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gyp: add compile_commands.json gyp generator

this is a re-base of the gyp part of
3c46bb9
after bumping GYP version to
https://chromium.googlesource.com/external/gyp/+/eb296f67da078ec01f5e3a9ea9cdc6d26d680161

Original-Review-By: James M Snell <jasnell@gmail.com>
Ref: #7986
PR-URL: #12450
Reviewed-By: João Reis <reis@janeasystems.com>
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bnoordhuis authored and MylesBorins committed Aug 5, 2016
1 parent 7eb3679 commit 538894978b3be7a402eadba844d03295f66a1942
Showing with 115 additions and 0 deletions.
  1. +115 −0 tools/gyp/pylib/gyp/generator/compile_commands_json.py
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# Copyright (c) 2016 Ben Noordhuis <info@bnoordhuis.nl>. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import gyp.common
import gyp.xcode_emulation
import json
import os
generator_additional_non_configuration_keys = []
generator_additional_path_sections = []
generator_extra_sources_for_rules = []
generator_filelist_paths = None
generator_supports_multiple_toolsets = True
generator_wants_sorted_dependencies = False
# Lifted from make.py. The actual values don't matter much.
generator_default_variables = {
'CONFIGURATION_NAME': '$(BUILDTYPE)',
'EXECUTABLE_PREFIX': '',
'EXECUTABLE_SUFFIX': '',
'INTERMEDIATE_DIR': '$(obj).$(TOOLSET)/$(TARGET)/geni',
'PRODUCT_DIR': '$(builddir)',
'RULE_INPUT_DIRNAME': '%(INPUT_DIRNAME)s',
'RULE_INPUT_EXT': '$(suffix $<)',
'RULE_INPUT_NAME': '$(notdir $<)',
'RULE_INPUT_PATH': '$(abspath $<)',
'RULE_INPUT_ROOT': '%(INPUT_ROOT)s',
'SHARED_INTERMEDIATE_DIR': '$(obj)/gen',
'SHARED_LIB_PREFIX': 'lib',
'STATIC_LIB_PREFIX': 'lib',
'STATIC_LIB_SUFFIX': '.a',
}
def IsMac(params):
return 'mac' == gyp.common.GetFlavor(params)
def CalculateVariables(default_variables, params):
default_variables.setdefault('OS', gyp.common.GetFlavor(params))
def AddCommandsForTarget(cwd, target, params, per_config_commands):
output_dir = params['generator_flags']['output_dir']
for configuration_name, configuration in target['configurations'].iteritems():
builddir_name = os.path.join(output_dir, configuration_name)
if IsMac(params):
xcode_settings = gyp.xcode_emulation.XcodeSettings(target)
cflags = xcode_settings.GetCflags(configuration_name)
cflags_c = xcode_settings.GetCflagsC(configuration_name)
cflags_cc = xcode_settings.GetCflagsCC(configuration_name)
else:
cflags = configuration.get('cflags', [])
cflags_c = configuration.get('cflags_c', [])
cflags_cc = configuration.get('cflags_cc', [])
cflags_c = cflags + cflags_c
cflags_cc = cflags + cflags_cc
defines = configuration.get('defines', [])
defines = ['-D' + s for s in defines]
# TODO(bnoordhuis) Handle generated source files.
sources = target.get('sources', [])
sources = [s for s in sources if s.endswith('.c') or s.endswith('.cc')]
def resolve(filename):
return os.path.abspath(os.path.join(cwd, filename))
# TODO(bnoordhuis) Handle generated header files.
include_dirs = configuration.get('include_dirs', [])
include_dirs = [s for s in include_dirs if not s.startswith('$(obj)')]
includes = ['-I' + resolve(s) for s in include_dirs]
defines = gyp.common.EncodePOSIXShellList(defines)
includes = gyp.common.EncodePOSIXShellList(includes)
cflags_c = gyp.common.EncodePOSIXShellList(cflags_c)
cflags_cc = gyp.common.EncodePOSIXShellList(cflags_cc)
commands = per_config_commands.setdefault(configuration_name, [])
for source in sources:
file = resolve(source)
isc = source.endswith('.c')
cc = 'cc' if isc else 'c++'
cflags = cflags_c if isc else cflags_cc
command = ' '.join((cc, defines, includes, cflags,
'-c', gyp.common.EncodePOSIXShellArgument(file)))
commands.append(dict(command=command, directory=output_dir, file=file))
def GenerateOutput(target_list, target_dicts, data, params):
per_config_commands = {}
for qualified_target, target in target_dicts.iteritems():
build_file, target_name, toolset = (
gyp.common.ParseQualifiedTarget(qualified_target))
if IsMac(params):
settings = data[build_file]
gyp.xcode_emulation.MergeGlobalXcodeSettingsToSpec(settings, target)
cwd = os.path.dirname(build_file)
AddCommandsForTarget(cwd, target, params, per_config_commands)
output_dir = params['generator_flags']['output_dir']
for configuration_name, commands in per_config_commands.iteritems():
filename = os.path.join(output_dir,
configuration_name,
'compile_commands.json')
gyp.common.EnsureDirExists(filename)
fp = open(filename, 'w')
json.dump(commands, fp=fp, indent=0, check_circular=False)
def PerformBuild(data, configurations, params):
pass

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