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author | Nathan Binkert <nate@binkert.org> | 2009-09-22 18:12:39 -0700 |
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committer | Nathan Binkert <nate@binkert.org> | 2009-09-22 18:12:39 -0700 |
commit | 2278363015a2a5cc850b38213833096d33b496e8 (patch) | |
tree | 8f7fea117f40cadbec70e68a0b92e1cb960dafbe /src/mem/slicc/ast/EnumExprAST.py | |
parent | 30d5d95b6a7c93ccf63ae0cfcc62d17306c31eee (diff) | |
download | gem5-2278363015a2a5cc850b38213833096d33b496e8.tar.xz |
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
Diffstat (limited to 'src/mem/slicc/ast/EnumExprAST.py')
-rw-r--r-- | src/mem/slicc/ast/EnumExprAST.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/EnumExprAST.py b/src/mem/slicc/ast/EnumExprAST.py new file mode 100644 index 000000000..9cb76a8a1 --- /dev/null +++ b/src/mem/slicc/ast/EnumExprAST.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.ExprAST import ExprAST + +class EnumExprAST(ExprAST): + def __init__(self, slicc, type_ast, value): + super(EnumExprAST, self).__init__(slicc) + + assert type_ast + assert value + + self.type_ast = type_ast + self.value = value + + def __repr__(self): + return "[EnumExpr: %s:%s]" % (self.type_ast, self.value) + + def generate(self, code): + fix = code.nofix() + code('${{self.type_ast.type.c_ident}}_${{self.value}}') + code.fix(fix) + + # Make sure the enumeration value exists + if self.value not in self.type_ast.type.enums: + self.error("Type '%s' does not have enumeration '%s'", + self.type_ast, self.value) + + return self.type_ast.type |