diff options
Diffstat (limited to 'src/parse.c')
-rw-r--r-- | src/parse.c | 340 |
1 files changed, 132 insertions, 208 deletions
diff --git a/src/parse.c b/src/parse.c index 18a1064..17fe8ad 100644 --- a/src/parse.c +++ b/src/parse.c @@ -55,50 +55,6 @@ static char *fake_print_arg = "-print"; static char *fake_true_arg = "-true"; /** - * Create a new unary expression. - */ -static struct bfs_expr *new_unary_expr(bfs_eval_fn *eval_fn, struct bfs_expr *rhs, char **argv) { - struct bfs_expr *expr = bfs_expr_new(eval_fn, 1, argv); - if (!expr) { - bfs_expr_free(rhs); - return NULL; - } - - expr->lhs = NULL; - expr->rhs = rhs; - bfs_assert(bfs_expr_is_parent(expr)); - - expr->persistent_fds = rhs->persistent_fds; - expr->ephemeral_fds = rhs->ephemeral_fds; - return expr; -} - -/** - * Create a new binary expression. - */ -static struct bfs_expr *new_binary_expr(bfs_eval_fn *eval_fn, struct bfs_expr *lhs, struct bfs_expr *rhs, char **argv) { - struct bfs_expr *expr = bfs_expr_new(eval_fn, 1, argv); - if (!expr) { - bfs_expr_free(rhs); - bfs_expr_free(lhs); - return NULL; - } - - expr->lhs = lhs; - expr->rhs = rhs; - bfs_assert(bfs_expr_is_parent(expr)); - - expr->persistent_fds = lhs->persistent_fds + rhs->persistent_fds; - if (lhs->ephemeral_fds > rhs->ephemeral_fds) { - expr->ephemeral_fds = lhs->ephemeral_fds; - } else { - expr->ephemeral_fds = rhs->ephemeral_fds; - } - - return expr; -} - -/** * Color use flags. */ enum use_color { @@ -344,6 +300,58 @@ static bool parse_expr_warning(const struct bfs_parser *parser, const struct bfs } /** + * Allocate a new expression. + */ +static struct bfs_expr *parse_new_expr(const struct bfs_parser *parser, bfs_eval_fn *eval_fn, size_t argc, char **argv) { + struct bfs_expr *expr = bfs_expr_new(parser->ctx, eval_fn, argc, argv); + if (!expr) { + parse_perror(parser, "bfs_expr_new()"); + } + return expr; +} + +/** + * Create a new unary expression. + */ +static struct bfs_expr *new_unary_expr(const struct bfs_parser *parser, bfs_eval_fn *eval_fn, struct bfs_expr *rhs, char **argv) { + struct bfs_expr *expr = parse_new_expr(parser, eval_fn, 1, argv); + if (!expr) { + return NULL; + } + + expr->lhs = NULL; + expr->rhs = rhs; + bfs_assert(bfs_expr_is_parent(expr)); + + expr->persistent_fds = rhs->persistent_fds; + expr->ephemeral_fds = rhs->ephemeral_fds; + return expr; +} + +/** + * Create a new binary expression. + */ +static struct bfs_expr *new_binary_expr(const struct bfs_parser *parser, bfs_eval_fn *eval_fn, struct bfs_expr *lhs, struct bfs_expr *rhs, char **argv) { + struct bfs_expr *expr = parse_new_expr(parser, eval_fn, 1, argv); + if (!expr) { + return NULL; + } + + expr->lhs = lhs; + expr->rhs = rhs; + bfs_assert(bfs_expr_is_parent(expr)); + + expr->persistent_fds = lhs->persistent_fds + rhs->persistent_fds; + if (lhs->ephemeral_fds > rhs->ephemeral_fds) { + expr->ephemeral_fds = lhs->ephemeral_fds; + } else { + expr->ephemeral_fds = rhs->ephemeral_fds; + } + + return expr; +} + +/** * Fill in a "-print"-type expression. */ static void init_print_expr(struct bfs_parser *parser, struct bfs_expr *expr) { @@ -645,7 +653,7 @@ static bool looks_like_icmp(const