mirror of
https://github.com/GnoConsortium/gno.git
synced 2024-08-26 20:28:58 +00:00
169 lines
5.0 KiB
C
169 lines
5.0 KiB
C
|
/****************************************************************
|
||
|
Copyright (C) Lucent Technologies 1997
|
||
|
All Rights Reserved
|
||
|
|
||
|
Permission to use, copy, modify, and distribute this software and
|
||
|
its documentation for any purpose and without fee is hereby
|
||
|
granted, provided that the above copyright notice appear in all
|
||
|
copies and that both that the copyright notice and this
|
||
|
permission notice and warranty disclaimer appear in supporting
|
||
|
documentation, and that the name Lucent Technologies or any of
|
||
|
its entities not be used in advertising or publicity pertaining
|
||
|
to distribution of the software without specific, written prior
|
||
|
permission.
|
||
|
|
||
|
LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||
|
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
|
||
|
IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
|
||
|
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
|
||
|
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
||
|
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
|
||
|
THIS SOFTWARE.
|
||
|
****************************************************************/
|
||
|
|
||
|
/*
|
||
|
* this program makes the table to link function names
|
||
|
* and type indices that is used by execute() in run.c.
|
||
|
* it finds the indices in ytab.h, produced by yacc.
|
||
|
*/
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <string.h>
|
||
|
#include <stdlib.h>
|
||
|
#include "awk.h"
|
||
|
#include "ytab.h"
|
||
|
|
||
|
struct xx
|
||
|
{ int token;
|
||
|
char *name;
|
||
|
char *pname;
|
||
|
} proc[] = {
|
||
|
{ PROGRAM, "program", NULL },
|
||
|
{ BOR, "boolop", " || " },
|
||
|
{ AND, "boolop", " && " },
|
||
|
{ NOT, "boolop", " !" },
|
||
|
{ NE, "relop", " != " },
|
||
|
{ EQ, "relop", " == " },
|
||
|
{ LE, "relop", " <= " },
|
||
|
{ LT, "relop", " < " },
|
||
|
{ GE, "relop", " >= " },
|
||
|
{ GT, "relop", " > " },
|
||
|
{ ARRAY, "array", NULL },
|
||
|
{ INDIRECT, "indirect", "$(" },
|
||
|
{ SUBSTR, "substr", "substr" },
|
||
|
{ SUB, "sub", "sub" },
|
||
|
{ GSUB, "gsub", "gsub" },
|
||
|
{ INDEX, "sindex", "sindex" },
|
||
|
{ SPRINTF, "awksprintf", "sprintf " },
|
||
|
{ ADD, "arith", " + " },
|
||
|
{ MINUS, "arith", " - " },
|
||
|
{ MULT, "arith", " * " },
|
||
|
{ DIVIDE, "arith", " / " },
|
||
|
{ MOD, "arith", " % " },
|
||
|
{ UMINUS, "arith", " -" },
|
||
|
{ POWER, "arith", " **" },
|
||
|
{ PREINCR, "incrdecr", "++" },
|
||
|
{ POSTINCR, "incrdecr", "++" },
|
||
|
{ PREDECR, "incrdecr", "--" },
|
||
|
{ POSTDECR, "incrdecr", "--" },
|
||
|
{ CAT, "cat", " " },
|
||
|
{ PASTAT, "pastat", NULL },
|
||
|
{ PASTAT2, "dopa2", NULL },
|
||
|
{ MATCH, "matchop", " ~ " },
|
||
|
{ NOTMATCH, "matchop", " !~ " },
|
||
|
{ MATCHFCN, "matchop", "matchop" },
|
||
|
{ INTEST, "intest", "intest" },
|
||
|
{ PRINTF, "awkprintf", "printf" },
|
||
|
