pike.git/ src/ lex.c

1995-11-12

1995-11-12 20:48:00 by Fredrik Hübinette (Hubbe) <hubbe@hubbe.net>

• 3c4bc7b1da83fbc7e1c48de22aa5d17b6f77ba20 (33 lines) (+18/-15) ^{[ Show | Annotate ]}
  Branch: branches/E-12

character 255 now works in strings (and is not interpreted as EOF)

Rev: src/lex.c:1.4

354:    void (*ungetstr)(char *,INT32);   };    + #define MY_EOF 4711 +    struct inputstate *istate=NULL;      static void link_inputstate(struct inputstate *i)
426:    return i;   }    - /*** EOF input ***/ - static int end_getc() { return EOF; } - static int end_gobble(int c) { return c==EOF; } + /*** end of file input ***/ + static int end_getc() { return MY_EOF; } + static int end_gobble(int c) { return c==MY_EOF; }   static void end_ungetc(int c)   { -  if(c==EOF) return; +  if(c==MY_EOF) return;    default_ungetc(c);   }   
633:      #define LOOK() (istate->look())   #define SKIPWHITE() { int c; while(isspace(c=GETC())); UNGETC(c); } - #define SKIPTO(X) { int c; while((c=GETC())!=(X) && (c!=EOF)); } - #define SKIPUPTO(X) { int c; while((c=GETC())!=(X) && (c!=EOF)); UNGETC(c); } + #define SKIPTO(X) { int c; while((c=GETC())!=(X) && (c!=MY_EOF)); } + #define SKIPUPTO(X) { int c; while((c=GETC())!=(X) && (c!=MY_EOF)); UNGETC(c); }   #define READBUF(X) { \    register unsigned INT32 p; \    register int C; \ -  for(p=0;(C=GETC())!=EOF && p<sizeof(buf) && (X);p++) \ +  for(p=0;(C=GETC())!=MY_EOF && p<sizeof(buf) && (X);p++) \    buf[p]=C; \    if(p==sizeof(buf)) { \    yyerror("Internal buffer overflow.\n"); p--; \
791:    {    c=GETC();    if(c=='\\') if(GOBBLE('\n')) continue; -  if( (t!=!!isidchar(c) && argc>0) || c=='\n' || c==EOF) +  if( (t!=!!isidchar(c) && argc>0) || c=='\n' || c==MY_EOF)    {    s2=free_buf();    for(e=0;e<argc;e++)
808:    push_string(s2);    if(sp[-2].type==T_STRING) f_add();    } -  if(c=='\n' || c==EOF) +  if(c=='\n' || c==MY_EOF)    {    push_string(make_shared_string(" "));    if(sp[-2].type==T_STRING) f_add();
867:    {    switch(c=GETC())    { -  case EOF: +  case MY_EOF:    yyerror("Unexpected end of file.");    while(sp>save_sp) pop_stack();    return 0;
1025:    }    continue;    -  case EOF: +  case MY_EOF:    yyerror("Unexpected end of file while skipping.");    return;   
1310:    case '\t':    continue;    -  case EOF: +  case MY_EOF:    return 0;       case '\'':    c=GETC();    if(c=='\\') c=char_const();    if(GETC()!='\'') -  yyerror("Unterminated character constant.\n"); +  yyerror("Unterminated character constant.");    yylval->number=c;    return F_NUMBER;   
1329:       switch(c)    { -  case -1: -  yyerror("End of file in string.\n"); +  case MY_EOF: +  yyerror("End of file in string.");    free(simple_free_buf());    return 0;