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

com.google.gwt.dev.js.ast.JsExprStmt
Represents a JavaScript expression statement.

  private static JsExpression hoistedExpression(JsProgram program,
      JsStatement statement, List<JsName> localVariableNames) {
    JsExpression expression;
    if (statement instanceof JsExprStmt) {
      // Extract the expression
      JsExprStmt exprStmt = (JsExprStmt) statement;
      expression = exprStmt.getExpression();


    } else if (statement instanceof JsReturn) {
      // Extract the return value
      JsReturn ret = (JsReturn) statement;
      expression = ret.getExpr();

View Full Code Here

   * If the statement is a JsExprStmt that declares a function with no other
   * side effects, returns that function; otherwise <code>null</code>.
   */
  protected static JsFunction isFunctionDecl(JsStatement stmt) {
    if (stmt instanceof JsExprStmt) {
      JsExprStmt exprStmt = (JsExprStmt) stmt;
      JsExpression expr = exprStmt.getExpression();
      if (expr instanceof JsFunction) {
        JsFunction func = (JsFunction) expr;
        if (func.getName() != null) {
          return func;
        }

View Full Code Here

    SourceInfo jsInfo = SourceOrigin.create(jsStartPos, jsEndPos, jsLine,
        info.getFileName());
    try {
      List<JsStatement> result = JsParser.parse(jsInfo, jsProgram.getScope(),
          sr);
      JsExprStmt jsExprStmt = (JsExprStmt) result.get(0);
      return (JsFunction) jsExprStmt.getExpression();
    } catch (IOException e) {
      throw new InternalCompilerException("Internal error parsing JSNI in '"
          + enclosingType + '.' + method.toString() + '\'', e);
    } catch (JsParserException e) {
      int problemCharPos = computeAbsoluteProblemPosition(indexes,

View Full Code Here

      jsInfo.copyMissingCorrelationsFrom(info);


      try {
        List<JsStatement> result = JsParser.parse(jsInfo, jsProgram.getScope(),
            sr);
        JsExprStmt jsExprStmt = (JsExprStmt) result.get(0);
        JsFunction jsFunction = (JsFunction) jsExprStmt.getExpression();
        jsFunction.setFromJava(true);
        ((JsniMethodBody) newMethod.getBody()).setFunc(jsFunction);


        // Ensure that we've resolved the parameter and local references within
        // the JSNI method for later pruning.

View Full Code Here

   */
  private JReferenceType vtableTypeAssigned(JsStatement stat) {
    if (!(stat instanceof JsExprStmt)) {
      return null;
    }
    JsExprStmt expr = (JsExprStmt) stat;
    if (!(expr.getExpression() instanceof JsBinaryOperation)) {
      return null;
    }
    JsBinaryOperation binExpr = (JsBinaryOperation) expr.getExpression();
    if (binExpr.getOperator() != JsBinaryOperator.ASG) {
      return null;
    }
    if (!(binExpr.getArg1() instanceof JsNameRef)) {
      return null;

View Full Code Here

        // 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);
        }
      }
    }

View Full Code Here

      // 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());
        }
      }
      jsFor.setInitExpr(initExpr);


      push(jsFor);

View Full Code Here

        JsFunction seedFunc = new JsFunction(sourceInfo, topScope,
            seedFuncName, true);
        seedFuncName.setStaticRef(seedFunc);
        JsBlock body = new JsBlock(sourceInfo);
        seedFunc.setBody(body);
        JsExprStmt seedFuncStmt = seedFunc.makeStmt();
        globalStmts.add(seedFuncStmt);
        typeForStatMap.put(seedFuncStmt, x);


        // setup prototype, assign to temp
        // _ = com_example_foo_Foo.prototype = new com_example_foo_FooSuper();
        JsNameRef lhs = prototype.makeRef(sourceInfo);
        lhs.setQualifier(seedFuncName.makeRef(sourceInfo));
        JsExpression rhs;
        if (x.getSuperClass() != null) {
          JsNew newExpr = new JsNew(sourceInfo);
          JsNameRef superPrototypeRef = names.get(x.getSuperClass()).makeRef(
              sourceInfo);
          newExpr.setConstructorExpression(superPrototypeRef);
          rhs = newExpr;
        } else {
          rhs = new JsObjectLiteral(sourceInfo);
        }
        JsExpression protoAsg = createAssignment(lhs, rhs);
        JsExpression tmpAsg = createAssignment(globalTemp.makeRef(sourceInfo),
            protoAsg);
        JsExprStmt tmpAsgStmt = tmpAsg.makeStmt();
        globalStmts.add(tmpAsgStmt);
        typeForStatMap.put(tmpAsgStmt, x);
      } else {
        /*
         * MAGIC: java.lang.String is implemented as a JavaScript String
         * primitive with a modified prototype.
         */
        JsNameRef rhs = prototype.makeRef(sourceInfo);
        rhs.setQualifier(jsProgram.getRootScope().declareName("String").makeRef(
            sourceInfo));
        JsExpression tmpAsg = createAssignment(globalTemp.makeRef(sourceInfo),
            rhs);
        JsExprStmt tmpAsgStmt = tmpAsg.makeStmt();
        globalStmts.add(tmpAsgStmt);
        typeForStatMap.put(tmpAsgStmt, x);
      }
    }

View Full Code Here

        body.getStatements().add(jsReturn);
        rhs.setBody(body);


        // asg
        JsExpression asg = createAssignment(lhs, rhs);
        JsExprStmt stmt = asg.makeStmt();
        globalStmts.add(stmt);
        typeForStatMap.put(stmt, program.getTypeJavaLangObject());
      }
    }

View Full Code Here

            GenerateJavaScriptVisitor.class, "Type id assignment");
        JsNameRef fieldRef = typeIdName.makeRef(sourceInfo);
        fieldRef.setQualifier(globalTemp.makeRef(sourceInfo));
        JsNumberLiteral typeIdLit = jsProgram.getNumberLiteral(typeId);
        JsExpression asg = createAssignment(fieldRef, typeIdLit);
        JsExprStmt asgStmt = asg.makeStmt();
        globalStmts.add(asgStmt);
        typeForStatMap.put(asgStmt, x);
      }
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of com.google.gwt.dev.js.ast.JsExprStmt

com.google.gwt.dev.javac.JsniCollector

com.google.gwt.dev.javac.JsniMethodCollector

com.google.gwt.dev.jjs.impl.BuildTypeMap$BuildDeclMapVisitor

com.google.gwt.dev.jjs.impl.codesplitter.FragmentExtractor

com.google.gwt.dev.jjs.impl.codesplitter.FragmentExtractorTest

com.google.gwt.dev.jjs.impl.FragmentExtractor

com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$CreateNamesAndScopesVisitor

com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$GenerateJavaScriptVisitor

com.google.gwt.dev.js.CoverageInstrumentorTest

com.google.gwt.dev.js.JsInliner

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.