This is an automated email from the ASF dual-hosted git repository.
entl pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/netbeans.git
The following commit(s) were added to refs/heads/master by this push:
new 0a881f2 Fixed NPEs in Truffle debugger when SourceSection is null.
0a881f2 is described below
commit 0a881f2368d8eecdf6317927e03ca809610c9190
Author: Martin Entlicher <[email protected]>
AuthorDate: Mon Jun 7 15:46:38 2021 +0200
Fixed NPEs in Truffle debugger when SourceSection is null.
---
.../modules/debugger/jpda/truffle/Utils.java | 9 ++++++
.../jpda/truffle/access/TruffleAccess.java | 32 +++++++++++--------
.../jpda/truffle/access/TruffleStrataProvider.java | 8 ++++-
.../jpda/truffle/frames/TruffleStackFrame.java | 36 ++++++++++++----------
.../models/DebuggingTruffleActionsProvider.java | 5 ++-
.../frames/models/DebuggingTruffleTreeModel.java | 7 ++++-
.../jpda/truffle/frames/models/TruffleDVFrame.java | 30 +++++++++++++++---
.../debugger/jpda/truffle/source/Source.java | 8 ++++-
.../debugger/jpda/backend/truffle/FrameInfo.java | 2 +-
.../jpda/backend/truffle/JPDATruffleAccessor.java | 3 +-
.../jpda/backend/truffle/SourcePosition.java | 32 +++++++++++--------
11 files changed, 119 insertions(+), 53 deletions(-)
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/Utils.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/Utils.java
index 2917a83..506ecda 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/Utils.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/Utils.java
@@ -61,4 +61,13 @@ public final class Utils {
sb.append ("</html>");
return sb.toString ();
}
+
+ public static String stringOrNull(String str) {
+ if ("null".equals(str)) {
+ return null;
+ } else {
+ return str;
+ }
+ }
+
}
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleAccess.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleAccess.java
index 7392ee2..eaf94da 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleAccess.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleAccess.java
@@ -86,6 +86,7 @@ import
org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl;
import org.netbeans.modules.debugger.jpda.truffle.LanguageName;
import org.netbeans.modules.debugger.jpda.truffle.RemoteServices;
import org.netbeans.modules.debugger.jpda.truffle.TruffleDebugManager;
+import org.netbeans.modules.debugger.jpda.truffle.Utils;
import org.netbeans.modules.debugger.jpda.truffle.actions.StepActionProvider;
import org.netbeans.modules.debugger.jpda.truffle.ast.TruffleNode;
import org.netbeans.modules.debugger.jpda.truffle.frames.TruffleStackFrame;
@@ -497,7 +498,12 @@ public class TruffleAccess implements
JPDABreakpointListener {
return null;
}
long id = (Long) varSrcId.createMirrorObject();
- String sourceSection = (String)
sourcePositionVar.getField(VAR_SRC_SOURCESECTION).createMirrorObject();
+ Field varSourceSection =
sourcePositionVar.getField(VAR_SRC_SOURCESECTION);
+ String sourceSection = (String) varSourceSection.createMirrorObject();
+ if (sourceSection == null) {
+ // No source section information
+ return null;
+ }
Source src = Source.getExistingSource(debugger, id);
if (src == null) {
String name = (String)
sourcePositionVar.getField(VAR_SRC_NAME).createMirrorObject();
@@ -582,26 +588,26 @@ public class TruffleAccess implements
JPDABreakpointListener {
sourceName = sourceDef.substring(i1, i2);
i1 = i2 + 1;
i2 = sourceDef.indexOf('\n', i1);
- hostMethodName = sourceDef.substring(i1, i2);
- if ("null".equals(hostMethodName)) {
- hostMethodName = null;
- }
+ hostMethodName = Utils.stringOrNull(sourceDef.substring(i1, i2));
i1 = i2 + 1;
i2 = sourceDef.indexOf('\n', i1);
sourcePath = sourceDef.substring(i1, i2);
i1 = i2 + 1;
i2 = sourceDef.indexOf('\n', i1);
- try {
- sourceURI = new URI(sourceDef.substring(i1, i2));
- } catch (URISyntaxException usex) {
- throw new IllegalStateException("Bad URI:
"+sourceDef.substring(i1, i2), usex);
+ String uriStr = Utils.stringOrNull(sourceDef.substring(i1, i2));
+ if (uriStr != null) {
+ try {
+ sourceURI = new URI(uriStr);
+ } catch (URISyntaxException usex) {
+ Exceptions.printStackTrace(new IllegalStateException("Bad
URI: "+sourceDef.substring(i1, i2), usex));
+ sourceURI = null;
+ }
+ } else {
+ sourceURI = null;
}
i1 = i2 + 1;
i2 = sourceDef.indexOf('\n', i1);
- mimeType = sourceDef.substring(i1, i2);
- if ("null".equals(mimeType)) {
- mimeType = null;
- }
+ mimeType = Utils.stringOrNull(sourceDef.substring(i1, i2));
i1 = i2 + 1;
