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2357 lines
94 KiB
2357 lines
94 KiB
#!/usr/bin/python
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# Copyright (c) 2011 The Chromium 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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from compiler.ast import Const
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from compiler.ast import Dict
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from compiler.ast import Discard
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from compiler.ast import List
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from compiler.ast import Module
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from compiler.ast import Node
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from compiler.ast import Stmt
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import compiler
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import copy
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import gyp.common
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import optparse
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import os.path
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import re
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import shlex
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import subprocess
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import sys
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# A list of types that are treated as linkable.
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linkable_types = ['executable', 'shared_library', 'loadable_module']
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# A list of sections that contain links to other targets.
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dependency_sections = ['dependencies', 'export_dependent_settings']
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# base_path_sections is a list of sections defined by GYP that contain
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# pathnames. The generators can provide more keys, the two lists are merged
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# into path_sections, but you should call IsPathSection instead of using either
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# list directly.
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base_path_sections = [
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'destination',
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'files',
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'include_dirs',
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'inputs',
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'libraries',
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'outputs',
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'sources',
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]
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path_sections = []
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def IsPathSection(section):
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# If section ends in one of these characters, it's applied to a section
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# without the trailing characters. '/' is notably absent from this list,
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# because there's no way for a regular expression to be treated as a path.
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while section[-1:] in ('=', '+', '?', '!'):
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section = section[0:-1]
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if section in path_sections or \
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section.endswith('_dir') or section.endswith('_dirs') or \
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section.endswith('_file') or section.endswith('_files') or \
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section.endswith('_path') or section.endswith('_paths'):
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return True
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return False
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# base_non_configuraiton_keys is a list of key names that belong in the target
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# itself and should not be propagated into its configurations. It is merged
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# with a list that can come from the generator to
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# create non_configuration_keys.
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base_non_configuration_keys = [
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# Sections that must exist inside targets and not configurations.
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'actions',
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'configurations',
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'copies',
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'default_configuration',
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'dependencies',
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'dependencies_original',
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'link_languages',
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'libraries',
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'postbuilds',
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'product_dir',
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'product_extension',
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'product_name',
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'product_prefix',
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'rules',
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'run_as',
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'sources',
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'suppress_wildcard',
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'target_name',
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'toolset',
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'toolsets',
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'type',
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'variants',
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# Sections that can be found inside targets or configurations, but that
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# should not be propagated from targets into their configurations.
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'variables',
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]
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non_configuration_keys = []
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# Keys that do not belong inside a configuration dictionary.
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invalid_configuration_keys = [
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'actions',
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'all_dependent_settings',
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'configurations',
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'dependencies',
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'direct_dependent_settings',
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'libraries',
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'link_settings',
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'sources',
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'target_name',
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'type',
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]
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# Controls how the generator want the build file paths.
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absolute_build_file_paths = False
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# Controls whether or not the generator supports multiple toolsets.
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multiple_toolsets = False
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def GetIncludedBuildFiles(build_file_path, aux_data, included=None):
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"""Return a list of all build files included into build_file_path.
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The returned list will contain build_file_path as well as all other files
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that it included, either directly or indirectly. Note that the list may
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contain files that were included into a conditional section that evaluated
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to false and was not merged into build_file_path's dict.
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aux_data is a dict containing a key for each build file or included build
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file. Those keys provide access to dicts whose "included" keys contain
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lists of all other files included by the build file.
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included should be left at its default None value by external callers. It
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is used for recursion.
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The returned list will not contain any duplicate entries. Each build file
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in the list will be relative to the current directory.
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"""
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if included == None:
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included = []
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if build_file_path in included:
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return included
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included.append(build_file_path)
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for included_build_file in aux_data[build_file_path].get('included', []):
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GetIncludedBuildFiles(included_build_file, aux_data, included)
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return included
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def CheckedEval(file_contents):
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"""Return the eval of a gyp file.
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The gyp file is restricted to dictionaries and lists only, and
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repeated keys are not allowed.
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Note that this is slower than eval() is.
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"""
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ast = compiler.parse(file_contents)
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assert isinstance(ast, Module)
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c1 = ast.getChildren()
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assert c1[0] is None
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assert isinstance(c1[1], Stmt)
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c2 = c1[1].getChildren()
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assert isinstance(c2[0], Discard)
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c3 = c2[0].getChildren()
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assert len(c3) == 1
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return CheckNode(c3[0], [])
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def CheckNode(node, keypath):
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if isinstance(node, Dict):
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c = node.getChildren()
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dict = {}
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for n in range(0, len(c), 2):
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assert isinstance(c[n], Const)
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key = c[n].getChildren()[0]
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if key in dict:
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raise KeyError, "Key '" + key + "' repeated at level " + \
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repr(len(keypath) + 1) + " with key path '" + \
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'.'.join(keypath) + "'"
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kp = list(keypath) # Make a copy of the list for descending this node.
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kp.append(key)
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dict[key] = CheckNode(c[n + 1], kp)
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return dict
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elif isinstance(node, List):
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c = node.getChildren()
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children = []
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for index, child in enumerate(c):
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kp = list(keypath) # Copy list.
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kp.append(repr(index))
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children.append(CheckNode(child, kp))
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return children
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elif isinstance(node, Const):
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return node.getChildren()[0]
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else:
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raise TypeError, "Unknown AST node at key path '" + '.'.join(keypath) + \
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"': " + repr(node)
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def LoadOneBuildFile(build_file_path, data, aux_data, variables, includes,
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is_target, check):
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if build_file_path in data:
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return data[build_file_path]
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if os.path.exists(build_file_path):
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build_file_contents = open(build_file_path).read()
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else:
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raise Exception("%s not found (cwd: %s)" % (build_file_path, os.getcwd()))
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build_file_data = None
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try:
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if check:
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build_file_data = CheckedEval(build_file_contents)
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else:
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build_file_data = eval(build_file_contents, {'__builtins__': None},
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None)
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except SyntaxError, e:
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e.filename = build_file_path
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raise
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except Exception, e:
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gyp.common.ExceptionAppend(e, 'while reading ' + build_file_path)
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raise
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data[build_file_path] = build_file_data
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aux_data[build_file_path] = {}
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# Scan for includes and merge them in.
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try:
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if is_target:
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LoadBuildFileIncludesIntoDict(build_file_data, build_file_path, data,
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aux_data, variables, includes, check)
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else:
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LoadBuildFileIncludesIntoDict(build_file_data, build_file_path, data,
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aux_data, variables, None, check)
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except Exception, e:
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gyp.common.ExceptionAppend(e,
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'while reading includes of ' + build_file_path)
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raise
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return build_file_data
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def LoadBuildFileIncludesIntoDict(subdict, subdict_path, data, aux_data,
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variables, includes, check):
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includes_list = []
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if includes != None:
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includes_list.extend(includes)
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if 'includes' in subdict:
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for include in subdict['includes']:
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# "include" is specified relative to subdict_path, so compute the real
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# path to include by appending the provided "include" to the directory
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# in which subdict_path resides.
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relative_include = \
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os.path.normpath(os.path.join(os.path.dirname(subdict_path), include))
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includes_list.append(relative_include)
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# Unhook the includes list, it's no longer needed.
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del subdict['includes']
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# Merge in the included files.
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for include in includes_list:
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if not 'included' in aux_data[subdict_path]:
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aux_data[subdict_path]['included'] = []
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aux_data[subdict_path]['included'].append(include)
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gyp.DebugOutput(gyp.DEBUG_INCLUDES, "Loading Included File: '%s'" % include)
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MergeDicts(subdict,
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LoadOneBuildFile(include, data, aux_data, variables, None,
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False, check),
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subdict_path, include)
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# Recurse into subdictionaries.
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for k, v in subdict.iteritems():
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if v.__class__ == dict:
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LoadBuildFileIncludesIntoDict(v, subdict_path, data, aux_data, variables,
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None, check)
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elif v.__class__ == list:
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LoadBuildFileIncludesIntoList(v, subdict_path, data, aux_data, variables,
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check)
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# This recurses into lists so that it can look for dicts.
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def LoadBuildFileIncludesIntoList(sublist, sublist_path, data, aux_data,
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variables, check):
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for item in sublist:
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if item.__class__ == dict:
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LoadBuildFileIncludesIntoDict(item, sublist_path, data, aux_data,
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variables, None, check)
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elif item.__class__ == list:
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LoadBuildFileIncludesIntoList(item, sublist_path, data, aux_data,
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variables, check)
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# Processes toolsets in all the targets. This recurses into condition entries
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# since they can contain toolsets as well.
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def ProcessToolsetsInDict(data):
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if 'targets' in data:
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target_list = data['targets']
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new_target_list = []
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for target in target_list:
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# If this target already has an explicit 'toolset', and no 'toolsets'
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# list, don't modify it further.
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if 'toolset' in target and 'toolsets' not in target:
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new_target_list.append(target)
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continue
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global multiple_toolsets
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if multiple_toolsets:
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toolsets = target.get('toolsets', ['target'])
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else:
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toolsets = ['target']
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# Make sure this 'toolsets' definition is only processed once.
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if 'toolsets' in target:
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del target['toolsets']
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if len(toolsets) > 0:
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# Optimization: only do copies if more than one toolset is specified.
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for build in toolsets[1:]:
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new_target = copy.deepcopy(target)
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new_target['toolset'] = build
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new_target_list.append(new_target)
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target['toolset'] = toolsets[0]
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new_target_list.append(target)
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data['targets'] = new_target_list
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if 'conditions' in data:
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for condition in data['conditions']:
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if isinstance(condition, list):
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for condition_dict in condition[1:]:
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ProcessToolsetsInDict(condition_dict)
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# TODO(mark): I don't love this name. It just means that it's going to load
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# a build file that contains targets and is expected to provide a targets dict
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# that contains the targets...
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def LoadTargetBuildFile(build_file_path, data, aux_data, variables, includes,
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depth, check):
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global absolute_build_file_paths
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# If depth is set, predefine the DEPTH variable to be a relative path from
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# this build file's directory to the directory identified by depth.
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if depth:
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# TODO(dglazkov) The backslash/forward-slash replacement at the end is a
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# temporary measure. This should really be addressed by keeping all paths
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# in POSIX until actual project generation.
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d = gyp.common.RelativePath(depth, os.path.dirname(build_file_path))
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if d == '':
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variables['DEPTH'] = '.'
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else:
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variables['DEPTH'] = d.replace('\\', '/')
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# If the generator needs absolue paths, then do so.
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if absolute_build_file_paths:
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build_file_path = os.path.abspath(build_file_path)
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if build_file_path in data['target_build_files']:
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# Already loaded.
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return
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data['target_build_files'].add(build_file_path)
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gyp.DebugOutput(gyp.DEBUG_INCLUDES,
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"Loading Target Build File '%s'" % build_file_path)
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build_file_data = LoadOneBuildFile(build_file_path, data, aux_data, variables,
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includes, True, check)
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# Store DEPTH for later use in generators.
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build_file_data['_DEPTH'] = depth
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# Set up the included_files key indicating which .gyp files contributed to
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# this target dict.
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if 'included_files' in build_file_data:
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raise KeyError, build_file_path + ' must not contain included_files key'
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included = GetIncludedBuildFiles(build_file_path, aux_data)
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build_file_data['included_files'] = []
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for included_file in included:
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# included_file is relative to the current directory, but it needs to
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# be made relative to build_file_path's directory.
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included_relative = \
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gyp.common.RelativePath(included_file,
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os.path.dirname(build_file_path))
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build_file_data['included_files'].append(included_relative)
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# Do a first round of toolsets expansion so that conditions can be defined
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# per toolset.
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ProcessToolsetsInDict(build_file_data)
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# Apply "pre"/"early" variable expansions and condition evaluations.
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ProcessVariablesAndConditionsInDict(build_file_data, False, variables,
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build_file_path)
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# Since some toolsets might have been defined conditionally, perform
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# a second round of toolsets expansion now.
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ProcessToolsetsInDict(build_file_data)
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# Look at each project's target_defaults dict, and merge settings into
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# targets.
