MDS/openide
1
0
Fork 0
mirror of https://gitflic.ru/project/openide/openide.git synced 2025-12-16 22:51:17 +07:00
Code Issues Packages Projects Releases Wiki Activity

ControlFlowAnalyzer#addThrows: avoid converting back to PsiTypes (also avoid possible NPE if SDK is not set)

Browse Source 
GitOrigin-RevId: 5a9776725d4f6d006444f25496620eac9a81b240
This commit is contained in:
Tagir Valeev
2019-12-31 19:04:27 +07:00
committed by intellij-monorepo-bot
parent f7a9d32840
commit 6b5916730d
1 changed files with 15 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/ControlFlowAnalyzer.java
View File

@@ -1555,17 +1555,22 @@ public class ControlFlowAnalyzer extends JavaElementVisitor {
}
private void addThrows(@Nullable PsiElement explicitCall, Collection<? extends PsiType> exceptions) {
List<PsiType> allExceptions = new ArrayList<>(exceptions);
allExceptions.add(myExceptionCache.get(JAVA_LANG_ERROR).getThrowable().getPsiType(myProject));
allExceptions.add(myExceptionCache.get(JAVA_LANG_RUNTIME_EXCEPTION).getThrowable().getPsiType(myProject));
List<PsiType> refs = PsiDisjunctionType.flattenAndRemoveDuplicates(allExceptions);
for (PsiType ref : refs) {
pushUnknown();
ConditionalGotoInstruction cond = new ConditionalGotoInstruction(null, false, null);
addInstruction(cond);
throwException(ref, explicitCall);
cond.setOffset(myCurrentFlow.getInstructionCount());
StreamEx<TypeConstraint> allExceptions = StreamEx.of(JAVA_LANG_ERROR, JAVA_LANG_RUNTIME_EXCEPTION)
.map(fqn -> myExceptionCache.get(fqn).getThrowable());
if (!exceptions.isEmpty()) {
allExceptions = allExceptions.append(StreamEx.of(exceptions).map(TypeConstraints::instanceOf))
.map(TypeConstraint::tryNegate).nonNull()
.reduce(TypeConstraints.TOP, TypeConstraint::meet)
.notInstanceOfTypes()
.map(TypeConstraint.Exact::instanceOf);
}
allExceptions.forEach(exc -> {
pushUnknown();
ConditionalGotoInstruction cond = new ConditionalGotoInstruction(null, false, null);
addInstruction(cond);
throwException(new ExceptionTransfer(exc), explicitCall);
cond.setOffset(myCurrentFlow.getInstructionCount());
});
}
void throwException(@Nullable PsiType ref, @Nullable PsiElement anchor) {