char *str) { */ static struct bfs_expr *parse_flag(struct bfs_parser *parser, size_t argc) { char **argv = parser_advance(parser, T_FLAG, argc); - return bfs_expr_new(eval_true, argc, argv); + return parse_new_expr(parser, eval_true, argc, argv); } /** @@ -674,7 +682,7 @@ static struct bfs_expr *parse_unary_flag(struct bfs_parser *parser) { */ static struct bfs_expr *parse_option(struct bfs_parser *parser, size_t argc) { char **argv = parser_advance(parser, T_OPTION, argc); - return bfs_expr_new(eval_true, argc, argv); + return parse_new_expr(parser, eval_true, argc, argv); } /** @@ -703,7 +711,7 @@ static struct bfs_expr *parse_unary_option(struct bfs_parser *parser) { */ static struct bfs_expr *parse_test(struct bfs_parser *parser, bfs_eval_fn *eval_fn, size_t argc) { char **argv = parser_advance(parser, T_TEST, argc); - return bfs_expr_new(eval_fn, argc, argv); + return parse_new_expr(parser, eval_fn, argc, argv); } /** @@ -742,7 +750,7 @@ static struct bfs_expr *parse_action(struct bfs_parser *parser, bfs_eval_fn *eva parser->implicit_print = false; } - return bfs_expr_new(eval_fn, argc, argv); + return parse_new_expr(parser, eval_fn, argc, argv); } /** @@ -771,7 +779,7 @@ static struct bfs_expr *parse_unary_action(struct bfs_parser *parser, bfs_eval_f */ static int parse_exclude(struct bfs_parser *parser, struct bfs_expr *expr) { struct bfs_ctx *ctx = parser->ctx; - ctx->exclude = new_binary_expr(eval_or, ctx->exclude, expr, &fake_or_arg); + ctx->exclude = new_binary_expr(parser, eval_or, ctx->exclude, expr, &fake_or_arg); if (ctx->exclude) { return 0; } else { @@ -789,7 +797,6 @@ static struct bfs_expr *parse_test_icmp(struct bfs_parser *parser, bfs_eval_fn * } if (!parse_icmp(parser, expr, 0)) { - bfs_expr_free(expr); return NULL; } @@ -848,7 +855,6 @@ static struct bfs_expr *parse_debug(struct bfs_parser *parser, int arg1, int arg if (parse_debug_flag(flag, len, "help")) { debug_help(ctx->cout); parser->just_info = true; - bfs_expr_free(expr); return NULL; } else if (parse_debug_flag(flag, len, "all")) { ctx->debug = DEBUG_ALL; @@ -896,7 +902,6 @@ static struct bfs_expr *parse_optlevel(struct bfs_parser *parser, int arg1, int if (strcmp(expr->argv[0], "-Ofast") == 0) { *optlevel = 4; } else if (!parse_int(parser, expr->argv, expr->argv[0] + 2, optlevel, IF_INT | IF_UNSIGNED)) { - bfs_expr_free(expr); return NULL; } @@ -963,16 +968,12 @@ static struct bfs_expr *parse_newer(struct bfs_parser *parser, int field, int ar struct bfs_stat sb; if (stat_arg(parser, &expr->argv[1], &sb) != 0) { - goto fail; + return NULL; } expr->reftime = sb.mtime; expr->stat_field = field; return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1004,7 +1005,7 @@ static struct bfs_expr *parse_time(struct bfs_parser *parser, int field, int arg const char *tail = parse_icmp(parser, expr, IF_PARTIAL_OK); if (!tail) { - goto fail; + return NULL; } if (!*tail) { @@ -1033,7 +1034,7 @@ static struct bfs_expr *parse_time(struct bfs_parser *parser, int field, int arg break; default: parse_expr_error(parser, expr, "Unknown time unit ${bld}%c${rs}.