diff options
| -rw-r--r-- | sources/scalac/backend/jvm/GenJVM.java | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sources/scalac/backend/jvm/GenJVM.java b/sources/scalac/backend/jvm/GenJVM.java index 1e49389425..b55bedd46b 100644 --- a/sources/scalac/backend/jvm/GenJVM.java +++ b/sources/scalac/backend/jvm/GenJVM.java @@ -483,6 +483,25 @@ class GenJVM { generatedType = finalType; } break; + case Switch(Tree test, int[] tags, Tree[] bodies, Tree otherwise): { + JLabel[] labels = new JLabel[bodies.length]; + for (int i = 0; i < labels.length; ++i) labels[i] = new JLabel(); + JLabel defaultLabel = new JLabel(); + JLabel afterLabel = new JLabel(); + + genLoad(ctx, test, JType.INT); + ctx.code.emitSWITCH(tags, labels, defaultLabel, 0.9F); + for (int i = 0; i < bodies.length; ++i) { + ctx.code.anchorLabelToNext(labels[i]); + genLoad(ctx, bodies[i], expectedType); + ctx.code.emitGOTO(afterLabel); + } + ctx.code.anchorLabelToNext(defaultLabel); + genLoad(ctx, otherwise, expectedType); + ctx.code.anchorLabelToNext(afterLabel); + generatedType = expectedType; + } break; + case This(_): case Super(_, _): ctx.code.emitALOAD_0(); |