| #include "asn1c_internal.h" |
| #include "asn1c_compat.h" |
| #include "asn1c_fdeps.h" |
| #include "asn1c_lang.h" |
| #include "asn1c_misc.h" |
| #include "asn1c_save.h" |
| #include "asn1c_out.h" |
| |
| #ifndef HAVE_SYMLINK |
| #define symlink(a,b) (errno=ENOSYS, -1) |
| #endif |
| |
| /* Pedantically check fprintf's return value. */ |
| static int safe_fprintf(FILE *fp, const char *fmt, ...) { |
| va_list ap; |
| va_start(ap, fmt); |
| int ret = vfprintf(fp, fmt, ap); |
| va_end(ap); |
| assert(ret >= 0); |
| return ret; |
| } |
| |
| /* Pedantically check fwrite's return value. */ |
| static size_t safe_fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream) { |
| size_t ret = fwrite(ptr, 1, size * nitems, stream); |
| assert(ret == size * nitems); |
| return ret; |
| } |
| |
| #define HINCLUDE(s) \ |
| ((arg->flags & A1C_INCLUDES_QUOTED) \ |
| ? safe_fprintf(fp_h, "#include \"%s\"\n", s) \ |
| : safe_fprintf(fp_h, "#include <%s>\n", s)) \ |
| |
| enum include_type_result { |
| TI_NOT_INCLUDED, |
| TI_INCLUDED_FROM_BULK, |
| TI_INCLUDED_FROM_CMDLINE |
| }; |
| |
| static int asn1c_dump_streams(arg_t *arg, asn1c_dep_chainset *, const char *, int, char **); |
| static int asn1c_print_streams(arg_t *arg); |
| static int asn1c_save_streams(arg_t *arg, asn1c_dep_chainset *, const char *, int, char **); |
| static int asn1c_copy_over(arg_t *arg, const char *destdir, const char *path, const char *msg); |
| static int identical_files(const char *fname1, const char *fname2); |
| static int need_to_generate_pdu_collection(arg_t *arg); |
| static abuf *generate_pdu_collection(arg_t *arg); |
| static int generate_pdu_collection_file(arg_t *arg, const char *destdir); |
| static int generate_preamble(arg_t *, FILE *, int optc, char **argv); |
| static enum include_type_result include_type_to_pdu_collection(arg_t *arg); |
| static int pdu_collection_has_unused_types(arg_t *arg); |
| static const char *generate_pdu_C_definition(void); |
| static void asn1c__cleanup_pdu_type(void); |
| static int asn1c__pdu_type_lookup(const char *typename); |
| |
| static int |
| asn1c__save_library_makefile(arg_t *arg, const asn1c_dep_chainset *deps, |
| const char *datadir, const char *destdir, const char *makefile_name) { |
| asn1p_module_t *mod; |
| FILE *mkf; |
| |
| mkf = asn1c_open_file(destdir, makefile_name, "", 0); |
| if(mkf == NULL) { |
| perror(makefile_name); |
| return -1; |
| } |
| |
| safe_fprintf(mkf, "ASN_MODULE_SRCS="); |
| TQ_FOR(mod, &(arg->asn->modules), mod_next) { |
| TQ_FOR(arg->expr, &(mod->members), next) { |
| if(asn1_lang_map[arg->expr->meta_type] |
| [arg->expr->expr_type].type_cb) { |
| safe_fprintf(mkf, "\t\\\n\t%s%s.c", destdir, |
| asn1c_make_identifier(AMI_MASK_ONLY_SPACES, arg->expr, 0)); |
| } |
| } |
| } |
| safe_fprintf(mkf, "\n\nASN_MODULE_HDRS="); |
| TQ_FOR(mod, &(arg->asn->modules), mod_next) { |
