Examples of org.eclipse.jdt.core.dom.MethodDeclaration

org.eclipse.jdt.core.dom.MethodDeclaration
Method declaration AST node type. A method declaration is the union of a method declaration and a constructor declaration. For JLS2:
```
 MethodDeclaration: [ Javadoc ] { Modifier } ( Type | void ) Identifier ( [ FormalParameter { , FormalParameter } ] ) {[ ] } [ throws TypeName { , TypeName } ] ( Block | ; ) ConstructorDeclaration: [ Javadoc ] { Modifier } Identifier ( [ FormalParameter { , FormalParameter } ] ) [throws TypeName { , TypeName } ] Block 
```
For JLS3, type parameters and reified modifiers (and annotations) were added:
```
 MethodDeclaration: [ Javadoc ] { ExtendedModifier } [ < TypeParameter { , TypeParameter } > ] ( Type | void ) Identifier ( [ FormalParameter { , FormalParameter } ] ) {[ ] } [ throws TypeName { , TypeName } ] ( Block | ; ) ConstructorDeclaration: [ Javadoc ] { ExtendedModifier } [ < TypeParameter { , TypeParameter } > ] Identifier ( [ FormalParameter { , FormalParameter } ] ) [throws TypeName { , TypeName } ] Block 
```
When a Javadoc comment is present, the source range begins with the first character of the "/**" comment delimiter. When there is no Javadoc comment, the source range begins with the first character of the first modifier keyword (if modifiers), or the first character of the "<" token (method, no modifiers, type parameters), or the first character of the return type (method, no modifiers, no type parameters), or the first character of the identifier (constructor, no modifiers). The source range extends through the last character of the ";" token (if no body), or the last character of the block (if body).

The FormalParameter is represented by a {@link SingleVariableDeclaration}.
@since 2.0 @noinstantiate This class is not intended to be instantiated by clients.

    "}";
  
  @Test
  public void testReadThis() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("ThisRead", THIS_READ);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    FieldAccess read = (FieldAccess) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(read);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof LoadFieldInstruction);
    LoadFieldInstruction load = (LoadFieldInstruction) instr;

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    "}";
  
  @Test
  public void testObjectRead() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("ObjectRead", OBJECT_READ);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    Expression read = (Expression) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(read);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof LoadFieldInstruction);
    LoadFieldInstruction load = (LoadFieldInstruction) instr;
    Assert.assertEquals(
        tac.sourceVariable(((SingleVariableDeclaration) m.parameters().get(0)).resolveBinding()),
        load.getSourceObject());
    Assert.assertEquals("f", load.getFieldName());
  }

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    "}";
  
  @Test
  public void testFieldWrite() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("FieldWrite", FIELD_WRITE);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    Assignment write = (Assignment) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(write);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof StoreFieldInstruction);
    
    StoreFieldInstruction store = (StoreFieldInstruction) instr;
    Assert.assertTrue(store.getDestinationObject() instanceof ThisVariable);
    Assert.assertTrue(store.getDestinationObject().isUnqualifiedThis());
    Assert.assertEquals(
        tac.sourceVariable(((SingleVariableDeclaration) m.parameters().get(0)).resolveBinding()),
        store.getSourceOperand());
    Assert.assertEquals("f", store.getFieldName());
    
    Assert.assertEquals(tac.variable(write.getRightHandSide()), store.getSourceOperand());

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    "}";
  
  @Test
  public void testFieldInc() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("FieldInc", FIELD_INC);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    PostfixExpression inc = (PostfixExpression) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(inc);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof EclipseInstructionSequence);
    LoadFieldInstruction load = (LoadFieldInstruction) tac.instruction(inc.getOperand());

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    "}";
  
  @Test
  public void testNestedFieldWrite() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("NestedFieldWrite", NESTED_FIELD_WRITE);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    MethodInvocation inv = (MethodInvocation) ((ExpressionStatement) EclipseTACSimpleTestDriver.getLastStatement(m)).getExpression();
    TACInstruction instr = tac.instruction(inv);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof MethodCallInstruction);
    MethodCallInstruction call = (MethodCallInstruction) instr;

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    "}";
  
  @Test
  public void testPrivateOuterField() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("PrivateOuterField", PRIVATE_OUTER_FIELD);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu); // method in inner class
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    Expression read = (Expression) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(read);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof LoadFieldInstruction);
    LoadFieldInstruction load = (LoadFieldInstruction) instr;

View Full Code Here

    "}";
  
  @Test
  public void testVisibleOuterField() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("VisibleOuterField", VISIBLE_OUTER_FIELD);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu); // method in inner class
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    Expression read = (Expression) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(read);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof LoadFieldInstruction);
    LoadFieldInstruction load = (LoadFieldInstruction) instr;

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  public IResult<LE> getLabeledResultsAfter(ASTNode node) {
    /*
     * TODO: Need a find a way to get rid of this call...
     */
    MethodDeclaration decl = Utilities.getMethodDeclaration(node);
    
    if( decl!= null && this.analyzedMethods.containsKey(decl) ) {
      try {
        return this.analyzedMethods.get(decl).get().getLabeledResultsAfter(node);
      } catch (Exception e) {/* Do nothing, let fall through to default. */ }

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    }
    return addAsFakeFuture(decl,defaultFlowAnalysis).getLabeledResultsAfter(node);
  }


  public IResult<LE> getLabeledResultsBefore(ASTNode node) {
    MethodDeclaration decl = Utilities.getMethodDeclaration(node);
    
    if( decl!= null && this.analyzedMethods.containsKey(decl) ) {
      try {
        return this.analyzedMethods.get(decl).get().getLabeledResultsBefore(node);
      } catch (Exception e) {/* Do nothing, let fall through to default. */ }

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  public LE getResultsBefore(ASTNode node) {
    return getResultsBeforeCFG(node);
  }


  public LE getResultsAfterCFG(ASTNode node) {
    MethodDeclaration decl = Utilities.getMethodDeclaration(node);
    
    if( decl!= null && this.analyzedMethods.containsKey(decl) ) {
      try {
        return this.analyzedMethods.get(decl).get().getResultsAfterCFG(node);
      } catch (Exception e) {/* Do nothing, let fall through to default. */ }

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