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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.
*/
/*
* FuncDeclAST.C
*
* Description: See FuncDeclAST.hh
*
* $Id: FuncDeclAST.C,v 3.4 2003/08/22 18:19:34 beckmann Exp $
*
*/
#include "mem/slicc/ast/FuncDeclAST.hh"
#include "mem/slicc/symbols/SymbolTable.hh"
#include "mem/slicc/main.hh"
FuncDeclAST::FuncDeclAST(TypeAST* return_type_ast_ptr,
string* ident_ptr,
Vector<FormalParamAST*>* formal_vec_ptr,
PairListAST* pairs_ptr,
StatementListAST* statement_list_ptr)
: DeclAST(pairs_ptr)
{
m_return_type_ast_ptr = return_type_ast_ptr;
m_ident_ptr = ident_ptr;
m_formal_vec_ptr = formal_vec_ptr;
m_statement_list_ptr = statement_list_ptr;
}
FuncDeclAST::~FuncDeclAST()
{
delete m_return_type_ast_ptr;
delete m_ident_ptr;
int size = m_formal_vec_ptr->size();
for(int i=0; i<size; i++) {
delete (*m_formal_vec_ptr)[i];
}
delete m_formal_vec_ptr;
delete m_statement_list_ptr;
}
void FuncDeclAST::generate()
{
Vector<Type*> type_vec;
Vector<string> param_vec;
Type* void_type_ptr = g_sym_table.getType("void");
// Generate definition code
g_sym_table.pushFrame();
// Lookup return type
Type* return_type_ptr = m_return_type_ast_ptr->lookupType();
// Generate function header
int size = m_formal_vec_ptr->size();
for(int i=0; i<size; i++) {
// Lookup parameter types
string ident;
Type* type_ptr = (*m_formal_vec_ptr)[i]->generate(ident);
type_vec.insertAtBottom(type_ptr);
param_vec.insertAtBottom(ident);
}
string body;
if (m_statement_list_ptr == NULL) {
getPairs().add("external", "yes");
} else {
m_statement_list_ptr->generate(body, return_type_ptr);
}
g_sym_table.popFrame();
StateMachine* machine_ptr = g_sym_table.getStateMachine();
if (machine_ptr != NULL) {
machine_ptr->addFunc(new Func(*m_ident_ptr, getLocation(), return_type_ptr, type_vec, param_vec, body, getPairs(), machine_ptr));
} else {
g_sym_table.newSym(new Func(*m_ident_ptr, getLocation(), return_type_ptr, type_vec, param_vec, body, getPairs(), machine_ptr));
}
}
void FuncDeclAST::print(ostream& out) const
{
out << "[FuncDecl: " << *m_ident_ptr << "]";
}
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