryenIndex BinaryenTryAppendCatchTag(BinaryenExpressionRef expr,
                                                     const char* catchTag);
// Inserts a catch tag at the specified index of a `try` expression, moving
// existing catch tags including the one previously at that index one index up.
BINARYEN_API void BinaryenTryInsertCatchTagAt(BinaryenExpressionRef expr,
                                              BinaryenIndex index,
                                              const char* catchTag);
// Removes the catch tag at the specified index of a `try` expression, moving
// all subsequent catch tags one index down. Returns the tag.
BINARYEN_API const char* BinaryenTryRemoveCatchTagAt(BinaryenExpressionRef expr,
                                                     BinaryenIndex index);
// Gets the catch body expression at the specified index of a `try` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTryGetCatchBodyAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Sets the catch body expression at the specified index of a `try` expression.
BINARYEN_API void BinaryenTrySetCatchBodyAt(BinaryenExpressionRef expr,
                                            BinaryenIndex index,
                                            BinaryenExpressionRef catchExpr);
// Appends a catch expression to a `try` expression, returning its insertion
// index.
BINARYEN_API BinaryenIndex BinaryenTryAppendCatchBody(
  BinaryenExpressionRef expr, BinaryenExpressionRef catchExpr);
// Inserts a catch expression at the specified index of a `try` expression,
// moving existing catch bodies including the one previously at that index one
// index up.
BINARYEN_API void BinaryenTryInsertCatchBodyAt(BinaryenExpressionRef expr,
                                               BinaryenIndex index,
                                               BinaryenExpressionRef catchExpr);
// Removes the catch expression at the specified index of a `try` expression,
// moving all subsequent catch bodies one index down. Returns the catch
// expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTryRemoveCatchBodyAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Gets whether a `try` expression has a catch_all clause.
BINARYEN_API bool BinaryenTryHasCatchAll(BinaryenExpressionRef expr);
// Gets the target label of a `delegate`.
BINARYEN_API const char*
BinaryenTryGetDelegateTarget(BinaryenExpressionRef expr);
// Sets the target label of a `delegate`.
BINARYEN_API void BinaryenTrySetDelegateTarget(BinaryenExpressionRef expr,
                                               const char* delegateTarget);
// Gets whether a `try` expression is a try-delegate.
BINARYEN_API bool BinaryenTryIsDelegate(BinaryenExpressionRef expr);

// Throw

// Gets the name of the tag being thrown by a `throw` expression.
BINARYEN_API const char* BinaryenThrowGetTag(BinaryenExpressionRef expr);
// Sets the name of the tag being thrown by a `throw` expression.
BINARYEN_API void BinaryenThrowSetTag(BinaryenExpressionRef expr,
                                      const char* tagName);
// Gets the number of operands of a `throw` expression.
BINARYEN_API BinaryenIndex
BinaryenThrowGetNumOperands(BinaryenExpressionRef expr);
// Gets the operand at the specified index of a `throw` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenThrowGetOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Sets the operand at the specified index of a `throw` expression.
BINARYEN_API void BinaryenThrowSetOperandAt(BinaryenExpressionRef expr,
                                            BinaryenIndex index,
                                            BinaryenExpressionRef operandExpr);
// Appends an operand expression to a `throw` expression, returning its
// insertion index.
BINARYEN_API BinaryenIndex BinaryenThrowAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
// Inserts an operand expression at the specified index of a `throw` expression,
// moving existing operands including the one previously at that index one index
// up.
BINARYEN_API void
BinaryenThrowInsertOperandAt(BinaryenExpressionRef expr,
                             BinaryenIndex index,
                             BinaryenExpressionRef operandExpr);
// Removes the operand expression at the specified index of a `throw`
// expression, moving all subsequent operands one index down. Returns the
// operand expression.
BINARYEN_API BinaryenExpressionRef
BinaryenThrowRemoveOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);

// Rethrow

// Gets the target catch's corresponding try label of a `rethrow` expression.
BINARYEN_API const char* BinaryenRethrowGetTarget(BinaryenExpressionRef expr);
// Sets the target catch's corresponding try label of a `rethrow` expression.
BINARYEN_API void BinaryenRethrowSetTarget(BinaryenExpressionRef expr,
                                           const char* target);

// TupleMake

// Gets the number of operands of a `tuple.make` expression.
BINARYEN_API BinaryenIndex
BinaryenTupleMakeGetNumOperands(BinaryenExpressionRef expr);
// Gets the operand at the specified index of a `tuple.make` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTupleMakeGetOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
// Sets the operand at the specified index of a `tuple.make` expression.
BINARYEN_API void
BinaryenTupleMakeSetOperandAt(BinaryenExpressionRef expr,
                              BinaryenIndex index,
                              BinaryenExpressionRef operandExpr);
// Appends an operand expression to a `tuple.make` expression, returning its
// insertion index.
BINARYEN_API BinaryenIndex BinaryenTupleMakeAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
// Inserts an operand expression at the specified index of a `tuple.make`
// expression, moving existing operands including the one previously at that
// index one index up.
BINARYEN_API void
BinaryenTupleMakeInsertOperandAt(BinaryenExpressionRef expr,
                                 BinaryenIndex index,
                                 BinaryenExpressionRef operandExpr);
// Removes the operand expression at the specified index of a `tuple.make`
// expression, moving all subsequent operands one index down. Returns the
// operand expression.
BINARYEN_API BinaryenExpressionRef BinaryenTupleMakeRemoveOperandAt(
  BinaryenExpressionRef expr, BinaryenIndex index);

// TupleExtract

// Gets the tuple extracted from of a `tuple.extract` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenTupleExtractGetTuple(BinaryenExpressionRef expr);
// Sets the tuple extracted from of a `tuple.extract` expression.
BINARYEN_API void BinaryenTupleExtractSetTuple(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef tupleExpr);
// Gets the index extracted at of a `tuple.extract` expression.
BINARYEN_API BinaryenIndex
BinaryenTupleExtractGetIndex(BinaryenExpressionRef expr);
// Sets the index extracted at of a `tuple.extract` expression.
BINARYEN_API void BinaryenTupleExtractSetIndex(BinaryenExpressionRef expr,
                                               BinaryenIndex index);

// RefI31

// Gets the value expression of a `ref.i31` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenRefI31GetValue(BinaryenExpressionRef expr);
// Sets the value expression of a `ref.i31` expression.
BINARYEN_API void BinaryenRefI31SetValue(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef valueExpr);

// I31Get

// Gets the i31 expression of an `i31.get` expression.
BINARYEN_API BinaryenExpressionRef
BinaryenI31GetGetI31(BinaryenExpressionRef expr);
// Sets the i31 expression of an `i31.get` expression.
BINARYEN_API void BinaryenI31GetSetI31(BinaryenExpressionRef expr,
                                       BinaryenExpressionRef i31Expr);
// Gets whether an `i31.get` expression returns a signed value (`_s`).
BINARYEN_API bool BinaryenI31GetIsSigned(BinaryenExpressionRef expr);
// Sets whether an `i31.get` expression returns a signed value (`_s`).
BINARYEN_API void BinaryenI31GetSetSigned(BinaryenExpressionRef expr,
                                          bool signed_);

// CallRef

BINARYEN_API BinaryenIndex
BinaryenCallRefGetNumOperands(BinaryenExpressionRef expr);
BINARYEN_API BinaryenExpressionRef
BinaryenCallRefGetOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
BINARYEN_API void
BinaryenCallRefSetOperandAt(BinaryenExpressionRef expr,
                            BinaryenIndex index,
                            BinaryenExpressionRef operandExpr);
BINARYEN_API BinaryenIndex BinaryenCallRefAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
BINARYEN_API void
BinaryenCallRefInsertOperandAt(BinaryenExpressionRef expr,
                               BinaryenIndex index,
                               BinaryenExpressionRef operandExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenCallRefRemoveOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
BINARYEN_API BinaryenExpressionRef
BinaryenCallRefGetTarget(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenCallRefSetTarget(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef targetExpr);
BINARYEN_API bool BinaryenCallRefIsReturn(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenCallRefSetReturn(BinaryenExpressionRef expr,
                                           bool isReturn);

