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

com.google.gwt.dev.jjs.ast.JField
Java field definition.

      }
      return jstatements;
    }


    void processField(FieldDeclaration declaration) {
      JField field = (JField) typeMap.tryGet(declaration.binding);
      if (field == null) {
        /*
         * When anonymous classes declare constant fields, the field declaration
         * is not visited by JDT. Just bail since any references to that field
         * are guaranteed to be replaced with literals.

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    }


    private void addAllOuterThisRefs(List<? super JFieldRef> list,
        JExpression expr, JClassType classType) {
      if (classType.fields.size() > 0) {
        JField field = classType.fields.get(0);
        if (field.getName().startsWith("this$")) {
          list.add(new JFieldRef(program, expr.getSourceInfo(), expr, field,
              currentClass));
        }
      }
    }

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


      // Initialize in clinit.
      JMethodBody clinitBody = (JMethodBody) type.methods.get(0).getBody();
      JExpressionStatement assignment = program.createAssignmentStmt(null,

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          throw new InternalCompilerException(
              "ParameterRef referencing param in a different method.");
        }
        return new JParameterRef(program, info, parameter);
      } else if (variable instanceof JField) {
        JField field = (JField) variable;
        JExpression instance = null;
        if (!field.isStatic()) {
          JClassType fieldEnclosingType = (JClassType) field.getEnclosingType();
          instance = createThisRef(info, fieldEnclosingType);
          if (!program.typeOracle.canTriviallyCast(
              (JClassType) instance.getType(), fieldEnclosingType)) {
            throw new InternalCompilerException(
                "FieldRef referencing field in a different type.");

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       * referenced as instance on null-types (as determined by type flow)
       */
      JMethod nullMethod = x.getNullMethod();
      polymorphicNames.put(nullMethod,
          objectScope.declareName(nullMethod.getName()));
      JField nullField = x.getNullField();
      JsName nullFieldName = objectScope.declareName(nullField.getName());
      names.put(nullField, nullFieldName);


      /*
       * put nullMethod in the global scope, too; it's the replacer for clinits
       */

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      }
    }


    @Override
    public void endVisit(JFieldRef x, Context ctx) {
      JField field = x.getField();
      JsName jsFieldName = names.get(field);
      JsNameRef nameRef = jsFieldName.makeRef();
      JsExpression curExpr = nameRef;


      /*
       * Note: the comma expressions here would cause an illegal tree state if
       * the result expression ended up on the lhs of an assignment. A hack in
       * in endVisit(JBinaryOperation) rectifies the situation.
       */


      // See if we need a clinit
      JsInvocation jsInvocation = maybeCreateClinitCall(field);
      if (jsInvocation != null) {
        curExpr = createCommaExpression(jsInvocation, curExpr);
      }


      if (x.getInstance() != null) {
        JsExpression qualifier = (JsExpression) pop();
        if (field.isStatic()) {
          // unnecessary qualifier, create a comma expression
          curExpr = createCommaExpression(qualifier, curExpr);
        } else {
          // necessary qualifier, qualify the name ref
          nameRef.setQualifier(qualifier);

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          String ident = x.getIdent();
          if (ident.charAt(0) == '@') {
            HasEnclosingType node = program.jsniMap.get(ident);
            assert (node != null);
            if (node instanceof JField) {
              JField field = (JField) node;
              JsName jsName = names.get(field);
              assert (jsName != null);
              x.resolve(jsName);


              // See if we need to add a clinit call to a static field ref

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      }
      return new JsBinaryOperation(JsBinaryOperator.COMMA, lhs, rhs);
    }


    private void generateClassLiteral(JDeclarationStatement decl, JsVars vars) {
      JField field = (JField) decl.getVariableRef().getTarget();
      JsName jsName = names.get(field);
      this.accept(decl.getInitializer());
      JsExpression classObjectAlloc = pop();
      JsVar var = new JsVar(jsName);
      var.setInitExpr(classObjectAlloc);

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    }


    private void generateTypeId(JClassType x, List<JsStatement> globalStmts) {
      int typeId = program.getTypeId(x);
      if (typeId >= 0) {
        JField typeIdField = program.getIndexedField("Object.typeId");
        JsName typeIdName = names.get(typeIdField);
        if (typeIdName == null) {
          // Was pruned; this compilation must have no dynamic casts.
          return;
        }

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        globalStmts.add(new JsExprStmt(asg));
      }
    }


    private void generateTypeMarker(List<JsStatement> globalStmts) {
      JField typeMarkerField = program.getIndexedField("Object.typeMarker");
      JsName typeMarkerName = names.get(typeMarkerField);
      if (typeMarkerName == null) {
        // Was pruned; this compilation must have no JSO instanceof tests.
        return;
      }

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