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Support completion for macros

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uHOOCCOOHu 2019-09-10 13:32:47 +08:00
parent e2ebb467bd
commit 7de9537ccc
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4 changed files with 295 additions and 2 deletions
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24
crates/ra_ide_api/src/completion/presentation.rs
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@ -8,7 +8,7 @@ use crate::completion::{
CompletionContext, CompletionItem, CompletionItemKind, CompletionKind, Completions,
};
use crate::display::{const_label, function_label, type_label};
use crate::display::{const_label, function_label, macro_label, type_label};
impl Completions {
pub(crate) fn add_field(
@ -43,8 +43,14 @@ impl Completions {
) {
use hir::ModuleDef::*;
if let Some(macro_) = resolution.get_macros() {
self.add_macro(ctx, Some(local_name.clone()), macro_);
}
let def = resolution.as_ref().take_types().or_else(|| resolution.as_ref().take_values());
let def = match def {
// Only insert once if it is just a macro name
None if resolution.get_macros().is_some() => return,
None => {
self.add(CompletionItem::new(
CompletionKind::Reference,
@ -98,6 +104,22 @@ impl Completions {
self.add_function_with_name(ctx, None, func)
}
fn add_macro(&mut self, ctx: &CompletionContext, name: Option<String>, macro_: hir::MacroDef) {
let ast_node = macro_.source(ctx.db).ast;
if let Some(name) = name {
let detail = macro_label(&ast_node);
let builder =
CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.clone())
.kind(CompletionItemKind::Macro)
.set_documentation(macro_.docs(ctx.db))
.detail(detail)
.insert_snippet(format!("{}!", name));
self.add(builder);
}
}
fn add_function_with_name(
&mut self,
ctx: &CompletionContext,