From cb958cf5fec8b051d16833ac0890cace379ad765 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Wed, 22 Jul 2020 21:50:37 +0300
Subject: Store macro invocation parameters as text instead of tt

---
 crates/ra_hir/src/db.rs             |  2 +-
 crates/ra_hir_expand/src/db.rs      | 19 +++++++++++++------
 crates/ra_ide_db/src/change.rs      |  4 ++--
 crates/ra_syntax/src/lib.rs         |  4 +---
 crates/ra_syntax/src/syntax_node.rs |  4 +++-
 5 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 1ad92a1f8..a2b9f3e35 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -11,7 +11,7 @@ pub use hir_def::db::{
 };
 pub use hir_expand::db::{
     AstDatabase, AstDatabaseStorage, AstIdMapQuery, InternEagerExpansionQuery, InternMacroQuery,
-    MacroArgQuery, MacroDefQuery, MacroExpandQuery, ParseMacroQuery,
+    MacroArgTextQuery, MacroDefQuery, MacroExpandQuery, ParseMacroQuery,
 };
 pub use hir_ty::db::{
     AssociatedTyDataQuery, AssociatedTyValueQuery, CallableItemSignatureQuery, FieldTypesQuery,
diff --git a/crates/ra_hir_expand/src/db.rs b/crates/ra_hir_expand/src/db.rs
index bf30d7151..e0ad1567f 100644
--- a/crates/ra_hir_expand/src/db.rs
+++ b/crates/ra_hir_expand/src/db.rs
@@ -6,7 +6,7 @@ use mbe::{ExpandResult, MacroRules};
 use ra_db::{salsa, SourceDatabase};
 use ra_parser::FragmentKind;
 use ra_prof::profile;
-use ra_syntax::{algo::diff, AstNode, Parse, SyntaxKind::*, SyntaxNode};
+use ra_syntax::{algo::diff, AstNode, GreenNode, Parse, SyntaxKind::*, SyntaxNode};
 
 use crate::{
     ast_id_map::AstIdMap, BuiltinDeriveExpander, BuiltinFnLikeExpander, EagerCallLoc, EagerMacroId,
@@ -72,6 +72,8 @@ pub trait AstDatabase: SourceDatabase {
 
     #[salsa::interned]
     fn intern_macro(&self, macro_call: MacroCallLoc) -> LazyMacroId;
+    fn macro_arg_text(&self, id: MacroCallId) -> Option<GreenNode>;
+    #[salsa::transparent]
     fn macro_arg(&self, id: MacroCallId) -> Option<Arc<(tt::Subtree, mbe::TokenMap)>>;
     fn macro_def(&self, id: MacroDefId) -> Option<Arc<(TokenExpander, mbe::TokenMap)>>;
     fn parse_macro(&self, macro_file: MacroFile)
@@ -148,10 +150,7 @@ pub(crate) fn macro_def(
     }
 }
 
-pub(crate) fn macro_arg(
-    db: &dyn AstDatabase,
-    id: MacroCallId,
-) -> Option<Arc<(tt::Subtree, mbe::TokenMap)>> {
+pub(crate) fn macro_arg_text(db: &dyn AstDatabase, id: MacroCallId) -> Option<GreenNode> {
     let id = match id {
         MacroCallId::LazyMacro(id) => id,
         MacroCallId::EagerMacro(_id) => {
@@ -161,7 +160,15 @@ pub(crate) fn macro_arg(
     };
     let loc = db.lookup_intern_macro(id);
     let arg = loc.kind.arg(db)?;
-    let (tt, tmap) = mbe::syntax_node_to_token_tree(&arg)?;
+    Some(arg.green().clone())
+}
+
+pub(crate) fn macro_arg(
+    db: &dyn AstDatabase,
+    id: MacroCallId,
+) -> Option<Arc<(tt::Subtree, mbe::TokenMap)>> {
+    let arg = db.macro_arg_text(id)?;
+    let (tt, tmap) = mbe::syntax_node_to_token_tree(&SyntaxNode::new_root(arg))?;
     Some(Arc::new((tt, tmap)))
 }
 
diff --git a/crates/ra_ide_db/src/change.rs b/crates/ra_ide_db/src/change.rs
index a1bb3043b..32d9a8d1f 100644
--- a/crates/ra_ide_db/src/change.rs
+++ b/crates/ra_ide_db/src/change.rs
@@ -151,7 +151,7 @@ impl RootDatabase {
 
         // Macros do take significant space, but less then the syntax trees
         // self.query(hir::db::MacroDefQuery).sweep(sweep);
-        // self.query(hir::db::MacroArgQuery).sweep(sweep);
+        // self.query(hir::db::MacroArgTextQuery).sweep(sweep);
         // self.query(hir::db::MacroExpandQuery).sweep(sweep);
 
         hir::db::AstIdMapQuery.in_db(self).sweep(sweep);
@@ -199,7 +199,7 @@ impl RootDatabase {
 
             // AstDatabase
             hir::db::AstIdMapQuery
-            hir::db::MacroArgQuery
+            hir::db::MacroArgTextQuery
             hir::db::MacroDefQuery
             hir::db::ParseMacroQuery
             hir::db::MacroExpandQuery
diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index 9b7664576..ac59455e7 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -42,8 +42,6 @@ use std::{marker::PhantomData, sync::Arc};
 use ra_text_edit::Indel;
 use stdx::format_to;
 
-use crate::syntax_node::GreenNode;
-
 pub use crate::{
     algo::InsertPosition,
     ast::{AstNode, AstToken},
@@ -51,7 +49,7 @@ pub use crate::{
     ptr::{AstPtr, SyntaxNodePtr},
     syntax_error::SyntaxError,
     syntax_node::{
-        Direction, NodeOrToken, SyntaxElement, SyntaxElementChildren, SyntaxNode,
+        Direction, GreenNode, NodeOrToken, SyntaxElement, SyntaxElementChildren, SyntaxNode,
         SyntaxNodeChildren, SyntaxToken, SyntaxTreeBuilder,
     },
 };
diff --git a/crates/ra_syntax/src/syntax_node.rs b/crates/ra_syntax/src/syntax_node.rs
index 9650b8781..a7dbdba7b 100644
--- a/crates/ra_syntax/src/syntax_node.rs
+++ b/crates/ra_syntax/src/syntax_node.rs
@@ -10,7 +10,9 @@ use rowan::{GreenNodeBuilder, Language};
 
 use crate::{Parse, SmolStr, SyntaxError, SyntaxKind, TextSize};
 
-pub(crate) use rowan::{GreenNode, GreenToken};
+pub use rowan::GreenNode;
+
+pub(crate) use rowan::GreenToken;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub enum RustLanguage {}
-- 
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