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if 'target_defaults' in build_file_data:
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index = 0
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if 'targets' in build_file_data:
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while index < len(build_file_data['targets']):
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# This procedure needs to give the impression that target_defaults is
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# used as defaults, and the individual targets inherit from that.
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# The individual targets need to be merged into the defaults. Make
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# a deep copy of the defaults for each target, merge the target dict
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# as found in the input file into that copy, and then hook up the
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# copy with the target-specific data merged into it as the replacement
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# target dict.
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old_target_dict = build_file_data['targets'][index]
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new_target_dict = copy.deepcopy(build_file_data['target_defaults'])
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MergeDicts(new_target_dict, old_target_dict,
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build_file_path, build_file_path)
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build_file_data['targets'][index] = new_target_dict
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index = index + 1
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else:
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raise Exception, \
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"Unable to find targets in build file %s" % build_file_path
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# No longer needed.
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del build_file_data['target_defaults']
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# Look for dependencies. This means that dependency resolution occurs
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# after "pre" conditionals and variable expansion, but before "post" -
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# in other words, you can't put a "dependencies" section inside a "post"
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# conditional within a target.
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if 'targets' in build_file_data:
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for target_dict in build_file_data['targets']:
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if 'dependencies' not in target_dict:
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continue
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for dependency in target_dict['dependencies']:
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other_build_file = \
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gyp.common.ResolveTarget(build_file_path, dependency, None)[0]
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try:
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LoadTargetBuildFile(other_build_file, data, aux_data, variables,
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includes, depth, check)
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except Exception, e:
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gyp.common.ExceptionAppend(
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e, 'while loading dependencies of %s' % build_file_path)
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raise
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return data
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# Look for the bracket that matches the first bracket seen in a
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# string, and return the start and end as a tuple. For example, if
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# the input is something like "<(foo <(bar)) blah", then it would
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# return (1, 13), indicating the entire string except for the leading
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# "<" and trailing " blah".
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def FindEnclosingBracketGroup(input):
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brackets = { '}': '{',
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']': '[',
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')': '(', }
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stack = []
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count = 0
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start = -1
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for char in input:
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if char in brackets.values():
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stack.append(char)
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if start == -1:
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start = count
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if char in brackets.keys():
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try:
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last_bracket = stack.pop()
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except IndexError:
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return (-1, -1)
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if last_bracket != brackets[char]:
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return (-1, -1)
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if len(stack) == 0:
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return (start, count + 1)
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count = count + 1
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return (-1, -1)
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canonical_int_re = re.compile('^(0|-?[1-9][0-9]*)$')
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def IsStrCanonicalInt(string):
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"""Returns True if |string| is in its canonical integer form.
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The canonical form is such that str(int(string)) == string.
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"""
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if not isinstance(string, str) or not canonical_int_re.match(string):
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return False
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return True
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# This matches things like "<(asdf)", "<!(cmd)", "<!@(cmd)", "<|(list)",
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# "<!interpreter(arguments)", "<([list])", and even "<([)" and "<(<())".
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# In the last case, the inner "<()" is captured in match['content'].
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early_variable_re = re.compile(
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'(?P<replace>(?P<type><(?:(?:!?@?)|\|)?)'
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'(?P<command_string>[-a-zA-Z0-9_.]+)?'
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'\((?P<is_array>\s*\[?)'
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'(?P<content>.*?)(\]?)\))')
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# This matches the same as early_variable_re, but with '>' instead of '<'.
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late_variable_re = re.compile(
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'(?P<replace>(?P<type>>(?:(?:!?@?)|\|)?)'
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'(?P<command_string>[-a-zA-Z0-9_.]+)?'
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'\((?P<is_array>\s*\[?)'
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'(?P<content>.*?)(\]?)\))')
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# Global cache of results from running commands so they don't have to be run
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# more then once.
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|
cached_command_results = {}
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|
|
|
|
def FixupPlatformCommand(cmd):
|
|
if sys.platform == 'win32':
|
|
if type(cmd) == list:
|
|
cmd = [re.sub('^cat ', 'type ', cmd[0])] + cmd[1:]
|
|
else:
|
|
cmd = re.sub('^cat ', 'type ', cmd)
|
|
return cmd
|
|
|
|
|
|
def ExpandVariables(input, is_late, variables, build_file):
|
|
# Look for the pattern that gets expanded into variables
|
|
if not is_late:
|
|
variable_re = early_variable_re
|
|
expansion_symbol = '<'
|
|
else:
|
|
variable_re = late_variable_re
|
|
expansion_symbol = '>'
|
|
|
|
input_str = str(input)
|
|
# Do a quick scan to determine if an expensive regex search is warranted.
|
|
if expansion_symbol in input_str:
|
|
# Get the entire list of matches as a list of MatchObject instances.
|
|
# (using findall here would return strings instead of MatchObjects).
|
|
matches = [match for match in variable_re.finditer(input_str)]
|
|
else:
|
|
matches = None
|
|
|
|
output = input_str
|
|
if matches:
|
|
# Reverse the list of matches so that replacements are done right-to-left.
|
|
# That ensures that earlier replacements won't mess up the string in a
|
|
# way that causes later calls to find the earlier substituted text instead
|
|
# of what's intended for replacement.
|
|
matches.reverse()
|
|
for match_group in matches:
|
|
match = match_group.groupdict()
|
|
gyp.DebugOutput(gyp.DEBUG_VARIABLES,
|
|
"Matches: %s" % repr(match))
|
|
# match['replace'] is the substring to look for, match['type']
|
|
# is the character code for the replacement type (< > <! >! <| >| <@
|
|
# >@ <!@ >!@), match['is_array'] contains a '[' for command
|
|
# arrays, and match['content'] is the name of the variable (< >)
|
|
# or command to run (<! >!). match['command_string'] is an optional
|
|
# command string. Currently, only 'pymod_do_main' is supported.
|
|
|
|
# run_command is true if a ! variant is used.
|
|
run_command = '!' in match['type']
|
|
command_string = match['command_string']
|
|
|
|
# file_list is true if a | variant is used.
|
|
file_list = '|' in match['type']
|
|
|
|
# Capture these now so we can adjust them later.
|
|
replace_start = match_group.start('replace')
|
|
replace_end = match_group.end('replace')
|
|
|
|
# Find the ending paren, and re-evaluate the contained string.
|
|
(c_start, c_end) = FindEnclosingBracketGroup(input_str[replace_start:])
|
|
|
|
# Adjust the replacement range to match the entire command
|
|
# found by FindEnclosingBracketGroup (since the variable_re
|
|
# probably doesn't match the entire command if it contained
|
|
# nested variables).
|
|
replace_end = replace_start + c_end
|
|
|
|
# Find the "real" replacement, matching the appropriate closing
|
|
# paren, and adjust the replacement start and end.
|
|
replacement = input_str[replace_start:replace_end]
|
|
|
|
# Figure out what the contents of the variable parens are.
|
|
contents_start = replace_start + c_start + 1
|
|
contents_end = replace_end - 1
|
|
contents = input_str[contents_start:contents_end]
|
|
|
|
# Do filter substitution now for <|().
|
|
# Admittedly, this is different than the evaluation order in other
|
|
# contexts. However, since filtration has no chance to run on <|(),
|
|
# this seems like the only obvious way to give them access to filters.
|
|
if file_list:
|
|
processed_variables = copy.deepcopy(variables)
|
|
ProcessListFiltersInDict(contents, processed_variables)
|
|
# Recurse to expand variables in the contents
|
|
contents = ExpandVariables(contents, is_late,
|
|
processed_variables, build_file)
|
|
else:
|
|
# Recurse to expand variables in the contents
|
|
contents = ExpandVariables(contents, is_late, variables, build_file)
|
|
|
|
# Strip off leading/trailing whitespace so that variable matches are
|
|
# simpler below (and because they are rarely needed).
|
|
contents = contents.strip()
|
|
|
|
# expand_to_list is true if an @ variant is used. In that case,
|
|
# the expansion should result in a list. Note that the caller
|
|
# is to be expecting a list in return, and not all callers do
|
|
# because not all are working in list context. Also, for list
|
|
# expansions, there can be no other text besides the variable
|
|
# expansion in the input string.
|
|
expand_to_list = '@' in match['type'] and input_str == replacement
|
|
|
|
if run_command or file_list:
|
|
# Find the build file's directory, so commands can be run or file lists
|
|
# generated relative to it.
|
|
build_file_dir = os.path.dirname(build_file)
|
|
if build_file_dir == '':
|
|
# If build_file is just a leaf filename indicating a file in the
|
|
# current directory, build_file_dir might be an empty string. Set
|
|
# it to None to signal to subprocess.Popen that it should run the
|
|
# command in the current directory.
|
|
build_file_dir = None
|
|
|
|
# Support <|(listfile.txt ...) which generates a file
|
|
# containing items from a gyp list, generated at gyp time.
|
|
# This works around actions/rules which have more inputs than will
|
|
# fit on the command line.
|
|
if file_list:
|
|
if type(contents) == list:
|
|
contents_list = contents
|
|
else:
|
|
contents_list = contents.split(' ')
|
|
replacement = contents_list[0]
|
|
path = replacement
|
|
if not os.path.isabs(path):
|
|
path = os.path.join(build_file_dir, path)
|
|
f = gyp.common.WriteOnDiff(path)
|
|
for i in contents_list[1:]:
|
|
f.write('%s\n' % i)
|
|
f.close()
|
|
|
|
elif run_command:
|
|
use_shell = True
|
|
if match['is_array']:
|
|
contents = eval(contents)
|
|
use_shell = False
|
|
|
|
# Check for a cached value to avoid executing commands, or generating
|
|
# file lists more than once.
|
|
# TODO(http://code.google.com/p/gyp/issues/detail?id=112): It is
|
|
# possible that the command being invoked depends on the current
|
|
# directory. For that case the syntax needs to be extended so that the
|
|
# directory is also used in cache_key (it becomes a tuple).
|
|
# TODO(http://code.google.com/p/gyp/issues/detail?id=111): In theory,
|
|
# someone could author a set of GYP files where each time the command
|
|
# is invoked it produces different output by design. When the need
|
|
# arises, the syntax should be extended to support no caching off a
|
|
# command's output so it is run every time.
|
|
cache_key = str(contents)
|
|
cached_value = cached_command_results.get(cache_key, None)
|
|
if cached_value is None:
|
|
gyp.DebugOutput(gyp.DEBUG_VARIABLES,
|
|
"Executing command '%s' in directory '%s'" %
|
|
(contents,build_file_dir))
|
|
|
|
replacement = ''
|
|
|
|
if command_string == 'pymod_do_main':
|
|
# <!pymod_do_main(modulename param eters) loads |modulename| as a
|
|
# python module and then calls that module's DoMain() function,
|
|
# passing ["param", "eters"] as a single list argument. For modules
|
|
# that don't load quickly, this can be faster than
|
|
# <!(python modulename param eters). Do this in |build_file_dir|.
|
|
oldwd = os.getcwd() # Python doesn't like os.open('.'): no fchdir.
