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/****************************************************************************** |
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* Top contributors (to current version): |
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* Christopher L. Conway, Morgan Deters, Andrew Reynolds |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* [[ Add one-line brief description here ]] |
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* |
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* [[ Add lengthier description here ]] |
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*/ |
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#include "parser/cvc/cvc_input.h" |
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#include <antlr3.h> |
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#include "base/check.h" |
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#include "parser/antlr_input.h" |
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#include "parser/cvc/CvcLexer.h" |
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#include "parser/cvc/CvcParser.h" |
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#include "parser/parser_exception.h" |
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namespace cvc5 { |
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namespace parser { |
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/* Use lookahead=3 */ |
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CvcInput::CvcInput(AntlrInputStream& inputStream) : |
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AntlrInput(inputStream,6) { |
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pANTLR3_INPUT_STREAM input = inputStream.getAntlr3InputStream(); |
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Assert(input != NULL); |
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d_pCvcLexer = CvcLexerNew(input); |
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if( d_pCvcLexer == NULL ) { |
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throw ParserException("Failed to create CVC lexer."); |
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} |
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setAntlr3Lexer( d_pCvcLexer->pLexer ); |
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pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream(); |
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Assert(tokenStream != NULL); |
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d_pCvcParser = CvcParserNew(tokenStream); |
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if( d_pCvcParser == NULL ) { |
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throw ParserException("Failed to create CVC parser."); |
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} |
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setAntlr3Parser(d_pCvcParser->pParser); |
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} |
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CvcInput::~CvcInput() { |
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d_pCvcLexer->free(d_pCvcLexer); |
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d_pCvcParser->free(d_pCvcParser); |
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} |
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Command* CvcInput::parseCommand() { |
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return d_pCvcParser->parseCommand(d_pCvcParser); |
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} |
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api::Term CvcInput::parseExpr() |
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{ |
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return d_pCvcParser->parseExpr(d_pCvcParser); |
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} |
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/* |
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pANTLR3_LEXER CvcInput::getLexer() { |
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return d_pCvcLexer->pLexer; |
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} |
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*/ |
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} // namespace parser |
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} // namespace cvc5 |