+++ /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