i2 = sourceDef.indexOf('\n', i1);
if (i2 < 0) {
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleStrataProvider.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleStrataProvider.java
index 464b610..a35f38f 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleStrataProvider.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/access/TruffleStrataProvider.java
@@ -24,6 +24,7 @@ import java.util.List;
import org.netbeans.modules.debugger.jpda.models.CallStackFrameImpl;
import org.netbeans.modules.debugger.jpda.spi.StrataProvider;
+import org.netbeans.modules.debugger.jpda.truffle.source.SourcePosition;
import org.netbeans.spi.debugger.DebuggerServiceRegistration;
/**
@@ -63,7 +64,12 @@ public class TruffleStrataProvider implements StrataProvider
{
if (TRUFFLE_STRATUM.equals(stratum) && isInTruffleAccessPoint(csf)) {
CurrentPCInfo currentPCInfo =
TruffleAccess.getCurrentGuestPCInfo(csf.getThread());
if (currentPCInfo != null) {
- return currentPCInfo.getSourcePosition().getStartLine();
+ SourcePosition sourcePosition =
currentPCInfo.getSourcePosition();
+ if (sourcePosition != null) {
+ return sourcePosition.getStartLine();
+ } else {
+ return 0;
+ }
}
}
return csf.getLineNumber(stratum);
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/TruffleStackFrame.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/TruffleStackFrame.java
index 9049d6c..19684f4 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/TruffleStackFrame.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/TruffleStackFrame.java
@@ -31,6 +31,7 @@ import org.netbeans.api.debugger.jpda.JPDADebugger;
import org.netbeans.api.debugger.jpda.JPDAThread;
import org.netbeans.api.debugger.jpda.ObjectVariable;
import org.netbeans.modules.debugger.jpda.truffle.LanguageName;
+import org.netbeans.modules.debugger.jpda.truffle.Utils;
import org.netbeans.modules.debugger.jpda.truffle.access.CurrentPCInfo;
import org.netbeans.modules.debugger.jpda.truffle.access.TruffleAccess;
import org.netbeans.modules.debugger.jpda.truffle.source.Source;
@@ -115,25 +116,33 @@ public final class TruffleStackFrame {
hostClassName = frameDefinition.substring(i1, i2);
i1 = i2 + 1;
i2 = frameDefinition.indexOf('\n', i1);
- hostMethodName = stringOrNull(frameDefinition.substring(i1, i2));
+ hostMethodName = Utils.stringOrNull(frameDefinition.substring(i1,
i2));
i1 = i2 + 1;
i2 = frameDefinition.indexOf('\n', i1);
- try {
- sourceURI = new URI(frameDefinition.substring(i1, i2));
- } catch (URISyntaxException usex) {
- throw new IllegalStateException("Bad URI:
"+frameDefinition.substring(i1, i2), usex);
+ String uriStr = Utils.stringOrNull(frameDefinition.substring(i1,
i2));
+ URI uri;
+ if (uriStr != null) {
+ try {
+ uri = new URI(uriStr);
+ } catch (URISyntaxException usex) {
+ Exceptions.printStackTrace(new IllegalStateException("Bad
URI: "+uriStr, usex));
+ uri = null;
+ }
+ } else {
+ uri = null;
}
+ sourceURI = uri;
i1 = i2 + 1;
i2 = frameDefinition.indexOf('\n', i1);
- mimeType = stringOrNull(frameDefinition.substring(i1, i2));
+ mimeType = Utils.stringOrNull(frameDefinition.substring(i1, i2));
i1 = i2 + 1;
if (includeInternal) {
i2 = frameDefinition.indexOf('\n', i1);
- sourceSection = frameDefinition.substring(i1, i2);
+ sourceSection =
Utils.stringOrNull(frameDefinition.substring(i1, i2));
i1 = i2 + 1;
internalFrame = Boolean.valueOf(frameDefinition.substring(i1));
} else {
- sourceSection = frameDefinition.substring(i1);
+ sourceSection =
Utils.stringOrNull(frameDefinition.substring(i1));
}
} catch (IndexOutOfBoundsException ioob) {
throw new
IllegalStateException("frameDefinition='"+frameDefinition+"'", ioob);
@@ -144,14 +153,6 @@ public final class TruffleStackFrame {
this.isInternal = internalFrame;
}
- private static String stringOrNull(String str) {
- if ("null".equals(str)) {
- return null;
- } else {
- return str;
- }
- }
-
public final JPDADebugger getDebugger() {
return debugger;
}
@@ -193,6 +194,9 @@ public final class TruffleStackFrame {
}
public SourcePosition getSourcePosition() {
+ if (sourceSection == null) {
+ return null;
+ }
Source src = Source.getExistingSource(debugger, sourceId);
if (src == null) {
src = Source.getSource(debugger, sourceId, sourceName,
hostMethodName, sourcePath, sourceURI, mimeType, codeRef);
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleActionsProvider.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleActionsProvider.java
