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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
/******** Parameters **********/
#define MINNAME 1
/*************************/
static char* header =
"#ifndef %s\n\
#define %s\n\n\
/* generated by mkdefs; do not edit */\n\n";
static char* prefix =
"#define Y(i) (1<<(i))\n\
\n\
#define V 0x4 /* NODE */\n\
#define E 0x5 /* EDGE */\n\
#define G 0x6 /* GRAPH */\n\
#define O 0x7 /* OBJECT */\n\
#define TV 0x8 /* TV_ */\n\
#define YALL (Y(V)|Y(E)|Y(G))\n\
\n";
/*************************/
#define BSIZE 512
#define K_val 1
#define K_member 2
struct rec; typedef struct rec record;
struct rec {
record* next;
char* symbol;
char* name;
char* lex;
char* type;
char* domain;
char* range;
char* data;
int kind;
};
static int lineno;
static int tokno;
static record*
newRec (record* curr)
{
record* newr;
newr = (record*)malloc(sizeof(record));
if (!newr) {
fprintf (stderr, "mkdefs: out of memory, line %d\n", lineno);
exit(1);
}
curr->next = newr;
newr->next = 0;
return newr;
}
static void
genGuard (char* filename, char* guard)
{
char c;
while ((c = *filename++)) {
if (c == '.') *guard++ = '_';
else *guard++ = toupper (c);
}
*guard = '\0';
}
static char*
strTok (char* str)
{
char* tk;
tokno++;
tk = strtok (str, " \t\n");
return tk;
}
main (int argc, char* argv[])
{
char* filename;
char* buf;
char* tk;
record vals;
record* recp = &vals;
FILE* fp;
char guard[100];
int idx = MINNAME;
int lastval = 0;
int lastmem = 0;
if (argc != 2) {
fprintf (stderr, "mkdefs: 1 arguments necessary\n");
exit(1);
}
filename = argv[1];
vals.next = 0;
buf = malloc(BSIZE);
while (fgets (buf, BSIZE, stdin)) {
lineno++;
tokno = 0;
tk = strTok (buf);
if ((!tk) || (*tk == '#')) continue; /* comment */
recp = newRec (recp);
if (*tk == 'V')
recp->kind = K_val;
else if (*tk == 'M')
recp->kind = K_member;
else
recp->kind = 0;
recp->data = buf;
recp->symbol = tk;
recp->name = strTok (0);
recp->lex = strTok (0);
recp->type = strTok (0);
if (recp->kind) {
recp->domain = strTok (0);
recp->range = strTok (0);
}
buf = malloc(BSIZE);
}
fp = fopen (filename, "w");
if (!fp) {
fprintf (stderr, "mkdefs: Could not open %s for writing\n", filename);
exit(1);
}
genGuard (filename, guard);
fprintf (fp, header, guard, guard);
fputs (prefix, fp);
for (recp = vals.next; recp; recp = recp->next) {
if (recp->kind == K_val) lastval = idx;
else if (recp->kind == K_member) lastmem = idx;
fprintf (fp, "#define\t%s\t% 5d\n", recp->symbol, idx++);
}
idx--;
fprintf (fp, "\n#define LAST_V %d\n", lastval);
fprintf (fp, "#define LAST_M %d\n", lastmem);
fprintf (fp, "#define MINNAME %d\n#define MAXNAME %d\n\n", MINNAME, idx);
fprintf (fp, "static Exid_t symbols[] = {\n");
for (recp = vals.next; recp; recp = recp->next) {
fprintf (fp, "\tEXID ( %s, %s, %s, %s, 0),\n",
recp->name, recp->lex, recp->symbol, recp->type);
}
fprintf (fp, "\tEXID ( 0, 0, 0, 0, 0)\n};\n");
fprintf (fp, "\nstatic char* gprnames[] = {\n\t\"\",\n");
for (recp = vals.next; recp; recp = recp->next) {
fprintf (fp, "\t\"%s\",\n", recp->symbol);
}
fprintf (fp, "};\n");
fprintf (fp, "\ntypedef unsigned short tctype;\n");
fprintf (fp, "\nstatic tctype tchk[][2] = {\n\t{ 0, 0 },\n");
for (recp = vals.next; recp; recp = recp->next) {
if (recp->kind)
fprintf (fp, "\t{ %s, %s },\n", recp->domain, recp->range);
}
fprintf (fp, "};\n");
fprintf (fp, "\n#endif\n");
fclose (fp);
exit (0);
}
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