From 54d12f0581f6401c7693ccb0e3105868da19cec2 Mon Sep 17 00:00:00 2001 From: Jason Zaugg Date: Fri, 7 Nov 2014 23:12:43 +1000 Subject: SI-8502 Improve resiliance to absent packages When unpickling a class, we create stub symbols for references to classes absent from the current classpath. If these references only appear in method signatures that aren't called, we can proceed with compilation. This is in line with javac. We're getting better at this, but there are still some gaps. This bug is about the behaviour when a package is completely missing, rather than just a single class within that package. To make this work we have to add two special cases to the unpickler: - When unpickling a `ThisType`, convert a `StubTermSymbol` into a `StubTypeSymbol`. We hit this when unpickling `ThisType(missingPackage)`. - When unpickling a reference to `.name` where `` is a stub symbol, don't call info on that owner, but rather allow the enclosing code in `readSymbol` fall through to create a stub for the member. The test case was distilled from an a problem that a Spray user encountered when Akka was missing from the classpath. Two existing test cases have progressed, and the checkfiles are accordingly updated. --- test/files/neg/t5148.check | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'test/files/neg') diff --git a/test/files/neg/t5148.check b/test/files/neg/t5148.check index 0de4fe2d4c..286ed9e04a 100644 --- a/test/files/neg/t5148.check +++ b/test/files/neg/t5148.check @@ -1,6 +1,11 @@ error: missing or invalid dependency detected while loading class file 'Imports.class'. +Could not access type Wrapper in class scala.tools.nsc.interpreter.IMain.Request, +because it (or its dependencies) are missing. Check your build definition for +missing or conflicting dependencies. (Re-run with `-Ylog-classpath` to see the problematic classpath.) +A full rebuild may help if 'Imports.class' was compiled against an incompatible version of scala.tools.nsc.interpreter.IMain.Request. +error: missing or invalid dependency detected while loading class file 'Imports.class'. Could not access type Request in class scala.tools.nsc.interpreter.IMain, because it (or its dependencies) are missing. Check your build definition for missing or conflicting dependencies. (Re-run with `-Ylog-classpath` to see the problematic classpath.) A full rebuild may help if 'Imports.class' was compiled against an incompatible version of scala.tools.nsc.interpreter.IMain. -one error found +two errors found -- cgit v1.2.3