1 //===--- SortJavaScriptImports.cpp - Sort ES6 Imports -----------*- C++ -*-===//
10 /// This file implements a sort operation for JavaScript ES6 imports.
45     // but imports at different code locations are still conceptually the same.  in operator ==()
64 // imports and exports support individual symbols, but also a wildcard syntax:
68 // This struct represents both exports and imports to build up the information
85   // Prefix from "import * as prefix". Empty for symbol imports and `export *`.
110     // Side effect imports and aliases might be ordering sensitive. Consider  in operator <()
121   // '*' imports (with prefix) sort before {a, b, ...} imports.  in operator <()
129 // JavaScriptImportSorter sorts JavaScript ES6 imports and exports. It is
130 // implemented as a TokenAnalyzer because ES6 imports have substantial syntactic
157     // The text range of all parsed imports, to be replaced later.  in analyze()
168         // Insert breaks between imports and exports.  in analyze()
170         // Separate imports groups with two line breaks, but keep all exports  in analyze()
187     // This loop just backfills trailing spaces after the imports, which are  in analyze()
201     LLVM_DEBUG(llvm::dbgs() << "Replacing imports:\n"  in analyze()
254   // Imports can have formatting disabled (FormattingOff), so the code below
260     // Imports can have formatting disabled (FormattingOff), so the code below  in sortModuleReferences()
267         // Skip over all imports w/ disabled formatting.  in sortModuleReferences()
273         // Skip over all imports w/ disabled formatting.  in sortModuleReferences()
317       // Merge symbols from identical imports.  in mergeModuleReferences()
434     // Sort imports if any import line was affected.  in parseModuleReferences()
462       // imports have a 'from' clause, exports might not.  in parseModuleReference()
580     // For named imports with a trailing comma ("import {X,}"), consider the  in parseNamedBindings()