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

com.google.gwt.dev.js.ast.JsBlock
Represents a JavaScript block statement.

      push(new JsBinaryOperation(myOp, lhs, rhs));
    }


    @Override
    public void endVisit(JBlock x, Context ctx) {
      JsBlock jsBlock = new JsBlock();
      List<JsStatement> stmts = jsBlock.getStatements();
      popList(stmts, x.statements.size()); // stmts
      Iterator<JsStatement> iterator = stmts.iterator();
      while (iterator.hasNext()) {
        JsStatement stmt = iterator.next();
        if (stmt == jsProgram.getEmptyStmt()) {

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    }


    @Override
    public void endVisit(JMethodBody x, Context ctx) {


      JsBlock body = (JsBlock) pop();
      List<JsNameRef> locals = popList(x.locals.size()); // locals


      JsFunction jsFunc = methodBodyMap.get(x);
      jsFunc.setBody(body); // body

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    @Override
    public void endVisit(JTryStatement x, Context ctx) {
      JsTry jsTry = new JsTry();


      if (x.getFinallyBlock() != null) {
        JsBlock finallyBlock = (JsBlock) pop(); // finallyBlock
        if (finallyBlock.getStatements().size() > 0) {
          jsTry.setFinallyBlock(finallyBlock);
        }
      }


      int size = x.getCatchArgs().size();
      assert (size < 2 && size == x.getCatchBlocks().size());
      if (size == 1) {
        JsBlock catchBlock = (JsBlock) pop(); // catchBlocks
        pop(); // catchArgs
        JsCatch jsCatch = catchMap.get(x.getCatchBlocks().get(0));
        jsCatch.setBody(catchBlock);
        jsTry.getCatches().add(jsCatch);
      }

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       */
      JsName gwtOnLoadName = topScope.declareName("gwtOnLoad");
      gwtOnLoadName.setObfuscatable(false);
      JsFunction gwtOnLoad = new JsFunction(topScope, gwtOnLoadName, true);
      globalStmts.add(gwtOnLoad.makeStmt());
      JsBlock body = new JsBlock();
      gwtOnLoad.setBody(body);
      JsScope fnScope = gwtOnLoad.getScope();
      List<JsParameter> params = gwtOnLoad.getParameters();
      JsName errFn = fnScope.declareName("errFn");
      JsName modName = fnScope.declareName("modName");
      JsName modBase = fnScope.declareName("modBase");
      params.add(new JsParameter(errFn));
      params.add(new JsParameter(modName));
      params.add(new JsParameter(modBase));
      JsExpression asg = createAssignment(
          topScope.findExistingUnobfuscatableName("$moduleName").makeRef(),
          modName.makeRef());
      body.getStatements().add(asg.makeStmt());
      asg = createAssignment(topScope.findExistingUnobfuscatableName(
          "$moduleBase").makeRef(), modBase.makeRef());
      body.getStatements().add(asg.makeStmt());
      JsIf jsIf = new JsIf();
      body.getStatements().add(jsIf);
      jsIf.setIfExpr(errFn.makeRef());
      JsTry jsTry = new JsTry();
      jsIf.setThenStmt(jsTry);
      JsBlock callBlock = new JsBlock();
      jsIf.setElseStmt(callBlock);
      jsTry.setTryBlock(callBlock);
      for (int i = 0; i < entryFuncs.size(); ++i) {
        JsFunction func = entryFuncs.get(i);
        if (func != null) {
          JsInvocation call = new JsInvocation();
          call.setQualifier(func.getName().makeRef());
          callBlock.getStatements().add(call.makeStmt());
        }
      }
      JsCatch jsCatch = new JsCatch(fnScope, "e");
      jsTry.getCatches().add(jsCatch);
      JsBlock catchBlock = new JsBlock();
      jsCatch.setBody(catchBlock);
      JsInvocation errCall = new JsInvocation();
      catchBlock.getStatements().add(errCall.makeStmt());
      errCall.setQualifier(errFn.makeRef());
      errCall.getArguments().add(modName.makeRef());
    }

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    }


    private void generateNullFunc(List<JsStatement> globalStatements) {
      // handle null method
      JsFunction nullFunc = new JsFunction(topScope, nullMethodName, true);
      nullFunc.setBody(new JsBlock());
      globalStatements.add(nullFunc.makeStmt());
    }

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        JsName seedFuncName = names.get(x);


        // seed function
        // function com_example_foo_Foo() { }
        JsFunction seedFunc = new JsFunction(topScope, seedFuncName, true);
        JsBlock body = new JsBlock();
        seedFunc.setBody(body);
        globalStmts.add(seedFunc.makeStmt());


        // setup prototype, assign to temp
        // _ = com_example_foo_Foo.prototype = new com_example_foo_FooSuper();

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            polymorphicNames.get(toStringMeth));
        toStringRef.setQualifier(new JsThisRef());
        call.setQualifier(toStringRef);
        JsReturn jsReturn = new JsReturn(call);
        JsFunction rhs = new JsFunction(topScope);
        JsBlock body = new JsBlock();
        body.getStatements().add(jsReturn);
        rhs.setBody(body);


        // asg
        JsExpression asg = createAssignment(lhs, rhs);
        globalStmts.add(new JsExprStmt(asg));

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      for (int i = 0; i < stmts.size(); i++) {
        JsStatement stmt = stmts.get(i);


        if (stmt instanceof JsBlock) {
          // Promote a sub-block's children to the current block.
          JsBlock block = (JsBlock) stmt;
          stmts.remove(i);
          stmts.addAll(i, block.getStatements());
          i--;
          didChange = true;
          continue;
        }

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        if (cond.isBooleanFalse()) {
          // Unless it contains break/continue statements
          FindBreakContinueStatementsVisitor visitor = new FindBreakContinueStatementsVisitor();
          visitor.accept(x.getBody());
          if (!visitor.hasBreakContinueStatements()) {
            JsBlock block = new JsBlock();
            block.getStatements().add(x.getBody());
            block.getStatements().add(expr.makeStmt());
            ctx.replaceMe(accept(block));
          }
        }
      }
    }

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      if (expr instanceof CanBooleanEval) {
        CanBooleanEval cond = (CanBooleanEval) expr;


        // If false, replace with initializers and condition.
        if (cond.isBooleanFalse()) {
          JsBlock block = new JsBlock();
          if (x.getInitExpr() != null) {
            block.getStatements().add(x.getInitExpr().makeStmt());
          }
          if (x.getInitVars() != null) {
            block.getStatements().add(x.getInitVars());
          }
          block.getStatements().add(expr.makeStmt());
          JsStatement decls = ensureDeclarations(x.getBody());
          if (decls != null) {
            block.getStatements().add(decls);
          }
          ctx.replaceMe(accept(block));
        }
      }
    }

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