{ PRINT, "printstat", "print" },
|
||
|
{ CLOSE, "closefile", "closefile" },
|
||
|
{ DELETE, "adelete", "adelete" },
|
||
|
{ SPLIT, "split", "split" },
|
||
|
{ ASSIGN, "assign", " = " },
|
||
|
{ ADDEQ, "assign", " += " },
|
||
|
{ SUBEQ, "assign", " -= " },
|
||
|
{ MULTEQ, "assign", " *= " },
|
||
|
{ DIVEQ, "assign", " /= " },
|
||
|
{ MODEQ, "assign", " %= " },
|
||
|
{ POWEQ, "assign", " ^= " },
|
||
|
{ CONDEXPR, "condexpr", " ?: " },
|
||
|
{ IF, "ifstat", "if(" },
|
||
|
{ WHILE, "whilestat", "while(" },
|
||
|
{ FOR, "forstat", "for(" },
|
||
|
{ DO, "dostat", "do" },
|
||
|
{ IN, "instat", "instat" },
|
||
|
{ NEXT, "jump", "next" },
|
||
|
{ NEXTFILE, "jump", "nextfile" },
|
||
|
{ EXIT, "jump", "exit" },
|
||
|
{ BREAK, "jump", "break" },
|
||
|
{ CONTINUE, "jump", "continue" },
|
||
|
{ RETURN, "jump", "ret" },
|
||
|
{ BLTIN, "bltin", "bltin" },
|
||
|
{ CALL, "call", "call" },
|
||
|
{ ARG, "arg", "arg" },
|
||
|
{ VARNF, "getnf", "NF" },
|
||
|
{ GETLINE, "getline", "getline" },
|
||
|
{ 0, "", "" },
|
||
|
};
|
||
|
|
||
|
#define SIZE (LASTTOKEN - FIRSTTOKEN + 1)
|
||
|
char *table[SIZE];
|
||
|
char *names[SIZE];
|
||
|
|
||
|
int main(int argc, char *argv[])
|
||
|
{
|
||
|
struct xx *p;
|
||
|
int i, n, tok;
|
||
|
char c;
|
||
|
FILE *fp;
|
||
|
char buf[200], name[200], def[200];
|
||
|
|
||
|
printf("#include <stdio.h>\n");
|
||
|
printf("#include \"awk.h\"\n");
|
||
|
printf("#include \"ytab.h\"\n\n");
|
||
|
for (i = SIZE; --i >= 0; )
|
||
|
names[i] = "";
|
||
|
|
||
|
if ((fp = fopen("ytab.h", "r")) == NULL) {
|
||
|
fprintf(stderr, "maketab can't open ytab.h!\n");
|
||
|
exit(1);
|
||
|
}
|
||
|
printf("static char *printname[%d] = {\n", SIZE);
|
||
|
i = 0;
|
||
|
while (fgets(buf, sizeof buf, fp) != NULL) {
|
||
|
n = sscanf(buf, "%1c %s %s %d", &c, def, name, &tok);
|
||
|
if (c != '#' || (n != 4 && strcmp(def,"define") != 0)) /* not a valid #define */
|
||
|
continue;
|
||
|
if (tok < FIRSTTOKEN || tok > LASTTOKEN) {
|
||
|
fprintf(stderr, "maketab funny token %d %s\n", tok, buf);
|
||
|
exit(1);
|
||
|
}
|
||
|
names[tok-FIRSTTOKEN] = (char *) malloc(strlen(name)+1);
|
||
|
strcpy(names[tok-FIRSTTOKEN], name);
|
||
|
printf("\t(char *) \"%s\",\t/* %d */\n", name, tok);
|
||
|
i++;
|
||
|
}
|
||
|
printf("};\n\n");
|
||
|
|
||
|
for (p=proc; p->token!=0; p++)
|
||
|
table[p->token-FIRSTTOKEN] = p->name;
|
||
|
printf("\nCell *(*proctab[%d])(Node **, int) = {\n", SIZE);
|
||
|
for (i=0; i<SIZE; i++)
|
||
|
if (table[i]==0)
|
||
|
printf("\tnullproc,\t/* %s */\n", names[i]);
|
||
|
else
|
||
|
printf("\t%s,\t/* %s */\n", table[i], names[i]);
|
||
|
printf("};\n\n");
|
||
|
|
||
|
printf("char *tokname(int n)\n"); /* print a tokname() function */
|
||
|
printf("{\n");
|
||
|
printf(" static char buf[100];\n\n");
|
||
|
printf(" if (n < FIRSTTOKEN || n > LASTTOKEN) {\n");
|
||
|
printf(" sprintf(buf, \"token %%d\", n);\n");
|
||
|
printf(" return buf;\n");
|
||
|
printf(" }\n");
|
||
|
printf(" return printname[n-FIRSTTOKEN];\n");
|
||
|
printf("}\n");
|
||
|
return 0;
|
||
|
}
|