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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
import buildconfig
import mozpack.path as mozpath
import os
import runpy
import subprocess
import string
import sys
SERVO_BASE = mozpath.join(buildconfig.topsrcdir, "servo")
SERVO_PROP_BASE = mozpath.join(SERVO_BASE, "components", "style", "properties")
def generate_data(output, template):
output.write("# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT\n\n")
output.write(
subprocess.check_output(
[
sys.executable,
mozpath.join(SERVO_PROP_BASE, "build.py"),
"gecko",
"geckolib",
template,
],
universal_newlines=True,
)
)
# Add all relevant files into the dependencies of the generated file.
DEP_EXTS = [".py", ".rs"]
deps = set()
for path, dirs, files in os.walk(SERVO_PROP_BASE):
for file in files:
if os.path.splitext(file)[1] in DEP_EXTS:
deps.add(mozpath.join(path, file))
return deps
def generate_header(output, data):
data = runpy.run_path(data)["data"]
output.write(
"""/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#define CSS_PROP_DOMPROP_PREFIXED(name_) \\
CSS_PROP_PUBLIC_OR_PRIVATE(Moz ## name_, name_)
#ifndef CSS_PROP_LONGHAND
#define CSS_PROP_LONGHAND(name_, id_, method_, flags_, pref_) /* nothing */
#define DEFINED_CSS_PROP_LONGHAND
#endif
#ifndef CSS_PROP_SHORTHAND
#define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) /* nothing */
#define DEFINED_CSS_PROP_SHORTHAND
#endif
#ifndef CSS_PROP_ALIAS
#define CSS_PROP_ALIAS(name_, aliasid_, id_, method_, flags_, pref_) /* nothing */
#define DEFINED_CSS_PROP_ALIAS
#endif
"""
)
# Some flags are only used for code generation, so we don't need to
# expose them to runtime.
COMPILE_TIME_FLAGS = {"ExposedOnGetCS"}
MACRO_NAMES = {
"longhand": "CSS_PROP_LONGHAND",
"shorthand": "CSS_PROP_SHORTHAND",
"alias": "CSS_PROP_ALIAS",
}
for prop in data.values():
is_internal = "Internal" in prop.flags
flags = " | ".join(
"CSSPropFlags::{}".format(flag)
for flag in prop.flags
if flag not in COMPILE_TIME_FLAGS
)
if not flags:
flags = "CSSPropFlags(0)"
pref = '"' + prop.pref + '"'
method = prop.method
if prop.type() == "alias":
params = [prop.name, prop.alias_id, prop.prop_id, method, flags, pref]
else:
if method == "CssFloat":
method = "CSS_PROP_PUBLIC_OR_PRIVATE(CssFloat, Float)"
elif method.startswith("Moz"):
method = "CSS_PROP_DOMPROP_PREFIXED({})".format(method[3:])
params = [prop.name, prop.id, method, flags, pref]
excludes = []
if is_internal:
excludes.append("CSS_PROP_LIST_EXCLUDE_INTERNAL")
if "Style" not in prop.rules:
excludes.append("CSS_PROP_LIST_EXCLUDE_NOT_IN_STYLE")
if excludes:
output.write(
"#if {}\n".format(
" || ".join("!defined " + exclude for exclude in excludes)
)
)
output.write("{}({})\n".format(MACRO_NAMES[prop.type()], ", ".join(params)))
if excludes:
output.write("#endif\n")
output.write(
"""
#ifdef DEFINED_CSS_PROP_ALIAS
#undef CSS_PROP_ALIAS
#undef DEFINED_CSS_PROP_ALIAS
#endif
#ifdef DEFINED_CSS_PROP_SHORTHAND
#undef CSS_PROP_SHORTHAND
#undef DEFINED_CSS_PROP_SHORTHAND
#endif
#ifdef DEFINED_CSS_PROP_LONGHAND
#undef CSS_PROP_LONGHAND
#undef DEFINED_CSS_PROP_LONGHAND
#endif
#undef CSS_PROP_DOMPROP_PREFIXED
"""
)