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