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|
use {
ast,
SyntaxNodeRef, AstNode,
SyntaxKind::*,
};
{% for node, methods in ast %}
// {{ node }}
{%- if methods.enum %}
#[derive(Debug, Clone, Copy)]
pub enum {{ node }}<'a> {
{%- for kind in methods.enum %}
{{ kind }}({{ kind }}<'a>),
{%- endfor %}
}
impl<'a> AstNode<'a> for {{ node }}<'a> {
fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
match syntax.kind() {
{%- for kind in methods.enum %}
{{ kind | SCREAM }} => Some({{ node }}::{{ kind }}({{ kind }} { syntax })),
{%- endfor %}
_ => None,
}
}
fn syntax(self) -> SyntaxNodeRef<'a> {
match self {
{%- for kind in methods.enum %}
{{ node }}::{{ kind }}(inner) => inner.syntax(),
{%- endfor %}
}
}
}
{% else %}
#[derive(Debug, Clone, Copy)]
pub struct {{ node }}<'a> {
syntax: SyntaxNodeRef<'a>,
}
impl<'a> AstNode<'a> for {{ node }}<'a> {
fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
match syntax.kind() {
{{ node | SCREAM }} => Some({{ node }} { syntax }),
_ => None,
}
}
fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
}
{% endif %}
{% if methods.traits -%}
{%- for t in methods.traits -%}
impl<'a> ast::{{ t }}<'a> for {{ node }}<'a> {}
{% endfor -%}
{%- endif -%}
impl<'a> {{ node }}<'a> {
{%- if methods.collections -%}
{%- for m in methods.collections -%}
{%- set method_name = m.0 -%}
{%- set ChildName = m.1 %}
pub fn {{ method_name }}(self) -> impl Iterator<Item = {{ ChildName }}<'a>> + 'a {
super::children(self)
}
{% endfor -%}
{%- endif -%}
{%- if methods.options -%}
{%- for m in methods.options -%}
{%- set method_name = m.0 -%}
{%- set ChildName = m.1 %}
pub fn {{ method_name }}(self) -> Option<{{ ChildName }}<'a>> {
super::child_opt(self)
}
{% endfor -%}
{%- endif -%}
}
{% endfor %}
|
