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#! /usr/bin/env python
import os
import re
class Binding:
def __init__(self):
self.constants = []
self.structs = []
self.struct_dict = {}
self.functions = []
def display_structs(self):
for struct in self.structs:
struct.display()
def display_funcs(self):
for func in self.functions:
print func.return_type, func.name
for a in func.args:
print ' ', a
def order_class_hierarchy(self):
new_order = []
while self.structs:
for c in self.structs:
if c.parent == 'GObject' or c.parent in [x.name for x in new_order]:
self.structs.remove(c)
new_order.append(c)
break
self.structs = new_order
def create_struct_dict(self):
for c in self.structs:
self.struct_dict[c.name] = c
def attach_methods(self):
self.create_struct_dict()
for f in self.functions[:]:
if len(f.args) == 0:
continue
if f.name.endswith('_new'):
# constructor for another class
continue
arg_type = f.args[0][0]
if arg_type[-1] == '*':
arg_type = arg_type[:-1]
c = self.struct_dict.get(arg_type)
if not c:
continue
c.methods.append(f)
self.functions.remove(f)
class Struct:
def __init__(self, name):
self.name = name[1:] # skip leading _
self.parent = None
self.members = []
self.methods = []
def __repr__(self):
return '<Struct name:%s, childof:%s>' % (self.name, self.parent)
def display(self):
print self.__repr__()
for m in self.members:
print ' ', m
for m in self.methods:
print ' ', m
class Function:
return_type = None
name = None
args = None
def __repr__(self):
return '%s %s %r' % (self.return_type, self.name, self.args)
def normalise_var(type, name):
if name[0] == '*':
type += '*'
name = name[1:]
return type, name
def parse_header(header_file):
global binding
struct_names = {}
in_comment = False
in_enum = False
in_struct = None
in_struct_private = False
lines = file(header_file).readlines()
i = 0
while i < len(lines):
line = lines[i]
while line.endswith('\\\n'):
i += 1
line = line[:-2] + ' ' + lines[i].lstrip()
if in_comment:
if '*/' in line:
in_comment = False
elif '/*' in line and not '*/' in line:
in_comment = True
elif in_enum:
if line.startswith('}'):
in_enum = False
else:
m = re.match('\s*([a-zA-Z0-9_]+)', line)
if m:
binding.constants.append(m.group(1))
elif line.startswith('#define'):
m = re.match(r'#define\s+([a-zA-Z0-9_]+)\s+[-\w"]', line)
if m:
constant = m.group(1)
if constant[0] != '_':
# ignore private constants
binding.constants.append(constant)
elif line.startswith('typedef enum {'):
in_enum = True
elif line.startswith('typedef struct'):
m = re.match('typedef struct ([a-zA-Z0-9_]+)', line)
if m:
struct_name = m.group(1)
if not (struct_name.endswith('Class') or struct_name.endswith('Private')):
struct_names[struct_name] = True
elif line.startswith('struct _'):
m = re.match('struct ([a-zA-Z0-9_]+)', line)
struct_name = m.group(1)
if struct_name in struct_names:
in_struct = Struct(struct_name)
in_struct_private = False
elif in_struct:
if line.startswith('}'):
binding.structs.append(in_struct)
in_struct = None
elif '/*< public >*/' in line:
in_struct_private = False
elif '/*< private >*/' in line:
in_struct_private = True
elif in_struct_private:
pass
else:
member_match = re.match('\s+(\w+)\s+(\*?\w+)', line)
if member_match:
member_type = member_match.group(1)
member_name = member_match.group(2)
if member_name == 'parent':
in_struct.parent = member_type
else:
in_struct.members.append(normalise_var(member_type, member_name))
elif line.startswith('LASSO_EXPORT '):
while not line.strip().endswith(';'):
i += 1
line = line[:-1] + lines[i].lstrip()
m = re.match(r'LASSO_EXPORT\s+([\w]+\*?)\s+(\*?\w+)\s*\((.*?)\)', line)
if m:
f = Function()
binding.functions.append(f)
return_type, function_name, args = m.groups()
f.return_type = return_type
f.name = function_name
f.args = []
for arg in [x.strip() for x in args.split(',')]:
if arg == 'void' or arg == '':
continue
m = re.match(r'((const\s+)?\w+\*?)\s+(\*?\w+)', arg)
if m:
f.args.append(normalise_var(m.group(1), m.group(3)))
else:
print 'failed to process:', arg, 'in line:', line
i += 1
def parse_headers():
for base, dirnames, filenames in os.walk('../lasso/'):
if base.endswith('/.svn'):
# ignore svn directories
continue
if not 'Makefile.am' in filenames:
# not a source dir
continue
makefile_am = open(os.path.join(base, 'Makefile.am')).read()
filenames = [x for x in filenames if x.endswith('.h') if x in makefile_am]
for filename in filenames:
if filename == 'lasso_config.h' or 'private' in filename:
continue
parse_header(os.path.join(base, filename))
binding = Binding()
parse_headers()
binding.order_class_hierarchy()
binding.attach_methods()
import pprint
binding.display_structs()
binding.display_funcs()
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