public Library GetCoreLibrary(Parser parser)
{
if (this.coreLibrary == null)
{
this.coreLibrary = this.GetLibraryFromKey("en:Core"); // canonical key will work even if english locale not used.
if (this.coreLibrary == null)
{
LibraryMetadata coreLibMetadata = this.GetLibraryMetadataFromAnyPossibleKey("en:Core");
TODO.GetCoreNameFromMetadataWithLocale();
string coreNameInLocale = coreLibMetadata.Name;
this.coreLibrary = this.ImportLibrary(parser, null, coreNameInLocale);
}
}
return(this.coreLibrary);
}
private LibraryMetadata[] GetAvailableLibraryPathsByLibraryName(
string nullableBuildFileCrayonPath,
string nullableProjectDirectory)
{
string crayonHome = System.Environment.GetEnvironmentVariable("CRAYON_HOME");
#if RELEASE
if (crayonHome == null)
{
throw new System.InvalidOperationException("Please set the CRAYON_HOME environment variable to the location of the directory containing both 'crayon.exe' and the 'lib' directory.");
}
#endif
string placesWhereLibraryDirectoriesCanExist = "";
if (crayonHome != null)
{
placesWhereLibraryDirectoriesCanExist += ";" + System.IO.Path.Combine(crayonHome, "libs");
}
if (nullableBuildFileCrayonPath != null)
{
placesWhereLibraryDirectoriesCanExist += ";" + nullableBuildFileCrayonPath;
}
placesWhereLibraryDirectoriesCanExist += ";" + (System.Environment.GetEnvironmentVariable("CRAYON_PATH") ?? "");
#if OSX
placesWhereLibraryDirectoriesCanExist = placesWhereLibraryDirectoriesCanExist.Replace(':', ';');
#endif
string[] paths = placesWhereLibraryDirectoriesCanExist.Split(new char[] { ';' }, System.StringSplitOptions.RemoveEmptyEntries);
List <string> unverifiedLibraryDirectories = new List <string>();
foreach (string path in paths)
{
string absolutePath = FileUtil.IsAbsolutePath(path)
? path
: System.IO.Path.Combine(nullableProjectDirectory, path);
absolutePath = System.IO.Path.GetFullPath(absolutePath);
if (System.IO.Directory.Exists(absolutePath))
{
unverifiedLibraryDirectories.AddRange(System.IO.Directory.GetDirectories(absolutePath));
}
}
#if DEBUG
// Presumably running from source. Walk up to the root directory and find the Libraries directory.
// From there use the list of folders.
string currentDirectory = System.IO.Path.GetFullPath(".");
while (!string.IsNullOrEmpty(currentDirectory))
{
string path = System.IO.Path.Combine(currentDirectory, "Libraries");
if (System.IO.Directory.Exists(path) &&
System.IO.File.Exists(System.IO.Path.Combine(currentDirectory, "Compiler", "CrayonWindows.sln"))) // quick sanity check
{
unverifiedLibraryDirectories.AddRange(System.IO.Directory.GetDirectories(path));
break;
}
currentDirectory = System.IO.Path.GetDirectoryName(currentDirectory);
}
#endif
List <string> verifiedLibraryPaths = new List <string>();
foreach (string dir in unverifiedLibraryDirectories)
{
string manifestPath = System.IO.Path.Combine(dir, "manifest.txt");
if (System.IO.File.Exists(manifestPath))
{
verifiedLibraryPaths.Add(dir);
}
}
// Library name collisions will override any previous definition.
// For example, a custom library referenced by a build file will override a built-in library.
// An example use case of this would be to define a custom library called "Gamepad" for mobile that puts
// buttons in the corners of the screen, but without having to change any code to be platform-aware.
Dictionary <string, LibraryMetadata> uniqueLibraries = new Dictionary <string, LibraryMetadata>();
foreach (string path in verifiedLibraryPaths)
{
string defaultName = System.IO.Path.GetFileName(path);
LibraryMetadata metadata = new LibraryMetadata(path, defaultName);
// TODO: don't hardcode EN
string uniqueKey = "en:" + metadata.Name;
uniqueLibraries[uniqueKey] = metadata;
}
return(uniqueLibraries.Values
.OrderBy(metadata => metadata.Name.ToLower())
.ToArray());
}
public Library ImportLibrary(Parser parser, Token throwToken, string name)
{
name = name.Split('.')[0];
string key = parser.CurrentLocale.ID + ":" + name;
LibraryMetadata libraryMetadata = this.GetLibraryMetadataFromAnyPossibleKey(key);
if (libraryMetadata == null)
{
// check for default locale
libraryMetadata = this.GetLibraryMetadataFromAnyPossibleKey(name);
if (libraryMetadata == null)
{
// No library found. Could just be a local namespace import.
// If this is a bogus import, it'll throw in the Resolver.
return(null);
}
if (libraryMetadata.SupportedLocales.Contains(parser.CurrentLocale))
{
// If you import something by its default name from a supported locale, then it doesn't count.
