Examples of com.google.gwt.dev.js.ast.JsExpression

com.google.gwt.dev.js.ast.JsExpression
An abstract base class for all JavaScript expressions.

      push(stmt);
    }


    @Override
    public void endVisit(JExpressionStatement x, Context ctx) {
      JsExpression expr = (JsExpression) pop(); // expr
      push(expr.makeStmt());
    }

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        accept(x.getType().getDefaultValue());
      } else {
        // the variable is setup during clinit, no need to initialize here
        push(null);
      }
      JsExpression rhs = (JsExpression) pop();
      JsName name = names.get(x);


      if (x.isStatic()) {
        // setup a var for the static
        JsVar var = new JsVar(x.getSourceInfo(), name);
        var.setInitExpr(rhs);
        push(var);
      } else {
        // for non-statics, only setup an assignment if needed
        if (rhs != null) {
          JsNameRef fieldRef = name.makeRef(x.getSourceInfo());
          fieldRef.setQualifier(globalTemp.makeRef(x.getSourceInfo()));
          JsExpression asg = createAssignment(fieldRef, rhs);
          push(new JsExprStmt(x.getSourceInfo(), asg));
        } else {
          push(null);
        }
      }

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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(x.getSourceInfo());
      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

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        jsFor.setBody(jsProgram.getEmptyStmt());
      }


      // increments
      {
        JsExpression incrExpr = null;
        List<JsExprStmt> exprStmts = popList(x.getIncrements().size());
        for (int i = 0; i < exprStmts.size(); ++i) {
          JsExprStmt exprStmt = exprStmts.get(i);
          incrExpr = createCommaExpression(incrExpr, exprStmt.getExpression());
        }
        jsFor.setIncrExpr(incrExpr);
      }


      // condition
      if (x.getTestExpr() != null) {
        jsFor.setCondition((JsExpression) pop());
      }


      // initializers
      JsExpression initExpr = null;
      List<JsExprStmt> initStmts = popList(x.getInitializers().size());
      for (int i = 0; i < initStmts.size(); ++i) {
        JsExprStmt initStmt = initStmts.get(i);
        if (initStmt != null) {
          initExpr = createCommaExpression(initExpr, initStmt.getExpression());

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    }


    @Override
    public void endVisit(JLongLiteral x, Context ctx) {
      super.endVisit(x, ctx);
      JsExpression longLiteralAllocation = pop();


      // My seed function name
      String nameString = Long.toString(x.getValue(), 16);
      if (nameString.charAt(0) == '-') {
        nameString = "N" + nameString.substring(1);

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      JsInvocation jsInvocation = new JsInvocation(x.getSourceInfo());


      popList(jsInvocation.getArguments(), x.getArgs().size()); // args


      JsNameRef qualifier;
      JsExpression unnecessaryQualifier = null;
      if (method.isStatic()) {
        if (x.getInstance() != null) {
          unnecessaryQualifier = (JsExpression) pop(); // instance
        }
        qualifier = names.get(method).makeRef(x.getSourceInfo());

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    }


    @Override
    public void endVisit(JMultiExpression x, Context ctx) {
      List<JsExpression> exprs = popList(x.exprs.size());
      JsExpression cur = null;
      for (int i = 0; i < exprs.size(); ++i) {
        JsExpression next = exprs.get(i);
        cur = createCommaExpression(cur, next);
      }
      if (cur == null) {
        // the multi-expression was empty; use undefined
        cur = jsProgram.getUndefinedLiteral();

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      push(jsObjectLiteral);
    }


    @Override
    public void endVisit(JsonPropInit init, Context ctx) {
      JsExpression valueExpr = (JsExpression) pop();
      JsExpression labelExpr = (JsExpression) pop();
      push(new JsPropertyInitializer(init.getSourceInfo(), labelExpr, valueExpr));
    }

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              x.resolve(jsName);


              // See if we need to add a clinit call to a static field ref
              JsInvocation clinitCall = maybeCreateClinitCall(field);
              if (clinitCall != null) {
                JsExpression commaExpr = createCommaExpression(clinitCall, x);
                ctx.replaceMe(commaExpr);
              }
            } else {
              JMethod method = (JMethod) node;
              if (x.getQualifier() == null) {

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    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(decl.getSourceInfo(), jsName);
      var.setInitExpr(classObjectAlloc);
      vars.add(var);
    }

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