X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=tools%2Fprotoparse.h;h=897171e86197b0c7e236e4fd75dd4e3a9785780a;hb=2c31fb4cf1427f5a24c4eed0a08dbd3f3a2dacce;hp=a34d1a632912e534978acc600795fddf4b939a67;hpb=5f70a34fac7e0f26d6154b3b4d7132ec813b41f4;p=ia32rtools.git diff --git a/tools/protoparse.h b/tools/protoparse.h index a34d1a6..897171e 100644 --- a/tools/protoparse.h +++ b/tools/protoparse.h @@ -15,13 +15,15 @@ struct parsed_type { unsigned int is_struct:1; // split for args unsigned int is_retreg:1; // register to return to caller unsigned int is_va_list:1; + unsigned int is_64bit:1; }; struct parsed_proto_arg { char *reg; struct parsed_type type; - struct parsed_proto *fptr; + struct parsed_proto *pp; // fptr or struct void *datap; + unsigned int is_saved:1; // not set here, for tool use }; struct parsed_proto { @@ -42,28 +44,42 @@ struct parsed_proto { unsigned int is_noreturn:1; unsigned int is_unresolved:1; unsigned int is_userstack:1; - unsigned int is_oslib:1; // OS/system library func + unsigned int is_include:1; // not from top-level header + unsigned int is_osinc:1; // OS/system library func + unsigned int is_cinc:1; // crt library func unsigned int is_arg:1; // declared in some func arg unsigned int has_structarg:1; unsigned int has_retreg:1; }; +struct parsed_struct { + char name[256]; + struct { + int offset; + struct parsed_proto pp; + } members[64]; + int member_count; +}; + static const char *hdrfn; static int hdrfline = 0; static void pp_copy_arg(struct parsed_proto_arg *d, const struct parsed_proto_arg *s); -static int b_pp_c_handler(char *proto, const char *fname, int is_oslib); +static int b_pp_c_handler(char *proto, const char *fname, + int is_include, int is_osinc, int is_cinc); +static int struct_handler(FILE *fhdr, char *proto, int *line); -static int do_protostrs(FILE *fhdr, const char *fname) +static int do_protostrs(FILE *fhdr, const char *fname, int is_include) { const char *finc_name; const char *hdrfn_saved; char protostr[256]; char path[256]; char fname_inc[256]; - int is_oslib; + int is_osinc; + int is_cinc; FILE *finc; int line = 0; int ret; @@ -72,8 +88,8 @@ static int do_protostrs(FILE *fhdr, const char *fname) hdrfn_saved = hdrfn; hdrfn = fname; - is_oslib = strstr(fname, "stdc.hlist") - || strstr(fname, "win32.hlist"); + is_cinc = strstr(fname, "stdc.hlist") != NULL; + is_osinc = is_cinc || strstr(fname, "win32.hlist") != NULL; while (fgets(protostr, sizeof(protostr), fhdr)) { @@ -99,7 +115,7 @@ static int do_protostrs(FILE *fhdr, const char *fname) fname_inc, line, finc_name); continue; } - ret = do_protostrs(finc, finc_name); + ret = do_protostrs(finc, finc_name, 1); fclose(finc); if (ret < 0) break; @@ -116,7 +132,12 @@ static int do_protostrs(FILE *fhdr, const char *fname) hdrfline = line; - ret = b_pp_c_handler(protostr, hdrfn, is_oslib); + if (!strncmp(protostr, "struct", 6) + && strchr(protostr, '{') != NULL) + ret = struct_handler(fhdr, protostr, &line); + else + ret = b_pp_c_handler(protostr, hdrfn, + is_include, is_osinc, is_cinc); if (ret < 0) break; } @@ -160,7 +181,6 @@ static const char *known_type_mod[] = { "const", "signed", "unsigned", - "struct", "enum", "CONST", "volatile", @@ -173,12 +193,14 @@ static const char *known_ptr_types[] = { "HACCEL", "HANDLE", "HBITMAP", + "HBRUSH", "HCALL", "HCURSOR", "HDC", "HFONT", "HGDIOBJ", "HGLOBAL", + "HHOOK", "HICON", "HINSTANCE", "HIMC", // DWORD in mingw, ptr in wine.. @@ -198,13 +220,19 @@ static const char *known_ptr_types[] = { "PDWORD", "PFILETIME", "PLARGE_INTEGER", + "PHANDLE", "PHKEY", "PLONG", "PMEMORY_BASIC_INFORMATION", "PUINT", + "PULARGE_INTEGER", + "PULONG_PTR", "PVOID", "PCVOID", "PWORD", + "REFCLSID", + "REFIID", + "HOOKPROC", "DLGPROC", "TIMERPROC", "WNDENUMPROC", @@ -220,7 +248,6 @@ static const char *ignored_keywords[] = { "WINADVAPI", }; -// returns ptr to char after type ends static int typecmp(const char *n, const char *t) { for (; *t != 0; n++, t++) { @@ -264,6 +291,14 @@ static int check_type(const char *name, struct parsed_type *type) n = skip_type_mod(name); + if (!strncmp(n, "struct", 6) && my_isblank(n[6])) { + type->is_struct = 1; + + n += 6; + while (my_isblank(*n)) + n++; + } + for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) { if (typecmp(n, known_ptr_types[i])) continue; @@ -328,6 +363,54 @@ static int check_struct_arg(struct parsed_proto_arg *arg) return 0; } +static int parse_protostr(char *protostr, struct parsed_proto *pp); + +static int parse_arg(char **p_, struct parsed_proto_arg *arg, int xarg) +{ + char buf[256]; + char *p = *p_; + char *pe; + int ret; + + arg->pp = calloc(1, sizeof(*arg->pp)); + my_assert_not(arg->pp, NULL); + arg->pp->is_arg = 1; + + pe = p; + while (1) { + pe = strpbrk(pe, ",()"); + if (pe == NULL) + return -1; + if (*pe == ',' || *pe == ')') + break; + pe = strchr(pe, ')'); + if (pe == NULL) + return -1; + pe++; + } + + if (pe - p > sizeof(buf) - 1) + return -1; + memcpy(buf, p, pe - p); + buf[pe - p] = 0; + + ret = parse_protostr(buf, arg->pp); + if (ret < 0) + return -1; + + // we don't use actual names right now... + snprintf(arg->pp->name, sizeof(arg->pp->name), "a%d", xarg); + + if (!arg->type.is_struct) + // we'll treat it as void * for non-calls + arg->type.name = strdup("void *"); + arg->type.is_ptr = 1; + + p += ret; + *p_ = p; + return 0; +} + static int parse_protostr(char *protostr, struct parsed_proto *pp) { struct parsed_proto_arg *arg; @@ -335,8 +418,8 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) char buf[256]; char cconv[32]; int is_retreg; - int xarg = 0; char *p, *p1; + int xarg = 0; int i, l; int ret; @@ -346,7 +429,18 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) p = sskip(p + 2); } - // strip unneeded stuff + // allow start of line comment + if (p[0] == '/' && p[1] == '*') { + p = strstr(p + 2, "*/"); + if (p == NULL) { + printf("%s:%d: multiline comments unsupported\n", + hdrfn, hdrfline); + return -1; + } + p = sskip(p + 2); + } + + // we need remaining hints in comments, so strip / * for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) { if ((p1[0] == '/' && p1[1] == '*') || (p1[0] == '*' && p1[1] == '/')) @@ -380,8 +474,8 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) 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", + if (!pp->is_arg && buf[0] == 0) { + printf("%s:%d:%zd: var name is missing\n", hdrfn, hdrfline, (p - protostr) + 1); return -1; } @@ -427,7 +521,7 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) pp->is_stdcall = 0; // custom pp->is_userstack = 1; } - else if (IS(cconv, "WINAPI")) + else if (IS(cconv, "WINAPI") || IS(cconv, "PASCAL")) pp->is_stdcall = 1; else { printf("%s:%d:%zd: unhandled cconv: '%s'\n", @@ -542,24 +636,15 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) } p = sskip(p + ret); - if (*p == '(') { - // func ptr - arg->fptr = calloc(1, sizeof(*arg->fptr)); - ret = parse_protostr(p1, arg->fptr); + if (*p == '(' || arg->type.is_struct) { + // func ptr or struct + ret = parse_arg(&p1, arg, xarg); if (ret < 0) { printf("%s:%d:%zd: funcarg parse failed\n", hdrfn, hdrfline, p1 - protostr); return -1; } - arg->fptr->is_arg = 1; - // we don't use actual names right now.. - snprintf(arg->fptr->name, - sizeof(arg->fptr->name), "a%d", xarg); - // we'll treat it as void * for non-calls - arg->type.name = strdup("void *"); - arg->type.is_ptr = 1; - - p = p1 + ret; + p = p1; } p = next_idt(buf, sizeof(buf), p); @@ -583,14 +668,16 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp) pp->has_retreg |= is_retreg; } - if (strstr(arg->type.name, "int64") - || IS(arg->type.name, "double")) + if (!arg->type.is_ptr && (strstr(arg->type.name, "int64") + || IS(arg->type.name, "double"))) { + arg->type.is_64bit = 1; // hack.. - free(arg->type.name); - arg->type.name = strdup("int"); pp_copy_arg(&pp->arg[xarg], arg); + arg = &pp->arg[xarg]; xarg++; + free(arg->type.name); + arg->type.name = strdup("dummy"); } ret = check_struct_arg(arg); @@ -657,11 +744,83 @@ static int pp_name_cmp(const void *p1, const void *p2) return strcmp(pp1->name, pp2->name); } +static int ps_name_cmp(const void *p1, const void *p2) +{ + const struct parsed_struct *ps1 = p1, *ps2 = p2; + return strcmp(ps1->name, ps2->name); +} + +// parsed struct cache +static struct parsed_struct *ps_cache; +static int ps_cache_size; +static int ps_cache_alloc; + +static int struct_handler(FILE *fhdr, char *proto, int *line) +{ + struct parsed_struct *ps; + char lstr[256], *p; + int offset = 0; + int m = 0; + int ret; + + if (ps_cache_size >= ps_cache_alloc) { + ps_cache_alloc = ps_cache_alloc * 2 + 64; + ps_cache = realloc(ps_cache, ps_cache_alloc + * sizeof(ps_cache[0])); + my_assert_not(ps_cache, NULL); + memset(ps_cache + ps_cache_size, 0, + (ps_cache_alloc - ps_cache_size) + * sizeof(ps_cache[0])); + } + + ps = &ps_cache[ps_cache_size++]; + ret = sscanf(proto, "struct %255s {", ps->name); + if (ret != 1) { + printf("%s:%d: struct parse failed\n", hdrfn, *line); + return -1; + } + + while (fgets(lstr, sizeof(lstr), fhdr)) + { + (*line)++; + + p = sskip(lstr); + if (p[0] == '/' && p[1] == '/') + continue; + if (p[0] == '}') + break; + + if (m >= ARRAY_SIZE(ps->members)) { + printf("%s:%d: too many struct members\n", + hdrfn, *line); + return -1; + } + + hdrfline = *line; + ret = parse_protostr(p, &ps->members[m].pp); + if (ret < 0) { + printf("%s:%d: struct member #%d/%02x " + "doesn't parse\n", hdrfn, *line, + m, offset); + return -1; + } + ps->members[m].offset = offset; + offset += 4; + m++; + } + + ps->member_count = m; + + return 0; +} + +// parsed proto cache static struct parsed_proto *pp_cache; static int pp_cache_size; static int pp_cache_alloc; -static int b_pp_c_handler(char *proto, const char *fname, int is_oslib) +static int b_pp_c_handler(char *proto, const char *fname, + int is_include, int is_osinc, int is_cinc) { int ret; @@ -679,12 +838,14 @@ static int b_pp_c_handler(char *proto, const char *fname, int is_oslib) if (ret < 0) return -1; - pp_cache[pp_cache_size].is_oslib = is_oslib; + pp_cache[pp_cache_size].is_include = is_include; + pp_cache[pp_cache_size].is_osinc = is_osinc; + pp_cache[pp_cache_size].is_cinc = is_cinc; pp_cache_size++; return 0; } -static void build_pp_cache(FILE *fhdr) +static void build_caches(FILE *fhdr) { long pos; int ret; @@ -692,11 +853,12 @@ static void build_pp_cache(FILE *fhdr) pos = ftell(fhdr); rewind(fhdr); - ret = do_protostrs(fhdr, hdrfn); + ret = do_protostrs(fhdr, hdrfn, 0); if (ret < 0) exit(1); qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp); + qsort(ps_cache, ps_cache_size, sizeof(ps_cache[0]), ps_name_cmp); fseek(fhdr, pos, SEEK_SET); } @@ -708,9 +870,10 @@ static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, char *p; if (pp_cache == NULL) - build_pp_cache(fhdr); + build_caches(fhdr); - if (sym[0] == '_') // && strncmp(fname, "stdc", 4) == 0) + // ugh... + if (sym[0] == '_' && !IS_START(sym, "__W")) sym++; strcpy(pp_search.name, sym); @@ -726,6 +889,41 @@ static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, return pp_ret; } +static const struct parsed_proto *proto_lookup_struct(FILE *fhdr, + const char *type, int offset) +{ + struct parsed_struct ps_search, *ps; + int m; + + if (pp_cache == NULL) + build_caches(fhdr); + if (ps_cache_size == 0) + return NULL; + + while (my_isblank(*type)) + type++; + if (!strncmp(type, "struct", 6) && my_isblank(type[6])) + type += 7; + + if (sscanf(type, "%255s", ps_search.name) != 1) + return NULL; + + ps = bsearch(&ps_search, ps_cache, ps_cache_size, + sizeof(ps_cache[0]), ps_name_cmp); + if (ps == NULL) { + printf("%s: struct '%s' is missing\n", + hdrfn, ps_search.name); + return NULL; + } + + for (m = 0; m < ps->member_count; m++) { + if (ps->members[m].offset == offset) + return &ps->members[m].pp; + } + + return NULL; +} + static void pp_copy_arg(struct parsed_proto_arg *d, const struct parsed_proto_arg *s) { @@ -739,10 +937,10 @@ static void pp_copy_arg(struct parsed_proto_arg *d, d->type.name = strdup(s->type.name); my_assert_not(d->type.name, NULL); } - if (s->fptr != NULL) { - d->fptr = malloc(sizeof(*d->fptr)); - my_assert_not(d->fptr, NULL); - memcpy(d->fptr, s->fptr, sizeof(*d->fptr)); + if (s->pp != NULL) { + d->pp = malloc(sizeof(*d->pp)); + my_assert_not(d->pp, NULL); + memcpy(d->pp, s->pp, sizeof(*d->pp)); } } @@ -819,10 +1017,12 @@ static inline void proto_release(struct parsed_proto *pp) 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->arg[i].pp != NULL) + free(pp->arg[i].pp); } if (pp->ret_type.name != NULL) free(pp->ret_type.name); free(pp); + + (void)proto_lookup_struct; }