\n", *tail); - goto fail; + return NULL; } expr->num += time; @@ -1044,20 +1045,16 @@ static struct bfs_expr *parse_time(struct bfs_parser *parser, int field, int arg tail = parse_int(parser, &expr->argv[1], tail, &time, IF_PARTIAL_OK | IF_LONG_LONG | IF_UNSIGNED); if (!tail) { - goto fail; + return NULL; } if (!*tail) { parse_expr_error(parser, expr, "Missing time unit.\n"); - goto fail; + return NULL; } } expr->time_unit = BFS_SECONDS; return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1087,7 +1084,6 @@ static struct bfs_expr *parse_color(struct bfs_parser *parser, int color, int ar if (color) { if (!colors) { parse_expr_error(parser, expr, "Error parsing $$LS_COLORS: %s.\n", xstrerror(ctx->colors_error)); - bfs_expr_free(expr); return NULL; } @@ -1182,7 +1178,6 @@ static struct bfs_expr *parse_depth_limit(struct bfs_parser *parser, int is_min, int *depth = is_min ? &ctx->mindepth : &ctx->maxdepth; char **arg = &expr->argv[1]; if (!parse_int(parser, arg, *arg, depth, IF_INT | IF_UNSIGNED)) { - bfs_expr_free(expr); return NULL; } @@ -1235,7 +1230,7 @@ static struct bfs_expr *parse_exec(struct bfs_parser *parser, int flags, int arg } else { parse_perror(parser, "strndup()"); } - goto fail; + return NULL; } path = strchr(path, ':'); @@ -1257,10 +1252,6 @@ static struct bfs_expr *parse_exec(struct bfs_parser *parser, int flags, int arg } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1292,7 +1283,6 @@ static struct bfs_expr *parse_f(struct bfs_parser *parser, int arg1, int arg2) { } if (parse_root(parser, expr->argv[1]) != 0) { - bfs_expr_free(expr); return NULL; } @@ -1318,7 +1308,7 @@ static struct bfs_expr *parse_files0_from(struct bfs_parser *parser, int arg1, i } if (!file) { parse_expr_error(parser, expr, "%m.\n"); - goto fail; + return NULL; } while (true) { @@ -1348,10 +1338,9 @@ static struct bfs_expr *parse_files0_from(struct bfs_parser *parser, int arg1, i return expr; fail: - if (file && file != stdin) { + if (file != stdin) { fclose(file); } - bfs_expr_free(expr); return NULL; } @@ -1385,7 +1374,6 @@ static struct bfs_expr *parse_flags(struct bfs_parser *parser, int arg1, int arg } else { parse_expr_error(parser, expr, "Invalid flags.\n"); } - bfs_expr_free(expr); return NULL; } @@ -1398,18 +1386,14 @@ static struct bfs_expr *parse_flags(struct bfs_parser *parser, int arg1, int arg static struct bfs_expr *parse_fls(struct bfs_parser *parser, int arg1, int arg2) { struct bfs_expr *expr = parse_unary_action(parser, eval_fls); if (!expr) { - goto fail; + return NULL; } if (expr_open(parser, expr, expr->argv[1]) != 0) { - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1417,16 +1401,15 @@ fail: */ static struct bfs_expr *parse_fprint(struct bfs_parser *parser, int arg1, int arg2) { struct bfs_expr *expr = parse_unary_action(parser, eval_fprint); - if (expr) { - if (expr_open(parser, expr, expr->argv[1]) != 0) { - goto fail; - } + if (!expr) { + return NULL; } - return expr; -fail: - bfs_expr_free(expr); - return NULL; + if (expr_open(parser, expr, expr->argv[1]) != 0) { + return NULL; + } + + return expr; } /** @@ -1434,16 +1417,15 @@ fail: */ static struct bfs_expr *parse_fprint0(struct bfs_parser *parser, int arg1, int arg2) { struct bfs_expr *expr = parse_unary_action(parser, eval_fprint0); - if (expr) { - if (expr_open(parser, expr, expr->argv[1]) != 0) { - goto fail; - } + if (!expr) { + return NULL; } - return expr; -fail: - bfs_expr_free(expr); - return NULL; + if (expr_open(parser, expr, expr->argv[1]) != 0) { + return NULL; + } + + return expr; } /** @@ -1470,18 +1452,14 @@ static struct bfs_expr *parse_fprintf(struct bfs_parser *parser, int arg1, int a } if (expr_open(parser, expr, file) != 0) { - goto fail; + return NULL; } if (bfs_printf_parse(parser->ctx, expr, format) != 0) { - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1495,7 +1473,6 @@ static struct bfs_expr *parse_fstype(struct bfs_parser *parser, int arg1, int ar if (!bfs_ctx_mtab(parser->ctx)) { parse_expr_error(parser, expr, "Couldn't parse the mount table: %m.\n"); - bfs_expr_free(expr); return NULL; } @@ -1517,21 +1494,17 @@ static struct bfs_expr *parse_group(struct bfs_parser *parser, int arg1, int arg expr->int_cmp = BFS_INT_EQUAL; } else if (looks_like_icmp(expr->argv[1])) { if (!parse_icmp(parser, expr, 0)) { - goto fail; + return NULL; } } else if (errno) { parse_expr_error(parser, expr, "%m.\n"); - goto fail; + return NULL; } else { parse_expr_error(parser, expr, "No such group.\n"); - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1564,21 +1537,17 @@ static struct bfs_expr *parse_user(struct bfs_parser *parser, int arg1, int arg2 expr->int_cmp = BFS_INT_EQUAL; } else if (looks_like_icmp(expr->argv[1])) { if (!parse_icmp(parser, expr, 0)) { - goto fail; + return NULL; } } else if (errno) { parse_expr_error(parser, expr, "%m.\n"); - goto fail; + return NULL; } else { parse_expr_error(parser, expr, "No such user.\n"); - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1614,13 +1583,11 @@ static struct bfs_expr *parse_jobs(struct bfs_parser *parser, int arg1, int arg2 unsigned int n; if (!parse_int(parser, expr->argv, expr->argv[0] + 2, &n, IF_INT | IF_UNSIGNED)) { - bfs_expr_free(expr); return NULL; } if (n == 0) { parse_expr_error(parser, expr, "${bld}0${rs} is not enough threads.\n"); - bfs_expr_free(expr); return NULL; } @@ -1680,7 +1647,6 @@ static struct bfs_expr *parse_fnmatch(const struct bfs_parser *parser, struct bf expr->fnm_flags = FNM_CASEFOLD; #else parse_expr_error(parser, expr, "Missing platform support.\n"); - bfs_expr_free(expr); return NULL; #endif } else { @@ -1811,7 +1777,7 @@ static struct bfs_expr *parse_newerxy(struct bfs_parser *parser, int arg1, int a struct bfs_expr *expr = parse_unary_test(parser, eval_newer); if (!expr) { - goto fail; + return NULL; } expr->stat_field = parse_newerxy_field(arg[6]); @@ -1819,12 +1785,12 @@ static struct bfs_expr *parse_newerxy(struct bfs_parser *parser, int arg1, int a parse_expr_error(parser, expr, "For ${blu}-newer${bld}XY${rs}, ${bld}X${rs} should be ${bld}a${rs}, ${bld}c${rs}, ${bld}m${rs}, or ${bld}B${rs}, not ${err}%c${rs}.\n", arg[6]); - goto fail; + return NULL; } if (arg[7] == 't') { if (parse_reftime(parser, expr) != 0) { - goto fail; + return NULL; } } else { enum bfs_stat_field field = parse_newerxy_field(arg[7]); @@ -1832,28 +1798,24 @@ static struct bfs_expr *parse_newerxy(struct bfs_parser *parser, int arg1, int a parse_expr_error(parser, expr, "For ${blu}-newer${bld}XY${rs}, ${bld}Y${rs} should be ${bld}a${rs}, ${bld}c${rs}, ${bld}m${rs}, ${bld}B${rs}, or ${bld}t${rs}, not ${err}%c${rs}.