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122 changes: 122 additions & 0 deletions
122
...es/debug-adapter-core/src/main/java/org/ballerinalang/debugadapter/utils/ServerUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://wso2.com). | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.ballerinalang.debugadapter.utils; | ||
|
|
||
| import com.sun.jdi.ThreadReference; | ||
| import org.ballerinalang.debugadapter.ExecutionContext; | ||
| import org.ballerinalang.debugadapter.breakpoint.BalBreakpoint; | ||
| import org.ballerinalang.debugadapter.config.ClientConfigHolder; | ||
| import org.ballerinalang.debugadapter.config.ClientLaunchConfigHolder; | ||
| import org.eclipse.lsp4j.debug.Source; | ||
| import org.eclipse.lsp4j.debug.SourceBreakpoint; | ||
| import org.eclipse.lsp4j.debug.StackFrame; | ||
|
|
||
| import java.util.Objects; | ||
|
|
||
| import static org.ballerinalang.debugadapter.utils.PackageUtils.BAL_FILE_EXT; | ||
|
|
||
| /** | ||
| * Ballerina debug server related utility functions. | ||
| * | ||
| * @since 2201.11.0 | ||
| */ | ||
| public class ServerUtils { | ||
|
|
||
| /** | ||
| * Checks whether the debug server should run in no-debug mode. | ||
| * | ||
| * @param context debug context | ||
| * @return true if the debug mode is no-debug mode | ||
| */ | ||
| public static boolean isNoDebugMode(ExecutionContext context) { | ||
| ClientConfigHolder confHolder = context.getAdapter().getClientConfigHolder(); | ||
| return confHolder instanceof ClientLaunchConfigHolder launchConfigHolder && launchConfigHolder.isNoDebugMode(); | ||
| } | ||
|
|
||
| /** | ||
| * Validates whether the given DAP thread reference represents a ballerina strand. | ||
| * | ||
| * @param threadReference DAP thread reference | ||
| * @return true if the given DAP thread reference represents a ballerina strand | ||
| */ | ||
| public static boolean isBalStrand(ThreadReference threadReference) { | ||
| // Todo - Refactor to use thread proxy implementation | ||
| try { | ||
| return isBalStackFrame(threadReference.frames().getFirst()); | ||
| } catch (Exception e) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Validates whether the given DAP stack frame represents a ballerina call stack frame. | ||
| * | ||
| * @param frame DAP stack frame | ||
| * @return true if the given DAP stack frame represents a ballerina call stack frame | ||
| */ | ||
| public static boolean isBalStackFrame(com.sun.jdi.StackFrame frame) { | ||
| // Todo - Refactor to use stack frame proxy implementation | ||
| try { | ||
| return frame.location().sourceName().endsWith(BAL_FILE_EXT); | ||
| } catch (Exception e) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Validates a given ballerina stack frame for its source information. | ||
| * | ||
| * @param stackFrame ballerina stack frame | ||
| * @return true if it's a valid ballerina frame | ||
| */ | ||
| public static boolean isValidFrame(StackFrame stackFrame) { | ||
| return stackFrame != null && stackFrame.getSource() != null && stackFrame.getLine() > 0; | ||
| } | ||
|
|
||
| /** | ||
| * Converts a given DAP source breakpoint instance to a ballerina breakpoint instance. | ||
| * | ||
| * @param context debug context | ||
| * @param sourceBp source breakpoint | ||
| * @param source source | ||
| * @return ballerina breakpoint | ||
| */ | ||
| public static BalBreakpoint toBalBreakpoint(ExecutionContext context, SourceBreakpoint sourceBp, Source source) { | ||
| BalBreakpoint breakpoint = new BalBreakpoint(source, sourceBp.getLine()); | ||
| breakpoint.setCondition(sourceBp.getCondition()); | ||
| breakpoint.setLogMessage(sourceBp.getLogMessage()); | ||
| // If the debug client doesn't support breakpoint verification, mark the breakpoint as verified by default. | ||
| if (supportsBreakpointVerification(context)) { | ||
| breakpoint.setSupportsVerification(true); | ||
| } | ||
|
|
||
| return breakpoint; | ||
| } | ||
|
|
||
| /** | ||
| * Checks whether the connected debug client supports breakpoint verification. | ||
| * | ||
| * @param context debug context | ||
| * @return true if the connected debug client supports breakpoint verification | ||
| */ | ||
| public static boolean supportsBreakpointVerification(ExecutionContext context) { | ||
| ClientConfigHolder configHolder = context.getAdapter().getClientConfigHolder(); | ||
|
|
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| return Objects.nonNull(configHolder) && configHolder.getExtendedCapabilities() | ||
| .map(ClientConfigHolder.ExtendedClientCapabilities::supportsBreakpointVerification) | ||
| .orElse(false); | ||
| } | ||
| } |
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