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2433 lines (2137 loc) · 90.3 KB
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/*
Copyright 2017 YANG Huan (sy.yanghuan@gmail.com).
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Collections.Immutable;
using System.Diagnostics.Contracts;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Emit;
using CSharpLua.LuaAst;
using System.Text.RegularExpressions;
namespace CSharpLua {
internal sealed class PartialTypeDeclaration : IComparable<PartialTypeDeclaration> {
public INamedTypeSymbol Symbol;
public TypeDeclarationSyntax Node;
public LuaTypeDeclarationSyntax TypeDeclaration;
public LuaCompilationUnitSyntax CompilationUnit;
public int CompareTo(PartialTypeDeclaration other) {
string filePath = CompilationUnit.FilePath;
string otherFilePath = other.CompilationUnit.FilePath;
int c = filePath.CompareTo(otherFilePath);
if (c != 0) {
return c;
}
return other.Node.Members.Count.CompareTo(Node.Members.Count);
}
}
public sealed class LuaSyntaxGenerator {
public sealed class SettingInfo {
public bool HasSemicolon { get; set; }
private int indent_;
public string IndentString { get; private set; }
public bool IsClassic { get; set; }
public bool IsExportMetadata { get; set; }
[Obsolete]
public string BaseFolder {
get => BaseFolders.SingleOrDefault() ?? string.Empty;
set { BaseFolders.Clear(); AddBaseFolder(value, false); } }
internal HashSet<string> BaseFolders { get; private set; }
public bool IsExportAttributesAll { get; private set; }
public bool IsExportEnumAll { get; private set; }
public bool IsModule { get; set; }
public HashSet<string> ExportAttributes { get; private set; }
public HashSet<string> ExportEnums { get; private set; }
public HashSet<string> LuaModuleLibs;
public bool IsInlineSimpleProperty { get; set; }
public bool IsPreventDebugObject { get; set; }
public bool IsCommentsDisabled { get; set; }
public bool IsNotConstantForEnum { get; set; }
public bool IsNoConcurrent { get; set; }
public SettingInfo() {
Indent = 2;
BaseFolders = new HashSet<string>();
}
public string[] Attributes {
set {
if (value != null) {
if (value.Length == 0) {
IsExportAttributesAll = true;
} else {
ExportAttributes = new HashSet<string>(value);
}
}
}
}
public string[] Enums {
set {
if (value != null) {
if (value.Length == 0) {
IsExportEnumAll = true;
} else {
ExportEnums = new HashSet<string>(value);
}
}
}
}
public int Indent {
get {
return indent_;
}
set {
if (indent_ != value) {
indent_ = value;
IndentString = value > 0 ? new string(' ', indent_) : string.Empty;
}
}
}
public void AddBaseFolder(string path, bool overwriteSubFolders) {
var remove = new List<string>();
path = new FileInfo(path).FullName.TrimEnd(Path.DirectorySeparatorChar);
static bool ConflictsWith(string folder, string other) {
return folder == other || folder.StartsWith(other + Path.DirectorySeparatorChar);
}
foreach (var other in BaseFolders) {
if (ConflictsWith(path, other)) {
if (overwriteSubFolders) {
return;
} else {
throw new Exception($"Could not add folder \"{path}\", because it is the same as, or a subdirectory of, an already added folder.");
}
}
if (ConflictsWith(other, path)) {
if (overwriteSubFolders) {
remove.Add(other);
} else {
throw new Exception($"Could not add folder \"{path}\", because one of its subdirectories has already been added.");
}
}
}
foreach (var other in remove) {
BaseFolders.Remove(other);
}
BaseFolders.Add(path);
}
public string GetBaseFolder(ref string path) {
if (BaseFolders.Count == 0) {
return null;
}
path = new FileInfo(path).FullName;
foreach (var baseFolder in BaseFolders) {
if (path.StartsWith(baseFolder + Path.DirectorySeparatorChar)) {
return baseFolder;
}
}
throw new DirectoryNotFoundException($"Could not find base folder for path: \"{path}\".");
}
}
public const string kManifestFuncName = "InitCSharp";
private const string kLuaSuffix = ".lua";
private static readonly Encoding Encoding = new UTF8Encoding(false);
private readonly CSharpCompilation compilation_;
public XmlMetaProvider XmlMetaProvider { get; }
public CSharpCommandLineArguments CommandLineArguments { get; }