| TQ_FOR(arg->expr, &(mod->members), next) { |
| if(asn1_lang_map[arg->expr->meta_type] |
| [arg->expr->expr_type].type_cb) { |
| safe_fprintf(mkf, "\t\\\n\t%s%s.h", destdir, |
| asn1c_make_identifier(AMI_MASK_ONLY_SPACES, arg->expr, 0)); |
| } |
| } |
| } |
| safe_fprintf(mkf, "\n\n"); |
| |
| /* |
| * Move necessary skeleton files and add them to Makefile.am.targets. |
| */ |
| asn1c_dep_chain *dlist = asn1c_deps_flatten(deps, ~FDEP_CONVERTER); |
| if(dlist) { |
| char dstpath[PATH_MAX]; |
| char *dir_end; |
| size_t dlen = strlen(datadir); |
| |
| assert(dlen < (sizeof(dstpath) / 2 - 2)); |
| memcpy(dstpath, datadir, dlen); |
| dir_end = dstpath + dlen; |
| *dir_end++ = '/'; |
| |
| for(size_t i = 0; i < dlist->deps_count; i++) { |
| char where[32]; /* Location of the */ |
| char *what_kind; /* HDRS or SRCS */ |
| const asn1c_dep_filename *dep_file = dlist->deps[i]; |
| char *fname = dep_file->filename; |
| char *dotH; |
| |
| assert(strlen(fname) < (sizeof(dstpath) / 2)); |
| strcpy(dir_end, fname); |
| |
| if(arg->flags & A1C_DEBUG) { |
| snprintf(where, sizeof(where), "(line %d col %d)", |
| dep_file->lineno, dep_file->column); |
| } else { |
| where[0] = '\0'; |
| } |
| |
| if(asn1c_copy_over(arg, destdir, dstpath, where) == -1) { |
| safe_fprintf(mkf, ">>>ABORTED<<<"); |
| fclose(mkf); |
| return -1; |
| } |
| |
| /* HDRS versus SRCS */ |
| dotH = strrchr(fname, 'h'); |
| if(dotH && fname < dotH && dotH[-1] == '.' && !dotH[1]) { |
| what_kind = "HDRS"; |
| } else { |
| what_kind = "SRCS"; |
| } |
| safe_fprintf(mkf, "ASN_MODULE_%s+=%s%s\n", what_kind, destdir, fname); |
| } |
| |
| asn1c_dep_chain_free(dlist); |
| } |
| |
| safe_fprintf( |
| mkf, |
| "\n" |
| "ASN_MODULE_CFLAGS=%s%s", |
| (arg->flags & A1C_GEN_OER) ? "" : "-DASN_DISABLE_OER_SUPPORT ", |
| (arg->flags & A1C_GEN_PER) ? "" : "-DASN_DISABLE_PER_SUPPORT "); |
| |
| safe_fprintf( |
| mkf, |
| "\n\n" |
| "lib_LTLIBRARIES=libasncodec.la\n" |
| "libasncodec_la_SOURCES=" |
| "$(ASN_MODULE_SRCS) $(ASN_MODULE_HDRS)\n" |
| "libasncodec_la_CFLAGS=$(ASN_MODULE_CFLAGS)\n"); |
| fclose(mkf); |
| safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name); |
| |
| return 0; |
| } |
| |
| static int |
| asn1c__save_example_makefile(arg_t *arg, const asn1c_dep_chainset *deps, const char *datadir, |
| const char *destdir, const char *makefile_name, |
| const char *library_makefile_name, int argc, |
| char **argv) { |
| FILE *mkf; |
| asn1c_dep_chain *dlist = asn1c_deps_flatten(deps, FDEP_CONVERTER); |
| |
| mkf = asn1c_open_file(destdir, makefile_name, "", 0); |
| if(mkf == NULL) { |
| perror(makefile_name); |
| return -1; |
| } |
| safe_fprintf(mkf, |
| "include %s%s\n\n" |
| "LIBS += -lm\n" |
| "CFLAGS += $(ASN_MODULE_CFLAGS) %s%s-I.\n" |
| "ASN_LIBRARY ?= libasncodec.a\n" |
| "ASN_PROGRAM ?= converter-example\n" |
| "ASN_PROGRAM_SRCS ?= ", |
