+struct parsed_proto;
+
+struct parsed_type {
+ char *name;
+ unsigned int is_array:1;
+ unsigned int is_ptr:1;
+};
+
+struct parsed_proto_arg {
+ char *reg;
+ struct parsed_type type;
+ struct parsed_proto *fptr;
+ void *datap;
+};
+
struct parsed_proto {
- struct {
- char *reg;
- const char *type;
- } arg[16];
- const char *ret_type;
- int is_stdcall;
+ char name[256];
+ union {
+ struct parsed_type ret_type;
+ struct parsed_type type;
+ };
+ struct parsed_proto_arg arg[16];
int argc;
int argc_stack;
int argc_reg;
+ unsigned int is_func:1;
+ unsigned int is_stdcall:1;
+ unsigned int is_vararg: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_;
+ const char *finc_name;
+ 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 ", 11) == 0) {
+ finc_name = dst + 11;
+ p = strpbrk(finc_name, "\r\n ");
+ if (p != NULL)
+ *p = 0;
+
+ finc = fopen(finc_name, "r");
+ if (finc == NULL) {
+ printf("%s:%d: can't open '%s'\n",
+ fname, line, finc_name);
+ continue;
+ }
+ ret = find_protostr(dst, dlen, finc,
+ finc_name, sym_);
+ fclose(finc);
+ if (ret == 0)
+ break;
+ continue;
+ }
+ if (strncmp(sskip(dst), "//", 2) == 0)
+ continue;
+
+ p = strstr(dst, sym);
+ if (p != NULL && p > dst
+ && (my_isblank(p[-1]) || my_issep(p[-1]))
+ && (my_isblank(p[symlen]) || my_issep(p[symlen])))
break;
}
hdrfline = line;
}
// hmh..
-static const char *known_types[] = {
- "const void *",
- "void *",
- "char *",
- "FILE *",
- "unsigned __int8",
- "unsigned __int16",
- "unsigned int",
- "signed int",
- "char",
- "__int8",
- "__int16",
- "int",
- "bool",
- "void",
- "BYTE",
- "WORD",
- "DWORD",
- "HMODULE",
+static const char *known_type_mod[] = {
+ "const",
+ "signed",
+ "unsigned",
+ "struct",
+ "enum",
+};
+
+static const char *known_ptr_types[] = {
"HANDLE",
+ "HMODULE",
+ "HINSTANCE",
"HWND",
- "LPCSTR",
- "size_t",
+ "HDC",
+ "HGDIOBJ",
+ "PLONG",
+ "PDWORD",
+ "PVOID",
+ "PCVOID",
+};
+
+static const char *ignored_keywords[] = {
+ "extern",
+ "WINBASEAPI",
+ "WINUSERAPI",
};
-static const char *check_type(const char *name)
+// returns ptr to char after type ends
+static int typecmp(const char *n, const char *t)
{
- int i, l;
+ 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 *skip_type_mod(const char *n)
+{
+ int len;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(known_type_mod); i++) {
+ len = strlen(known_type_mod[i]);
+ if (strncmp(n, known_type_mod[i], len) != 0)
+ continue;
+
+ n += len;
+ while (my_isblank(*n))
+ n++;
+ i = 0;
+ }
+
+ return n;
+}
+
+static int check_type(const char *name, struct parsed_type *type)
+{
+ const char *n, *n1;
+ int ret = -1;
+ int i;
+
+ n = skip_type_mod(name);
+
+ for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) {
+ if (typecmp(n, known_ptr_types[i]))
+ continue;
- for (i = 0; i < ARRAY_SIZE(known_types); i++) {
- l = strlen(known_types[i]);
- if (strncmp(known_types[i], name, l) == 0)
- return known_types[i];
+ type->is_ptr = 1;
+ break;
}
- return NULL;
+ if (n[0] == 'L' && n[1] == 'P')
+ type->is_ptr = 1;
+
+ // assume single word
+ while (!my_isblank(*n) && !my_issep(*n))
+ n++;
+
+ while (1) {
+ n1 = n;
+ while (my_isblank(*n))
+ n++;
+ if (*n == '*') {
+ type->is_ptr = 1;
+ n++;
+ continue;
+ }
+ break;
+ }
+
+ ret = n1 - name;
+ type->name = strndup(name, ret);
+ return ret;
}
/* args are always expanded to 32bit */
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 i, l;
int ret;
- char *p;
- int i;
- p = protostr;
+ p = sskip(protostr);
if (p[0] == '/' && p[1] == '/') {
- //printf("warning: decl for sym '%s' is commented out\n", sym);
+ printf("%s:%d: commented out?\n", hdrfn, hdrfline);
p = sskip(p + 2);
}
- kt = check_type(p);
- if (kt == NULL) {
- printf("%s:%d:%ld: unhandled return in '%s'\n",
+ // strip unneeded stuff
+ for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) {
+ if ((p1[0] == '/' && p1[1] == '*')
+ || (p1[0] == '*' && p1[1] == '/'))
+ p1[0] = p1[1] = ' ';
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ignored_keywords); i++) {
+ l = strlen(ignored_keywords[i]);
+ if (!strncmp(p, ignored_keywords[i], l) && my_isblank(p[l]))
+ p = sskip(p + l + 1);
+ }
+
+ ret = check_type(p, &pp->ret_type);
+ if (ret <= 0) {
+ printf("%s:%d:%zd: unhandled return in '%s'\n",
hdrfn, hdrfline, (p - protostr) + 1, protostr);
- return 1;
+ return -1;
+ }
+ p = sskip(p + ret);
+
+ if (!strchr(p, ')')) {
+ p = next_idt(buf, sizeof(buf), p);
+ p = sskip(p);
+ if (buf[0] == 0) {
+ printf("%s:%d:%zd: var name missing\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
+ }
+ strcpy(pp->name, buf);
+
+ p1 = strchr(p, ']');
+ if (p1 != NULL) {
+ p = p1 + 1;
+ pp->ret_type.is_array = 1;
+ }
+ return p - protostr;
+ }
+
+ pp->is_func = 1;
+
+ if (*p == '(') {
+ pp->is_fptr = 1;
+ p = sskip(p + 1);
}
- pp->ret_type = kt;
- p += strlen(kt);
- p = sskip(p);
p = next_word(cconv, sizeof(cconv), p);
p = sskip(p);
if (cconv[0] == 0) {
- printf("%s:%d:%ld: cconv missing\n",
+ printf("%s:%d:%zd: cconv missing\n",
hdrfn, hdrfline, (p - protostr) + 1);
- return 1;
+ return -1;
}
if (IS(cconv, "__cdecl"))
pp->is_stdcall = 0;
pp->is_stdcall = 1; // in all cases seen..