|
|
os.chdir(build_file_dir)
|
|
|
|
parsed_contents = shlex.split(contents)
|
|
py_module = __import__(parsed_contents[0])
|
|
replacement = str(py_module.DoMain(parsed_contents[1:])).rstrip()
|
|
|
|
os.chdir(oldwd)
|
|
assert replacement != None
|
|
elif command_string:
|
|
raise Exception("Unknown command string '%s' in '%s'." %
|
|
(command_string, contents))
|
|
else:
|
|
# Fix up command with platform specific workarounds.
|
|
contents = FixupPlatformCommand(contents)
|
|
p = subprocess.Popen(contents, shell=use_shell,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
stdin=subprocess.PIPE,
|
|
cwd=build_file_dir)
|
|
|
|
p_stdout, p_stderr = p.communicate('')
|
|
|
|
if p.wait() != 0 or p_stderr:
|
|
sys.stderr.write(p_stderr)
|
|
# Simulate check_call behavior, since check_call only exists
|
|
# in python 2.5 and later.
|
|
raise Exception("Call to '%s' returned exit status %d." %
|
|
(contents, p.returncode))
|
|
replacement = p_stdout.rstrip()
|
|
|
|
cached_command_results[cache_key] = replacement
|
|
else:
|
|
gyp.DebugOutput(gyp.DEBUG_VARIABLES,
|
|
"Had cache value for command '%s' in directory '%s'" %
|
|
(contents,build_file_dir))
|
|
replacement = cached_value
|
|
|
|
else:
|
|
if not contents in variables:
|
|
raise KeyError, 'Undefined variable ' + contents + \
|
|
' in ' + build_file
|
|
replacement = variables[contents]
|
|
|
|
if isinstance(replacement, list):
|
|
for item in replacement:
|
|
if not isinstance(item, str) and not isinstance(item, int):
|
|
raise TypeError, 'Variable ' + contents + \
|
|
' must expand to a string or list of strings; ' + \
|
|
'list contains a ' + \
|
|
item.__class__.__name__
|
|
# Run through the list and handle variable expansions in it. Since
|
|
# the list is guaranteed not to contain dicts, this won't do anything
|
|
# with conditions sections.
|
|
ProcessVariablesAndConditionsInList(replacement, is_late, variables,
|
|
build_file)
|
|
elif not isinstance(replacement, str) and \
|
|
not isinstance(replacement, int):
|
|
raise TypeError, 'Variable ' + contents + \
|
|
' must expand to a string or list of strings; ' + \
|
|
'found a ' + replacement.__class__.__name__
|
|
|
|
if expand_to_list:
|
|
# Expanding in list context. It's guaranteed that there's only one
|
|
# replacement to do in |input_str| and that it's this replacement. See
|
|
# above.
|
|
if isinstance(replacement, list):
|
|
# If it's already a list, make a copy.
|
|
output = replacement[:]
|
|
else:
|
|
# Split it the same way sh would split arguments.
|
|
output = shlex.split(str(replacement))
|
|
else:
|
|
# Expanding in string context.
|
|
encoded_replacement = ''
|
|
if isinstance(replacement, list):
|
|
# When expanding a list into string context, turn the list items
|
|
# into a string in a way that will work with a subprocess call.
|
|
#
|
|
# TODO(mark): This isn't completely correct. This should
|
|
# call a generator-provided function that observes the
|
|
# proper list-to-argument quoting rules on a specific
|
|
# platform instead of just calling the POSIX encoding
|
|
# routine.
|
|
encoded_replacement = gyp.common.EncodePOSIXShellList(replacement)
|
|
else:
|
|
encoded_replacement = replacement
|
|
|
|
output = output[:replace_start] + str(encoded_replacement) + \
|
|
output[replace_end:]
|
|
# Prepare for the next match iteration.
|
|
input_str = output
|
|
|
|
# Look for more matches now that we've replaced some, to deal with
|
|
# expanding local variables (variables defined in the same
|
|
# variables block as this one).
|
|
gyp.DebugOutput(gyp.DEBUG_VARIABLES,
|
|
"Found output %s, recursing." % repr(output))
|
|
if isinstance(output, list):
|
|
new_output = []
|
|
for item in output:
|
|
new_output.append(ExpandVariables(item, is_late, variables, build_file))
|
|
output = new_output
|
|
else:
|
|
output = ExpandVariables(output, is_late, variables, build_file)
|
|
|
|
# Convert all strings that are canonically-represented integers into integers.
|
|
if isinstance(output, list):
|
|
for index in xrange(0, len(output)):
|
|
if IsStrCanonicalInt(output[index]):
|
|
output[index] = int(output[index])
|
|
elif IsStrCanonicalInt(output):
|
|
output = int(output)
|
|
|
|
gyp.DebugOutput(gyp.DEBUG_VARIABLES,
|
|
"Expanding %s to %s" % (repr(input), repr(output)))
|
|
return output
|
|
|
|
|
|
def ProcessConditionsInDict(the_dict, is_late, variables, build_file):
|
|
# Process a 'conditions' or 'target_conditions' section in the_dict,
|
|
# depending on is_late. If is_late is False, 'conditions' is used.
|
|
#
|
|
# Each item in a conditions list consists of cond_expr, a string expression
|
|
# evaluated as the condition, and true_dict, a dict that will be merged into
|
|
# the_dict if cond_expr evaluates to true. Optionally, a third item,
|
|
# false_dict, may be present. false_dict is merged into the_dict if
|
|
# cond_expr evaluates to false.
|
|
#
|
|
# Any dict merged into the_dict will be recursively processed for nested
|
|
# conditionals and other expansions, also according to is_late, immediately
|
|
# prior to being merged.
|
|
|
|
if not is_late:
|
|
conditions_key = 'conditions'
|
|
else:
|
|
conditions_key = 'target_conditions'
|
|
|
|
if not conditions_key in the_dict:
|
|
return
|
|
|
|
conditions_list = the_dict[conditions_key]
|
|
# Unhook the conditions list, it's no longer needed.
|
|
del the_dict[conditions_key]
|
|
|
|
for condition in conditions_list:
|
|
if not isinstance(condition, list):
|
|
raise TypeError, conditions_key + ' must be a list'
|
|
if len(condition) != 2 and len(condition) != 3:
|
|
# It's possible that condition[0] won't work in which case this
|
|
# attempt will raise its own IndexError. That's probably fine.
|
|
raise IndexError, conditions_key + ' ' + condition[0] + \
|
|
' must be length 2 or 3, not ' + str(len(condition))
|
|
|
|
[cond_expr, true_dict] = condition[0:2]
|
|
false_dict = None
|
|
if len(condition) == 3:
|
|
false_dict = condition[2]
|
|
|
|
# Do expansions on the condition itself. Since the conditon can naturally
|
|
# contain variable references without needing to resort to GYP expansion
|
|
# syntax, this is of dubious value for variables, but someone might want to
|
|
# use a command expansion directly inside a condition.
|
|
cond_expr_expanded = ExpandVariables(cond_expr, is_late, variables,
|
|
build_file)
|
|
if not isinstance(cond_expr_expanded, str) and \
|
|
not isinstance(cond_expr_expanded, int):
|
|
raise ValueError, \
|
|
'Variable expansion in this context permits str and int ' + \
|
|
'only, found ' + expanded.__class__.__name__
|
|
|
|
try:
|
|
ast_code = compile(cond_expr_expanded, '<string>', 'eval')
|
|
|
|
if eval(ast_code, {'__builtins__': None}, variables):
|
|
merge_dict = true_dict
|
|
else:
|
|
merge_dict = false_dict
|
|
except SyntaxError, e:
|
|
syntax_error = SyntaxError('%s while evaluating condition \'%s\' in %s '
|
|
'at character %d.' %
|
|
(str(e.args[0]), e.text, build_file, e.offset),
|
|
e.filename, e.lineno, e.offset, e.text)
|
|
raise syntax_error
|
|
except NameError, e:
|
|
gyp.common.ExceptionAppend(e, 'while evaluating condition \'%s\' in %s' %
|
|
(cond_expr_expanded, build_file))
|
|
raise
|
|
|
|
if merge_dict != None:
|
|
# Expand variables and nested conditinals in the merge_dict before
|
|
# merging it.
|
|
ProcessVariablesAndConditionsInDict(merge_dict, is_late,
|
|
variables, build_file)
|
|
|
|
MergeDicts(the_dict, merge_dict, build_file, build_file)
|
|
|
|
|
|
def LoadAutomaticVariablesFromDict(variables, the_dict):
|
|
# Any keys with plain string values in the_dict become automatic variables.
|
|
# The variable name is the key name with a "_" character prepended.
|
|
for key, value in the_dict.iteritems():
|
|
if isinstance(value, str) or isinstance(value, int) or \
|
|
isinstance(value, list):
|
|
variables['_' + key] = value
|
|
|
|
|
|
def LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key):
|
|
# Any keys in the_dict's "variables" dict, if it has one, becomes a
|
|
# variable. The variable name is the key name in the "variables" dict.
|
|
# Variables that end with the % character are set only if they are unset in
|
|
# the variables dict. the_dict_key is the name of the key that accesses
|
|
# the_dict in the_dict's parent dict. If the_dict's parent is not a dict
|
|
# (it could be a list or it could be parentless because it is a root dict),
|
|
# the_dict_key will be None.
|
|
for key, value in the_dict.get('variables', {}).iteritems():
|
|
if not isinstance(value, str) and not isinstance(value, int) and \
|
|
not isinstance(value, list):
|
|
continue
|
|
|
|
if key.endswith('%'):
|
|
variable_name = key[:-1]
|
|
if variable_name in variables:
|
|
# If the variable is already set, don't set it.
|
|
continue
|
|
if the_dict_key is 'variables' and variable_name in the_dict:
|
|
# If the variable is set without a % in the_dict, and the_dict is a
|
|
# variables dict (making |variables| a varaibles sub-dict of a
|
|
# variables dict), use the_dict's definition.
|
|
value = the_dict[variable_name]
|
|
else:
|
|
variable_name = key
|
|
|
|
variables[variable_name] = value
|
|
|
|
|
|
def ProcessVariablesAndConditionsInDict(the_dict, is_late, variables_in,
|
|
build_file, the_dict_key=None):
|
|
"""Handle all variable and command expansion and conditional evaluation.
|
|
|
|
This function is the public entry point for all variable expansions and
|
|
conditional evaluations. The variables_in dictionary will not be modified
|
|
by this function.
|
|
"""
|
|
|
|
# Make a copy of the variables_in dict that can be modified during the
|
|
# loading of automatics and the loading of the variables dict.
|
|
variables = variables_in.copy()
|
|
LoadAutomaticVariablesFromDict(variables, the_dict)
|
|
|
|
if 'variables' in the_dict:
|
|
# Make sure all the local variables are added to the variables
|
|
# list before we process them so that you can reference one
|
|
# variable from another. They will be fully expanded by recursion
|
|
# in ExpandVariables.
|
|
for key, value in the_dict['variables'].iteritems():
|
|
variables[key] = value
|
|
|
|
# Handle the associated variables dict first, so that any variable
|
|
# references within can be resolved prior to using them as variables.
|
|
# Pass a copy of the variables dict to avoid having it be tainted.
|
|
# Otherwise, it would have extra automatics added for everything that
|
|
# should just be an ordinary variable in this scope.
|
|
ProcessVariablesAndConditionsInDict(the_dict['variables'], is_late,
|
|
variables, build_file, 'variables')
|
|
|
|
LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key)
|
|
|
|
for key, value in the_dict.iteritems():
|
|
# Skip "variables", which was already processed if present.
|
|
if key != 'variables' and isinstance(value, str):
|
|
expanded = ExpandVariables(value, is_late, variables, build_file)
|
|
if not isinstance(expanded, str) and not isinstance(expanded, int):
|
|
raise ValueError, \
|
|
'Variable expansion in this context permits str and int ' + \
|
|
'only, found ' + expanded.__class__.__name__ + ' for ' + key
|
|
the_dict[key] = expanded
|
|
|
|
# Variable expansion may have resulted in changes to automatics. Reload.
|
|
# TODO(mark): Optimization: only reload if no changes were made.
|
|
variables = variables_in.copy()
|
|
LoadAutomaticVariablesFromDict(variables, the_dict)
|
|
LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key)
