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/*
* 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.
*/
/*
* $Id$
*
*/
#include "mem/slicc/ast/EnqueueStatementAST.hh"
#include "mem/slicc/symbols/SymbolTable.hh"
#include "mem/slicc/ast/VarExprAST.hh"
#include "mem/slicc/ast/PairListAST.hh"
#include "mem/gems_common/util.hh"
EnqueueStatementAST::EnqueueStatementAST(VarExprAST* queue_name_ptr,
TypeAST* type_name_ptr,
PairListAST* pairs_ptr,
StatementListAST* statement_list_ast_ptr)
: StatementAST(pairs_ptr->getPairs())
{
m_queue_name_ptr = queue_name_ptr;
m_type_name_ptr = type_name_ptr;
m_statement_list_ast_ptr = statement_list_ast_ptr;
}
EnqueueStatementAST::~EnqueueStatementAST()
{
delete m_queue_name_ptr;
delete m_type_name_ptr;
delete m_statement_list_ast_ptr;
}
void EnqueueStatementAST::generate(string& code, Type* return_type_ptr) const
{
code += indent_str() + "{\n"; // Start scope
inc_indent();
g_sym_table.pushFrame();
Type* msg_type_ptr = m_type_name_ptr->lookupType();
// Add new local var to symbol table
g_sym_table.newSym(new Var("out_msg", getLocation(), msg_type_ptr, "out_msg", getPairs()));
code += indent_str() + msg_type_ptr->cIdent() + " out_msg;\n"; // Declare message
m_statement_list_ast_ptr->generate(code, NULL); // The other statements
code += indent_str();
m_queue_name_ptr->assertType("OutPort");
code += "(" + m_queue_name_ptr->getVar()->getCode() + ")";
code += ".enqueue(out_msg";
if (getPairs().exist("latency")) {
code += ", m_LATENCY_" + getPairs().lookup("latency");
}
code += ");\n";
dec_indent();
g_sym_table.popFrame();
code += indent_str() + "}\n"; // End scope
}
void EnqueueStatementAST::findResources(Map<Var*, string>& resource_list) const
{
Var* var_ptr = m_queue_name_ptr->getVar();
int res_count = 0;
if (resource_list.exist(var_ptr)) {
res_count = atoi((resource_list.lookup(var_ptr)).c_str());
}
resource_list.add(var_ptr, int_to_string(res_count+1));
}
void EnqueueStatementAST::print(ostream& out) const
{
out << "[EnqueueStatementAst: " << *m_queue_name_ptr << " "
<< m_type_name_ptr->toString() << " " << *m_statement_list_ast_ptr << "]";
}
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