builtins_generate_internals_wrapper_header.py [plain text]
import logging
from string import Template
from builtins_generator import BuiltinsGenerator, WK_lcfirst, WK_ucfirst
from builtins_templates import BuiltinsGeneratorTemplates as Templates
log = logging.getLogger('global')
class BuiltinsInternalsWrapperHeaderGenerator(BuiltinsGenerator):
def __init__(self, model):
BuiltinsGenerator.__init__(self, model)
self.internals = filter(lambda object: 'internal' in object.annotations, model.objects)
def output_filename(self):
return "%sJSBuiltinInternals.h" % self.model().framework.setting('namespace')
def generate_output(self):
args = {
'namespace': self.model().framework.setting('namespace'),
}
sections = []
sections.append(self.generate_license())
sections.append(Template(Templates.DoNotEditWarning).substitute(args))
sections.append(Template(Templates.HeaderIncludeGuard).substitute(args))
sections.append(self.generate_secondary_header_includes())
sections.append(Template(Templates.NamespaceTop).substitute(args))
sections.append(self.generate_section_for_object())
sections.append(Template(Templates.NamespaceBottom).substitute(args))
return "\n\n".join(sections)
def generate_secondary_header_includes(self):
header_includes = [
(["WebCore"], ("JavaScriptCore", "heap/WeakInlines.h")),
(["WebCore"], ("JavaScriptCore", "runtime/VM.h"))
]
for object in self.internals:
header_includes.append((["WebCore"], ("WebCore", object.object_name + "Builtins.h")))
return '\n'.join(self.generate_includes_from_entries(header_includes))
def generate_section_for_object(self):
lines = ["class JSDOMGlobalObject;",
"",
"class JSBuiltinInternalFunctions {",
"public:"]
lines.append(" explicit JSBuiltinInternalFunctions(JSC::VM&);")
lines.append(self.generate_methods())
lines.append(self.generate_accessors())
lines.append("private:")
lines.append(self.generate_members())
lines.append("};")
return '\n'.join(lines)
def accessor_name(self, object):
return WK_lcfirst(object.object_name)
def member_name(self, object):
return "m_" + self.accessor_name(object)
def member_type(self, object):
return WK_ucfirst(object.object_name) + "BuiltinFunctions"
def generate_methods(self):
return """
void visit(JSC::SlotVisitor&);
void initialize(JSDOMGlobalObject&);
"""
def generate_accessors(self):
lines = []
for object in self.internals:
accessor = " %s& %s() { return %s; }" % (self.member_type(object), self.accessor_name(object), self.member_name(object))
lines.append(BuiltinsGenerator.wrap_with_guard(object.annotations.get('conditional'), accessor))
lines.append("")
return '\n'.join(lines)
def generate_members(self):
lines = [" JSC::VM& m_vm;"]
for object in self.internals:
member = " %s %s;" % (self.member_type(object), self.member_name(object))
lines.append(BuiltinsGenerator.wrap_with_guard(object.annotations.get('conditional'), member))
return '\n'.join(lines)