Package com.google.javascript.jscomp.Scope

Examples of com.google.javascript.jscomp.Scope.Var

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  }

  public void testDeclaredVar() throws Exception {
    testSame("/** @type {?number} */ var x = 3; var y = x;");

    Var x = globalScope.getVar("x");
    assertEquals("(null|number)", x.getType().toString());
    assertFalse(x.isTypeInferred());

    JSType y = findNameType("y", globalScope);
    assertEquals("(null|number)", y.toString());
  }
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  public void testPropertiesOnInterface() throws Exception {
    testSame("/** @interface */ var I = function() {};" +
        "/** @type {number} */ I.prototype.bar;" +
        "I.prototype.baz = function(){};");

    Var i = globalScope.getVar("I");
    assertEquals("function (this:I): ?", i.getType().toString());
    assertTrue(i.getType().isInterface());

    ObjectType iPrototype = (ObjectType)
        ((ObjectType) i.getType()).getPropertyType("prototype");
    assertEquals("I.prototype", iPrototype.toString());
    assertTrue(iPrototype.isFunctionPrototypeType());

    assertEquals("number", iPrototype.getPropertyType("bar").toString());
    assertEquals("function (this:I): undefined",
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  public void testPropertiesOnInterface2() throws Exception {
    testSame("/** @interface */ var I = function() {};" +
        "I.prototype = {baz: function(){}};" +
        "/** @type {number} */ I.prototype.bar;");

    Var i = globalScope.getVar("I");
    assertEquals("function (this:I): ?", i.getType().toString());
    assertTrue(i.getType().isInterface());

    ObjectType iPrototype = (ObjectType)
        ((ObjectType) i.getType()).getPropertyType("prototype");
    assertEquals("I.prototype", iPrototype.toString());
    assertTrue(iPrototype.isFunctionPrototypeType());

    assertEquals("number", iPrototype.getPropertyType("bar").toString());

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  public void testTypesInExterns() throws Exception {
    testSame(
        CompilerTypeTestCase.DEFAULT_EXTERNS,
        "", null);

    Var v = globalScope.getVar("Object");
    FunctionType obj = (FunctionType) v.getType();
    assertEquals("function (new:Object, *=): Object", obj.toString());
    assertNotNull(v.getNode());
    assertNotNull(v.input);
  }
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  }

  public void testForLoopIntegration() {
    testSame("var y = 3; for (var x = true; x; y = x) {}");

    Var y = globalScope.getVar("y");
    assertTrue(y.isTypeInferred());
    assertEquals("(boolean|number)", y.getType().toString());
  }
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    assertEquals("number", yType.toString());
  }

  public void testDeclaredObjectLitProperty6() throws Exception {
    testSame("var x = {/** This is JsDoc */ prop: function(){}};");
    Var prop = globalScope.getVar("x.prop");
    JSType propType = prop.getType();
    assertEquals("function (): undefined", propType.toString());
    assertFalse(prop.isTypeInferred());
    assertFalse(
        ObjectType.cast(globalScope.getVar("x").getType())
        .isPropertyTypeInferred("prop"));
  }
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        .isPropertyTypeInferred("prop"));
  }

  public void testInferredObjectLitProperty1() throws Exception {
    testSame("var x = {prop: 3};");
    Var prop = globalScope.getVar("x.prop");
    JSType propType = prop.getType();
    assertEquals("number", propType.toString());
    assertTrue(prop.isTypeInferred());
    assertTrue(
        ObjectType.cast(globalScope.getVar("x").getType())
        .isPropertyTypeInferred("prop"));
  }
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        .isPropertyTypeInferred("prop"));
  }

  public void testInferredObjectLitProperty2() throws Exception {
    testSame("var x = {prop: function(){}};");
    Var prop = globalScope.getVar("x.prop");
    JSType propType = prop.getType();
    assertEquals("function (): undefined", propType.toString());
    assertTrue(prop.isTypeInferred());
    assertTrue(
        ObjectType.cast(globalScope.getVar("x").getType())
        .isPropertyTypeInferred("prop"));
  }
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    private final Set<Var> staleVars = Sets.newHashSet();

    @Override
    public void afterExitScope(NodeTraversal t, ReferenceMap referenceMap) {
      for (Iterator<Var> it = t.getScope().getVars(); it.hasNext();) {
        Var v = it.next();

        if (isVarInlineForbidden(v)) {
          continue;
        }
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          }
        }

        // Prevent an infinite loop.
        if (newQueue.size() == aliasWorkQueue.size()) {
          Var cycleVar = newQueue.get(0).aliasVar;
          compiler.report(JSError.make(
              cycleVar.getNode(), GOOG_SCOPE_ALIAS_CYCLE, cycleVar.getName()));
          break;
        } else {
          aliasWorkQueue = newQueue;
        }
      }
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Related Classes of com.google.javascript.jscomp.Scope.Var

  • com.google.javascript.jscomp.AnalyzePrototypeProperties$ProcessProperties
  • com.google.javascript.jscomp.CheckAccessControls
  • com.google.javascript.jscomp.CoalesceVariableNames
  • com.google.javascript.jscomp.CoalesceVariableNames$CombinedLiveRangeChecker
  • com.google.javascript.jscomp.CollapseProperties
  • com.google.javascript.jscomp.CollapseVariableDeclarations$GatherCollapses
  • com.google.javascript.jscomp.CrossModuleCodeMotion
  • com.google.javascript.jscomp.DataFlowAnalysis
  • com.google.javascript.jscomp.DeadAssignmentsElimination
  • com.google.javascript.jscomp.Es6RenameVariablesInParamLists
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