324             source_text: String::new(),
340     source_text: String,  field
385             let total_byte_offset = match self.source_text[last_byte_offset..]  in byte_range()
390                 None => self.source_text.len(),  in byte_range()
397         let trunc_lo = &self.source_text[lo_byte..];  in byte_range()
401             None => self.source_text.len(),  in byte_range()
405     fn source_text(&mut self, span: Span) -> String {  in source_text()  method
407         self.source_text[byte_range].to_owned()  in source_text()
452             source_text: src.to_owned(),  in add_file()
623     pub(crate) fn source_text(&self) -> Option<String> {  in source_text()  method
628     pub(crate) fn source_text(&self) -> Option<String> {  in source_text()  method
637                 Some(SOURCE_MAP.with(|sm| sm.borrow_mut().fileinfo_mut(*self).source_text(*self)))  in source_text()