sygus input language and benchmark

1 files changed, 70 insertions, 0 deletions

diff --git a/src/parser/smt2/sygus_input.cpp b/src/parser/smt2/sygus_input.cpp
new file mode 100644
index 000000000..8bd02485b
--- /dev/null
+++ b/src/parser/smt2/sygus_input.cpp
@@ -0,0 +1,70 @@
+/*********************                                                        */
+/*! \file sygus_input.cpp
+ ** \verbatim
+ ** Original author: Christopher L. Conway
+ ** Major contributors: Morgan Deters
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2014  New York University and The University of Iowa
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief [[ Add file-specific comments here ]].
+ **
+ ** [[ Add file-specific comments here ]]
+ **/
+
+#include <antlr3.h>
+
+#include "parser/smt2/sygus_input.h"
+#include "expr/expr_manager.h"
+#include "parser/input.h"
+#include "parser/parser.h"
+#include "parser/parser_exception.h"
+#include "parser/smt2/sygus_input.h"
+#include "parser/smt2/generated/Smt2Lexer.h"
+#include "parser/smt2/generated/Smt2Parser.h"
+
+namespace CVC4 {
+namespace parser {
+
+/* Use lookahead=2 */
+SygusInput::SygusInput(AntlrInputStream& inputStream) :
+  AntlrInput(inputStream, 2) {
+
+  pANTLR3_INPUT_STREAM input = inputStream.getAntlr3InputStream();
+  assert( 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();
+  assert( tokenStream != NULL );
+
+  d_pSmt2Parser = Smt2ParserNew(tokenStream);
+  if( d_pSmt2Parser == NULL ) {
+    throw ParserException("Failed to create SMT2 parser.");
+  }
+
+  setAntlr3Parser(d_pSmt2Parser->pParser);
+}
+
+SygusInput::~SygusInput() {
+  d_pSmt2Lexer->free(d_pSmt2Lexer);
+  d_pSmt2Parser->free(d_pSmt2Parser);
+}
+
+Command* SygusInput::parseCommand() {
+  return d_pSmt2Parser->parseSygus(d_pSmt2Parser);
+}
+
+Expr SygusInput::parseExpr() {
+  return d_pSmt2Parser->parseExpr(d_pSmt2Parser);
+}
+
+}/* CVC4::parser namespace */
+}/* CVC4 namespace */