|
|
|
|
# Process conditions in this dict. This is done after variable expansion
|
|
# so that conditions may take advantage of expanded variables. For example,
|
|
# if the_dict contains:
|
|
# {'type': '<(library_type)',
|
|
# 'conditions': [['_type=="static_library"', { ... }]]},
|
|
# _type, as used in the condition, will only be set to the value of
|
|
# library_type if variable expansion is performed before condition
|
|
# processing. However, condition processing should occur prior to recursion
|
|
# so that variables (both automatic and "variables" dict type) may be
|
|
# adjusted by conditions sections, merged into the_dict, and have the
|
|
# intended impact on contained dicts.
|
|
#
|
|
# This arrangement means that a "conditions" section containing a "variables"
|
|
# section will only have those variables effective in subdicts, not in
|
|
# the_dict. The workaround is to put a "conditions" section within a
|
|
# "variables" section. For example:
|
|
# {'conditions': [['os=="mac"', {'variables': {'define': 'IS_MAC'}}]],
|
|
# 'defines': ['<(define)'],
|
|
# 'my_subdict': {'defines': ['<(define)']}},
|
|
# will not result in "IS_MAC" being appended to the "defines" list in the
|
|
# current scope but would result in it being appended to the "defines" list
|
|
# within "my_subdict". By comparison:
|
|
# {'variables': {'conditions': [['os=="mac"', {'define': 'IS_MAC'}]]},
|
|
# 'defines': ['<(define)'],
|
|
# 'my_subdict': {'defines': ['<(define)']}},
|
|
# will append "IS_MAC" to both "defines" lists.
|
|
|
|
# Evaluate conditions sections, allowing variable expansions within them
|
|
# as well as nested conditionals. This will process a 'conditions' or
|
|
# 'target_conditions' section, perform appropriate merging and recursive
|
|
# conditional and variable processing, and then remove the conditions section
|
|
# from the_dict if it is present.
|
|
ProcessConditionsInDict(the_dict, is_late, variables, build_file)
|
|
|
|
# Conditional processing may have resulted in changes to automatics or the
|
|
# variables dict. Reload.
|
|
variables = variables_in.copy()
|
|
LoadAutomaticVariablesFromDict(variables, the_dict)
|
|
LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key)
|
|
|
|
# Recurse into child dicts, or process child lists which may result in
|
|
# further recursion into descendant dicts.
|
|
for key, value in the_dict.iteritems():
|
|
# Skip "variables" and string values, which were already processed if
|
|
# present.
|
|
if key == 'variables' or isinstance(value, str):
|
|
continue
|
|
if isinstance(value, dict):
|
|
# Pass a copy of the variables dict so that subdicts can't influence
|
|
# parents.
|
|
ProcessVariablesAndConditionsInDict(value, is_late, variables,
|
|
build_file, key)
|
|
elif isinstance(value, list):
|
|
# The list itself can't influence the variables dict, and
|
|
# ProcessVariablesAndConditionsInList will make copies of the variables
|
|
# dict if it needs to pass it to something that can influence it. No
|
|
# copy is necessary here.
|
|
ProcessVariablesAndConditionsInList(value, is_late, variables,
|
|
build_file)
|
|
elif not isinstance(value, int):
|
|
raise TypeError, 'Unknown type ' + value.__class__.__name__ + \
|
|
' for ' + key
|
|
|
|
|
|
def ProcessVariablesAndConditionsInList(the_list, is_late, variables,
|
|
build_file):
|
|
# Iterate using an index so that new values can be assigned into the_list.
|
|
index = 0
|
|
while index < len(the_list):
|
|
item = the_list[index]
|
|
if isinstance(item, dict):
|
|
# Make a copy of the variables dict so that it won't influence anything
|
|
# outside of its own scope.
|
|
ProcessVariablesAndConditionsInDict(item, is_late, variables, build_file)
|
|
elif isinstance(item, list):
|
|
ProcessVariablesAndConditionsInList(item, is_late, variables, build_file)
|
|
elif isinstance(item, str):
|
|
expanded = ExpandVariables(item, is_late, variables, build_file)
|
|
if isinstance(expanded, str) or isinstance(expanded, int):
|
|
the_list[index] = expanded
|
|
elif isinstance(expanded, list):
|
|
del the_list[index]
|
|
for expanded_item in expanded:
|
|
the_list.insert(index, expanded_item)
|
|
index = index + 1
|
|
|
|
# index now identifies the next item to examine. Continue right now
|
|
# without falling into the index increment below.
|
|
continue
|
|
else:
|
|
raise ValueError, \
|
|
'Variable expansion in this context permits strings and ' + \
|
|
'lists only, found ' + expanded.__class__.__name__ + ' at ' + \
|
|
index
|
|
elif not isinstance(item, int):
|
|
raise TypeError, 'Unknown type ' + item.__class__.__name__ + \
|
|
' at index ' + index
|
|
index = index + 1
|
|
|
|
|
|
def BuildTargetsDict(data):
|
|
"""Builds a dict mapping fully-qualified target names to their target dicts.
|
|
|
|
|data| is a dict mapping loaded build files by pathname relative to the
|
|
current directory. Values in |data| are build file contents. For each
|
|
|data| value with a "targets" key, the value of the "targets" key is taken
|
|
as a list containing target dicts. Each target's fully-qualified name is
|
|
constructed from the pathname of the build file (|data| key) and its
|
|
"target_name" property. These fully-qualified names are used as the keys
|
|
in the returned dict. These keys provide access to the target dicts,
|
|
the dicts in the "targets" lists.
|
|
"""
|
|
|
|
targets = {}
|
|
for build_file in data['target_build_files']:
|
|
for target in data[build_file].get('targets', []):
|
|
target_name = gyp.common.QualifiedTarget(build_file,
|
|
target['target_name'],
|
|
target['toolset'])
|
|
if target_name in targets:
|
|
raise KeyError, 'Duplicate target definitions for ' + target_name
|
|
targets[target_name] = target
|
|
|
|
return targets
|
|
|
|
|
|
def QualifyDependencies(targets):
|
|
"""Make dependency links fully-qualified relative to the current directory.
|
|
|
|
|targets| is a dict mapping fully-qualified target names to their target
|
|
dicts. For each target in this dict, keys known to contain dependency
|
|
links are examined, and any dependencies referenced will be rewritten
|
|
so that they are fully-qualified and relative to the current directory.
|
|
All rewritten dependencies are suitable for use as keys to |targets| or a
|
|
similar dict.
|
|
"""
|
|
|
|
all_dependency_sections = [dep + op
|
|
for dep in dependency_sections
|
|
for op in ('', '!', '/')]
|
|
|
|
for target, target_dict in targets.iteritems():
|
|
target_build_file = gyp.common.BuildFile(target)
|
|
toolset = target_dict['toolset']
|
|
for dependency_key in all_dependency_sections:
|
|
dependencies = target_dict.get(dependency_key, [])
|
|
for index in xrange(0, len(dependencies)):
|
|
dep_file, dep_target, dep_toolset = gyp.common.ResolveTarget(
|
|
target_build_file, dependencies[index], toolset)
|
|
global multiple_toolsets
|
|
if not multiple_toolsets:
|
|
# Ignore toolset specification in the dependency if it is specified.
|
|
dep_toolset = toolset
|
|
dependency = gyp.common.QualifiedTarget(dep_file,
|
|
dep_target,
|
|
dep_toolset)
|
|
dependencies[index] = dependency
|
|
|
|
# Make sure anything appearing in a list other than "dependencies" also
|
|
# appears in the "dependencies" list.
|
|
if dependency_key != 'dependencies' and \
|
|
dependency not in target_dict['dependencies']:
|
|
raise KeyError, 'Found ' + dependency + ' in ' + dependency_key + \
|
|
' of ' + target + ', but not in dependencies'
|
|
|
|
|
|
def ExpandWildcardDependencies(targets, data):
|
|
"""Expands dependencies specified as build_file:*.
|
|
|
|
For each target in |targets|, examines sections containing links to other
|
|
targets. If any such section contains a link of the form build_file:*, it
|
|
is taken as a wildcard link, and is expanded to list each target in
|
|
build_file. The |data| dict provides access to build file dicts.
|
|
|
|
Any target that does not wish to be included by wildcard can provide an
|
|
optional "suppress_wildcard" key in its target dict. When present and
|
|
true, a wildcard dependency link will not include such targets.
|
|
|
|
All dependency names, including the keys to |targets| and the values in each
|
|
dependency list, must be qualified when this function is called.
|
|
"""
|
|
|
|
for target, target_dict in targets.iteritems():
|
|
toolset = target_dict['toolset']
|
|
target_build_file = gyp.common.BuildFile(target)
|
|
for dependency_key in dependency_sections:
|
|
dependencies = target_dict.get(dependency_key, [])
|
|
|
|
# Loop this way instead of "for dependency in" or "for index in xrange"
|
|
# because the dependencies list will be modified within the loop body.
|
|
index = 0
|
|
while index < len(dependencies):
|
|
(dependency_build_file, dependency_target, dependency_toolset) = \
|
|
gyp.common.ParseQualifiedTarget(dependencies[index])
|
|
if dependency_target != '*' and dependency_toolset != '*':
|
|
# Not a wildcard. Keep it moving.
|
|
index = index + 1
|
|
continue
|
|
|
|
if dependency_build_file == target_build_file:
|
|
# It's an error for a target to depend on all other targets in
|
|
# the same file, because a target cannot depend on itself.
|
|
raise KeyError, 'Found wildcard in ' + dependency_key + ' of ' + \
|
|
target + ' referring to same build file'
|
|
|
|
# Take the wildcard out and adjust the index so that the next
|
|
# dependency in the list will be processed the next time through the
|
|
# loop.
|
|
del dependencies[index]
|
|
index = index - 1
|
|
|
|
# Loop through the targets in the other build file, adding them to
|
|
# this target's list of dependencies in place of the removed
|
|
# wildcard.
|
|
dependency_target_dicts = data[dependency_build_file]['targets']
|
|
for dependency_target_dict in dependency_target_dicts:
|
|
if int(dependency_target_dict.get('suppress_wildcard', False)):
|
|
continue
|
|
dependency_target_name = dependency_target_dict['target_name']
|
|
if (dependency_target != '*' and
|
|
dependency_target != dependency_target_name):
|
|
continue
|
|
dependency_target_toolset = dependency_target_dict['toolset']
|
|
if (dependency_toolset != '*' and
|
|
dependency_toolset != dependency_target_toolset):
|
|
continue
|
|
dependency = gyp.common.QualifiedTarget(dependency_build_file,
|
|
dependency_target_name,
|
|
dependency_target_toolset)
|
|
index = index + 1
|
|
dependencies.insert(index, dependency)
|
|
|
|
index = index + 1
|
|
|
|
|
|
class DependencyGraphNode(object):
|
|
"""
|
|
|
|
Attributes:
|
|
ref: A reference to an object that this DependencyGraphNode represents.
|
|
dependencies: List of DependencyGraphNodes on which this one depends.
|
|
dependents: List of DependencyGraphNodes that depend on this one.
|
|
"""
|
|
|
|
class CircularException(Exception):
|
|
pass
|
|
|
|
def __init__(self, ref):
|
|
self.ref = ref
|
|
self.dependencies = []
|
|
self.dependents = []
|
|
|
|
def FlattenToList(self):
|
|
# flat_list is the sorted list of dependencies - actually, the list items
|
|
# are the "ref" attributes of DependencyGraphNodes. Every target will
|
|
# appear in flat_list after all of its dependencies, and before all of its
|
|
# dependents.
|
|
flat_list = []
|
|
|
|
# in_degree_zeros is the list of DependencyGraphNodes that have no
|
|
# dependencies not in flat_list. Initially, it is a copy of the children
|
|
# of this node, because when the graph was built, nodes with no
|
|
# dependencies were made implicit dependents of the root node.
|
|
in_degree_zeros = self.dependents[:]
|
|
|
|
while in_degree_zeros:
|
|
# Nodes in in_degree_zeros have no dependencies not in flat_list, so they
|
|
# can be appended to flat_list. Take these nodes out of in_degree_zeros
|
|
# as work progresses, so that the next node to process from the list can
|
|
# always be accessed at a consistent position.
|
|
node = in_degree_zeros.pop(0)
|
|
flat_list.append(node.ref)
|
|
|
|
# Look at dependents of the node just added to flat_list. Some of them
|
|
# may now belong in in_degree_zeros.
|
|
for node_dependent in node.dependents:
|
|
is_in_degree_zero = True
|
|
for node_dependent_dependency in node_dependent.dependencies:
|
|
if not node_dependent_dependency.ref in flat_list:
|
|
# The dependent one or more dependencies not in flat_list. There
|
|
# will be more chances to add it to flat_list when examining
|
|
# it again as a dependent of those other dependencies, provided
|
|
# that there are no cycles.
|
|
is_in_degree_zero = False
|
|
break
|
|
|
|
if is_in_degree_zero:
|
|
# All of the dependent's dependencies are already in flat_list. Add
|
|
# it to in_degree_zeros where it will be processed in a future
|
|
# iteration of the outer loop.
|
|
in_degree_zeros.append(node_dependent)
|
|
|
|
return flat_list
|
|
|
|
def DirectDependencies(self, dependencies=None):
|
|
"""Returns a list of just direct dependencies."""
