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.

    "class Outer { }";
  
  @Test
  public void testInner() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("Outer", INNER);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    ClassInstanceCreation instance = (ClassInstanceCreation) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(instance);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof NewObjectInstruction);
    NewObjectInstruction newobj = (NewObjectInstruction) instr;

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    "}";
  
  @Test
  public void testExplicitInner() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("OuterExplicit", EXPLICIT_INNER);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    ClassInstanceCreation instance = (ClassInstanceCreation) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(instance);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof NewObjectInstruction);
    NewObjectInstruction newobj = (NewObjectInstruction) instr;

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    "}";
  
  @Test
  public void testStaticInner() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("OuterStaticInner", STATIC_INNER);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    ClassInstanceCreation instance = (ClassInstanceCreation) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(instance);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof NewObjectInstruction);
    NewObjectInstruction newobj = (NewObjectInstruction) instr;

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    "}";
  
  @Test
  public void testLocal() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("OuterLocal", LOCAL);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    ClassInstanceCreation instance = (ClassInstanceCreation) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(instance);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof NewObjectInstruction);
    NewObjectInstruction newobj = (NewObjectInstruction) instr;

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    "}";
  
  @Test
  public void testAnonymous() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("OuterAnon", ANON);
    MethodDeclaration m = EclipseTACSimpleTestDriver.getFirstMethod(cu);
    EclipseTAC tac = new EclipseTAC(m.resolveBinding());
    ClassInstanceCreation instance = (ClassInstanceCreation) EclipseTACSimpleTestDriver.getLastStatementReturn(m).getExpression();
    TACInstruction instr = tac.instruction(instance);
    Assert.assertTrue(instr != null);
    Assert.assertTrue(instr instanceof NewObjectInstruction);
    NewObjectInstruction newobj = (NewObjectInstruction) 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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    }
    return addAsFakeFuture(decl,defaultFlowAnalysis).getLabeledResultsBefore(node);
  }


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

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


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

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public class EclipseTACFieldTest {


  @Test
  public void testReadField() throws Exception {
    CompilationUnit cu = EclipseTACSimpleTestDriver.parseCode("FieldRead", FIELD_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;

View Full Code Here

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