2278363015
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
56 lines
2.5 KiB
Python
56 lines
2.5 KiB
Python
# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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# Copyright (c) 2009 The Hewlett-Packard Development Company
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from m5.util import code_formatter
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from slicc.ast.ExprAST import ExprAST
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class MemberExprAST(ExprAST):
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def __init__(self, slicc, expr_ast, field):
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super(MemberExprAST, self).__init__(slicc)
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self.expr_ast = expr_ast
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self.field = field
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def __repr__(self):
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return "[MemberExprAST: %r.%r]" % (self.expr_ast, self.field)
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def generate(self, code):
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return_type, gcode = self.expr_ast.inline(True)
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fix = code.nofix()
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code("($gcode).m_${{self.field}}")
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code.fix(fix)
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# Verify that this is a valid field name for this type
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if self.field not in return_type.data_members:
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error("Invalid object field: " +
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"Type '%s' does not have data member %s" % \
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(return_type, self.field))
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# Return the type of the field
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return return_type.data_members[self.field].type
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