checker: add support for `-d debug_stmts` to ease debugging checker panics

2020-07-12 12:04:39 +03:00 · 2020-07-12 12:04:39 +03:00 · 23c8e1f06d
parent 40da32a141
commit 23c8e1f06d
1 changed files with 4 additions and 0 deletions
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@ -2044,6 +2044,10 @@ fn (mut c Checker) stmts(stmts []ast.Stmt) {
 	}
 	c.expected_type = table.void_type
 	for stmt in stmts {
+		$if debug_stmts? {
+			stmt_pos := stmt.position()
+			eprintln('file: ${c.file.path:-30} | stmt pos: $stmt_pos')
+		}
 		if c.scope_returns {
 			if unreachable.line_nr == -1 {
 				unreachable = stmt.position()