99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
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/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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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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*/
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/*
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* IfStatementAST.C
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*
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* Description: See IfStatementAST.hh
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*
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* $Id$
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*
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*/
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#include "mem/slicc/ast/IfStatementAST.hh"
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IfStatementAST::IfStatementAST(ExprAST* cond_ptr,
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StatementListAST* then_ptr,
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StatementListAST* else_ptr)
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: StatementAST()
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{
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assert(cond_ptr != NULL);
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assert(then_ptr != NULL);
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m_cond_ptr = cond_ptr;
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m_then_ptr = then_ptr;
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m_else_ptr = else_ptr;
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}
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IfStatementAST::~IfStatementAST()
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{
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delete m_cond_ptr;
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delete m_then_ptr;
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delete m_else_ptr;
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}
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void IfStatementAST::generate(string& code, Type* return_type_ptr) const
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{
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Type* type_ptr;
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// Conditional
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code += indent_str() + "if (";
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type_ptr = m_cond_ptr->generate(code);
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if (type_ptr != g_sym_table.getType("bool")) {
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m_cond_ptr->error("Condition of if statement must be boolean, type was '" + type_ptr->toString() + "'");
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}
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code += ") {\n";
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// Then part
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inc_indent();
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m_then_ptr->generate(code, return_type_ptr);
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dec_indent();
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// Else part
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if (m_else_ptr != NULL) {
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code += indent_str() + "} else {\n";
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inc_indent();
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m_else_ptr->generate(code, return_type_ptr);
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dec_indent();
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}
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code += indent_str() + "}\n"; // End scope
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}
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void IfStatementAST::findResources(Map<Var*, string>& resource_list) const
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{
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// Take a worse case look at both paths
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m_then_ptr->findResources(resource_list);
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if (m_else_ptr != NULL) {
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m_else_ptr->findResources(resource_list);
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}
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}
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void IfStatementAST::print(ostream& out) const
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{
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out << "[IfStatement: " << *m_cond_ptr << *m_then_ptr << *m_else_ptr << "]";
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}
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