err.h

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#else

int
#ifdef __USE_PROTOS
_zzmatch(int _t, char **zzBadText, char **zzMissText,
		int *zzMissTok, int *zzBadTok,
		SetWordType **zzMissSet)
#else
_zzmatch(_t, zzBadText, zzMissText, zzMissTok, zzBadTok, zzMissSet)
int _t;
char **zzBadText;
char **zzMissText;
int *zzMissTok, *zzBadTok;
SetWordType **zzMissSet;
#endif
{
	if ( LA(1)!=_t ) {				
		*zzBadText = *zzMissText=LATEXT(1);	
		*zzMissTok= _t; *zzBadTok=LA(1);
		*zzMissSet=NULL;				
		return 0;
	}
	zzMakeAttr
	return 1;
}

int
#ifdef __USE_PROTOS
_zzmatch_wsig(int _t)
#else
_zzmatch_wsig(_t)
int _t;
#endif
{
	if ( LA(1)!=_t ) return 0;
	zzMakeAttr						
	return 1;
}

#endif /*DEMAND_LOOK*/

#ifdef ZZINF_LOOK
void
#ifdef __USE_PROTOS
_inf_zzgettok(void)
#else
_inf_zzgettok()
#endif
{
	if ( zzinf_labase >= zzinf_last )					
		{NLA = zzEOF_TOKEN; strcpy(NLATEXT, "");}	
	else {											
		NLA = zzinf_tokens[zzinf_labase];
		zzline = zzinf_line[zzinf_labase];	/* wrong in 1.21 */
		strcpy(NLATEXT, zzinf_text[zzinf_labase]);		
		zzinf_labase++; 								
	}												
}
#endif

#ifdef ZZINF_LOOK
/* allocate default size text,token and line arrays;
 * then, read all of the input reallocing the arrays as needed.
 * Once the number of total tokens is known, the LATEXT(i) array (zzinf_text)
 * is allocated and it's pointers are set to the tokens in zzinf_text_buffer.
 */
void
#ifdef __USE_PROTOS
zzfill_inf_look(void)
#else
zzfill_inf_look()
#endif
{
	int tok, line;
	int zzinf_token_buffer_size = ZZINF_DEF_TOKEN_BUFFER_SIZE;
	int zzinf_text_buffer_size = ZZINF_DEF_TEXT_BUFFER_SIZE;
	int zzinf_text_buffer_index = 0;
	int zzinf_lap = 0;

	/* allocate text/token buffers */
	zzinf_text_buffer = (char *) malloc(zzinf_text_buffer_size);
	if ( zzinf_text_buffer == NULL )
	{
		fprintf(stderr, "cannot allocate lookahead text buffer (%d bytes)\n",
		zzinf_text_buffer_size);
		exit(PCCTS_EXIT_FAILURE);									
	}
	zzinf_tokens = (int *) calloc(zzinf_token_buffer_size,sizeof(int));
	if ( zzinf_tokens == NULL )
	{
		fprintf(stderr,	"cannot allocate token buffer (%d tokens)\n",
				zzinf_token_buffer_size);
		exit(PCCTS_EXIT_FAILURE);									
	}
    zzinf_line = (int *) calloc(zzinf_token_buffer_size,sizeof(int));
    if ( zzinf_line == NULL )
    {
        fprintf(stderr, "cannot allocate line buffer (%d ints)\n",
                zzinf_token_buffer_size);
        exit(PCCTS_EXIT_FAILURE);
	}

	/* get tokens, copying text to text buffer */
	zzinf_text_buffer_index = 0;
	do {
		zzgettok();
		line = zzreal_line;
		while ( zzinf_lap>=zzinf_token_buffer_size )
		{
			zzinf_token_buffer_size += ZZINF_BUFFER_TOKEN_CHUNK_SIZE;
			zzinf_tokens = (int *) realloc(zzinf_tokens,
												 zzinf_token_buffer_size*sizeof(int));
			if ( zzinf_tokens == NULL )
			{
				fprintf(stderr, "cannot allocate lookahead token buffer (%d tokens)\n",
						zzinf_token_buffer_size);
				exit(PCCTS_EXIT_FAILURE);
			}
            zzinf_line = (int *) realloc(zzinf_line,
                                         zzinf_token_buffer_size*sizeof(int));
            if ( zzinf_line == NULL )
            {
                fprintf(stderr, "cannot allocate lookahead line buffer (%d ints)\n",
                        zzinf_token_buffer_size);
                exit(PCCTS_EXIT_FAILURE);
			}

