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Rust: skip macro expansion in unexpanded attribute macro AST

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This commit is contained in:
Paolo Tranquilli
2025-05-16 16:15:03 +02:00
parent 32cece3a43
commit abf21ba767
3 changed files with 383 additions and 179 deletions
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8
rust/ast-generator/templates/extractor.mustache
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@@ -2,7 +2,7 @@
use super::base::Translator;
use super::mappings::TextValue;
use crate::emit_detached;
use crate::{pre_emit,post_emit};
use crate::generated;
use crate::trap::{Label, TrapId};
use ra_ap_syntax::ast::{
@@ -22,18 +22,20 @@ impl Translator<'_> {
{{#enums}}
pub(crate) fn emit_{{snake_case_name}}(&mut self, node: &ast::{{ast_name}}) -> Option<Label<generated::{{name}}>> {
pre_emit!({{name}}, self, node);
let label = match node {
{{#variants}}
ast::{{ast_name}}::{{variant_ast_name}}(inner) => self.emit_{{snake_case_name}}(inner).map(Into::into),
{{/variants}}
}?;
emit_detached!({{name}}, self, node, label);
post_emit!({{name}}, self, node, label);
Some(label)
}
{{/enums}}
{{#nodes}}
pub(crate) fn emit_{{snake_case_name}}(&mut self, node: &ast::{{ast_name}}) -> Option<Label<generated::{{name}}>> {
pre_emit!({{name}}, self, node);
{{#has_attrs}}
if self.should_be_excluded(node) { return None; }
{{/has_attrs}}
@@ -58,7 +60,7 @@ impl Translator<'_> {
{{/fields}}
});
self.emit_location(label, node);
emit_detached!({{name}}, self, node, label);
post_emit!({{name}}, self, node, label);
self.emit_tokens(node, label.into(), node.syntax().children_with_tokens());
Some(label)
}