Examples with Name com.google.javascript.jscomp.GlobalNamespace.Name used on opensource projects

Example 11 with Name

use of com.google.javascript.jscomp.GlobalNamespace.Name in project closure-compiler by google.

the class PolymerBehaviorExtractor method resolveBehaviorNameInternal.

/**
 * Implements behavior resolution. Call {@link #resolveBehaviorName(String, ModuleMetadata)}}
 * instead.
 */
private ResolveBehaviorNameResult resolveBehaviorNameInternal(String name, ModuleMetadata moduleMetadata) {
    // Check if this name is a module import/require.
    ResolveBehaviorNameResult result = getNameIfModuleImport(name, moduleMetadata);
    if (result != null) {
        return result;
    }
    // Check if this name is possibly from a legacy goog.module
    ResolveBehaviorNameResult legacyResolve = resolveReferenceToLegacyGoogModule(name);
    if (legacyResolve != null) {
        return legacyResolve;
    }
    // If not, look it up within the current module.
    Name moduleLevelName = moduleMetadata != null ? globalNames.getNameFromModule(moduleMetadata, name) : null;
    Name globalName = moduleLevelName == null ? globalNames.getSlot(name) : moduleLevelName;
    if (globalName == null) {
        return FAILED_RESOLVE_RESULT;
    }
    // Whether the declaration of this node is in the top-level global scope, as opposed to a module
    // or an IIFE.
    boolean isGlobalDeclaration = moduleLevelName == null;
    // Use any set as a backup declaration, even if it's local.
    Ref declarationRef = globalName.getDeclaration();
    if (declarationRef == null) {
        for (Ref ref : globalName.getRefs()) {
            if (ref.isSet()) {
                isGlobalDeclaration = false;
                declarationRef = ref;
                break;
            }
        }
    }
    if (declarationRef == null) {
        return FAILED_RESOLVE_RESULT;
    }
    Node declarationNode = declarationRef.getNode();
    if (declarationNode == null) {
        return FAILED_RESOLVE_RESULT;
    }
    Node rValue = NodeUtil.getRValueOfLValue(declarationNode);
    if (rValue == null) {
        return FAILED_RESOLVE_RESULT;
    }
    if (rValue.isQualifiedName()) {
        // Another identifier; recurse.
        Scope declarationScope = declarationRef.scope.getClosestHoistScope();
        Module m = ModuleImportResolver.getModuleFromScopeRoot(compiler.getModuleMap(), compiler, declarationScope.getRootNode());
        return resolveBehaviorName(getQualifiedNameThroughCast(rValue), m != null ? m.metadata() : null);
    }
    JSDocInfo behaviorInfo = NodeUtil.getBestJSDocInfo(declarationNode);
    if (behaviorInfo == null || !behaviorInfo.isPolymerBehavior()) {
        compiler.report(JSError.make(declarationNode, PolymerPassErrors.POLYMER_UNANNOTATED_BEHAVIOR));
    }
    return new ResolveBehaviorNameResult(rValue, isGlobalDeclaration, moduleMetadata);
}

Example 12 with Name

use of com.google.javascript.jscomp.GlobalNamespace.Name in project closure-compiler by google.

the class GlobalNamespaceTest method testlogicalAssignmentGets1.

@Test
public void testlogicalAssignmentGets1() {
    GlobalNamespace namespace = parse(lines(// 
    "const ns = {};", "ns.n1 = 1;", "ns.n2 = 2;", "ns.n1 ??= ns.n2;", "ns.n1 &&= ns.n2;"));
    Name bar = namespace.getSlot("ns");
    assertThat(bar.getGlobalSets()).isEqualTo(1);
    assertThat(bar.getAliasingGets()).isEqualTo(0);
    assertThat(bar.getTotalGets()).isEqualTo(0);
    Name n1 = namespace.getSlot("ns.n1");
    assertThat(n1.getGlobalSets()).isEqualTo(3);
    assertThat(n1.getAliasingGets()).isEqualTo(0);
    assertThat(n1.getTotalGets()).isEqualTo(0);
    Name n2 = namespace.getSlot("ns.n2");
    assertThat(n2.getGlobalSets()).isEqualTo(1);
    assertThat(n2.getAliasingGets()).isEqualTo(2);
    assertThat(n2.getTotalGets()).isEqualTo(2);
}

Example 13 with Name

use of com.google.javascript.jscomp.GlobalNamespace.Name in project closure-compiler by google.

the class GlobalNamespaceTest method updateRefNodeRemovesTwinRelationship.

