Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: math_parser.C Sprache: C

Original von: Lyx^©

/*
*  File:        math_parser.C
*  Purpose:     Parser for mathed
*  Author:      Alejandro Aguilar Sierra <[email protected]>
*  Created:     January 1996
*  Description: Parse LaTeX2e math mode code.
*
*  Dependencies: Xlib, XForms
*
*  Copyright: (c) 1996, Alejandro Aguilar Sierra
*
*   Version: 0.8beta.
*
*   You are free to use and modify this code under the terms of
*   the GNU General Public Licence version 2 or later.
*/

#include <config.h>
#include <stdlib.h>

#ifdef __GNUG__
#pragma implementation "math_parser.h"
#endif

#include "math_parser.h"
#include "math_iter.h"
#include "math_inset.h"
#include "math_macro.h"
#include "error.h"

enum {
FLAG_BRACE      = 1, //  A { needed
FLAG_BRACE_ARG  = 2, //  Next { is argument
FLAG_BRACE_OPT  = 4, //  Optional {
FLAG_BRACE_LAST = 8, //  Last } ends the parsing process
FLAG_BRACK_ARG  = 16, //  Optional [
FLAG_RIGHT = 32,      //  Next right ends the parsing process
FLAG_END = 64,      //  Next end ends the parsing process
FLAG_BRACE_FONT = 128 //  Next } closes a font
};

YYSTYPE yylval;

static short mathed_env = LM_EN_INTEXT;

char *mathed_label = NULL;

char const *latex_mathenv[] = {
   "math",
   "displaymath",
   "equation",
   "eqnarray*",
   "eqnarray",
   "array"
};

char const *latex_mathspace[] = {
   "!", ",", ":", ";", "quad", "qquad"
};

char const *latex_special_chars = "#$%&_{}";

// These are lexical codes, not semantic
enum lexcode_enum {
   LexNone,
   LexESC,
   LexAlpha,
   LexDigit,
   LexBOP,         // Binary operators or relations
   LexMathSpace,
   LexOpen,
   LexClose,
   LexComment,
   LexArgument,
   LexSpace,
   LexNewLine,
   LexOther,
   LexSelf
};

static lexcode_enum lexcode[256];
static char yytext[256];
static int yylineno;
static FILE *yyin;
static bool yy_mtextmode=false;

inline
char *strnew(char const* s)
{
char *s1 = new char[strlen(s)+1]; // this leaks when not delete[]'ed
strcpy(s1, s);
return s1;
}

static void mathPrintError(char const *msg)
{
    fprintf(stderr, "Line ~%d: Math parse error: %s\n", yylineno, msg);
}

static void LexInitCodes()
{
   int i;

   for (i=0;  i<=255; i++) lexcode[i] = LexNone;
   for (i='A'; i<='Z'; i++) lexcode[i] = LexAlpha;
   for (i='a'; i<='z'; i++) lexcode[i] = LexAlpha;
   for (i='0'; i<='9'; i++) lexcode[i] = LexDigit;
   lexcode['\t'] = lexcode['\f'] = lexcode[' '] = LexSpace;
   lexcode['\n'] = LexNewLine;
   lexcode['%'] = LexComment;
   lexcode['#'] = LexArgument;
   lexcode['+'] = lexcode['-'] = lexcode['*'] = lexcode['/'] =
   lexcode['<'] = lexcode['>'] = lexcode['='] = LexBOP;

   lexcode['!'] = lexcode[','] = lexcode[':'] = lexcode[';'] = LexMathSpace;
   lexcode['('] = lexcode[')'] = lexcode['|'] = lexcode['.'] = lexcode['?'] = LexOther;
   lexcode['\'']= LexAlpha;

   lexcode['['] = lexcode[']'] = lexcode['^'] = lexcode['_'] =
   lexcode['&'] = LexSelf;

   lexcode['\\'] = LexESC;
   lexcode['{'] = LexOpen;
   lexcode['}'] = LexClose;
}

static char LexGetArg(char lf, bool accept_spaces=false)
{
   char c, rg, *p = &yytext[0];
   int bcnt =1;

