blob: 41c0580c7abceaeb42c9c5e6e5fafb7cd7e0b76b [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2020 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
Creates a "compile_commands.json" file for V8, for the needs of clangd and
similar code indexers. Also updates generated C++ sources, and compiles the
Torque Language Server, for a complete code indexing experience.
import json
import os
import subprocess
import sys
PYLIB_PATH = 'tools/clang/pylib'
GM_PATH = 'tools/dev'
PYLIB_CHECK = os.path.join(PYLIB_PATH, 'clang', '')
GM_CHECK = os.path.join(GM_PATH, '')
def CheckRelativeImport(path):
if not os.path.exists(path):
print("Error: Please run this script from the root of a V8 checkout. %s "
"must be a valid relative path." % path)
sys.path.insert(0, PYLIB_PATH)
from clang import compile_db
sys.path.insert(0, GM_PATH)
import gm
def _Call(cmd, silent=False):
if not silent: print("# %s" % cmd)
return, shell=True)
def _Write(filename, content):
with open(filename, "w") as f:
def PrepareBuildDir(arch, mode):
build_dir = os.path.join("out", "%s.%s" % (arch, mode))
if not os.path.exists(build_dir):
print("# mkdir -p %s" % build_dir)
args_gn = os.path.join(build_dir, "")
if not os.path.exists(args_gn):
conf = gm.Config(arch, mode, [])
_Write(args_gn, conf.GetGnArgs())
build_ninja = os.path.join(build_dir, "")
if not os.path.exists(build_ninja):
code = _Call("gn gen %s" % build_dir)
if code != 0: raise Error("gn gen failed")
_Call("ninja -C %s" % build_dir)
return build_dir
def AddTargetsForArch(arch, combined):
build_dir = PrepareBuildDir(arch, "debug")
commands = compile_db.ProcessCompileDatabaseIfNeeded(
compile_db.GenerateWithNinja(build_dir, ["all"]))
added = 0
for c in commands:
key = c["file"]
if key not in combined:
combined[key] = c
added += 1
print("%s: added %d compile commands" % (arch, added))
def UpdateCompileCommands():
print(">>> Updating compile_commands.json...")
combined = {}
AddTargetsForArch("x64", combined)
AddTargetsForArch("ia32", combined)
AddTargetsForArch("arm", combined)
AddTargetsForArch("arm64", combined)
commands = []
for key in combined:
_Write("compile_commands.json", json.dumps(commands, indent=2))
def CompileLanguageServer():
print(">>> Compiling Torque Language Server...")
PrepareBuildDir("x64", "release")
_Call("autoninja -C out/x64.release torque-language-server")
def GenerateCCFiles():
print(">>> Generating generated C++ source files...")
# This must be called after UpdateCompileCommands().
assert os.path.exists("out/x64.debug/")
_Call("autoninja -C out/x64.debug v8_generated_cc_files")
def StartGoma():
gomadir = gm.DetectGoma()
if (gomadir is not None and
_Call("ps -e | grep compiler_proxy > /dev/null", silent=True) != 0):
_Call("%s/ ensure_start" % gomadir)
if __name__ == "__main__":