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#!/usr/bin/env python3
#
# Copyright (c) 2014-2016 Apple Inc. All rights reserved.
# Copyright (c) 2014 University of Washington. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.
import logging
import re
import string
from string import Template
from builtins_generator import BuiltinsGenerator
from builtins_templates import BuiltinsGeneratorTemplates as Templates
def get_var_name(function):
var_name = function.function_name
if function.is_constructor:
return var_name[:1].lower() + var_name[1:] + 'Constructor'
return var_name
log = logging.getLogger('global')
class BuiltinsCombinedHeaderGenerator(BuiltinsGenerator):
def __init__(self, model):
BuiltinsGenerator.__init__(self, model)
def output_filename(self):
return "%sBuiltins.h" % self.model().framework.setting('namespace')
def generate_output(self):
args = {
'namespace': self.model().framework.setting('namespace'),
'macroPrefix': self.model().framework.setting('macro_prefix'),
}
sections = []
sections.append(self.generate_license())
sections.append(Template(Templates.DoNotEditWarning).substitute(args))
sections.append(Template(Templates.HeaderIncludeGuard).substitute(args))
sections.append(self.generate_forward_declarations())
sections.append(Template(Templates.NamespaceTop).substitute(args))
sections.append("extern const char s_%(namespace)sCombinedCode[];" % args);
sections.append("extern const unsigned s_%(namespace)sCombinedCodeLength;" % args);
for object in self.model().objects:
sections.append(self.generate_section_for_object(object))
sections.append(self.generate_section_for_code_table_macro())
sections.append(self.generate_section_for_code_name_macro())
sections.append(self.generate_section_for_global_private_code_name_macro())
sections.append(Template(Templates.CombinedHeaderStaticMacros).substitute(args))
sections.append(Template(Templates.NamespaceBottom).substitute(args))
return "\n\n".join(sections)
def generate_forward_declarations(self):
return """namespace JSC {
class FunctionExecutable;
class VM;
enum class ConstructAbility : uint8_t;
enum class ConstructorKind : uint8_t;
enum class ImplementationVisibility : uint8_t;
enum class InlineAttribute : uint8_t;
}"""
def generate_section_for_object(self, object):
lines = []
lines.append('/* %s */' % object.object_name)
lines.extend(self.generate_externs_for_object(object))
lines.append("")
lines.extend(self.generate_macros_for_object(object))
return '\n'.join(lines)
def generate_externs_for_object(self, object):
lines = []
for function in object.functions:
function_args = {
'codeName': BuiltinsGenerator.mangledNameForFunction(function) + 'Code',
}
lines.append("""extern constinit const char* const s_%(codeName)s;
extern constinit const int s_%(codeName)sLength;
extern constinit const JSC::ConstructAbility s_%(codeName)sConstructAbility;
extern constinit const JSC::ConstructorKind s_%(codeName)sConstructorKind;
extern constinit const JSC::ImplementationVisibility s_%(codeName)sImplementationVisibility;
extern constinit const JSC::InlineAttribute s_%(codeName)sInlineAttribute;""" % function_args)
return lines
def generate_macros_for_object(self, object):
args = {
'macroPrefix': self.model().framework.setting('macro_prefix'),
'objectMacro': object.object_name.replace('.', '').upper(),
}
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_%(objectMacro)s_BUILTIN_DATA(macro) \\" % args)
for function in object.functions:
function_args = {
'funcName': function.function_name,
'mangledName': BuiltinsGenerator.mangledNameForFunction(function),
'paramCount': len(function.parameters),
}
lines.append(" macro(%(funcName)s, %(mangledName)s, %(paramCount)d) \\" % function_args)
return lines
def generate_section_for_code_table_macro(self):
args = {
'macroPrefix': self.model().framework.setting('macro_prefix'),
}
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_BUILTIN_CODE(macro) \\" % args)
for function in self.model().all_functions():
function_args = {
'funcName': function.function_name,
'overriddenName': function.overridden_name,
'codeName': BuiltinsGenerator.mangledNameForFunction(function) + 'Code',
}
lines.append(" macro(%(codeName)s, %(funcName)s, %(overriddenName)s, s_%(codeName)sLength) \\" % function_args)
return '\n'.join(lines)
def generate_section_for_code_name_macro(self):
args = {
'macroPrefix': self.model().framework.setting('macro_prefix'),
}
internal_function_names = [function.function_name for function in self.model().all_internal_functions()]
if len(internal_function_names) != len(set(internal_function_names)):
log.error("There are several internal functions with the same name. Private identifiers may clash.")
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_BUILTIN_FUNCTION_NAME(macro) \\" % args)
unique_names = list(set([function.function_name for function in self.model().all_functions()]))
unique_names.sort()
for function_name in unique_names:
function_args = {
'funcName': function_name,
}
lines.append(" macro(%(funcName)s) \\" % function_args)
return '\n'.join(lines)
def generate_section_for_global_private_code_name_macro(self):
args = {
'macroPrefix': self.model().framework.setting('macro_prefix'),
}
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_BUILTIN_LINK_TIME_CONSTANT(macro) \\" % args)
functions = [function for function in self.model().all_functions() if function.is_link_time_constant]
functions.sort(key=lambda x: x.function_name)
for function in functions:
function_args = {
'funcName': function.function_name,
'codeName': BuiltinsGenerator.mangledNameForFunction(function),
}
lines.append(" macro(%(funcName)s, %(codeName)s) \\" % function_args)
return '\n'.join(lines)
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