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-rw-r--r--src/color.c57
-rw-r--r--src/color.h2
-rw-r--r--src/eval.c4
-rw-r--r--src/parse.c39
4 files changed, 66 insertions, 36 deletions
diff --git a/src/color.c b/src/color.c
index 0cc950b..588dbac 100644
--- a/src/color.c
+++ b/src/color.c
@@ -1240,6 +1240,33 @@ static int print_link_target(CFILE *cfile, const struct BFTW *ftwbuf) {
_printf(2, 3)
static int cbuff(CFILE *cfile, const char *format, ...);
+/** Print an expression's name, for diagnostics. */
+static int print_expr_name(CFILE *cfile, const struct bfs_expr *expr) {
+ switch (expr->kind) {
+ case BFS_FLAG:
+ return cbuff(cfile, "${cyn}%pq${rs}", expr->argv[0]);
+ case BFS_OPERATOR:
+ return cbuff(cfile, "${red}%pq${rs}", expr->argv[0]);
+ default:
+ return cbuff(cfile, "${blu}%pq${rs}", expr->argv[0]);
+ }
+}
+
+/** Print an expression's args, for diagnostics. */
+static int print_expr_args(CFILE *cfile, const struct bfs_expr *expr) {
+ if (print_expr_name(cfile, expr) != 0) {
+ return -1;
+ }
+
+ for (size_t i = 1; i < expr->argc; ++i) {
+ if (cbuff(cfile, " ${bld}%pq${rs}", expr->argv[i]) < 0) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
/** Dump a parsed expression tree, for debugging. */
static int print_expr(CFILE *cfile, const struct bfs_expr *expr, bool verbose, int depth) {
if (depth >= 2) {
@@ -1254,28 +1281,10 @@ static int print_expr(CFILE *cfile, const struct bfs_expr *expr, bool verbose, i
return -1;
}
- int ret;
- switch (expr->kind) {
- case BFS_FLAG:
- ret = cbuff(cfile, "${cyn}%pq${rs}", expr->argv[0]);
- break;
- case BFS_OPERATOR:
- ret = cbuff(cfile, "${red}%pq${rs}", expr->argv[0]);
- break;
- default:
- ret = cbuff(cfile, "${blu}%pq${rs}", expr->argv[0]);
- break;
- }
- if (ret < 0) {
+ if (print_expr_args(cfile, expr) != 0) {
return -1;
}
- for (size_t i = 1; i < expr->argc; ++i) {
- if (cbuff(cfile, " ${bld}%pq${rs}", expr->argv[i]) < 0) {
- return -1;
- }
- }
-
if (verbose) {
double rate = 0.0, time = 0.0;
if (expr->evaluations) {
@@ -1413,6 +1422,16 @@ static int cvbuff(CFILE *cfile, const char *format, va_list args) {
return -1;
}
break;
+ case 'x':
+ if (print_expr_args(cfile, va_arg(args, const struct bfs_expr *)) != 0) {
+ return -1;
+ }
+ break;
+ case 'X':
+ if (print_expr_name(cfile, va_arg(args, const struct bfs_expr *)) != 0) {
+ return -1;
+ }
+ break;
default:
goto invalid;
diff --git a/src/color.h b/src/color.h
index 2394af2..aac8b33 100644
--- a/src/color.h
+++ b/src/color.h
@@ -95,6 +95,8 @@ int cfclose(CFILE *cfile);
* %pL: A colored link target, from a const struct BFTW * argument
* %pe: Dump a const struct bfs_expr *, for debugging.
* %pE: Dump a const struct bfs_expr * in verbose form, for debugging.
+ * %px: Print a const struct bfs_expr * with syntax highlighting.
+ * %pX: Print the name of a const struct bfs_expr *, without arguments.
* %%: A literal '%'
* ${cc}: Change the color to 'cc'
* $$: A literal '$'
diff --git a/src/eval.c b/src/eval.c
index 7c9da97..0d1bf68 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -408,7 +408,7 @@ static int eval_exec_finish(const struct bfs_expr *expr, const struct bfs_ctx *c
if (expr->eval_fn == eval_exec) {
if (bfs_exec_finish(expr->exec) != 0) {
if (errno != 0) {
- bfs_error(ctx, "%s %s: %s.\n", expr->argv[0], expr->argv[1], errstr());
+ bfs_error(ctx, "${blu}%pq${rs} ${bld}%pq${rs}: %s.\n", expr->argv[0], expr->argv[1], errstr());
}
ret = -1;
}
@@ -429,7 +429,7 @@ static int eval_exec_finish(const struct bfs_expr *expr, const struct bfs_ctx *c
bool eval_exec(const struct bfs_expr *expr, struct bfs_eval *state) {
bool ret = bfs_exec(expr->exec, state->ftwbuf) == 0;
if (errno != 0) {
- eval_error(state, "%s %s: %s.\n", expr->argv[0], expr->argv[1], errstr());
+ eval_error(state, "${blu}%pq${rs} ${bld}%pq${rs}: %s.\n", expr->argv[0], expr->argv[1], errstr());
}
return ret;
}
diff --git a/src/parse.c b/src/parse.c
index b968be5..9631b91 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -272,7 +272,8 @@ static bool parse_expr_warning(const struct bfs_parser *parser, const struct bfs
static bool consume_stdin(struct bfs_parser *parser, const struct bfs_expr *expr) {
if (parser->stdin_expr) {
parse_conflict_error(parser, parser->stdin_expr, expr,
- "Both expressions attempted to consume standard input.\n");
+ "%pX and %pX can't both use standard input.\n",
+ parser->stdin_expr, expr);
return false;
}
@@ -1186,8 +1187,10 @@ static struct bfs_expr *parse_delete(struct bfs_parser *parser, int arg1, int ar
/**
* Parse -d.