index 99c2643..b982310 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleActionsProvider.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleActionsProvider.java
@@ -161,6 +161,9 @@ public class DebuggingTruffleActionsProvider implements
NodeActionsProviderFilte
private static void goToSource(final TruffleStackFrame f) {
final SourcePosition sourcePosition = f.getSourcePosition();
+ if (sourcePosition == null) {
+ return ;
+ }
SwingUtilities.invokeLater (new Runnable () {
@Override
public void run () {
@@ -239,7 +242,7 @@ public class DebuggingTruffleActionsProvider implements
NodeActionsProviderFilte
return false;
}
//return isGoToSourceSupported ((TruffleStackFrame) node);
- return true;
+ return ((TruffleStackFrame) node).getSourcePosition() !=
null;
}
@Override
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleTreeModel.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleTreeModel.java
index cb546de..10ae4a6 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleTreeModel.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/DebuggingTruffleTreeModel.java
@@ -35,6 +35,7 @@ import static
org.netbeans.modules.debugger.jpda.truffle.access.TruffleAccess.BA
import org.netbeans.modules.debugger.jpda.truffle.actions.StepActionProvider;
import org.netbeans.modules.debugger.jpda.truffle.frames.TruffleStackFrame;
import org.netbeans.modules.debugger.jpda.truffle.options.TruffleOptions;
+import org.netbeans.modules.debugger.jpda.truffle.source.SourcePosition;
import org.netbeans.modules.debugger.jpda.ui.debugging.JPDADVFrame;
import org.netbeans.modules.debugger.jpda.ui.debugging.JPDADVThread;
import org.netbeans.modules.debugger.jpda.util.WeakCacheMap;
@@ -312,7 +313,11 @@ public class DebuggingTruffleTreeModel implements
TreeModelFilter {
return false;
}
int linej = csf.getLineNumber(null);
- int linet = tframe.getSourcePosition().getStartLine();
+ SourcePosition sourcePosition = tframe.getSourcePosition();
+ if (sourcePosition == null) {
+ return false;
+ }
+ int linet = sourcePosition.getStartLine();
return (linej == linet || linej == 0);
}
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/TruffleDVFrame.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/TruffleDVFrame.java
index 15cf338..da348c2 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/TruffleDVFrame.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/frames/models/TruffleDVFrame.java
@@ -24,6 +24,7 @@ import
org.netbeans.modules.debugger.jpda.truffle.access.CurrentPCInfo;
import org.netbeans.modules.debugger.jpda.truffle.access.TruffleAccess;
import org.netbeans.modules.debugger.jpda.truffle.frames.TruffleStackFrame;
import org.netbeans.modules.debugger.jpda.truffle.source.Source;
+import org.netbeans.modules.debugger.jpda.truffle.source.SourcePosition;
import org.netbeans.spi.debugger.ui.DebuggingView.DVFrame;
import org.netbeans.spi.debugger.ui.DebuggingView.DVThread;
@@ -65,7 +66,11 @@ public final class TruffleDVFrame implements DVFrame {
@Override
public URI getSourceURI() {
- Source source = truffleFrame.getSourcePosition().getSource();
+ SourcePosition sourcePosition = truffleFrame.getSourcePosition();
+ if (sourcePosition == null) {
+ return null;
+ }
+ Source source = sourcePosition.getSource();
URI uri = source.getURI();
if (uri != null && "file".equalsIgnoreCase(uri.getScheme())) {
return uri;
@@ -79,18 +84,33 @@ public final class TruffleDVFrame implements DVFrame {
@Override
public String getSourceMimeType() {
- Source source = truffleFrame.getSourcePosition().getSource();
- return source.getMimeType();
+ SourcePosition sourcePosition = truffleFrame.getSourcePosition();
+ if (sourcePosition != null) {
+ Source source = sourcePosition.getSource();
+ return source.getMimeType();
+ } else {
+ return null;
+ }
}
@Override
public int getLine() {
- return truffleFrame.getSourcePosition().getStartLine();
+ SourcePosition sourcePosition = truffleFrame.getSourcePosition();
+ if (sourcePosition != null) {
+ return sourcePosition.getStartLine();
+ } else {
+ return -1;
+ }
}
@Override
public int getColumn() {
- return truffleFrame.getSourcePosition().getStartColumn();
+ SourcePosition sourcePosition = truffleFrame.getSourcePosition();
+ if (sourcePosition != null) {
+ return sourcePosition.getStartColumn();
+ } else {
+ return -1;
+ }
}
}
diff --git
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/source/Source.java
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/source/Source.java
index 25289f2..1d618d3 100644
---
a/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/source/Source.java