\n", arg[7]); - goto fail; + return NULL; } struct bfs_stat sb; if (stat_arg(parser, &expr->argv[1], &sb) != 0) { - goto fail; + return NULL; } const struct timespec *reftime = bfs_stat_time(&sb, field); if (!reftime) { parse_expr_error(parser, expr, "Couldn't get file %s.\n", bfs_stat_field_name(field)); - goto fail; + return NULL; } expr->reftime = *reftime; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -1872,7 +1834,7 @@ static struct bfs_expr *parse_nogroup(struct bfs_parser *parser, int arg1, int a * Parse -nohidden. */ static struct bfs_expr *parse_nohidden(struct bfs_parser *parser, int arg1, int arg2) { - struct bfs_expr *hidden = bfs_expr_new(eval_hidden, 1, &fake_hidden_arg); + struct bfs_expr *hidden = parse_new_expr(parser, eval_hidden, 1, &fake_hidden_arg); if (!hidden) { return NULL; } @@ -2158,14 +2120,10 @@ static struct bfs_expr *parse_perm(struct bfs_parser *parser, int field, int arg } if (parse_mode(parser, mode, expr) != 0) { - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -2202,7 +2160,6 @@ static struct bfs_expr *parse_printf(struct bfs_parser *parser, int arg1, int ar init_print_expr(parser, expr); if (bfs_printf_parse(parser->ctx, expr, expr->argv[1]) != 0) { - bfs_expr_free(expr); return NULL; } @@ -2241,31 +2198,26 @@ static struct bfs_expr *parse_quit(struct bfs_parser *parser, int arg1, int arg2 static struct bfs_expr *parse_regex(struct bfs_parser *parser, int flags, int arg2) { struct bfs_expr *expr = parse_unary_test(parser, eval_regex); if (!expr) { - goto fail; + return NULL; } if (bfs_regcomp(&expr->regex, expr->argv[1], parser->regex_type, flags) != 0) { - if (!expr->regex) { + if (expr->regex) { + char *str = bfs_regerror(expr->regex); + if (str) { + parse_expr_error(parser, expr, "%s.\n", str); + free(str); + } else { + parse_perror(parser, "bfs_regerror()"); + } + } else { parse_perror(parser, "bfs_regcomp()"); - goto fail; } - char *str = bfs_regerror(expr->regex); - if (!str) { - parse_perror(parser, "bfs_regerror()"); - goto fail; - } - - parse_expr_error(parser, expr, "%s.\n", str); - free(str); - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -2324,8 +2276,6 @@ list_types: cfprintf(cfile, " ${bld}grep${rs}: Like ${grn}grep${rs}\n"); #endif cfprintf(cfile, " ${bld}sed${rs}: Like ${grn}sed${rs} (same as ${bld}posix-basic${rs})\n"); - - bfs_expr_free(expr); return NULL; } @@ -2348,7 +2298,6 @@ static struct bfs_expr *parse_samefile(struct bfs_parser *parser, int arg1, int struct bfs_stat sb; if (stat_arg(parser, &expr->argv[1], &sb) != 0) { - bfs_expr_free(expr); return NULL; } @@ -2396,8 +2345,6 @@ list_strategies: cfprintf(cfile, " ${bld}dfs${rs}: depth-first search\n"); cfprintf(cfile, " ${bld}ids${rs}: iterative deepening search\n"); cfprintf(cfile, " ${bld}eds${rs}: exponential deepening search\n"); - - bfs_expr_free(expr); return NULL; } @@ -2411,15 +2358,11 @@ static struct bfs_expr *parse_since(struct bfs_parser *parser, int field, int ar } if (parse_reftime(parser, expr) != 0) { - goto fail; + return NULL; } expr->stat_field = field; return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -2433,7 +2376,7 @@ static struct bfs_expr *parse_size(struct bfs_parser *parser, int arg1, int arg2 const char *unit = parse_icmp(parser, expr, IF_PARTIAL_OK); if (!unit) { - goto fail; + return NULL; } if (strlen(unit) > 1) { @@ -2468,16 +2411,12 @@ static struct bfs_expr *parse_size(struct bfs_parser *parser, int arg1, int arg2 break; default: - goto bad_unit; + bad_unit: + parse_expr_error(parser, expr, "Expected a size unit (one of ${bld}cwbkMGTP${rs}); found ${err}%pq${rs}.\n", unit); + return NULL; } return expr; - -bad_unit: - parse_expr_error(parser, expr, "Expected a size unit (one of ${bld}cwbkMGTP${rs}); found ${err}%pq${rs}.\n", unit); -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -2543,11 +2482,11 @@ static struct bfs_expr *parse_type(struct bfs_parser *parser, int x, int arg2) { case '\0': parse_expr_error(parser, expr, "Expected a type flag.\n"); - goto fail; + return NULL; default: parse_expr_error(parser, expr, "Unknown type flag ${err}%c${rs}; expected one of [${bld}bcdpflsD${rs}].\n", *c); - goto fail; + return NULL; } ++c; @@ -2558,15 +2497,11 @@ static struct bfs_expr *parse_type(struct bfs_parser *parser, int x, int arg2) { continue; } else { parse_expr_error(parser, expr, "Types must be comma-separated.\n"); - goto fail; + return NULL; } } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } /** @@ -3244,14 +3179,12 @@ static struct bfs_expr *parse_factor(struct bfs_parser *parser) { } if (skip_paths(parser) != 0) { - bfs_expr_free(expr); return NULL; } arg = parser->argv[0]; if (!arg || strcmp(arg, ")") != 0) { parse_argv_error(parser, parser->last_arg, 1, "Expected a ${red})${rs}.\n"); - bfs_expr_free(expr); return NULL; } @@ -3277,7 +3210,7 @@ static struct bfs_expr *parse_factor(struct bfs_parser *parser) { return NULL; } - return bfs_expr_new(eval_true, parser->argv - argv, argv); + return parse_new_expr(parser, eval_true, parser->argv - argv, argv); } else if (strcmp(arg, "!") == 0 || strcmp(arg, "-not") == 0) { char **argv = parser_advance(parser, T_OPERATOR, 1); @@ -3286,7 +3219,7 @@ static struct bfs_expr *parse_factor(struct bfs_parser *parser) { return NULL; } - return new_unary_expr(eval_not, factor, argv); + return new_unary_expr(parser, eval_not, factor, argv); } else { return parse_primary(parser); } @@ -3303,7 +3236,6 @@ static struct bfs_expr *parse_term(struct bfs_parser *parser) { while (term) { if (skip_paths(parser) != 0) { - bfs_expr_free(term); return NULL; } @@ -3326,11 +3258,10 @@ static struct bfs_expr *parse_term(struct bfs_parser *parser) { struct bfs_expr *lhs = term; struct bfs_expr *rhs = parse_factor(parser); if (!rhs) { - bfs_expr_free(lhs); return NULL; } - term = new_binary_expr(eval_and, lhs, rhs, argv); + term = new_binary_expr(parser, eval_and, lhs, rhs, argv); } return term; @@ -3346,7 +3277,6 @@ static struct bfs_expr *parse_clause(struct bfs_parser *parser) { while (clause) { if (skip_paths(parser) != 0) { - bfs_expr_free(clause); return