Examples of JNewInstance

com.google.gwt.dev.jjs.ast.JNewInstance
A new instance expression. This differs from a standard Java new operation in that no constructor is implied. Rather, a new operation creates an uninitialized Object which is passed as an argument to a constructor method.

Examples of com.google.gwt.dev.jjs.ast.JNewInstance


    @Override
    public void endVisit(JNewInstance x, Context ctx) {
      // Did we prune the parameters of the method we're calling?
      if (methodToOriginalParamsMap.containsKey(x.getTarget())) {
        JMethodCall newCall = new JNewInstance(x);
        replaceForPrunedParameters(x, newCall, ctx);
      }
    }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

          throw new InternalCompilerException(
              "String constructor error; no matching implementation.");
        }
        call = new JMethodCall(makeSourceInfo(x), null, targetMethod);
      } else {
        call = new JNewInstance(info, ctor, currentClass);
      }


      // Enums: hidden arguments for the name and id.
      if (x.enumConstant != null) {
        call.addArgs(program.getLiteralString(info, x.enumConstant.name),

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

      }


      SourceInfo info = makeSourceInfo(x);
      MethodBinding b = x.binding;
      JConstructor ctor = (JConstructor) typeMap.get(b);
      JNewInstance newInstance = new JNewInstance(info, ctor, currentClass);
      JExpression qualifier = dispProcessExpression(x.enclosingInstance);
      List<JExpression> qualList = new ArrayList<JExpression>();
      qualList.add(qualifier);


      /*
       * Really weird: Sometimes an allocation expression needs both its
       * explicit qualifier AND its implicit enclosing class! We add this second
       * because the explicit qualifier takes precedence.
       */
      if (!currentMethod.isStatic()) {
        JExpression implicitOuter = new JThisRef(info,
            (JClassType) currentClass);
        qualList.add(implicitOuter);
      }


      // Synthetic this args for inner classes
      ReferenceBinding targetBinding = b.declaringClass;
      if (targetBinding.isNestedType() && !targetBinding.isStatic()) {
        NestedTypeBinding nestedBinding = (NestedTypeBinding) erasure(targetBinding);
        if (nestedBinding.enclosingInstances != null) {
          for (SyntheticArgumentBinding arg : nestedBinding.enclosingInstances) {
            JClassType syntheticThisType = (JClassType) typeMap.get(arg.type);
            newInstance.addArg(createThisRef(syntheticThisType, qualList));
          }
        }
      }


      // Plain old regular arguments
      addCallArgs(x.arguments, newInstance, b);


      // Synthetic locals for local classes
      if (targetBinding.isNestedType() && !targetBinding.isStatic()) {
        NestedTypeBinding nestedBinding = (NestedTypeBinding) erasure(targetBinding);
        if (nestedBinding.outerLocalVariables != null) {
          for (SyntheticArgumentBinding arg : nestedBinding.outerLocalVariables) {
            JVariable variable = (JVariable) typeMap.get(arg.actualOuterLocalVariable);
            newInstance.addArg(createVariableRef(info, variable,
                arg.actualOuterLocalVariable));
          }
        }
      }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance


      SourceInfo info = makeSourceInfo(x);
      MethodBinding b = x.binding;
      assert b.isConstructor();
      JConstructor ctor = (JConstructor) typeMap.get(b);
      JMethodCall call = new JNewInstance(info, ctor, curClass.type);
      JExpression qualExpr = pop(qualifier);


      // Enums: hidden arguments for the name and id.
      if (x.enumConstant != null) {
        call.addArgs(getStringLiteral(info, x.enumConstant.name), JIntLiteral
            .get(x.enumConstant.binding.original().id));
      }


