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https://github.com/mozilla/gecko-dev.git
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7c3737dc89
Even we don't have internal aliases right now (and that seems a bit silly) we do have pref-gated aliases. An alias ID passed to IsEnabled with the wrong EnabledState would misbehave, assert, and crash. Though we don't have such callers in the tree because InspectorUtils passes only arguments that make us not look at the flags, it seems more reliable this way. Differential Revision: https://phabricator.services.mozilla.com/D151594
139 lines
4.1 KiB
Python
139 lines
4.1 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import buildconfig
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import mozpack.path as mozpath
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import os
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import runpy
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import subprocess
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import string
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import sys
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SERVO_BASE = mozpath.join(buildconfig.topsrcdir, "servo")
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SERVO_PROP_BASE = mozpath.join(SERVO_BASE, "components", "style", "properties")
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def generate_data(output, template):
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output.write("# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT\n\n")
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output.write(
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subprocess.check_output(
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[
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sys.executable,
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mozpath.join(SERVO_PROP_BASE, "build.py"),
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"gecko",
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"geckolib",
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template,
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],
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universal_newlines=True,
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)
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)
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# Add all relevant files into the dependencies of the generated file.
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DEP_EXTS = [".py", ".rs", ".zip"]
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deps = set()
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for path, dirs, files in os.walk(SERVO_PROP_BASE):
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for file in files:
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if os.path.splitext(file)[1] in DEP_EXTS:
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deps.add(mozpath.join(path, file))
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return deps
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def generate_header(output, data):
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data = runpy.run_path(data)["data"]
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output.write(
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"""/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#define CSS_PROP_DOMPROP_PREFIXED(name_) \\
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CSS_PROP_PUBLIC_OR_PRIVATE(Moz ## name_, name_)
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#ifndef CSS_PROP_LONGHAND
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#define CSS_PROP_LONGHAND(name_, id_, method_, flags_, pref_) /* nothing */
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#define DEFINED_CSS_PROP_LONGHAND
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#endif
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#ifndef CSS_PROP_SHORTHAND
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#define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) /* nothing */
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#define DEFINED_CSS_PROP_SHORTHAND
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#endif
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#ifndef CSS_PROP_ALIAS
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#define CSS_PROP_ALIAS(name_, aliasid_, id_, method_, flags_, pref_) /* nothing */
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#define DEFINED_CSS_PROP_ALIAS
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#endif
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"""
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)
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# Some flags are only used for code generation, so we don't need to
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# expose them to runtime.
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COMPILE_TIME_FLAGS = {"ExposedOnGetCS"}
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MACRO_NAMES = {
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"longhand": "CSS_PROP_LONGHAND",
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"shorthand": "CSS_PROP_SHORTHAND",
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"alias": "CSS_PROP_ALIAS",
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}
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for prop in data:
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is_internal = "Internal" in prop.flags
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flags = " | ".join(
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"CSSPropFlags::{}".format(flag)
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for flag in prop.flags
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if flag not in COMPILE_TIME_FLAGS
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)
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if not flags:
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flags = "CSSPropFlags(0)"
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pref = '"' + prop.pref + '"'
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method = prop.method
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if prop.type() == "alias":
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params = [prop.name, prop.alias_id, prop.prop_id, method, flags, pref]
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else:
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if method == "CssFloat":
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method = "CSS_PROP_PUBLIC_OR_PRIVATE(CssFloat, Float)"
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elif method.startswith("Moz"):
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method = "CSS_PROP_DOMPROP_PREFIXED({})".format(method[3:])
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params = [prop.name, prop.id, method, flags, pref]
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excludes = []
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if is_internal:
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excludes.append("CSS_PROP_LIST_EXCLUDE_INTERNAL")
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if "Style" not in prop.rules:
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excludes.append("CSS_PROP_LIST_EXCLUDE_NOT_IN_STYLE")
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if excludes:
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output.write(
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"#if {}\n".format(
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" || ".join("!defined " + exclude for exclude in excludes)
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)
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)
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output.write("{}({})\n".format(MACRO_NAMES[prop.type()], ", ".join(params)))
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if excludes:
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output.write("#endif\n")
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output.write(
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"""
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#ifdef DEFINED_CSS_PROP_ALIAS
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#undef CSS_PROP_ALIAS
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#undef DEFINED_CSS_PROP_ALIAS
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#endif
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#ifdef DEFINED_CSS_PROP_SHORTHAND
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#undef CSS_PROP_SHORTHAND
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#undef DEFINED_CSS_PROP_SHORTHAND
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#endif
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#ifdef DEFINED_CSS_PROP_LONGHAND
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#undef CSS_PROP_LONGHAND
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#undef DEFINED_CSS_PROP_LONGHAND
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#endif
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#undef CSS_PROP_DOMPROP_PREFIXED
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"""
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)
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