private void splitFiles(String[] input) {
Compiler compiler = new Compiler();
List<SourceFile> files = Lists.newArrayList();
for (int i = 0; i < input.length; i++) {
files.add(SourceFile.fromCode("file" + i, input[i]));
}
compiler.init(ImmutableList.<SourceFile>of(), files, new CompilerOptions());
compiler.parse();
Node original = compiler.getRoot();
Node root = original.cloneTree();
AstParallelizer parallelizer = AstParallelizer.createNewFileLevelAstParallelizer(root);
List<Node> forest = parallelizer.split();
assertEquals(input.length, forest.size());
int i = 0;
for (Node n : forest) {
Node tree = compiler.parseTestCode(input[i++]);
assertEquals(compiler.toSource(tree), compiler.toSource(n));
}
parallelizer.join();
assertTrue(original.isEquivalentTo(root));
}
protected void testExternChanges(String extern, String input, String expectedExtern) {
Compiler compiler = createCompiler();
CompilerOptions options = getOptions();
compiler.init(
ImmutableList.of(SourceFile.fromCode("extern", extern)),
ImmutableList.of(SourceFile.fromCode("input", input)),
options);
compiler.parseInputs();
assertFalse(compiler.hasErrors());
Node externsAndJs = compiler.getRoot();
Node root = externsAndJs.getLastChild();
Node externs = externsAndJs.getFirstChild();
Node expected = compiler.parseTestCode(expectedExtern);
assertFalse(compiler.hasErrors());
(getProcessor(compiler)).process(externs, root);
String externsCode = compiler.toSource(externs);
String expectedCode = compiler.toSource(expected);
assertEquals(expectedCode, externsCode);
}
private void test(String js, FunctionInformationMap expected) {
Compiler compiler = new Compiler();
compiler.init(
new JSSourceFile[] {JSSourceFile.fromCode("externs", "")},
new JSSourceFile[] {JSSourceFile.fromCode("testcode", js)},
new CompilerOptions());
test(compiler, expected);
}
/**
* Verifies that the compiler pass's JS output matches the expected output and (optionall) that an
* expected warning is issued. Or, if an error is expected, this method just verifies that the
* error is encountered.
*
* @param inputs Inputs
* @param expected Expected JS output
* @param error Expected error, or null if no error is expected
* @param description The description of the expected warning, or null if no warning is expected
* or if the warning's description should no be examined
*/
public void test(
List<SourceFile> inputs,
String[] expected,
DiagnosticType error,
DiagnosticType warning,
String description) {
Compiler compiler = createCompiler();
lastCompiler = compiler;
compiler.init(externsInputs, inputs, getOptions());
test(compiler, expected, error, warning, description);
}
/** Parses expected JS inputs and returns the root of the parse tree. */
protected Node parseExpectedJs(List<SourceFile> inputs) {
Compiler compiler = createCompiler();
compiler.init(externsInputs, inputs, getOptions());
Node root = compiler.parseInputs();
assertTrue(
"Unexpected parse error(s): " + Joiner.on("\n").join(compiler.getErrors()), root != null);
Node externsRoot = root.getFirstChild();
Node mainRoot = externsRoot.getNext();
// Only run the normalize pass, if asked.
if (normalizeEnabled && normalizeExpected && !compiler.hasErrors()) {
Normalize normalize = new Normalize(compiler, false);
normalize.process(externsRoot, mainRoot);
}
return mainRoot;
}
private Node parse(String[] original) {
String[] argStrings = args.toArray(new String[] {});
CommandLineRunner runner = new CommandLineRunner(argStrings);
Compiler compiler = runner.createCompiler();
List<SourceFile> inputs = Lists.newArrayList();
for (int i = 0; i < original.length; i++) {
inputs.add(SourceFile.fromCode(getFilename(i), original[i]));
}
CompilerOptions options = new CompilerOptions();
// ECMASCRIPT5 is the most forgiving.