      // Synthetic args for inner classes
      ReferenceBinding targetBinding = (ReferenceBinding) b.declaringClass.erasure();
      NestedTypeBinding nestedBinding = null;
      if (targetBinding.isNestedType() && !targetBinding.isStatic()) {
        nestedBinding = (NestedTypeBinding) targetBinding;
      }
      if (nestedBinding != null) {
        // Synthetic this args for inner classes
        if (nestedBinding.enclosingInstances != null) {
          ReferenceBinding checkedTargetType =
              targetBinding.isAnonymousType() ? (ReferenceBinding) targetBinding.superclass()
                  .erasure() : targetBinding;
          ReferenceBinding targetEnclosingType = checkedTargetType.enclosingType();
          for (SyntheticArgumentBinding arg : nestedBinding.enclosingInstances) {
            TypeBinding argType = arg.type.erasure();
            if (qualifier != null && argType == targetEnclosingType) {
              call.addArg(qualExpr);
            } else {
              JExpression thisRef =
                  makeThisReference(info, (ReferenceBinding) argType, false, scope);
              call.addArg(thisRef);
            }
          }
        }
      }


      // Plain old regular user arguments
      call.addArgs(arguments);


      // Synthetic args for inner classes
      if (nestedBinding != null) {
        // Synthetic locals for local classes
        if (nestedBinding.outerLocalVariables != null) {
          for (SyntheticArgumentBinding arg : nestedBinding.outerLocalVariables) {
            LocalVariableBinding targetVariable = arg.actualOuterLocalVariable;
            VariableBinding[] path = scope.getEmulationPath(targetVariable);
            assert path.length == 1;
            if (curMethod.scope.isInsideInitializer()
                && path[0] instanceof SyntheticArgumentBinding) {
              SyntheticArgumentBinding sb = (SyntheticArgumentBinding) path[0];
              JField field = curClass.syntheticFields.get(sb);
              assert field != null;
              call.addArg(makeInstanceFieldRef(info, field));
            } else if (path[0] instanceof LocalVariableBinding) {
              JExpression localRef = makeLocalRef(info, (LocalVariableBinding) path[0]);
              call.addArg(localRef);
            } else if (path[0] instanceof FieldBinding) {
              JField field = typeMap.get((FieldBinding) path[0]);
              assert field != null;
              call.addArg(makeInstanceFieldRef(info, field));
            } else {
              throw new InternalCompilerException("Unknown emulation path.");
            }
          }
        }
      }


      if (ctor.getEnclosingType() == javaLangString) {
        /*
         * MAGIC: java.lang.String is implemented as a JavaScript String
         * primitive with a modified prototype. This requires funky handling of
         * constructor calls. We find a method named _String() whose signature
         * matches the requested constructor
         * 
         * TODO(scottb): consider moving this to a later pass.
         */
        MethodBinding staticBinding =
            targetBinding.getExactMethod(_STRING, b.parameters, curCud.scope);
        assert staticBinding.isStatic();
        JMethod staticMethod = typeMap.get(staticBinding);
        JMethodCall newCall = new JMethodCall(info, null, staticMethod);
        newCall.addArgs(call.getArgs());
        call = newCall;
      }


      push(call);
    }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance


    @Override
    public void endVisit(JNewInstance x, Context ctx) {
      // Did we prune the parameters of the method we're calling?
      if (methodToOriginalParamsMap.containsKey(x.getTarget())) {
        JMethodCall newCall = new JNewInstance(x);
        replaceForPrunedParameters(x, newCall, ctx);
      }
    }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

    return false;
  }


  @Override
  public boolean visit(JNewInstance x, Context ctx) {
    JNewInstance newInstance = new JNewInstance(x);
    newInstance.addArgs(cloneExpressions(x.getArgs()));
    expression = newInstance;
    return false;
  }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

      assert typeBinding.isClass() || typeBinding.isEnum();


      MethodBinding b = x.binding;
      assert b.isConstructor();
      JConstructor ctor = (JConstructor) typeMap.get(b);
      JMethodCall call = new JNewInstance(info, ctor, curClass.type);
      JExpression qualExpr = pop(qualifier);


      // Enums: hidden arguments for the name and id.
      if (x.enumConstant != null) {
        call.addArgs(getStringLiteral(info, x.enumConstant.name), JIntLiteral
            .get(x.enumConstant.binding.original().id));
      }


