--- /dev/null
+#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 generate_constant_file(arg_t *arg, const char *destdir);
+
+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 &&
+ (arg->expr->meta_type != AMT_VALUE)) {
+ safe_fprintf(mkf, "\t\\\n\t%s%s.c", destdir,
+ asn1c_make_identifier(AMI_MASK_ONLY_SPACES | AMI_USE_PREFIX, 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 &&
+ (arg->expr->meta_type != AMT_VALUE)) {
+ safe_fprintf(
+ mkf, "\t\\\n\t%s%s.h", destdir,
+ asn1c_make_identifier(AMI_MASK_ONLY_SPACES | AMI_USE_PREFIX, 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) $(ASN_MODULE_HDRS)\n"
+ "libasncodec_la_CPPFLAGS=-I$(top_srcdir)/%s\n"
+ "libasncodec_la_CFLAGS=$(ASN_MODULE_CFLAGS)\n"
+ "libasncodec_la_LDFLAGS=-lm\n", destdir);
+ fclose(mkf);
+ safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name);
+
+ return 0;
+}
+
+static int
+asn1c__save_example_mk_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);
+
+ /* Generate converter-example.mk snippet */
+ 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
+asn1c__save_example_am_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);
+
+ /* Generate example.am snippet */
+ mkf = asn1c_open_file(destdir, makefile_name, "", 0);
+ if(mkf == NULL) {
+ return -1;
+ }
+ safe_fprintf(mkf,
+ "include %s%s\n\n"
+ "bin_PROGRAMS += asn1convert\n"
+ "asn1convert_CFLAGS = $(ASN_MODULE_CFLAGS) %s%s\n"
+ "asn1convert_CPPFLAGS = -I$(top_srcdir)/%s\n"
+ "asn1convert_LDADD = libasncodec.la\n"
+ "asn1convert_SOURCES = ",
+ destdir, library_makefile_name,
+ (arg->flags & A1C_PDU_TYPE) ? generate_pdu_C_definition() : "",
+ need_to_generate_pdu_collection(arg) ? "-DASN_PDU_COLLECTION " : "", destdir);
+
+ 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,
+ "\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
+asn1c__save_autotools_example(const char *destdir,
+ const char *program_makefile_name) {
+ FILE *fd;
+ const char* confac = "configure.ac";
+ const char* makeam = "Makefile.am";
+
+ if ((access(confac, F_OK) != -1)
+ || (access(makeam, F_OK) != -1))
+ {
+ safe_fprintf(stderr, "Refusing to overwrite existing '%s' or '%s'\n", confac, makeam);
+ return -1;
+ }
+
+ fd = asn1c_open_file("", confac, "", 0);
+ if(fd == NULL) {
+ perror(confac);
+ return -1;
+ }
+
+ safe_fprintf(fd,
+ "AC_INIT([asn1convert],[0.1])\n"
+ "AM_INIT_AUTOMAKE([-Werror foreign subdir-objects])\n"
+ "AC_PREREQ([2.62])\n"
+ "AC_PROG_CC\n"
+ "LT_INIT\n"
+ "AM_SILENT_RULES([yes])\n"
+ "AC_CONFIG_FILES([Makefile])\n"
+ "AC_OUTPUT\n");
+ fclose(fd);
+ safe_fprintf(stderr, "Generated minimal example %s\n", confac);
+
+ fd = asn1c_open_file("", makeam, "", 0);
+ if(fd == NULL) {
+ perror(makeam);
+ return -1;
+ }
+
+ safe_fprintf(fd,
+ "bin_PROGRAMS =\n"
+ "lib_LTLIBRARIES =\n"
+ "include %s%s\n\n",
+ destdir, program_makefile_name);
+
+ fclose(fd);
+ safe_fprintf(stderr, "Generated minimal example %s\n", makeam);
+ safe_fprintf(stderr, "\nRun the following to generate a configure script:\n");
+ safe_fprintf(stderr, "$ autoreconf --force --install\n");
+ 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* example_am_makefile = "Makefile.am.asn1convert";
+ const char* program_makefile = "converter-example.mk";
+ 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 &&
+ (arg->expr->meta_type != AMT_VALUE)) {
+ ret = asn1c_dump_streams(arg, deps, destdir, optc, argv);