   while (!feof(yyin)) {
      c = getc(yyin);
      if (c>' ') {
  if (!lf) lf = c; else
  if (c!=lf)
    fprintf(stderr, "Math parse error: unexpected '%c'\n", c);
  break;
      }
   }
   rg = (lf=='{') ? '}': ((lf=='[') ? ']': ((lf=='(') ? ')': 0));
   if (!rg) {
      fprintf(stderr, "Math parse error: unknown bracket '%c'\n", lf);
      return '\0';
   }
   do {
      c = getc(yyin);
      if (c==lf) bcnt++;
      if (c==rg) bcnt--;
      if ((c>' ' || (c==' ' && accept_spaces)) && bcnt>0) *(p++) = c;
   } while (bcnt>0 && !feof(yyin));
   *p = '\0';
   return rg;
}

static int yylex(void)
{
   static int init_done = 0;
   char c;

   if (!init_done) LexInitCodes();

   while (!feof(yyin)) {
      c = getc(yyin);

      if (yy_mtextmode && c==' ') {
   yylval.i=' ';
   return LM_TK_ALPHA;
      }

       if (lexcode[c]==LexNewLine) {
    yylineno++;
    continue;
       }

      if (lexcode[c]==LexComment)
do c = getc(yyin); while (c!='\n' % !feof(yyin));  // eat comments

      if (lexcode[c]==LexDigit || lexcode[c]==LexOther || lexcode[c]==LexMathSpace)
        { yylval.i= c; return LM_TK_STR; }
      if (lexcode[c]==LexAlpha) { yylval.i=c; return LM_TK_ALPHA; }
      if (lexcode[c]==LexBOP)   { yylval.i=c; return LM_TK_BOP; }
      if (lexcode[c]==LexSelf)  { return c; }
      if (lexcode[c]==LexArgument)   {
   c = getc(yyin);
   yylval.i = c - '0';
   return LM_TK_ARGUMENT;
      }
      if (lexcode[c]==LexOpen)   { return LM_TK_OPEN; }
      if (lexcode[c]==LexClose)   { return LM_TK_CLOSE; }

      if (lexcode[c]==LexESC)   {
  c = getc(yyin);
  if (c=='\\') { return LM_TK_NEWLINE; }
  if (c=='(') { yylval.i = LM_EN_INTEXT; return LM_TK_BEGIN; }
  if (c==')') { yylval.i = LM_EN_INTEXT; return LM_TK_END; }
  if (c=='[') { yylval.i = LM_EN_DISPLAY; return LM_TK_BEGIN; }
  if (c==']') { yylval.i = LM_EN_DISPLAY; return LM_TK_END; }
  if (strchr(latex_special_chars, c)) {
      yylval.i = c;
      return LM_TK_SPECIAL;
  }
  if (lexcode[c]==LexMathSpace) {
     int i;
     for (i=0; i<4 && c!=latex_mathspace[i][0]; i++);
     yylval.i = (i<4) ? i: 0;
     return LM_TK_SPACE;
  }
  if (lexcode[c]==LexAlpha || lexcode[c]==LexDigit) {
     char* p = &yytext[0];
     while (lexcode[c]==LexAlpha || lexcode[c]==LexDigit) {
        *p = c;
        c = getc(yyin);
        p++;
     }
     *p = '\0';
     if (!feof(yyin)) ungetc(c, yyin);
     latexkeys *l = in_word_set (yytext, strlen(yytext));
     if (l) {
        if (l->token==LM_TK_BEGIN || l->token==LM_TK_END) {
    int i;
    LexGetArg('{');
//   for (i=0; i<5 && strncmp(yytext, latex_mathenv[i],
// strlen(latex_mathenv[i])); i++);

    for (i=0; i<6 && strcmp(yytext, latex_mathenv[i]); i++);
    yylval.i = i;
        } else
        if (l->token==LM_TK_SPACE)
   yylval.i = l->id;
        else
   yylval.l = l;
        return l->token;
     } else {
        yylval.s = yytext;
        return LM_TK_UNDEF;
     }
  }
      }
   }
   return 0;
}

int parse_align(char *hor, char *)
{
   char *c;

   int nc = 0;
   for (c=hor; c && *c>' '; c++) nc++;
   return nc;
}

// Accent hacks only for 0.12. Stolen from Cursor.
int accent = 0;
int nestaccent[8];

void setAccent(int ac)
{
if (ac > 0 && accent < 8) {
  nestaccent[accent++] = ac;
} else
   accent = 0;  // consumed!
}