options.setLanguageIn(LanguageMode.ECMASCRIPT5);
compiler.init(externs, inputs, options);
Node all = compiler.parseInputs();
Preconditions.checkState(compiler.getErrorCount() == 0);
Preconditions.checkNotNull(all);
Node n = all.getLastChild();
return n;
}
/** Parses expected JS inputs and returns the root of the parse tree. */
protected Node parseExpectedJs(List<SourceFile> inputs) {
Compiler compiler = createCompiler();
compiler.init(externsInputs, inputs, getOptions());
Node root = compiler.parseInputs();
assertNotNull("Unexpected parse error(s): " + Joiner.on("\n").join(compiler.getErrors()), root);
Node externsRoot = root.getFirstChild();
Node mainRoot = externsRoot.getNext();
// Only run the normalize pass, if asked.
if (normalizeEnabled && normalizeExpected && !compiler.hasErrors()) {
Normalize normalize = new Normalize(compiler, false);
normalize.process(externsRoot, mainRoot);
}
if (closurePassEnabled && closurePassEnabledForExpected && !compiler.hasErrors()) {
new ProcessClosurePrimitives(compiler, null, CheckLevel.ERROR, false).process(null, mainRoot);
}
return mainRoot;
}
protected void testExternChanges(String extern, String input, String expectedExtern) {
Compiler compiler = createCompiler();
CompilerOptions options = getOptions();
compiler.init(
ImmutableList.of(SourceFile.fromCode("extern", extern)),
ImmutableList.of(SourceFile.fromCode("input", input)),
options);
compiler.parseInputs();
assertFalse(compiler.hasErrors());
Node externsAndJs = compiler.getRoot();
Node root = externsAndJs.getLastChild();
Node externs = externsAndJs.getFirstChild();
Node expected = compiler.parseTestCode(expectedExtern);
assertFalse(compiler.hasErrors());
(getProcessor(compiler)).process(externs, root);
if (compareAsTree) {
// Expected output parsed without implied block.
Preconditions.checkState(externs.isBlock());
Preconditions.checkState(compareJsDoc);
Preconditions.checkState(
externs.hasOneChild(), "Compare as tree only works when output has a single script.");
externs = externs.getFirstChild();
String explanation = expected.checkTreeEqualsIncludingJsDoc(externs);
assertNull(
"\nExpected: "
+ compiler.toSource(expected)
+ "\nResult: "
+ compiler.toSource(externs)
+ "\n"
+ explanation,
explanation);
} else {
String externsCode = compiler.toSource(externs);
String expectedCode = compiler.toSource(expected);
assertEquals(expectedCode, externsCode);
}
}
private String printHelper(String js, boolean runProcessor) {
Compiler compiler = createCompiler();
CompilerOptions options = getOptions();
compiler.init(
ImmutableList.<SourceFile>of(),
ImmutableList.of(SourceFile.fromCode("testcode", js)),
options);
Node root = compiler.parseInputs();
assertNotNull(
"Unexpected parse error(s): "
+ Joiner.on("\n").join(compiler.getErrors())
+ "\nEXPR: "
+ js,
root);
Node externsRoot = root.getFirstChild();
Node mainRoot = externsRoot.getNext();
if (runProcessor) {
getProcessor(compiler).process(externsRoot, mainRoot);
}
return compiler.toSource(mainRoot);
}
/**
* Verifies that the compiler pass's JS output matches the expected output and (optionally) that
* an expected warning is issued. Or, if an error is expected, this method just verifies that the
* error is encountered.
*
* @param externs Externs inputs
* @param js Inputs
* @param expected Expected output, or null if an error is expected
* @param error Expected error, or null if no error is expected
* @param warning Expected warning, or null if no warning is expected
* @param description The description of the expected warning, or null if no warning is expected
* or if the warning's description should not be examined
*/
private void test(
List<SourceFile> externs,
List<SourceFile> js,
String expected,
DiagnosticType error,
DiagnosticType warning,
String description) {
Compiler compiler = createCompiler();
lastCompiler = compiler;
CompilerOptions options = getOptions();
options.setLanguageIn(acceptedLanguage);
// Note that in this context, turning on the checkTypes option won't
// actually cause the type check to run.
options.checkTypes = parseTypeInfo;
compiler.init(externs, js, options);
BaseJSTypeTestCase.addNativeProperties(compiler.getTypeRegistry());
test(compiler, maybeCreateArray(expected), error, warning, description);
}
private void test(JSModule[] modules, FunctionInformationMap expected) {
Compiler compiler = new Compiler();
compiler.init(
new JSSourceFile[] {JSSourceFile.fromCode("externs", "")}, modules, new CompilerOptions());
test(compiler, expected);
}
