Package com.google.caja.parser.js

Examples of com.google.caja.parser.js.Block.children()

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  }

  public final void testCatchBlocks() throws Exception {
    Block n = js(fromString("try { } catch (e) { var x; }"));

    TryStmt t = (TryStmt) n.children().get(0);
    CatchStmt c = (CatchStmt) t.children().get(1);

    Scope s0 = fromProgram(n);
    Scope s1 = Scope.fromCatchStmt(s0, c);
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  }

  public final void testMaskedExceptionVariablesErrorA() throws Exception {
    Block n = js(fromString("var e; try { } catch (e) { var x; }"));

    TryStmt t = (TryStmt) n.children().get(1);
    CatchStmt c = (CatchStmt) t.children().get(1);

    Scope s0 = fromProgram(n);
    Scope.fromCatchStmt(s0, c);
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  public final void testMaskedExceptionVariablesErrorB() throws Exception {
    Block n = js(fromString(
        "try { } catch (e) { function foo() { var e; } }"));

    TryStmt t = (TryStmt)n.children().get(0);
    CatchStmt c = (CatchStmt)t.children().get(1);
    Declaration d = findNodeWithIdentifier(n, Declaration.class, "foo");
    FunctionConstructor fc = (FunctionConstructor)d.getInitializer();

    Scope s0 = fromProgram(n);
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  public final void testMaskedExceptionVariablesSame() throws Exception {
    Block outerBlock = js(fromString(
        "try { } catch (e) { try { } catch (e) { var x; } }"));

    TryStmt t0 = (TryStmt) outerBlock.children().get(0);
    CatchStmt c0 = t0.getCatchClause();
    Block b0 = c0.getBody();
    TryStmt t1 = (TryStmt) b0.children().get(0);
    CatchStmt c1 = t1.getCatchClause();
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        "try { } catch (e) { try { } catch (e) { var x; } }"));

    TryStmt t0 = (TryStmt) outerBlock.children().get(0);
    CatchStmt c0 = t0.getCatchClause();
    Block b0 = c0.getBody();
    TryStmt t1 = (TryStmt) b0.children().get(0);
    CatchStmt c1 = t1.getCatchClause();

    Scope sn = fromProgram(outerBlock);
    Scope sc0 = Scope.fromCatchStmt(sn, c0);
    Scope.fromCatchStmt(sc0, c1);
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        Arrays.asList(
            new ExpressionStmt(new IntegerLiteral(FilePosition.UNKNOWN, 42)),
            new ExpressionStmt(new IntegerLiteral(FilePosition.UNKNOWN, 13))));
    assertTrue(n.makeImmutable());
    assertTrue(n.isImmutable());
    assertTrue(n.children().get(0).isImmutable());
    assertTrue(n.children().get(0).children().get(0).isImmutable());
    assertTrue(n.children().get(1).isImmutable());
    assertTrue(n.children().get(1).children().get(0).isImmutable());
    try {
      n.appendChild(new Noop(FilePosition.UNKNOWN));
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            new ExpressionStmt(new IntegerLiteral(FilePosition.UNKNOWN, 42)),
            new ExpressionStmt(new IntegerLiteral(FilePosition.UNKNOWN, 13))));
    assertTrue(n.makeImmutable());
    assertTrue(n.isImmutable());
    assertTrue(n.children().get(0).isImmutable());
    assertTrue(n.children().get(0).children().get(0).isImmutable());
    assertTrue(n.children().get(1).isImmutable());
    assertTrue(n.children().get(1).children().get(0).isImmutable());
    try {
      n.appendChild(new Noop(FilePosition.UNKNOWN));
      fail();
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  }

  public final void testStartStatementsForCatchStmt() throws Exception {
    Scope s0 = fromProgram(js(fromString("{}")));
    Block block = js(fromString("try {} catch (e) {}"));
    TryStmt t = (TryStmt)block.children().get(0);
    Scope s1 = Scope.fromCatchStmt(s0, t.getCatchClause());

    assertEquals(0, s0.getStartStatements().size());
    assertEquals(0, s1.getStartStatements().size());
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            new ExpressionStmt(new IntegerLiteral(FilePosition.UNKNOWN, 13))));
    assertTrue(n.makeImmutable());
    assertTrue(n.isImmutable());
    assertTrue(n.children().get(0).isImmutable());
    assertTrue(n.children().get(0).children().get(0).isImmutable());
    assertTrue(n.children().get(1).isImmutable());
    assertTrue(n.children().get(1).children().get(0).isImmutable());
    try {
      n.appendChild(new Noop(FilePosition.UNKNOWN));
      fail();
    } catch (UnsupportedOperationException e) { /* OK */ }
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  public final void testStartStatementsForFunctionConstructor()
      throws Exception {
    Scope s0 = fromProgram(js(fromString("{}")));
    Block block = js(fromString("function() {};"));
    FunctionConstructor fc = (FunctionConstructor)
        block.children().get(0).children().get(0);
    Scope s1 = Scope.fromFunctionConstructor(s0, fc);

    assertEquals(0, s0.getStartStatements().size());
    assertEquals(0, s1.getStartStatements().size());
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