From 0e34ce2759c11adbc8a300fae76bda3fea3f8e87 Mon Sep 17 00:00:00 2001
From: yuyi <yuyi98@163.com>
Date: Sun, 13 Jun 2021 02:14:08 +0800
Subject: [PATCH] cgen: format generated code in match_expr() (#10397)

---
 vlib/v/gen/c/cgen.v | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 9f731c8342..0c8854fbd7 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -1026,7 +1026,9 @@ fn (mut g Gen) stmts_with_tmp_var(stmts []ast.Stmt, tmp_var string) {
 				g.skip_stmt_pos = true
 				g.write('$tmp_var = ')
 				g.stmt(stmt)
-				g.writeln(';')
+				if !g.out.last_n(2).contains(';') {
+					g.writeln(';')
+				}
 			}
 		} else {
 			g.stmt(stmt)
@@ -4086,7 +4088,7 @@ fn (mut g Gen) match_expr(node ast.MatchExpr) {
 	}
 	if need_tmp_var {
 		g.empty_line = true
-		cur_line = g.go_before_stmt(0)
+		cur_line = g.go_before_stmt(0).trim_left(' \t')
 		tmp_var = g.new_tmp_var()
 		g.writeln('${g.typ(node.return_type)} $tmp_var;')
 	}