src/parser/input.cpp

   1 /*********************                                                        */
   2 /*! \file input.cpp
   3  ** \verbatim
   4  ** Original author: dejan
   5  ** Major contributors: mdeters, cconway
   6  ** Minor contributors (to current version): none
   7  ** This file is part of the CVC4 prototype.
   8  ** Copyright (c) 2009, 2010, 2011  The Analysis of Computer Systems Group (ACSys)
   9  ** Courant Institute of Mathematical Sciences
  10  ** New York University
  11  ** See the file COPYING in the top-level source directory for licensing
  12  ** information.\endverbatim
  13  **
  14  ** \brief A super-class for input language parsers.
  15  **
  16  ** A super-class for input language parsers
  17  **/
  18
  19 #include "input.h"
  20 #include "parser_exception.h"
  21 #include "parser.h"
  22
  23 #include "expr/command.h"
  24 #include "expr/type.h"
  25 #include "parser/antlr_input.h"
  26 #include "util/output.h"
  27 #include "util/Assert.h"
  28
  29 using namespace std;
  30 using namespace CVC4;
  31 using namespace CVC4::parser;
  32 using namespace CVC4::kind;
  33
  34 namespace CVC4 {
  35 namespace parser {
  36
  37 InputStreamException::InputStreamException(const std::string& msg) :
  38   Exception(msg) {
  39 }
  40
  41 const std::string InputStream::getName() const {
  42   return d_name;
  43 }
  44
  45 Input::Input(InputStream& inputStream) :
  46     d_inputStream( &inputStream ) {
  47 }
  48
  49 Input::~Input() {
  50   delete d_inputStream;
  51 }
  52
  53 InputStream *Input::getInputStream() {
  54   return d_inputStream;
  55 }
  56
  57 Input* Input::newFileInput(InputLanguage lang,
  58                            const std::string& filename,
  59                            bool useMmap)
  60   throw (InputStreamException, AssertionException) {
  61   AntlrInputStream *inputStream =
  62     AntlrInputStream::newFileInputStream(filename,useMmap);
  63   return AntlrInput::newInput(lang,*inputStream);
  64 }
  65
  66 Input* Input::newStreamInput(InputLanguage lang,
  67                              std::istream& input,
  68                              const std::string& name)
  69   throw (InputStreamException, AssertionException) {
  70   AntlrInputStream *inputStream =
  71     AntlrInputStream::newStreamInputStream(input,name);
  72   return AntlrInput::newInput(lang,*inputStream);
  73 }
  74
  75 Input* Input::newStringInput(InputLanguage lang,
  76                              const std::string& str,
  77                              const std::string& name)
  78   throw (InputStreamException, AssertionException) {
  79   AntlrInputStream *inputStream = AntlrInputStream::newStringInputStream(str,name);
  80   return AntlrInput::newInput(lang,*inputStream);
  81 }
  82
  83 }/* CVC4::parser namespace */
  84 }/* CVC4 namespace */