configure: allow adding compiler-specific warning flags
[babeltrace.git] / src / cli / babeltrace2-cfg-cli-args.c
index 0f33f86a824340fed12e8d9857003afabae967aa..e80689bee0f714cc07a25e9f34dc92418a70ff52 100644 (file)
 #include "babeltrace2-cfg.h"
 #include "babeltrace2-cfg-cli-args.h"
 #include "babeltrace2-cfg-cli-args-connect.h"
-#include "babeltrace2-cfg-cli-params-arg.h"
+#include "param-parse/param-parse.h"
 #include "babeltrace2-log-level.h"
 #include "babeltrace2-plugins.h"
 #include "babeltrace2-query.h"
 #include "autodisc/autodisc.h"
 #include "common/version.h"
 
-/* INI-style parsing FSM states */
-enum ini_parsing_fsm_state {
-       /* Expect a map key (identifier) */
-       INI_EXPECT_MAP_KEY,
-
-       /* Expect an equal character ('=') */
-       INI_EXPECT_EQUAL,
-
-       /* Expect a value */
-       INI_EXPECT_VALUE,
-
-       /* Expect a comma character (',') */
-       INI_EXPECT_COMMA,
-};
-
-/* INI-style parsing state variables */
-struct ini_parsing_state {
-       /* Lexical scanner (owned by this) */
-       GScanner *scanner;
-
-       /* Output map value object being filled (owned by this) */
-       bt_value *params;
-
-       /* Next expected FSM state */
-       enum ini_parsing_fsm_state expecting;
-
-       /* Last decoded map key (owned by this) */
-       char *last_map_key;
-
-       /* Complete INI-style string to parse (not owned by this) */
-       const char *arg;
-
-       /* Error buffer (not owned by this) */
-       GString *ini_error;
-};
-
 /* Offset option with "is set" boolean */
 struct offset_opt {
        int64_t value;
@@ -524,9 +488,9 @@ GScanner *create_csv_identifiers_scanner(void)
 {
        GScanner *scanner;
        GScannerConfig scanner_config = {
-               .cset_skip_characters = " \t\n",
-               .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_",
-               .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-",
+               .cset_skip_characters = (gchar *) " \t\n",
+               .cset_identifier_first = (gchar *) G_CSET_a_2_z G_CSET_A_2_Z "_",
+               .cset_identifier_nth = (gchar *) G_CSET_a_2_z G_CSET_A_2_Z ":_-",
                .case_sensitive = TRUE,
                .cpair_comment_single = NULL,
                .skip_comment_multi = TRUE,
@@ -771,7 +735,7 @@ int insert_flat_params_from_array(GString *params_arg,
                const bt_value *names_array, const char *prefix)
 {
        int ret = 0;
-       int i;
+       uint64_t i;
        GString *tmpstr = NULL, *default_value = NULL;
        bool default_set = false, non_default_set = false;
 
@@ -800,16 +764,10 @@ int insert_flat_params_from_array(GString *params_arg,
        for (i = 0; i < bt_value_array_get_length(names_array); i++) {
                const bt_value *str_obj =
                        bt_value_array_borrow_element_by_index_const(names_array,
-                                                                    i);
+                               i);
                const char *suffix;
                bool is_default = false;
 
-               if (!str_obj) {
-                       BT_CLI_LOGE_APPEND_CAUSE("Unexpected error.");
-                       ret = -1;
-                       goto end;
-               }
-
                suffix = bt_value_string_get(str_obj);
 
                g_string_assign(tmpstr, prefix);
@@ -1382,6 +1340,8 @@ struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
        char *plugin_name = NULL, *comp_cls_name = NULL;
        struct bt_argpar_parse_ret argpar_parse_ret = { 0 };
        struct bt_argpar_item_non_opt *non_opt;
+       GString *substring = NULL;
+       size_t end_pos;
 
