void dump_disassembly(int indent, struct bytecode* bc) {
if (bc->nclosures > 0) {
printf("%*s[params: ", indent, "");
jv params = jv_object_get(jv_copy(bc->debuginfo), jv_string("params"));
for (int i=0; i<bc->nclosures; i++) {
if (i) printf(", ");
jv name = jv_array_get(jv_copy(params), i);
printf("%s", jv_string_value(name));
jv_free(name);
}
jv_free(params);
printf("]\n");
}
dump_code(indent, bc);
for (int i=0; i<bc->nsubfunctions; i++) {
struct bytecode* subfn = bc->subfunctions[i];
jv name = jv_object_get(jv_copy(subfn->debuginfo), jv_string("name"));
printf("%*s%s:%d:\n", indent, "", jv_string_value(name), i);
jv_free(name);
dump_disassembly(indent+2, subfn);
}
}
void jq_dump_disassembly(jq_state *jq, int indent) {
dump_disassembly(indent, jq->bc);
}
static void run_jq_tests(FILE *testdata) {
char buf[4096];
int tests = 0, passed = 0, invalid = 0;
jq_state *jq = NULL;
while (1) {
if (!fgets(buf, sizeof(buf), testdata)) break;
if (skipline(buf)) continue;
if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
printf("Testing %s\n", buf);
int pass = 1;
tests++;
struct bytecode* bc = jq_compile(buf);
if (!bc) {invalid++; continue;}
printf("Disassembly:\n");
dump_disassembly(2, bc);
printf("\n");
fgets(buf, sizeof(buf), testdata);
jv input = jv_parse(buf);
if (!jv_is_valid(input)){ invalid++; continue; }
jq_init(bc, input, &jq, JQ_DEBUG_TRACE);
while (fgets(buf, sizeof(buf), testdata)) {
if (skipline(buf)) break;
jv expected = jv_parse(buf);
if (!jv_is_valid(expected)){ invalid++; continue; }
jv actual = jq_next(jq);
if (!jv_is_valid(actual)) {
jv_free(actual);
printf("*** Insufficient results\n");
pass = 0;
break;
} else if (!jv_equal(jv_copy(expected), jv_copy(actual))) {
printf("*** Expected ");
jv_dump(jv_copy(expected), 0);
printf(", but got ");
jv_dump(jv_copy(actual), 0);
printf("\n");
pass = 0;
}
jv as_string = jv_dump_string(jv_copy(expected), rand() & ~JV_PRINT_COLOUR);
jv reparsed = jv_parse_sized(jv_string_value(as_string), jv_string_length_bytes(jv_copy(as_string)));
assert(jv_equal(jv_copy(expected), jv_copy(reparsed)));
jv_free(as_string);
jv_free(reparsed);
jv_free(expected);
jv_free(actual);
}
if (pass) {
jv extra = jq_next(jq);
if (jv_is_valid(extra)) {
printf("*** Superfluous result: ");
jv_dump(extra, 0);
printf("\n");
pass = 0;
} else {
jv_free(extra);
}
}
jq_teardown(&jq);
bytecode_free(bc);
passed+=pass;
}
printf("%d of %d tests passed (%d malformed)\n", passed,tests,invalid);
if (passed != tests) exit(1);
}
int main(int argc, char* argv[]) {
if (argc) progname = argv[0];
const char* program = 0;
for (int i=1; i<argc; i++) {
if (!isoptish(argv[i])) {
if (program) usage();
program = argv[i];
} else if (isoption(argv[i], 's', "slurp")) {
options |= SLURP;
} else if (isoption(argv[i], 'r', "raw-output")) {
options |= RAW_OUTPUT;
} else if (isoption(argv[i], 'c', "compact-output")) {
options |= COMPACT_OUTPUT;
} else if (isoption(argv[i], 'a', "ascii-output")) {
options |= ASCII_OUTPUT;
} else if (isoption(argv[i], 'R', "raw-input")) {
options |= RAW_INPUT;
} else if (isoption(argv[i], 'n', "null-input")) {
options |= PROVIDE_NULL;
} else if (isoption(argv[i], 'h', "help")) {
usage();
} else {
fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
die();
}
}
if (!program) usage();
if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", program);
die();
}
bc = jq_compile(program);
if (!bc) return 1;
#if JQ_DEBUG
dump_disassembly(0, bc);
printf("\n");
#endif
if (options & PROVIDE_NULL) {
process(jv_null());
} else {
jv slurped;
if (options & SLURP) slurped = jv_invalid();
int first = 1;
struct jv_parser parser;
jv_parser_init(&parser);
while (!feof(stdin)) {
char buf[4096];
if (!fgets(buf, sizeof(buf), stdin)) buf[0] = 0;
if (options & RAW_INPUT) {
int len = strlen(buf);
if (len > 0) {
if (options & SLURP) {
if (first) slurped = jv_string(buf);
else slurped = jv_string_concat(slurped, jv_string(buf));
} else {
if (buf[len-1] == '\n') buf[len-1] = 0;
process(jv_string(buf));
}
}
} else {
jv_parser_set_buf(&parser, buf, strlen(buf), !feof(stdin));
jv value;
while (jv_is_valid((value = jv_parser_next(&parser)))) {
if (options & SLURP) {
if (first) slurped = jv_array();
