/**
* Return the file containing the VM executable, or {@code null} if it does not exist.
*
* @return the file containing the VM executable
*/
public File getVmExecutable() {
synchronized (this) {
if (vmExecutable == null) {
vmExecutable =
FileUtilities.verifyExecutable(
new File(new File(sdkDirectory, BIN_DIRECTORY_NAME), getVmBinaryName()));
}
}
return vmExecutable;
}
/**
* Ensure that the dart VM is executable. If it is not, make it executable and log that it was
* necessary for us to do so.
*/
@DartBlockBody({})
private void ensureVmIsExecutable() {
File dartVm = getVmExecutable();
if (dartVm != null) {
if (!dartVm.canExecute()) {
FileUtilities.makeExecutable(dartVm);
AnalysisEngine.getInstance().getLogger().logError(dartVm.getPath() + " was not executable");
}
}
}
/**
* Return the file containing the Dartium executable, or {@code null} if it does not exist.
*
* @return the file containing the Dartium executable
*/
public File getDartiumExecutable() {
synchronized (this) {
if (dartiumExecutable == null) {
dartiumExecutable =
FileUtilities.verifyExecutable(
new File(getDartiumWorkingDirectory(), getDartiumBinaryName()));
}
}
return dartiumExecutable;
}
/**
* Return the file containing the Pub executable, or {@code null} if it does not exist.
*
* @return the file containing the Pub executable
*/
public File getPubExecutable() {
synchronized (this) {
if (pubExecutable == null) {
pubExecutable =
FileUtilities.verifyExecutable(
new File(
new File(sdkDirectory, BIN_DIRECTORY_NAME),
OSUtilities.isWindows() ? PUB_EXECUTABLE_NAME_WIN : PUB_EXECUTABLE_NAME));
}
}
return pubExecutable;
}
/**
* Return the file containing the dart formatter executable, or {@code null} if it does not exist.
*
* @return the file containing the dart formatter executable
*/
public File getDartFmtExecutable() {
synchronized (this) {
if (dartFmtExecutable == null) {
dartFmtExecutable =
FileUtilities.verifyExecutable(
new File(
new File(sdkDirectory, BIN_DIRECTORY_NAME),
OSUtilities.isWindows()
? DARTFMT_EXECUTABLE_NAME_WIN
: DARTFMT_EXECUTABLE_NAME));
}
}
return dartFmtExecutable;
}
/**
* Return the revision number of this SDK, or {@code "0"} if the revision number cannot be
* discovered.
*
* @return the revision number of this SDK
*/
@Override
public String getSdkVersion() {
synchronized (this) {
if (sdkVersion == null) {
sdkVersion = DEFAULT_VERSION;
File revisionFile = new File(sdkDirectory, VERSION_FILE_NAME);
try {
String revision = FileUtilities.getContents(revisionFile);
if (revision != null) {
sdkVersion = revision.trim();
}
} catch (IOException exception) {
// Fall through to return the default.
}
}
}
return sdkVersion;
}
/**
* Read all of the configuration files to initialize the library maps.
*
* @param useDart2jsPaths {@code true} if the dart2js path should be used when it is available
* @return the initialized library map
*/
protected LibraryMap initialLibraryMap(boolean useDart2jsPaths) {
File librariesFile =
new File(
new File(
new File(new File(getLibraryDirectory(), INTERNAL_DIR), SDK_LIB_METADATA_DIR),
SDK_LIB_METADATA_LIB_DIR),
LIBRARIES_FILE);
if (!librariesFile.exists()) {
// Fall back to pre SDK reorg location.
librariesFile = getLegacyLibrariesFile();
}
try {
String contents = FileUtilities.getContents(librariesFile);
return new SdkLibrariesReader(useDart2jsPaths).readFromFile(librariesFile, contents);
} catch (Exception exception) {
AnalysisEngine.getInstance()
.getLogger()
.logError(
"Could not initialize the library map from " + librariesFile.getAbsolutePath(),
exception);
return new LibraryMap();
}
}