1 files changed, 61 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/TypeFieldStateAST.py b/src/mem/slicc/ast/TypeFieldStateAST.py
new file mode 100644
index 000000000..aafa241dd
--- /dev/null
+++ b/src/mem/slicc/ast/TypeFieldStateAST.py
@@ -0,0 +1,61 @@
+# Copyright (c) 2011 Advanced Micro Devices, Inc.
+# 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.TypeFieldAST import TypeFieldAST
+from slicc.symbols import Event, State
+
+class TypeFieldStateAST(TypeFieldAST):
+    def __init__(self, slicc, field_id, perm_ast, pairs_ast):
+        super(TypeFieldStateAST, self).__init__(slicc, pairs_ast)
+
+        self.field_id = field_id
+        self.perm_ast = perm_ast
+        if not (perm_ast.type_ast.ident == "AccessPermission"):
+            self.error("AccessPermission enum value must be specified")
+        self.pairs_ast = pairs_ast
+
+    def __repr__(self):
+        return "[TypeFieldState: %r]" % self.field_id
+
+    def generate(self, type):
+        if not str(type) == "State":
+            self.error("State Declaration must be of type State.")
+        
+        # Add enumeration
+        if not type.enumAdd(self.field_id, self.pairs_ast.pairs):
+            self.error("Duplicate enumeration: %s:%s" % (type, self.field_id))
+
+        # Fill machine info
+        machine = self.symtab.state_machine
+
+        if not machine:
+            self.error("State declaration not part of a machine.")
+        s = State(self.symtab, self.field_id, self.location, self.pairs)
+        machine.addState(s)
+
+        type.statePermPairAdd(s, self.perm_ast.value)
+
+