vdoc: don't show deprecated functions

vlib/v/ast/ast.v

@@ -134,6 +134,7 @@ pub:
 	stmts         []Stmt
 	typ           table.Type
 	args          []Arg
+	is_deprecated bool
 	is_pub        bool
 	is_variadic   bool
 	receiver      Field

vlib/v/doc/doc.v

@@ -100,9 +100,9 @@ fn (d Doc) get_fn_signatures(filter_fn FilterFn) []string {
 }
 
 fn is_pub_method(node ast.FnDecl) bool {
-	return node.is_pub && node.is_method
+	return node.is_pub && node.is_method && !node.is_deprecated
 }
 
 fn is_pub_function(node ast.FnDecl) bool {
-	return node.is_pub && !node.is_method
+	return node.is_pub && !node.is_method && !node.is_deprecated
 }

vlib/v/parser/fn.v

@@ -58,6 +58,7 @@ pub fn (p mut Parser) call_args() ([]ast.Expr,[]bool) {
 fn (p mut Parser) fn_decl() ast.FnDecl {
 	// p.table.clear_vars()
 	p.open_scope()
+	is_deprecated := p.attr == 'deprecated'
 	is_pub := p.tok.kind == .key_pub
 	if is_pub {
 		p.next()
@@ -158,11 +159,13 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
 		stmts = p.parse_block()
 	}
 	p.close_scope()
+	p.attr = ''
 	return ast.FnDecl{
 		name: name
 		stmts: stmts
 		typ: typ
 		args: ast_args
+		is_deprecated: is_deprecated
 		is_pub: is_pub
 		is_variadic: is_variadic
 		receiver: ast.Field{

vlib/v/parser/parser.v

@@ -40,6 +40,7 @@ mut:
 	pref          &pref.Preferences // Preferences shared from V struct
 	builtin_mod   bool
 	mod           string
+	attr          string
 	expr_mod      string
 	scope         &ast.Scope
 	imports       map[string]string
@@ -224,7 +225,7 @@ pub fn (p mut Parser) top_stmt() ast.Stmt {
 			}
 		}
 		.lsbr {
-			return p.attr()
+			return p.attribute()
 		}
 		.key_module {
 			return p.module_decl()
@@ -373,13 +374,14 @@ pub fn (p mut Parser) assign_expr(left ast.Expr) ast.AssignExpr {
 	return node
 }
 
-fn (p mut Parser) attr() ast.Attr {
+fn (p mut Parser) attribute() ast.Attr {
 	p.check(.lsbr)
 	if p.tok.kind == .key_if {
 		p.next()
 	}
 	name := p.check_name()
 	p.check(.rsbr)
+	p.attr = name
 	return ast.Attr{
 		name: name
 	}