| destdir, library_makefile_name, |
| (arg->flags & A1C_PDU_TYPE) ? generate_pdu_C_definition() : "", |
| need_to_generate_pdu_collection(arg) ? "-DASN_PDU_COLLECTION " : ""); |
| |
| if(dlist) { |
| for(size_t i = 0; i < dlist->deps_count; i++) { |
| char dstpath[PATH_MAX]; |
| int ret = snprintf(dstpath, sizeof(dstpath), "%s/%s", datadir, |
| dlist->deps[i]->filename); |
| assert(ret > 0 && (size_t)ret < sizeof(dstpath)); |
| if(asn1c_copy_over(arg, destdir, dstpath, "implicit") == -1) { |
| safe_fprintf(mkf, ">>>ABORTED<<<"); |
| fclose(mkf); |
| return -1; |
| } |
| safe_fprintf(mkf, "\\\n\t%s%s", destdir, dlist->deps[i]->filename); |
| } |
| asn1c_dep_chain_free(dlist); |
| } |
| |
| if(need_to_generate_pdu_collection(arg)) { |
| safe_fprintf(mkf, "\\\n\t%spdu_collection.c", destdir); |
| if(generate_pdu_collection_file(arg, destdir)) |
| return -1; |
| } |
| |
| safe_fprintf( |
| mkf, |
| "\n\nall: $(ASN_PROGRAM)\n" |
| "\n$(ASN_PROGRAM): $(ASN_LIBRARY) $(ASN_PROGRAM_SRCS:.c=.o)" |
| "\n\t$(CC) $(CFLAGS) $(CPPFLAGS) -o $(ASN_PROGRAM) $(ASN_PROGRAM_SRCS:.c=.o) $(LDFLAGS) $(ASN_LIBRARY) $(LIBS)\n" |
| "\n$(ASN_LIBRARY): $(ASN_MODULE_SRCS:.c=.o)" |
| "\n\t$(AR) rcs $@ $(ASN_MODULE_SRCS:.c=.o)\n" |
| "\n.SUFFIXES:" |
| "\n.SUFFIXES: .c .o\n" |
| "\n.c.o:" |
| "\n\t$(CC) $(CFLAGS) -o $@ -c $<\n" |
| "\nclean:" |
| "\n\trm -f $(ASN_PROGRAM) $(ASN_LIBRARY)" |
| "\n\trm -f $(ASN_MODULE_SRCS:.c=.o) $(ASN_PROGRAM_SRCS:.c=.o)\n" |
| "\nregen: regenerate-from-asn1-source\n" |
| "\nregenerate-from-asn1-source:\n\t"); |
| |
| for(int i = 0; i < argc; i++) |
| safe_fprintf(mkf, "%s%s", i ? " " : "", argv[i]); |
| safe_fprintf(mkf, "\n\n"); |
| |
| fclose(mkf); |
| safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name); |
| return 0; |
| } |
| |
| static int |
| can_generate_pdu_collection(arg_t *arg) { |
| abuf *buf = generate_pdu_collection(arg); |
| if(!buf) { |
| return -1; |
| } |
| abuf_free(buf); |
| return 0; |
| } |
| |
| int |
| asn1c_save_compiled_output(arg_t *arg, const char *datadir, const char *destdir, |
| int argc, int optc, char **argv) { |
| int ret = -1; |
| |
| const char* program_makefile = "Makefile.am.example"; |
| const char* library_makefile = "Makefile.am.libasncodec"; |
| |
| /* |
| * Early check that we can properly generate PDU collection. |
| */ |
| if(can_generate_pdu_collection(arg) == -1) { |
| return -1; |
| } |
| |
| asn1c_dep_chainset *deps; |
| do { |
| asn1p_module_t *mod; |
| |
| deps = asn1c_read_file_dependencies(arg, datadir); |
| if(!deps && datadir) { |
| WARNING( |
| "Cannot read file-dependencies information " |
| "from %s\n", |
| datadir); |
| } |
| |
| TQ_FOR(mod, &(arg->asn->modules), mod_next) { |
| TQ_FOR(arg->expr, &(mod->members), next) { |
| if(asn1_lang_map[arg->expr->meta_type][arg->expr->expr_type] |
| .type_cb) { |
