v2/chuck_parse.h

   1 /*----------------------------------------------------------------------------
   2     ChucK Concurrent, On-the-fly Audio Programming Language
   3       Compiler and Virtual Machine
   4
   5     Copyright (c) 2004 Ge Wang and Perry R. Cook.  All rights reserved.
   6       http://chuck.cs.princeton.edu/
   7       http://soundlab.cs.princeton.edu/
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22     U.S.A.
  23 -----------------------------------------------------------------------------*/
  24
  25 //-----------------------------------------------------------------------------
  26 // file: chuck_parse.h
  27 // desc: chuck parser interface (using flex and bison)
  28 //
  29 // author: Ge Wang (gewang@cs.princeton.edu)
  30 //         Perry R. Cook (prc@cs.princeton.edu)
  31 // date: Autumn 2002 - original in chuck_main.cpp
  32 //       Autumn 2005 - this file
  33 //-----------------------------------------------------------------------------
  34 #ifndef __CHUCK_PARSE_H__
  35 #define __CHUCK_PARSE_H__
  36
  37 #include "chuck_def.h"
  38 #include "chuck_absyn.h"
  39
  40 #include <stdio.h>
  41
  42 #include <string>
  43
  44 // 'C' specification necessary for windows to link properly
  45 #ifdef __PLATFORM_WIN32__
  46   extern "C" a_Program g_program;
  47 #else
  48   extern a_Program g_program;
  49 #endif
  50
  51 // link with the parser
  52 extern "C" int yyparse( void );
  53 extern "C" void yyrestart( FILE * );
  54
  55 struct yy_buffer_state;
  56 typedef yy_buffer_state * YY_BUFFER_STATE;
  57 extern "C" YY_BUFFER_STATE yy_scan_string( const char * );
  58 extern "C" void yy_delete_buffer( YY_BUFFER_STATE );
  59
  60 // open file with .ck append as appropriate
  61 FILE * open_cat_ck( c_str filename );
  62 // parse file
  63 t_CKBOOL chuck_parse( c_constr fname, FILE * fd = NULL, c_constr code = NULL );
  64 // reset the parser
  65 void reset_parse( );
  66
  67
  68 // syntax highlighting tools
  69 #include <vector>
  70
  71
  72 // syntax types (for highlighting)
  73 enum SyntaxType
  74 {
  75     COMMA = 0,
  76     SEMICOLON,
  77     DBLCOLON,
  78     PAREN,
  79     DOT,
  80     CHUCK_OP,
  81     OPERATOR,
  82     KEYWORD,
  83     DEBUG_PRINT,
  84     SPORK,
  85     INTEGER,
  86     FLOATING,
  87     STRING,
  88     COMMENT,
  89     OTHER,
  90
  91     NUM_SYNTAX_TYPES
  92 };
  93
  94
  95 // token info
  96 struct SyntaxToken
  97 {
  98     // the token
  99     std::string token;
 100     // type
 101     t_CKUINT type;
 102
 103     // from the beginning of line
 104     std::string::size_type begin;
 105     // from the beginning of line
 106     std::string::size_type end;
 107
 108     // constructor
 109     SyntaxToken() : type(0) { }
 110     // copy constructor
 111     SyntaxToken( const SyntaxToken & rhs )
 112     {
 113         token = rhs.token;
 114         type = rhs.type;
 115         begin = rhs.begin;
 116         end = rhs.end;
 117     }
 118 };
 119
 120
 121 // token list
 122 struct SyntaxTokenList
 123 {
 124     std::vector<SyntaxToken> list;
 125     std::vector<SyntaxToken>::size_type howmany;
 126     // copy constructor
 127     SyntaxTokenList( const SyntaxTokenList & rhs )
 128     {
 129         // copy
 130         howmany = rhs.howmany;
 131         // allocate
 132         list.resize( howmany );
 133         // copy
 134         for( std::vector<SyntaxToken>::size_type i = 0; i < howmany; i++ )
 135             list[i] = rhs.list[i];
 136     }
 137         SyntaxTokenList() {
 138                 howmany = 0;
 139         }
 140 };
 141
 142
 143 // token query
 144 struct SyntaxQuery
 145 {
 146 public:
 147     t_CKBOOL parseLine( const std::string & line,
 148                         SyntaxTokenList & tokens );
 149 };
 150
 151
 152
 153
 154 #endif