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

com.google.gwt.dev.jjs.ast.JFieldRef
Java field reference expression.

      boolean isStatic = x.getField().isStatic();
      if (isStatic && instance != null) {
        // this doesn't really belong here, but while we're here let's remove
        // non-side-effect qualifiers to statics
        if (!instance.hasSideEffects()) {
          JFieldRef fieldRef = new JFieldRef(x.getSourceInfo(), null,
              x.getField(), x.getEnclosingType());
          ctx.replaceMe(fieldRef);
        }
      } else if (!isStatic && instance.getType() == typeNull
          && x.getField() != program.getNullField()) {

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      } else {
        field = (JField) typeMap.get(fieldBinding);
      }
      SourceInfo info = makeSourceInfo(x);
      JExpression instance = dispProcessExpression(x.receiver);
      JExpression fieldRef = new JFieldRef(info, instance, field, currentClass);


      if (x.genericCast != null) {
        JType castType = (JType) typeMap.get(x.genericCast);
        /*
         * Note, this may result in an invalid AST due to an LHS cast operation.

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                  "Error matching fieldBinding.");
            }
          } else {
            field = (JField) typeMap.get(fieldBinding);
          }
          curRef = new JFieldRef(info, curRef, field, currentClass);
          if (x.otherGenericCasts != null && x.otherGenericCasts[i] != null) {
            JType castType = (JType) typeMap.get(x.otherGenericCasts[i]);
            curRef = maybeCast(castType, curRef);
          }
        }

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      JExpression result = null;
      if (x.syntheticAccessors != null) {
        JField field = (JField) variable;
        if (!field.isStatic()) {
          JExpression instance = createThisRef(info, field.getEnclosingType());
          result = new JFieldRef(info, instance, field, currentClass);
        }
      }
      if (result == null) {
        result = createVariableRef(info, variable, binding);
      }

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      SourceInfo info = makeSourceInfo(x);
      JExpression expression = dispProcessExpression(x.constantExpression);
      if (expression != null && x.constantExpression.resolvedType.isEnum()) {
        // TODO: propagate enum information?
        assert (expression instanceof JFieldRef);
        JFieldRef fieldRef = (JFieldRef) expression;
        JEnumField field = (JEnumField) fieldRef.getField();
        return new JCaseStatement(info, program.getLiteralInt(field.ordinal()));
      } else {
        return new JCaseStatement(info, (JLiteral) expression);
      }
    }

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            dispProcessExpression(x.collection)));
        // int i$index = 0
        initializers.add(createDeclaration(info, indexVar,
            program.getLiteralInt(0)));
        // int i$max = i$array.length
        initializers.add(createDeclaration(info, maxVar, new JFieldRef(info,
            createVariableRef(info, arrayVar),
            program.getIndexedField("Array.length"), currentClass)));


        // i$index < i$max
        JExpression condition = new JBinaryOperation(info,

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         * 
         * TODO: investigate using more JDT node information as an alternative
         */
        if (field.getName().startsWith("this$")
            || field.getName().startsWith("val$this$")) {
          list.add(new JFieldRef(expr.getSourceInfo(), expr, field,
              currentClass));
        }
      }
    }

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      JsonObject map = new JsonObject(sourceInfo, program.getJavaScriptObject());
      for (JEnumField field : type.getEnumList()) {
        // JSON maps require leading underscores to prevent collisions.
        JStringLiteral key = program.getLiteralString(field.getSourceInfo(),
            "_" + field.getName());
        JFieldRef value = new JFieldRef(sourceInfo, null, field, type);
        map.propInits.add(new JsonObject.JsonPropInit(sourceInfo, key, value));
      }
      JField mapField = program.createField(sourceInfo,
          "enum$map".toCharArray(), type, map.getType(), true,
          Disposition.FINAL);

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              (JClassType) instance.getType(), fieldEnclosingType)) {
            throw new InternalCompilerException(
                "FieldRef referencing field in a different type.");
          }
        }
        return new JFieldRef(info.makeChild(JavaASTGenerationVisitor.class,
            "Reference", variable.getSourceInfo()), instance, field,
            currentClass);
      }
      throw new InternalCompilerException("Unknown JVariable subclass.");
    }

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    private void writeEnumValueOfMethod(JEnumType type, JField mapField) {
      // return Enum.valueOf(map, name);
      SourceInfo sourceInfo = mapField.getSourceInfo().makeChild(
          JavaASTGenerationVisitor.class, "enum accessor method");
      JFieldRef mapRef = new JFieldRef(sourceInfo, null, mapField, type);
      JVariableRef nameRef = createVariableRef(sourceInfo,
          currentMethod.getParams().get(0));
      JMethod delegateTo = program.getIndexedMethod("Enum.valueOf");
      JMethodCall call = new JMethodCall(sourceInfo, null, delegateTo);
      call.addArgs(mapRef, nameRef);

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