teo_parser/ast/
function_declaration.rs1use crate::ast::argument_list_declaration::ArgumentListDeclaration;
2
3use crate::ast::callable_variant::CallableVariant;
4use crate::ast::doc_comment::DocComment;
5use crate::ast::generics::{GenericsConstraint, GenericsDeclaration};
6use crate::ast::identifier::Identifier;
7use crate::ast::type_expr::TypeExpr;
8use crate::ast::struct_declaration::StructDeclaration;
9use crate::{declare_container_node, impl_container_node_defaults, node_child_fn, node_optional_child_fn};
10use crate::format::Writer;
11use crate::traits::info_provider::InfoProvider;
12use crate::traits::write::Write;
13
14declare_container_node!(FunctionDeclaration, named, availability,
15 pub r#static: bool,
16 pub inside_struct: bool,
17 pub(crate) comment: Option<usize>,
18 pub(crate) identifier: usize,
19 pub(crate) generics_declaration: Option<usize>,
20 pub(crate) argument_list_declaration: usize,
21 pub(crate) generics_constraint: Option<usize>,
22 pub(crate) return_type: usize,
23);
24
25impl_container_node_defaults!(FunctionDeclaration, named, availability);
26
27impl FunctionDeclaration {
28
29 node_optional_child_fn!(comment, DocComment);
30
31 node_child_fn!(identifier, Identifier);
32
33 node_optional_child_fn!(generics_declaration, GenericsDeclaration);
34
35 node_child_fn!(argument_list_declaration, ArgumentListDeclaration);
36
37 node_optional_child_fn!(generics_constraint, GenericsConstraint);
38
39 node_child_fn!(return_type, TypeExpr);
40
41 pub fn callable_variants<'a>(&'a self, struct_declaration: &'a StructDeclaration) -> Vec<CallableVariant<'a>> {
42 let mut generics_declaration = vec![];
43 let mut generics_constraint = vec![];
44 if let Some(d) = struct_declaration.generics_declaration() {
45 generics_declaration.push(d);
46 }
47 if let Some(d) = struct_declaration.generics_constraint() {
48 generics_constraint.push(d);
49 }
50 if let Some(d) = self.generics_declaration() {
51 generics_declaration.push(d);
52 }
53 if let Some(d) = self.generics_constraint() {
54 generics_constraint.push(d);
55 }
56 vec![CallableVariant {
57 generics_declarations: generics_declaration,
58 argument_list_declaration: Some(self.argument_list_declaration()),
59 generics_constraints: generics_constraint,
60 pipeline_input: None,
61 pipeline_output: None,
62 }]
63 }
64}
65
66impl InfoProvider for FunctionDeclaration {
67
68 fn namespace_skip(&self) -> usize {
69 if self.inside_struct {
70 2
71 } else {
72 1
73 }
74 }
75}
76
77impl Write for FunctionDeclaration {
78 fn write<'a>(&'a self, writer: &mut Writer<'a>) {
79 writer.write_children(self, self.children.values())
80 }
81 fn is_block_level_element(&self) -> bool {
82 true
83 }
84}