| if(asn1c_dump_streams(arg, deps, destdir, optc, argv)) break; |
| } |
| } |
| } |
| |
| /* |
| * Dump out the Makefile template and the rest of the support code. |
| */ |
| if((arg->flags & A1C_PRINT_COMPILED) |
| || (arg->flags & A1C_OMIT_SUPPORT_CODE)) { |
| ret = 0; /* Success */ |
| break; |
| } |
| |
| ret = asn1c__save_library_makefile(arg, deps, datadir, destdir, |
| library_makefile); |
| if(ret) break; |
| |
| if(arg->flags & A1C_GEN_EXAMPLE) { |
| ret = asn1c__save_example_makefile(arg, deps, datadir, destdir, |
| program_makefile, |
| library_makefile, argc, argv); |
| if(ret) break; |
| } |
| } while(0); |
| |
| asn1c_dep_chainset_free(deps); |
| asn1c__cleanup_pdu_type(); |
| |
| return ret; |
| } |
| |
| /* |
| * Dump the streams. |
| */ |
| static int |
| asn1c_dump_streams(arg_t *arg, asn1c_dep_chainset *deps, const char* destdir, int optc, |
| char **argv) { |
| if(arg->flags & A1C_PRINT_COMPILED) { |
| return asn1c_print_streams(arg); |
| } else { |
| return asn1c_save_streams(arg, deps, destdir, optc, argv); |
| } |
| } |
| |
| static int |
| asn1c_print_streams(arg_t *arg) { |
| compiler_streams_t *cs = arg->expr->data; |
| asn1p_expr_t *expr = arg->expr; |
| int i; |
| |
| for(i = 1; i < OT_MAX; i++) { |
| out_chunk_t *ot; |
| if(TQ_FIRST(&cs->destination[i].chunks) == NULL) |
| continue; |
| |
| printf("\n/*** <<< %s [%s] >>> ***/\n\n", |
| _compiler_stream2str[i], |
| expr->Identifier); |
| |
| TQ_FOR(ot, &(cs->destination[i].chunks), next) { |
| safe_fwrite(ot->buf, ot->len, 1, stdout); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int |
| asn1c_save_streams(arg_t *arg, asn1c_dep_chainset *deps, const char* destdir, int optc, |
| char **argv) { |
| asn1p_expr_t *expr = arg->expr; |
| compiler_streams_t *cs = expr->data; |
| out_chunk_t *ot; |
| FILE *fp_c, *fp_h; |
| char *tmpname_c, *tmpname_h; |
| char name_buf[FILENAME_MAX]; |
| const char *header_id; |
| const char *c_retained = ""; |
| const char *h_retained = ""; |
| char *filename; |
| |
| if(cs == NULL) { |
| safe_fprintf(stderr, "Cannot compile %s at line %d\n", |
| expr->Identifier, expr->_lineno); |
| return -1; |
| } |
| |
| filename = strdup(asn1c_make_identifier(AMI_MASK_ONLY_SPACES, expr, (char*)0)); |
| fp_c = asn1c_open_file(destdir, filename, ".c", &tmpname_c); |
| fp_h = asn1c_open_file(destdir, filename, ".h", &tmpname_h); |
| if(fp_c == NULL || fp_h == NULL) { |
| if(fp_c) { unlink(tmpname_c); free(tmpname_c); fclose(fp_c); } |
| if(fp_h) { unlink(tmpname_h); free(tmpname_h); fclose(fp_h); } |
| return -1; |
| } |
| |
| generate_preamble(arg, fp_c, optc, argv); |
| generate_preamble(arg, fp_h, optc, argv); |
| |
| header_id = asn1c_make_identifier(0, expr, NULL); |
| safe_fprintf(fp_h, |
| "#ifndef\t_%s_H_\n" |
| "#define\t_%s_H_\n" |
| "\n", header_id, header_id); |
| |
| safe_fprintf(fp_h, "\n"); |
| HINCLUDE("asn_application.h"); |
