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

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

      return unboxCall;
    }


    private void writeEnumValueOfMethod(JEnumType type, JField mapField) {
      // return Enum.valueOf(map, name);
      JFieldRef mapRef = new JFieldRef(program, null, null, mapField, type);
      JVariableRef nameRef = createVariableRef(null,
          currentMethod.params.get(0));
      JMethod delegateTo = program.getIndexedMethod("Enum.valueOf");
      JMethodCall call = new JMethodCall(program, null, null, delegateTo);
      call.getArgs().add(mapRef);

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    private void writeEnumValuesMethod(JEnumType type) {
      // return new E[]{A,B,C};
      List<JExpression> initializers = new ArrayList<JExpression>();
      for (JEnumField field : type.enumList) {
        JFieldRef fieldRef = new JFieldRef(program, null, null, field, type);
        initializers.add(fieldRef);
      }
      JNewArray newExpr = JNewArray.createInitializers(program, null,
          program.getTypeArray(type, 1), initializers);
      currentMethodBody.getStatements().add(

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      // Replace with a multi, which may wind up empty.
      JMultiExpression multi = new JMultiExpression(program, info);


      // If the lhs is a field ref, evaluate it first.
      if (variableRef instanceof JFieldRef) {
        JFieldRef fieldRef = (JFieldRef) variableRef;
        JExpression instance = fieldRef.getInstance();
        if (instance != null) {
          multi.exprs.add(instance);
        }
      }

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          // parameters are ok to skip
          doSkip = true;
        } else if (lhs instanceof JFieldRef) {
          // fields must rescue the qualifier
          doSkip = true;
          JFieldRef fieldRef = (JFieldRef) lhs;
          JExpression instance = fieldRef.getInstance();
          if (instance != null) {
            accept(instance);
          }
        }

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      }


      // If the lhs is a field ref, we have to visit its qualifier.
      JVariableRef variableRef = x.getVariableRef();
      if (variableRef instanceof JFieldRef) {
        JFieldRef fieldRef = (JFieldRef) variableRef;
        JExpression instance = fieldRef.getInstance();
        if (instance != null) {
          accept(instance);
        }
      }
      return false;

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      return true;
    }


    private boolean isVolatileField(JExpression x) {
      if (x instanceof JFieldRef) {
        JFieldRef xFieldRef = (JFieldRef) x;
        if (xFieldRef.getField().isVolatile()) {
          return true;
        }
      }


      return false;

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    @Override
    public boolean visit(JFieldRef x, Context ctx) {
      if (x.getInstance() != null) {
        JExpression newInstance = possiblyReplace(x.getInstance());
        if (newInstance != x.getInstance()) {
          JFieldRef newExpr = new JFieldRef(program, x.getSourceInfo(),
              newInstance, x.getField(), x.getEnclosingType());
          ctx.replaceMe(newExpr);
        }
      }
      return false;

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    return false;
  }


  @Override
  public boolean visit(JFieldRef x, Context ctx) {
    expression = new JFieldRef(program, x.getSourceInfo(),
        cloneExpression(x.getInstance()), x.getField(), x.getEnclosingType());
    return false;
  }

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          // parameters are ok to skip
          doSkip = true;
        } else if (lhs instanceof JFieldRef) {
          // fields must rescue the qualifier
          doSkip = true;
          JFieldRef fieldRef = (JFieldRef) lhs;
          JExpression instance = fieldRef.getInstance();
          if (instance != null) {
            accept(instance);
          }
        }

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      }


      // If the lhs is a field ref, we have to visit its qualifier.
      JVariableRef variableRef = x.getVariableRef();
      if (variableRef instanceof JFieldRef) {
        JFieldRef fieldRef = (JFieldRef) variableRef;
        JExpression instance = fieldRef.getInstance();
        if (instance != null) {
          accept(instance);
        }
      }
      return false;

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