// RefTest

BINARYEN_API BinaryenExpressionRef
BinaryenRefTestGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenRefTestSetRef(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenType
BinaryenRefTestGetCastType(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenRefTestSetCastType(BinaryenExpressionRef expr,
                                             BinaryenType intendedType);

// RefCast

BINARYEN_API BinaryenExpressionRef
BinaryenRefCastGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenRefCastSetRef(BinaryenExpressionRef expr,
                                        BinaryenExpressionRef refExpr);

// BrOn

BINARYEN_API BinaryenOp BinaryenBrOnGetOp(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenBrOnSetOp(BinaryenExpressionRef expr, BinaryenOp op);
BINARYEN_API const char* BinaryenBrOnGetName(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenBrOnSetName(BinaryenExpressionRef expr,
                                      const char* nameStr);
BINARYEN_API BinaryenExpressionRef
BinaryenBrOnGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenBrOnSetRef(BinaryenExpressionRef expr,
                                     BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenType BinaryenBrOnGetCastType(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenBrOnSetCastType(BinaryenExpressionRef expr,
                                          BinaryenType castType);

// StructNew

BINARYEN_API BinaryenIndex
BinaryenStructNewGetNumOperands(BinaryenExpressionRef expr);
BINARYEN_API BinaryenExpressionRef
BinaryenStructNewGetOperandAt(BinaryenExpressionRef expr, BinaryenIndex index);
BINARYEN_API void
BinaryenStructNewSetOperandAt(BinaryenExpressionRef expr,
                              BinaryenIndex index,
                              BinaryenExpressionRef operandExpr);
BINARYEN_API BinaryenIndex BinaryenStructNewAppendOperand(
  BinaryenExpressionRef expr, BinaryenExpressionRef operandExpr);
BINARYEN_API void
BinaryenStructNewInsertOperandAt(BinaryenExpressionRef expr,
                                 BinaryenIndex index,
                                 BinaryenExpressionRef operandExpr);
BINARYEN_API BinaryenExpressionRef BinaryenStructNewRemoveOperandAt(
  BinaryenExpressionRef expr, BinaryenIndex index);

// StructGet

BINARYEN_API BinaryenIndex
BinaryenStructGetGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructGetSetIndex(BinaryenExpressionRef expr,
                                            BinaryenIndex index);
BINARYEN_API BinaryenExpressionRef
BinaryenStructGetGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructGetSetRef(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef refExpr);
BINARYEN_API bool BinaryenStructGetIsSigned(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructGetSetSigned(BinaryenExpressionRef expr,
                                             bool signed_);

// StructSet

BINARYEN_API BinaryenIndex
BinaryenStructSetGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructSetSetIndex(BinaryenExpressionRef expr,
                                            BinaryenIndex index);
BINARYEN_API BinaryenExpressionRef
BinaryenStructSetGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructSetSetRef(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStructSetGetValue(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStructSetSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);

// ArrayNew

BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewGetInit(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewSetInit(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef initExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewSetSize(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef sizeExpr);

// ArrayNewFixed

BINARYEN_API BinaryenIndex
BinaryenArrayNewFixedGetNumValues(BinaryenExpressionRef expr);
BINARYEN_API BinaryenExpressionRef BinaryenArrayNewFixedGetValueAt(
  BinaryenExpressionRef expr, BinaryenIndex index);
BINARYEN_API void
BinaryenArrayNewFixedSetValueAt(BinaryenExpressionRef expr,
                                BinaryenIndex index,
                                BinaryenExpressionRef valueExpr);
BINARYEN_API BinaryenIndex BinaryenArrayNewFixedAppendValue(
  BinaryenExpressionRef expr, BinaryenExpressionRef valueExpr);
BINARYEN_API void
BinaryenArrayNewFixedInsertValueAt(BinaryenExpressionRef expr,
                                   BinaryenIndex index,
                                   BinaryenExpressionRef valueExpr);
BINARYEN_API BinaryenExpressionRef BinaryenArrayNewFixedRemoveValueAt(
  BinaryenExpressionRef expr, BinaryenIndex index);

// ArrayNewData

BINARYEN_API const char*
BinaryenArrayNewDataGetSegment(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewDataSetSegment(BinaryenExpressionRef expr,
                                                 const char* segment);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewDataGetOffset(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewDataSetOffset(BinaryenExpressionRef expr,
                                                BinaryenExpressionRef offset);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewDataGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewDataSetSize(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef size);

// ArrayNewElem

BINARYEN_API const char*
BinaryenArrayNewElemGetSegment(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewElemSetSegment(BinaryenExpressionRef expr,
                                                 const char* segment);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewElemGetOffset(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewElemSetOffset(BinaryenExpressionRef expr,
                                                BinaryenExpressionRef offset);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayNewElemGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayNewElemSetSize(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef size);

// ArrayGet

BINARYEN_API BinaryenExpressionRef
BinaryenArrayGetGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayGetSetRef(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayGetGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayGetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef indexExpr);
BINARYEN_API bool BinaryenArrayGetIsSigned(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayGetSetSigned(BinaryenExpressionRef expr,
                                            bool signed_);

// ArraySet

BINARYEN_API BinaryenExpressionRef
BinaryenArraySetGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArraySetSetRef(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArraySetGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArraySetSetIndex(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef indexExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArraySetGetValue(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArraySetSetValue(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef valueExpr);

// ArrayLen

BINARYEN_API BinaryenExpressionRef
BinaryenArrayLenGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayLenSetRef(BinaryenExpressionRef expr,
                                         BinaryenExpressionRef refExpr);

// ArrayFill

BINARYEN_API BinaryenExpressionRef
BinaryenArrayFillGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayFillSetRef(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayFillGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayFillSetIndex(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef indexExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayFillGetValue(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayFillSetValue(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef valueExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayFillGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayFillSetSize(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef sizeExpr);

// ArrayCopy

BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopyGetDestRef(BinaryenExpressionRef expr);
BINARYEN_API void
BinaryenArrayCopySetDestRef(BinaryenExpressionRef expr,
                            BinaryenExpressionRef destRefExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopyGetDestIndex(BinaryenExpressionRef expr);
BINARYEN_API void
BinaryenArrayCopySetDestIndex(BinaryenExpressionRef expr,
                              BinaryenExpressionRef destIndexExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopyGetSrcRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayCopySetSrcRef(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef srcRefExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopyGetSrcIndex(BinaryenExpressionRef expr);
BINARYEN_API void
BinaryenArrayCopySetSrcIndex(BinaryenExpressionRef expr,
                             BinaryenExpressionRef srcIndexExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayCopyGetLength(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayCopySetLength(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef lengthExpr);

// ArrayInitData

BINARYEN_API const char*
BinaryenArrayInitDataGetSegment(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitDataSetSegment(BinaryenExpressionRef expr,
                                                  const char* segment);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitDataGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitDataSetRef(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef ref);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitDataGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitDataSetIndex(BinaryenExpressionRef expr,
                                                BinaryenExpressionRef index);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitDataGetOffset(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitDataSetOffset(BinaryenExpressionRef expr,
                                                 BinaryenExpressionRef offset);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitDataGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitDataSetSize(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef size);