      // Synthetic args for inner classes
      ReferenceBinding targetBinding = (ReferenceBinding) b.declaringClass.erasure();
      boolean isNested = JdtUtil.isInnerClass(targetBinding);
      if (isNested) {
        // Synthetic this args for inner classes
        if (targetBinding.syntheticEnclosingInstanceTypes() != null) {
          ReferenceBinding checkedTargetType =
              targetBinding.isAnonymousType() ? (ReferenceBinding) targetBinding.superclass()
                  .erasure() : targetBinding;
          ReferenceBinding targetEnclosingType = checkedTargetType.enclosingType();
          for (ReferenceBinding argType : targetBinding.syntheticEnclosingInstanceTypes()) {
            argType = (ReferenceBinding) argType.erasure();
            if (qualifier != null && argType == targetEnclosingType) {
              call.addArg(qualExpr);
            } else {
              JExpression thisRef = makeThisReference(info, argType, false, scope);
              call.addArg(thisRef);
            }
          }
        }
      }


      // Plain old regular user arguments
      call.addArgs(arguments);


      // Synthetic args for inner classes
      if (isNested) {
        // Synthetic locals for local classes
        if (targetBinding.syntheticOuterLocalVariables() != null) {
          for (SyntheticArgumentBinding arg : targetBinding.syntheticOuterLocalVariables()) {
            LocalVariableBinding targetVariable = arg.actualOuterLocalVariable;
            VariableBinding[] path = scope.getEmulationPath(targetVariable);
            assert path.length == 1;
            if (curMethod.scope.isInsideInitializer()
                && path[0] instanceof SyntheticArgumentBinding) {
              SyntheticArgumentBinding sb = (SyntheticArgumentBinding) path[0];
              JField field = curClass.syntheticFields.get(sb);
              assert field != null;
              call.addArg(makeInstanceFieldRef(info, field));
            } else if (path[0] instanceof LocalVariableBinding) {
              JExpression localRef = makeLocalRef(info, (LocalVariableBinding) path[0]);
              call.addArg(localRef);
            } else if (path[0] instanceof FieldBinding) {
              JField field = typeMap.get((FieldBinding) path[0]);
              assert field != null;
              call.addArg(makeInstanceFieldRef(info, field));
            } else {
              throw new InternalCompilerException("Unknown emulation path.");
            }
          }
        }
      }


      if (ctor.getEnclosingType() == javaLangString) {
        /*
         * MAGIC: java.lang.String is implemented as a JavaScript String
         * primitive with a modified prototype. This requires funky handling of
         * constructor calls. We find a method named _String() whose signature
         * matches the requested constructor
         *
         * TODO(scottb): consider moving this to a later pass.
         */
        MethodBinding staticBinding =
            targetBinding.getExactMethod(_STRING, b.parameters, curCud.scope);
        assert staticBinding.isStatic();
        JMethod staticMethod = typeMap.get(staticBinding);
        JMethodCall newCall = new JMethodCall(info, null, staticMethod);
        newCall.addArgs(call.getArgs());
        call = newCall;
      }


      push(call);
    }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance


    @Override
    public void endVisit(JNewInstance x, Context ctx) {
      // Did we prune the parameters of the method we're calling?
      if (methodToOriginalParamsMap.containsKey(x.getTarget())) {
        JMethodCall newCall = new JNewInstance(x);
        replaceForPrunedParameters(x, newCall, ctx);
      }
    }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

    return false;
  }


  @Override
  public boolean visit(JNewInstance x, Context ctx) {
    JNewInstance newInstance = new JNewInstance(x);
    newInstance.addArgs(cloneExpressions(x.getArgs()));
    expression = newInstance;
    return false;
  }

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Examples of com.google.gwt.dev.jjs.ast.JNewInstance

            throw new UnableToCompleteException();
          }


          // Construct a new instance of the class to qualify the non-static
          // call
          JNewInstance newInstance = new JNewInstance(program, null, mainClass);
          qualifier = new JMethodCall(program, null, newInstance, noArgCtor);
        }
      }


      // qualifier will be null if onModuleLoad is static

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