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