From 3eac8b42f83cf25c556237d3c4c594992465bcb0 Mon Sep 17 00:00:00 2001
From: kbkpbot <kbkpbot@sina.com>
Date: Thu, 4 Jul 2024 18:23:27 +0800
Subject: [PATCH] cgen: fix const name without main prefix in `-translated`
 mode (#21789)

---
 vlib/v/gen/c/cgen.v                                    |  7 +++++++
 vlib/v/gen/c/testdata/translated_const_fixed_array.out |  1 +
 vlib/v/gen/c/testdata/translated_const_fixed_array.vv  | 10 ++++++++++
 vlib/v/tests/translated_test.v                         |  6 ++++++
 4 files changed, 24 insertions(+)
 create mode 100644 vlib/v/gen/c/testdata/translated_const_fixed_array.out
 create mode 100644 vlib/v/gen/c/testdata/translated_const_fixed_array.vv

diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 6fb24bd1f..4f21095dc 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -5835,6 +5835,13 @@ fn (mut g Gen) const_decl(node ast.ConstDecl) {
 		}
 		name := c_name(field.name)
 		mut const_name := '_const_' + name
+		if g.pref.translated && !g.is_builtin_mod
+			&& !util.module_is_builtin(field.name.all_before_last('.')) {
+			mut x := util.no_dots(field.name)
+			if x.starts_with('main__') {
+				const_name = x['main__'.len..]
+			}
+		}
 		if !g.is_builtin_mod {
 			if cattr := node.attrs.find_first('export') {
 				const_name = cattr.arg
diff --git a/vlib/v/gen/c/testdata/translated_const_fixed_array.out b/vlib/v/gen/c/testdata/translated_const_fixed_array.out
new file mode 100644
index 000000000..9766475a4
--- /dev/null
+++ b/vlib/v/gen/c/testdata/translated_const_fixed_array.out
@@ -0,0 +1 @@
+ok
diff --git a/vlib/v/gen/c/testdata/translated_const_fixed_array.vv b/vlib/v/gen/c/testdata/translated_const_fixed_array.vv
new file mode 100644
index 000000000..704689174
--- /dev/null
+++ b/vlib/v/gen/c/testdata/translated_const_fixed_array.vv
@@ -0,0 +1,10 @@
+// vtest vflags: -translated
+@[translated]
+module main
+
+const ssf = [1, 2, 3]!
+
+fn main() {
+	assert ssf[0] == 1
+	println('ok')
+}
diff --git a/vlib/v/tests/translated_test.v b/vlib/v/tests/translated_test.v
index a8f2b05dd..78380506f 100644
--- a/vlib/v/tests/translated_test.v
+++ b/vlib/v/tests/translated_test.v
@@ -6,3 +6,9 @@ fn test_NotSnakeCaseFunction() {
 	assert 8 == 2 * 4
 	assert 2 * 3 == 6
 }
+
+const ssf = [1, 2, 3]!
+
+fn test_const_name_without_main_prefix() {
+	assert ssf[0] == 1
+}
-- 
2.39.5