NULL; } @@ -3364,11 +3294,10 @@ static struct bfs_expr *parse_clause(struct bfs_parser *parser) { struct bfs_expr *lhs = clause; struct bfs_expr *rhs = parse_term(parser); if (!rhs) { - bfs_expr_free(lhs); return NULL; } - clause = new_binary_expr(eval_or, lhs, rhs, argv); + clause = new_binary_expr(parser, eval_or, lhs, rhs, argv); } return clause; @@ -3383,7 +3312,6 @@ static struct bfs_expr *parse_expr(struct bfs_parser *parser) { while (expr) { if (skip_paths(parser) != 0) { - bfs_expr_free(expr); return NULL; } @@ -3401,11 +3329,10 @@ static struct bfs_expr *parse_expr(struct bfs_parser *parser) { struct bfs_expr *lhs = expr; struct bfs_expr *rhs = parse_clause(parser); if (!rhs) { - bfs_expr_free(lhs); return NULL; } - expr = new_binary_expr(eval_comma, lhs, rhs, argv); + expr = new_binary_expr(parser, eval_comma, lhs, rhs, argv); } return expr; @@ -3423,7 +3350,7 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) { if (parser->argv[0]) { expr = parse_expr(parser); } else { - expr = bfs_expr_new(eval_true, 1, &fake_true_arg); + expr = parse_new_expr(parser, eval_true, 1, &fake_true_arg); } if (!expr) { return NULL; @@ -3431,19 +3358,19 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) { if (parser->argv[0]) { parse_error(parser, "Unexpected argument.\n"); - goto fail; + return NULL; } if (parser->implicit_print) { - struct bfs_expr *print = bfs_expr_new(eval_fprint, 1, &fake_print_arg); + struct bfs_expr *print = parse_new_expr(parser, eval_fprint, 1, &fake_print_arg); if (!print) { - goto fail; + return NULL; } init_print_expr(parser, print); - expr = new_binary_expr(eval_and, expr, print, &fake_and_arg); + expr = new_binary_expr(parser, eval_and, expr, print, &fake_and_arg); if (!expr) { - goto fail; + return NULL; } } @@ -3461,7 +3388,7 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) { if (parser->interactive) { bfs_warning(parser->ctx, "Do you want to continue? "); if (ynprompt() == 0) { - goto fail; + return NULL; } } @@ -3472,14 +3399,10 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) { parse_conflict_error(parser, parser->ok_expr->argv, parser->ok_expr->argc, parser->files0_stdin_arg, 2, "${blu}%s${rs} conflicts with ${blu}%s${rs} ${bld}%s${rs}.\n", parser->ok_expr->argv[0], parser->files0_stdin_arg[0], parser->files0_stdin_arg[1]); - goto fail; + return NULL; } return expr; - -fail: - bfs_expr_free(expr); - return NULL; } static const char *bftw_strategy_name(enum bftw_strategy strategy) { @@ -3637,7 +3560,7 @@ static void dump_costs(const struct bfs_ctx *ctx) { struct bfs_ctx *bfs_parse_cmdline(int argc, char *argv[]) { struct bfs_ctx *ctx = bfs_ctx_new(); if (!ctx) { - perror("bfs_new_ctx()"); + perror("bfs_ctx_new()"); goto fail; } @@ -3715,7 +3638,7 @@ struct bfs_ctx *bfs_parse_cmdline(int argc, char *argv[]) { .now = ctx->now, }; - ctx->exclude = bfs_expr_new(eval_false, 1, &fake_false_arg); + ctx->exclude = parse_new_expr(&parser, eval_false, 1, &fake_false_arg); if (!ctx->exclude) { goto fail; } @@ -3734,6 +3657,7 @@ struct bfs_ctx *bfs_parse_cmdline(int argc, char *argv[]) { } if (bfs_optimize(ctx) != 0) { + bfs_perror(ctx, "bfs_optimize()"); goto fail; } |