// ArrayInitElem

BINARYEN_API const char*
BinaryenArrayInitElemGetSegment(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitElemSetSegment(BinaryenExpressionRef expr,
                                                  const char* segment);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitElemGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitElemSetRef(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef ref);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitElemGetIndex(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitElemSetIndex(BinaryenExpressionRef expr,
                                                BinaryenExpressionRef index);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitElemGetOffset(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitElemSetOffset(BinaryenExpressionRef expr,
                                                 BinaryenExpressionRef offset);
BINARYEN_API BinaryenExpressionRef
BinaryenArrayInitElemGetSize(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenArrayInitElemSetSize(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef size);

// StringNew

BINARYEN_API BinaryenOp BinaryenStringNewGetOp(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringNewSetOp(BinaryenExpressionRef expr,
                                         BinaryenOp op);
BINARYEN_API BinaryenExpressionRef
BinaryenStringNewGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringNewSetRef(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef ptrExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringNewGetStart(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringNewSetStart(BinaryenExpressionRef expr,
                                            BinaryenExpressionRef startExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringNewGetEnd(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringNewSetEnd(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef endExpr);

// StringConst

BINARYEN_API const char*
BinaryenStringConstGetString(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringConstSetString(BinaryenExpressionRef expr,
                                               const char* stringStr);

// StringMeasure

BINARYEN_API BinaryenOp BinaryenStringMeasureGetOp(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringMeasureSetOp(BinaryenExpressionRef expr,
                                             BinaryenOp op);
BINARYEN_API BinaryenExpressionRef
BinaryenStringMeasureGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringMeasureSetRef(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef refExpr);

// StringEncode

BINARYEN_API BinaryenOp BinaryenStringEncodeGetOp(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEncodeSetOp(BinaryenExpressionRef expr,
                                            BinaryenOp op);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEncodeGetStr(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEncodeSetStr(BinaryenExpressionRef expr,
                                             BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEncodeGetArray(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEncodeSetArray(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef ptrExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEncodeGetStart(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEncodeSetStart(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef startExpr);

// StringConcat

BINARYEN_API BinaryenExpressionRef
BinaryenStringConcatGetLeft(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringConcatSetLeft(BinaryenExpressionRef expr,
                                              BinaryenExpressionRef leftExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringConcatGetRight(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringConcatSetRight(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef rightExpr);

// StringEq

BINARYEN_API BinaryenOp BinaryenStringEqGetOp(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEqSetOp(BinaryenExpressionRef expr,
                                        BinaryenOp op);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEqGetLeft(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEqSetLeft(BinaryenExpressionRef expr,
                                          BinaryenExpressionRef leftExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringEqGetRight(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringEqSetRight(BinaryenExpressionRef expr,
                                           BinaryenExpressionRef rightExpr);

// StringWTF16Get

BINARYEN_API BinaryenExpressionRef
BinaryenStringWTF16GetGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringWTF16GetSetRef(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringWTF16GetGetPos(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringWTF16GetSetPos(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef posExpr);

// StringSliceWTF

BINARYEN_API BinaryenExpressionRef
BinaryenStringSliceWTFGetRef(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringSliceWTFSetRef(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef refExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringSliceWTFGetStart(BinaryenExpressionRef expr);
BINARYEN_API void
BinaryenStringSliceWTFSetStart(BinaryenExpressionRef expr,
                               BinaryenExpressionRef startExpr);
BINARYEN_API BinaryenExpressionRef
BinaryenStringSliceWTFGetEnd(BinaryenExpressionRef expr);
BINARYEN_API void BinaryenStringSliceWTFSetEnd(BinaryenExpressionRef expr,
                                               BinaryenExpressionRef endExpr);

// Functions

BINARYEN_REF(Function);

// Adds a function to the module. This is thread-safe.
// @varTypes: the types of variables. In WebAssembly, vars share
//            an index space with params. In other words, params come from
//            the function type, and vars are provided in this call, and
//            together they are all the locals. The order is first params
//            and then vars, so if you have one param it will be at index
//            0 (and written $0), and if you also have 2 vars they will be
//            at indexes 1 and 2, etc., that is, they share an index space.
BINARYEN_API BinaryenFunctionRef
BinaryenAddFunction(BinaryenModuleRef module,
                    const char* name,
                    BinaryenType params,
                    BinaryenType results,
                    BinaryenType* varTypes,
                    BinaryenIndex numVarTypes,
                    BinaryenExpressionRef body);
// As BinaryenAddFunction, but takes a HeapType rather than params and results.
// This lets you set the specific type of the function.
BINARYEN_API BinaryenFunctionRef
BinaryenAddFunctionWithHeapType(BinaryenModuleRef module,
                                const char* name,
                                BinaryenHeapType type,
                                BinaryenType* varTypes,
                                BinaryenIndex numVarTypes,
                                BinaryenExpressionRef body);
// Gets a function reference by name. Returns NULL if the function does not
// exist.
BINARYEN_API BinaryenFunctionRef BinaryenGetFunction(BinaryenModuleRef module,
                                                     const char* name);
// Removes a function by name.
BINARYEN_API void BinaryenRemoveFunction(BinaryenModuleRef module,
                                         const char* name);

// Gets the number of functions in the module.
BINARYEN_API BinaryenIndex BinaryenGetNumFunctions(BinaryenModuleRef module);
// Gets the function at the specified index.
BINARYEN_API BinaryenFunctionRef
BinaryenGetFunctionByIndex(BinaryenModuleRef module, BinaryenIndex index);

// Imports

// These either create a new entity (function/table/memory/etc.) and
// mark it as an import, or, if an entity already exists with internalName then
// the existing entity is turned into an import.

BINARYEN_API void BinaryenAddFunctionImport(BinaryenModuleRef module,
                                            const char* internalName,
                                            const char* externalModuleName,
                                            const char* externalBaseName,
                                            BinaryenType params,
                                            BinaryenType results);
BINARYEN_API void BinaryenAddTableImport(BinaryenModuleRef module,
                                         const char* internalName,
                                         const char* externalModuleName,
                                         const char* externalBaseName);
BINARYEN_API void BinaryenAddMemoryImport(BinaryenModuleRef module,
                                          const char* internalName,
                                          const char* externalModuleName,
                                          const char* externalBaseName,
                                          uint8_t shared);
BINARYEN_API void BinaryenAddGlobalImport(BinaryenModuleRef module,
                                          const char* internalName,
                                          const char* externalModuleName,
                                          const char* externalBaseName,
                                          BinaryenType globalType,
                                          bool mutable_);
BINARYEN_API void BinaryenAddTagImport(BinaryenModuleRef module,
                                       const char* internalName,
                                       const char* externalModuleName,
                                       const char* externalBaseName,
                                       BinaryenType params,
                                       BinaryenType results);

// Memory
BINARYEN_REF(Memory);

// Exports

BINARYEN_REF(Export);

