Simplify CompletionContext by introducing a path CallKind enum

crates/ide_completion/src/render/builder_ext.rs

@@ -2,7 +2,7 @@
 
 use itertools::Itertools;
 
-use crate::{item::Builder, CompletionContext};
+use crate::{context::CallKind, item::Builder, patterns::ImmediateLocation, CompletionContext};
 
 #[derive(Debug)]
 pub(super) enum Params {
@@ -32,10 +32,12 @@ impl Builder {
             cov_mark::hit!(no_parens_in_use_item);
             return false;
         }
-        if ctx.is_pattern_call {
-            return false;
-        }
-        if ctx.is_call {
+        if matches!(ctx.path_call_kind(), Some(CallKind::Expr) | Some(CallKind::Pat))
+            | matches!(
+                ctx.completion_location,
+                Some(ImmediateLocation::MethodCall { has_parens: true, .. })
+            )
+        {
             return false;
         }
 

crates/ide_completion/src/render/macro_.rs

@@ -5,6 +5,7 @@ use ide_db::SymbolKind;
 use syntax::display::macro_label;
 
 use crate::{
+    context::CallKind,
     item::{CompletionItem, CompletionKind, ImportEdit},
     render::RenderContext,
 };
@@ -68,7 +69,8 @@ impl<'a> MacroRender<'a> {
     }
 
     fn needs_bang(&self) -> bool {
-        self.ctx.completion.use_item_syntax.is_none() && !self.ctx.completion.is_macro_call
+        self.ctx.completion.use_item_syntax.is_none()
+            && !matches!(self.ctx.completion.path_call_kind(), Some(CallKind::Mac))
     }
 
     fn label(&self) -> String {