		}
		while ( (zzinf_text_buffer_index+strlen(NLATEXT)+1) >= zzinf_text_buffer_size )
		{
			zzinf_text_buffer_size += ZZINF_BUFFER_TEXT_CHUNK_SIZE;
			zzinf_text_buffer = (char *) realloc(zzinf_text_buffer,
												 zzinf_text_buffer_size);
			if ( zzinf_text_buffer == NULL )
			{
				fprintf(stderr,	"cannot allocate lookahead text buffer (%d bytes)\n",
						zzinf_text_buffer_size);
				exit(PCCTS_EXIT_FAILURE);
			}
		}
		/* record token and text and line of input symbol */
		tok = zzinf_tokens[zzinf_lap] = NLA;
		strcpy(&zzinf_text_buffer[zzinf_text_buffer_index], NLATEXT);
		zzinf_text_buffer_index += strlen(NLATEXT)+1;
        zzinf_line[zzinf_lap] = line;
		zzinf_lap++;
	} while (tok!=zzEOF_TOKEN);
	zzinf_labase = 0;
	zzinf_last = zzinf_lap-1;

	/* allocate ptrs to text of ith token */
	zzinf_text = (char **) calloc(zzinf_last+1,sizeof(char *));
	if ( zzinf_text == NULL )
	{
		fprintf(stderr,	"cannot allocate lookahead text buffer (%d)\n",
				zzinf_text_buffer_size);
		exit(PCCTS_EXIT_FAILURE);										
	}													
	zzinf_text_buffer_index = 0;
	zzinf_lap = 0;
	/* set ptrs so that zzinf_text[i] is the text of the ith token found on input */
	while (zzinf_lap<=zzinf_last)
	{
	    zzinf_text[zzinf_lap++] = &zzinf_text_buffer[zzinf_text_buffer_index];
		zzinf_text_buffer_index += strlen(&zzinf_text_buffer[zzinf_text_buffer_index])+1;
	}
}
#endif

int
#ifdef __USE_PROTOS
_zzsetmatch(SetWordType *e, char **zzBadText, char **zzMissText,
			int *zzMissTok, int *zzBadTok,
			SetWordType **zzMissSet,
			SetWordType *zzTokclassErrset /* MR23 */)
#else
_zzsetmatch(e, zzBadText, zzMissText, zzMissTok, zzBadTok, zzMissSet, zzTokclassErrset /* MR23 */)
SetWordType *e;
char **zzBadText;
char **zzMissText;
int *zzMissTok, *zzBadTok;
SetWordType **zzMissSet;
SetWordType *zzTokclassErrset;
#endif
{
#ifdef DEMAND_LOOK
#ifdef LL_K
	if ( zzdirty==LL_K ) {zzCONSUME;}
#else
	if ( zzdirty ) {zzCONSUME;}
#endif
#endif
	if ( !zzset_el((unsigned)LA(1), e) ) {
		*zzBadText = LATEXT(1); *zzMissText=NULL;
		*zzMissTok= 0; *zzBadTok=LA(1);
		*zzMissSet=zzTokclassErrset; /* MR23 */
		return 0;
	}
	zzMakeAttr           /* MR14 Ger Hobbelt (hobbelt@axa.nl) */
#ifdef DEMAND_LOOK
#ifdef LL_K
	zzdirty++;
    zzlabase++;          /* MR14 Ger Hobbelt (hobbelt@axa.nl) */
#else
	zzdirty = 1;
#endif
#endif
	return 1;
}

int
#ifdef __USE_PROTOS
_zzmatch_wdfltsig(int tokenWanted, SetWordType *whatFollows)
#else
_zzmatch_wdfltsig(tokenWanted, whatFollows)
int tokenWanted;
SetWordType *whatFollows;
#endif
{
#ifdef DEMAND_LOOK
#ifdef LL_K
	if ( zzdirty==LL_K ) {
			zzCONSUME;
	}
#else
	if ( zzdirty ) {zzCONSUME;}
#endif
#endif

	if ( LA(1)!=tokenWanted )
	{
        zzSyntaxErrCount++;     /* MR11 */
		fprintf(stderr,
				"line %d: syntax error at \"%s\" missing %s\n",
				zzline,
				(LA(1)==zzEOF_TOKEN)?"<eof>":(char *)LATEXT(1),
				zztokens[tokenWanted]);
		zzconsumeUntil( whatFollows );
		return 0;
	}
	else {
		zzMakeAttr						
#ifdef DEMAND_LOOK
#ifdef LL_K
		zzdirty++;
		zzlabase++;
#else
		zzdirty = 1;
#endif
#else
/*		zzCONSUME;		 consume if not demand lookahead */
#endif
		return 1;
	}
}

