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/*
* tmem.c -- memory initialization and allocation for the translator.
*/
#include "../h/gsupport.h"
#include "tproto.h"
#include "tglobals.h"
#include "tsym.h"
#include "tree.h"
struct tlentry **lhash; /* hash area for local table */
struct tgentry **ghash; /* hash area for global table */
struct tcentry **chash; /* hash area for constant table */
struct tlentry *lfirst; /* first local table entry */
struct tlentry *llast; /* last local table entry */
struct tcentry *cfirst; /* first constant table entry */
struct tcentry *clast; /* last constant table entry */
struct tgentry *gfirst; /* first global table entry */
struct tgentry *glast; /* last global table entry */
extern struct str_buf lex_sbuf;
/*
* tmalloc - allocate memory for the translator
*/
void tmalloc()
{
chash = (struct tcentry **) tcalloc(lchsize, sizeof (struct tcentry *));
ghash = (struct tgentry **) tcalloc(ghsize, sizeof (struct tgentry *));
lhash = (struct tlentry **) tcalloc(lhsize, sizeof (struct tlentry *));
init_str();
init_sbuf(&lex_sbuf);
}
/*
* meminit - clear tables for use in translating the next file
*/
void tminit()
{
register struct tlentry **lp;
register struct tgentry **gp;
register struct tcentry **cp;
lfirst = NULL;
llast = NULL;
cfirst = NULL;
clast = NULL;
gfirst = NULL;
glast = NULL;
/*
* Zero out the hash tables.
*/
for (lp = lhash; lp < &lhash[lhsize]; lp++)
*lp = NULL;
for (gp = ghash; gp < &ghash[ghsize]; gp++)
*gp = NULL;
for (cp = chash; cp < &chash[lchsize]; cp++)
*cp = NULL;
}
/*
* tmfree - free memory used by the translator
*/
void tmfree()
{
free((char *) chash); chash = NULL;
free((char *) ghash); ghash = NULL;
free((char *) lhash); lhash = NULL;
free_stbl(); /* free string table */
clear_sbuf(&lex_sbuf); /* free buffer store for strings */
}
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