|
|
if dependencies == None:
|
|
dependencies = []
|
|
|
|
for dependency in self.dependencies:
|
|
# Check for None, corresponding to the root node.
|
|
if dependency.ref != None and dependency.ref not in dependencies:
|
|
dependencies.append(dependency.ref)
|
|
|
|
return dependencies
|
|
|
|
def _AddImportedDependencies(self, targets, dependencies=None):
|
|
"""Given a list of direct dependencies, adds indirect dependencies that
|
|
other dependencies have declared to export their settings.
|
|
|
|
This method does not operate on self. Rather, it operates on the list
|
|
of dependencies in the |dependencies| argument. For each dependency in
|
|
that list, if any declares that it exports the settings of one of its
|
|
own dependencies, those dependencies whose settings are "passed through"
|
|
are added to the list. As new items are added to the list, they too will
|
|
be processed, so it is possible to import settings through multiple levels
|
|
of dependencies.
|
|
|
|
This method is not terribly useful on its own, it depends on being
|
|
"primed" with a list of direct dependencies such as one provided by
|
|
DirectDependencies. DirectAndImportedDependencies is intended to be the
|
|
public entry point.
|
|
"""
|
|
|
|
if dependencies == None:
|
|
dependencies = []
|
|
|
|
index = 0
|
|
while index < len(dependencies):
|
|
dependency = dependencies[index]
|
|
dependency_dict = targets[dependency]
|
|
# Add any dependencies whose settings should be imported to the list
|
|
# if not already present. Newly-added items will be checked for
|
|
# their own imports when the list iteration reaches them.
|
|
# Rather than simply appending new items, insert them after the
|
|
# dependency that exported them. This is done to more closely match
|
|
# the depth-first method used by DeepDependencies.
|
|
add_index = 1
|
|
for imported_dependency in \
|
|
dependency_dict.get('export_dependent_settings', []):
|
|
if imported_dependency not in dependencies:
|
|
dependencies.insert(index + add_index, imported_dependency)
|
|
add_index = add_index + 1
|
|
index = index + 1
|
|
|
|
return dependencies
|
|
|
|
def DirectAndImportedDependencies(self, targets, dependencies=None):
|
|
"""Returns a list of a target's direct dependencies and all indirect
|
|
dependencies that a dependency has advertised settings should be exported
|
|
through the dependency for.
|
|
"""
|
|
|
|
dependencies = self.DirectDependencies(dependencies)
|
|
return self._AddImportedDependencies(targets, dependencies)
|
|
|
|
def DeepDependencies(self, dependencies=None):
|
|
"""Returns a list of all of a target's dependencies, recursively."""
|
|
if dependencies == None:
|
|
dependencies = []
|
|
|
|
for dependency in self.dependencies:
|
|
# Check for None, corresponding to the root node.
|
|
if dependency.ref != None and dependency.ref not in dependencies:
|
|
dependencies.append(dependency.ref)
|
|
dependency.DeepDependencies(dependencies)
|
|
|
|
return dependencies
|
|
|
|
def LinkDependencies(self, targets, dependencies=None, initial=True):
|
|
"""Returns a list of dependency targets that are linked into this target.
|
|
|
|
This function has a split personality, depending on the setting of
|
|
|initial|. Outside callers should always leave |initial| at its default
|
|
setting.
|
|
|
|
When adding a target to the list of dependencies, this function will
|
|
recurse into itself with |initial| set to False, to collect dependencies
|
|
that are linked into the linkable target for which the list is being built.
|
|
"""
|
|
if dependencies == None:
|
|
dependencies = []
|
|
|
|
# Check for None, corresponding to the root node.
|
|
if self.ref == None:
|
|
return dependencies
|
|
|
|
# It's kind of sucky that |targets| has to be passed into this function,
|
|
# but that's presently the easiest way to access the target dicts so that
|
|
# this function can find target types.
|
|
|
|
if not 'target_name' in targets[self.ref]:
|
|
raise Exception("Missing 'target_name' field in target.")
|
|
|
|
try:
|
|
target_type = targets[self.ref]['type']
|
|
except KeyError, e:
|
|
raise Exception("Missing 'type' field in target %s" %
|
|
targets[self.ref]['target_name'])
|
|
|
|
is_linkable = target_type in linkable_types
|
|
|
|
if initial and not is_linkable:
|
|
# If this is the first target being examined and it's not linkable,
|
|
# return an empty list of link dependencies, because the link
|
|
# dependencies are intended to apply to the target itself (initial is
|
|
# True) and this target won't be linked.
|
|
return dependencies
|
|
|
|
# Executables and loadable modules are already fully and finally linked.
|
|
# Nothing else can be a link dependency of them, there can only be
|
|
# dependencies in the sense that a dependent target might run an
|
|
# executable or load the loadable_module.
|
|
if not initial and target_type in ('executable', 'loadable_module'):
|
|
return dependencies
|
|
|
|
# The target is linkable, add it to the list of link dependencies.
|
|
if self.ref not in dependencies:
|
|
dependencies.append(self.ref)
|
|
if initial or not is_linkable:
|
|
# If this is a subsequent target and it's linkable, don't look any
|
|
# further for linkable dependencies, as they'll already be linked into
|
|
# this target linkable. Always look at dependencies of the initial
|
|
# target, and always look at dependencies of non-linkables.
|
|
for dependency in self.dependencies:
|
|
dependency.LinkDependencies(targets, dependencies, False)
|
|
|
|
return dependencies
|
|
|
|
|
|
def BuildDependencyList(targets):
|
|
# Create a DependencyGraphNode for each target. Put it into a dict for easy
|
|
# access.
|
|
dependency_nodes = {}
|
|
for target, spec in targets.iteritems():
|
|
if not target in dependency_nodes:
|
|
dependency_nodes[target] = DependencyGraphNode(target)
|
|
|
|
# Set up the dependency links. Targets that have no dependencies are treated
|
|
# as dependent on root_node.
|
|
root_node = DependencyGraphNode(None)
|
|
for target, spec in targets.iteritems():
|
|
target_node = dependency_nodes[target]
|
|
target_build_file = gyp.common.BuildFile(target)
|
|
if not 'dependencies' in spec or len(spec['dependencies']) == 0:
|
|
target_node.dependencies = [root_node]
|
|
root_node.dependents.append(target_node)
|
|
else:
|
|
dependencies = spec['dependencies']
|
|
for index in xrange(0, len(dependencies)):
|
|
try:
|
|
dependency = dependencies[index]
|
|
dependency_node = dependency_nodes[dependency]
|
|
target_node.dependencies.append(dependency_node)
|
|
dependency_node.dependents.append(target_node)
|
|
except KeyError, e:
|
|
gyp.common.ExceptionAppend(e,
|
|
'while trying to load target %s' % target)
|
|
raise
|
|
|
|
flat_list = root_node.FlattenToList()
|
|
|
|
# If there's anything left unvisited, there must be a circular dependency
|
|
# (cycle). If you need to figure out what's wrong, look for elements of
|
|
# targets that are not in flat_list.
|
|
if len(flat_list) != len(targets):
|
|
raise DependencyGraphNode.CircularException, \
|
|
'Some targets not reachable, cycle in dependency graph detected'
|
|
|
|
return [dependency_nodes, flat_list]
|
|
|
|
|
|
def VerifyNoGYPFileCircularDependencies(targets):
|
|
# Create a DependencyGraphNode for each gyp file containing a target. Put
|
|
# it into a dict for easy access.
|
|
dependency_nodes = {}
|
|
for target in targets.iterkeys():
|
|
build_file = gyp.common.BuildFile(target)
|
|
if not build_file in dependency_nodes:
|
|
dependency_nodes[build_file] = DependencyGraphNode(build_file)
|
|
|
|
# Set up the dependency links.
|
|
for target, spec in targets.iteritems():
|
|
build_file = gyp.common.BuildFile(target)
|
|
build_file_node = dependency_nodes[build_file]
|
|
target_dependencies = spec.get('dependencies', [])
|
|
for dependency in target_dependencies:
|
|
try:
|
|
dependency_build_file = gyp.common.BuildFile(dependency)
|
|
if dependency_build_file == build_file:
|
|
# A .gyp file is allowed to refer back to itself.
|
|
continue
|
|
dependency_node = dependency_nodes[dependency_build_file]
|
|
if dependency_node not in build_file_node.dependencies:
|
|
build_file_node.dependencies.append(dependency_node)
|
|
dependency_node.dependents.append(build_file_node)
|
|
except KeyError, e:
|
|
gyp.common.ExceptionAppend(
|
|
e, 'while computing dependencies of .gyp file %s' % build_file)
|
|
raise
|
|
|
|
# Files that have no dependencies are treated as dependent on root_node.
|
|
root_node = DependencyGraphNode(None)
|
|
for build_file_node in dependency_nodes.itervalues():
|
|
if len(build_file_node.dependencies) == 0:
|
|
build_file_node.dependencies.append(root_node)
|
|
root_node.dependents.append(build_file_node)
|
|
|
|
flat_list = root_node.FlattenToList()
|
|
|
|
# If there's anything left unvisited, there must be a circular dependency
|
|
# (cycle).
|
|
if len(flat_list) != len(dependency_nodes):
|
|
bad_files = []
|
|
for file in dependency_nodes.iterkeys():
|
|
if not file in flat_list:
|
|
bad_files.append(file)
|
|
raise DependencyGraphNode.CircularException, \
|
|
'Some files not reachable, cycle in .gyp file dependency graph ' + \
|
|
'detected involving some or all of: ' + \
|
|
' '.join(bad_files)
|
|
|
|
|
|
def DoDependentSettings(key, flat_list, targets, dependency_nodes):
|
|
# key should be one of all_dependent_settings, direct_dependent_settings,
|
|
# or link_settings.
|
|
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
build_file = gyp.common.BuildFile(target)
|
|
|
|
if key == 'all_dependent_settings':
|
|
dependencies = dependency_nodes[target].DeepDependencies()
|
|
elif key == 'direct_dependent_settings':
|
|
dependencies = \
|
|
dependency_nodes[target].DirectAndImportedDependencies(targets)
|
|
elif key == 'link_settings':
|
|
dependencies = dependency_nodes[target].LinkDependencies(targets)
|
|
else:
|
|
raise KeyError, "DoDependentSettings doesn't know how to determine " + \
|
|
'dependencies for ' + key
|
|
|
|
for dependency in dependencies:
|
|
dependency_dict = targets[dependency]
|
|
if not key in dependency_dict:
|
|
continue
|
|
dependency_build_file = gyp.common.BuildFile(dependency)
|
|
MergeDicts(target_dict, dependency_dict[key],
|
|
build_file, dependency_build_file)
|
|
|
|
|
|
def AdjustStaticLibraryDependencies(flat_list, targets, dependency_nodes,
|
|
sort_dependencies):