public SettingInfo Setting { get; set; }
private bool IsConcurrent => !Setting.IsNoConcurrent;
private readonly ConcurrentHashSet<string> exportEnums_ = new();
private readonly ConcurrentHashSet<ITypeSymbol> ignoreExportTypes_ = new(SymbolEqualityComparer.Default);
private readonly ConcurrentHashSet<ISymbol> forcePublicSymbols_ = new(SymbolEqualityComparer.Default);
private readonly ConcurrentList<LuaEnumDeclarationSyntax> enumDeclarations_ = new();
private readonly ConcurrentDictionary<INamedTypeSymbol, ConcurrentList<PartialTypeDeclaration>> partialTypes_ = new(SymbolEqualityComparer.Default);
private readonly ImmutableList<string> fileBanner_;
private readonly ImmutableHashSet<string> monoBehaviourSpecialMethodNames_;
private ImmutableList<LuaExpressionSyntax> assemblyAttributes_ = ImmutableList<LuaExpressionSyntax>.Empty;
private readonly ConcurrentDictionary<INamedTypeSymbol, ConcurrentHashSet<INamedTypeSymbol>> genericImportDepends_ = new(SymbolEqualityComparer.Default);
private IMethodSymbol mainEntryPoint_;
public INamedTypeSymbol SystemExceptionTypeSymbol { get; }
private readonly INamedTypeSymbol monoBehaviourTypeSymbol_;
static LuaSyntaxGenerator() {
Contract.ContractFailed += (_, e) => {
e.SetHandled();
throw new ApplicationException(e.Message, e.OriginalException);
};
}
private CSharpCompilationOptions WithOptions(CSharpCompilationOptions compilationOptions) {
return compilationOptions
.WithConcurrentBuild(IsConcurrent)
.WithOutputKind(OutputKind.DynamicallyLinkedLibrary)
.WithMetadataImportOptions(MetadataImportOptions.All);
}
private static SyntaxTree ParseText((string Text, string Path) code, CSharpParseOptions parseOptions) {
return CSharpSyntaxTree.ParseText(code.Text, parseOptions, code.Path);
}
private static Task<SyntaxTree> BuildSyntaxTreeAsync((string Text, string Path) code, CSharpParseOptions parseOptions) {
return Task.Factory.StartNew(_ => ParseText(code, parseOptions), null);
}
private IEnumerable<SyntaxTree> BuildSyntaxTrees(IEnumerable<(string Text, string Path)> codes, CSharpParseOptions parseOptions) {
if (IsConcurrent) {
var tasks = codes.Select(i => BuildSyntaxTreeAsync(i, parseOptions));
return Task.WhenAll(tasks).Result;
}
return codes.Select(i => ParseText(i, parseOptions));
}
private (CSharpCompilation, CSharpCommandLineArguments) BuildCompilation(IEnumerable<(string Text, string Path)> codes, IEnumerable<Stream> libs, IEnumerable<string> cscArguments) {
var commandLineArguments = CSharpCommandLineParser.Default.Parse((cscArguments ?? Array.Empty<string>()).Concat(new[] { "-define:__CSharpLua__" }), null, null);
var parseOptions = commandLineArguments.ParseOptions.WithLanguageVersion(LanguageVersion.Preview).WithDocumentationMode(DocumentationMode.Parse);
var syntaxTrees = BuildSyntaxTrees(codes, parseOptions);
var references = libs.Select(LoadLib).ToList();
var compilation = CSharpCompilation.Create("_", syntaxTrees, references, WithOptions(commandLineArguments.CompilationOptions));
using (MemoryStream ms = new MemoryStream()) {
EmitResult result = compilation.Emit(ms);
if (!result.Success) {
throw new CompilationErrorException(result);
}
}
return (compilation, commandLineArguments);
}
private static PortableExecutableReference LoadLib(Stream stream) {
DocumentationProvider documentation = null;
string filePath = null;
if (stream is FileStream f) {
filePath = f.Name;
string xmlDocCommentFilePath = filePath.TrimEnd("dll") + "xml";
if (File.Exists(xmlDocCommentFilePath)) {
documentation = new XmlDocumentationProvider(xmlDocCommentFilePath);
}
}
return MetadataReference.CreateFromStream(stream, default, documentation, filePath);
}
private static IEnumerable<Stream> ToFileStreams(IEnumerable<string> paths) {
return paths.Select(i => new FileStream(i, FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
}
public LuaSyntaxGenerator(IEnumerable<(string Text, string Path)> codes, IEnumerable<string> libs, IEnumerable<string> cscArguments, IEnumerable<string> metas, SettingInfo setting, IEnumerable<string> fileBannerLines = null)
: this(codes, ToFileStreams(libs), cscArguments, ToFileStreams(metas), setting, fileBannerLines) {
