+struct parsed_proto;
+
+struct parsed_proto_arg {
+ char *reg;
+ const char *type;
+ struct parsed_proto *fptr;
+ void *datap;
+};
+
struct parsed_proto {
- struct {
- char *reg;
- const char *type;
- void *datap;
- } arg[16];
+ char name[256];
const char *ret_type;
- int is_stdcall;
+ struct parsed_proto_arg arg[16];
int argc;
int argc_stack;
int argc_reg;
+ unsigned int is_stdcall:1;
+ unsigned int is_fptr:1;
};
static const char *hdrfn;
static int hdrfline = 0;
-static int find_protostr(char *dst, size_t dlen, FILE *fhdr, const char *sym)
+static int find_protostr(char *dst, size_t dlen, FILE *fhdr,
+ const char *fname, const char *sym_)
{
+ const char *sym = sym_;
+ FILE *finc;
+ int symlen;
int line = 0;
+ int ret;
char *p;
+ if (sym[0] == '_' && strncmp(fname, "stdc", 4) == 0)
+ sym++;
+ symlen = strlen(sym);
+
rewind(fhdr);
while (fgets(dst, dlen, fhdr))
{
line++;
- if (strstr(dst, sym) != NULL)
+ if (strncmp(dst, "#include ", 9) == 0) {
+ p = strpbrk(dst + 9, "\r\n ");
+ if (p != NULL)
+ *p = 0;
+
+ finc = fopen(dst + 9, "r");
+ if (finc == NULL) {
+ printf("%s:%d: can't open '%s'\n",
+ fname, line, dst + 9);
+ continue;
+ }
+ ret = find_protostr(dst, dlen, finc,
+ dst + 9, sym_);
+ fclose(finc);
+ if (ret == 0)
+ break;
+ continue;
+ }
+
+ p = strstr(dst, sym);
+ if (p != NULL
+ && (my_isblank(p[symlen]) || my_issep(p[symlen])))
break;
}
hdrfline = line;
"size_t",
};
+static int typecmp(const char *n, const char *t)
+{
+ for (; *t != 0; n++, t++) {
+ while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*'))
+ n++;
+ while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*'))
+ t++;
+ if (*n != *t)
+ return *n - *t;
+ }
+
+ return 0;
+}
+
static const char *check_type(const char *name)
{
- int i, l;
+ int i;
for (i = 0; i < ARRAY_SIZE(known_types); i++) {
- l = strlen(known_types[i]);
- if (strncmp(known_types[i], name, l) == 0)
+ if (typecmp(name, known_types[i]) == 0)
return known_types[i];
}
static int parse_protostr(char *protostr, struct parsed_proto *pp)
{
+ struct parsed_proto_arg *arg;
char regparm[16];
char buf[256];
char cconv[32];
const char *kt;
int xarg = 0;
+ char *p, *p1;
int ret;
- char *p;
int i;
p = protostr;
if (kt == NULL) {
printf("%s:%d:%ld: unhandled return in '%s'\n",
hdrfn, hdrfline, (p - protostr) + 1, protostr);
- return 1;
+ return -1;
}
pp->ret_type = kt;
p += strlen(kt);
p = sskip(p);
+ if (*p == '(') {
+ pp->is_fptr = 1;
+ p = sskip(p + 1);
+ }
+
p = next_word(cconv, sizeof(cconv), p);
p = sskip(p);
if (cconv[0] == 0) {
printf("%s:%d:%ld: cconv missing\n",
hdrfn, hdrfline, (p - protostr) + 1);
- return 1;
+ return -1;
}
if (IS(cconv, "__cdecl"))
pp->is_stdcall = 0;
else {
printf("%s:%d:%ld: unhandled cconv: '%s'\n",
hdrfn, hdrfline, (p - protostr) + 1, cconv);
- return 1;
+ return -1;
+ }
+
+ if (pp->is_fptr) {
+ if (*p != '*') {
