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The support for method header breakpoints was extended to support lambda breakpoints using the vscode inline breakpoint feature.
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87 changes: 87 additions & 0 deletions
87
...oft.java.debug.plugin/src/main/java/com/microsoft/java/debug/LambdaExpressionLocator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package com.microsoft.java.debug; | ||
|
|
||
| import org.eclipse.jdt.core.dom.ASTNode; | ||
| import org.eclipse.jdt.core.dom.ASTVisitor; | ||
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; | ||
| import org.eclipse.jdt.core.dom.CompilationUnit; | ||
| import org.eclipse.jdt.core.dom.IMethodBinding; | ||
| import org.eclipse.jdt.core.dom.LambdaExpression; | ||
|
|
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| public class LambdaExpressionLocator extends ASTVisitor { | ||
| private CompilationUnit compilationUnit; | ||
| private int line; | ||
| private int column; | ||
| private boolean found; | ||
|
|
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| private IMethodBinding lambdaMethodBinding; | ||
| private LambdaExpression lambdaExpression; | ||
|
|
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| public LambdaExpressionLocator(CompilationUnit compilationUnit, int line, int column) { | ||
| this.compilationUnit = compilationUnit; | ||
| this.line = line; | ||
| this.column = column; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean visit(LambdaExpression node) { | ||
| if (column > -1) { | ||
| int startPosition = node.getStartPosition(); | ||
|
|
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| int columnNumber = this.compilationUnit.getColumnNumber(startPosition); | ||
| int lineNumber = this.compilationUnit.getLineNumber(startPosition); | ||
|
|
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| if (column == columnNumber && lineNumber == line) { | ||
| this.lambdaMethodBinding = node.resolveMethodBinding(); | ||
| this.found = true; | ||
| this.lambdaExpression = node; | ||
| return false; | ||
| } | ||
| } | ||
| return super.visit(node); | ||
| } | ||
|
|
||
| /** | ||
| * Returns <code>true</code> if a lambda is found at given location. | ||
| */ | ||
| public boolean isFound() { | ||
| return found; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the signature of lambda method otherwise return null. | ||
| */ | ||
| public String getMethodSignature() { | ||
| if (!this.found) { | ||
| return null; | ||
| } | ||
| return BreakpointLocationLocator.toSignature(this.lambdaMethodBinding, getMethodName()); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the name of lambda method otherwise return null. | ||
| */ | ||
| public String getMethodName() { | ||
| if (!this.found) { | ||
| return null; | ||
| } | ||
| String key = this.lambdaMethodBinding.getKey(); | ||
| return key.substring(key.indexOf('.') + 1, key.indexOf('(')); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the name of the type which the lambda method is found. | ||
| */ | ||
| public String getFullyQualifiedTypeName() { | ||
| if (this.found) { | ||
| ASTNode parent = lambdaExpression.getParent(); | ||
| while (parent != null) { | ||
| if (parent instanceof AbstractTypeDeclaration) { | ||
| AbstractTypeDeclaration declaration = (AbstractTypeDeclaration) parent; | ||
| return declaration.resolveBinding().getBinaryName(); | ||
| } | ||
| parent = parent.getParent(); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
| } |
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