}
public LuaSyntaxGenerator(IEnumerable<(string Text, string Path)> codes, IEnumerable<Stream> libs, IEnumerable<string> cscArguments, IEnumerable<Stream> metas, SettingInfo setting, IEnumerable<string> fileBannerLines = null) {
Setting = setting;
(compilation_, CommandLineArguments) = BuildCompilation(codes, libs, cscArguments);
XmlMetaProvider = new XmlMetaProvider(this, metas);
if (Setting.ExportEnums != null) {
exportEnums_.UnionWith(Setting.ExportEnums);
}
if (fileBannerLines != null) {
fileBanner_ = fileBannerLines.ToImmutableList();
}
SystemExceptionTypeSymbol = compilation_.GetTypeByMetadataName("System.Exception");
if (compilation_.ReferencedAssemblyNames.Any(i => i.Name.Contains("UnityEngine"))) {
monoBehaviourTypeSymbol_ = compilation_.GetTypeByMetadataName("UnityEngine.MonoBehaviour");
if (monoBehaviourTypeSymbol_ != null) {
monoBehaviourSpecialMethodNames_ = new[] { "Awake", "Start", "Update", "FixedUpdate", "LateUpdate" }.ToImmutableHashSet();
}
}
DoPretreatment();
}
private LuaCompilationUnitSyntax CreateCompilationUnit(SyntaxTree syntaxTree, bool isSingleFile) {
var semanticModel = GetSemanticModel(syntaxTree);
var compilationUnitSyntax = (CompilationUnitSyntax)syntaxTree.GetRoot();
var transform = new LuaSyntaxNodeTransform(this, semanticModel);
return transform.VisitCompilationUnit(compilationUnitSyntax, isSingleFile);
}
private Task<LuaCompilationUnitSyntax> CreateCompilationUnitAsync(SyntaxTree syntaxTree, bool isSingleFile) {
return Task.Factory.StartNew(o => CreateCompilationUnit(syntaxTree, isSingleFile), null);
}
private IEnumerable<LuaCompilationUnitSyntax> Create(bool isSingleFile = false) {
List<LuaCompilationUnitSyntax> luaCompilationUnits;
if (IsConcurrent) {
try {
var tasks = compilation_.SyntaxTrees.Select(i => CreateCompilationUnitAsync(i, isSingleFile));
luaCompilationUnits = Task.WhenAll(tasks).Result.ToList();
} catch (AggregateException e) {
if (e.InnerExceptions.Count > 0) {
throw e.InnerExceptions.First();
}
throw;
}
} else {
luaCompilationUnits = compilation_.SyntaxTrees.Select(i => CreateCompilationUnit(i, isSingleFile)).ToList();
}
CheckPartialTypes();
CheckExportEnums();
CheckRefactorNames();
return luaCompilationUnits.Where(i => !i.IsEmpty);
}
private void Write(LuaCompilationUnitSyntax luaCompilationUnit, TextWriter writer) {
LuaRenderer renderer = new LuaRenderer(this, writer);
luaCompilationUnit.Render(renderer);
}
private void Write(LuaCompilationUnitSyntax luaCompilationUnit, string outFile) {
using var writer = new StreamWriter(outFile, false, Encoding);
Write(luaCompilationUnit, writer);
}
public void Generate(string outFolder) {
List<string> modules = new List<string>();
HashSet<string> uniqueModules = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
foreach (var luaCompilationUnit in Create()) {
string outFile = GetOutFileAbsolutePath(luaCompilationUnit.FilePath, outFolder, out string module);
string originalModule = module;
string outFileExtension = Path.GetExtension(outFile);
string outFileBase = outFile.Substring(0, outFile.Length - outFileExtension.Length);
int suffix = 1;
while (true) {
if (uniqueModules.Add(module)) {
break;
}
suffix++;
module = originalModule + "_" + suffix;
outFile = outFileBase + "_" + suffix + outFileExtension;
}
Write(luaCompilationUnit, outFile);
modules.Add(module);
}
ExportManifestFile(modules, outFolder);
}
public void GenerateSingleFile(Stream target, IEnumerable<string> luaSystemLibs, bool manifestAsFunction = true) {
using var streamWriter = new StreamWriter(target, Encoding, 1024, true);
GenerateSingleFile(streamWriter, luaSystemLibs, manifestAsFunction);
}
public void GenerateSingleFile(string outFile, string outFolder, IEnumerable<string> luaSystemLibs, bool manifestAsFunction = true) {
outFile = GetOutFileRelativePath(outFile, outFolder, out _);
using var streamWriter = new StreamWriter(outFile, false, Encoding);
GenerateSingleFile(streamWriter, luaSystemLibs, manifestAsFunction);
}
private void GenerateSingleFile(StreamWriter streamWriter, IEnumerable<string> luaSystemLibs, bool manifestAsFunction) {
