Remove SourceMapper trait

SourceMap is now in the root of all rustc-specific crates, syntax_pos,
so there's no need for the trait object to decouple the dependencies
between librustc_errors and libsyntax as was needed previously.

1 files changed, 8 insertions, 34 deletions

diff --git a/src/libsyntax_pos/source_map.rs b/src/libsyntax_pos/source_map.rs
index 035e61f9dea..77d9807225e 100644
--- a/src/libsyntax_pos/source_map.rs
+++ b/src/libsyntax_pos/source_map.rs
@@ -22,8 +22,6 @@ use std::fs;
 use std::io;
 use log::debug;
 
-use errors::SourceMapper;
-
 #[cfg(test)]
 mod tests;
 
@@ -956,28 +954,15 @@ impl SourceMap {
 
         None
     }
-}
-
-impl SourceMapper for SourceMap {
-    fn lookup_char_pos(&self, pos: BytePos) -> Loc {
-        self.lookup_char_pos(pos)
-    }
-    fn span_to_lines(&self, sp: Span) -> FileLinesResult {
-        self.span_to_lines(sp)
-    }
-    fn span_to_string(&self, sp: Span) -> String {
-        self.span_to_string(sp)
-    }
-    fn span_to_snippet(&self, sp: Span) -> Result<String, SpanSnippetError> {
-        self.span_to_snippet(sp)
-    }
-    fn span_to_filename(&self, sp: Span) -> FileName {
-        self.span_to_filename(sp)
-    }
-    fn merge_spans(&self, sp_lhs: Span, sp_rhs: Span) -> Option<Span> {
-        self.merge_spans(sp_lhs, sp_rhs)
+    pub fn ensure_source_file_source_present(&self, source_file: Lrc<SourceFile>) -> bool {
+        source_file.add_external_src(
+            || match source_file.name {
+                FileName::Real(ref name) => self.file_loader.read_file(name).ok(),
+                _ => None,
+            }
+        )
     }
-    fn call_span_if_macro(&self, sp: Span) -> Span {
+    pub fn call_span_if_macro(&self, sp: Span) -> Span {
         if self.span_to_filename(sp.clone()).is_macros() {
             let v = sp.macro_backtrace();
             if let Some(use_site) = v.last() {
@@ -986,17 +971,6 @@ impl SourceMapper for SourceMap {
         }
         sp
     }
-    fn ensure_source_file_source_present(&self, source_file: Lrc<SourceFile>) -> bool {
-        source_file.add_external_src(
-            || match source_file.name {
-                FileName::Real(ref name) => self.file_loader.read_file(name).ok(),
-                _ => None,
-            }
-        )
-    }
-    fn doctest_offset_line(&self, file: &FileName, line: usize) -> usize {
-        self.doctest_offset_line(file, line)
-    }
 }
 
 #[derive(Clone)]