Package com.google.javascript.jscomp.SymbolTable

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

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        "/**\n"
        + " * @param {number} x\n"
        + " * @param y\n"
        + " */\n"
        + "var a;");
    Symbol x = getDocVar(table, "x");
    assertNotNull(x);
    assertEquals("number", x.getType().toString());
    assertEquals(1, table.getReferenceList(x).size());

    Symbol y = getDocVar(table, "y");
    assertNotNull(x);
    assertNull(y.getType());
    assertEquals(1, table.getReferenceList(y).size());
  }
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    SymbolTable table = createSymbolTable(
        "/** @const */ var goog = {};\n"
        + "/** @constructor */ goog.dom.Foo = function() {};\n"
        + "/** @const */ goog.dom = {};\n");

    Symbol goog = getGlobalVar(table, "goog");
    Symbol dom = getGlobalVar(table, "goog.dom");
    Symbol Foo = getGlobalVar(table, "goog.dom.Foo");

    assertNotNull(goog);
    assertNotNull(dom);
    assertNotNull(Foo);

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        "/** @constructor */ var Foo = function() {};\n" +
        "/** desc */ Foo.prototype.bar = function() {};\n" +
        "/** @constructor */ var FooAlias = Foo;\n" +
        "/** desc */ FooAlias.prototype.baz = function() {};\n");

    Symbol foo = getGlobalVar(table, "Foo");
    Symbol fooAlias = getGlobalVar(table, "FooAlias");
    Symbol bar = getGlobalVar(table, "Foo.prototype.bar");
    Symbol baz = getGlobalVar(table, "Foo.prototype.baz");
    Symbol bazAlias = getGlobalVar(table, "FooAlias.prototype.baz");

    assertNotNull(foo);
    assertNotNull(fooAlias);
    assertNotNull(bar);
    assertNotNull(baz);
    assertNull(bazAlias);

    Symbol barScope = table.getSymbolForScope(table.getScope(bar));
    assertNotNull(barScope);

    Symbol bazScope = table.getSymbolForScope(table.getScope(baz));
    assertNotNull(bazScope);

    Symbol fooPrototype = foo.getPropertyScope().getSlot("prototype");
    assertNotNull(fooPrototype);

    assertEquals(fooPrototype, barScope);
    assertEquals(fooPrototype, bazScope);
  }
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  public void testSymbolForScopeOfNatives() throws Exception {
    SymbolTable table = createSymbolTable("");

    // From the externs.
    Symbol sliceArg = getLocalVar(table, "sliceArg");
    assertNotNull(sliceArg);

    Symbol scope = table.getSymbolForScope(table.getScope(sliceArg));
    assertNotNull(scope);
    assertEquals(scope, getGlobalVar(table, "String.prototype.slice"));

    Symbol proto = getGlobalVar(table, "String.prototype");
    assertEquals(
        "externs1", proto.getDeclaration().getNode().getSourceFileName());
  }
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      for (Reference ref : table.getReferences(sym)) {
        // Make sure that the symbol and reference are mutually linked.
        assertEquals(sym, ref.getSymbol());
      }

      Symbol scope = table.getSymbolForScope(table.getScope(sym));
      assertTrue(
          "The symbol's scope is a zombie scope that shouldn't exist.\n" +
          "Symbol: " + sym + "\n" +
          "Scope: " + table.getScope(sym),
          scope == null || allSymbols.contains(scope));
    }

    // Make sure that the global "this" is declared at the first input root.
    Symbol global = getGlobalVar(table, SymbolTable.GLOBAL_THIS);
    assertNotNull(global);
    assertNotNull(global.getDeclaration());
    assertEquals(Token.SCRIPT, global.getDeclaration().getNode().getType());

    List<Reference> globalRefs = table.getReferenceList(global);

    // The main reference list should never contain the synthetic declaration
    // for the global root.
    assertFalse(globalRefs.contains(global.getDeclaration()));

    return table;
  }
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  public void testGlobalThisReferences() throws Exception {
    SymbolTable table = createSymbolTable(
        "var x = this; function f() { return this + this + this; }");

    Symbol global = getGlobalVar(table, "*global*");
    assertNotNull(global);

    List<Reference> refs = table.getReferenceList(global);
    assertEquals(1, refs.size());
  }
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  public void testGlobalThisReferences2() throws Exception {
    // Make sure the global this is declared, even if it isn't referenced.
    SymbolTable table = createSymbolTable("");

    Symbol global = getGlobalVar(table, "*global*");
    assertNotNull(global);

    List<Reference> refs = table.getReferenceList(global);
    assertEquals(0, refs.size());
  }
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  }

  public void testGlobalThisReferences3() throws Exception {
    SymbolTable table = createSymbolTable("this.foo = {}; this.foo.bar = {};");

    Symbol global = getGlobalVar(table, "*global*");
    assertNotNull(global);

    List<Reference> refs = table.getReferenceList(global);
    assertEquals(2, refs.size());
  }
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  public void testGlobalThisPropertyReferences() throws Exception {
    SymbolTable table = createSymbolTable(
        "/** @constructor */ function Foo() {} this.Foo;");

    Symbol foo = getGlobalVar(table, "Foo");
    assertNotNull(foo);

    List<Reference> refs = table.getReferenceList(foo);
    assertEquals(2, refs.size());
  }
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  }

  public void testGlobalVarReferences() throws Exception {
    SymbolTable table = createSymbolTable(
        "/** @type {number} */ var x = 5; x = 6;");
    Symbol x = getGlobalVar(table, "x");
    List<Reference> refs = table.getReferenceList(x);

    assertEquals(2, refs.size());
    assertEquals(x.getDeclaration(), refs.get(0));
    assertEquals(Token.VAR, refs.get(0).getNode().getParent().getType());
    assertEquals(Token.ASSIGN, refs.get(1).getNode().getParent().getType());
  }
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Related Classes of com.google.javascript.jscomp.SymbolTable.Symbol

  • com.google.javascript.jscomp.SymbolTableTest
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