if (!Setting.IsCommentsDisabled) {
WriteFileBanner(streamWriter);
}
streamWriter.WriteLine("CSharpLuaSingleFile = true");
bool isFirst = true;
foreach (var luaSystemLib in luaSystemLibs) {
WriteLuaSystemLib(luaSystemLib, streamWriter, isFirst);
isFirst = false;
}
streamWriter.WriteLine();
if (!Setting.IsCommentsDisabled) {
streamWriter.WriteLine(LuaSyntaxNode.Tokens.ShortComment + LuaCompilationUnitSyntax.GeneratedMarkString);
}
var compilationUnits = Create(true).OrderBy(i => Path.GetFileName(i.FilePath));
foreach (var luaCompilationUnit in compilationUnits) {
WriteCompilationUnit(luaCompilationUnit, streamWriter);
}
if (mainEntryPoint_ is null) {
throw new CompilationErrorException("Program has no main entry point.");
}
WriteSingleFileManifest(streamWriter, manifestAsFunction);
}
private void WriteFileBanner(TextWriter writer) {
if (fileBanner_ != null && fileBanner_.Count > 0) {
foreach (var line in fileBanner_) {
writer.WriteLine($"{LuaSyntaxNode.Tokens.ShortComment} {line}");
}
writer.WriteLine();
}
}
private void WriteLuaSystemLib(string filePath, TextWriter writer, bool isFirst) {
writer.WriteLine();
if (!Setting.IsCommentsDisabled) {
writer.WriteLine($"-- CoreSystemLib: {GetSystemLibName(filePath)}");
}
writer.WriteLine(LuaSyntaxNode.Keyword.Do);
string code = File.ReadAllText(filePath);
if (!isFirst) {
RemoveLicenseComments(ref code);
}
writer.WriteLine(code);
writer.WriteLine(LuaSyntaxNode.Keyword.End);
}
private static string GetSystemLibName(string path) {
const string kBegin = "CoreSystem";
int index = path.LastIndexOf(kBegin, StringComparison.InvariantCulture);
return path[(index + kBegin.Length + 1)..];
}
private static void RemoveLicenseComments(ref string code) {
const string kBegin = "--[[";
const string kEnd = "--]]";
int i = code.IndexOf(kBegin, StringComparison.InvariantCulture);
if (i != -1) {
bool isSpace = code.Take(i).All(char.IsWhiteSpace);
if (isSpace) {
int j = code.IndexOf(kEnd, i + kBegin.Length, StringComparison.InvariantCulture);
Contract.Assert(j != -1);
code = code[(j + kEnd.Length)..].Trim();
}
}
}
private void WriteCompilationUnit(LuaCompilationUnitSyntax luaCompilationUnit, TextWriter writer) {
writer.WriteLine(LuaSyntaxNode.Keyword.Do);
Write(luaCompilationUnit, writer);
writer.WriteLine();
writer.WriteLine(LuaSyntaxNode.Keyword.End);
}
private void WriteSingleFileManifest(TextWriter writer, bool manifestAsFunction) {
var types = GetExportTypes();
if (types.Count > 0) {
LuaTableExpression typeTable = new LuaTableExpression();
typeTable.Add("types", new LuaTableExpression(types.Select(i => new LuaStringLiteralExpressionSyntax(GetTypeShortName(i)))));
var manifestStatements = new List<LuaStatementSyntax>();
manifestStatements.Add(LuaIdentifierNameSyntax.SystemInit.Invocation(typeTable));
if (mainEntryPoint_ != null) {
manifestStatements.Add(LuaBlankLinesStatement.One);
var methodName = mainEntryPoint_.Name;
var methodTypeName = GetTypeName(mainEntryPoint_.ContainingType);
var entryPointInvocation = new LuaInvocationExpressionSyntax(methodTypeName.MemberAccess(methodName));
manifestStatements.Add(entryPointInvocation);
}
LuaCompilationUnitSyntax luaCompilationUnit = new LuaCompilationUnitSyntax(hasGeneratedMark: false);
if (manifestAsFunction) {
var functionExpression = new LuaFunctionExpressionSyntax();
var initCSharpFunctionDeclarationStatement = new LuaLocalVariablesSyntax() { Initializer = new LuaEqualsValueClauseListSyntax(functionExpression.ArrayOf()) };
initCSharpFunctionDeclarationStatement.Variables.Add(new LuaSymbolNameSyntax(new LuaIdentifierLiteralExpressionSyntax(kManifestFuncName)));
functionExpression.AddStatements(manifestStatements);
luaCompilationUnit.AddStatement(new LuaLocalDeclarationStatementSyntax(initCSharpFunctionDeclarationStatement));
} else {
foreach (var statement in manifestStatements) {
luaCompilationUnit.AddStatement(statement);
}
}
Write(luaCompilationUnit, writer);
writer.WriteLine();
}
}
public string GenerateSingle() {
foreach (var luaCompilationUnit in Create()) {
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb)) {
Write(luaCompilationUnit, writer);
}