// Don't throw an error. A user should be able to define a namespace that happens to have the
// same name as a library in some locale they aren't using.
return(null);
}
}
Library library = librariesAlreadyImportedIndexByKey.ContainsKey(libraryMetadata.CanonicalKey)
? librariesAlreadyImported[librariesAlreadyImportedIndexByKey[libraryMetadata.CanonicalKey]]
: null;
if (library == null)
{
string platformName = parser.BuildContext.Platform;
Platform.AbstractPlatform platform = platformName == null || this.PlatformProvider == null ? null : this.PlatformProvider.GetPlatform(platformName);
library = new Library(libraryMetadata, platform);
CompilationScope scope = new CompilationScope(parser.BuildContext, library);
library.Scope = scope;
library.AddLocaleAccess(parser.CurrentLocale);
this.librariesAlreadyImportedIndexByKey[libraryMetadata.CanonicalKey] = this.librariesAlreadyImported.Count;
this.librariesAlreadyImported.Add(library);
this.importedLibraries[name] = library;
this.librariesByKey[name.ToLowerInvariant()] = library;
parser.PushScope(scope);
Dictionary <string, string> embeddedCode = library.GetEmbeddedCode();
foreach (string embeddedFile in embeddedCode.Keys)
{
string fakeName = "[" + embeddedFile + "]";
string code = embeddedCode[embeddedFile];
parser.ParseInterpretedCode(fakeName, code);
}
parser.PopScope();
}
// Even if already imported, still must check to see if this import is allowed here.
if (!library.IsAllowedImport(parser.CurrentLibrary))
{
throw new ParserException(throwToken, "This library cannot be imported from here.");
}
return(library);
}
public Library(LibraryMetadata metadata, Platform.AbstractPlatform nullablePlatform)
{
TODO.LibrariesNeedVersionNumber();
this.CanonicalKey = metadata.InternalLocale.ID + ":" + metadata.Name;
this.Metadata = metadata;
this.platformName = nullablePlatform == null ? null : nullablePlatform.Name;
this.Resources = new LibraryResourceDatabase(this, nullablePlatform);
this.Name = metadata.Name;
this.RootDirectory = metadata.Directory;
string[] manifest = metadata.Manifest.Split('\n');
Dictionary <string, string> values = new Dictionary <string, string>();
Dictionary <string, bool> flagValues = new Dictionary <string, bool>();
string platformPrefix = "[" + this.platformName + "]";
foreach (string line in manifest)
{
string trimmedLine = line.Trim();
if (trimmedLine.Length > 0 && line[0] != '#')
{
string[] parts = trimmedLine.Split(':');
if (parts.Length >= 2)
{
string key = parts[0].Trim();
string value = parts[1];
for (int i = 2; i < parts.Length; ++i)
{
value += ":" + parts[i];
}
if (key.StartsWith("["))
{
if (key.StartsWith(platformPrefix))
{
key = key.Substring(platformPrefix.Length).Trim();
}
else
{
continue;
}
}
if (key == "BOOL_FLAG")
{
// TODO: parse bool flag value
parts = value.Split(':');
if (parts.Length == 2)
{
key = parts[0].Trim();
bool boolValue = parts[1].Trim().ToLowerInvariant() == "true";
flagValues[key] = boolValue;
}
else
{
throw new ParserException(null, "Library '" + metadata.Name + "' has a syntax error in a boolean flag.");
}
}
else
{
values[key] = value;
}
}
else if (parts.Length == 1 && parts[0].Length != 0)
{
throw new ParserException(null, "Library '" + metadata.Name + "' has a syntax error in its manifest.");
}
}
}
this.CompileTimeConstants = new Dictionary <string, object>();
foreach (string key in flagValues.Keys)
{
this.CompileTimeConstants[key] = flagValues[key];
}
foreach (string key in values.Keys)
{
this.CompileTimeConstants[key] = values[key];
}
this.filepathsByFunctionName = new Dictionary <string, string>();
// Build a lookup dictionary of all file names that are simple function names e.g. "foo.cry"
// Then go through and look up all the file names that contain . prefixes with the platform name and
// overwrite the lookup value for that entry with the more specific path.
// myFunction.cry
// android.myFunction.cry
// on Python, myFunction will be included for lib_foo_myFunction(), but on Android, android.myFunction.cry will be included instead.
string[] files = new string[0];
if (FileUtil.DirectoryExists(this.RootDirectory + "/translate"))
{
files = System.IO.Directory.GetFiles(System.IO.Path.Combine(this.RootDirectory, "translate"));
}
Dictionary <string, string> moreSpecificFiles = new Dictionary <string, string>();
foreach (string fileWithDirectory in files)
{
string file = System.IO.Path.GetFileName(fileWithDirectory);
if (file.EndsWith(".pst"))
{
string functionName = file.Substring(0, file.Length - ".pst".Length);
if (functionName.Contains('.'))
{
// Add this file to the more specific lookup, but only if it contains the current platform.
if (functionName.StartsWith(platformName + ".") ||
functionName.Contains("." + platformName + "."))
{
string[] parts = functionName.Split('.');
moreSpecificFiles[parts[parts.Length - 1]] = file;
}
else
{
// just let it get filtered away.
}
}
else
{
this.filepathsByFunctionName[functionName] = file;
}
}
}
foreach (string functionName in moreSpecificFiles.Keys)
{
this.filepathsByFunctionName[functionName] = moreSpecificFiles[functionName];
}
if (values.ContainsKey("ONLY_ALLOW_IMPORT_FROM"))
{
this.onlyImportableFrom = new HashSet <string>();
foreach (string onlyImportFrom in values["ONLY_ALLOW_IMPORT_FROM"].Split(','))
{
string libraryName = onlyImportFrom.Trim();
this.onlyImportableFrom.Add(this.Metadata.InternalLocale.ID + ":" + libraryName);
}
}
}