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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.
*/
/*
* MachineAST.C
*
* Description: See MachineAST.h
*
* $Id: MachineAST.C,v 3.1 2003/03/17 01:54:25 xu Exp $
*
*/
#include "MachineAST.hh"
#include "SymbolTable.hh"
MachineAST::MachineAST(string* ident_ptr,
PairListAST* pairs_ptr,
DeclListAST* decl_list_ptr)
: DeclAST(pairs_ptr)
{
m_ident_ptr = ident_ptr;
m_pairs_ptr = pairs_ptr;
m_decl_list_ptr = decl_list_ptr;
}
MachineAST::~MachineAST()
{
delete m_ident_ptr;
delete m_pairs_ptr;
delete m_decl_list_ptr;
}
void MachineAST::generate()
{
StateMachine* machine_ptr;
// Make a new frame
g_sym_table.pushFrame();
// Create a new machine
machine_ptr = new StateMachine(*m_ident_ptr, getLocation(), getPairs());
g_sym_table.newCurrentMachine(machine_ptr);
// Generate code for all the internal decls
m_decl_list_ptr->generate();
// Build the transition table
machine_ptr->buildTable();
// Pop the frame
g_sym_table.popFrame();
}
void MachineAST::findMachines()
{
// Add to MachineType enumeration
Type* type_ptr = g_sym_table.getType("MachineType");
if (!type_ptr->enumAdd(*m_ident_ptr, m_pairs_ptr->getPairs())) {
error("Duplicate machine name: " + type_ptr->toString() + ":" + *m_ident_ptr);
}
// Generate code for all the internal decls
m_decl_list_ptr->findMachines();
}
void MachineAST::print(ostream& out) const
{
out << "[Machine: " << *m_ident_ptr << "]";
}
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