Remove contents of grit's SVN repository.

grit/scons.py

-#!/usr/bin/env python
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-'''SCons integration for GRIT.
-'''
-
-# NOTE: DO NOT IMPORT ANY GRIT STUFF HERE - we import lazily so that
-# grit and its dependencies aren't imported until actually needed.
-
-import os
-import types
-
-def _IsDebugEnabled():
-  return 'GRIT_DEBUG' in os.environ and os.environ['GRIT_DEBUG'] == '1'
-
-def _SourceToFile(source):
-  '''Return the path to the source file, given the 'source' argument as provided
-  by SCons to the _Builder or _Emitter functions.
-  '''
-  # Get the filename of the source.  The 'source' parameter can be a string,
-  # a "node", or a list of strings or nodes.
-  if isinstance(source, types.ListType):
-    source = str(source[0])
-  else:
-    source = str(source)
-  return source
-
-
-def _ParseRcFlags(flags):
-  """Gets a mapping of defines.
-
-  Args:
-    flags: env['RCFLAGS']; the input defines.
-
-  Returns:
-    A tuple of (defines, res_file):
-      defines: A mapping of {name: val}
-      res_file: None, or the specified res file for static file dependencies.
-  """
-  from grit import util
-
-  defines = {}
-  res_file = None
-  # Get the CPP defines from the environment.
-  res_flag = '--res_file='
-  for flag in flags:
-    if flag.startswith(res_flag):
-      res_file = flag[len(res_flag):]
-      continue
-    if flag.startswith('/D'):
-      flag = flag[2:]
-    name, val = util.ParseDefine(flag)
-    # Only apply to first instance of a given define
-    if name not in defines:
-      defines[name] = val
-  return (defines, res_file)
-
-
-def _Builder(target, source, env):
-  print _SourceToFile(source)
-
-  from grit import grit_runner
-  from grit.tool import build
-  options = grit_runner.Options()
-  # This sets options to default values
-  options.ReadOptions([])
-  options.input = _SourceToFile(source)
-
-  # TODO(joi) Check if we can get the 'verbose' option from the environment.
-
-  builder = build.RcBuilder(defines=_ParseRcFlags(env['RCFLAGS'])[0])
-
-  # To ensure that our output files match what we promised SCons, we
-  # use the list of targets provided by SCons and update the file paths in
-  # our .grd input file with the targets.
-  builder.scons_targets = [str(t) for t in target]
-  builder.Run(options, [])
-  return None  # success
-
-
-def _GetOutputFiles(grd, base_dir):
-  """Processes outputs listed in the grd into rc_headers and rc_alls.
-
-  Note that anything that's not an rc_header is classified as an rc_all.
-
-  Args:
-    grd: An open GRD reader.
-
-  Returns:
-    A tuple of (rc_headers, rc_alls, lang_folders):
-      rc_headers: Outputs marked as rc_header.
-      rc_alls: All other outputs.
-      lang_folders: The output language folders.
-  """
-  rc_headers = []
-  rc_alls = []
-  lang_folders = {}
-
-  # Explicit output files.
-  for output in grd.GetOutputFiles():
-    path = os.path.join(base_dir, output.GetFilename())
-    if (output.GetType() == 'rc_header'):
-      rc_headers.append(path)
-    else:
-      rc_alls.append(path)
-    if _IsDebugEnabled():
-      print 'GRIT: Added target %s' % path
-    if output.attrs['lang'] != '':
-      lang_folders[output.attrs['lang']] = os.path.dirname(path)
-
-  return (rc_headers, rc_alls, lang_folders)
-
-
-def _ProcessNodes(grd, base_dir, lang_folders):
-  """Processes the GRD nodes to figure out file dependencies.
-
-  Args:
-    grd: An open GRD reader.
-    base_dir: The base directory for filenames.
-    lang_folders: THe output language folders.
-
-  Returns:
-    A tuple of (structure_outputs, translated_files, static_files):
-      structure_outputs: Structures marked as sconsdep.
-      translated_files: Files that are structures or skeletons, and get
-        translated by GRIT.
-      static_files: Files that are includes, and are used directly by res files.
-  """
-  structure_outputs = []
-  translated_files = []
-  static_files = []
-
-  # Go through nodes, figuring out resources.  Also output certain resources
-  # as build targets, based on the sconsdep flag.
