public void testExternsLifting1() throws Exception {
String code = "/** @externs */ function f() {}";
test(new String[] {code}, new String[] {});
assertEquals(2, lastCompiler.getExternsForTesting().size());
CompilerInput extern = lastCompiler.getExternsForTesting().get(1);
assertNull(extern.getModule());
assertTrue(extern.isExtern());
assertEquals(code, extern.getCode());
assertEquals(1, lastCompiler.getInputsForTesting().size());
CompilerInput input = lastCompiler.getInputsForTesting().get(0);
assertNotNull(input.getModule());
assertFalse(input.isExtern());
assertEquals("", input.getCode());
}
private void addInstaller(Node sourceNode, String function) {
// Find the module
InputId inputId = sourceNode.getInputId();
CompilerInput input = inputId != null ? compiler.getInput(inputId) : null;
JSModule module = input != null ? input.getModule() : null;
InjectedInstaller injected = new InjectedInstaller(module, function);
if (installers.add(injected)) {
changed = true;
Node installer = compiler.parseSyntheticCode(function).removeChildren();
installer.useSourceInfoIfMissingFromForTree(sourceNode);
Node enclosingScript = NodeUtil.getEnclosingScript(sourceNode);
enclosingScript.addChildrenToFront(installer);
}
}
JSModule getRefModule(ReferenceCollectingCallback.Reference ref) {
CompilerInput input = compiler.getInput(ref.getInputId());
return input == null ? null : input.getModule();
}
/** Gets the current input module. */
public JSModule getModule() {
CompilerInput input = getInput();
return input == null ? null : input.getModule();
}