MathedInset *doAccent(byte c, MathedTextCodes t)
{
MathedInset *ac = 0;

for (int i=accent-1; i>=0; i--) {
  if (i==accent-1)
    ac = new MathAccentInset(c, t, nestaccent[i]);
  else
    ac = new MathAccentInset(ac, nestaccent[i]);
}
accent = 0;  // consumed!

return ac;
}

MathedInset *doAccent(MathedInset *p)
{
MathedInset *ac = 0;

for (int i=accent-1; i>=0; i--) {
  if (i==accent-1)
    ac = new MathAccentInset(p, nestaccent[i]);
  else
    ac = new MathAccentInset(ac, nestaccent[i]);
}
accent = 0;  // consumed!

return ac;
}

LyxArrayBase *mathed_parse(unsigned flags, LyxArrayBase *array, MathParInset **mtx)
{
   int t = yylex(), tprev = 0;
   bool panic = false;
   static int plevel = -1;
   static int size = LM_ST_TEXT;
   MathedTextCodes varcode = LM_TC_VAR;
   MathedInset* binset = 0;
   static MathMacroTemplate *macro=0;

   int brace = 0;
   int acc_brace = 0;
   int acc_braces[8];
   MathParInset *mt = (mtx) ? *mtx: 0;//(MathParInset*)NULL;
    MathedRowSt *crow = (mt) ? mt->getRowSt(): 0;

   plevel++;
   if (!array) array = new LyxArrayBase;
   MathedIter data(array);
   while (t) {
      if ((flags & FLAG_BRACE) && t != LM_TK_OPEN) {
  if ((flags & FLAG_BRACK_ARG) && t=='[') {
  }
  else {
      mathPrintError("Expected {. Maybe you forgot to enclose an argument in {}");
     panic = true;
     break;
  }
      }
    MathedInsetTypes fractype = LM_OT_FRAC;
    switch (t) {
    case LM_TK_ALPHA:
      {
  if (accent) {
      data.Insert(doAccent(yylval.i, varcode));
  } else
     data.Insert (yylval.i, varcode);  //LM_TC_VAR);
  break;
      }
    case LM_TK_ARGUMENT:
      {
   if (macro) {
       data.Insert(macro->getMacroPar(yylval.i-1), LM_TC_INSET);
   }
   break;
      }
    case LM_TK_NEWCOMMAND:
      {
   int na = 0;

   LexGetArg('{');
   // This name lives until quitting, for that reason
   // I didn't care on deleting explicitly. Later I will.
   char const *name = strnew(&yytext[1]);
   // ugly trick to be removed soon (lyx3)
   char c = getc(yyin);
   ungetc(c, yyin);
   if (c=='[') {
       LexGetArg('[');
       na = atoi(yytext);
   }
   macro = new MathMacroTemplate(name, na);
   flags = FLAG_BRACE|FLAG_BRACE_LAST;
   *mtx = macro;
   macro->SetData(array);
   break;
      }
    case LM_TK_SPECIAL:
      {
   data.Insert (yylval.i, LM_TC_SPECIAL);
   break;
      }
    case LM_TK_STR:
      {
   if (accent) {
    data.Insert(doAccent(yylval.i, LM_TC_CONST));
   } else
     data.Insert (yylval.i, LM_TC_CONST);
   break;
      }
    case LM_TK_OPEN:
      {
brace++;
if  (accent && tprev==LM_TK_ACCENT) {
     acc_braces[acc_brace++] = brace;
     break;
}
if (flags & FLAG_BRACE_OPT) {
    flags &= ~FLAG_BRACE_OPT;
    flags |= FLAG_BRACE;
}