WASM_DEPRECATED BinaryenExportRef BinaryenAddExport(BinaryenModuleRef module,
                                                    const char* internalName,
                                                    const char* externalName);
// Adds a function export to the module.
BINARYEN_API BinaryenExportRef BinaryenAddFunctionExport(
  BinaryenModuleRef module, const char* internalName, const char* externalName);
// Adds a table export to the module.
BINARYEN_API BinaryenExportRef BinaryenAddTableExport(BinaryenModuleRef module,
                                                      const char* internalName,
                                                      const char* externalName);
// Adds a memory export to the module.
BINARYEN_API BinaryenExportRef BinaryenAddMemoryExport(
  BinaryenModuleRef module, const char* internalName, const char* externalName);
// Adds a global export to the module.
BINARYEN_API BinaryenExportRef BinaryenAddGlobalExport(
  BinaryenModuleRef module, const char* internalName, const char* externalName);
// Adds a tag export to the module.
BINARYEN_API BinaryenExportRef BinaryenAddTagExport(BinaryenModuleRef module,
                                                    const char* internalName,
                                                    const char* externalName);
// Gets an export reference by external name. Returns NULL if the export does
// not exist.
BINARYEN_API BinaryenExportRef BinaryenGetExport(BinaryenModuleRef module,
                                                 const char* externalName);
// Removes an export by external name.
BINARYEN_API void BinaryenRemoveExport(BinaryenModuleRef module,
                                       const char* externalName);
// Gets the number of exports in the module.
BINARYEN_API BinaryenIndex BinaryenGetNumExports(BinaryenModuleRef module);
// Gets the export at the specified index.
BINARYEN_API BinaryenExportRef
BinaryenGetExportByIndex(BinaryenModuleRef module, BinaryenIndex index);

// Globals

BINARYEN_REF(Global);

// Adds a global to the module.
BINARYEN_API BinaryenGlobalRef BinaryenAddGlobal(BinaryenModuleRef module,
                                                 const char* name,
                                                 BinaryenType type,
                                                 bool mutable_,
                                                 BinaryenExpressionRef init);
// Gets a global reference by name. Returns NULL if the global does not exist.
BINARYEN_API BinaryenGlobalRef BinaryenGetGlobal(BinaryenModuleRef module,
                                                 const char* name);
// Removes a global by name.
BINARYEN_API void BinaryenRemoveGlobal(BinaryenModuleRef module,
                                       const char* name);
// Gets the number of globals in the module.
BINARYEN_API BinaryenIndex BinaryenGetNumGlobals(BinaryenModuleRef module);
// Gets the global at the specified index.
BINARYEN_API BinaryenGlobalRef
BinaryenGetGlobalByIndex(BinaryenModuleRef module, BinaryenIndex index);

// Tags

BINARYEN_REF(Tag);

// Adds a tag to the module.
BINARYEN_API BinaryenTagRef BinaryenAddTag(BinaryenModuleRef module,
                                           const char* name,
                                           BinaryenType params,
                                           BinaryenType results);
// Gets a tag reference by name. Returns NULL if the tag does not exist.
BINARYEN_API BinaryenTagRef BinaryenGetTag(BinaryenModuleRef module,
                                           const char* name);
// Removes a tag by name.
BINARYEN_API void BinaryenRemoveTag(BinaryenModuleRef module, const char* name);

// Tables

BINARYEN_REF(Table);

BINARYEN_API BinaryenTableRef BinaryenAddTable(BinaryenModuleRef module,
                                               const char* table,
                                               BinaryenIndex initial,
                                               BinaryenIndex maximum,
                                               BinaryenType tableType,
                                               BinaryenExpressionRef init);
BINARYEN_API void BinaryenRemoveTable(BinaryenModuleRef module,
                                      const char* table);
BINARYEN_API BinaryenIndex BinaryenGetNumTables(BinaryenModuleRef module);
BINARYEN_API BinaryenTableRef BinaryenGetTable(BinaryenModuleRef module,
                                               const char* name);
BINARYEN_API BinaryenTableRef BinaryenGetTableByIndex(BinaryenModuleRef module,
                                                      BinaryenIndex index);

// Elem segments

BINARYEN_REF(ElementSegment);

BINARYEN_API BinaryenElementSegmentRef
BinaryenAddActiveElementSegment(BinaryenModuleRef module,
                                const char* table,
                                const char* name,
                                const char** funcNames,
                                BinaryenIndex numFuncNames,
                                BinaryenExpressionRef offset);
BINARYEN_API BinaryenElementSegmentRef
BinaryenAddPassiveElementSegment(BinaryenModuleRef module,
                                 const char* name,
                                 const char** funcNames,
                                 BinaryenIndex numFuncNames);
BINARYEN_API void BinaryenRemoveElementSegment(BinaryenModuleRef module,
                                               const char* name);
BINARYEN_API BinaryenIndex
BinaryenGetNumElementSegments(BinaryenModuleRef module);
BINARYEN_API BinaryenElementSegmentRef
BinaryenGetElementSegment(BinaryenModuleRef module, const char* name);
BINARYEN_API BinaryenElementSegmentRef
BinaryenGetElementSegmentByIndex(BinaryenModuleRef module, BinaryenIndex index);

// This will create a memory, overwriting any existing memory
// Each memory segment has a name in segmentNames, data in segmentDatas,
// a start offset in segmentOffsets, a passive flag in segmentPassives
// and a size in segmentSizes. segmentNames and exportName can be NULL
// If segmentNames is null, BinaryenSetMemory creates names from indices
BINARYEN_API void BinaryenSetMemory(BinaryenModuleRef module,
                                    BinaryenIndex initial,
                                    BinaryenIndex maximum,
                                    const char* exportName,
                                    const char** segmentNames,
                                    const char** segmentDatas,
                                    bool* segmentPassives,
                                    BinaryenExpressionRef* segmentOffsets,
                                    BinaryenIndex* segmentSizes,
                                    BinaryenIndex numSegments,
                                    bool shared,
                                    bool memory64,
                                    const char* name);

BINARYEN_API bool BinaryenHasMemory(BinaryenModuleRef module);
BINARYEN_API BinaryenIndex BinaryenMemoryGetInitial(BinaryenModuleRef module,
                                                    const char* name);
BINARYEN_API bool BinaryenMemoryHasMax(BinaryenModuleRef module,
                                       const char* name);
BINARYEN_API BinaryenIndex BinaryenMemoryGetMax(BinaryenModuleRef module,
                                                const char* name);
BINARYEN_API const char* BinaryenMemoryImportGetModule(BinaryenModuleRef module,
                                                       const char* name);
BINARYEN_API const char* BinaryenMemoryImportGetBase(BinaryenModuleRef module,
                                                     const char* name);
BINARYEN_API bool BinaryenMemoryIsShared(BinaryenModuleRef module,
                                         const char* name);
BINARYEN_API bool BinaryenMemoryIs64(BinaryenModuleRef module,
                                     const char* name);

// Data segments. Query utilities.

BINARYEN_REF(DataSegment);

BINARYEN_API uint32_t BinaryenGetNumDataSegments(BinaryenModuleRef module);
BINARYEN_API BinaryenDataSegmentRef
BinaryenGetDataSegment(BinaryenModuleRef module, const char* segmentName);
BINARYEN_API BinaryenDataSegmentRef
BinaryenGetDataSegmentByIndex(BinaryenModuleRef module, BinaryenIndex index);
BINARYEN_API const char*
BinaryenDataSegmentGetName(BinaryenDataSegmentRef segment);
BINARYEN_API uint32_t BinaryenGetDataSegmentByteOffset(
  BinaryenModuleRef module, BinaryenDataSegmentRef segment);
BINARYEN_API size_t
BinaryenGetDataSegmentByteLength(BinaryenDataSegmentRef segment);
BINARYEN_API bool BinaryenGetDataSegmentPassive(BinaryenDataSegmentRef segment);
BINARYEN_API void BinaryenCopyDataSegmentData(BinaryenDataSegmentRef segment,
                                              char* buffer);
BINARYEN_API void BinaryenAddDataSegment(BinaryenModuleRef module,
                                         const char* segmentName,
                                         const char* memoryName,
                                         bool segmentPassive,
                                         BinaryenExpressionRef segmentOffset,
                                         const char* segmentData,
                                         BinaryenIndex segmentSize);

