Merging from branches/antlr3 (r246:354)

1 files changed, 73 insertions, 0 deletions

diff --git a/src/parser/cvc/cvc_input.cpp b/src/parser/cvc/cvc_input.cpp
new file mode 100644
index 000000000..9de608aae
--- /dev/null
+++ b/src/parser/cvc/cvc_input.cpp
@@ -0,0 +1,73 @@
+/*
+ * cvc_parser.cpp
+ *
+ *  Created on: Mar 5, 2010
+ *      Author: chris
+ */
+
+#include <antlr3.h>
+
+#include "expr/expr_manager.h"
+#include "parser/parser_exception.h"
+#include "parser/cvc/cvc_input.h"
+#include "parser/cvc/generated/CvcLexer.h"
+#include "parser/cvc/generated/CvcParser.h"
+
+namespace CVC4 {
+namespace parser {
+
+/* Use lookahead=2 */
+CvcInput::CvcInput(ExprManager* exprManager, const std::string& filename, bool useMmap) :
+  AntlrInput(exprManager,filename,2,useMmap) {
+  init();
+}
+
+CvcInput::CvcInput(ExprManager* exprManager, const std::string& input, const std::string& name) :
+  AntlrInput(exprManager,input,name,2) {
+  init();
+}
+
+void CvcInput::init() {
+  pANTLR3_INPUT_STREAM input = getInputStream();
+  AlwaysAssert( input != NULL );
+
+  d_pCvcLexer = CvcLexerNew(input);
+  if( d_pCvcLexer == NULL ) {
+    throw ParserException("Failed to create CVC lexer.");
+  }
+
+  setLexer( d_pCvcLexer->pLexer );
+
+  pANTLR3_COMMON_TOKEN_STREAM tokenStream = getTokenStream();
+  AlwaysAssert( tokenStream != NULL );
+
+  d_pCvcParser = CvcParserNew(tokenStream);
+  if( d_pCvcParser == NULL ) {
+    throw ParserException("Failed to create CVC parser.");
+  }
+
+  setParser(d_pCvcParser->pParser);
+  SetCvcInput(this);
+}
+
+
+CvcInput::~CvcInput() {
+  d_pCvcLexer->free(d_pCvcLexer);
+  d_pCvcParser->free(d_pCvcParser);
+}
+
+Command* CvcInput::doParseCommand() throw (ParserException) {
+  return d_pCvcParser->parseCommand(d_pCvcParser);
+}
+
+Expr CvcInput::doParseExpr() throw (ParserException) {
+  return d_pCvcParser->parseExpr(d_pCvcParser);
+}
+
+pANTLR3_LEXER CvcInput::getLexer() {
+  return d_pCvcLexer->pLexer;
+}
+
+} // namespace parser
+
+} // namespace CVC4