diff mbox series

[v3,09/22] libtracefs: Add line number and index to expr structure

Message ID 20210803170606.694085-10-rostedt@goodmis.org (mailing list archive)
State Accepted
Headers show
Series [v3,01/22] libtracefs: Added new API tracefs_sql() | expand

Commit Message

Steven Rostedt Aug. 3, 2021, 5:05 p.m. UTC 
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

In order to have better error messages, record the line number and index
when an expr structure is created. Then this can be used to show where in
the SQL sequence a problem was found if the building of the synth event
has issues.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 src/tracefs-sqlhist.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/src/tracefs-sqlhist.c b/src/tracefs-sqlhist.c
index 70bcab14cb27..2e301e024d13 100644
--- a/src/tracefs-sqlhist.c
+++ b/src/tracefs-sqlhist.c
@@ -73,6 +73,8 @@  struct expr {
 	struct expr		*free_list;
 	struct expr		*next;
 	enum expr_type		type;
+	int			line;
+	int			idx;
 	union {
 		struct field	field;
 		struct filter	filter;
@@ -301,6 +303,8 @@  static void *create_expr(struct sqlhist_bison *sb,
 	sb->table->exprs = expr;
 
 	expr->type = type;
+	expr->line = sb->line_no;
+	expr->idx = sb->line_idx;
 
 	switch (type) {
 	case EXPR_FIELD:	return &expr->field;