|
|
# Recompute target "dependencies" properties. For each static library
|
|
# target, remove "dependencies" entries referring to other static libraries,
|
|
# unless the dependency has the "hard_dependency" attribute set. For each
|
|
# linkable target, add a "dependencies" entry referring to all of the
|
|
# target's computed list of link dependencies (including static libraries
|
|
# if no such entry is already present.
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
target_type = target_dict['type']
|
|
|
|
if target_type == 'static_library':
|
|
if not 'dependencies' in target_dict:
|
|
continue
|
|
|
|
target_dict['dependencies_original'] = target_dict.get(
|
|
'dependencies', [])[:]
|
|
|
|
# A static library should not depend on another static library unless
|
|
# the dependency relationship is "hard," which should only be done when
|
|
# a dependent relies on some side effect other than just the build
|
|
# product, like a rule or action output. Further, if a target has a
|
|
# non-hard dependency, but that dependency exports a hard dependency,
|
|
# the non-hard dependency can safely be removed, but the exported hard
|
|
# dependency must be added to the target to keep the same dependency
|
|
# ordering.
|
|
dependencies = \
|
|
dependency_nodes[target].DirectAndImportedDependencies(targets)
|
|
index = 0
|
|
while index < len(dependencies):
|
|
dependency = dependencies[index]
|
|
dependency_dict = targets[dependency]
|
|
|
|
# Remove every non-hard static library dependency and remove every
|
|
# non-static library dependency that isn't a direct dependency.
|
|
if (dependency_dict['type'] == 'static_library' and \
|
|
not dependency_dict.get('hard_dependency', False)) or \
|
|
(dependency_dict['type'] != 'static_library' and \
|
|
not dependency in target_dict['dependencies']):
|
|
# Take the dependency out of the list, and don't increment index
|
|
# because the next dependency to analyze will shift into the index
|
|
# formerly occupied by the one being removed.
|
|
del dependencies[index]
|
|
else:
|
|
index = index + 1
|
|
|
|
# Update the dependencies. If the dependencies list is empty, it's not
|
|
# needed, so unhook it.
|
|
if len(dependencies) > 0:
|
|
target_dict['dependencies'] = dependencies
|
|
else:
|
|
del target_dict['dependencies']
|
|
|
|
elif target_type in linkable_types:
|
|
# Get a list of dependency targets that should be linked into this
|
|
# target. Add them to the dependencies list if they're not already
|
|
# present.
|
|
|
|
link_dependencies = dependency_nodes[target].LinkDependencies(targets)
|
|
for dependency in link_dependencies:
|
|
if dependency == target:
|
|
continue
|
|
if not 'dependencies' in target_dict:
|
|
target_dict['dependencies'] = []
|
|
if not dependency in target_dict['dependencies']:
|
|
target_dict['dependencies'].append(dependency)
|
|
# Sort the dependencies list in the order from dependents to dependencies.
|
|
# e.g. If A and B depend on C and C depends on D, sort them in A, B, C, D.
|
|
# Note: flat_list is already sorted in the order from dependencies to
|
|
# dependents.
|
|
if sort_dependencies and 'dependencies' in target_dict:
|
|
target_dict['dependencies'] = [dep for dep in reversed(flat_list)
|
|
if dep in target_dict['dependencies']]
|
|
|
|
|
|
# Initialize this here to speed up MakePathRelative.
|
|
exception_re = re.compile(r'''["']?[-/$<>]''')
|
|
|
|
|
|
def MakePathRelative(to_file, fro_file, item):
|
|
# If item is a relative path, it's relative to the build file dict that it's
|
|
# coming from. Fix it up to make it relative to the build file dict that
|
|
# it's going into.
|
|
# Exception: any |item| that begins with these special characters is
|
|
# returned without modification.
|
|
# / Used when a path is already absolute (shortcut optimization;
|
|
# such paths would be returned as absolute anyway)
|
|
# $ Used for build environment variables
|
|
# - Used for some build environment flags (such as -lapr-1 in a
|
|
# "libraries" section)
|
|
# < Used for our own variable and command expansions (see ExpandVariables)
|
|
# > Used for our own variable and command expansions (see ExpandVariables)
|
|
#
|
|
# "/' Used when a value is quoted. If these are present, then we
|
|
# check the second character instead.
|
|
#
|
|
if to_file == fro_file or exception_re.match(item):
|
|
return item
|
|
else:
|
|
# TODO(dglazkov) The backslash/forward-slash replacement at the end is a
|
|
# temporary measure. This should really be addressed by keeping all paths
|
|
# in POSIX until actual project generation.
|
|
ret = os.path.normpath(os.path.join(
|
|
gyp.common.RelativePath(os.path.dirname(fro_file),
|
|
os.path.dirname(to_file)),
|
|
item)).replace('\\', '/')
|
|
if item[-1] == '/':
|
|
ret += '/'
|
|
return ret
|
|
|
|
def MergeLists(to, fro, to_file, fro_file, is_paths=False, append=True):
|
|
def is_hashable(x):
|
|
try:
|
|
hash(x)
|
|
except TypeError:
|
|
return False
|
|
return True
|
|
# If x is hashable, returns whether x is in s. Else returns whether x is in l.
|
|
def is_in_set_or_list(x, s, l):
|
|
if is_hashable(x):
|
|
return x in s
|
|
return x in l
|
|
|
|
prepend_index = 0
|
|
|
|
# Make membership testing of hashables in |to| (in particular, strings)
|
|
# faster.
|
|
hashable_to_set = set([x for x in to if is_hashable(x)])
|
|
|
|
for item in fro:
|
|
singleton = False
|
|
if isinstance(item, str) or isinstance(item, int):
|
|
# The cheap and easy case.
|
|
if is_paths:
|
|
to_item = MakePathRelative(to_file, fro_file, item)
|
|
else:
|
|
to_item = item
|
|
|
|
if not isinstance(item, str) or not item.startswith('-'):
|
|
# Any string that doesn't begin with a "-" is a singleton - it can
|
|
# only appear once in a list, to be enforced by the list merge append
|
|
# or prepend.
|
|
singleton = True
|
|
elif isinstance(item, dict):
|
|
# Make a copy of the dictionary, continuing to look for paths to fix.
|
|
# The other intelligent aspects of merge processing won't apply because
|
|
# item is being merged into an empty dict.
|
|
to_item = {}
|
|
MergeDicts(to_item, item, to_file, fro_file)
|
|
elif isinstance(item, list):
|
|
# Recurse, making a copy of the list. If the list contains any
|
|
# descendant dicts, path fixing will occur. Note that here, custom
|
|
# values for is_paths and append are dropped; those are only to be
|
|
# applied to |to| and |fro|, not sublists of |fro|. append shouldn't
|
|
# matter anyway because the new |to_item| list is empty.
|
|
to_item = []
|
|
MergeLists(to_item, item, to_file, fro_file)
|
|
else:
|
|
raise TypeError, \
|
|
'Attempt to merge list item of unsupported type ' + \
|
|
item.__class__.__name__
|
|
|
|
if append:
|
|
# If appending a singleton that's already in the list, don't append.
|
|
# This ensures that the earliest occurrence of the item will stay put.
|
|
if not singleton or not is_in_set_or_list(to_item, hashable_to_set, to):
|
|
to.append(to_item)
|
|
if is_hashable(to_item):
|
|
hashable_to_set.add(to_item)
|
|
else:
|
|
# If prepending a singleton that's already in the list, remove the
|
|
# existing instance and proceed with the prepend. This ensures that the
|
|
# item appears at the earliest possible position in the list.
|
|
while singleton and to_item in to:
|
|
to.remove(to_item)
|
|
|
|
# Don't just insert everything at index 0. That would prepend the new
|
|
# items to the list in reverse order, which would be an unwelcome
|
|
# surprise.
|
|
to.insert(prepend_index, to_item)
|
|
if is_hashable(to_item):
|
|
hashable_to_set.add(to_item)
|
|
prepend_index = prepend_index + 1
|
|
|
|
|
|
def MergeDicts(to, fro, to_file, fro_file):
|
|
# I wanted to name the parameter "from" but it's a Python keyword...
|
|
for k, v in fro.iteritems():
|
|
# It would be nice to do "if not k in to: to[k] = v" but that wouldn't give
|
|
# copy semantics. Something else may want to merge from the |fro| dict
|
|
# later, and having the same dict ref pointed to twice in the tree isn't
|
|
# what anyone wants considering that the dicts may subsequently be
|
|
# modified.
|
|
if k in to:
|
|
bad_merge = False
|
|
if isinstance(v, str) or isinstance(v, int):
|
|
if not (isinstance(to[k], str) or isinstance(to[k], int)):
|
|
bad_merge = True
|
|
elif v.__class__ != to[k].__class__:
|
|
bad_merge = True
|
|
|
|
if bad_merge:
|
|
raise TypeError, \
|
|
'Attempt to merge dict value of type ' + v.__class__.__name__ + \
|
|
' into incompatible type ' + to[k].__class__.__name__ + \
|
|
' for key ' + k
|
|
if isinstance(v, str) or isinstance(v, int):
|
|
# Overwrite the existing value, if any. Cheap and easy.
|
|
is_path = IsPathSection(k)
|
|
if is_path:
|
|
to[k] = MakePathRelative(to_file, fro_file, v)
|
|
else:
|
|
to[k] = v
|
|
elif isinstance(v, dict):
|
|
# Recurse, guaranteeing copies will be made of objects that require it.
|
|
if not k in to:
|
|
to[k] = {}
|
|
MergeDicts(to[k], v, to_file, fro_file)
|
|
elif isinstance(v, list):
|
|
# Lists in dicts can be merged with different policies, depending on
|
|
# how the key in the "from" dict (k, the from-key) is written.
|
|
#
|
|
# If the from-key has ...the to-list will have this action
|
|
# this character appended:... applied when receiving the from-list:
|
|
# = replace
|
|
# + prepend
|
|
# ? set, only if to-list does not yet exist
|
|
# (none) append
|
|
#
|
|
# This logic is list-specific, but since it relies on the associated
|
|
# dict key, it's checked in this dict-oriented function.
|
|
ext = k[-1]
|
|
append = True
|
|
if ext == '=':
|
|
list_base = k[:-1]
|
|
lists_incompatible = [list_base, list_base + '?']
|
|
to[list_base] = []
|
|
elif ext == '+':
|
|
list_base = k[:-1]
|
|
lists_incompatible = [list_base + '=', list_base + '?']
|
|
append = False
|
|
elif ext == '?':
|
|
list_base = k[:-1]
|
|
lists_incompatible = [list_base, list_base + '=', list_base + '+']
|
|
else:
|
|
list_base = k
|
|
lists_incompatible = [list_base + '=', list_base + '?']
|
|
|
|
# Some combinations of merge policies appearing together are meaningless.
|
|
# It's stupid to replace and append simultaneously, for example. Append
|
|
# and prepend are the only policies that can coexist.
|
|
for list_incompatible in lists_incompatible:
|
|
if list_incompatible in fro:
|
|
raise KeyError, 'Incompatible list policies ' + k + ' and ' + \
|
|
list_incompatible
|
|
|
|
if list_base in to:
|
|
if ext == '?':
|
|
# If the key ends in "?", the list will only be merged if it doesn't
|
|
# already exist.
|
|
continue
|
|
if not isinstance(to[list_base], list):
|
|
# This may not have been checked above if merging in a list with an
|
|
# extension character.
|
|
raise TypeError, \
|
|
'Attempt to merge dict value of type ' + v.__class__.__name__ + \
|
|
' into incompatible type ' + to[list_base].__class__.__name__ + \
|
|
' for key ' + list_base + '(' + k + ')'
|
|
else:
|
|
to[list_base] = []
|
|
|
|
# Call MergeLists, which will make copies of objects that require it.
|
|
# MergeLists can recurse back into MergeDicts, although this will be
|
|
# to make copies of dicts (with paths fixed), there will be no
|
|
# subsequent dict "merging" once entering a list because lists are
|
|
# always replaced, appended to, or prepended to.
|
|
is_paths = IsPathSection(list_base)
|
|
MergeLists(to[list_base], v, to_file, fro_file, is_paths, append)
|
|
else:
|
|
raise TypeError, \
|
|
'Attempt to merge dict value of unsupported type ' + \
|
|
v.__class__.__name__ + ' for key ' + k
|
|
|
|
|
|
def MergeConfigWithInheritance(new_configuration_dict, build_file,
|
|
target_dict, configuration, visited):
|
|
# Skip if previously visted.
|
|
if configuration in visited:
|
|
return
|
|
|
|
# Look at this configuration.
|
|
configuration_dict = target_dict['configurations'][configuration]
