slicc: Pure python implementation of slicc.

This is simply a translation of the C++ slicc into python with very minimal
reorganization of the code.  The output can be verified as nearly identical
by doing a "diff -wBur".

Slicc can easily be run manually by using util/slicc

1 files changed, 63 insertions, 0 deletions

diff --git a/src/mem/slicc/ast/AST.py b/src/mem/slicc/ast/AST.py
new file mode 100644
index 000000000..5b1b124cd
--- /dev/null
+++ b/src/mem/slicc/ast/AST.py
@@ -0,0 +1,63 @@
+# 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 m5.util import code_formatter
+
+from slicc.util import PairContainer, Location
+
+class AST(PairContainer):
+    def __init__(self, slicc, pairs=None):
+        self.slicc = slicc
+        self.location = Location(slicc.current_file, slicc.lexer.lineno)
+        self.pairs = {}
+        if pairs:
+            self.pairs.update(getattr(pairs, "pairs", pairs))
+
+    @property
+    def symtab(self):
+        return self.slicc.symtab
+
+    @property
+    def state_machine(self):
+        return self.slicc.symtab.state_machine
+
+    def warning(self, message, *args):
+        self.location.warning(message, *args)
+
+    def error(self, message, *args):
+        self.location.error(message, *args)
+
+    def embedError(self, message, *args):
+        if args:
+            message = message % args
+        code = code_formatter()
+        code('''
+cerr << "Runtime Error at ${{self.location}}, Ruby Time: " << g_eventQueue_ptr->getTime() << ": "<< $message << ", PID: " << getpid() << endl;
+char c; cerr << "press return to continue." << endl; cin.get(c); abort();
+''')
+
+        return code