*/
-static struct bfs_expr *parse_depth(struct bfs_parser *parser, int arg1, int arg2) {
- struct bfs_expr *expr = parse_nullary_flag(parser);
+static struct bfs_expr *parse_depth(struct bfs_parser *parser, int flag, int arg2) {
+ struct bfs_expr *expr = flag
+ ? parse_nullary_flag(parser)
+ : parse_nullary_option(parser);
if (!expr) {
return NULL;
}
@@ -1662,7 +1665,7 @@ static struct bfs_expr *parse_limit(struct bfs_parser *parser, int arg1, int arg
}
if (expr->num <= 0) {
- parse_expr_error(parser, expr, "The ${blu}%s${rs} must be at least ${bld}1${rs}.\n", expr->argv[0]);
+ parse_expr_error(parser, expr, "The %pX must be at least ${bld}1${rs}.\n", expr);
return NULL;
}
@@ -1879,9 +1882,15 @@ static struct bfs_expr *parse_nohidden(struct bfs_parser *parser, int arg1, int
* Parse -noleaf.
*/
static struct bfs_expr *parse_noleaf(struct bfs_parser *parser, int arg1, int arg2) {
- parse_warning(parser, "${ex}%s${rs} does not apply the optimization that ${blu}%s${rs} inhibits.\n\n",
- BFS_COMMAND, parser->argv[0]);
- return parse_nullary_option(parser);
+ struct bfs_expr *expr = parse_nullary_option(parser);
+ if (!expr) {
+ return NULL;
+ }
+
+ parse_expr_warning(parser, expr,
+ "${ex}%s${rs} does not apply the optimization that %px inhibits.\n\n",
+ BFS_COMMAND, expr);
+ return expr;
}
/**
@@ -3082,10 +3091,10 @@ static const struct table_entry parse_table[] = {
{"-context", BFS_TEST, parse_context, true},
{"-csince", BFS_TEST, parse_since, BFS_STAT_CTIME},
{"-ctime", BFS_TEST, parse_time, BFS_STAT_CTIME},
- {"-d", BFS_FLAG, parse_depth},
+ {"-d", BFS_FLAG, parse_depth, true},
{"-daystart", BFS_OPTION, parse_daystart},
{"-delete", BFS_ACTION, parse_delete},
- {"-depth", BFS_OPTION, parse_depth_n},
+ {"-depth", BFS_OPTION, parse_depth_n, false},
{"-empty", BFS_TEST, parse_empty},
{"-exclude", BFS_OPERATOR},
{"-exec", BFS_ACTION, parse_exec, 0},
@@ -3566,8 +3575,8 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) {
const struct bfs_expr *limit = parser->limit_expr;
if (limit) {
parse_expr_error(parser, limit,
- "With ${blu}%s${rs}, you must specify an action explicitly; for example, ${blu}-print${rs} ${blu}%s${rs} ${bld}%s${rs}.\n",
- limit->argv[0], limit->argv[0], limit->argv[1]);
+ "With %pX, you must specify an action explicitly; for example, ${blu}-print${rs} %px.\n",
+ limit, limit);
return NULL;
}
@@ -3585,14 +3594,14 @@ static struct bfs_expr *parse_whole_expr(struct bfs_parser *parser) {
if (parser->mount_expr && parser->xdev_expr) {
parse_conflict_warning(parser, parser->mount_expr, parser->xdev_expr,
- "${blu}%s${rs} is redundant in the presence of ${blu}%s${rs}.\n\n",
- parser->xdev_expr->argv[0], parser->mount_expr->argv[0]);
+ "%px is redundant in the presence of %px.\n\n",
+ parser->xdev_expr, parser->mount_expr);
}
if (ctx->warn && parser->depth_expr && parser->prune_expr) {
parse_conflict_warning(parser, parser->depth_expr, parser->prune_expr,
- "${blu}%s${rs} does not work in the presence of ${blu}%s${rs}.\n",
- parser->prune_expr->argv[0], parser->depth_expr->argv[0]);
+ "%px does not work in the presence of %px.\n",
+ parser->prune_expr, parser->depth_expr);
if (ctx->interactive) {
bfs_warning(ctx, "Do you want to continue? ");