        *retcode = 0;
        cfg = bt_config_help_create(plugin_paths, default_log_level);
@@ -1423,18 +1383,36 @@ struct bt_config *bt_config_help_from_args(int argc, const char *argv[],
        }
 
        non_opt = argpar_parse_ret.items->pdata[0];
-       plugin_comp_cls_names(non_opt->arg, NULL, &plugin_name, &comp_cls_name,
-               &cfg->cmd_data.help.cfg_component->type);
-       if (plugin_name && comp_cls_name) {
-               /* Component class help */
+
+       /* Look for unescaped dots in the argument. */
+       substring = bt_common_string_until(non_opt->arg, ".\\", ".", &end_pos);
+       if (!substring) {
+               BT_CLI_LOGE_APPEND_CAUSE("Could not consume argument: arg=%s",
+                       non_opt->arg);
+               goto error;
+       }
+
+       if (end_pos == strlen(non_opt->arg)) {
+               /* Didn't find an unescaped dot, treat it as a plugin name. */
+               g_string_assign(cfg->cmd_data.help.cfg_component->plugin_name,
+                       non_opt->arg);
+       } else {
+               /*
+                * Found an unescaped dot, treat it as a component class name.
+                */
+               plugin_comp_cls_names(non_opt->arg, NULL, &plugin_name, &comp_cls_name,
+                       &cfg->cmd_data.help.cfg_component->type);
+               if (!plugin_name || !comp_cls_name) {
+                       BT_CLI_LOGE_APPEND_CAUSE(
+                               "Could not parse argument as a component class name: arg=%s",
+                               non_opt->arg);
+                       goto error;
+               }
+
                g_string_assign(cfg->cmd_data.help.cfg_component->plugin_name,
                        plugin_name);
                g_string_assign(cfg->cmd_data.help.cfg_component->comp_cls_name,
                        comp_cls_name);
-       } else {
-               /* Fall back to plugin help */
-               g_string_assign(cfg->cmd_data.help.cfg_component->plugin_name,
-                       non_opt->arg);
        }
 
        goto end;
@@ -1447,6 +1425,10 @@ end:
        g_free(plugin_name);
        g_free(comp_cls_name);
 
+       if (substring) {
+               g_string_free(substring, TRUE);
+       }
+
        bt_argpar_parse_ret_fini(&argpar_parse_ret);
 
        return cfg;
@@ -1492,12 +1474,14 @@ struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
        struct bt_config *cfg = NULL;
        const char *component_class_spec = NULL;
        const char *query_object = NULL;
-       bt_value *params;
        GString *error_str = NULL;
        struct bt_argpar_parse_ret argpar_parse_ret = { 0 };
 
-       params = bt_value_null;
-       bt_value_get_ref(bt_value_null);
+       bt_value *params = bt_value_map_create();
+       if (!params) {
+               BT_CLI_LOGE_APPEND_CAUSE_OOM();
+               goto error;
+       }
 
        *retcode = 0;
        cfg = bt_config_query_create(plugin_paths);
@@ -1539,13 +1523,21 @@ struct bt_config *bt_config_query_from_args(int argc, const char *argv[],
                        switch (argpar_item_opt->descr->id) {
                        case OPT_PARAMS:
                        {
-                               bt_value_put_ref(params);
-                               params = cli_value_from_arg(arg, error_str);
-                               if (!params) {
+                               bt_value *parsed_params = bt_param_parse(arg, error_str);
+                               bt_value_map_extend_status extend_status;
+                               if (!parsed_params) {
                                        BT_CLI_LOGE_APPEND_CAUSE("Invalid format for --params option's argument:\n    %s",
                                                error_str->str);
                                        goto error;
                                }
+
+                               extend_status = bt_value_map_extend(params, parsed_params);
+                               BT_VALUE_PUT_REF_AND_RESET(parsed_params);
+                               if (extend_status) {
+                                       BT_CLI_LOGE_APPEND_CAUSE("Cannot extend current parameters with --params option's argument:\n    %s",
+                                               arg);
+                                       goto error;
+                               }
                                break;
                        }
                        default:
@@ -1931,7 +1923,6 @@ struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
                case OPT_PARAMS:
                {
                        bt_value *params;
-                       bt_value *params_to_set;
 
                        if (!cur_cfg_comp) {
                                BT_CLI_LOGE_APPEND_CAUSE("Cannot add parameters to unavailable component:\n    %s",
@@ -1939,15 +1930,15 @@ struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
                                goto error;
                        }
 
