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1.1 ! root 1: A [a-z_A-Z] ! 2: M [a-z_A-Z0-9] ! 3: int skipping; ! 4: %% ! 5: "/*" {skipping = 1;} ! 6: "*/" {skipping = 0;} ! 7: "%" {extern int brkcount; ! 8: if (! skipping) ! 9: if (++brkcount == 2) ! 10: return(0); /* end-of-file */ ! 11: else ! 12: return(DEFBRK); ! 13: } ! 14: ":" {if (! skipping) return(COLON);} ! 15: 0[0-9]* {if (! skipping) return(OCTAL);} ! 16: [1-9][0-9]+ {if (! skipping) return(INTEGER);} ! 17: is {if (! skipping) return(IS);} ! 18: on {if (! skipping) return(ON);} ! 19: "=" ; ! 20: "iint" {if (! skipping) return(IINT);} ! 21: "-iint" {if (! skipping) return(IINT);} ! 22: "oint" {if (! skipping) return(OINT);} ! 23: "-oint" {if (! skipping) return(OINT);} ! 24: "-csr" {if (! skipping) return(CSR);} ! 25: "csr" {if (! skipping) return(CSR);} ! 26: "-ivec" {if (! skipping) return(IVEC);} ! 27: "ivec" {if (! skipping) return(IVEC);} ! 28: "-ovec" {if (! skipping) return(OVEC);} ! 29: "ovec" {if (! skipping) return(OVEC);} ! 30: "-i" {if (! skipping) return(INIT);} ! 31: "i" {if (! skipping) return(INIT);} ! 32: "-o" {if (! skipping) return(OPEN);} ! 33: "o" {if (! skipping) return(OPEN);} ! 34: "-c" {if (! skipping) return(CLOSE);} ! 35: "c" {if (! skipping) return(CLOSE);} ! 36: "-r" {if (! skipping) return(READ);} ! 37: "r" {if (! skipping) return(READ);} ! 38: "-g" {if (! skipping) return(GETC);} ! 39: "g" {if (! skipping) return(GETC);} ! 40: "-p" {if (! skipping) return(PUTC);} ! 41: "p" {if (! skipping) return(PUTC);} ! 42: "-w" {if (! skipping) return(WRITE);} ! 43: "w" {if (! skipping) return(WRITE);} ! 44: "-s" {if (! skipping) return(SEEK);} ! 45: "s" {if (! skipping) return(SEEK);} ! 46: "-n" {if (! skipping) return(CNTL);} ! 47: "n" {if (! skipping) return(CNTL);} ! 48: [ \t]+ ; ! 49: "\n" {extern int linectr; ! 50: linectr++; ! 51: } ! 52: {A}{M}* {if (! skipping) return(IDENT);} ! 53: . {if (! skipping) return(yytext[0]);}
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