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#!/usr/bin/env python
#
# Copyright (c) 2014, 2015 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_model import Frameworks
from builtins_templates import BuiltinsGeneratorTemplates as Templates
log = logging.getLogger('global')
class BuiltinsSeparateHeaderGenerator(BuiltinsGenerator):
def __init__(self, model, object):
BuiltinsGenerator.__init__(self, model)
self.object = object
def output_filename(self):
return "%sBuiltins.h" % BuiltinsGenerator.mangledNameForObject(self.object)
def macro_prefix(self):
return self.model().framework.setting('macro_prefix')
def generate_output(self):
args = {
'namespace': self.model().framework.setting('namespace'),
'headerGuard': self.output_filename().replace('.', '_'),
'macroPrefix': self.macro_prefix(),
'objectName': self.object.object_name,
'objectMacro': self.object.object_name.upper(),
}
conditional_guard = self.object.annotations.get('conditional')
sections = []
sections.append(self.generate_license())
sections.append(Template(Templates.DoNotEditWarning).substitute(args))
sections.append(Template(Templates.HeaderIncludeGuardTop).substitute(args))
if conditional_guard is not None:
sections.append("#if %s" % conditional_guard)
sections.append(self.generate_secondary_header_includes())
sections.append(self.generate_forward_declarations())
sections.append(Template(Templates.NamespaceTop).substitute(args))
sections.append(self.generate_section_for_object(self.object))
sections.append(self.generate_section_for_code_table_macro())
sections.append(self.generate_section_for_code_name_macro())
sections.append(Template(Templates.SeparateHeaderStaticMacros).substitute(args))
if self.model().framework is Frameworks.WebCore:
sections.append(Template(Templates.SeparateHeaderWrapperBoilerplate).substitute(args))
if self.object.annotations.get('internal'):
sections.append(Template(Templates.SeparateHeaderInternalFunctionsBoilerplate).substitute(args))
sections.append(Template(Templates.NamespaceBottom).substitute(args))
if conditional_guard is not None:
sections.append("#endif // %s" % conditional_guard)
sections.append(Template(Templates.HeaderIncludeGuardBottom).substitute(args))
return "\n\n".join(sections)
def generate_forward_declarations(self):
return """namespace JSC {
class FunctionExecutable;
}"""
def generate_secondary_header_includes(self):
header_includes = [
(["WebCore"],
("JavaScriptCore", "bytecode/UnlinkedFunctionExecutable.h"),
),
(["WebCore"],
("JavaScriptCore", "builtins/BuiltinUtils.h"),
),
(["WebCore"],
("JavaScriptCore", "runtime/Identifier.h"),
),
(["WebCore"],
("JavaScriptCore", "runtime/JSFunction.h"),
),
]
return '\n'.join(self.generate_includes_from_entries(header_includes))
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))
lines.append("")
lines.extend(self.generate_defines_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 const char* s_%(codeName)s;
extern const int s_%(codeName)sLength;
extern const JSC::ConstructAbility s_%(codeName)sConstructAbility;""" % function_args)
return lines
def generate_macros_for_object(self, object):
args = {
'macroPrefix': self.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_defines_for_object(self, object):
lines = []
for function in object.functions:
args = {
'macroPrefix': self.macro_prefix(),
'objectMacro': object.object_name.replace('.', '_').upper(),
'functionMacro': function.function_name.upper(),
}
lines.append("#define %(macroPrefix)s_BUILTIN_%(objectMacro)s_%(functionMacro)s 1" % args)
return lines
def generate_section_for_code_table_macro(self):
args = {
'macroPrefix': self.model().framework.setting('macro_prefix'),
'objectMacro': self.object.object_name.upper(),
}
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_%(objectMacro)s_BUILTIN_CODE(macro) \\" % args)
for function in self.object.functions:
function_args = {
'funcName': function.function_name,
'codeName': BuiltinsGenerator.mangledNameForFunction(function) + 'Code',
}
lines.append(" macro(%(codeName)s, %(funcName)s, s_%(codeName)sLength) \\" % function_args)
return '\n'.join(lines)
def generate_section_for_code_name_macro(self):
args = {
'macroPrefix': self.macro_prefix(),
'objectMacro': self.object.object_name.upper(),
}
lines = []
lines.append("#define %(macroPrefix)s_FOREACH_%(objectMacro)s_BUILTIN_FUNCTION_NAME(macro) \\" % args)
unique_names = list(set([function.function_name for function in self.object.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)
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