1 files changed, 53 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/TypeAST.py b/src/mem/slicc/ast/TypeAST.py
new file mode 100644
index 000000000..209859b8d
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+++ b/src/mem/slicc/ast/TypeAST.py
@@ -0,0 +1,53 @@
+# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+# Copyright (c) 2009 The Hewlett-Packard Development Company
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from slicc.ast.AST import AST
+
+from slicc.symbols import Type
+
+class TypeAST(AST):
+    def __init__(self, slicc, ident):
+        super(TypeAST, self).__init__(slicc)
+
+        self.ident = ident
+
+    def __repr__(self):
+        return self.ident
+
+    def __str__(self):
+        return self.ident
+
+    @property
+    def type(self, assert_type=None):
+        type = self.symtab.find(self.ident, Type)
+        if not type:
+            self.error("Type '%s' not declared.", self)
+
+        if assert_type is not None and type != assert_type:
+            self.error("Type '%s' is should be type '%s'", self, assert_type)
+
+        return type