// Start function. One per module

BINARYEN_API void BinaryenSetStart(BinaryenModuleRef module,
                                   BinaryenFunctionRef start);

BINARYEN_API BinaryenFunctionRef BinaryenGetStart(BinaryenModuleRef module);

// Features

// These control what features are allowed when validation and in passes.
BINARYEN_API BinaryenFeatures
BinaryenModuleGetFeatures(BinaryenModuleRef module);
BINARYEN_API void BinaryenModuleSetFeatures(BinaryenModuleRef module,
                                            BinaryenFeatures features);

//
// ========== Module Operations ==========
//

// Parse a module in s-expression text format, assuming the MVP feature set.
BINARYEN_API BinaryenModuleRef BinaryenModuleParse(const char* text);

// Parse a module in s-expression text format, enabling the given feature set.
BINARYEN_API BinaryenModuleRef
BinaryenModuleParseWithFeatures(const char* text, BinaryenFeatures features);

// Print a module to stdout in s-expression text format. Useful for debugging.
BINARYEN_API void BinaryenModulePrint(BinaryenModuleRef module);

// Print a module to stdout in stack IR text format. Useful for debugging.
BINARYEN_API void BinaryenModulePrintStackIR(BinaryenModuleRef module);

// Print a module to stdout in asm.js syntax.
BINARYEN_API void BinaryenModulePrintAsmjs(BinaryenModuleRef module);

// Validate a module, showing errors on problems.
//  @return 0 if an error occurred, 1 if validated successfully
BINARYEN_API bool BinaryenModuleValidate(BinaryenModuleRef module);

// Runs the standard optimization passes on the module. Uses the currently set
// global optimize and shrink level.
BINARYEN_API void BinaryenModuleOptimize(BinaryenModuleRef module);

// Updates the internal name mapping logic in a module. This must be called
// after renaming module elements.
BINARYEN_API void BinaryenModuleUpdateMaps(BinaryenModuleRef module);

// Gets the currently set optimize level. Applies to all modules, globally.
// 0, 1, 2 correspond to -O0, -O1, -O2 (default), etc.
BINARYEN_API int BinaryenGetOptimizeLevel(void);

// Sets the optimization level to use. Applies to all modules, globally.
// 0, 1, 2 correspond to -O0, -O1, -O2 (default), etc.
BINARYEN_API void BinaryenSetOptimizeLevel(int level);

// Gets the currently set shrink level. Applies to all modules, globally.
// 0, 1, 2 correspond to -O0, -Os (default), -Oz.
BINARYEN_API int BinaryenGetShrinkLevel(void);

// Sets the shrink level to use. Applies to all modules, globally.
// 0, 1, 2 correspond to -O0, -Os (default), -Oz.
BINARYEN_API void BinaryenSetShrinkLevel(int level);

// Gets whether generating debug information is currently enabled or not.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetDebugInfo(void);

// Enables or disables debug information in emitted binaries.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetDebugInfo(bool on);

// Gets whether no traps can be considered reached at runtime when optimizing.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetTrapsNeverHappen(void);

// Enables or disables whether no traps can be considered reached at
// runtime when optimizing. Applies to all modules, globally.
BINARYEN_API void BinaryenSetTrapsNeverHappen(bool on);

// Gets whether considering that the code outside of the module does
// not inspect or interact with GC and function references. Applies to
// all modules, globally.
BINARYEN_API bool BinaryenGetClosedWorld(void);

// Enables or disables whether considering that the code outside of
// the module does not inspect or interact with GC and function
// references. Applies to all modules, globally.
BINARYEN_API void BinaryenSetClosedWorld(bool on);

// Gets whether the low 1K of memory can be considered unused when optimizing.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetLowMemoryUnused(void);

// Enables or disables whether the low 1K of memory can be considered unused
// when optimizing. Applies to all modules, globally.
BINARYEN_API void BinaryenSetLowMemoryUnused(bool on);

// Gets whether to assume that an imported memory is zero-initialized.
BINARYEN_API bool BinaryenGetZeroFilledMemory(void);

// Enables or disables whether to assume that an imported memory is
// zero-initialized.
BINARYEN_API void BinaryenSetZeroFilledMemory(bool on);

// Gets whether fast math optimizations are enabled, ignoring for example
// corner cases of floating-point math like NaN changes.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetFastMath(void);

// Enables or disables fast math optimizations, ignoring for example
// corner cases of floating-point math like NaN changes.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetFastMath(bool value);

// Gets whether to generate StackIR during binary writing.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetGenerateStackIR(void);

// Enable or disable StackIR generation during binary writing.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetGenerateStackIR(bool on);

// Gets whether to optimize StackIR during binary writing.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetOptimizeStackIR(void);

// Enable or disable StackIR optimization during binary writing.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetOptimizeStackIR(bool on);

// Gets the value of the specified arbitrary pass argument.
// Applies to all modules, globally.
BINARYEN_API const char* BinaryenGetPassArgument(const char* name);

// Sets the value of the specified arbitrary pass argument. Removes the
// respective argument if `value` is NULL. Applies to all modules, globally.
BINARYEN_API void BinaryenSetPassArgument(const char* name, const char* value);

// Clears all arbitrary pass arguments.
// Applies to all modules, globally.
BINARYEN_API void BinaryenClearPassArguments();

// Gets whether a pass is in the set of passes to skip.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenHasPassToSkip(const char* pass);

// Add a pass to the set of passes to skip.
// Applies to all modules, globally.
BINARYEN_API void BinaryenAddPassToSkip(const char* pass);

// Clears the set of passes to skip.
// Applies to all modules, globally.
BINARYEN_API void BinaryenClearPassesToSkip(void);

// Gets the function size at which we always inline.
// Applies to all modules, globally.
BINARYEN_API BinaryenIndex BinaryenGetAlwaysInlineMaxSize(void);

// Sets the function size at which we always inline.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetAlwaysInlineMaxSize(BinaryenIndex size);

// Gets the function size which we inline when functions are lightweight.
// Applies to all modules, globally.
BINARYEN_API BinaryenIndex BinaryenGetFlexibleInlineMaxSize(void);

// Sets the function size which we inline when functions are lightweight.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetFlexibleInlineMaxSize(BinaryenIndex size);

// Gets the limit for the combined size of the code after inlining.
// Applies to all modules, globally.
BINARYEN_API BinaryenIndex BinaryenGetMaxCombinedBinarySize(void);

// Sets the limit for the combined size of the code after inlining.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetMaxCombinedBinarySize(BinaryenIndex size);

// Gets the function size which we inline when there is only one caller.
// Applies to all modules, globally.
BINARYEN_API BinaryenIndex BinaryenGetOneCallerInlineMaxSize(void);

// Sets the function size which we inline when there is only one caller.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetOneCallerInlineMaxSize(BinaryenIndex size);

// Gets whether functions with loops are allowed to be inlined.
// Applies to all modules, globally.
BINARYEN_API bool BinaryenGetAllowInliningFunctionsWithLoops(void);

// Sets whether functions with loops are allowed to be inlined.
// Applies to all modules, globally.
BINARYEN_API void BinaryenSetAllowInliningFunctionsWithLoops(bool enabled);

// Runs the specified passes on the module. Uses the currently set global
// optimize and shrink level.
BINARYEN_API void BinaryenModuleRunPasses(BinaryenModuleRef module,
                                          const char** passes,
                                          BinaryenIndex numPasses);

// Serialize a module into binary form. Uses the currently set global debugInfo
// option.
// @return how many bytes were written. This will be less than or equal to
//         outputSize
size_t BINARYEN_API BinaryenModuleWrite(BinaryenModuleRef module,
                                        char* output,
                                        size_t outputSize);