return sb.ToString();
}
throw new InvalidProgramException();
}
internal string RemoveBaseFolder(string path) {
var baseFolder = Setting.GetBaseFolder(ref path);
if (!string.IsNullOrEmpty(baseFolder)) {
return path.Remove(0, baseFolder.Length).TrimStart(Path.DirectorySeparatorChar, '/');
}
return Path.GetFileName(path);
}
private string GetOutFileAbsolutePath(string inFilePath, string output, out string module) {
return GetOutFileRelativePath(RemoveBaseFolder(inFilePath), output, out module);
}
private static string GetOutFileRelativePath(string path, string output, out string module) {
string extend = Path.GetExtension(path);
path = path.Remove(path.Length - extend.Length, extend.Length);
path = path.Replace('.', '_');
string outPath = Path.Combine(output, path + kLuaSuffix);
string dir = Path.GetDirectoryName(outPath);
if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir)) {
Directory.CreateDirectory(dir);
}
module = path.Replace(Path.DirectorySeparatorChar, '.');
return outPath;
}
internal bool IsCheckedOverflow {
get {
return compilation_.Options.CheckOverflow;
}
}
internal bool IsEnumExport(string enumTypeSymbol) {
return Setting.IsExportEnumAll || exportEnums_.Contains(enumTypeSymbol);
}
internal void AddExportEnum(ITypeSymbol enumType) {
Contract.Assert(enumType.TypeKind == TypeKind.Enum);
if (IsFromCode(enumType)) {
exportEnums_.Add(enumType.ToString());
}
}
internal bool IsConstantEnum(ITypeSymbol enumType) {
if (enumType.TypeKind == TypeKind.Enum) {
bool isNot = Setting.IsNotConstantForEnum && IsTypeEnableExport(enumType);
return !isNot;
}
return false;
}
internal void AddEnumDeclaration(INamedTypeSymbol type, LuaEnumDeclarationSyntax enumDeclaration) {
if (type.IsProtobufNetDeclaration()) {
AddExportEnum(type); // protobuf-net enum is always export
}
enumDeclarations_.Add(enumDeclaration);
}
internal void AddIgnoreExportType(INamedTypeSymbol type) {
ignoreExportTypes_.Add(type);
}
internal void AddForcePublicSymbol(ISymbol symbol) {
forcePublicSymbols_.Add(symbol.OriginalDefinition);
}
internal bool IsForcePublicSymbol(ISymbol symbol) {
return forcePublicSymbols_.Contains(symbol.OriginalDefinition);
}
internal bool IsPrivate(ISymbol symbol) {
return symbol.IsPrivate() && !IsForcePublicSymbol(symbol);
}
private static readonly HashSet<string> ignoreSystemAttributes_ = new() {
"System.AttributeUsageAttribute",
"System.ComponentModel.BrowsableAttribute",
"System.Diagnostics.ConditionalAttribute",
"System.Runtime.Serialization.CollectionDataContractAttribute"
};
internal bool IsExportAttribute(INamedTypeSymbol symbol) {
string name = symbol.ToString();
bool isExport = false;
if (Setting.IsExportAttributesAll) {
isExport = true;
} else if (Setting.ExportAttributes != null && Setting.ExportAttributes.Contains(name)) {
isExport = true;
}
if (isExport) {
if (ignoreSystemAttributes_.Contains(name)) {
isExport = false;
}
} else if (symbol.IsAssemblyAttribute()) {
isExport = true;
}
return isExport;
}
internal bool IsFromLuaModule(ISymbol symbol) {
return IsFromCode(symbol) || IsFromModuleOnly(symbol);
}
private bool IsFromModuleOnly(ISymbol symbol) {
var luaModuleLibs = Setting.LuaModuleLibs;
return luaModuleLibs != null && luaModuleLibs.Contains(symbol.ContainingAssembly.Name);
}
internal bool IsConditionalAttributeIgnore(ISymbol symbol) {
foreach (var attribute in symbol.GetAttributes()) {
var attributeSymbol = attribute.AttributeClass;
if (attributeSymbol.IsConditionalAttribute()) {
string conditionString = (string)attribute.ConstructorArguments.First().Value;
return !CommandLineArguments.ParseOptions.PreprocessorSymbolNames.Contains(conditionString);
}
}
return false;
}
private void CheckExportEnums() {
foreach (var enumDeclaration in enumDeclarations_) {
if (IsEnumExport(enumDeclaration.FullName)) {
enumDeclaration.IsExport = true;
enumDeclaration.CompilationUnit.AddTypeDeclarationCount();
}
}
}
internal void AddPartialTypeDeclaration(INamedTypeSymbol typeSymbol, TypeDeclarationSyntax node, LuaTypeDeclarationSyntax luaNode, LuaCompilationUnitSyntax compilationUnit) {
var list = partialTypes_.GetOrAdd(typeSymbol, _ => new ConcurrentList<PartialTypeDeclaration>());
