diff options
Diffstat (limited to 'src/prc1/display.c')
| -rw-r--r-- | src/prc1/display.c | 135 |
1 files changed, 12 insertions, 123 deletions
diff --git a/src/prc1/display.c b/src/prc1/display.c index 2fbf331..70fac93 100644 --- a/src/prc1/display.c +++ b/src/prc1/display.c @@ -1,19 +1,21 @@ #include "display.h" #include "cgen.h" #include "dbg.h" +#include "fn.h" #include "parse.h" #include "prv.h" #include "stmt.h" -#include "storage.h" -#include <errno.h> +#include <stddef.h> #include <stdlib.h> -#include <string.h> -static int finalize(const struct lex *l, const struct prv *p, - const struct print *pr) +int display_cgen(const struct print *pr, struct cgen *c) { - const struct ast *ast = p->ast; - struct fn *fn = &ast->fns[ast->nfns - 1]; + return print_cgen(pr, c, "stdout"); +} + +int display(const struct lex *l, struct prv *p) +{ + struct fn *fn = fn_cur(p); size_t n = fn->nstmts + 1; struct stmt *stmts = realloc(fn->stmts, n * sizeof *stmts); @@ -23,121 +25,8 @@ static int finalize(const struct lex *l, const struct prv *p, return -1; } + dbg("\t\tadd display statement\n"); + stmts[fn->nstmts++] = (struct stmt){.type = DISPLAY, .u.print = {0}}; fn->stmts = stmts; - fn->stmts[fn->nstmts++] = (struct stmt) - { - .type = DISPLAY, - .u.display.p = *pr - }; - - dbg("\t\tadding display 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 $stdout\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); - - fputs("call $printf(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 display_cgen(const struct display *d, struct cgen *c) -{ - const struct print *p = &d->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("call $putchar(l 10)"); - - return 0; -} - -void display_free(struct display *d) -{ - print_free(&d->p); -} - -int display(const struct lex *l, struct prv *p) -{ - return print(l, p, finalize); + return print(l, p); } |
