Update from https://crrev.com/303153

build/win/win_tool.py

Index: build/win/win_tool.py
diff --git a/build/win/win_tool.py b/build/win/win_tool.py
deleted file mode 100644
index 5281b9725f523212ba4c55eb0b471adc9f0904b8..0000000000000000000000000000000000000000
--- a/build/win/win_tool.py
+++ /dev/null
@@ -1,315 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright (c) 2012 Google Inc. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Utility functions for Windows builds.
-
-These functions are executed via gyp-win-tool when using the ninja generator.
-"""
-
-import os
-import re
-import shutil
-import subprocess
-import stat
-import string
-import sys
-
-BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-
-# A regex matching an argument corresponding to the output filename passed to
-# link.exe.
-_LINK_EXE_OUT_ARG = re.compile('/OUT:(?P<out>.+)$', re.IGNORECASE)
-
-def main(args):
-  executor = WinTool()
-  exit_code = executor.Dispatch(args)
-  if exit_code is not None:
-    sys.exit(exit_code)
-
-
-class WinTool(object):
-  """This class performs all the Windows tooling steps. The methods can either
-  be executed directly, or dispatched from an argument list."""
-
-  def _UseSeparateMspdbsrv(self, env, args):
-    """Allows to use a unique instance of mspdbsrv.exe per linker instead of a
-    shared one."""
-    if len(args) < 1:
-      raise Exception("Not enough arguments")
-
-    if args[0] != 'link.exe':
-      return
-
-    # Use the output filename passed to the linker to generate an endpoint name
-    # for mspdbsrv.exe.
-    endpoint_name = None
-    for arg in args:
-      m = _LINK_EXE_OUT_ARG.match(arg)
-      if m:
-        endpoint_name = re.sub(r'\W+', '',
-            '%s_%d' % (m.group('out'), os.getpid()))
-        break
-
-    if endpoint_name is None:
-      return
-
-    # Adds the appropriate environment variable. This will be read by link.exe
-    # to know which instance of mspdbsrv.exe it should connect to (if it's
-    # not set then the default endpoint is used).
-    env['_MSPDBSRV_ENDPOINT_'] = endpoint_name
-
-  def Dispatch(self, args):
-    """Dispatches a string command to a method."""
-    if len(args) < 1:
-      raise Exception("Not enough arguments")
-
-    method = "Exec%s" % self._CommandifyName(args[0])
-    return getattr(self, method)(*args[1:])
-
-  def _CommandifyName(self, name_string):
-    """Transforms a tool name like recursive-mirror to RecursiveMirror."""
-    return name_string.title().replace('-', '')
-
-  def _GetEnv(self, arch):
-    """Gets the saved environment from a file for a given architecture."""
-    # The environment is saved as an "environment block" (see CreateProcess
-    # and msvs_emulation for details). We convert to a dict here.
-    # Drop last 2 NULs, one for list terminator, one for trailing vs. separator.
-    pairs = open(arch).read()[:-2].split('\0')
-    kvs = [item.split('=', 1) for item in pairs]
-    return dict(kvs)
-
-  def ExecStamp(self, path):
-    """Simple stamp command."""
-    open(path, 'w').close()
-
-  def ExecRecursiveMirror(self, source, dest):
-    """Emulation of rm -rf out && cp -af in out."""
-    if os.path.exists(dest):
-      if os.path.isdir(dest):
-        def _on_error(fn, path, excinfo):
-          # The operation failed, possibly because the file is set to
-          # read-only. If that's why, make it writable and try the op again.
-          if not os.access(path, os.W_OK):
-            os.chmod(path, stat.S_IWRITE)
-          fn(path)
-        shutil.rmtree(dest, onerror=_on_error)
-      else:
-        if not os.access(dest, os.W_OK):
-          # Attempt to make the file writable before deleting it.
-          os.chmod(dest, stat.S_IWRITE)
-        os.unlink(dest)
-
-    if os.path.isdir(source):
-      shutil.copytree(source, dest)
-    else:
-      shutil.copy2(source, dest)
-
-  def ExecLinkWrapper(self, arch, use_separate_mspdbsrv, *args):
-    """Filter diagnostic output from link that looks like:
-    '   Creating library ui.dll.lib and object ui.dll.exp'
-    This happens when there are exports from the dll or exe.