@Test
public void updateRefNodeRemovesTwinRelationship() {
    GlobalNamespace namespace = parse(lines(// 
    "let A;", // A will have twin refs here
    "const B = A = 3;"));
    Name nameA = namespace.getOwnSlot("A");
    // first ref is declaration of A
    // second is the SET twin
    Ref setTwinRef = Iterables.get(nameA.getRefs(), 1);
    // third is the GET twin
    Ref getTwinRef = Iterables.get(nameA.getRefs(), 2);
    Node oldNode = getTwinRef.getNode();
    // move the getTwinRef
    Node newNode = IR.name("A");
    nameA.updateRefNode(getTwinRef, newNode);
    // see confirmTwinsAreCreated() for verification of the original twin relationship
    // confirm that getTwinRef has been updated
    assertThat(getTwinRef.getNode()).isEqualTo(newNode);
    assertThat(nameA.getRefsForNode(newNode)).containsExactly(getTwinRef);
    // confirm that the getTwinRef and setTwinRef are no longer twins
    assertThat(getTwinRef.getTwin()).isNull();
    assertThat(setTwinRef.getTwin()).isNull();
    // confirm that setTwinRef remains otherwise unchanged
    assertThat(setTwinRef.getNode()).isEqualTo(oldNode);
    assertThat(nameA.getRefsForNode(oldNode)).containsExactly(setTwinRef);
}

Example 14 with Name

use of com.google.javascript.jscomp.GlobalNamespace.Name in project closure-compiler by google.

the class GlobalNamespaceTest method withoutAssignmentFirstQnameDeclarationStatementJSDocWins.

@Test
public void withoutAssignmentFirstQnameDeclarationStatementJSDocWins() {
    GlobalNamespace namespace = parse(lines(// 
    "const X = {};", "/** @type {string} */", "X.number;", "/** @type {Object} */", "X.number;", ""));
    Name nameX = namespace.getOwnSlot("X.number");
    Ref declarationRef = nameX.getDeclaration();
    assertThat(declarationRef).isNull();
    // Make sure JSDoc on the first assignment is the JSDoc for the name
    JSDocInfo jsDocInfo = nameX.getJSDocInfo();
    assertThat(jsDocInfo).isNotNull();
    JSTypeExpression jsTypeExpression = jsDocInfo.getType();
    assertThat(jsTypeExpression).isNotNull();
    JSType jsType = jsTypeExpression.evaluate(/* scope= */
    null, lastCompiler.getTypeRegistry());
    assertType(jsType).isString();
}

Example 15 with Name

use of com.google.javascript.jscomp.GlobalNamespace.Name in project closure-compiler by google.

the class GlobalNamespaceTest method firstGlobalAssignmentIsConsideredDeclaration.

@Test
public void firstGlobalAssignmentIsConsideredDeclaration() {
    GlobalNamespace namespace = parse("");
    Name n = namespace.createNameForTesting("a");
    Ref set1 = n.addSingleRefForTesting(Ref.Type.SET_FROM_GLOBAL);
    Ref set2 = n.addSingleRefForTesting(Ref.Type.SET_FROM_GLOBAL);
    assertThat(n.getRefs()).containsExactly(set1, set2).inOrder();
    assertThat(n.getDeclaration()).isEqualTo(set1);
    assertThat(n.getGlobalSets()).isEqualTo(2);
    n.removeRef(set1);
    // declaration moves to next global assignment when first is removed
    assertThat(n.getDeclaration()).isEqualTo(set2);
    assertThat(n.getGlobalSets()).isEqualTo(1);
    assertThat(n.getRefs()).containsExactly(set2);
}