-  for node in grd.ActiveDescendants():
-    with node:
-      file = node.ToRealPath(node.GetInputPath())
-      if node.name == 'structure':
-        translated_files.append(os.path.abspath(file))
-        # TODO(joi) Should remove the "if sconsdep is true" thing as it is a
-        # hack - see grit/node/structure.py
-        if node.HasFileForLanguage() and node.attrs['sconsdep'] == 'true':
-          for lang in lang_folders:
-            path = node.FileForLanguage(lang, lang_folders[lang],
-                                        create_file=False,
-                                        return_if_not_generated=False)
-            if path:
-              structure_outputs.append(path)
-              if _IsDebugEnabled():
-                print 'GRIT: Added target %s' % path
-      elif (node.name == 'skeleton' or (node.name == 'file' and node.parent and
-                                        node.parent.name == 'translations')):
-        translated_files.append(os.path.abspath(file))
-      elif node.name == 'include':
-        # If it's added by file name and the file isn't easy to find, don't make
-        # it a dependency.  This could add some build flakiness, but it doesn't
-        # work otherwise.
-        if node.attrs['filenameonly'] != 'true' or os.path.exists(file):
-          static_files.append(os.path.abspath(file))
-        # If it's output from mk, look in the output directory.
-        elif node.attrs['mkoutput'] == 'true':
-          static_files.append(os.path.join(base_dir, os.path.basename(file)))
-
-  return (structure_outputs, translated_files, static_files)
-
-
-def _SetDependencies(env, base_dir, res_file, rc_alls, translated_files,
-                     static_files):
-  """Sets dependencies in the environment.
-
-  Args:
-    env: The SCons environment.
-    base_dir: The base directory for filenames.
-    res_file: The res_file specified in the RC flags.
-    rc_alls: All non-rc_header outputs.
-    translated_files: Files that are structures or skeletons, and get
-      translated by GRIT.
-    static_files: Files that are includes, and are used directly by res files.
-  """
-  if res_file:
-    env.Depends(os.path.join(base_dir, res_file), static_files)
-  else:
-    # Make a best effort dependency setup when no res file is specified.
-    translated_files.extend(static_files)
-
-  for rc_all in rc_alls:
-    env.Depends(rc_all, translated_files)
-
-
-def _Emitter(target, source, env):
-  """Modifies the list of targets to include all outputs.
-
-  Note that this also sets up the dependencies, even though it's an emitter
-  rather than a scanner.  This is so that the resource header file doesn't show
-  as having dependencies.
-
-  Args:
-    target: The list of targets to emit for.
-    source: The source or list of sources for the target.
-    env: The SCons environment.
-
-  Returns:
-    A tuple of (targets, sources).
-  """
-  from grit import grd_reader
-  from grit import util
-
-  (defines, res_file) = _ParseRcFlags(env['RCFLAGS'])
-
-  grd = grd_reader.Parse(_SourceToFile(source), debug=_IsDebugEnabled())
-  # TODO(jperkins): This is a hack to get an output context set for the reader.
-  # This should really be smarter about the language.
-  grd.SetOutputLanguage('en')
-  grd.SetDefines(defines)
-
-  base_dir = util.dirname(str(target[0]))
-  (rc_headers, rc_alls, lang_folders) = _GetOutputFiles(grd, base_dir)
-  (structure_outputs, translated_files, static_files) = _ProcessNodes(grd,
-      base_dir, lang_folders)
-
-  rc_alls.extend(structure_outputs)
-  _SetDependencies(env, base_dir, res_file, rc_alls, translated_files,
-                   static_files)
-
-  targets = rc_headers
-  targets.extend(rc_alls)
-
-  # Return target and source lists.
-  return (targets, source)
-
-
-# Function name is mandated by newer versions of SCons.
-def generate(env):
-  # Importing this module should be possible whenever this function is invoked
-  # since it should only be invoked by SCons.
-  import SCons.Builder
-  import SCons.Action
-
-  # The varlist parameter tells SCons that GRIT needs to be invoked again
-  # if RCFLAGS has changed since last compilation.
-  build_action = SCons.Action.FunctionAction(_Builder, varlist=['RCFLAGS'])
-  emit_action = SCons.Action.FunctionAction(_Emitter, varlist=['RCFLAGS'])
-
-  builder = SCons.Builder.Builder(action=build_action, emitter=emit_action,
-                                  src_suffix='.grd')
-
-  # Add our builder and scanner to the environment.
-  env.Append(BUILDERS = {'GRIT': builder})
-
-
-# Function name is mandated by newer versions of SCons.
-def exists(env):
-  return 1