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