list.Add(new PartialTypeDeclaration {
Symbol = typeSymbol,
Node = node,
TypeDeclaration = luaNode,
CompilationUnit = compilationUnit,
});
}
private void CheckPartialTypes() {
while (partialTypes_.Count > 0) {
var types = partialTypes_.Values.ToArray();
partialTypes_.Clear();
foreach (var typeDeclarations in types) {
var sortedTypeDeclarations = typeDeclarations.OrderBy(x => x).ToList();
var major = sortedTypeDeclarations[0];
var transform = new LuaSyntaxNodeTransform(this, null);
transform.AcceptPartialType(major, sortedTypeDeclarations);
}
}
}
internal SemanticModel GetSemanticModel(SyntaxTree syntaxTree) {
return compilation_.GetSemanticModel(syntaxTree);
}
internal bool IsBaseType(BaseTypeSyntax type) {
var syntaxTree = type.SyntaxTree;
SemanticModel semanticModel = GetSemanticModel(syntaxTree);
var symbol = semanticModel.GetTypeInfo(type.Type).Type;
Contract.Assert(symbol != null);
return symbol.TypeKind != TypeKind.Interface;
}
private bool IsTypeEnableExport(ITypeSymbol type) {
bool isExport = true;
if (type.TypeKind == TypeKind.Enum) {
isExport = IsEnumExport(type.ToString());
}
if (ignoreExportTypes_.Contains(type)) {
isExport = false;
}
return isExport;
}
private void AddSuperTypeTo(HashSet<INamedTypeSymbol> parentTypes, INamedTypeSymbol rootType, INamedTypeSymbol superType) {
if (superType.IsGenericType) {
if (IsFromCode(superType.OriginalDefinition)) {
parentTypes.Add(superType.OriginalDefinition);
}
foreach (var typeArgument in superType.TypeArguments) {
if (typeArgument.Kind != SymbolKind.TypeParameter) {
if (IsFromCode(typeArgument.OriginalDefinition) && !typeArgument.OriginalDefinition.Is(rootType)) {
AddSuperTypeTo(parentTypes, rootType, (INamedTypeSymbol)typeArgument);
}
}
}
} else if (IsFromCode(superType)) {
parentTypes.Add(superType);
}
}
private List<INamedTypeSymbol> GetExportTypes() {
const int kMaxLoopCount = 10000;
List<INamedTypeSymbol> allTypes = new List<INamedTypeSymbol>();
if (types_.Count > 0) {
types_.Sort((x, y) => string.Compare(x.ToString(), y.ToString(), StringComparison.Ordinal));
List<List<INamedTypeSymbol>> typesList = new List<List<INamedTypeSymbol>> { types_ };
int count = 0;
while (true) {
HashSet<INamedTypeSymbol> parentTypes = new HashSet<INamedTypeSymbol>(SymbolEqualityComparer.Default);
var lastTypes = typesList.Last();
foreach (var type in lastTypes) {
if (type.ContainingType != null) {
AddSuperTypeTo(parentTypes, type, type.ContainingType);
}
if (type.BaseType != null) {
AddSuperTypeTo(parentTypes, type, type.BaseType);
}
foreach (var interfaceType in type.Interfaces) {
AddSuperTypeTo(parentTypes, type, interfaceType);
}
AddGenericImportDependTo(parentTypes, type);
}
if (parentTypes.Count == 0) {
break;
}
if (count >= kMaxLoopCount) {
throw new BugErrorException($"check depend failed, {string.Join(',', lastTypes)}");
}
typesList.Add(parentTypes.ToList());
++count;
}
typesList.Reverse();
var types = typesList.SelectMany(i => i)
.Distinct(SymbolEqualityComparer.Default)
.OfType<INamedTypeSymbol>()
.Where(IsTypeEnableExport);
allTypes.AddRange(types);
}
return allTypes;
}
public void SetMainEntryPoint(IMethodSymbol symbol, SyntaxNode node) {
if (mainEntryPoint_ != null) {
throw new CompilationErrorException(node, "has more than one entry point");
}
mainEntryPoint_ = symbol;
}
public void WithAssemblyAttributes(List<LuaExpressionSyntax> attributes) {
assemblyAttributes_ = assemblyAttributes_.AddRange(attributes);
}
private void ExportManifestFile(List<string> moduleFiles, string outFolder) {
if (moduleFiles.Count > 0) {
moduleFiles.Sort();
var types = GetExportTypes();
if (types.Count > 0) {
var t = new LuaTableExpression();
t.Add("path", "path");
t.Add("files", new LuaTableExpression(moduleFiles.Select(i => new LuaStringLiteralExpressionSyntax(i))));
t.Add("types", new LuaTableExpression(types.Select(i => new LuaStringLiteralExpressionSyntax(GetTypeShortName(i)))));
FillManifestInitConf(t);
var functionExpression = new LuaFunctionExpressionSyntax();
functionExpression.AddParameter("path");
