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Diffstat (limited to 'src/mem/slicc/ast/ActionDeclAST.cc')
-rw-r--r-- | src/mem/slicc/ast/ActionDeclAST.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/ActionDeclAST.cc b/src/mem/slicc/ast/ActionDeclAST.cc new file mode 100644 index 000000000..372920a1b --- /dev/null +++ b/src/mem/slicc/ast/ActionDeclAST.cc @@ -0,0 +1,96 @@ + +/* + * 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. + */ + +/* + * ActionDeclAST.C + * + * Description: See ActionDeclAST.h + * + * $Id$ + * + */ + +#include "mem/slicc/ast/ActionDeclAST.hh" +#include "mem/slicc/symbols/Action.hh" + +ActionDeclAST::ActionDeclAST(string* ident_ptr, + PairListAST* pairs_ptr, + StatementListAST* statement_list_ptr) + : DeclAST(pairs_ptr) +{ + m_ident_ptr = ident_ptr; + m_statement_list_ptr = statement_list_ptr; +} + +ActionDeclAST::~ActionDeclAST() +{ + delete m_ident_ptr; + delete m_statement_list_ptr; +} + +void ActionDeclAST::generate() +{ + Map<Var*, string> resource_list; + if (m_statement_list_ptr != NULL) { + string code; + + // Add new local vars + g_sym_table.pushFrame(); + + Type* type_ptr = g_sym_table.getType("Address"); + + if (type_ptr == NULL) { + error("Type 'Address' not declared."); + } + + g_sym_table.newSym(new Var("address", getLocation(), type_ptr, "addr", getPairs())); + + // Don't allows returns in actions + m_statement_list_ptr->generate(code, NULL); + + getPairs().add("c_code", code); + + m_statement_list_ptr->findResources(resource_list); + + g_sym_table.popFrame(); + } + + StateMachine* machine_ptr = g_sym_table.getStateMachine(); + if (machine_ptr == NULL) { + error("Action declaration not part of a machine."); + } else { + machine_ptr->addAction(new Action(*m_ident_ptr, resource_list, getLocation(), getPairs())); + } + +} + +void ActionDeclAST::print(ostream& out) const +{ + out << "[ActionDecl: " << *m_ident_ptr << "]"; +} |