| |
| #define SAVE_STREAM(fp, idx, msg, actdep) do { \ |
| if(TQ_FIRST(&(cs->destination[idx].chunks)) && *msg) \ |
| safe_fprintf(fp, "\n/* %s */\n", msg); \ |
| TQ_FOR(ot, &(cs->destination[idx].chunks), next) { \ |
| if(actdep) asn1c_activate_dependency(deps, ot->buf, header_id); \ |
| safe_fwrite(ot->buf, ot->len, 1, fp); \ |
| } \ |
| } while(0) |
| |
| SAVE_STREAM(fp_h, OT_INCLUDES, "Including external dependencies", 1); |
| |
| safe_fprintf(fp_h, "\n#ifdef __cplusplus\nextern \"C\" {\n#endif\n"); |
| SAVE_STREAM(fp_h, OT_DEPS, "Dependencies", 0); |
| SAVE_STREAM(fp_h, OT_FWD_DECLS, "Forward declarations", 0); |
| SAVE_STREAM(fp_h, OT_FWD_DEFS, "Forward definitions", 0); |
| SAVE_STREAM(fp_h, OT_TYPE_DECLS, expr->Identifier, 0); |
| SAVE_STREAM(fp_h, OT_FUNC_DECLS,"Implementation", 0); |
| safe_fprintf(fp_h, "\n#ifdef __cplusplus\n}\n#endif\n"); |
| |
| if(!(arg->flags & A1C_NO_INCLUDE_DEPS)) |
| SAVE_STREAM(fp_h, OT_POST_INCLUDE, "Referred external types", 1); |
| |
| safe_fprintf(fp_h, "\n#endif\t/* _%s_H_ */\n", header_id); |
| |
| HINCLUDE("asn_internal.h"); |
| safe_fprintf(fp_c, "#include \"%s.h\"\n\n", filename); |
| if(arg->flags & A1C_NO_INCLUDE_DEPS) |
| SAVE_STREAM(fp_c, OT_POST_INCLUDE, "", 1); |
| TQ_FOR(ot, &(cs->destination[OT_IOC_TABLES].chunks), next) |
| safe_fwrite(ot->buf, ot->len, 1, fp_c); |
| TQ_FOR(ot, &(cs->destination[OT_CTABLES].chunks), next) |
| safe_fwrite(ot->buf, ot->len, 1, fp_c); |
| TQ_FOR(ot, &(cs->destination[OT_CODE].chunks), next) |
| safe_fwrite(ot->buf, ot->len, 1, fp_c); |
| TQ_FOR(ot, &(cs->destination[OT_CTDEFS].chunks), next) |
| safe_fwrite(ot->buf, ot->len, 1, fp_c); |
| TQ_FOR(ot, &(cs->destination[OT_STAT_DEFS].chunks), next) |
| safe_fwrite(ot->buf, ot->len, 1, fp_c); |
| |
| assert(OT_MAX == 13); /* Protection from reckless changes */ |
| |
| fclose(fp_c); |
| fclose(fp_h); |
| |
| int ret = snprintf(name_buf, sizeof(name_buf), "%s%s.c", destdir, filename); |
| assert(ret > 0 && ret < (ssize_t)sizeof(name_buf)); |
| |
| if(identical_files(name_buf, tmpname_c)) { |
| c_retained = " (contents unchanged)"; |
| unlink(tmpname_c); |
| } else { |
| if(rename(tmpname_c, name_buf)) { |
| unlink(tmpname_c); |
| perror(tmpname_c); |
| free(tmpname_c); |
| free(tmpname_h); |
| return -1; |
| } |
| } |
| |
| sprintf(name_buf, "%s%s.h", destdir, filename); |
| if(identical_files(name_buf, tmpname_h)) { |
| h_retained = " (contents unchanged)"; |
| unlink(tmpname_h); |
| } else { |
| if(rename(tmpname_h, name_buf)) { |
| unlink(tmpname_h); |
| perror(tmpname_h); |
| free(tmpname_c); |
| free(tmpname_h); |
| return -1; |
| } |
| } |
| |
| free(tmpname_c); |
| free(tmpname_h); |
| |
| safe_fprintf(stderr, "Compiled %s%s.c%s\n", |
| destdir, filename, c_retained); |
| safe_fprintf(stderr, "Compiled %s%s.h%s\n", |
| destdir, filename, h_retained); |