if (flags & FLAG_BRACE)
   flags &= ~FLAG_BRACE;
  else {
     data.Insert ('{', LM_TC_TEX);
  }
break;
      }
    case LM_TK_CLOSE:
      {
  brace--;
  if (brace < 0) {
     mathPrintError("Unmatching braces");
     panic = true;
     break;
  }
  if (acc_brace && brace==acc_braces[acc_brace-1]-1) {
      acc_brace--;
      break;
  }
  if (flags & FLAG_BRACE_FONT) {
     varcode = LM_TC_VAR;
     yy_mtextmode = false;
     flags &= ~FLAG_BRACE_FONT;
     break;
  }
  if (brace == 0 && (flags & FLAG_BRACE_LAST)) {
     plevel--;
     return array;
  } else {
     data.Insert ('}', LM_TC_TEX);
  }
  break;
      }

    case '[':
      {
  if (flags & FLAG_BRACK_ARG) {
    flags &= ~FLAG_BRACK_ARG;
    char rg=LexGetArg('[');
    if (rg!=']') {
       mathPrintError("Expected ']'");
       panic = true;
       break;
    }
//    if (arg) strcpy(arg, yytext);
} else
   data.Insert ('[');
break;
      }
    case ']':
      {
data.Insert (']');
break;
      }

    case '^':
      {
  MathParInset *p = new MathParInset(size, "", LM_OT_SCRIPT);
  LyxArrayBase * ar = mathed_parse(FLAG_BRACE_OPT|FLAG_BRACE_LAST, NULL);
  p->SetData(ar);
// fprintf(stderr, "UP[%d]", p->GetStyle());
  data.Insert (p, LM_TC_UP);
  break;
      }
    case '_':
      {
  MathParInset *p = new MathParInset(size, "", LM_OT_SCRIPT);
  LyxArrayBase * ar = mathed_parse(FLAG_BRACE_OPT|FLAG_BRACE_LAST, NULL);
  p->SetData(ar);
  data.Insert (p, LM_TC_DOWN);
  break;
      }

    case LM_TK_LIMIT:
      {
  if (binset) {
     binset->SetLimits((bool)(yylval.l->id));
     binset = NULL;
  }
  break;
      }

    case '&':    // Tab
      {
  if ((flags & FLAG_END) && mt && data.getCol()<mt->GetColumns()-1) {
      data.setNumCols(mt->GetColumns());
      data.Insert('T', LM_TC_TAB);
  } else
     mathPrintError("Unexpected tab");
  // debug info. [made that conditional -JMarc]
  if (lyxerr.debugging(Error::MATHED))
   fprintf(stderr, "%d %d\n", data.getCol(), mt->GetColumns());
break;
      }
    case LM_TK_NEWLINE:
      {
   if (mt && (flags & FLAG_END)) {
       if (mt->Permit(LMPF_ALLOW_CR)) {
    if (crow) {
     crow->setNext(new MathedRowSt(mt->GetColumns()+1)); // this leaks
        crow = crow->getNext();
    }
    data.Insert('K', LM_TC_CR);
       } else
  mathPrintError("Unexpected newline");
   }
   break;
      }
    case LM_TK_BIGSYM:
      {
  binset = new MathBigopInset(yylval.l->name,yylval.l->id);
  data.Insert(binset);
  break;
      }
    case LM_TK_SYM:
      {
  if (yylval.l->id < 256) {
     MathedTextCodes tc = MathIsBOPS(yylval.l->id) ? LM_TC_BOPS: LM_TC_SYMB;
     if (accent) {
  data.Insert(doAccent(yylval.l->id, tc));
     } else
     data.Insert (yylval.l->id, tc);
  } else {
     MathFuncInset *bg = new MathFuncInset(yylval.l->name);
      if (accent) {
       data.Insert(doAccent(bg));
      } else
      data.Insert(bg, true);
  }
  break;
      }
    case LM_TK_BOP:
      {
  if (accent) {
   data.Insert(doAccent(yylval.i, LM_TC_BOP));
   } else
     data.Insert (yylval.i, LM_TC_BOP);
  break;
      }
    case LM_TK_STY:
      {
   if (mt) {
       mt->UserSetSize(yylval.l->id);
   }
   break;
      }
    case LM_TK_SPACE:
      {
  if (yylval.i>=0) {
     MathSpaceInset *sp = new MathSpaceInset(yylval.i);
     data.Insert(sp);
  }
  break;
      }
    case LM_TK_DOTS:
      {
  MathDotsInset *p = new MathDotsInset(yylval.l->name, yylval.l->id);
  data.Insert(p);
  break;
      }
    case LM_TK_STACK:
       fractype = LM_OT_STACKREL;
    case LM_TK_FRAC:
      {
  MathFracInset *fc = new MathFracInset(fractype);
  LyxArrayBase* num = mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST);
  LyxArrayBase* den = mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST);
  fc->SetData(num, den);
  data.Insert(fc, LM_TC_ACTIVE_INSET);
  break;
      }
    case LM_TK_SQRT:
      {
  MathSqrtInset *sq = new MathSqrtInset(size);
  sq->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST, 0, (MathParInset **)&sq));
  data.Insert(sq, LM_TC_ACTIVE_INSET);
  break;
      }

