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'Switch' statements with single case converted to 'if', other warnings fixed

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This commit is contained in:
Tagir Valeev
2018-10-01 15:43:04 +07:00
parent c7bdab8b00
commit 32674967de
2 changed files with 28 additions and 30 deletions
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45
src/org/jetbrains/java/decompiler/modules/decompiler/ExitHelper.java
View File

@@ -80,32 +80,31 @@ public class ExitHelper {
}
}
switch (stat.type) {
case Statement.TYPE_IF:
IfStatement ifst = (IfStatement)stat;
if (ifst.getIfstat() == null) {
StatEdge ifedge = ifst.getIfEdge();
dest = isExitEdge(ifedge);
if (dest != null) {
BasicBlockStatement bstat = new BasicBlockStatement(new BasicBlock(
DecompilerContext.getCounterContainer().getCounterAndIncrement(CounterContainer.STATEMENT_COUNTER)));
bstat.setExprents(DecHelper.copyExprentList(dest.getExprents()));
if (stat.type == Statement.TYPE_IF) {
IfStatement ifst = (IfStatement)stat;
if (ifst.getIfstat() == null) {
StatEdge ifedge = ifst.getIfEdge();
dest = isExitEdge(ifedge);
if (dest != null) {
BasicBlockStatement bstat = new BasicBlockStatement(new BasicBlock(
DecompilerContext.getCounterContainer().getCounterAndIncrement(CounterContainer.STATEMENT_COUNTER)));
bstat.setExprents(DecHelper.copyExprentList(dest.getExprents()));
ifst.getFirst().removeSuccessor(ifedge);
StatEdge newedge = new StatEdge(StatEdge.TYPE_REGULAR, ifst.getFirst(), bstat);
ifst.getFirst().addSuccessor(newedge);
ifst.setIfEdge(newedge);
ifst.setIfstat(bstat);
ifst.getStats().addWithKey(bstat, bstat.id);
bstat.setParent(ifst);
ifst.getFirst().removeSuccessor(ifedge);
StatEdge newedge = new StatEdge(StatEdge.TYPE_REGULAR, ifst.getFirst(), bstat);
ifst.getFirst().addSuccessor(newedge);
ifst.setIfEdge(newedge);
ifst.setIfstat(bstat);
ifst.getStats().addWithKey(bstat, bstat.id);
bstat.setParent(ifst);
StatEdge oldexitedge = dest.getAllSuccessorEdges().get(0);
StatEdge newexitedge = new StatEdge(StatEdge.TYPE_BREAK, bstat, oldexitedge.getDestination());
bstat.addSuccessor(newexitedge);
oldexitedge.closure.addLabeledEdge(newexitedge);
ret = 1;
}
StatEdge oldexitedge = dest.getAllSuccessorEdges().get(0);
StatEdge newexitedge = new StatEdge(StatEdge.TYPE_BREAK, bstat, oldexitedge.getDestination());
bstat.addSuccessor(newexitedge);
oldexitedge.closure.addLabeledEdge(newexitedge);
ret = 1;
}
}
}
}

13
src/org/jetbrains/java/decompiler/modules/decompiler/MergeHelper.java
View File

@@ -376,14 +376,13 @@ public class MergeHelper {
return stat;
}
switch (stat.type) {
case Statement.TYPE_SEQUENCE:
for (int i = stat.getStats().size() - 1; i >= 0; i--) {
Statement tmp = getLastDirectData(stat.getStats().get(i));
if (tmp == null || !tmp.getExprents().isEmpty()) {
return tmp;
}
if (stat.type == Statement.TYPE_SEQUENCE) {
for (int i = stat.getStats().size() - 1; i >= 0; i--) {
Statement tmp = getLastDirectData(stat.getStats().get(i));
if (tmp == null || !tmp.getExprents().isEmpty()) {
return tmp;
}
}
}
return null;
}