else if (IS(cconv, "__usercall"))
pp->is_stdcall = 0; // ..or is it?
+ else if (IS(cconv, "WINAPI"))
+ pp->is_stdcall = 1;
else {
- printf("%s:%d:%ld: unhandled cconv: '%s'\n",
+ printf("%s:%d:%zd: unhandled cconv: '%s'\n",
hdrfn, hdrfline, (p - protostr) + 1, cconv);
- return 1;
+ return -1;
+ }
+
+ if (pp->is_fptr) {
+ if (*p != '*') {
+ printf("%s:%d:%zd: '*' 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;
+ printf("%s:%d:%zd: func name missing\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
}
+ strcpy(pp->name, buf);
ret = get_regparm(regparm, sizeof(regparm), p);
if (ret > 0) {
if (!IS(regparm, "eax") && !IS(regparm, "ax")
&& !IS(regparm, "al"))
{
- printf("%s:%d:%ld: bad regparm: %s\n",
+ printf("%s:%d:%zd: 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:%zd: ')' expected\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
+ }
+ p = sskip(p + 1);
+ }
+
if (*p != '(') {
- printf("%s:%d:%ld: '(' expected, got '%c'\n",
+ printf("%s:%d:%zd: '(' 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) || !strncmp(p, "VOID", 4))
+ && *sskip(p + 4) == ')')
+ p += 4;
+
while (1) {
p = sskip(p);
- if (*p == ')')
+ if (*p == ')') {
+ p++;
break;
+ }
if (*p == ',')
p = sskip(p + 1);
+ if (!strncmp(p, "...", 3)) {
+ pp->is_vararg = 1;
+ p = sskip(p + 3);
+ if (*p == ')') {
+ p++;
+ break;
+ }
+ printf("%s:%d:%zd: ')' expected\n",
+ hdrfn, hdrfline, (p - protostr) + 1);
+ return -1;
+ }
+
+ arg = &pp->arg[xarg];
xarg++;
- kt = check_type(p);
- if (kt == NULL) {
- printf("%s:%d:%ld: unhandled type for arg%d\n",
+ p1 = p;
+ ret = check_type(p, &arg->type);
+ if (ret <= 0) {
+ printf("%s:%d:%zd: unhandled type for arg%d\n",
hdrfn, hdrfline, (p - protostr) + 1, xarg);
- return 1;
+ return -1;
+ }
+ p = sskip(p + ret);
+
+ if (*p == '(') {
+ // func ptr
+ arg->fptr = calloc(1, sizeof(*arg->fptr));
+ ret = parse_protostr(p1, arg->fptr);
+ if (ret < 0) {
+ printf("%s:%d:%zd: funcarg parse failed\n",
+ hdrfn, hdrfline, p1 - protostr);
+ return -1;
+ }
+ // we'll treat it as void * for non-calls
+ arg->type.name = "void *";
+ arg->type.is_ptr = 1;
+
+ p = p1 + ret;
}
- pp->arg[xarg - 1].type = kt;
- p += strlen(kt);
- p = sskip(p);
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",
+ printf("%s:%d:%zd: 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->arg[1].reg = strdup("edx");
}
+ if (pp->is_vararg && pp->is_stdcall) {
+ printf("%s:%d: vararg stdcall?\n", hdrfn, hdrfline);
+ return -1;
+ }
+
pp->argc = xarg;
for (i = 0; i < pp->argc; i++) {
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].type.name != NULL)
+ free(pp->arg[i].type.name);
+ if (pp->arg[i].fptr != NULL)
+ free(pp->arg[i].fptr);
}
+ if (pp->ret_type.name != NULL)
+ free(pp->ret_type.name);
}
notaz.gp2x.de / ia32rtools.git / blobdiff