int
#ifdef __USE_PROTOS
_zzsetmatch_wdfltsig(SetWordType *tokensWanted,
					 int tokenTypeOfSet,
					 SetWordType *whatFollows)
#else
_zzsetmatch_wdfltsig(tokensWanted, tokenTypeOfSet, whatFollows)
SetWordType *tokensWanted;
int tokenTypeOfSet;
SetWordType *whatFollows;
#endif
{
#ifdef DEMAND_LOOK
#ifdef LL_K
	if ( zzdirty==LL_K ) {zzCONSUME;}
#else
	if ( zzdirty ) {zzCONSUME;}
#endif
#endif
	if ( !zzset_el((unsigned)LA(1), tokensWanted) )
	{
        zzSyntaxErrCount++;     /* MR11 */
		fprintf(stderr,
				"line %d: syntax error at \"%s\" missing %s\n",
				zzline,
				(LA(1)==zzEOF_TOKEN)?"<eof>":(char *)LATEXT(1),
				zztokens[tokenTypeOfSet]);
		zzconsumeUntil( whatFollows );
		return 0;
	}
	else {
		zzMakeAttr
#ifdef DEMAND_LOOK
#ifdef LL_K
		zzdirty++;
		zzlabase++;
#else
		zzdirty = 1;
#endif
#else
/*		zzCONSUME;		consume if not demand lookahead */
#endif
		return 1;
	}
}

int
#ifdef __USE_PROTOS
_zzsetmatch_wsig(SetWordType *e)
#else
_zzsetmatch_wsig(e)
SetWordType *e;
#endif
{
#ifdef DEMAND_LOOK
#ifdef LL_K
	if ( zzdirty==LL_K ) {zzCONSUME;}
#else
	if ( zzdirty ) {zzCONSUME;}
#endif
#endif
	if ( !zzset_el((unsigned)LA(1), e) ) return 0;
	zzMakeAttr           /* MR14 Ger Hobbelt (hobbelt@axa.nl) */
#ifdef DEMAND_LOOK
#ifdef LL_K
	zzdirty++;
    zzlabase++;          /* MR14 Ger Hobbelt (hobbelt@axa.nl) */
#else
	zzdirty = 1;
#endif
#endif
	return 1;
}

#ifdef USER_ZZMODE_STACK
static int  zzmstk[ZZMAXSTK] = { -1 };
static int  zzmdep = 0;
static char zzmbuf[70];

void
#ifdef __USE_PROTOS
zzmpush( int m )
#else
zzmpush( m )
int m;
#endif
{
   if(zzmdep == ZZMAXSTK - 1) {
     sprintf(zzmbuf, "Mode stack overflow ");
     zzerr(zzmbuf);
   } else {
     zzmstk[zzmdep++] = zzauto;
     zzmode(m);
   }
}

void
#ifdef __USE_PROTOS
zzmpop( void )
#else
zzmpop( )
#endif
{
   if(zzmdep == 0)
   {  sprintf(zzmbuf, "Mode stack underflow ");
      zzerr(zzmbuf);
   }
   else
   {  zzmdep--;
      zzmode(zzmstk[zzmdep]);
   }
}

void
#ifdef __USE_PROTOS
zzsave_mode_stack( int modeStack[], int *modeLevel )
#else
zzsave_mode_stack( modeStack, modeLevel )
int modeStack[];
int *modeLevel;
#endif
{
  int i;
  memcpy(modeStack, zzmstk, sizeof(zzmstk));
  *modeLevel = zzmdep;
  zzmdep = 0;

  return;
}

void
#ifdef __USE_PROTOS
zzrestore_mode_stack( int modeStack[], int *modeLevel )
#else
zzrestore_mode_stack( modeStack, modeLevel )
int modeStack[];
int *modeLevel;
#endif
{
  int i;

  memcpy(zzmstk, modeStack, sizeof(zzmstk));
  zzmdep = *modeLevel;

  return;
}
#endif /* USER_ZZMODE_STACK */

#ifdef __USE_PROTOS
void zzTraceReset(void)
#else
void zzTraceReset()
#endif
{
#ifdef zzTRACE_RULES
  zzTraceOptionValue=zzTraceOptionValueDefault;
  zzTraceGuessOptionValue=1;
  zzTraceCurrentRuleName=NULL;
  zzTraceDepth=0;
#endif
}