// Serialize a module in s-expression text format.
// @return how many bytes were written. This will be less than or equal to
//         outputSize
BINARYEN_API size_t BinaryenModuleWriteText(BinaryenModuleRef module,
                                            char* output,
                                            size_t outputSize);

// Serialize a module in stack IR text format.
// @return how many bytes were written. This will be less than or equal to
//         outputSize
BINARYEN_API size_t BinaryenModuleWriteStackIR(BinaryenModuleRef module,
                                               char* output,
                                               size_t outputSize);

typedef struct BinaryenBufferSizes {
  size_t outputBytes;
  size_t sourceMapBytes;
} BinaryenBufferSizes;

// Serialize a module into binary form including its source map. Uses the
// currently set global debugInfo option.
// @returns how many bytes were written. This will be less than or equal to
//          outputSize
BINARYEN_API BinaryenBufferSizes
BinaryenModuleWriteWithSourceMap(BinaryenModuleRef module,
                                 const char* url,
                                 char* output,
                                 size_t outputSize,
                                 char* sourceMap,
                                 size_t sourceMapSize);

// Result structure of BinaryenModuleAllocateAndWrite. Contained buffers have
// been allocated using malloc() and the user is expected to free() them
// manually once not needed anymore.
typedef struct BinaryenModuleAllocateAndWriteResult {
  void* binary;
  size_t binaryBytes;
  char* sourceMap;
} BinaryenModuleAllocateAndWriteResult;

// Serializes a module into binary form, optionally including its source map if
// sourceMapUrl has been specified. Uses the currently set global debugInfo
// option. Differs from BinaryenModuleWrite in that it implicitly allocates
// appropriate buffers using malloc(), and expects the user to free() them
// manually once not needed anymore.
BINARYEN_API BinaryenModuleAllocateAndWriteResult
BinaryenModuleAllocateAndWrite(BinaryenModuleRef module,
                               const char* sourceMapUrl);

// Serialize a module in s-expression form. Implicitly allocates the returned
// char* with malloc(), and expects the user to free() them manually
// once not needed anymore.
BINARYEN_API char* BinaryenModuleAllocateAndWriteText(BinaryenModuleRef module);

// Serialize a module in stack IR form. Implicitly allocates the returned
// char* with malloc(), and expects the user to free() them manually
// once not needed anymore.
BINARYEN_API char*
BinaryenModuleAllocateAndWriteStackIR(BinaryenModuleRef module);

// Deserialize a module from binary form, assuming the MVP feature set.
BINARYEN_API BinaryenModuleRef BinaryenModuleRead(char* input,
                                                  size_t inputSize);

// Deserialize a module from binary form, enabling the given feature set.
BINARYEN_API BinaryenModuleRef BinaryenModuleReadWithFeatures(
  char* input, size_t inputSize, BinaryenFeatures featureSet);

// Execute a module in the Binaryen interpreter. This will create an instance of
// the module, run it in the interpreter - which means running the start method
// - and then destroying the instance.
BINARYEN_API void BinaryenModuleInterpret(BinaryenModuleRef module);

// Adds a debug info file name to the module and returns its index.
BINARYEN_API BinaryenIndex BinaryenModuleAddDebugInfoFileName(
  BinaryenModuleRef module, const char* filename);

// Gets the name of the debug info file at the specified index. Returns `NULL`
// if it does not exist.
BINARYEN_API const char*
BinaryenModuleGetDebugInfoFileName(BinaryenModuleRef module,
                                   BinaryenIndex index);

//
// ========== Function Operations ==========
//

// Gets the name of the specified `Function`.
BINARYEN_API const char* BinaryenFunctionGetName(BinaryenFunctionRef func);
// Gets the type of the parameter at the specified index of the specified
// `Function`.
BINARYEN_API BinaryenType BinaryenFunctionGetParams(BinaryenFunctionRef func);
// Gets the result type of the specified `Function`.
BINARYEN_API BinaryenType BinaryenFunctionGetResults(BinaryenFunctionRef func);
// Gets the number of additional locals within the specified `Function`.
BINARYEN_API BinaryenIndex BinaryenFunctionGetNumVars(BinaryenFunctionRef func);
// Gets the type of the additional local at the specified index within the
// specified `Function`.
BINARYEN_API BinaryenType BinaryenFunctionGetVar(BinaryenFunctionRef func,
                                                 BinaryenIndex index);
// Appends a local variable to the specified `Function`, returning its
// index.
BINARYEN_API BinaryenIndex BinaryenFunctionAddVar(BinaryenFunctionRef func,
                                                  BinaryenType type);
// Gets the number of locals within the specified function. Includes parameters.
BINARYEN_API BinaryenIndex
BinaryenFunctionGetNumLocals(BinaryenFunctionRef func);
// Tests if the local at the specified index has a name.
BINARYEN_API bool BinaryenFunctionHasLocalName(BinaryenFunctionRef func,
                                               BinaryenIndex index);
// Gets the name of the local at the specified index.
BINARYEN_API const char* BinaryenFunctionGetLocalName(BinaryenFunctionRef func,
                                                      BinaryenIndex index);
// Sets the name of the local at the specified index.
BINARYEN_API void BinaryenFunctionSetLocalName(BinaryenFunctionRef func,
                                               BinaryenIndex index,
                                               const char* name);
// Gets the body of the specified `Function`.
BINARYEN_API BinaryenExpressionRef
BinaryenFunctionGetBody(BinaryenFunctionRef func);
// Sets the body of the specified `Function`.
BINARYEN_API void BinaryenFunctionSetBody(BinaryenFunctionRef func,
                                          BinaryenExpressionRef body);
// Gets the type of the specified `Function`.
BINARYEN_API BinaryenHeapType BinaryenFunctionGetType(BinaryenFunctionRef func);
// Sets the type of the specified `Function`.
BINARYEN_API void BinaryenFunctionSetType(BinaryenFunctionRef func,
                                          BinaryenHeapType type);

// Runs the standard optimization passes on the function. Uses the currently set
// global optimize and shrink level.
BINARYEN_API void BinaryenFunctionOptimize(BinaryenFunctionRef func,
                                           BinaryenModuleRef module);

// Runs the specified passes on the function. Uses the currently set global
// optimize and shrink level.
BINARYEN_API void BinaryenFunctionRunPasses(BinaryenFunctionRef func,
                                            BinaryenModuleRef module,
                                            const char** passes,
                                            BinaryenIndex numPasses);

// Sets the debug location of the specified `Expression` within the specified
// `Function`.
BINARYEN_API void BinaryenFunctionSetDebugLocation(BinaryenFunctionRef func,
                                                   BinaryenExpressionRef expr,
                                                   BinaryenIndex fileIndex,
                                                   BinaryenIndex lineNumber,
                                                   BinaryenIndex columnNumber);

//
// ========== Table Operations ==========
//

// Gets the name of the specified `Table`.
BINARYEN_API const char* BinaryenTableGetName(BinaryenTableRef table);
// Sets the name of the specified `Table`.
BINARYEN_API void BinaryenTableSetName(BinaryenTableRef table,
                                       const char* name);
// Gets the initial number of pages of the specified `Table`.
BINARYEN_API BinaryenIndex BinaryenTableGetInitial(BinaryenTableRef table);
// Sets the initial number of pages of the specified `Table`.
BINARYEN_API void BinaryenTableSetInitial(BinaryenTableRef table,
                                          BinaryenIndex initial);
// Tests whether the specified `Table` has a maximum number of pages.
BINARYEN_API bool BinaryenTableHasMax(BinaryenTableRef table);
// Gets the maximum number of pages of the specified `Table`.
BINARYEN_API BinaryenIndex BinaryenTableGetMax(BinaryenTableRef table);
// Sets the maximum number of pages of the specified `Table`.
BINARYEN_API void BinaryenTableSetMax(BinaryenTableRef table,
                                      BinaryenIndex max);
// Gets the table type of the specified `Table`.
BINARYEN_API BinaryenType BinaryenTableGetType(BinaryenTableRef table);
// Sets the table type of the specified `Table`.
BINARYEN_API void BinaryenTableSetType(BinaryenTableRef table,
                                       BinaryenType tableType);