+ if(ret) 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;
+ }
+
+ if(ret) 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_mk_makefile(arg, deps, datadir, destdir,
+ program_makefile,
+ library_makefile, argc, argv);
+ if(ret) break;
+ ret = asn1c__save_example_am_makefile(arg, deps, datadir, destdir,
+ example_am_makefile,
+ library_makefile, argc, argv);
+ if(ret) break;
+
+ if(arg->flags & A1C_GEN_AUTOTOOLS_EXAMPLE) {
+ ret = asn1c__save_autotools_example(destdir, example_am_makefile);
+ if(ret) break;
+ }
+ }
+ } while(0);
+
+ asn1c_dep_chainset_free(deps);
+ asn1c__cleanup_pdu_type();
+
+ generate_constant_file(arg, destdir);
+
+ 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 | AMI_USE_PREFIX,
+ expr, (char*)0));
+ fp_c = asn1c_open_file(destdir, filename, ".c", &tmpname_c);
+ if(fp_c == NULL) {
+ return -1;
+ }
+ fp_h = asn1c_open_file(destdir, filename, ".h", &tmpname_h);
+ if(fp_h == NULL) {
+ unlink(tmpname_c);
+ free(tmpname_c);
+ fclose(fp_c);
+ return -1;
+ }
+
+ generate_preamble(arg, fp_c, optc, argv);
+ generate_preamble(arg, fp_h, optc, argv);
+
+ header_id = asn1c_make_identifier(AMI_USE_PREFIX, 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, filename, 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(AMI_USE_PREFIX, 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(AMI_USE_PREFIX, 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 ||
+ (arg->expr->meta_type == AMT_VALUE))
+ 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;
+}
+
+static abuf *
+generate_constant_collection(arg_t *arg) {
+ asn1p_module_t *mod;
+ abuf *buf = abuf_new();
+ int empty_file = 1;
+
+ abuf_printf(buf, "/*\n * Generated by asn1c-" VERSION
+ " (http://lionet.info/asn1c)\n */\n\n");
+ abuf_printf(buf, "#ifndef _%sASN_CONSTANT_H\n#define _%sASN_CONSTANT_H\n\n", asn1c_prefix(), asn1c_prefix());
+
+ abuf_printf(buf, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n\n");
+
+ TQ_FOR(mod, &(arg->asn->modules), mod_next) {
+ TQ_FOR(arg->expr, &(mod->members), next) {
+ if(arg->expr->meta_type != AMT_VALUE)
+ continue;
+
+ if(arg->expr->expr_type == ASN_BASIC_INTEGER) {
+ abuf_printf(buf, "#define %s (%s)\n",
+ asn1c_make_identifier(AMI_USE_PREFIX, arg->expr, 0),
+ asn1p_itoa(arg->expr->value->value.v_integer));
+ empty_file = 0;
+ }
+ }
+ }
+
+ abuf_printf(buf, "\n\n#ifdef __cplusplus\n}\n#endif\n\n#endif /* _%sASN_CONSTANT_H */\n", asn1c_prefix());
+
+ if(empty_file) {
+ abuf_free(buf);
+ return 0;
+ }
+ return buf;
+}
+
+static int
+generate_constant_file(arg_t *arg, const char *destdir) {
+ abuf *buf = generate_constant_collection(arg);
+ char *filename;
+ int filename_len;
+
+ if(!buf) return 0;
+
+ filename_len = strlen(asn1c_prefix()) + strlen("asn_constant");
+ filename = calloc(filename_len + 1, 1);
+ snprintf(filename, filename_len + 1, "%sasn_constant", asn1c_prefix());
+
+ if(arg->flags & A1C_PRINT_COMPILED) {
+ printf("\n/*** <<< asn_constant.h >>> ***/\n\n");
+ safe_fwrite(buf->buffer, buf->length, 1, stdout);
+ } else {
+
+ FILE *fp = asn1c_open_file(destdir, filename, ".h", 0);
+ if(fp == NULL) {
+ perror("asn_constant.h");
+ return -1;
+ }
+ safe_fwrite(buf->buffer, buf->length, 1, fp);
+ fclose(fp);
+ }
+ safe_fprintf(stderr, "Generated %s.h\n", filename);
+ free(filename);
+ abuf_free(buf);
+ return 0;
+}
Code Review / com / asn1c.git / blobdiff