    case LM_TK_LEFT:
      {
  int lfd, rgd;
  lfd=yylex();
  if (lfd==LM_TK_SYM || lfd==LM_TK_STR || lfd==LM_TK_BOP|| lfd==LM_TK_SPECIAL)
    lfd = (lfd==LM_TK_SYM) ? yylval.l->id: yylval.i;
// fprintf(stderr, "L[%d %c]", lfd, lfd);
  LyxArrayBase* a = mathed_parse(FLAG_RIGHT);
  rgd=yylex();
// fprintf(stderr, "R[%d]", rgd);
  if (rgd==LM_TK_SYM || rgd==LM_TK_STR || rgd==LM_TK_BOP || rgd==LM_TK_SPECIAL)
    rgd = (rgd==LM_TK_SYM) ? yylval.l->id: yylval.i;
  MathDelimInset *dl = new MathDelimInset(lfd, rgd);
  dl->SetData(a);
  data.Insert(dl, LM_TC_ACTIVE_INSET);
// fprintf(stderr, "RL[%d %d]", lfd, rgd);
    break;
      }
    case LM_TK_RIGHT:
      {
  if (flags & FLAG_RIGHT) {
     plevel--;
     return array;
  } else {
     mathPrintError("Unmatched right delimiter");
//     panic = true;
  }
  break;
      }

    case LM_TK_FONT:
      {
  varcode = (MathedTextCodes)yylval.l->id;
   yy_mtextmode = (bool)(varcode==LM_TC_TEXTRM);
  flags |= (FLAG_BRACE|FLAG_BRACE_FONT);
break;
      }
    case LM_TK_WIDE:
      {
  MathDecorationInset *sq = new MathDecorationInset(yylval.l->id, size);
  sq->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
  data.Insert(sq, LM_TC_ACTIVE_INSET);
  break;
      }

    case LM_TK_ACCENT: setAccent(yylval.l->id); break;

    case LM_TK_NONUM:
      {
   if (crow)
     crow->setNumbered(false);
   break;
      }

    case LM_TK_PMOD:
    case LM_TK_FUNC:
      {
   MathedInset *bg = new MathFuncInset(yylval.l->name);
   if (accent) {
       data.Insert(t);
   } else
     data.Insert(bg);
   break;
      }
    case LM_TK_FUNCLIM:
      {
  data.Insert(new MathFuncInset(yylval.l->name, LM_OT_FUNCLIM));
  break;
      }
    case LM_TK_UNDEF:
      {

       MathMacro* p =
  MathMacroTable::mathMTable.getMacro(yylval.s);
       if (p) {
    if (accent)
      data.Insert(doAccent(p), p->getTCode());
    else
      data.Insert(p, p->getTCode());
    for (int i=0; p->setArgumentIdx(i); i++)
      p->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
       }
       else {
    MathedInset *q = new MathFuncInset(yylval.s, LM_OT_UNDEF);
    if (accent) {
     data.Insert(doAccent(q));
    } else {
        data.Insert(q);
    }
       }
  break;
      }
    case LM_TK_END:
      {
         if (mathed_env != yylval.i && yylval.i!=LM_EN_ARRAY)
    mathPrintError("Unmatched environment");
  // debug info [made that conditional -JMarc]
  if (lyxerr.debugging(Error::MATHED))
   fprintf(stderr, "[%d]\n", yylval.i);
  plevel--;
  if (mt) { // && (flags & FLAG_END)) {
     mt->SetData(array);
     array = NULL;
  }
  return array;
      }
    case LM_TK_BEGIN:
      {
  if (yylval.i==LM_EN_ARRAY) {
     char ar[120], ar2[8];
     ar[0] = ar2[0] = '\0';
            char rg=LexGetArg(0);
     if (rg==']') {
        strcpy(ar2, yytext);
        rg = LexGetArg('{');
     }
     strcpy(ar, yytext);
     int nc = parse_align(ar, ar2);
     MathParInset* mm = new MathMatrixInset(nc, 0);
     mm->SetAlign(ar2[0], ar);
            data.Insert(mm, LM_TC_ACTIVE_INSET);
            mathed_parse(FLAG_END, mm->GetData(), &mm);
  } else
  if (yylval.i>=LM_EN_INTEXT && yylval.i<=LM_EN_EQNARRAY) {
      if (plevel!=0) {
   mathPrintError("Misplaced environment");
   break;
      }
      if (!mt) {
   mathPrintError("NULL paragraph.");
   panic = true;
      }

