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Editing: compile_commands_json.py

# 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'].items():
    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.items():
    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.items():
    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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