1 files changed, 211 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/retrace/model.py b/src/gallium/state_trackers/python/retrace/model.py
new file mode 100755
index 0000000000..ae0f4327d7
--- /dev/null
+++ b/src/gallium/state_trackers/python/retrace/model.py
@@ -0,0 +1,211 @@
+#!/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.'''
+
+
+import sys
+import string
+import format
+
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
+
+
+class Node:
+    
+    def visit(self, visitor):
+        raise NotImplementedError
+
+    def __str__(self):
+        stream = StringIO()
+        formatter = format.DefaultFormatter(stream)
+        pretty_printer = PrettyPrinter(formatter)
+        self.visit(pretty_printer)
+        return stream.getvalue()
+
+
+class Literal(Node):
+    
+    def __init__(self, value):
+        self.value = value
+
+    def visit(self, visitor):
+        visitor.visit_literal(self)
+
+
+class NamedConstant(Node):
+    
+    def __init__(self, name):
+        self.name = name
+
+    def visit(self, visitor):
+        visitor.visit_named_constant(self)
+    
+
+class Array(Node):
+    
+    def __init__(self, elements):
+        self.elements = elements
+
+    def visit(self, visitor):
+        visitor.visit_array(self)
+
+
+class Struct(Node):
+    
+    def __init__(self, name, members):
+        self.name = name
+        self.members = members        
+
+    def visit(self, visitor):
+        visitor.visit_struct(self)
+
+        
+class Pointer(Node):
+    
+    def __init__(self, address):
+        self.address = address
+
+    def visit(self, visitor):
+        visitor.visit_pointer(self)
+
+
+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)
+
+
+class Trace:
+    
+    def __init__(self, calls):
+        self.calls = calls
+        
+    def visit(self, visitor):
+        visitor.visit_trace(self)
+    
+    
+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
+
+
+class PrettyPrinter:
+
+    def __init__(self, formatter):
+        self.formatter = formatter
+    
+    def visit_literal(self, node):
+        if isinstance(node.value, basestring):
+            if len(node.value) >= 4096 or node.value.strip(string.printable):
+                self.formatter.text('...')
+                return
+
+            self.formatter.literal('"' + node.value + '"')
+            return
+
+        self.formatter.literal(repr(node.value))
+    
+    def visit_named_constant(self, node):
+        self.formatter.literal(node.name)
+    
+    def visit_array(self, node):
+        self.formatter.text('{')
+        sep = ''
+        for value in node.elements:
+            self.formatter.text(sep)
+            value.visit(self) 
+            sep = ', '
+        self.formatter.text('}')
+    
+    def visit_struct(self, node):
+        self.formatter.text('{')
+        sep = ''
+        for name, value in node.members:
+            self.formatter.text(sep)
+            self.formatter.variable(name)
+            self.formatter.text(' = ')
+            value.visit(self) 
+            sep = ', '
+        self.formatter.text('}')
+    
+    def visit_pointer(self, node):
+        self.formatter.address(node.address)
+    
+    def visit_call(self, node):
+        if node.klass is not None:
+            self.formatter.function(node.klass + '::' + node.method)
+        else:
+            self.formatter.function(node.method)
+        self.formatter.text('(')
+        sep = ''
+        for name, value in node.args:
+            self.formatter.text(sep)
+            self.formatter.variable(name)
+            self.formatter.text(' = ')
+            value.visit(self) 
+            sep = ', '
+        self.formatter.text(')')
+        if node.ret is not None:
+            self.formatter.text(' = ')
+            node.ret.visit(self)
+    
+    def visit_trace(self, node):
+        for call in node.calls:
+            call.visit(self)
+            self.formatter.newline()
+