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# -*- Mode: Python; py-indent-offset: 4 -*-
import os, sys
import scmexpr
from definitions import *
class IncludeParser(scmexpr.Parser):
"""A simple parser that follows include statements automatically"""
def include(self, filename):
if filename[0] != '/':
afile = os.path.join(os.path.dirname(self.filename),filename)
else:
afile = filename
if not os.path.exists(afile):
afile = filename
fp = open(afile)
self.startParsing(scmexpr.parse(fp))
class DefsParser(IncludeParser):
def __init__(self, arg):
IncludeParser.__init__(self, arg)
self.objects = []
self.interfaces = []
self.enums = [] # enums and flags
self.boxes = [] # boxed types
self.functions = [] # functions and methods
self.c_name = {} # hash of c names of functions
self.methods = {} # hash of methods of particular objects
def define_object(self, *args):
odef = apply(ObjectDef, args)
self.objects.append(odef)
self.c_name[odef.c_name] = odef
def define_interface(self, *args):
idef = apply(InterfaceDef, args)
self.interfaces.append(idef)
self.c_name[idef.c_name] = idef
def define_enum(self, *args):
edef = apply(EnumDef, args)
self.enums.append(edef)
self.c_name[edef.c_name] = edef
def define_flags(self, *args):
fdef = apply(FlagsDef, args)
self.enums.append(fdef)
self.c_name[fdef.c_name] = fdef
def define_boxed(self, *args):
bdef = apply(BoxedDef, args)
self.boxes.append(bdef)
self.c_name[bdef.c_name] = bdef
def define_function(self, *args):
fdef = apply(FunctionDef, args)
self.functions.append(fdef)
self.c_name[fdef.c_name] = fdef
def define_method(self, *args):
mdef = apply(MethodDef, args)
self.functions.append(mdef)
self.c_name[mdef.c_name] = mdef
def merge(self, old):
for obj in self.objects:
if old.c_name.has_key(obj.c_name):
obj.merge(old.c_name[obj.c_name])
for f in self.functions:
if old.c_name.has_key(f.c_name):
f.merge(old.c_name[f.c_name])
def write_defs(self, fp=sys.stdout):
for obj in self.objects:
obj.write_defs(fp)
for enum in self.enums:
enum.write_defs(fp)
for boxed in self.boxes:
boxed.write_defs(fp)
for func in self.functions:
func.write_defs(fp)
def find_object(self, c_name):
for obj in self.objects:
if obj.c_name == c_name:
return obj
else:
raise ValueError, 'object not found'
def find_constructor(self, obj, overrides):
for func in self.functions:
if isinstance(func, FunctionDef) and \
func.is_constructor_of == obj.c_name and \
not overrides.is_ignored(func.c_name):
return func
def find_methods(self, obj):
objname = obj.c_name
return filter(lambda func, on=objname: isinstance(func, MethodDef) and
func.of_object == on, self.functions)
def find_functions(self):
return filter(lambda func: isinstance(func, FunctionDef) and
not func.is_constructor_of, self.functions)
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