-    """
-    env = self._GetEnv(arch)
-    if use_separate_mspdbsrv == 'True':
-      self._UseSeparateMspdbsrv(env, args)
-    link = subprocess.Popen(args,
-                            shell=True,
-                            env=env,
-                            stdout=subprocess.PIPE,
-                            stderr=subprocess.STDOUT)
-    out, _ = link.communicate()
-    for line in out.splitlines():
-      if not line.startswith('   Creating library '):
-        print line
-    return link.returncode
-
-  def ExecLinkWithManifests(self, arch, embed_manifest, out, ldcmd, resname,
-                            mt, rc, intermediate_manifest, *manifests):
-    """A wrapper for handling creating a manifest resource and then executing
-    a link command."""
-    # The 'normal' way to do manifests is to have link generate a manifest
-    # based on gathering dependencies from the object files, then merge that
-    # manifest with other manifests supplied as sources, convert the merged
-    # manifest to a resource, and then *relink*, including the compiled
-    # version of the manifest resource. This breaks incremental linking, and
-    # is generally overly complicated. Instead, we merge all the manifests
-    # provided (along with one that includes what would normally be in the
-    # linker-generated one, see msvs_emulation.py), and include that into the
-    # first and only link. We still tell link to generate a manifest, but we
-    # only use that to assert that our simpler process did not miss anything.
-    variables = {
-      'python': sys.executable,
-      'arch': arch,
-      'out': out,
-      'ldcmd': ldcmd,
-      'resname': resname,
-      'mt': mt,
-      'rc': rc,
-      'intermediate_manifest': intermediate_manifest,
-      'manifests': ' '.join(manifests),
-    }
-    add_to_ld = ''
-    if manifests:
-      subprocess.check_call(
-          '%(python)s gyp-win-tool manifest-wrapper %(arch)s %(mt)s -nologo '
-          '-manifest %(manifests)s -out:%(out)s.manifest' % variables)
-      if embed_manifest == 'True':
-        subprocess.check_call(
-            '%(python)s gyp-win-tool manifest-to-rc %(arch)s %(out)s.manifest'
-          ' %(out)s.manifest.rc %(resname)s' % variables)
-        subprocess.check_call(
-            '%(python)s gyp-win-tool rc-wrapper %(arch)s %(rc)s '
-            '%(out)s.manifest.rc' % variables)
-        add_to_ld = ' %(out)s.manifest.res' % variables
-    subprocess.check_call(ldcmd + add_to_ld)
-
-    # Run mt.exe on the theoretically complete manifest we generated, merging
-    # it with the one the linker generated to confirm that the linker
-    # generated one does not add anything. This is strictly unnecessary for
-    # correctness, it's only to verify that e.g. /MANIFESTDEPENDENCY was not
-    # used in a #pragma comment.
-    if manifests:
-      # Merge the intermediate one with ours to .assert.manifest, then check
-      # that .assert.manifest is identical to ours.
-      subprocess.check_call(
-          '%(python)s gyp-win-tool manifest-wrapper %(arch)s %(mt)s -nologo '
-          '-manifest %(out)s.manifest %(intermediate_manifest)s '
-          '-out:%(out)s.assert.manifest' % variables)
-      assert_manifest = '%(out)s.assert.manifest' % variables
-      our_manifest = '%(out)s.manifest' % variables
-      # Load and normalize the manifests. mt.exe sometimes removes whitespace,
-      # and sometimes doesn't unfortunately.
-      with open(our_manifest, 'rb') as our_f:
-        with open(assert_manifest, 'rb') as assert_f:
-          our_data = our_f.read().translate(None, string.whitespace)
-          assert_data = assert_f.read().translate(None, string.whitespace)
-      if our_data != assert_data:
-        os.unlink(out)
-        def dump(filename):
-          sys.stderr.write('%s\n-----\n' % filename)
-          with open(filename, 'rb') as f:
-            sys.stderr.write(f.read() + '\n-----\n')
-        dump(intermediate_manifest)
-        dump(our_manifest)
-        dump(assert_manifest)
-        sys.stderr.write(
-            'Linker generated manifest "%s" added to final manifest "%s" '
-            '(result in "%s"). '
-            'Were /MANIFEST switches used in #pragma statements? ' % (
-              intermediate_manifest, our_manifest, assert_manifest))
-        return 1
-
-  def ExecManifestWrapper(self, arch, *args):
-    """Run manifest tool with environment set. Strip out undesirable warning
-    (some XML blocks are recognized by the OS loader, but not the manifest
-    tool)."""
