gem5/src/mem/slicc/ast/AssignStatementAST.cc

77 lines
2.9 KiB
C++

/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* 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.
*/
/*
* AssignStatementAST.C
*
* Description: See AssignStatementAST.hh
*
* $Id: AssignStatementAST.C,v 3.2 2003/08/01 18:38:19 beckmann Exp $
*
*/
#include "mem/slicc/ast/AssignStatementAST.hh"
AssignStatementAST::AssignStatementAST(ExprAST* lvalue_ptr, ExprAST* rvalue_ptr)
: StatementAST()
{
m_lvalue_ptr = lvalue_ptr;
m_rvalue_ptr = rvalue_ptr;
}
AssignStatementAST::~AssignStatementAST()
{
delete m_lvalue_ptr;
delete m_rvalue_ptr;
}
void AssignStatementAST::generate(string& code, Type* return_type_ptr) const
{
code += indent_str();
Type* lvalue_type_ptr = m_lvalue_ptr->generate(code);
code += " = ";
Type* rvalue_type_ptr = m_rvalue_ptr->generate(code);
code += ";\n";
if (lvalue_type_ptr != rvalue_type_ptr) {
// FIXME - beckmann
// the following if statement is a hack to allow NetDest objects to be assigned to Sets
// this allows for the previous NetworkMessage Destiantion 'Set class' to migrate to the
// new NetworkMessage Destiantion 'NetDest class'
if (lvalue_type_ptr->toString() != "NetDest" && rvalue_type_ptr->toString() != "Set") {
error("Assignment type mismatch '" + lvalue_type_ptr->toString() + "' and '" + rvalue_type_ptr->toString() + "'");
}
}
}
void AssignStatementAST::print(ostream& out) const
{
out << "[AssignStatementAST: " << *m_lvalue_ptr << " := " << *m_rvalue_ptr << "]";
}