Skip to content

Commit

Permalink
tools: add compile_commands.json gyp generator
Browse files Browse the repository at this point in the history
Add a compile_commands.json generator for use with clang-based tooling.

Pass the (undocumented) -C switch to configure to make it generate the
files in out/Debug and out/Release.

PR-URL: #7986
Reviewed-By: James M Snell <jasnell@gmail.com>
  • Loading branch information
bnoordhuis authored and italoacasas committed Feb 14, 2017
1 parent 5d2ba44 commit 7e465b9
Show file tree
Hide file tree
Showing 2 changed files with 124 additions and 0 deletions.
9 changes: 9 additions & 0 deletions configure
Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,12 @@ parser.add_option('--without-bundled-v8',
help='do not use V8 includes from the bundled deps folder. ' +
'(This mode is not officially supported for regular applications)')

# Create compile_commands.json in out/Debug and out/Release.
parser.add_option('-C',
action='store_true',
dest='compile_commands_json',
help=optparse.SUPPRESS_HELP)

(options, args) = parser.parse_args()

# Expand ~ in the install prefix now, it gets written to multiple files.
Expand Down Expand Up @@ -1360,6 +1366,9 @@ elif flavor == 'win' and sys.platform != 'msys':
else:
gyp_args += ['-f', 'make-' + flavor]

if options.compile_commands_json:
gyp_args += ['-f', 'compile_commands_json']

gyp_args += args

if warn.warned:
Expand Down
115 changes: 115 additions & 0 deletions tools/gyp/pylib/gyp/generator/compile_commands_json.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
# 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

0 comments on commit 7e465b9

Please sign in to comment.