-                       params = cli_value_from_arg(arg, error_str);
+                       params = bt_param_parse(arg, error_str);
                        if (!params) {
                                BT_CLI_LOGE_APPEND_CAUSE("Invalid format for --params option's argument:\n    %s",
                                        error_str->str);
                                goto error;
                        }
 
-                       extend_status = bt_value_map_extend(
-                               cur_cfg_comp->params, params, &params_to_set);
+                       extend_status = bt_value_map_extend(cur_cfg_comp->params,
+                               params);
                        BT_VALUE_PUT_REF_AND_RESET(params);
                        if (extend_status != BT_VALUE_MAP_EXTEND_STATUS_OK) {
                                BT_CLI_LOGE_APPEND_CAUSE("Cannot extend current component parameters with --params option's argument:\n    %s",
@@ -1955,7 +1946,6 @@ struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
                                goto error;
                        }
 
-                       BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set);
                        break;
                }
                case OPT_LOG_LEVEL:
@@ -1975,7 +1965,7 @@ struct bt_config *bt_config_run_from_args(int argc, const char *argv[],
                        break;
                case OPT_BASE_PARAMS:
                {
-                       bt_value *params = cli_value_from_arg(arg, error_str);
+                       bt_value *params = bt_param_parse(arg, error_str);
 
                        if (!params) {
                                BT_CLI_LOGE_APPEND_CAUSE("Invalid format for --base-params option's argument:\n    %s",
@@ -2077,33 +2067,27 @@ struct bt_config *bt_config_run_from_args_array(const bt_value *run_args,
 {
        struct bt_config *cfg = NULL;
        const char **argv;
-       int64_t i, len;
-       const size_t argc = bt_value_array_get_length(run_args);
+       uint64_t i, len = bt_value_array_get_length(run_args);
 
-       argv = calloc(argc, sizeof(*argv));
+       BT_ASSERT(len <= SIZE_MAX);
+       argv = calloc((size_t) len, sizeof(*argv));
        if (!argv) {
                BT_CLI_LOGE_APPEND_CAUSE_OOM();
                goto end;
        }
 
-       len = bt_value_array_get_length(run_args);
-       if (len < 0) {
-               BT_CLI_LOGE_APPEND_CAUSE("Invalid executable arguments.");
-               goto end;
-       }
        for (i = 0; i < len; i++) {
                const bt_value *arg_value =
                        bt_value_array_borrow_element_by_index_const(run_args,
-                                                                    i);
+                               i);
                const char *arg;
 
-               BT_ASSERT(arg_value);
                arg = bt_value_string_get(arg_value);
                BT_ASSERT(arg);
                argv[i] = arg;
        }
 
-       cfg = bt_config_run_from_args(argc, argv, retcode,
+       cfg = bt_config_run_from_args((int) len, argv, retcode,
                plugin_paths, default_log_level);
 
 end:
@@ -2148,6 +2132,8 @@ void print_convert_usage(FILE *fp)
        fprintf(fp, "\n");
        fprintf(fp, "Implicit `source.ctf.fs` component options:\n");
        fprintf(fp, "\n");
+       fprintf(fp, "      --clock-force-correlate       Force the origin of all clocks\n");
+       fprintf(fp, "                                    to the Unix epoch\n");
        fprintf(fp, "      --clock-offset=SEC            Set clock offset to SEC seconds\n");
        fprintf(fp, "      --clock-offset-ns=NS          Set clock offset to NS ns\n");
        fprintf(fp, "\n");
@@ -2175,11 +2161,6 @@ void print_convert_usage(FILE *fp)
        fprintf(fp, "  -w, --output=PATH                 Write output text to PATH instead of\n");
        fprintf(fp, "                                    the standard output\n");
        fprintf(fp, "\n");
-       fprintf(fp, "Implicit `filter.utils.muxer` component options:\n");
-       fprintf(fp, "\n");
-       fprintf(fp, "      --clock-force-correlate       Assume that clocks are inherently\n");
-       fprintf(fp, "                                    correlated across traces\n");
-       fprintf(fp, "\n");
        fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n");
        fprintf(fp, "\n");
        fprintf(fp, "  -b, --begin=BEGIN                 Set the beginning time of the conversion\n");
@@ -2364,7 +2345,7 @@ int append_run_args_for_implicit_component(
                bt_value *run_args)
 {
        int ret = 0;
-       size_t i;
+       uint64_t i;
        GString *component_arg_for_run = NULL;
 
        if (!impl_args->exists) {
@@ -2407,16 +2388,12 @@ int append_run_args_for_implicit_component(
                }
        }
 
