Package com.google.gwt.dev.js.ast

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

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      JsName modName = fnScope.declareName("modName");
      JsName modBase = fnScope.declareName("modBase");
      params.add(new JsParameter(sourceInfo, errFn));
      params.add(new JsParameter(sourceInfo, modName));
      params.add(new JsParameter(sourceInfo, modBase));
      JsExpression asg = createAssignment(
          topScope.findExistingUnobfuscatableName("$moduleName").makeRef(
              sourceInfo), modName.makeRef(sourceInfo));
      body.getStatements().add(asg.makeStmt());
      asg = createAssignment(topScope.findExistingUnobfuscatableName(
          "$moduleBase").makeRef(sourceInfo), modBase.makeRef(sourceInfo));
      body.getStatements().add(asg.makeStmt());
      JsIf jsIf = new JsIf(sourceInfo);
      body.getStatements().add(jsIf);
      jsIf.setIfExpr(errFn.makeRef(sourceInfo));
      JsTry jsTry = new JsTry(sourceInfo);
      jsIf.setThenStmt(jsTry);
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    }

    private void generateLongLiterals(JsVars vars) {
      for (Entry<Long, JsName> entry : longLits.entrySet()) {
        JsName jsName = entry.getValue();
        JsExpression longObjectAlloc = longObjects.get(jsName);
        JsVar var = new JsVar(vars.getSourceInfo().makeChild(
            GenerateJavaScriptVisitor.class, "Long literal " + entry.getKey()),
            jsName);
        var.setInitExpr(longObjectAlloc);
        vars.add(var);
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        // 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);
      }
    }
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        JsBlock body = new JsBlock(sourceInfo);
        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());
      }
    }
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        SourceInfo sourceInfo = x.getSourceInfo().makeChild(
            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);
      }
    }
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      }
      SourceInfo sourceInfo = jsProgram.createSourceInfoSynthetic(
          GenerateJavaScriptAST.class, "Type marker");
      JsNameRef fieldRef = typeMarkerName.makeRef(sourceInfo);
      fieldRef.setQualifier(globalTemp.makeRef(sourceInfo));
      JsExpression asg = createAssignment(fieldRef,
          nullMethodName.makeRef(sourceInfo));
      JsExprStmt stmt = asg.makeStmt();
      globalStmts.add(stmt);
      typeForStatMap.put(stmt, program.getTypeJavaLangObject());
    }
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            GenerateJavaScriptVisitor.class, "vtable assignment");
        if (!method.isStatic() && !method.isAbstract()) {
          JsNameRef lhs = polymorphicNames.get(method).makeRef(sourceInfo);
          lhs.setQualifier(globalTemp.makeRef(sourceInfo));
          JsNameRef rhs = names.get(method).makeRef(sourceInfo);
          JsExpression asg = createAssignment(lhs, rhs);
          JsExprStmt asgStat = new JsExprStmt(x.getSourceInfo(), asg);
          globalStmts.add(asgStat);
          vtableInitForMethodMap.put(asgStat, method);
        }
      }
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      clinitFunc.setImpliedExecute(superClinit);
      List<JsStatement> statements = clinitFunc.getBody().getStatements();
      SourceInfo sourceInfo = clinitFunc.getSourceInfo().makeChild(
          GenerateJavaScriptVisitor.class, "clinit reassignment");
      // self-assign to the null method immediately (to prevent reentrancy)
      JsExpression asg = createAssignment(clinitFunc.getName().makeRef(
          sourceInfo), nullMethodName.makeRef(sourceInfo));
      statements.add(0, asg.makeStmt());
    }
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      throw new InternalCompilerException("Should not get here.");
    }

    // @Override
    public void endVisit(JBinaryOperation x, Context ctx) {
      JsExpression rhs = (JsExpression) pop(); // rhs
      JsExpression lhs = (JsExpression) pop(); // lhs
      JsBinaryOperator myOp = JavaToJsOperatorMap.get(x.getOp());

      /*
       * Use === and !== on reference types, or else you can get wrong answers
       * when Object.toString() == 'some string'.
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      }
    }

    // @Override
    public void endVisit(JConditional x, Context ctx) {
      JsExpression elseExpr = (JsExpression) pop(); // elseExpr
      JsExpression thenExpr = (JsExpression) pop(); // thenExpr
      JsExpression ifTest = (JsExpression) pop(); // ifTest
      push(new JsConditional(ifTest, thenExpr, elseExpr));
    }
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Related Classes of com.google.gwt.dev.js.ast.JsExpression

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  • com.google.gwt.dev.jjs.impl.codesplitter.EchoStatementLogger
  • com.google.gwt.dev.jjs.impl.codesplitter.FragmentExtractor
  • com.google.gwt.dev.jjs.impl.FragmentExtractor
  • com.google.gwt.dev.jjs.impl.GenerateJavaAST$JsniRefGenerationVisitor$JsniRefResolver
  • com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$GenerateJavaScriptVisitor
  • com.google.gwt.dev.jjs.impl.GenerateJavaScriptLiterals
  • com.google.gwt.dev.jjs.impl.GwtAstBuilder$AstVisitor$JsniReferenceCollector
  • com.google.gwt.dev.jjs.impl.GwtAstBuilder$AstVisitor$JsniResolver
  • com.google.gwt.dev.jjs.impl.JjsUtils
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