Examples of com.google.dart.engine.ast.FunctionBody

com.google.dart.engine.ast.FunctionBody
The abstract class {@code FunctionBody} defines the behavior common to objects representing thebody of a function or method.
```
 functionBody ::= {@link BlockFunctionBody blockFunctionBody}|  {@link EmptyFunctionBody emptyFunctionBody}|  {@link ExpressionFunctionBody expressionFunctionBody}
```
@coverage dart.engine.ast

      visitChildren(holder, node);
    } finally {
      inFunction = wasInFunction;
    }


    FunctionBody body = node.getBody();
    SimpleIdentifier constructorName = node.getName();
    ConstructorElementImpl element = new ConstructorElementImpl(constructorName);
    if (node.getFactoryKeyword() != null) {
      element.setFactory(true);
    }
    element.setFunctions(holder.getFunctions());
    element.setLabels(holder.getLabels());
    element.setLocalVariables(holder.getLocalVariables());
    element.setParameters(holder.getParameters());
    element.setConst(node.getConstKeyword() != null);
    if (body.isAsynchronous()) {
      element.setAsynchronous(true);
    }
    if (body.isGenerator()) {
      element.setGenerator(true);
    }


    currentHolder.addConstructor(element);
    node.setElement(element);

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        visitChildren(holder, expression);
      } finally {
        inFunction = wasInFunction;
      }


      FunctionBody body = expression.getBody();
      Token property = node.getPropertyKeyword();
      if (property == null) {
        SimpleIdentifier functionName = node.getName();
        FunctionElementImpl element = new FunctionElementImpl(functionName);
        element.setFunctions(holder.getFunctions());
        element.setLabels(holder.getLabels());
        element.setLocalVariables(holder.getLocalVariables());
        element.setParameters(holder.getParameters());
        if (body.isAsynchronous()) {
          element.setAsynchronous(true);
        }
        if (body.isGenerator()) {
          element.setGenerator(true);
        }


        if (inFunction) {
          Block enclosingBlock = node.getAncestor(Block.class);
          if (enclosingBlock != null) {
            int functionEnd = node.getOffset() + node.getLength();
            int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
            element.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);
          }
        }


        currentHolder.addFunction(element);
        expression.setElement(element);
        functionName.setStaticElement(element);
      } else {
        SimpleIdentifier propertyNameNode = node.getName();
        if (propertyNameNode == null) {
          // TODO(brianwilkerson) Report this internal error.
          return null;
        }
        String propertyName = propertyNameNode.getName();
        TopLevelVariableElementImpl variable = (TopLevelVariableElementImpl) currentHolder.getTopLevelVariable(propertyName);
        if (variable == null) {
          variable = new TopLevelVariableElementImpl(node.getName().getName(), -1);
          variable.setFinal(true);
          variable.setSynthetic(true);


          currentHolder.addTopLevelVariable(variable);
        }
        if (matches(property, Keyword.GET)) {
          PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
          getter.setFunctions(holder.getFunctions());
          getter.setLabels(holder.getLabels());
          getter.setLocalVariables(holder.getLocalVariables());
          if (body.isAsynchronous()) {
            getter.setAsynchronous(true);
          }
          if (body.isGenerator()) {
            getter.setGenerator(true);
          }


          getter.setVariable(variable);
          getter.setGetter(true);
          getter.setStatic(true);
          variable.setGetter(getter);


          currentHolder.addAccessor(getter);
          expression.setElement(getter);
          propertyNameNode.setStaticElement(getter);
        } else {
          PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
          setter.setFunctions(holder.getFunctions());
          setter.setLabels(holder.getLabels());
          setter.setLocalVariables(holder.getLocalVariables());
          setter.setParameters(holder.getParameters());
          if (body.isAsynchronous()) {
            setter.setAsynchronous(true);
          }
          if (body.isGenerator()) {
            setter.setGenerator(true);
          }


          setter.setVariable(variable);
          setter.setSetter(true);

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      visitChildren(holder, node);
    } finally {
      inFunction = wasInFunction;
    }


    FunctionBody body = node.getBody();
    FunctionElementImpl element = new FunctionElementImpl(node.getBeginToken().getOffset());
    element.setFunctions(holder.getFunctions());
    element.setLabels(holder.getLabels());
    element.setLocalVariables(holder.getLocalVariables());
    element.setParameters(holder.getParameters());
    if (body.isAsynchronous()) {
      element.setAsynchronous(true);
    }
    if (body.isGenerator()) {
      element.setGenerator(true);
    }
    if (inFunction) {
      Block enclosingBlock = node.getAncestor(Block.class);
      if (enclosingBlock != null) {