slurped = jv_array_append(slurped, value);
} else {
process(value);
}
}
if (jv_invalid_has_msg(jv_copy(value))) {
jv msg = jv_invalid_get_msg(value);
fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
jv_free(msg);
break;
} else {
jv_free(value);
}
}
first = 0;
}
jv_parser_free(&parser);
if (options & SLURP) {
if (jv_is_valid(slurped)) {
process(slurped);
} else {
jv_free(slurped);
}
}
}
bytecode_free(bc);
return 0;
}
int main(int argc, char* argv[]) {
int ret = 0;
if (argc) progname = argv[0];
if (argc > 1 && !strcmp(argv[1], "--run-tests")) {
return jq_testsuite(argc - 1, argv + 1);
}
const char* program = 0;
input_filenames = jv_mem_alloc(sizeof(const char*) * argc);
ninput_files = 0;
int further_args_are_files = 0;
int jq_flags = 0;
jv program_arguments = jv_array();
for (int i=1; i<argc; i++) {
if (further_args_are_files) {
input_filenames[ninput_files++] = argv[i];
} else if (!strcmp(argv[i], "--")) {
if (!program) usage();
further_args_are_files = 1;
} else if (!isoptish(argv[i])) {
if (program) {
input_filenames[ninput_files++] = argv[i];
} else {
program = argv[i];
}
} else if (isoption(argv[i], 's', "slurp")) {
options |= SLURP;
} else if (isoption(argv[i], 'r', "raw-output")) {
options |= RAW_OUTPUT;
} else if (isoption(argv[i], 'c', "compact-output")) {
options |= COMPACT_OUTPUT;
} else if (isoption(argv[i], 'C', "color-output")) {
options |= COLOUR_OUTPUT;
} else if (isoption(argv[i], 'M', "monochrome-output")) {
options |= NO_COLOUR_OUTPUT;
} else if (isoption(argv[i], 'a', "ascii-output")) {
options |= ASCII_OUTPUT;
} else if (isoption(argv[i], 'R', "raw-input")) {
options |= RAW_INPUT;
} else if (isoption(argv[i], 'n', "null-input")) {
options |= PROVIDE_NULL;
} else if (isoption(argv[i], 'f', "from-file")) {
options |= FROM_FILE;
} else if (isoption(argv[i], 0, "arg")) {
if (i >= argc - 2) {
fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
die();
}
jv arg = jv_object();
arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
program_arguments = jv_array_append(program_arguments, arg);
i += 2; // skip the next two arguments
} else if (isoption(argv[i], 0, "debug-dump-disasm")) {
options |= DUMP_DISASM;
} else if (isoption(argv[i], 0, "debug-trace")) {
jq_flags |= JQ_DEBUG_TRACE;
} else if (isoption(argv[i], 'h', "help")) {
usage();
} else if (isoption(argv[i], 'V', "version")) {
fprintf(stderr, "jq version %s\n", PACKAGE_VERSION);
return 0;
} else {
fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
die();
}
}
if (!program) usage();
if (ninput_files == 0) current_input = stdin;
if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", progname);
die();
}
if (options & FROM_FILE) {
jv data = slurp_file(program);
if (!jv_is_valid(data)) {
data = jv_invalid_get_msg(data);
fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
jv_free(data);
return 1;
}
bc = jq_compile_args(jv_string_value(data), program_arguments);
jv_free(data);
} else {
bc = jq_compile_args(program, program_arguments);
}
if (!bc) return 1;
if (options & DUMP_DISASM) {
dump_disassembly(0, bc);
printf("\n");
}
if (options & PROVIDE_NULL) {
process(jv_null(), jq_flags);
} else {
jv slurped;
if (options & SLURP) {
if (options & RAW_INPUT) {
slurped = jv_string("");
} else {
slurped = jv_array();
}
}
struct jv_parser parser;
jv_parser_init(&parser);
char buf[4096];
while (read_more(buf, sizeof(buf))) {
if (options & RAW_INPUT) {
int len = strlen(buf);
if (len > 0) {
if (options & SLURP) {
slurped = jv_string_concat(slurped, jv_string(buf));
} else {
if (buf[len-1] == '\n') buf[len-1] = 0;
process(jv_string(buf), jq_flags);
}
}
} else {
jv_parser_set_buf(&parser, buf, strlen(buf), !feof(stdin));
jv value;
while (jv_is_valid((value = jv_parser_next(&parser)))) {
if (options & SLURP) {
slurped = jv_array_append(slurped, value);
} else {
process(value, jq_flags);
}
}
if (jv_invalid_has_msg(jv_copy(value))) {
jv msg = jv_invalid_get_msg(value);
fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
jv_free(msg);
ret = 1;
break;
} else {
jv_free(value);
}
}
}
jv_parser_free(&parser);
if (ret != 0)
goto out;
if (options & SLURP) {
process(slurped, jq_flags);
}
}
out:
jv_mem_free(input_filenames);
bytecode_free(bc);
return ret;
}