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Use dict for AST

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This commit is contained in:
Aleksey Kladov 2018-08-11 10:11:58 +03:00
parent e69c70e2a2
commit 2e971cdcbb
3 changed files with 18 additions and 26 deletions
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23
crates/libsyntax2/src/ast/generated.rs.tera
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@ -3,28 +3,27 @@ use {
SyntaxNode, SyntaxRoot, TreeRoot, AstNode,
SyntaxKind::*,
};
{% for node in ast %}
{% set Name = node.kind | camel %}
{% for node, methods in ast %}
#[derive(Debug, Clone, Copy)]
pub struct {{ Name }}<R: TreeRoot = Arc<SyntaxRoot>> {
pub struct {{ node }}<R: TreeRoot = Arc<SyntaxRoot>> {
syntax: SyntaxNode<R>,
}
impl<R: TreeRoot> AstNode<R> for {{ Name }}<R> {
impl<R: TreeRoot> AstNode<R> for {{ node }}<R> {
fn cast(syntax: SyntaxNode<R>) -> Option<Self> {
match syntax.kind() {
{{ node.kind }} => Some({{ Name }} { syntax }),
{{ node | upper }} => Some({{ node }} { syntax }),
_ => None,
}
}
fn syntax(&self) -> &SyntaxNode<R> { &self.syntax }
}
impl<R: TreeRoot> {{ Name }}<R> {
{%- if node.collections -%}
{%- for m in node.collections -%}
impl<R: TreeRoot> {{ node }}<R> {
{%- if methods.collections -%}
{%- for m in methods.collections -%}
{%- set method_name = m.0 -%}
{%- set ChildName = m.1 | camel %}
{%- set ChildName = m.1 %}
pub fn {{ method_name }}<'a>(&'a self) -> impl Iterator<Item = {{ ChildName }}<R>> + 'a {
self.syntax()
.children()
@ -33,10 +32,10 @@ impl<R: TreeRoot> {{ Name }}<R> {
{% endfor -%}
{%- endif -%}
{%- if node.options -%}
{%- for m in node.options -%}
{%- if methods.options -%}
{%- for m in methods.options -%}
{%- set method_name = m.0 -%}
{%- set ChildName = m.1 | camel %}
{%- set ChildName = m.1 %}
pub fn {{ method_name }}(&self) -> Option<{{ ChildName }}<R>> {
self.syntax()
.children()