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        inFunction = wasInFunction;
      }


      boolean isStatic = node.isStatic();
      Token property = node.getPropertyKeyword();
      FunctionBody body = node.getBody();
      if (property == null) {
        SimpleIdentifier methodName = node.getName();
        String nameOfMethod = methodName.getName();
        if (nameOfMethod.equals(TokenType.MINUS.getLexeme())
            && node.getParameters().getParameters().size() == 0) {
          nameOfMethod = "unary-";
        }
        MethodElementImpl element = new MethodElementImpl(nameOfMethod, methodName.getOffset());
        element.setAbstract(node.isAbstract());
        element.setFunctions(holder.getFunctions());
        element.setLabels(holder.getLabels());
        element.setLocalVariables(holder.getLocalVariables());
        element.setParameters(holder.getParameters());
        element.setStatic(isStatic);
        if (body.isAsynchronous()) {
          element.setAsynchronous(true);
        }
        if (body.isGenerator()) {
          element.setGenerator(true);
        }


        currentHolder.addMethod(element);
        methodName.setStaticElement(element);
      } else {
        SimpleIdentifier propertyNameNode = node.getName();
        String propertyName = propertyNameNode.getName();
        FieldElementImpl field = (FieldElementImpl) currentHolder.getField(propertyName);
        if (field == null) {
          field = new FieldElementImpl(node.getName().getName(), -1);
          field.setFinal(true);
          field.setStatic(isStatic);
          field.setSynthetic(true);


          currentHolder.addField(field);
        }
        if (matches(property, Keyword.GET)) {
          PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
          getter.setFunctions(holder.getFunctions());
          getter.setLabels(holder.getLabels());
          getter.setLocalVariables(holder.getLocalVariables());
          if (body.isAsynchronous()) {
            getter.setAsynchronous(true);
          }
          if (body.isGenerator()) {
            getter.setGenerator(true);
          }


          getter.setVariable(field);
          getter.setAbstract(body instanceof EmptyFunctionBody && node.getExternalKeyword() == null);
          getter.setGetter(true);
          getter.setStatic(isStatic);
          field.setGetter(getter);


          currentHolder.addAccessor(getter);
          propertyNameNode.setStaticElement(getter);
        } else {
          PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
          setter.setFunctions(holder.getFunctions());
          setter.setLabels(holder.getLabels());
          setter.setLocalVariables(holder.getLocalVariables());
          setter.setParameters(holder.getParameters());
          if (body.isAsynchronous()) {
            setter.setAsynchronous(true);
          }
          if (body.isGenerator()) {
            setter.setGenerator(true);
          }


          setter.setVariable(field);
          setter.setAbstract(body instanceof EmptyFunctionBody

View Full Code Here


  /**
   * Sets the visible source range for formal parameter.
   */
  private void setParameterVisibleRange(FormalParameter node, ParameterElementImpl element) {
    FunctionBody body = getFunctionBody(node);
    if (body != null) {
      element.setVisibleRange(body.getOffset(), body.getLength());
    }
  }

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    // ignore factory
    if (node.getFactoryKeyword() != null) {
      return false;
    }
    // block body (with possible return statement) is checked elsewhere
    FunctionBody body = node.getBody();
    if (!(body instanceof ExpressionFunctionBody)) {
      return false;
    }
    // report error
    errorReporter.reportErrorForNode(CompileTimeErrorCode.RETURN_IN_GENERATIVE_CONSTRUCTOR, body);

View Full Code Here

   * 
   * @param node the function expression whose return type is to be computed
   * @return the return type that was computed
   */
  private Type computeStaticReturnTypeOfFunctionExpression(FunctionExpression node) {
    FunctionBody body = node.getBody();
    if (body instanceof ExpressionFunctionBody) {
      return getStaticType(((ExpressionFunctionBody) body).getExpression());
    }
    return dynamicType;
  }

View Full Code Here

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Related Classes of com.google.dart.engine.ast.FunctionBody

com.google.dart.engine.internal.builder.ElementBuilder

com.google.dart.engine.internal.resolver.StaticTypeAnalyzer

com.google.dart.engine.internal.verifier.ErrorVerifier

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