diff options
Diffstat (limited to 'src/parser/smt/smt_input.h')
-rw-r--r-- | src/parser/smt/smt_input.h | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/src/parser/smt/smt_input.h b/src/parser/smt/smt_input.h index b3613d67b..4795edc91 100644 --- a/src/parser/smt/smt_input.h +++ b/src/parser/smt/smt_input.h @@ -23,23 +23,59 @@ class ExprManager; namespace parser { class SmtInput : public AntlrInput { + + /** The ANTLR3 SMT lexer for the input. */ + pSmtLexer d_pSmtLexer; + + /** The ANTLR3 CVC parser for the input. */ + pSmtParser d_pSmtParser; + public: + + /** Create a file input. + * + * @param exprManager the manager to use when building expressions from the input + * @param filename the path of the file to read + * @param useMmap <code>true</code> if the input should use memory-mapped + * I/O; otherwise, the input will use the standard ANTLR3 I/O implementation. + */ SmtInput(ExprManager* exprManager, const std::string& filename, bool useMmap); + + /** Create a string input. + * + * @param exprManager the manager to use when building expressions from the input + * @param input the string to read + * @param name the "filename" to use when reporting errors + */ SmtInput(ExprManager* exprManager, const std::string& input, const std::string& name); + + /* Destructor. Frees the lexer and the parser. */ ~SmtInput(); protected: + + /** Parse a command from the input. Returns <code>NULL</code> if there is + * no command there to parse. + * + * @throws ParserException if an error is encountered during parsing. + */ Command* doParseCommand() throw(ParserException); + + /** Parse an expression from the input. Returns a null <code>Expr</code> + * if there is no expression there to parse. + * + * @throws ParserException if an error is encountered during parsing. + */ Expr doParseExpr() throw(ParserException); - pANTLR3_LEXER getLexer(); - pANTLR3_LEXER createLexer(pANTLR3_INPUT_STREAM input); - pANTLR3_PARSER createParser(pANTLR3_COMMON_TOKEN_STREAM tokenStream); private: + + /** Initialize the class. Called from the constructors once the input stream + * is initialized. */ void init(); - pSmtLexer d_pSmtLexer; - pSmtParser d_pSmtParser; + }; // class SmtInput + } // namespace parser } // namespace CVC4 |