| 1 | #include "awk.h" |
| 2 | #define NULL 0 |
| 3 | struct xx |
| 4 | { int token; |
| 5 | char *name; |
| 6 | char *pname; |
| 7 | } proc[] = { |
| 8 | { PROGRAM, "program", NULL}, |
| 9 | { BOR, "boolop", " || "}, |
| 10 | { AND, "boolop", " && "}, |
| 11 | { NOT, "boolop", " !"}, |
| 12 | { NE, "relop", " != "}, |
| 13 | { EQ, "relop", " == "}, |
| 14 | { LE, "relop", " <= "}, |
| 15 | { LT, "relop", " < "}, |
| 16 | { GE, "relop", " >= "}, |
| 17 | { GT, "relop", " > "}, |
| 18 | { ARRAY, "array", NULL}, |
| 19 | { INDIRECT, "indirect", "$("}, |
| 20 | { SUBSTR, "substr", "substr"}, |
| 21 | { INDEX, "index", "index"}, |
| 22 | { SPRINTF, "asprintf", "sprintf "}, |
| 23 | { ADD, "arith", " + "}, |
| 24 | { MINUS, "arith", " - "}, |
| 25 | { MULT, "arith", " * "}, |
| 26 | { DIVIDE, "arith", " / "}, |
| 27 | { MOD, "arith", " % "}, |
| 28 | { UMINUS, "arith", " -"}, |
| 29 | { PREINCR, "incrdecr", "++"}, |
| 30 | { POSTINCR, "incrdecr", "++"}, |
| 31 | { PREDECR, "incrdecr", "--"}, |
| 32 | { POSTDECR, "incrdecr", "--"}, |
| 33 | { CAT, "cat", " "}, |
| 34 | { PASTAT, "pastat", NULL}, |
| 35 | { PASTAT2, "dopa2", NULL}, |
| 36 | { MATCH, "matchop", " ~ "}, |
| 37 | { NOTMATCH, "matchop", " !~ "}, |
| 38 | { PRINTF, "aprintf", "printf"}, |
| 39 | { PRINT, "print", "print"}, |
| 40 | { SPLIT, "split", "split"}, |
| 41 | { ASSIGN, "assign", " = "}, |
| 42 | { ADDEQ, "assign", " += "}, |
| 43 | { SUBEQ, "assign", " -= "}, |
| 44 | { MULTEQ, "assign", " *= "}, |
| 45 | { DIVEQ, "assign", " /= "}, |
| 46 | { MODEQ, "assign", " %= "}, |
| 47 | { IF, "ifstat", "if("}, |
| 48 | { WHILE, "whilestat", "while("}, |
| 49 | { FOR, "forstat", "for("}, |
| 50 | { IN, "instat", "instat"}, |
| 51 | { NEXT, "jump", "next"}, |
| 52 | { EXIT, "jump", "exit"}, |
| 53 | { BREAK, "jump", "break"}, |
| 54 | { CONTINUE, "jump", "continue"}, |
| 55 | { FNCN, "fncn", "fncn"}, |
| 56 | { 0, ""}, |
| 57 | }; |
| 58 | #define SIZE LASTTOKEN - FIRSTTOKEN |
| 59 | char *table[SIZE]; |
| 60 | char *names[SIZE]; |
| 61 | main() |
| 62 | { struct xx *p; |
| 63 | int i; |
| 64 | printf("#include \"awk.def\"\n"); |
| 65 | printf("obj nullproc();\n"); |
| 66 | for(p=proc;p->token!=0;p++) |
| 67 | if(p==proc || strcmp(p->name, (p-1)->name)) |
| 68 | printf("extern obj %s();\n",p->name); |
| 69 | for(p=proc;p->token!=0;p++) |
| 70 | table[p->token-FIRSTTOKEN]=p->name; |
| 71 | printf("obj (*proctab[%d])() = {\n", SIZE); |
| 72 | for(i=0;i<SIZE;i++) |
| 73 | if(table[i]==0) printf("/*%s*/\tnullproc,\n",tokname(i+FIRSTTOKEN)); |
| 74 | else printf("/*%s*/\t%s,\n",tokname(i+FIRSTTOKEN),table[i]); |
| 75 | printf("};\n"); |
| 76 | printf("char *printname[%d] = {\n", SIZE); |
| 77 | for(p=proc; p->token!=0; p++) |
| 78 | names[p->token-FIRSTTOKEN] = p->pname; |
| 79 | for(i=0; i<SIZE; i++) |
| 80 | printf("/*%s*/\t\"%s\",\n",tokname(i+FIRSTTOKEN),names[i]); |
| 81 | printf("};\n"); |
| 82 | } |