#ifdef __USE_PROTOS
void zzTraceGuessFail(void)
#else
void zzTraceGuessFail()
#endif
{

#ifdef zzTRACE_RULES
#ifdef ZZCAN_GUESS

  int   doIt=0;

  if (zzTraceOptionValue <= 0) {
    doIt=0;
  } else if (zzguessing && zzTraceGuessOptionValue <= 0) {
    doIt=0;
  } else {
    doIt=1;
  };

  if (doIt) {
    fprintf(stderr,"guess failed\n");
  };
#endif
#endif
}

/* zzTraceOption:
     zero value turns off trace
*/

#ifdef __USE_PROTOS
void zzTraceIn(char * rule)
#else
void zzTraceIn(rule)
  char  *rule;
#endif
{
#ifdef zzTRACE_RULES

  int           doIt=0;

  zzTraceDepth++;
  zzTraceCurrentRuleName=rule;

  if (zzTraceOptionValue <= 0) {
    doIt=0;
#ifdef ZZCAN_GUESS
  } else if (zzguessing && zzTraceGuessOptionValue <= 0) {
    doIt=0;
#endif
  } else {
    doIt=1;
  };

  if (doIt) {
    fprintf(stderr,"enter rule %s {\"%s\"} depth %d",
            rule,
            LA(1)==1 ? "@" : (char *) LATEXT(1),    /* MR19 */
            zzTraceDepth);
#ifdef ZZCAN_GUESS
    if (zzguessing) fprintf(stderr," guessing");
#endif
    fprintf(stderr,"\n");
  };
#endif
  return;
}

#ifdef __USE_PROTOS
void zzTraceOut(char * rule)
#else
void zzTraceOut(rule)
  char  *rule;
#endif
{
#ifdef zzTRACE_RULES
  int       doIt=0;

  zzTraceDepth--;

  if (zzTraceOptionValue <= 0) {
    doIt=0;
#ifdef ZZCAN_GUESS
  } else if (zzguessing && zzTraceGuessOptionValue <= 0) {
    doIt=0;
#endif
  } else {
    doIt=1;
  };

  if (doIt) {
    fprintf(stderr,"exit rule %s {\"%s\"} depth %d",
            rule,
            LA(1)==1 ? "@" : (char *) LATEXT(1), /* MR19 */
            zzTraceDepth+1);
#ifdef ZZCAN_GUESS
    if (zzguessing) fprintf(stderr," guessing");
#endif
    fprintf(stderr,"\n");
  };
#endif
}

#ifdef __USE_PROTOS
int zzTraceOption(int delta)
#else
int zzTraceOption(delta)
  int   delta;
#endif
{
#ifdef zzTRACE_RULES
    int     prevValue=zzTraceOptionValue;

    zzTraceOptionValue=zzTraceOptionValue+delta;

    if (zzTraceCurrentRuleName != NULL) {
      if (prevValue <= 0 && zzTraceOptionValue > 0) {
        fprintf(stderr,"trace enabled in rule %s depth %d\n",
                                            zzTraceCurrentRuleName,zzTraceDepth);
      };
      if (prevValue > 0 && zzTraceOptionValue <= 0) {
        fprintf(stderr,"trace disabled in rule %s depth %d\n",
                                            zzTraceCurrentRuleName,zzTraceDepth);
      };
    };
    return  prevValue;
#else
    return 0;
#endif
}

#ifdef __USE_PROTOS
int zzTraceGuessOption(int delta)
#else
int zzTraceGuessOption(delta)
  int   delta;
#endif
{
#ifdef zzTRACE_RULES
#ifdef ZZCAN_GUESS
    int     prevValue=zzTraceGuessOptionValue;

    zzTraceGuessOptionValue=zzTraceGuessOptionValue+delta;

    if (zzTraceCurrentRuleName != NULL) {
      if (prevValue <= 0 && zzTraceGuessOptionValue > 0) {
        fprintf(stderr,"guess trace enabled in rule %s depth %d\n",
                                                zzTraceCurrentRuleName,zzTraceDepth);
      };
      if (prevValue > 0 && zzTraceGuessOptionValue <= 0) {
        fprintf(stderr,"guess trace disabled in rule %s depth %d\n",
                                                zzTraceCurrentRuleName,zzTraceDepth);
      };
    };
    return prevValue;
#else
    return 0;
#endif
#else
    return 0;
#endif
}

#endif /* ERR_H */
12

err.h - 源码说明

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