Revert "cgen: ensure variable names do not conflict with builtin methods (fix #25063) (#25178)"

This reverts commit f17e0fd52b.

cmd/tools/vrepl.v

@@ -441,7 +441,7 @@ fn run_repl(workdir string, vrepl_prefix string) int {
 			prompt = '... '
 		}
 		oline := r.get_one_line(prompt) or { break }
-		line := oline.trim_space()
+		line := oline.all_before('//').trim_space()
 		if line == '' {
 			continue
 		}

vlib/builtin/builtin.v

@@ -127,6 +127,7 @@ pub:
 	attrs    []string // the attributes of the field f
 	is_pub   bool     // f is in a `pub:` section
 	is_mut   bool     // f is in a `mut:` section
+	is_embed bool     // f is a embedded struct
 
 	is_shared bool // `f shared Abc`
 	is_atomic bool // `f atomic int` , TODO

vlib/v/checker/comptime.v

@@ -1398,7 +1398,7 @@ fn (mut c Checker) comptime_if_cond(mut cond ast.Expr, mut sb strings.Builder) (
 		}
 		ast.SelectorExpr {
 			if c.comptime.comptime_for_field_var != '' && cond.expr is ast.Ident {
-				if (cond.expr as ast.Ident).name == c.comptime.comptime_for_field_var && cond.field_name in ['is_mut', 'is_pub', 'is_shared', 'is_atomic', 'is_option', 'is_array', 'is_map', 'is_chan', 'is_struct', 'is_alias', 'is_enum'] {
+				if (cond.expr as ast.Ident).name == c.comptime.comptime_for_field_var && cond.field_name in ['is_mut', 'is_pub', 'is_embed', 'is_shared', 'is_atomic', 'is_option', 'is_array', 'is_map', 'is_chan', 'is_struct', 'is_alias', 'is_enum'] {
 					is_true = c.type_resolver.get_comptime_selector_bool_field(cond.field_name)
 					sb.write_string('${is_true}')
 					return is_true, true

vlib/v/checker/match.v

@@ -221,11 +221,14 @@ fn (mut c Checker) match_expr(mut node ast.MatchExpr) ast.Type {
 				}
 			}
 		}
+
+		if !node.is_comptime || (node.is_comptime && comptime_match_branch_result) {
 			if node.is_expr {
 				c.stmts_ending_with_expression(mut branch.stmts, c.expected_or_type)
 			} else {
 				c.stmts(mut branch.stmts)
 			}
+		}
 		c.smartcast_mut_pos = token.Pos{}
 		c.smartcast_cond_pos = token.Pos{}
 		if node.is_expr {

vlib/v/gen/c/comptime.v

@@ -740,6 +740,7 @@ fn (mut g Gen) comptime_for(node ast.ComptimeFor) {
 				g.writeln('\t${node.val_var}.unaliased_typ = ${int(unaliased_styp.idx())};\t// ${g.table.type_to_str(unaliased_styp)}')
 				g.writeln('\t${node.val_var}.is_pub = ${field.is_pub};')
 				g.writeln('\t${node.val_var}.is_mut = ${field.is_mut};')
+				g.writeln('\t${node.val_var}.is_embed = ${field.is_embed};')
 
 				g.writeln('\t${node.val_var}.is_shared = ${field.typ.has_flag(.shared_f)};')
 				g.writeln('\t${node.val_var}.is_atomic = ${field.typ.has_flag(.atomic_f)};')
@@ -779,9 +780,14 @@ fn (mut g Gen) comptime_for(node ast.ComptimeFor) {
 					g.write('\t${node.val_var}.value = ')
 					if g.pref.translated && node.typ.is_number() {
 						g.writeln('_const_main__${val};')
+					} else {
+						node_sym := g.table.sym(node.typ)
+						if node_sym.info is ast.Alias {
+							g.writeln('${g.styp(node_sym.info.parent_type)}__${val};')
 						} else {
 							g.writeln('${g.styp(node.typ)}__${val};')
 						}
+					}
 					enum_attrs := sym.info.attrs[val]
 					if enum_attrs.len == 0 {
 						g.writeln('\t${node.val_var}.attrs = __new_array_with_default(0, 0, sizeof(string), 0);')

vlib/v/slow_tests/repl/line_comment.repl

@@ -0,0 +1,5 @@
+math.pi
+math.pi // some comment
+===output===
+3.141592653589793
+3.141592653589793

vlib/v/tests/comptime/comptime_enum_values_test.v

@@ -5,6 +5,8 @@ enum CharacterGroup {
 	special
 }
 
+type AnotherCharGroup = CharacterGroup
+
 fn (self CharacterGroup) value() string {
 	return match self {
 		.chars { 'first' }
@@ -33,3 +35,21 @@ fn test_main() {
 	assert values == [CharacterGroup.chars, CharacterGroup.alphanumerics, CharacterGroup.numeric,
 		CharacterGroup.special]
 }
+
+fn test_alias_enum() {
+	mut values := []EnumData{}
+	$for entry in AnotherCharGroup.values {
+		values << entry
+	}
+	assert values[0].value == int(CharacterGroup.chars)
+	assert values[0].name == CharacterGroup.chars.str()
+
+	assert values[1].value == int(CharacterGroup.alphanumerics)
+	assert values[1].name == CharacterGroup.alphanumerics.str()
+
+	assert values[2].value == int(CharacterGroup.numeric)
+	assert values[2].name == CharacterGroup.numeric.str()
+
+	assert values[3].value == int(CharacterGroup.special)
+	assert values[3].name == CharacterGroup.special.str()
+}

vlib/v/tests/comptime/comptime_for_test.v

@@ -1,4 +1,5 @@
 struct App {
+	Inner
 	a string
 	b string
 mut:
@@ -12,6 +13,8 @@ pub mut:
 	h u8
 }
 
+struct Inner {}
+
 @['foo/bar/three']
 fn (mut app App) run() {
 }
@@ -85,13 +88,16 @@ fn test_comptime_for_fields() {
 			assert field.name in ['d', 'e']
 		}
 		if field.is_mut {
-			assert field.name in ['c', 'd', 'g', 'h']
+			assert field.name in ['c', 'd', 'g', 'h', 'Inner']
 		}
 		if field.is_pub {
-			assert field.name in ['e', 'f', 'g', 'h']
+			assert field.name in ['e', 'f', 'g', 'h', 'Inner']
 		}
 		if field.is_pub && field.is_mut {
-			assert field.name in ['g', 'h']
+			assert field.name in ['g', 'h', 'Inner']
+		}
+		if field.is_embed {
+			assert field.name == 'Inner'
 		}
 		if field.name == 'f' {
 			assert sizeof(field) == 8

vlib/v/tests/comptime/comptime_match_eval_only_true_branch_test.v

@@ -0,0 +1,17 @@
+module main
+
+fn func[T]() bool {
+	$match T {
+		u8, u16 {
+			return true
+		}
+		$else {
+			// return false
+			$compile_error('fail')
+		}
+	}
+}
+
+fn test_comptime_match_eval_only_true_branch() {
+	assert func[u8]()
+}

vlib/v/type_resolver/comptime_resolver.v

@@ -224,6 +224,7 @@ pub fn (mut t TypeResolver) get_comptime_selector_bool_field(field_name string)
 	match field_name {
 		'is_pub' { return field.is_pub }
 		'is_mut' { return field.is_mut }
+		'is_embed' { return field.is_embed }
 		'is_shared' { return field_typ.has_flag(.shared_f) }
 		'is_atomic' { return field_typ.has_flag(.atomic_f) }
 		'is_option' { return field.typ.has_flag(.option) }