| free(filename); |
| return 0; |
| } |
| |
| static int |
| generate_preamble(arg_t *arg, FILE *fp, int optc, char **argv) { |
| safe_fprintf(fp, |
| "/*\n" |
| " * Generated by asn1c-" VERSION " (http://lionet.info/asn1c)\n" |
| " * From ASN.1 module \"%s\"\n" |
| " * \tfound in \"%s\"\n", |
| arg->expr->module->ModuleName, |
| arg->expr->module->source_file_name); |
| if(optc > 1) { |
| int i; |
| safe_fprintf(fp, " * \t`asn1c "); |
| for(i = 1; i < optc; i++) |
| safe_fprintf(fp, "%s%s", i>1?" ":"", argv[i]); |
| safe_fprintf(fp, "`\n"); |
| } |
| safe_fprintf(fp, " */\n\n"); |
| return 0; |
| } |
| |
| static int |
| identical_files(const char *fname1, const char *fname2) { |
| char buf[2][4096]; |
| FILE *fp1, *fp2; |
| size_t olen, nlen; |
| int retval = 1; /* Files are identical */ |
| |
| #ifndef _WIN32 |
| struct stat sb; |
| |
| if(lstat(fname1, &sb) || !S_ISREG(sb.st_mode) |
| || lstat(fname2, &sb) || !S_ISREG(sb.st_mode)) { |
| return 0; /* Files are not identical */ |
| } |
| #endif |
| |
| fp1 = fopen(fname1, "r"); |
| if(!fp1) { return 0; } |
| fp2 = fopen(fname2, "r"); |
| if(!fp2) { fclose(fp1); return 0; } |
| |
| while((olen = fread(buf[0], 1, sizeof(buf[0]), fp1))) { |
| nlen = fread(buf[1], 1, olen, fp2); |
| if(nlen != olen || memcmp(buf[0], buf[1], nlen)) { |
| retval = 0; |
| break; |
| } |
| } |
| nlen = fread(buf[1], 1, 1, fp2); |
| if(nlen) retval = 0; |
| |
| fclose(fp1); |
| fclose(fp2); |
| return retval; |
| } |
| |
| /* |
| * Copy file for real. |
| */ |
| static int |
| real_copy(const char *src, const char *dst) { |
| unsigned char buf[4096]; |
| char *tmpname; |
| FILE *fpsrc, *fpdst; |
| size_t len; |
| int retval = 0; |
| |
| if(identical_files(src, dst)) |
| return retval; /* Success, no need to copy for real. */ |
| |
| fpsrc = fopen(src, "r"); |
| if(!fpsrc) { errno = EIO; return -1; } |
| fpdst = asn1c_open_file(NULL, dst, "", &tmpname); |
| if(!fpdst) { fclose(fpsrc); errno = EIO; return -1; } |
| |
| while(!feof(fpsrc)) { |
| len = fread(buf, 1, sizeof(buf), fpsrc); |
| if(safe_fwrite(buf, 1, len, fpdst) != len) { |
| perror(tmpname); |
| errno = EIO; |
| retval = -1; |
| break; |
| } |
| } |
| fclose(fpsrc); |
| fclose(fpdst); |
| |
| /* Check if copied correctly, and rename into a permanent name */ |
| if(retval) { |
| unlink(tmpname); |
| } else if(rename(tmpname, dst)) { |
| unlink(tmpname); |
| perror(tmpname); |
| retval = -1; |
| } |
| free(tmpname); |
| return retval; |
| } |
| |
| static int |
| asn1c_copy_over(arg_t *arg, const char* destdir, const char *path, const char *msg) { |
| #ifdef _WIN32 |
| int use_real_copy = 1; |
| #else |
| int use_real_copy = !(arg->flags & A1C_LINK_SKELETONS); |
| #endif |
| |
| const char *fname = a1c_basename(path, destdir); |
| if(!fname |
| || (use_real_copy ? real_copy(path, fname) : symlink(path, fname)) |
| ) { |
