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//! This module defines an accumulator for completions which are going to be presented to user.
pub(crate) mod attribute;
pub(crate) mod dot;
pub(crate) mod record;
pub(crate) mod pattern;
pub(crate) mod fn_param;
pub(crate) mod keyword;
pub(crate) mod snippet;
pub(crate) mod qualified_path;
pub(crate) mod unqualified_path;
pub(crate) mod postfix;
pub(crate) mod macro_in_item_position;
pub(crate) mod trait_impl;
pub(crate) mod mod_;
use hir::{ModPath, ScopeDef, Type};
use crate::{item::Builder, render::*, CompletionContext, CompletionItem};
/// Represents an in-progress set of completions being built.
#[derive(Debug, Default)]
pub struct Completions {
buf: Vec<CompletionItem>,
}
impl Into<Vec<CompletionItem>> for Completions {
fn into(self) -> Vec<CompletionItem> {
self.buf
}
}
impl Builder {
/// Convenience method, which allows to add a freshly created completion into accumulator
/// without binding it to the variable.
pub(crate) fn add_to(self, acc: &mut Completions) {
acc.add(self.build())
}
}
impl Completions {
pub(crate) fn add(&mut self, item: CompletionItem) {
self.buf.push(item.into())
}
pub(crate) fn add_all<I>(&mut self, items: I)
where
I: IntoIterator,
I::Item: Into<CompletionItem>,
{
items.into_iter().for_each(|item| self.add(item.into()))
}
pub(crate) fn add_field(&mut self, ctx: &CompletionContext, field: hir::Field, ty: &Type) {
let item = Render::new(ctx.into()).add_field(field, ty);
self.add(item);
}
pub(crate) fn add_tuple_field(&mut self, ctx: &CompletionContext, field: usize, ty: &Type) {
let item = Render::new(ctx.into()).add_tuple_field(field, ty);
self.add(item);
}
pub(crate) fn add_resolution(
&mut self,
ctx: &CompletionContext,
local_name: String,
resolution: &ScopeDef,
) {
if let Some(item) = Render::new(ctx.into()).render_resolution(local_name, resolution) {
self.add(item);
}
}
pub(crate) fn add_macro(
&mut self,
ctx: &CompletionContext,
name: Option<String>,
macro_: hir::MacroDef,
) {
let name = match name {
Some(it) => it,
None => return,
};
if let Some(item) = MacroRender::new(ctx.into(), name, macro_).render() {
self.add(item);
}
}
pub(crate) fn add_function(
&mut self,
ctx: &CompletionContext,
func: hir::Function,
local_name: Option<String>,
) {
let item = FunctionRender::new(ctx.into(), local_name, func).render();
self.add(item)
}
pub(crate) fn add_const(&mut self, ctx: &CompletionContext, constant: hir::Const) {
if let Some(item) = ConstRender::new(ctx.into(), constant).render() {
self.add(item);
}
}
pub(crate) fn add_type_alias(&mut self, ctx: &CompletionContext, type_alias: hir::TypeAlias) {
if let Some(item) = TypeAliasRender::new(ctx.into(), type_alias).render() {
self.add(item)
}
}
pub(crate) fn add_qualified_enum_variant(
&mut self,
ctx: &CompletionContext,
variant: hir::EnumVariant,
path: ModPath,
) {
let item = EnumVariantRender::new(ctx.into(), None, variant, Some(path)).render();
self.add(item);
}
pub(crate) fn add_enum_variant(
&mut self,
ctx: &CompletionContext,
variant: hir::EnumVariant,
local_name: Option<String>,
) {
let item = EnumVariantRender::new(ctx.into(), local_name, variant, None).render();
self.add(item);
}
}
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