Add support for formatting entire document with rustfmt

Attempting to format a document when rustfmt isn't installed will result
in an error being returned to the frontend. An alternative
implementation would be returning zero replacements.

2 files changed, 6 insertions, 0 deletions

diff --git a/crates/ra_analysis/src/imp.rs b/crates/ra_analysis/src/imp.rs
index fcb4cd957..bff2e00c9 100644
--- a/crates/ra_analysis/src/imp.rs
+++ b/crates/ra_analysis/src/imp.rs
@@ -140,6 +140,9 @@ impl fmt::Debug for AnalysisImpl {
 }
 
 impl AnalysisImpl {
+    pub fn file_text(&self, file_id: FileId) -> Arc<String> {
+        self.db.file_text(file_id)
+    }
     pub fn file_syntax(&self, file_id: FileId) -> SourceFileNode {
         self.db.source_file(file_id)
     }
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index 67b1c1482..9f5e9f358 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -274,6 +274,9 @@ pub struct Analysis {
 }
 
 impl Analysis {
+    pub fn file_text(&self, file_id: FileId) -> Arc<String> {
+        self.imp.file_text(file_id)
+    }
     pub fn file_syntax(&self, file_id: FileId) -> SourceFileNode {
         self.imp.file_syntax(file_id).clone()
     }