| if(errno == EEXIST) { |
| struct stat sb1, sb2; |
| if(stat(path, &sb1) == 0 |
| && stat(fname, &sb2) == 0 |
| && sb1.st_dev == sb2.st_dev |
| && sb1.st_ino == sb2.st_ino) { |
| /* |
| * Nothing to do. |
| */ |
| safe_fprintf(stderr, |
| "File %s is already here as %s\n", |
| path, fname); |
| return 1; |
| } else { |
| safe_fprintf(stderr, |
| "Retaining local %s (%s suggested)\n", |
| fname, path); |
| return 1; |
| } |
| } else if(errno == ENOENT) { |
| /* Ignore this */ |
| return 0; |
| } else { |
| safe_fprintf(stderr, "%s %s -> %s failed: %s\n", |
| use_real_copy ? "Copy" : "Symlink", |
| path, fname, strerror(errno)); |
| return -1; |
| } |
| } |
| |
| const int has_msg = msg && *msg; |
| safe_fprintf(stderr, "%s %s\t-> %s%s%s\n", |
| use_real_copy ? "Copied" : "Symlinked", path, fname, |
| has_msg ? " " : "", has_msg ? msg : ""); |
| |
| return 1; |
| } |
| |
| |
| static int |
| generate_pdu_collection_file(arg_t *arg, const char* destdir) { |
| abuf *buf = generate_pdu_collection(arg); |
| assert(buf); |
| |
| FILE *fp = asn1c_open_file(destdir, "pdu_collection", ".c", 0); |
| if(fp == NULL) { |
| perror("pdu_collection.c"); |
| return -1; |
| } |
| safe_fwrite(buf->buffer, buf->length, 1, fp); |
| fclose(fp); |
| |
| safe_fprintf(stderr, "Generated pdu_collection.c\n"); |
| return 0; |
| } |
| |
| static abuf * |
| generate_pdu_collection(arg_t *arg) { |
| asn1p_module_t *mod; |
| abuf *buf = abuf_new(); |
| |
| abuf_printf(buf, "/*\n * Generated by asn1c-" VERSION |
| " (http://lionet.info/asn1c)\n */\n\n"); |
| abuf_printf(buf, |
| "struct asn_TYPE_descriptor_s;\t" |
| "/* Forward declaration */\n\n"); |
| |
| |
| TQ_FOR(mod, &(arg->asn->modules), mod_next) { |
| TQ_FOR(arg->expr, &(mod->members), next) { |
| if(include_type_to_pdu_collection(arg) == TI_NOT_INCLUDED) continue; |
| abuf_printf(buf, |
| "extern struct asn_TYPE_descriptor_s " |
| "asn_DEF_%s;\n", |
| asn1c_make_identifier(0, arg->expr, NULL)); |
| } |
| } |
| |
| abuf_printf(buf, "\n\n"); |
| abuf_printf(buf, "struct asn_TYPE_descriptor_s *asn_pdu_collection[] = {\n"); |
| TQ_FOR(mod, &(arg->asn->modules), mod_next) { |
| int mod_printed = 0; |
| TQ_FOR(arg->expr, &(mod->members), next) { |
| switch(include_type_to_pdu_collection(arg)) { |
| case TI_NOT_INCLUDED: |
| continue; |
| case TI_INCLUDED_FROM_BULK: |
| /* Increment */ |
| asn1c__pdu_type_lookup(arg->expr->Identifier); |
| break; |
| case TI_INCLUDED_FROM_CMDLINE: |
| break; |
| } |
| if(!mod_printed++) { |
| abuf_printf(buf, "\t/* From module %s in %s */\n", |
| arg->expr->module->ModuleName, |
| arg->expr->module->source_file_name); |
| } |
| abuf_printf(buf, "\t&asn_DEF_%s,\t\n", |
| asn1c_make_identifier(0, arg->expr, NULL)); |
| } |
| } |
| |
| abuf_printf(buf, "\t0\n};\n\n"); |
| |
| if(pdu_collection_has_unused_types(arg)) { |
| abuf_free(buf); |
| return NULL; |
| } |
