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#include "warn.h"
#include "cgen.h"
#include "parse.h"
#include "prv.h"
#include "stmt.h"
#include "storage.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
static int finalize(const struct lex *l, const struct prv *p,
const struct print *pr)
{
const struct ast *ast = p->ast;
struct fn *fn = &ast->fns[ast->nfns - 1];
size_t n = fn->nstmts + 1;
struct stmt *stmts = realloc(fn->stmts, n * sizeof *stmts);
if (!stmts)
{
perror("realloc(3)");
return -1;
}
fn->stmts = stmts;
fn->stmts[fn->nstmts++] = (struct stmt)
{
.type = WARN,
.u.warn.p = *pr
};
fprintf(stderr, "\t\tadding warn statement with %zu entries%s\n",
pr->nentries, pr->println ? "" : ", no lf");
return 0;
}
static int cg_val(const struct tk *tk)
{
const char *num = tk->s;
int neg = *num == '-';
unsigned long long uv;
char *end;
fputs("call $printf(l $____fmt", stdout);
errno = 0;
uv = strtoull(num, &end, 16);
if (!neg && !errno && !*end)
printf("lx, ..., l %llu )\n", uv);
else
{
errno = 0;
uv = strtoull(num, &end, 0);
if (neg || errno || *end)
{
long long v = strtoll(num, NULL, 0);
printf("l, ..., l %lld )\n", v);
}
else
printf("l, ..., l %llu )\n", uv);
}
return 0;
}
static int cg_lit(const struct prientry *e)
{
const struct lit *l = e->lit;
const char *tmp;
if (!l)
{
fprintf(stderr, "%s: unexpected null literal\n", __func__);
return -1;
}
printf("%%%s =l loadl $stderr\n", (tmp = cgen_tmp(sizeof (void *))));
printf("call $fputs(l $%s, w %%%s)\n", l->name, tmp);
return 0;
}
static int cg_id(const struct prientry *de, const struct fn *fn)
{
const struct stentry *e = de->entry;
const struct type *t = e->t;
const char *id = e->tk->s;
int global = cgen_global(fn, e);
size_t sz = t->sz;
const char *asz = cgen_sz(sz < 4 ? 4 : sz), *tmp = cgen_tmp(sz);
if (global)
printf("%%%s =%s load%s $%s\n", tmp, asz, cgen_load(t), id);
else
printf("%%%s =%s load%s %%%s_\n", tmp, asz, cgen_load(t), id);
puts("%z =l loadl $stderr");
fputs("call $fprintf(w %z, l $____fmt", stdout);
if (t->type == PTR)
fputs("lx, ..., l ", stdout);
else
printf("%s, ..., %s ", cgen_type(t), asz);
printf("%%%s)\n", tmp);
return 0;
}
int warn_cgen(const struct warn *w, struct cgen *c)
{
const struct print *p = &w->p;
for (size_t i = 0; i < p->nentries; i++)
{
const struct prientry *e = &p->entries[i];
const struct tk *tk = e->tk;
if (tk->type == LIT && cg_lit(e))
return -1;
else if (tk->type == NUM && cg_val(tk))
return -1;
else if (tk->type == ID && e->entry && cg_id(e, c->fn))
return -1;
else if (tk->type == ID && e->lit && cg_lit(e))
return -1;
}
if (p->println)
{
puts("%v =l loadl $stderr");
puts("call $fputc(l 10 , w %v)");
}
return 0;
}
void warn_free(struct warn *w)
{
print_free(&w->p);
}
int warn(const struct lex *l, struct prv *p)
{
return print(l, p, finalize);
}
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