functionExpression.AddStatement(new LuaReturnStatementSyntax(LuaIdentifierNameSyntax.SystemInit.Invocation(t)));
var luaCompilationUnit = new LuaCompilationUnitSyntax();
luaCompilationUnit.AddStatement(new LuaReturnStatementSyntax(functionExpression));
string outFile = Path.Combine(outFolder, "manifest.lua");
Write(luaCompilationUnit, outFile);
}
}
}
private void FillManifestInitConf(LuaTableExpression t) {
if (mainEntryPoint_ != null) {
LuaIdentifierNameSyntax name = mainEntryPoint_.Name;
var typeName = GetTypeName(mainEntryPoint_.ContainingType);
var identifier = new LuaSymbolNameSyntax(typeName.MemberAccess(name));
t.Add(name, new LuaStringLiteralExpressionSyntax(identifier));
}
LuaTableExpression assemblyTable = new LuaTableExpression();
string moduleName = compilation_.Options.ModuleName;
if (!string.IsNullOrEmpty(moduleName)) {
assemblyTable.Add("name", new LuaStringLiteralExpressionSyntax(moduleName.TrimEnd(".dll")));
}
bool hasNormalAttribute = false;
if (assemblyAttributes_.Count > 0) {
const string kAssemblyFields = "System.Reflection.Assembly";
foreach (var attribute in assemblyAttributes_) {
var invocation = (LuaInvocationExpressionSyntax)attribute;
if (invocation.Expression is LuaIdentifierNameSyntax identifierName) {
string type = identifierName.ValueText;
if (type.StartsWith(kAssemblyFields)) {
int index = kAssemblyFields.Length;
int count = type.Length - index - "Attribute".Length;
string field = type.Substring(index, count);
assemblyTable.Add(field,
invocation.ArgumentList.Arguments.Count == 1
? invocation.ArgumentList.Arguments[0]
: new LuaTableExpression(invocation.ArgumentList.Arguments) {IsSingleLine = true});
continue;
}
}
assemblyTable.Add(invocation);
hasNormalAttribute = true;
}
}
if (assemblyTable.Items.Count > 0) {
const string kAssembly = "assembly";
if (!hasNormalAttribute) {
t.Add(kAssembly, assemblyTable);
} else {
var function = new LuaFunctionExpressionSyntax();
function.AddParameter(LuaIdentifierNameSyntax.Global);
function.AddStatement(new LuaReturnStatementSyntax(assemblyTable));
t.Add(kAssembly, function);
}
}
}
private void AddGenericImportDependTo(HashSet<INamedTypeSymbol> parentTypes, INamedTypeSymbol type) {
var set = genericImportDepends_.GetOrDefault(type);
if (set != null) {
parentTypes.UnionWith(set);
}
}
internal bool AddGenericImportDepend(INamedTypeSymbol definition, INamedTypeSymbol type) {
if (type != null && IsFromCode(type) && !definition.IsContainsType(type) && !type.IsDependExists(definition)) {
var set = genericImportDepends_.GetOrAdd(definition, _ => new ConcurrentHashSet<INamedTypeSymbol>(SymbolEqualityComparer.Default));
return set.Add(type);
}
return false;
}
#region // member name refactor
private readonly List<INamedTypeSymbol> types_ = new();
private readonly Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>> extends_ = new(SymbolEqualityComparer.Default);
private readonly Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>> implicitExtends_ = new(SymbolEqualityComparer.Default);
private readonly Dictionary<ISymbol, LuaSymbolNameSyntax> memberNames_ = new(SymbolEqualityComparer.Default);
private readonly Dictionary<INamedTypeSymbol, HashSet<string>> typeUsedNames_ = new(SymbolEqualityComparer.Default);
private readonly HashSet<ISymbol> refactorNames_ = new(SymbolEqualityComparer.Default);
private readonly Dictionary<ISymbol, string> memberIllegalNames_ = new(SymbolEqualityComparer.Default);
internal bool IsNeedRefactorName(ISymbol symbol) => refactorNames_.Contains(symbol);
private bool IsImplicitExtend(INamedTypeSymbol super, INamedTypeSymbol children) => implicitExtends_.GetOrDefault(super)?.Contains(children) ?? false;
internal void AddTypeSymbol(INamedTypeSymbol typeSymbol) {
types_.Add(typeSymbol);
CheckExtends(typeSymbol);
}
private void CheckExtends(INamedTypeSymbol typeSymbol) {
if (typeSymbol.SpecialType != SpecialType.System_Object) {
if (typeSymbol.BaseType != null) {
var super = typeSymbol.BaseType;
TryAddExtend(super, typeSymbol);
}
}
foreach (INamedTypeSymbol super in typeSymbol.AllInterfaces) {
TryAddExtend(super, typeSymbol);
}
}
private void TryAddExtend(INamedTypeSymbol super, INamedTypeSymbol children, bool isImplicit = false) {