| |
| return buf; |
| } |
| |
| static struct PDUType { |
| char *typename; |
| int used; |
| } *pduType; |
| static size_t pduTypes; |
| |
| static const char * |
| generate_pdu_C_definition(void) { |
| const char *src; |
| char *def; |
| char *dst; |
| if(pduTypes == 0) return ""; |
| def = malloc(strlen(pduType[0].typename) + 20); |
| assert(def); |
| strcpy(def, "-DPDU="); |
| for(src = pduType[0].typename, dst = def + 6; *src; src++, dst++) { |
| if((*dst = *src) == '-') { |
| *dst = '_'; |
| } |
| } |
| *dst++ = ' '; |
| *dst = 0; |
| return def; |
| } |
| |
| void |
| asn1c__add_pdu_type(const char *ctypename) { |
| char *typename = strdup(ctypename); |
| assert(typename && *typename); |
| |
| pduType = realloc(pduType, sizeof(pduType[0]) * (pduTypes + 1)); |
| assert(pduType); |
| pduType[pduTypes].used = 0; |
| pduType[pduTypes].typename = typename; |
| pduTypes++; |
| } |
| |
| static void |
| asn1c__cleanup_pdu_type() { |
| for(size_t i = 0; i < pduTypes; i++) { |
| free(pduType[i].typename); |
| } |
| free(pduType); |
| pduType = NULL; |
| pduTypes = 0; |
| } |
| |
| static int |
| asn1c__pdu_type_lookup(const char *typename) { |
| for(size_t i = 0; i < pduTypes; i++) { |
| struct PDUType *pt = &pduType[i]; |
| if(strcmp(pt->typename, typename) == 0) { |
| pt->used++; |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static int |
| need_to_generate_pdu_collection(arg_t *arg) { |
| /* If -pdu=all or -pdu=auto are given, we need to generate one. */ |
| if(arg->flags & (A1C_PDU_ALL|A1C_PDU_AUTO)) |
| return 1; |
| |
| /* |
| * If no -pdu=... flags were given, need to do it, too, |
| * effectively producing -pdu=auto. |
| */ |
| if(!(arg->flags & (A1C_PDU_ALL | A1C_PDU_AUTO | A1C_PDU_TYPE))) return 1; |
| |
| if(arg->flags & A1C_PDU_TYPE) { |
| return (pduTypes > 1) ? 1 : 0; |
| } |
| return 0; |
| } |
| |
| static int |
| pdu_collection_has_unused_types(arg_t *arg) { |
| int ret = 0; |
| |
| for(size_t i = 0; i < pduTypes; i++) { |
| struct PDUType *pt = &pduType[i]; |
| if(!pt->used) { |
| FATAL("Unknown ASN.1 type specified in -pdu=%s", pt->typename); |
| ret = -1; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static enum include_type_result |
| include_type_to_pdu_collection(arg_t *arg) { |
| if(!asn1_lang_map[arg->expr->meta_type][arg->expr->expr_type].type_cb) |
| return 0; |
| |
| /* Parameterized types can't serve as PDU's without instantiation. */ |
| if(arg->expr->lhs_params) { |
| return 0; |
| } |
| |
| if((arg->flags & A1C_PDU_ALL) |
| /* -pdu=auto */ |
| || ((arg->flags & A1C_PDU_AUTO) && !arg->expr->_type_referenced) |
| /* No -pdu=... whatsoever, act as if -pdu=auto */ |
| || (!(arg->flags & (A1C_PDU_ALL | A1C_PDU_AUTO | A1C_PDU_TYPE)) |
| && !arg->expr->_type_referenced) |
| || asn1c__pdu_type_lookup(arg->expr->Identifier)) { |
| return 1; |
| } |
| |
| return 0; |
| } |