      mathed_env = yylval.i;
      if (mathed_env>=LM_EN_DISPLAY) {
   size = LM_ST_DISPLAY;
   if (mathed_env>LM_EN_EQUATION) {
       mt = new MathMatrixInset(3, -1);
       mt->SetAlign(' ', "rcl");
       if (mtx) *mtx = mt;
       flags |= FLAG_END;
//      data.Insert(' ', LM_TC_TAB);
//      data.Insert(' ', LM_TC_TAB);
//      data.Reset();
   }
   mt->SetStyle(size);
   mt->SetType(mathed_env);
   crow = mt->getRowSt();
      }

#ifdef DEBUG
        fprintf(stderr, "MATH BEGIN[%d]\n", mathed_env);
#endif
  } else {
//      fprintf(stderr, "MATHCRO[%s]",yytext);
      MathMacro* p =
        MathMacroTable::mathMTable.getMacro(yytext);
      if (p) {
   data.Insert(p, p->getTCode());
   p->setArgumentIdx(0);
   mathed_parse(FLAG_END, p->GetData(), (MathParInset**)&p);
// for (int i=0; p->setArgumentIdx(i); i++)
//    p->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
      } else
        mathPrintError("Unrecognized environment");
  }
  break;
      }

    case LM_TK_MACRO:
     {
   MathedInset* p =
     MathMacroTable::mathMTable.getMacro(yylval.l->name);

   if (p) {
       if (accent) {
  data.Insert(doAccent(p));
       } else
  data.Insert(p, ((MathMacro*)p)->getTCode());
   }
   break;
      }

     case LM_TK_LABEL:
       {
   char rg = LexGetArg('\0', true);
   if (rg != '}') {
      mathPrintError("Expected '{'");
       // debug info
       fprintf(stderr, "[%s]\n", yytext); fflush(stderr);
       panic = true;
      break;
   }
   if (crow) {
       // This is removed by crow's destructor. Bad design? yes, this
       // will be changed after 0.12
       crow->setLabel(strnew(yytext));
   }
   else {
    // where is this math_label free'ed?
           // Supposedly in ~formula, another bad hack,
           // give me some time please.
    mathed_label = strnew(yytext);
   }
#ifdef DEBUG
   fprintf(stderr, "Label[%d]\n", mathed_label);
#endif
   break;
}
     default:
       mathPrintError("Unrecognized token");
       // debug info
       fprintf(stderr, "[%d %s]\n", t, yytext);
       break;
    }
    tprev = t;
    if (panic) {
       fprintf(stderr, " Math Panic, expect problems!\n");
       //   Search for the end command.
       do t = yylex (); while (t != LM_TK_END && t);
    } else
     t = yylex ();

   if ((flags & FLAG_BRACE_OPT)/* && t!='^' && t!='_'*/) {
        flags &= ~FLAG_BRACE_OPT;
       //data.Insert (LM_TC_CLOSE);
       break;
    }
   }
   plevel--;
   return array;
}

void mathed_parser_file(FILE* file, int lineno)
{
    yyin = file;
    yylineno = lineno;
    if (!MathMacroTable::built)
MathMacroTable::mathMTable.builtinMacros();
}

int mathed_parser_lineno()
{
    return yylineno;
}

¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.