if (IsFromCode(super)) {
if (super.IsGenericType) {
super = super.OriginalDefinition;
}
extends_.TryAdd(super, children);
if (isImplicit) {
implicitExtends_.TryAdd(super, children);
}
}
}
private HashSet<INamedTypeSymbol> GetExtendChildren(INamedTypeSymbol typeSymbol) {
if (typeSymbol.IsGenericType) {
typeSymbol = typeSymbol.OriginalDefinition;
}
return extends_.GetOrDefault(typeSymbol);
}
internal LuaIdentifierNameSyntax GetMemberName(ISymbol symbol) {
Utility.CheckOriginalDefinition(ref symbol);
var name = memberNames_.GetOrDefault(symbol);
if (name == null) {
lock(memberNames_) {
name = memberNames_.GetOrAdd(symbol, symbol => {
var identifierName = InternalGetMemberName(symbol);
CheckMemberBadName(identifierName.ValueText, symbol);
return new LuaSymbolNameSyntax(identifierName);
});
}
}
return name;
}
private void CheckMemberBadName(string originalString, ISymbol symbol) {
if (IsFromCode(symbol)) {
bool isCheckNeedReserved = false;
bool isCheckIllegalIdentifier = true;
switch (symbol.Kind) {
case SymbolKind.Field:
case SymbolKind.Method:
isCheckNeedReserved = true;
break;
case SymbolKind.Property:
var propertySymbol = (IPropertySymbol)symbol;
if (propertySymbol.IsIndexer) {
isCheckIllegalIdentifier = false;
} else {
isCheckNeedReserved = true;
}
break;
case SymbolKind.Event:
if (IsEventField((IEventSymbol)symbol)) {
isCheckNeedReserved = true;
}
break;
}
if (isCheckNeedReserved) {
if (LuaSyntaxNode.IsMethodReservedWord(originalString)) {
refactorNames_.Add(symbol);
isCheckIllegalIdentifier = false;
}
}
if (isCheckIllegalIdentifier) {
if (Utility.IsIdentifierIllegal(ref originalString)) {
refactorNames_.Add(symbol);
memberIllegalNames_.Add(symbol, originalString);
}
}
}
}
private LuaIdentifierNameSyntax InternalGetMemberName(ISymbol symbol) {
if (symbol.Kind == SymbolKind.Method) {
string name = XmlMetaProvider.GetMethodMapName((IMethodSymbol)symbol);
if (name != null) {
return name;
}
} else if (symbol.Kind == SymbolKind.Property) {
string name = XmlMetaProvider.GetPropertyMapName((IPropertySymbol)symbol);
if (name != null) {
return name;
}
}
if (!IsFromLuaModule(symbol)) {
return GetSymbolBaseName(symbol);
}
if (symbol.IsStatic) {
if (symbol.ContainingType.IsStatic) {
return GetStaticClassMemberName(symbol);
}
}
while (symbol.IsOverride) {
var overriddenSymbol = symbol.OverriddenSymbol();
symbol = overriddenSymbol;
}
return GetAllTypeSameName(symbol);
}
private static bool IsSameNameSymbol(ISymbol member, ISymbol symbol) {
if (member.EQ(symbol)) {
return true;
}
if (symbol.Kind == SymbolKind.Method) {
var methodSymbol = (IMethodSymbol)symbol;
if (methodSymbol.PartialDefinitionPart != null && methodSymbol.PartialDefinitionPart.EQ(member)) {
return true;
}
}
return false;
}
private LuaIdentifierNameSyntax GetAllTypeSameName(ISymbol symbol) {
List<ISymbol> sameNameMembers = GetSameNameMembers(symbol);
LuaIdentifierNameSyntax symbolExpression = null;
int index = 0;
foreach (ISymbol member in sameNameMembers) {
if (IsSameNameSymbol(member, symbol)) {
symbolExpression = GetSymbolBaseName(symbol);
} else {
if (!memberNames_.ContainsKey(member)) {
LuaIdentifierNameSyntax identifierName = GetSymbolBaseName(member);
memberNames_.Add(member, new LuaSymbolNameSyntax(identifierName));
}
}
if (index > 0) {
ISymbol refactorSymbol = member;
Utility.CheckOriginalDefinition(ref refactorSymbol);
refactorNames_.Add(refactorSymbol);
}
++index;
}
if (symbolExpression == null) {
throw new InvalidOperationException();
}
return symbolExpression;
}
internal LuaIdentifierNameSyntax AddInnerName(ISymbol symbol) {
string name = GetSymbolBaseName(symbol);
LuaSymbolNameSyntax symbolName = new LuaSymbolNameSyntax(name);
bool success = propertyOrEventInnerFieldNames_.TryAdd(symbol, symbolName);
Contract.Assert(success);
return symbolName;
}
private string GetSymbolBaseName(ISymbol symbol) {
switch (symbol.Kind) {
case SymbolKind.Method: {
IMethodSymbol method = (IMethodSymbol)symbol;
string name = XmlMetaProvider.GetMethodMapName(method);
if (name != null) {
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