+++
b/java/debugger.jpda.truffle/src/org/netbeans/modules/debugger/jpda/truffle/source/Source.java
@@ -86,7 +86,7 @@ public final class Source {
this.mimeType = mimeType;
this.hash = hash;
}
-
+
public static Source getExistingSource(JPDADebugger debugger, long id) {
synchronized (KNOWN_SOURCES) {
Map<Long, Source> dbgSources = KNOWN_SOURCES.get(debugger);
@@ -146,6 +146,9 @@ public final class Source {
URI uri,
String mimeType,
StringReference codeRef) {
+ if (uri == null && codeRef == null) {
+ return null;
+ }
synchronized (KNOWN_SOURCES) {
Map<Long, Source> dbgSources = KNOWN_SOURCES.get(debugger);
if (dbgSources != null) {
@@ -209,6 +212,9 @@ public final class Source {
}
public String getContent() {
+ if (codeRef == null) {
+ return null;
+ }
synchronized (this) {
if (content == null) {
try {
diff --git
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/FrameInfo.java
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/FrameInfo.java
index 03c4e41..b5214c6 100644
---
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/FrameInfo.java
+++
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/FrameInfo.java
@@ -65,7 +65,7 @@ final class FrameInfo {
DebuggerVisualizer.getSourceLocation(topStackFrame, isHost)
+ "\n" +
position.id + "\n" + position.name + "\n" + position.path +
"\n" +
position.hostClassName + "\n" + position.hostMethodName +
"\n" +
- position.uri.toString() + "\n" + position.mimeType + "\n" +
position.sourceSection + "\n" +
+ position.uri + "\n" + position.mimeType + "\n" +
position.sourceSection + "\n" +
isInternal(topStackFrame);
topVariables = JPDATruffleAccessor.getVariables(topStackFrame);
}
diff --git
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/JPDATruffleAccessor.java
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/JPDATruffleAccessor.java
index d812372..8fbdfa9 100644
---
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/JPDATruffleAccessor.java
+++
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/JPDATruffleAccessor.java
@@ -39,6 +39,7 @@ import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.Objects;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -309,7 +310,7 @@ public class JPDATruffleAccessor extends Object {
str.append('\n');
str.append(position.hostMethodName);
str.append('\n');
- str.append(position.uri.toString());
+ str.append(Objects.toString(position.uri));
str.append('\n');
str.append(position.mimeType);
str.append('\n');
diff --git
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/SourcePosition.java
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/SourcePosition.java
index 1e93a19..3efe34a 100644
---
a/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/SourcePosition.java
+++
b/java/debugger.jpda.truffle/truffle-backend/org/netbeans/modules/debugger/jpda/backend/truffle/SourcePosition.java
@@ -47,20 +47,26 @@ final class SourcePosition {
final String mimeType;
public SourcePosition(SourceSection sourceSection, LanguageInfo
languageInfo) {
- Source source = sourceSection.getSource();
- this.id = getId(source);
- this.name = source.getName();
- this.hostClassName = null;
- this.hostMethodName = null;
- String sourcePath = source.getPath();
- if (sourcePath == null) {
- sourcePath = name;
+ if (sourceSection != null) {
+ Source source = sourceSection.getSource();
+ this.id = getId(source);
+ this.name = source.getName();
+ this.hostClassName = null;
+ this.hostMethodName = null;
+ String sourcePath = source.getPath();
+ if (sourcePath == null) {
+ sourcePath = name;
+ }
+ this.path = sourcePath;
+ this.sourceSection = sourceSection.getStartLine() + "," +
sourceSection.getStartColumn() + "," + sourceSection.getEndLine() + "," +
sourceSection.getEndColumn();
+ this.code = source.getCharacters().toString();
+ this.uri = source.getURI();
+ this.mimeType = findMIMEType(source, languageInfo);
+ } else {
+ this.id = -1;
+ this.name = this.hostClassName = this.hostMethodName = this.path =
this.sourceSection = this.code = this.mimeType = null;
+ this.uri = null;
}
- this.path = sourcePath;
- this.sourceSection = sourceSection.getStartLine() + "," +
sourceSection.getStartColumn() + "," + sourceSection.getEndLine() + "," +
sourceSection.getEndColumn();
- this.code = source.getCharacters().toString();
- this.uri = source.getURI();
- this.mimeType = findMIMEType(source, languageInfo);
}
public SourcePosition(StackTraceElement ste) {
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