-       for (i = 0; i < bt_value_array_get_length(impl_args->extra_params);
-                       i++) {
+       for (i = 0; i < bt_value_array_get_length(impl_args->extra_params); i++) {
                const bt_value *elem;
                const char *arg;
 
-               elem = bt_value_array_borrow_element_by_index(impl_args->extra_params,
-                                                             i);
-               if (!elem) {
-                       goto error;
-               }
+               elem = bt_value_array_borrow_element_by_index(
+                       impl_args->extra_params, i);
 
                BT_ASSERT(bt_value_is_string(elem));
                arg = bt_value_string_get(elem);
@@ -2618,7 +2595,6 @@ int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf)
                uint64_t sz = bt_value_array_get_length(value);
                for (uint64_t i = 0; i < sz; i++) {
                        const bt_value *item;
-                       int ret;
 
                        if (i > 0) {
                                g_string_append(buf, ", ");
@@ -3229,6 +3205,7 @@ struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
        const char *auto_source_discovery_restrict_plugin_name = NULL;
        const char *auto_source_discovery_restrict_component_class_name = NULL;
 
+       bool ctf_fs_source_force_clock_class_unix_epoch_origin = false;
        gchar *ctf_fs_source_clock_class_offset_arg = NULL;
        gchar *ctf_fs_source_clock_class_offset_ns_arg = NULL;
        *retcode = 0;
@@ -3701,9 +3678,7 @@ struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
                        implicit_text_args.exists = true;
                        break;
                case OPT_CLOCK_FORCE_CORRELATE:
-                       append_implicit_component_param(
-                               &implicit_muxer_args,
-                               "assume-absolute-clock-classes", "yes");
+                       ctf_fs_source_force_clock_class_unix_epoch_origin = true;
                        break;
                case OPT_CLOCK_GMT:
                        append_implicit_component_param(
@@ -4112,6 +4087,23 @@ struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
                }
        }
 
+
+       /*
+        * If --clock-force-correlated was given, apply it to any src.ctf.fs
+        * component.
+        */
+       if (ctf_fs_source_force_clock_class_unix_epoch_origin) {
+               int n;
+
+               n = append_multiple_implicit_components_param(
+                       discovered_source_args, "source.ctf.fs", "force-clock-class-origin-unix-epoch",
+                       "yes");
+               if (n == 0) {
+                       BT_CLI_LOGE_APPEND_CAUSE("--clock-force-correlate specified, but no source.ctf.fs component instantiated.");
+                       goto error;
+               }
+       }
+
        /* If --clock-offset was given, apply it to any src.ctf.fs component. */
        if (ctf_fs_source_clock_class_offset_arg) {
                int n;
@@ -4330,20 +4322,21 @@ struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
         * here.
         */
        if (print_run_args || print_run_args_0) {
+               uint64_t args_idx, args_len;
                if (stream_intersection_mode) {
                        BT_CLI_LOGE_APPEND_CAUSE("Cannot specify --stream-intersection with --run-args or --run-args-0.");
                        goto error;
                }
 
-               for (i = 0; i < bt_value_array_get_length(run_args); i++) {
+               args_len = bt_value_array_get_length(run_args);
+               for (args_idx = 0; args_idx < args_len; args_idx++) {
                        const bt_value *arg_value =
                                bt_value_array_borrow_element_by_index(run_args,
-                                                                      i);
+                                       args_idx);
                        const char *arg;
                        GString *quoted = NULL;
                        const char *arg_to_print;
 
-                       BT_ASSERT(arg_value);
                        arg = bt_value_string_get(arg_value);
 
                        if (print_run_args) {
@@ -4363,7 +4356,7 @@ struct bt_config *bt_config_convert_from_args(int argc, const char *argv[],
                                g_string_free(quoted, TRUE);
                        }
 
-                       if (i < bt_value_array_get_length(run_args) - 1) {
+                       if (args_idx < args_len - 1) {
                                if (print_run_args) {
                                        putchar(' ');
                                } else {
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