+ printf("%s:%d:%ld: '*' expected\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
+ }
+ p = sskip(p + 1);
}
p = next_idt(buf, sizeof(buf), p);
p = sskip(p);
if (buf[0] == 0) {
printf("%s:%d:%ld: func name missing\n",
- hdrfn, hdrfline, (p - protostr) + 1);
- return 1;
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
}
+ strcpy(pp->name, buf);
ret = get_regparm(regparm, sizeof(regparm), p);
if (ret > 0) {
{
printf("%s:%d:%ld: bad regparm: %s\n",
hdrfn, hdrfline, (p - protostr) + 1, regparm);
- return 1;
+ return -1;
}
p += ret;
p = sskip(p);
}
+ if (pp->is_fptr) {
+ if (*p != ')') {
+ printf("%s:%d:%ld: ')' expected\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
+ }
+ p = sskip(p + 1);
+ }
+
if (*p != '(') {
printf("%s:%d:%ld: '(' expected, got '%c'\n",
hdrfn, hdrfline, (p - protostr) + 1, *p);
- return 1;
+ return -1;
}
p++;
+ // check for x(void)
+ p = sskip(p);
+ if (strncmp(p, "void", 4) == 0 && *sskip(p + 4) == ')')
+ p += 4;
+
while (1) {
p = sskip(p);
- if (*p == ')')
+ if (*p == ')') {
+ p++;
break;
+ }
if (*p == ',')
p = sskip(p + 1);
+ arg = &pp->arg[xarg];
xarg++;
+ p1 = p;
kt = check_type(p);
if (kt == NULL) {
printf("%s:%d:%ld: unhandled type for arg%d\n",
hdrfn, hdrfline, (p - protostr) + 1, xarg);
- return 1;
+ return -1;
}
- pp->arg[xarg - 1].type = kt;
+ arg->type = kt;
p += strlen(kt);
p = sskip(p);
+ if (*p == '(') {
+ // func ptr
+ arg->fptr = calloc(1, sizeof(*arg->fptr));
+ ret = parse_protostr(p1, arg->fptr);
+ if (ret < 0) {
+ printf("%s:%d:%ld: funcarg parse failed\n",
+ hdrfn, hdrfline, p1 - protostr);
+ return -1;
+ }
+ // we'll treat it as void * for non-calls
+ arg->type = "void *";
+
+ p = p1 + ret;
+ }
+
p = next_idt(buf, sizeof(buf), p);
p = sskip(p);
#if 0
if (buf[0] == 0) {
printf("%s:%d:%ld: idt missing for arg%d\n",
hdrfn, hdrfline, (p - protostr) + 1, xarg);
- return 1;
+ return -1;
}
#endif
- pp->arg[xarg - 1].reg = NULL;
+ arg->reg = NULL;
ret = get_regparm(regparm, sizeof(regparm), p);
if (ret > 0) {
p += ret;
p = sskip(p);
- pp->arg[xarg - 1].reg = strdup(map_reg(regparm));
+ arg->reg = strdup(map_reg(regparm));
}
}
pp->argc_reg++;
}
- return 0;
+ return p - protostr;
}
static int proto_parse(FILE *fhdr, const char *sym, struct parsed_proto *pp)
memset(pp, 0, sizeof(*pp));
- ret = find_protostr(protostr, sizeof(protostr), fhdr, sym);
+ ret = find_protostr(protostr, sizeof(protostr), fhdr, hdrfn, sym);
if (ret != 0) {
printf("%s: sym '%s' is missing\n", hdrfn, sym);
return ret;
}
- return parse_protostr(protostr, pp);
+ return parse_protostr(protostr, pp) < 0 ? -1 : 0;
}
static void proto_release(struct parsed_proto *pp)
int i;
for (i = 0; i < pp->argc; i++) {
- if (pp->arg[i].reg == NULL)
+ if (pp->arg[i].reg != NULL)
free(pp->arg[i].reg);
+ if (pp->arg[i].fptr != NULL)
+ free(pp->arg[i].fptr);
}
}
notaz.gp2x.de / ia32rtools.git / blobdiff