Package com.google.javascript.jscomp.SymbolTable

Examples of com.google.javascript.jscomp.SymbolTable.Symbol

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        "var goog = {};" +
        "goog.provide = function() {};" +
        "goog.require = function() {};" +
        "goog.provide('goog.dom');" +
        "goog.require('goog.dom');");
    Symbol goog = getGlobalVar(table, "goog");
    assertNotNull(goog);

    // 8 references:
    // 5 in code
    // 2 in strings
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    assertEquals(8, Iterables.size(table.getReferences(goog)));
  }

  public void testGlobalVarInExterns() throws Exception {
    SymbolTable table = createSymbolTable("customExternFn(1);");
    Symbol fn = getGlobalVar(table, "customExternFn");
    List<Reference> refs = Lists.newArrayList(table.getReferences(fn));
    assertEquals(2, refs.size());

    SymbolScope scope = table.getEnclosingScope(refs.get(0).getNode());
    assertTrue(scope.isGlobalScope());
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    assertNull(table.getSymbolForScope(scope));
  }

  public void testLocalVarInExterns() throws Exception {
    SymbolTable table = createSymbolTable("");
    Symbol arg = getLocalVar(table, "customExternArg");
    List<Reference> refs = Lists.newArrayList(table.getReferences(arg));
    assertEquals(1, refs.size());

    Symbol fn = getGlobalVar(table, "customExternFn");
    SymbolScope scope = table.getEnclosingScope(refs.get(0).getNode());
    assertFalse(scope.isGlobalScope());
    assertEquals(fn, table.getSymbolForScope(scope));
  }
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        "function random() { return 1; }" +
        "/** @constructor */ function Foo() {}" +
        "/** @constructor */ function Bar() {}" +
        "var x = random() ? new Foo() : new Bar();");

    Symbol x = getGlobalVar(table, "x");
    Symbol foo = getGlobalVar(table, "Foo");
    Symbol bar = getGlobalVar(table, "Bar");
    Symbol fooPrototype = getGlobalVar(table, "Foo.prototype");
    Symbol fn = getGlobalVar(table, "Function");
    Symbol obj = getGlobalVar(table, "Object");
    assertEquals(
        Lists.newArrayList(foo, bar), table.getAllSymbolsForTypeOf(x));
    assertEquals(
        Lists.newArrayList(fn), table.getAllSymbolsForTypeOf(foo));
    assertEquals(
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    SymbolTable table = createSymbolTable(
        "/** @constructor */ var DomHelper = function(){};" +
        "/** method */ DomHelper.method = function() {};" +
        "function f() { var x = DomHelper; x.method() + x.method(); }");

    Symbol method =
        getGlobalVar(table, "DomHelper").getPropertyScope().getSlot("method");
    assertEquals(
        3, Iterables.size(table.getReferences(method)));
  }
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        "/** @constructor */ var DomHelper = function(){};" +
        "/** method */ DomHelper.prototype.method = function() {};" +
        "function f() { " +
        "  (new DomHelper()).method(); (new DomHelper()).method(); };");

    Symbol method =
        getGlobalVar(table, "DomHelper.prototype.method");
    assertEquals(
        3, Iterables.size(table.getReferences(method)));
  }
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        "  /** @type {number} */ this.field = 3;" +
        "};" +
        "function f() { " +
        "  return (new DomHelper()).field + (new DomHelper()).field; };");

    Symbol field = getGlobalVar(table, "DomHelper.prototype.field");
    assertEquals(
        3, Iterables.size(table.getReferences(field)));
  }
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        "DomHelper.prototype.method = function() { " +
        "  this.field = 3;" +
        "  return x.field;" +
        "}");

    Symbol field = getGlobalVar(table, "DomHelper.prototype.field");
    assertNull(field);
  }
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  public void testPrototypeReferences() throws Exception {
    SymbolTable table = createSymbolTable(
        "/** @constructor */ function DomHelper() {}" +
        "DomHelper.prototype.method = function() {};");
    Symbol prototype =
        getGlobalVar(table, "DomHelper.prototype");
    assertNotNull(prototype);

    List<Reference> refs = Lists.newArrayList(table.getReferences(prototype));

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  public void testPrototypeReferences2() throws Exception {
    SymbolTable table = createSymbolTable(
        "/** @constructor */\n"
        + "function Snork() {}\n"
        + "Snork.prototype.baz = 3;\n");
    Symbol prototype =
        getGlobalVar(table, "Snork.prototype");
    assertNotNull(prototype);

    List<Reference> refs = Lists.newArrayList(table.getReferences(prototype));
    assertEquals(2, refs.size());
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Related Classes of com.google.javascript.jscomp.SymbolTable.Symbol

  • com.google.javascript.jscomp.SymbolTableTest
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