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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2008 Johan Dahlin
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
"""AST nodes
This file descbribes abstract data type nodes independent on the
implementation language.
These can later on be extended (eg subclassed) with additional information
which is language/library/domain specific.
"""
##
## Types
##
# Basic types
TYPE_INT8 = 'int8'
TYPE_UINT8 = 'uint8'
TYPE_INT16 = 'int16'
TYPE_UINT16 = 'uint16'
TYPE_INT32 = 'int32'
TYPE_UINT32 = 'uint32'
TYPE_INT64 = 'int64'
TYPE_UINT64 = 'uint64'
TYPE_LONG = 'long'
TYPE_ULONG = 'ulong'
# Floating-point
TYPE_FLOAT = 'float'
TYPE_DOUBLE = 'double'
# Higher-level data types
TYPE_NONE = 'none'
TYPE_ANY = 'any' # CORBA Any/Variant/GValue, holds anything.
TYPE_BOOLEAN = 'boolean' # True/False
TYPE_STRING = 'string' # Sequence of characters
TYPE_SEQUENCE = 'sequence' # Sequence of something
TYPE_CHAR = 'char' # Character
TYPE_UCHAR = 'uchar' # Unsigned Character
TYPE_SIZE = 'size' # Size type (memory, buffer etc)
TYPE_SSIZE = 'ssize'
# Wide/Unicode
TYPE_UCHAR = 'uchar'
TYPE_USTRING = 'ustring'
# Domain specific, but practically useful
TYPE_FILENAME = 'filename'
##
## Parameters
##
PARAM_DIRECTION_IN = 'in'
PARAM_DIRECTION_OUT = 'out'
PARAM_DIRECTION_INOUT = 'inout'
class Node(object):
def __init__(self, name=None):
self.name = name
def __repr__(self):
return '%s(%r)' % (self.__class__.__name__, self.name)
class Namespace(Node):
def __init__(self, name):
Node.__init__(self, name)
self.nodes = []
def __repr__(self):
return '%s(%r, %r)' % (self.__class__.__name__, self.name,
self.nodes)
class Function(Node):
def __init__(self, name, retval, parameters, symbol):
Node.__init__(self, name)
self.retval = retval
self.parameters = parameters
self.symbol = symbol
def __repr__(self):
return '%s(%r, %r, %r)' % (self.__class__.__name__,
self.name, self.retval,
self.parameters)
class VFunction(Function):
pass
class Type(Node):
def __init__(self, name):
Node.__init__(self, name)
self.ctype = name
class Parameter(Node):
def __init__(self, name, typenode):
Node.__init__(self, name)
self.type = typenode
self.direction = PARAM_DIRECTION_IN
self.transfer = False
def __repr__(self):
return 'Parameter(%r, %r)' % (self.name, self.type)
class Enum(Node):
def __init__(self, name, symbol, members):
Node.__init__(self, name)
self.symbol = symbol
self.members = members
def __repr__(self):
return 'Enum(%r, %r)' % (self.name, self.members)
class Member(Node):
def __init__(self, name, value, symbol):
Node.__init__(self, name)
self.value = value
self.symbol = symbol
def __repr__(self):
return 'Member(%r, %r)' % (self.name, self.value)
class Struct(Node):
def __init__(self, name, symbol):
Node.__init__(self, name)
self.fields = []
self.symbol = symbol
class Return(Node):
def __init__(self, rtype):
Node.__init__(self)
self.type = rtype
self.transfer = False
def __repr__(self):
return 'Return(%r)' % (self.type,)
class Class(Node):
def __init__(self, name, parent):
Node.__init__(self, name)
self.ctype = name
self.parent = parent
self.methods = []
self.constructors = []
self.properties = []
self.fields = []
def __repr__(self):
return '%s(%r, %r, %r)' % (
self.__class__.__name__,
self.name, self.parent, self.methods)
class Interface(Node):
def __init__(self, name):
Node.__init__(self, name)
self.methods = []
self.properties = []
self.fields = []
def __repr__(self):
return '%s(%r, %r)' % (
self.__class__.__name__,
self.name, self.methods)
class Constant(Node):
def __init__(self, name, type_name, value):
Node.__init__(self, name)
self.type = Type(type_name)
self.value = value
def __repr__(self):
return 'Constant(%r, %r, %r)' % (
self.name, self.type, self.value)
class Property(Node):
def __init__(self, name, type_name):
Node.__init__(self, name)
self.type = Type(type_name)
def __repr__(self):
return '%s(%r, %r, %r)' % (
self.__class__.__name__,
self.name, self.type, self.value)
# FIXME: Inherit from Function
class Callback(Node):
def __init__(self, name, retval, parameters):
Node.__init__(self, name)
self.retval = retval
self.parameters = parameters
def __repr__(self):
return 'Callback(%r, %r, %r)' % (
self.name, self.retval, self.parameters)
class Sequence(Type):
# Subclass, because a Sequence is a kind of Type
def __init__(self, name, element_type):
Type.__init__(self, name)
self.element_type = element_type
self.transfer = False
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