//
// ========== Elem Segment Operations ==========
//

// Gets the name of the specified `ElementSegment`.
BINARYEN_API const char*
BinaryenElementSegmentGetName(BinaryenElementSegmentRef elem);
// Sets the name of the specified `ElementSegment`.
BINARYEN_API void BinaryenElementSegmentSetName(BinaryenElementSegmentRef elem,
                                                const char* name);
// Gets the table name of the specified `ElementSegment`.
BINARYEN_API const char*
BinaryenElementSegmentGetTable(BinaryenElementSegmentRef elem);
// Sets the table name of the specified `ElementSegment`.
BINARYEN_API void BinaryenElementSegmentSetTable(BinaryenElementSegmentRef elem,
                                                 const char* table);
// Gets the segment offset in case of active segments
BINARYEN_API BinaryenExpressionRef
BinaryenElementSegmentGetOffset(BinaryenElementSegmentRef elem);
// Gets the length of items in the segment
BINARYEN_API BinaryenIndex
BinaryenElementSegmentGetLength(BinaryenElementSegmentRef elem);
// Gets the item at the specified index
BINARYEN_API const char*
BinaryenElementSegmentGetData(BinaryenElementSegmentRef elem,
                              BinaryenIndex dataId);
// Returns true if the specified elem segment is passive
BINARYEN_API bool
BinaryenElementSegmentIsPassive(BinaryenElementSegmentRef elem);

//
// ========== Global Operations ==========
//

// Gets the name of the specified `Global`.
BINARYEN_API const char* BinaryenGlobalGetName(BinaryenGlobalRef global);
// Gets the name of the `GlobalType` associated with the specified `Global`. May
// be `NULL` if the signature is implicit.
BINARYEN_API BinaryenType BinaryenGlobalGetType(BinaryenGlobalRef global);
// Returns true if the specified `Global` is mutable.
BINARYEN_API bool BinaryenGlobalIsMutable(BinaryenGlobalRef global);
// Gets the initialization expression of the specified `Global`.
BINARYEN_API BinaryenExpressionRef
BinaryenGlobalGetInitExpr(BinaryenGlobalRef global);

//
// ========== Tag Operations ==========
//

// Gets the name of the specified `Tag`.
BINARYEN_API const char* BinaryenTagGetName(BinaryenTagRef tag);
// Gets the parameters type of the specified `Tag`.
BINARYEN_API BinaryenType BinaryenTagGetParams(BinaryenTagRef tag);
// Gets the results type of the specified `Tag`.
BINARYEN_API BinaryenType BinaryenTagGetResults(BinaryenTagRef tag);

//
// ========== Import Operations ==========
//

// Gets the external module name of the specified import.
BINARYEN_API const char*
BinaryenFunctionImportGetModule(BinaryenFunctionRef import);
BINARYEN_API const char* BinaryenTableImportGetModule(BinaryenTableRef import);
BINARYEN_API const char*
BinaryenGlobalImportGetModule(BinaryenGlobalRef import);
BINARYEN_API const char* BinaryenTagImportGetModule(BinaryenTagRef import);
// Gets the external base name of the specified import.
BINARYEN_API const char*
BinaryenFunctionImportGetBase(BinaryenFunctionRef import);
BINARYEN_API const char* BinaryenTableImportGetBase(BinaryenTableRef import);
BINARYEN_API const char* BinaryenGlobalImportGetBase(BinaryenGlobalRef import);
BINARYEN_API const char* BinaryenTagImportGetBase(BinaryenTagRef import);

//
// ========== Export Operations ==========
//

// Gets the external kind of the specified export.
BINARYEN_API BinaryenExternalKind
BinaryenExportGetKind(BinaryenExportRef export_);
// Gets the external name of the specified export.
BINARYEN_API const char* BinaryenExportGetName(BinaryenExportRef export_);
// Gets the internal name of the specified export.
BINARYEN_API const char* BinaryenExportGetValue(BinaryenExportRef export_);

//
// ========= Custom sections =========
//

BINARYEN_API void BinaryenAddCustomSection(BinaryenModuleRef module,
                                           const char* name,
                                           const char* contents,
                                           BinaryenIndex contentsSize);

//
// ========= Effect analyzer =========
//

typedef uint32_t BinaryenSideEffects;

BINARYEN_API BinaryenSideEffects BinaryenSideEffectNone(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectBranches(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectCalls(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectReadsLocal(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectWritesLocal(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectReadsGlobal(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectWritesGlobal(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectReadsMemory(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectWritesMemory(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectReadsTable(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectWritesTable(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectImplicitTrap(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectTrapsNeverHappen(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectIsAtomic(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectThrows(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectDanglingPop(void);
BINARYEN_API BinaryenSideEffects BinaryenSideEffectAny(void);

BINARYEN_API BinaryenSideEffects BinaryenExpressionGetSideEffects(
  BinaryenExpressionRef expr, BinaryenModuleRef module);

//
// ========== CFG / Relooper ==========
//
// General usage is (1) create a relooper, (2) create blocks, (3) add
// branches between them, (4) render the output.
//
// For more details, see src/cfg/Relooper.h and
// https://github.com/WebAssembly/binaryen/wiki/Compiling-to-WebAssembly-with-Binaryen#cfg-api

#ifdef __cplusplus
namespace CFG {
struct Relooper;
struct Block;
} // namespace CFG
typedef struct CFG::Relooper* RelooperRef;
typedef struct CFG::Block* RelooperBlockRef;
#else
typedef struct Relooper* RelooperRef;
typedef struct RelooperBlock* RelooperBlockRef;
#endif

// Create a relooper instance
BINARYEN_API RelooperRef RelooperCreate(BinaryenModuleRef module);

// Create a basic block that ends with nothing, or with some simple branching
BINARYEN_API RelooperBlockRef RelooperAddBlock(RelooperRef relooper,
                                               BinaryenExpressionRef code);

// Create a branch to another basic block
// The branch can have code on it, that is executed as the branch happens. this
// is useful for phis. otherwise, code can be NULL
BINARYEN_API void RelooperAddBranch(RelooperBlockRef from,
                                    RelooperBlockRef to,
                                    BinaryenExpressionRef condition,
                                    BinaryenExpressionRef code);

// Create a basic block that ends a switch on a condition
BINARYEN_API RelooperBlockRef
RelooperAddBlockWithSwitch(RelooperRef relooper,
                           BinaryenExpressionRef code,
                           BinaryenExpressionRef condition);

// Create a switch-style branch to another basic block. The block's switch table
// will have these indexes going to that target
BINARYEN_API void RelooperAddBranchForSwitch(RelooperBlockRef from,
                                             RelooperBlockRef to,
                                             BinaryenIndex* indexes,
                                             BinaryenIndex numIndexes,
                                             BinaryenExpressionRef code);

// Generate structed wasm control flow from the CFG of blocks and branches that
// were created on this relooper instance. This returns the rendered output, and
// also disposes of the relooper and its blocks and branches, as they are no
// longer needed.
// @param labelHelper To render irreducible control flow, we may need a helper
//        variable to guide us to the right target label. This value should be
//        an index of an i32 local variable that is free for us to use.
BINARYEN_API BinaryenExpressionRef RelooperRenderAndDispose(
  RelooperRef relooper, RelooperBlockRef entry, BinaryenIndex labelHelper);

