Index: sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart b/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart |
index 597d50ef8f735601d7a352b37519ae858506fd98..7f4bf146e9ec531ac1b3fde9c736e2e349956c40 100644 |
--- a/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart |
+++ b/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart |
@@ -1548,7 +1548,10 @@ if (typeof $printHelperName === "function") { |
void outputSourceMap(String code, String name) { |
if (!generateSourceMap) return; |
- SourceFile compiledFile = new SourceFile(null, compiler.assembledCode); |
+ // Create a source file for the compilation output. This allows using |
+ // [:getLine:] to transform offsets to line numbers in [SourceMapBuilder]. |
+ SourceFile compiledFile = |
+ new StringSourceFile(null, compiler.assembledCode); |
String sourceMap = buildSourceMap(mainBuffer, compiledFile); |
compiler.outputProvider(name, 'js.map') |
..add(sourceMap) |