-    env = self._GetEnv(arch)
-    popen = subprocess.Popen(args, shell=True, env=env,
-                             stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    out, _ = popen.communicate()
-    for line in out.splitlines():
-      if line and 'manifest authoring warning 81010002' not in line:
-        print line
-    return popen.returncode
-
-  def ExecManifestToRc(self, arch, *args):
-    """Creates a resource file pointing a SxS assembly manifest.
-    |args| is tuple containing path to resource file, path to manifest file
-    and resource name which can be "1" (for executables) or "2" (for DLLs)."""
-    manifest_path, resource_path, resource_name = args
-    with open(resource_path, 'wb') as output:
-      output.write('#include <windows.h>\n%s RT_MANIFEST "%s"' % (
-        resource_name,
-        os.path.abspath(manifest_path).replace('\\', '/')))
-
-  def ExecMidlWrapper(self, arch, outdir, tlb, h, dlldata, iid, proxy, idl,
-                      *flags):
-    """Filter noisy filenames output from MIDL compile step that isn't
-    quietable via command line flags.
-    """
-    args = ['midl', '/nologo'] + list(flags) + [
-        '/out', outdir,
-        '/tlb', tlb,
-        '/h', h,
-        '/dlldata', dlldata,
-        '/iid', iid,
-        '/proxy', proxy,
-        idl]
-    env = self._GetEnv(arch)
-    popen = subprocess.Popen(args, shell=True, env=env,
-                             stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    out, _ = popen.communicate()
-    # Filter junk out of stdout, and write filtered versions. Output we want
-    # to filter is pairs of lines that look like this:
-    # Processing C:\Program Files (x86)\Microsoft SDKs\...\include\objidl.idl
-    # objidl.idl
-    lines = out.splitlines()
-    prefixes = ('Processing ', '64 bit Processing ')
-    processing = set(os.path.basename(x)
-                     for x in lines if x.startswith(prefixes))
-    for line in lines:
-      if not line.startswith(prefixes) and line not in processing:
-        print line
-    return popen.returncode
-
-  def ExecAsmWrapper(self, arch, *args):
-    """Filter logo banner from invocations of asm.exe."""
-    env = self._GetEnv(arch)
-    # MSVS doesn't assemble x64 asm files.
-    if arch == 'environment.x64':
-      return 0
-    popen = subprocess.Popen(args, shell=True, env=env,
-                             stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    out, _ = popen.communicate()
-    for line in out.splitlines():
-      if (not line.startswith('Copyright (C) Microsoft Corporation') and
-          not line.startswith('Microsoft (R) Macro Assembler') and
-          not line.startswith(' Assembling: ') and
-          line):
-        print line
-    return popen.returncode
-
-  def ExecRcWrapper(self, arch, *args):
-    """Filter logo banner from invocations of rc.exe. Older versions of RC
-    don't support the /nologo flag."""
-    env = self._GetEnv(arch)
-    popen = subprocess.Popen(args, shell=True, env=env,
-                             stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-    out, _ = popen.communicate()
-    for line in out.splitlines():
-      if (not line.startswith('Microsoft (R) Windows (R) Resource Compiler') and
-          not line.startswith('Copyright (C) Microsoft Corporation') and
-          line):
-        print line
-    return popen.returncode
-
-  def ExecActionWrapper(self, arch, rspfile, *dir):
-    """Runs an action command line from a response file using the environment
-    for |arch|. If |dir| is supplied, use that as the working directory."""
-    env = self._GetEnv(arch)
-    # TODO(scottmg): This is a temporary hack to get some specific variables
-    # through to actions that are set after gyp-time. http://crbug.com/333738.
-    for k, v in os.environ.iteritems():
-      if k not in env:
-        env[k] = v
-    args = open(rspfile).read()
-    dir = dir[0] if dir else None
-    return subprocess.call(args, shell=True, env=env, cwd=dir)
-
-  def ExecClCompile(self, project_dir, selected_files):
-    """Executed by msvs-ninja projects when the 'ClCompile' target is used to
-    build selected C/C++ files."""
-    project_dir = os.path.relpath(project_dir, BASE_DIR)
-    selected_files = selected_files.split(';')
-    ninja_targets = [os.path.join(project_dir, filename) + '^^'
-        for filename in selected_files]
-    cmd = ['ninja.exe']
-    cmd.extend(ninja_targets)
-    return subprocess.call(cmd, shell=True, cwd=BASE_DIR)
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv[1:]))