|
|
|
|
# Merge in parents.
|
|
for parent in configuration_dict.get('inherit_from', []):
|
|
MergeConfigWithInheritance(new_configuration_dict, build_file,
|
|
target_dict, parent, visited + [configuration])
|
|
|
|
# Merge it into the new config.
|
|
MergeDicts(new_configuration_dict, configuration_dict,
|
|
build_file, build_file)
|
|
|
|
# Drop abstract.
|
|
if 'abstract' in new_configuration_dict:
|
|
del new_configuration_dict['abstract']
|
|
|
|
|
|
def SetUpConfigurations(target, target_dict):
|
|
global non_configuration_keys
|
|
# key_suffixes is a list of key suffixes that might appear on key names.
|
|
# These suffixes are handled in conditional evaluations (for =, +, and ?)
|
|
# and rules/exclude processing (for ! and /). Keys with these suffixes
|
|
# should be treated the same as keys without.
|
|
key_suffixes = ['=', '+', '?', '!', '/']
|
|
|
|
build_file = gyp.common.BuildFile(target)
|
|
|
|
# Provide a single configuration by default if none exists.
|
|
# TODO(mark): Signal an error if default_configurations exists but
|
|
# configurations does not.
|
|
if not 'configurations' in target_dict:
|
|
target_dict['configurations'] = {'Default': {}}
|
|
if not 'default_configuration' in target_dict:
|
|
concrete = [i for i in target_dict['configurations'].keys()
|
|
if not target_dict['configurations'][i].get('abstract')]
|
|
target_dict['default_configuration'] = sorted(concrete)[0]
|
|
|
|
for configuration in target_dict['configurations'].keys():
|
|
old_configuration_dict = target_dict['configurations'][configuration]
|
|
# Skip abstract configurations (saves work only).
|
|
if old_configuration_dict.get('abstract'):
|
|
continue
|
|
# Configurations inherit (most) settings from the enclosing target scope.
|
|
# Get the inheritance relationship right by making a copy of the target
|
|
# dict.
|
|
new_configuration_dict = copy.deepcopy(target_dict)
|
|
|
|
# Take out the bits that don't belong in a "configurations" section.
|
|
# Since configuration setup is done before conditional, exclude, and rules
|
|
# processing, be careful with handling of the suffix characters used in
|
|
# those phases.
|
|
delete_keys = []
|
|
for key in new_configuration_dict:
|
|
key_ext = key[-1:]
|
|
if key_ext in key_suffixes:
|
|
key_base = key[:-1]
|
|
else:
|
|
key_base = key
|
|
if key_base in non_configuration_keys:
|
|
delete_keys.append(key)
|
|
|
|
for key in delete_keys:
|
|
del new_configuration_dict[key]
|
|
|
|
# Merge in configuration (with all its parents first).
|
|
MergeConfigWithInheritance(new_configuration_dict, build_file,
|
|
target_dict, configuration, [])
|
|
|
|
# Put the new result back into the target dict as a configuration.
|
|
target_dict['configurations'][configuration] = new_configuration_dict
|
|
|
|
# Now drop all the abstract ones.
|
|
for configuration in target_dict['configurations'].keys():
|
|
old_configuration_dict = target_dict['configurations'][configuration]
|
|
if old_configuration_dict.get('abstract'):
|
|
del target_dict['configurations'][configuration]
|
|
|
|
# Now that all of the target's configurations have been built, go through
|
|
# the target dict's keys and remove everything that's been moved into a
|
|
# "configurations" section.
|
|
delete_keys = []
|
|
for key in target_dict:
|
|
key_ext = key[-1:]
|
|
if key_ext in key_suffixes:
|
|
key_base = key[:-1]
|
|
else:
|
|
key_base = key
|
|
if not key_base in non_configuration_keys:
|
|
delete_keys.append(key)
|
|
for key in delete_keys:
|
|
del target_dict[key]
|
|
|
|
# Check the configurations to see if they contain invalid keys.
|
|
for configuration in target_dict['configurations'].keys():
|
|
configuration_dict = target_dict['configurations'][configuration]
|
|
for key in configuration_dict.keys():
|
|
if key in invalid_configuration_keys:
|
|
raise KeyError, ('%s not allowed in the %s configuration, found in '
|
|
'target %s' % (key, configuration, target))
|
|
|
|
|
|
|
|
def ProcessListFiltersInDict(name, the_dict):
|
|
"""Process regular expression and exclusion-based filters on lists.
|
|
|
|
An exclusion list is in a dict key named with a trailing "!", like
|
|
"sources!". Every item in such a list is removed from the associated
|
|
main list, which in this example, would be "sources". Removed items are
|
|
placed into a "sources_excluded" list in the dict.
|
|
|
|
Regular expression (regex) filters are contained in dict keys named with a
|
|
trailing "/", such as "sources/" to operate on the "sources" list. Regex
|
|
filters in a dict take the form:
|
|
'sources/': [ ['exclude', '_(linux|mac|win)\\.cc$'],
|
|
['include', '_mac\\.cc$'] ],
|
|
The first filter says to exclude all files ending in _linux.cc, _mac.cc, and
|
|
_win.cc. The second filter then includes all files ending in _mac.cc that
|
|
are now or were once in the "sources" list. Items matching an "exclude"
|
|
filter are subject to the same processing as would occur if they were listed
|
|
by name in an exclusion list (ending in "!"). Items matching an "include"
|
|
filter are brought back into the main list if previously excluded by an
|
|
exclusion list or exclusion regex filter. Subsequent matching "exclude"
|
|
patterns can still cause items to be excluded after matching an "include".
|
|
"""
|
|
|
|
# Look through the dictionary for any lists whose keys end in "!" or "/".
|
|
# These are lists that will be treated as exclude lists and regular
|
|
# expression-based exclude/include lists. Collect the lists that are
|
|
# needed first, looking for the lists that they operate on, and assemble
|
|
# then into |lists|. This is done in a separate loop up front, because
|
|
# the _included and _excluded keys need to be added to the_dict, and that
|
|
# can't be done while iterating through it.
|
|
|
|
lists = []
|
|
del_lists = []
|
|
for key, value in the_dict.iteritems():
|
|
operation = key[-1]
|
|
if operation != '!' and operation != '/':
|
|
continue
|
|
|
|
if not isinstance(value, list):
|
|
raise ValueError, name + ' key ' + key + ' must be list, not ' + \
|
|
value.__class__.__name__
|
|
|
|
list_key = key[:-1]
|
|
if list_key not in the_dict:
|
|
# This happens when there's a list like "sources!" but no corresponding
|
|
# "sources" list. Since there's nothing for it to operate on, queue up
|
|
# the "sources!" list for deletion now.
|
|
del_lists.append(key)
|
|
continue
|
|
|
|
if not isinstance(the_dict[list_key], list):
|
|
raise ValueError, name + ' key ' + list_key + \
|
|
' must be list, not ' + \
|
|
value.__class__.__name__ + ' when applying ' + \
|
|
{'!': 'exclusion', '/': 'regex'}[operation]
|
|
|
|
if not list_key in lists:
|
|
lists.append(list_key)
|
|
|
|
# Delete the lists that are known to be unneeded at this point.
|
|
for del_list in del_lists:
|
|
del the_dict[del_list]
|
|
|
|
for list_key in lists:
|
|
the_list = the_dict[list_key]
|
|
|
|
# Initialize the list_actions list, which is parallel to the_list. Each
|
|
# item in list_actions identifies whether the corresponding item in
|
|
# the_list should be excluded, unconditionally preserved (included), or
|
|
# whether no exclusion or inclusion has been applied. Items for which
|
|
# no exclusion or inclusion has been applied (yet) have value -1, items
|
|
# excluded have value 0, and items included have value 1. Includes and
|
|
# excludes override previous actions. All items in list_actions are
|
|
# initialized to -1 because no excludes or includes have been processed
|
|
# yet.
|
|
list_actions = list((-1,) * len(the_list))
|
|
|
|
exclude_key = list_key + '!'
|
|
if exclude_key in the_dict:
|
|
for exclude_item in the_dict[exclude_key]:
|
|
for index in xrange(0, len(the_list)):
|
|
if exclude_item == the_list[index]:
|
|
# This item matches the exclude_item, so set its action to 0
|
|
# (exclude).
|
|
list_actions[index] = 0
|
|
|
|
# The "whatever!" list is no longer needed, dump it.
|
|
del the_dict[exclude_key]
|
|
|
|
regex_key = list_key + '/'
|
|
if regex_key in the_dict:
|
|
for regex_item in the_dict[regex_key]:
|
|
[action, pattern] = regex_item
|
|
pattern_re = re.compile(pattern)
|
|
|
|
if action == 'exclude':
|
|
# This item matches an exclude regex, so set its value to 0 (exclude).
|
|
action_value = 0
|
|
elif action == 'include':
|
|
# This item matches an include regex, so set its value to 1 (include).
|
|
action_value = 1
|
|
else:
|
|
# This is an action that doesn't make any sense.
|
|
raise ValueError, 'Unrecognized action ' + action + ' in ' + name + \
|
|
' key ' + key
|
|
|
|
for index in xrange(0, len(the_list)):
|
|
list_item = the_list[index]
|
|
if list_actions[index] == action_value:
|
|
# Even if the regex matches, nothing will change so continue (regex
|
|
# searches are expensive).
|
|
continue
|
|
if pattern_re.search(list_item):
|
|
# Regular expression match.
|
|
list_actions[index] = action_value
|
|
|
|
# The "whatever/" list is no longer needed, dump it.
|
|
del the_dict[regex_key]
|
|
|
|
# Add excluded items to the excluded list.
|
|
#
|
|
# Note that exclude_key ("sources!") is different from excluded_key
|
|
# ("sources_excluded"). The exclude_key list is input and it was already
|
|
# processed and deleted; the excluded_key list is output and it's about
|
|
# to be created.
|
|
excluded_key = list_key + '_excluded'
|
|
if excluded_key in the_dict:
|
|
raise KeyError, \
|
|
name + ' key ' + excluded_key + ' must not be present prior ' + \
|
|
' to applying exclusion/regex filters for ' + list_key
|
|
|
|
excluded_list = []
|
|
|
|
# Go backwards through the list_actions list so that as items are deleted,
|
|
# the indices of items that haven't been seen yet don't shift. That means
|
|
# that things need to be prepended to excluded_list to maintain them in the
|
|
# same order that they existed in the_list.
|
|
for index in xrange(len(list_actions) - 1, -1, -1):
|
|
if list_actions[index] == 0:
|
|
# Dump anything with action 0 (exclude). Keep anything with action 1
|
|
# (include) or -1 (no include or exclude seen for the item).
|
|
excluded_list.insert(0, the_list[index])
|
|
del the_list[index]
|
|
|
|
# If anything was excluded, put the excluded list into the_dict at
|
|
# excluded_key.
|
|
if len(excluded_list) > 0:
|
|
the_dict[excluded_key] = excluded_list
|
|
|
|
# Now recurse into subdicts and lists that may contain dicts.
|
|
for key, value in the_dict.iteritems():
|
|
if isinstance(value, dict):
|
|
ProcessListFiltersInDict(key, value)
|
|
elif isinstance(value, list):
|
|
ProcessListFiltersInList(key, value)
|
|
|
|
|
|
def ProcessListFiltersInList(name, the_list):
|
|
for item in the_list:
|
|
if isinstance(item, dict):
|
|
ProcessListFiltersInDict(name, item)
|
|
elif isinstance(item, list):
|
|
ProcessListFiltersInList(name, item)
|
|
|
|
|
|
def ValidateRulesInTarget(target, target_dict, extra_sources_for_rules):
|
|
"""Ensures that the rules sections in target_dict are valid and consistent,
|
|
and determines which sources they apply to.
|
|
|
|
Arguments:
|
|
target: string, name of target.
|
|
target_dict: dict, target spec containing "rules" and "sources" lists.
|
|
extra_sources_for_rules: a list of keys to scan for rule matches in
|
|
addition to 'sources'.
