ci: run v vet on cgen and ast

.github/workflows/ci.yml

@@ -45,6 +45,9 @@ jobs:
     - name: v vet
       run: |
         v vet vlib/v/parser
+        v vet vlib/v/ast
+        v vet vlib/v/ast
+        v vet vlib/v/gen/cgen.v
 #    - name: Test v binaries
 #      run: ./v -silent build-vbinaries
 

vlib/v/ast/scope.v

@@ -6,8 +6,8 @@ module ast
 import v.table
 
 pub struct Scope {
-//mut:
 pub mut:
+	// mut:
 	objects   map[string]ScopeObject
 	parent    &Scope
 	children  []&Scope
@@ -16,7 +16,7 @@ pub mut:
 }
 
 pub fn new_scope(parent &Scope, start_pos int) &Scope {
-	return &ast.Scope{
+	return &Scope{
 		parent: parent
 		start_pos: start_pos
 	}
@@ -37,7 +37,8 @@ pub fn (s &Scope) find_with_scope(name string) ?(ScopeObject, &Scope) {
 }
 
 pub fn (s &Scope) find(name string) ?ScopeObject {
-	for sc := s; ; sc = sc.parent {
+	for sc := s; true; sc = sc.parent
+	 {
 		if name in sc.objects {
 			return sc.objects[name]
 		}
@@ -51,18 +52,15 @@ pub fn (s &Scope) find(name string) ?ScopeObject {
 pub fn (s &Scope) is_known(name string) bool {
 	if _ := s.find(name) {
 		return true
+	} else {
 	}
-	//
-	else{}
 	return false
 }
 
 pub fn (s &Scope) find_var(name string) ?&Var {
 	if obj := s.find(name) {
 		match obj {
-			Var {
+			Var { return obj }
-				return it
-			}
 			else {}
 		}
 	}
@@ -72,9 +70,7 @@ pub fn (s &Scope) find_var(name string) ?&Var {
 pub fn (s &Scope) find_const(name string) ?&ConstField {
 	if obj := s.find(name) {
 		match obj {
-			ConstField {
+			ConstField { return obj }
-				return it
-			}
 			else {}
 		}
 	}
@@ -162,12 +158,8 @@ pub fn (sc &Scope) show(depth, max_depth int) string {
 	out += '$indent# $sc.start_pos - $sc.end_pos\n'
 	for _, obj in sc.objects {
 		match obj {
-			ConstField {
+			ConstField { out += '$indent  * const: $obj.name - $obj.typ\n' }
-				out += '$indent  * const: $it.name - $it.typ\n'
+			Var { out += '$indent  * var: $obj.name - $obj.typ\n' }
-			}
-			Var {
-				out += '$indent  * var: $it.name - $it.typ\n'
-			}
 			else {}
 		}
 	}

vlib/v/fmt/tests/comments_keep.vv

@@ -4,4 +4,10 @@ struct User {
 	// last comment2
 }
 
-
+fn main() {
+	if true {
+	}
+	// else
+	// else {
+	// }
+}

vlib/v/gen/cgen.v

@@ -1315,7 +1315,7 @@ fn (mut g Gen) gen_cross_tmp_variable(left []ast.Expr, val ast.Expr) {
 			mut has_var := false
 			for lx in left {
 				if val_.str() == lx.str() {
-					g.write('_var_${lx.position().pos}')
+					g.write('_var_$lx.position().pos')
 					has_var = true
 					break
 				}
@@ -1341,7 +1341,7 @@ fn (mut g Gen) gen_cross_tmp_variable(left []ast.Expr, val ast.Expr) {
 			mut has_var := false
 			for lx in left {
 				if val_.str() == lx.str() {
-					g.write('_var_${lx.position().pos}')
+					g.write('_var_$lx.position().pos')
 					has_var = true
 					break
 				}
@@ -2538,7 +2538,6 @@ fn (mut g Gen) const_decl(node ast.ConstDecl) {
 	defer {
 		g.inside_const = false
 	}
-
 	for field in node.fields {
 		name := c_name(field.name)
 		// TODO hack. Cut the generated value and paste it into definitions.

vlib/v/gen/js/tests/interface.v

@@ -13,17 +13,35 @@ interface Animal {
 	greet() int
 }
 
-fn (d Dog) say(s string) { println('Dog $d.name: "$s"') }
+fn (d Dog) say(s string) {
-fn (c Cat) say(s string) { println('Cat $c.name: "$s"') }
+	println('Dog $d.name: "$s"')
-
-fn (d Dog) greet() int { d.say('Hello!') return d.age }
-fn (c Cat) greet() int { c.say('Hello!') return c.age }
-
-fn use(a Animal) {
-	if a is Dog { println('dog') }
-	else if a is Cat { println('cat') }
-	else { println('its a bug!') }
 }
 
+fn (c Cat) say(s string) {
+	println('Cat $c.name: "$s"')
+}
+
+fn (d Dog) greet() int {
+	d.say('Hello!')
+	return d.age
+}
+
+fn (c Cat) greet() int {
+	c.say('Hello!')
+	return c.age
+}
+
+fn use(a Animal) {
+	if a is Dog {
+		println('dog')
+	} else if a is Cat {
+		println('cat')
+	} else {
+		println('its a bug!')
+	}
+}
+
+fn main() {
 	use(Dog{'Doggo', 5})
 	use(Cat{'Nyancat', 6})
+}

vlib/v/parser/if.v

@@ -26,7 +26,7 @@ fn (mut p Parser) if_expr() ast.IfExpr {
 			// if p.tok.kind == .comment {
 			// p.error('place comments inside {}')
 			// }
-			// comment = p.check_comment()
+			comment = p.check_comment()
 			p.check(.key_else)
 			if p.tok.kind == .key_if {
 				p.next()
@@ -74,7 +74,7 @@ fn (mut p Parser) if_expr() ast.IfExpr {
 			cond: cond
 			stmts: stmts
 			pos: start_pos.extend(end_pos)
-			comment: ast.Comment{}
+			comment: comment
 		}
 		if p.tok.kind != .key_else {
 			break