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Unified Diff: lib/compiler/implementation/ssa/nodes.dart

Issue 11033016: Added TODO. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 2 months ago
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Index: lib/compiler/implementation/ssa/nodes.dart
diff --git a/lib/compiler/implementation/ssa/nodes.dart b/lib/compiler/implementation/ssa/nodes.dart
index 0476db3a617b0a0506d6e9bcdbf9a3819cae8bb0..7d979d7ec1bd1b74b6a8deb39d6466b18012c25d 100644
--- a/lib/compiler/implementation/ssa/nodes.dart
+++ b/lib/compiler/implementation/ssa/nodes.dart
@@ -68,7 +68,7 @@ abstract class HVisitor<R> {
R visitTypeConversion(HTypeConversion node);
}
-class HGraphVisitor {
+abstract class HGraphVisitor {
visitDominatorTree(HGraph graph) {
void visitBasicBlockAndSuccessors(HBasicBlock block) {
visitBasicBlock(block);
@@ -96,7 +96,7 @@ class HGraphVisitor {
abstract visitBasicBlock(HBasicBlock block);
}
-class HInstructionVisitor extends HGraphVisitor {
+abstract class HInstructionVisitor extends HGraphVisitor {
HBasicBlock currentBlock;
abstract visitInstruction(HInstruction node);
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