|
|
"""
|
|
|
|
# Dicts to map between values found in rules' 'rule_name' and 'extension'
|
|
# keys and the rule dicts themselves.
|
|
rule_names = {}
|
|
rule_extensions = {}
|
|
|
|
rules = target_dict.get('rules', [])
|
|
for rule in rules:
|
|
# Make sure that there's no conflict among rule names and extensions.
|
|
rule_name = rule['rule_name']
|
|
if rule_name in rule_names:
|
|
raise KeyError, 'rule %s exists in duplicate, target %s' % \
|
|
(rule_name, target)
|
|
rule_names[rule_name] = rule
|
|
|
|
rule_extension = rule['extension']
|
|
if rule_extension in rule_extensions:
|
|
raise KeyError, ('extension %s associated with multiple rules, ' +
|
|
'target %s rules %s and %s') % \
|
|
(rule_extension, target,
|
|
rule_extensions[rule_extension]['rule_name'],
|
|
rule_name)
|
|
rule_extensions[rule_extension] = rule
|
|
|
|
# Make sure rule_sources isn't already there. It's going to be
|
|
# created below if needed.
|
|
if 'rule_sources' in rule:
|
|
raise KeyError, \
|
|
'rule_sources must not exist in input, target %s rule %s' % \
|
|
(target, rule_name)
|
|
extension = rule['extension']
|
|
|
|
rule_sources = []
|
|
source_keys = ['sources']
|
|
source_keys.extend(extra_sources_for_rules)
|
|
for source_key in source_keys:
|
|
for source in target_dict.get(source_key, []):
|
|
(source_root, source_extension) = os.path.splitext(source)
|
|
if source_extension.startswith('.'):
|
|
source_extension = source_extension[1:]
|
|
if source_extension == extension:
|
|
rule_sources.append(source)
|
|
|
|
if len(rule_sources) > 0:
|
|
rule['rule_sources'] = rule_sources
|
|
|
|
|
|
def ValidateActionsInTarget(target, target_dict, build_file):
|
|
'''Validates the inputs to the actions in a target.'''
|
|
target_name = target_dict.get('target_name')
|
|
actions = target_dict.get('actions', [])
|
|
for action in actions:
|
|
action_name = action.get('action_name')
|
|
if not action_name:
|
|
raise Exception("Anonymous action in target %s. "
|
|
"An action must have an 'action_name' field." %
|
|
target_name)
|
|
inputs = action.get('inputs', [])
|
|
|
|
|
|
def ValidateRunAsInTarget(target, target_dict, build_file):
|
|
target_name = target_dict.get('target_name')
|
|
run_as = target_dict.get('run_as')
|
|
if not run_as:
|
|
return
|
|
if not isinstance(run_as, dict):
|
|
raise Exception("The 'run_as' in target %s from file %s should be a "
|
|
"dictionary." %
|
|
(target_name, build_file))
|
|
action = run_as.get('action')
|
|
if not action:
|
|
raise Exception("The 'run_as' in target %s from file %s must have an "
|
|
"'action' section." %
|
|
(target_name, build_file))
|
|
if not isinstance(action, list):
|
|
raise Exception("The 'action' for 'run_as' in target %s from file %s "
|
|
"must be a list." %
|
|
(target_name, build_file))
|
|
working_directory = run_as.get('working_directory')
|
|
if working_directory and not isinstance(working_directory, str):
|
|
raise Exception("The 'working_directory' for 'run_as' in target %s "
|
|
"in file %s should be a string." %
|
|
(target_name, build_file))
|
|
environment = run_as.get('environment')
|
|
if environment and not isinstance(environment, dict):
|
|
raise Exception("The 'environment' for 'run_as' in target %s "
|
|
"in file %s should be a dictionary." %
|
|
(target_name, build_file))
|
|
|
|
|
|
def TurnIntIntoStrInDict(the_dict):
|
|
"""Given dict the_dict, recursively converts all integers into strings.
|
|
"""
|
|
# Use items instead of iteritems because there's no need to try to look at
|
|
# reinserted keys and their associated values.
|
|
for k, v in the_dict.items():
|
|
if isinstance(v, int):
|
|
v = str(v)
|
|
the_dict[k] = v
|
|
elif isinstance(v, dict):
|
|
TurnIntIntoStrInDict(v)
|
|
elif isinstance(v, list):
|
|
TurnIntIntoStrInList(v)
|
|
|
|
if isinstance(k, int):
|
|
the_dict[str(k)] = v
|
|
del the_dict[k]
|
|
|
|
|
|
def TurnIntIntoStrInList(the_list):
|
|
"""Given list the_list, recursively converts all integers into strings.
|
|
"""
|
|
for index in xrange(0, len(the_list)):
|
|
item = the_list[index]
|
|
if isinstance(item, int):
|
|
the_list[index] = str(item)
|
|
elif isinstance(item, dict):
|
|
TurnIntIntoStrInDict(item)
|
|
elif isinstance(item, list):
|
|
TurnIntIntoStrInList(item)
|
|
|
|
|
|
def VerifyNoCollidingTargets(targets):
|
|
"""Verify that no two targets in the same directory share the same name.
|
|
|
|
Arguments:
|
|
targets: A list of targets in the form 'path/to/file.gyp:target_name'.
|
|
"""
|
|
# Keep a dict going from 'subdirectory:target_name' to 'foo.gyp'.
|
|
used = {}
|
|
for target in targets:
|
|
# Separate out 'path/to/file.gyp, 'target_name' from
|
|
# 'path/to/file.gyp:target_name'.
|
|
path, name = target.rsplit(':', 1)
|
|
# Separate out 'path/to', 'file.gyp' from 'path/to/file.gyp'.
|
|
subdir, gyp = os.path.split(path)
|
|
# Use '.' for the current directory '', so that the error messages make
|
|
# more sense.
|
|
if not subdir:
|
|
subdir = '.'
|
|
# Prepare a key like 'path/to:target_name'.
|
|
key = subdir + ':' + name
|
|
if key in used:
|
|
# Complain if this target is already used.
|
|
raise Exception('Duplicate target name "%s" in directory "%s" used both '
|
|
'in "%s" and "%s".' % (name, subdir, gyp, used[key]))
|
|
used[key] = gyp
|
|
|
|
|
|
def Load(build_files, variables, includes, depth, generator_input_info, check,
|
|
circular_check):
|
|
# Set up path_sections and non_configuration_keys with the default data plus
|
|
# the generator-specifc data.
|
|
global path_sections
|
|
path_sections = base_path_sections[:]
|
|
path_sections.extend(generator_input_info['path_sections'])
|
|
|
|
global non_configuration_keys
|
|
non_configuration_keys = base_non_configuration_keys[:]
|
|
non_configuration_keys.extend(generator_input_info['non_configuration_keys'])
|
|
|
|
# TODO(mark) handle variants if the generator doesn't want them directly.
|
|
generator_handles_variants = \
|
|
generator_input_info['generator_handles_variants']
|
|
|
|
global absolute_build_file_paths
|
|
absolute_build_file_paths = \
|
|
generator_input_info['generator_wants_absolute_build_file_paths']
|
|
|
|
global multiple_toolsets
|
|
multiple_toolsets = generator_input_info[
|
|
'generator_supports_multiple_toolsets']
|
|
|
|
# A generator can have other lists (in addition to sources) be processed
|
|
# for rules.
|
|
extra_sources_for_rules = generator_input_info['extra_sources_for_rules']
|
|
|
|
# Load build files. This loads every target-containing build file into
|
|
# the |data| dictionary such that the keys to |data| are build file names,
|
|
# and the values are the entire build file contents after "early" or "pre"
|
|
# processing has been done and includes have been resolved.
|
|
# NOTE: data contains both "target" files (.gyp) and "includes" (.gypi), as
|
|
# well as meta-data (e.g. 'included_files' key). 'target_build_files' keeps
|
|
# track of the keys corresponding to "target" files.
|
|
data = {'target_build_files': set()}
|
|
aux_data = {}
|
|
for build_file in build_files:
|
|
# Normalize paths everywhere. This is important because paths will be
|
|
# used as keys to the data dict and for references between input files.
|
|
build_file = os.path.normpath(build_file)
|
|
try:
|
|
LoadTargetBuildFile(build_file, data, aux_data, variables, includes,
|
|
depth, check)
|
|
except Exception, e:
|
|
gyp.common.ExceptionAppend(e, 'while trying to load %s' % build_file)
|
|
raise
|
|
|
|
# Build a dict to access each target's subdict by qualified name.
|
|
targets = BuildTargetsDict(data)
|
|
|
|
# Fully qualify all dependency links.
|
|
QualifyDependencies(targets)
|
|
|
|
# Expand dependencies specified as build_file:*.
|
|
ExpandWildcardDependencies(targets, data)
|
|
|
|
# Apply exclude (!) and regex (/) list filters only for dependency_sections.
|
|
for target_name, target_dict in targets.iteritems():
|
|
tmp_dict = {}
|
|
for key_base in dependency_sections:
|
|
for op in ('', '!', '/'):
|
|
key = key_base + op
|
|
if key in target_dict:
|
|
tmp_dict[key] = target_dict[key]
|
|
del target_dict[key]
|
|
ProcessListFiltersInDict(target_name, tmp_dict)
|
|
# Write the results back to |target_dict|.
|
|
for key in tmp_dict:
|
|
target_dict[key] = tmp_dict[key]
|
|
|
|
if circular_check:
|
|
# Make sure that any targets in a.gyp don't contain dependencies in other
|
|
# .gyp files that further depend on a.gyp.
|
|
VerifyNoGYPFileCircularDependencies(targets)
|
|
|
|
[dependency_nodes, flat_list] = BuildDependencyList(targets)
|
|
|
|
# Check that no two targets in the same directory have the same name.
|
|
VerifyNoCollidingTargets(flat_list)
|
|
|
|
# Handle dependent settings of various types.
|
|
for settings_type in ['all_dependent_settings',
|
|
'direct_dependent_settings',
|
|
'link_settings']:
|
|
DoDependentSettings(settings_type, flat_list, targets, dependency_nodes)
|
|
|
|
# Take out the dependent settings now that they've been published to all
|
|
# of the targets that require them.
|
|
for target in flat_list:
|
|
if settings_type in targets[target]:
|
|
del targets[target][settings_type]
|
|
|
|
# Make sure static libraries don't declare dependencies on other static
|
|
# libraries, but that linkables depend on all unlinked static libraries
|
|
# that they need so that their link steps will be correct.
|
|
gii = generator_input_info
|
|
if gii['generator_wants_static_library_dependencies_adjusted']:
|
|
AdjustStaticLibraryDependencies(flat_list, targets, dependency_nodes,
|
|
gii['generator_wants_sorted_dependencies'])
|
|
|
|
# Apply "post"/"late"/"target" variable expansions and condition evaluations.
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
build_file = gyp.common.BuildFile(target)
|
|
ProcessVariablesAndConditionsInDict(target_dict, True, variables,
|
|
build_file)
|
|
|
|
# Move everything that can go into a "configurations" section into one.
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
SetUpConfigurations(target, target_dict)
|
|
|
|
# Apply exclude (!) and regex (/) list filters.
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
ProcessListFiltersInDict(target, target_dict)
|
|
|
|
# Make sure that the rules make sense, and build up rule_sources lists as
|
|
# needed. Not all generators will need to use the rule_sources lists, but
|
|
# some may, and it seems best to build the list in a common spot.
|
|
# Also validate actions and run_as elements in targets.
|
|
for target in flat_list:
|
|
target_dict = targets[target]
|
|
build_file = gyp.common.BuildFile(target)
|
|
ValidateRulesInTarget(target, target_dict, extra_sources_for_rules)
|
|
ValidateRunAsInTarget(target, target_dict, build_file)
|
|
ValidateActionsInTarget(target, target_dict, build_file)
|
|
|
|
# Generators might not expect ints. Turn them into strs.
|
|
TurnIntIntoStrInDict(data)
|
|
|
|
# TODO(mark): Return |data| for now because the generator needs a list of
|
|
# build files that came in. In the future, maybe it should just accept
|
|
# a list, and not the whole data dict.
|
|
return [flat_list, targets, data]
|
|
|