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Diffstat (limited to 'src/parser/smt2/smt2_input.cpp')
-rw-r--r-- | src/parser/smt2/smt2_input.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/parser/smt2/smt2_input.cpp b/src/parser/smt2/smt2_input.cpp new file mode 100644 index 000000000..5db4a9bd7 --- /dev/null +++ b/src/parser/smt2/smt2_input.cpp @@ -0,0 +1,67 @@ +/********************* */ +/** smt2_input.cpp + ** Original author: cconway + ** Major contributors: none + ** Minor contributors (to current version): mdeters + ** This file is part of the CVC4 prototype. + ** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys) + ** Courant Institute of Mathematical Sciences + ** New York University + ** See the file COPYING in the top-level source directory for licensing + ** information. + ** + ** [[ Add file-specific comments here ]] + **/ + +#include <antlr3.h> + +#include "smt2_input.h" +#include "expr/expr_manager.h" +#include "parser/parser.h" +#include "parser/parser_exception.h" +#include "parser/smt2/generated/Smt2Lexer.h" +#include "parser/smt2/generated/Smt2Parser.h" + +namespace CVC4 { +namespace parser { + +/* Use lookahead=2 */ +Smt2Input::Smt2Input(AntlrInputStream *inputStream) : + Input(inputStream, 2) { + pANTLR3_INPUT_STREAM input = inputStream->getAntlr3InputStream(); + AlwaysAssert( input != NULL ); + + d_pSmt2Lexer = Smt2LexerNew(input); + if( d_pSmt2Lexer == NULL ) { + throw ParserException("Failed to create SMT2 lexer."); + } + + setAntlr3Lexer( d_pSmt2Lexer->pLexer ); + + pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream(); + AlwaysAssert( tokenStream != NULL ); + + d_pSmt2Parser = Smt2ParserNew(tokenStream); + if( d_pSmt2Parser == NULL ) { + throw ParserException("Failed to create SMT2 parser."); + } + + setAntlr3Parser(d_pSmt2Parser->pParser); +} + + +Smt2Input::~Smt2Input() { + d_pSmt2Lexer->free(d_pSmt2Lexer); + d_pSmt2Parser->free(d_pSmt2Parser); +} + +Command* Smt2Input::parseCommand() throw (ParserException) { + return d_pSmt2Parser->parseCommand(d_pSmt2Parser); +} + +Expr Smt2Input::parseExpr() throw (ParserException) { + return d_pSmt2Parser->parseExpr(d_pSmt2Parser); +} + +}/* CVC4::parser namespace */ +}/* CVC4 namespace */ |