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-rw-r--r--src/compiler/scala/tools/nsc/ast/parser/SyntaxAnalyzer.scala12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/parser/SyntaxAnalyzer.scala b/src/compiler/scala/tools/nsc/ast/parser/SyntaxAnalyzer.scala
index 8a9ce8907e..f1bf590ebf 100644
--- a/src/compiler/scala/tools/nsc/ast/parser/SyntaxAnalyzer.scala
+++ b/src/compiler/scala/tools/nsc/ast/parser/SyntaxAnalyzer.scala
@@ -23,10 +23,14 @@ abstract class SyntaxAnalyzer extends SubComponent with Parsers with MarkupParse
def apply(unit: global.CompilationUnit) {
import global._
informProgress("parsing " + unit)
- unit.body =
- if (unit.isJava) new JavaUnitParser(unit).parse()
- else if (reporter.incompleteHandled) new UnitParser(unit).parse()
- else new UnitParser(unit).smartParse()
+ // if the body is already filled in, do nothing
+ // otherwise compileLate is going to overwrite bodies of synthetic source files
+ if (unit.body == EmptyTree) {
+ unit.body =
+ if (unit.isJava) new JavaUnitParser(unit).parse()
+ else if (reporter.incompleteHandled) new UnitParser(unit).parse()
+ else new UnitParser(unit).smartParse()
+ }
if (settings.Yrangepos.value && !reporter.hasErrors)
validatePositions(unit.body)