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#!/usr/bin/env python
##########################################################################
#
# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sub license, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice (including the
# next paragraph) shall be included in all copies or substantial portions
# of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
##########################################################################
'''Trace data model.'''
class Node:
def visit(self, visitor):
raise NotImplementedError
class Literal(Node):
def __init__(self, value):
self.value = value
def visit(self, visitor):
visitor.visit_literal(self)
def __str__(self):
if isinstance(self.value, str) and len(self.value) > 32:
return '...'
else:
return repr(self.value)
class NamedConstant(Node):
def __init__(self, name):
self.name = name
def visit(self, visitor):
visitor.visit_named_constant(self)
def __str__(self):
return self.name
class Array(Node):
def __init__(self, elements):
self.elements = elements
def visit(self, visitor):
visitor.visit_array(self)
def __str__(self):
return '{' + ', '.join([str(value) for value in self.elements]) + '}'
class Struct(Node):
def __init__(self, name, members):
self.name = name
self.members = members
def visit(self, visitor):
visitor.visit_struct(self)
def __str__(self):
return '{' + ', '.join([name + ' = ' + str(value) for name, value in self.members]) + '}'
class Pointer(Node):
def __init__(self, address):
self.address = address
def visit(self, visitor):
visitor.visit_pointer(self)
def __str__(self):
return self.address
class Call:
def __init__(self, klass, method, args, ret):
self.klass = klass
self.method = method
self.args = args
self.ret = ret
def visit(self, visitor):
visitor.visit_call(self)
def __str__(self):
s = self.method
if self.klass:
s = self.klass + '::' + s
s += '(' + ', '.join([name + ' = ' + str(value) for name, value in self.args]) + ')'
if self.ret is not None:
s += ' = ' + str(self.ret)
return s
class Trace:
def __init__(self, calls):
self.calls = calls
def visit(self, visitor):
visitor.visit_trace(self)
def __str__(self):
return '\n'.join([str(call) for call in self.calls])
class Visitor:
def visit_literal(self, node):
raise NotImplementedError
def visit_named_constant(self, node):
raise NotImplementedError
def visit_array(self, node):
raise NotImplementedError
def visit_struct(self, node):
raise NotImplementedError
def visit_pointer(self, node):
raise NotImplementedError
def visit_call(self, node):
raise NotImplementedError
def visit_trace(self, node):
raise NotImplementedError
|
