| // Copyright 2019 The Chromium Authors. All rights reserved. |
| |
| // This proto description is adapted from the one used in clang-proto-fuzzer. |
| |
| syntax = "proto2"; |
| package fuzzing; |
| |
| // TODO(nedwill): fuzz the following features |
| // function prototypes |
| // (in)variance |
| // structs |
| // interface blocks |
| // swizzles |
| // all binary operators |
| // all unary operators |
| // all ternary operators |
| // switch/case statements |
| // loops |
| // branches (case, break, continue, return, kill) |
| // preprocessor directives |
| |
| enum Var { |
| VAR_0 = 0; |
| VAR_1 = 1; |
| VAR_2 = 2; |
| VAR_3 = 3; |
| } |
| |
| message Lvalue { |
| optional Var var = 1; |
| } |
| |
| message Const { |
| optional int32 val = 1; |
| } |
| |
| message BinaryOp { |
| enum Op { |
| // TODO: actually use ops from GLSL spec, not c++ |
| PLUS = 0; |
| MINUS = 1; |
| MUL = 2; |
| DIV = 3; |
| MOD = 4; |
| XOR = 5; |
| AND = 6; |
| OR = 7; |
| EQ = 8; |
| NE = 9; |
| LE = 10; |
| GE = 11; |
| LT = 12; |
| GT = 13; |
| }; |
| optional Op op = 1; |
| optional Rvalue left = 2; |
| optional Rvalue right = 3; |
| } |
| |
| message Declare { |
| optional Type type = 1; |
| optional Var var = 2; |
| } |
| |
| message Rvalue { |
| oneof rvalue { |
| Var var = 1; |
| Const cons = 2; |
| BinaryOp binary_op = 3; |
| } |
| } |
| |
| message Assignment { |
| optional Lvalue lvalue = 1; |
| optional Rvalue rvalue = 2; |
| } |
| |
| message IfElse { |
| optional Rvalue cond = 1; |
| optional Block if_body = 2; |
| optional Block else_body = 3; |
| } |
| |
| message While { |
| optional Rvalue cond = 1; |
| optional Block body = 2; |
| } |
| |
| message Statement { |
| oneof statement { |
| Assignment assignment = 1; |
| IfElse ifelse = 2; |
| While while_stmt = 3; |
| Rvalue return_stmt = 4; |
| Declare declare = 5; |
| } |
| } |
| |
| enum FunctionName { |
| MAIN = 0; |
| NAME_1 = 1; |
| NAME_2 = 2; |
| NAME_3 = 3; |
| } |
| |
| message Block { |
| repeated Statement statements = 1; |
| } |
| |
| enum Type { |
| // Use suffix to avoid clashing with VOID define on Windows |
| VOID_TYPE = 0; |
| INT = 1; |
| } |
| |
| message Function { |
| optional FunctionName function_name = 1; |
| optional Block block = 2; |
| optional Rvalue return_stmt = 3; |
| optional Type type = 4; |
| } |
| |
| message Shader { |
| repeated Function functions = 1; |
| } |
| |
| message Session { |
| optional Shader vertex_shader = 1; |
| optional Shader fragment_shader = 2; |
| } |