//
// ========= ExpressionRunner ==========
//

#ifdef __cplusplus
namespace wasm {
class CExpressionRunner;
} // namespace wasm
typedef class wasm::CExpressionRunner* ExpressionRunnerRef;
#else
typedef struct CExpressionRunner* ExpressionRunnerRef;
#endif

typedef uint32_t ExpressionRunnerFlags;

// By default, just evaluate the expression, i.e. all we want to know is whether
// it computes down to a concrete value, where it is not necessary to preserve
// side effects like those of a `local.tee`.
BINARYEN_API ExpressionRunnerFlags ExpressionRunnerFlagsDefault();

// Be very careful to preserve any side effects. For example, if we are
// intending to replace the expression with a constant afterwards, even if we
// can technically evaluate down to a constant, we still cannot replace the
// expression if it also sets a local, which must be preserved in this scenario
// so subsequent code keeps functioning.
BINARYEN_API ExpressionRunnerFlags ExpressionRunnerFlagsPreserveSideeffects();

// Creates an ExpressionRunner instance
BINARYEN_API ExpressionRunnerRef
ExpressionRunnerCreate(BinaryenModuleRef module,
                       ExpressionRunnerFlags flags,
                       BinaryenIndex maxDepth,
                       BinaryenIndex maxLoopIterations);

// Sets a known local value to use. Order matters if expressions have side
// effects. For example, if the expression also sets a local, this side effect
// will also happen (not affected by any flags). Returns `true` if the
// expression actually evaluates to a constant.
BINARYEN_API bool ExpressionRunnerSetLocalValue(ExpressionRunnerRef runner,
                                                BinaryenIndex index,
                                                BinaryenExpressionRef value);

// Sets a known global value to use. Order matters if expressions have side
// effects. For example, if the expression also sets a local, this side effect
// will also happen (not affected by any flags). Returns `true` if the
// expression actually evaluates to a constant.
BINARYEN_API bool ExpressionRunnerSetGlobalValue(ExpressionRunnerRef runner,
                                                 const char* name,
                                                 BinaryenExpressionRef value);

// Runs the expression and returns the constant value expression it evaluates
// to, if any. Otherwise returns `NULL`. Also disposes the runner.
BINARYEN_API BinaryenExpressionRef ExpressionRunnerRunAndDispose(
  ExpressionRunnerRef runner, BinaryenExpressionRef expr);

//
// ========= TypeBuilder =========
//

#ifdef __cplusplus
namespace wasm {
struct TypeBuilder;
} // namespace wasm
typedef struct wasm::TypeBuilder* TypeBuilderRef;
#else
typedef struct TypeBuilder* TypeBuilderRef;
#endif

typedef uint32_t TypeBuilderErrorReason;

// Indicates a cycle in the supertype relation.
BINARYEN_API TypeBuilderErrorReason TypeBuilderErrorReasonSelfSupertype(void);
// Indicates that the declared supertype of a type is invalid.
BINARYEN_API TypeBuilderErrorReason
TypeBuilderErrorReasonInvalidSupertype(void);
// Indicates that the declared supertype is an invalid forward reference.
BINARYEN_API TypeBuilderErrorReason
TypeBuilderErrorReasonForwardSupertypeReference(void);
// Indicates that a child of a type is an invalid forward reference.
BINARYEN_API TypeBuilderErrorReason
TypeBuilderErrorReasonForwardChildReference(void);

typedef uint32_t BinaryenBasicHeapType;

// Constructs a new type builder that allows for the construction of recursive
// types. Contains a table of `size` mutable heap types.
BINARYEN_API TypeBuilderRef TypeBuilderCreate(BinaryenIndex size);
// Grows the backing table of the type builder by `count` slots.
BINARYEN_API void TypeBuilderGrow(TypeBuilderRef builder, BinaryenIndex count);
// Gets the size of the backing table of the type builder.
BINARYEN_API BinaryenIndex TypeBuilderGetSize(TypeBuilderRef builder);
// Sets the heap type at index `index` to a concrete signature type. Expects
// temporary tuple types if multiple parameter and/or result types include
// temporary types.
BINARYEN_API void TypeBuilderSetSignatureType(TypeBuilderRef builder,
                                              BinaryenIndex index,
                                              BinaryenType paramTypes,
                                              BinaryenType resultTypes);
// Sets the heap type at index `index` to a concrete struct type.
BINARYEN_API void TypeBuilderSetStructType(TypeBuilderRef builder,
                                           BinaryenIndex index,
                                           BinaryenType* fieldTypes,
                                           BinaryenPackedType* fieldPackedTypes,
                                           bool* fieldMutables,
                                           int numFields);
// Sets the heap type at index `index` to a concrete array type.
BINARYEN_API void TypeBuilderSetArrayType(TypeBuilderRef builder,
                                          BinaryenIndex index,
                                          BinaryenType elementType,
                                          BinaryenPackedType elementPackedType,
                                          int elementMutable);
// Gets the temporary heap type to use at index `index`. Temporary heap types
// may only be used to construct temporary types using the type builder.
BINARYEN_API BinaryenHeapType TypeBuilderGetTempHeapType(TypeBuilderRef builder,
                                                         BinaryenIndex index);
// Gets a temporary tuple type for use with and owned by the type builder.
BINARYEN_API BinaryenType TypeBuilderGetTempTupleType(TypeBuilderRef builder,
                                                      BinaryenType* types,
                                                      BinaryenIndex numTypes);
// Gets a temporary reference type for use with and owned by the type builder.
BINARYEN_API BinaryenType TypeBuilderGetTempRefType(TypeBuilderRef builder,
                                                    BinaryenHeapType heapType,
                                                    int nullable);
// Sets the type at `index` to be a subtype of the given super type.
BINARYEN_API void TypeBuilderSetSubType(TypeBuilderRef builder,
                                        BinaryenIndex index,
                                        BinaryenHeapType superType);
// Sets the type at `index` to be open (i.e. non-final).
BINARYEN_API void TypeBuilderSetOpen(TypeBuilderRef builder,
                                     BinaryenIndex index);
// Creates a new recursion group in the range `index` inclusive to `index +
// length` exclusive. Recursion groups must not overlap.
BINARYEN_API void TypeBuilderCreateRecGroup(TypeBuilderRef builder,
                                            BinaryenIndex index,
                                            BinaryenIndex length);
// Builds the heap type hierarchy and disposes the builder. Returns `false` and
// populates `errorIndex` and `errorReason` on failure.
BINARYEN_API bool
TypeBuilderBuildAndDispose(TypeBuilderRef builder,
                           BinaryenHeapType* heapTypes,
                           BinaryenIndex* errorIndex,
                           TypeBuilderErrorReason* errorReason);

// Sets the textual name of a compound `heapType`. Has no effect if the type
// already has a canonical name.
BINARYEN_API void BinaryenModuleSetTypeName(BinaryenModuleRef module,
                                            BinaryenHeapType heapType,
                                            const char* name);
// Sets the field name of a struct `heapType` at index `index`.
BINARYEN_API void BinaryenModuleSetFieldName(BinaryenModuleRef module,
                                             BinaryenHeapType heapType,
                                             BinaryenIndex index,
                                             const char* name);

//
// ========= Utilities =========
//

// Enable or disable coloring for the Wasm printer
BINARYEN_API void BinaryenSetColorsEnabled(bool enabled);

// Query whether color is enable for the Wasm printer
BINARYEN_API bool BinaryenAreColorsEnabled();
#ifdef __cplusplus
} // extern "C"
#endif

#endif // wasm_binaryen_c_h