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2023 lines (1783 loc) · 74.1 KB
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/*
Copyright 2017 YANG Huan ([email protected]).
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;
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;
if (filePath.Contains(otherFilePath)) {
return 1;
} else if (otherFilePath.Contains(filePath)) {
return -1;
} else {
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; }
public string BaseFolder { get; 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 IsNotConstantForEnum { get; set; }
public SettingInfo() {
Indent = 2;
}
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 (value > 0 && indent_ != value) {
indent_ = value;
IndentString = new string(' ', indent_);
}
}
}
}
private const string kLuaSuffix = ".lua";
private static readonly bool kIsConcurrent = true;
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 readonly ConcurrentHashSet<string> exportEnums_ = new ConcurrentHashSet<string>();
private readonly ConcurrentHashSet<INamedTypeSymbol> ignoreExportTypes_ = new ConcurrentHashSet<INamedTypeSymbol>();
private readonly ConcurrentHashSet<ISymbol> forcePublicSymbols_ = new ConcurrentHashSet<ISymbol>();
private readonly ConcurrentList<LuaEnumDeclarationSyntax> enumDeclarations_ = new ConcurrentList<LuaEnumDeclarationSyntax>();
private readonly ConcurrentDictionary<INamedTypeSymbol, ConcurrentList<PartialTypeDeclaration>> partialTypes_ = new ConcurrentDictionary<INamedTypeSymbol, ConcurrentList<PartialTypeDeclaration>>();
private readonly ImmutableHashSet<string> monoBehaviourSpecialMethodNames_;
private ImmutableList<LuaExpressionSyntax> assemblyAttributes_ = ImmutableList<LuaExpressionSyntax>.Empty;
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 static CSharpCompilationOptions WithOptions(CSharpCompilationOptions compilationOptions) {
return compilationOptions
.WithConcurrentBuild(true)
.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(o => ParseText(code, parseOptions), null);
}
private static IEnumerable<SyntaxTree> BuildSyntaxTrees(IEnumerable<(string Text, string Path)> codes, CSharpParseOptions parseOptions) {
if (kIsConcurrent) {
var tasks = codes.Select(i => BuildSyntaxTreeAsync(i, parseOptions));
return Task.WhenAll(tasks).Result;
} else {
return codes.Select(i => ParseText(i, parseOptions));
}
}
private static (CSharpCompilation, CSharpCommandLineArguments) BuildCompilation(IEnumerable<(string Text, string Path)> codes, IEnumerable<string> libs, IEnumerable<string> cscArguments, LuaSyntaxGenerator.SettingInfo setting) {
var commandLineArguments = CSharpCommandLineParser.Default.Parse((cscArguments ?? Array.Empty<string>()).Concat(new string[] { "-define:__CSharpLua__" }), null, null);
var parseOptions = commandLineArguments.ParseOptions.WithLanguageVersion(LanguageVersion.CSharp8).WithDocumentationMode(DocumentationMode.Parse);
var syntaxTrees = BuildSyntaxTrees(codes, parseOptions);
var references = libs.Select(i => MetadataReference.CreateFromFile(i)).ToList();
var compilation = CSharpCompilation.Create("_", syntaxTrees, references, WithOptions(commandLineArguments.CompilationOptions));
using (MemoryStream ms = new MemoryStream()) {
EmitResult result = compilation.Emit(ms);
if (!result.Success) {
var errors = result.Diagnostics.Where(i => i.Severity == DiagnosticSeverity.Error);
string message = string.Join("\n", errors);
throw new CompilationErrorException(message);
}
}
return (compilation, commandLineArguments);
}
public LuaSyntaxGenerator(IEnumerable<(string Text, string Path)> codes, IEnumerable<string> libs, IEnumerable<string> cscArguments, IEnumerable<string> metas, LuaSyntaxGenerator.SettingInfo setting) {
(compilation_, CommandLineArguments) = BuildCompilation(codes, libs, cscArguments, setting);
XmlMetaProvider = new XmlMetaProvider(metas);
Setting = setting;
if (Setting.ExportEnums != null) {
exportEnums_.UnionWith(Setting.ExportEnums);
}
SystemExceptionTypeSymbol = compilation_.GetTypeByMetadataName("System.Exception");
if (compilation_.ReferencedAssemblyNames.Any(i => i.Name.Contains("UnityEngine"))) {
monoBehaviourTypeSymbol_ = compilation_.GetTypeByMetadataName("UnityEngine.MonoBehaviour");
if (monoBehaviourTypeSymbol_ != null) {
monoBehaviourSpecialMethodNames_ = new string[] { "Awake", "Start", "Update", "FixedUpdate", "LateUpdate" }.ToImmutableHashSet();
}
}
DoPretreatment();
}
private LuaCompilationUnitSyntax CreateCompilationUnit(SyntaxTree syntaxTree) {
var semanticModel = GetSemanticModel(syntaxTree);
var compilationUnitSyntax = (CompilationUnitSyntax)syntaxTree.GetRoot();
var transfor = new LuaSyntaxNodeTransform(this, semanticModel);
return compilationUnitSyntax.Accept<LuaCompilationUnitSyntax>(transfor);
}
private Task<LuaCompilationUnitSyntax> CreateCompilationUnitAsync(SyntaxTree syntaxTree) {
return Task.Factory.StartNew(o => CreateCompilationUnit(syntaxTree), null);
}
private IEnumerable<LuaCompilationUnitSyntax> Create() {
List<LuaCompilationUnitSyntax> luaCompilationUnits;
if (kIsConcurrent) {
try {
var tasks = compilation_.SyntaxTrees.Select(CreateCompilationUnitAsync);
luaCompilationUnits = Task.WhenAll(tasks).Result.ToList();
} catch (AggregateException e) {
if (e.InnerExceptions.Count > 0) {
throw e.InnerExceptions.First();
} else {
throw e;
}
}
} else {
luaCompilationUnits = compilation_.SyntaxTrees.Select(CreateCompilationUnit).ToList();
}
CheckExportEnums();
CheckPartialTypes();
CheckRefactorNames();
return luaCompilationUnits.Where(i => !i.IsEmpty);
}
private void Write(LuaCompilationUnitSyntax luaCompilationUnit, TextWriter writer) {
LuaRenderer rener = new LuaRenderer(this, writer);
luaCompilationUnit.Render(rener);
}
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>();
foreach (var luaCompilationUnit in Create()) {
string outFile = GetOutFileAbsolutePath(luaCompilationUnit.FilePath, outFolder, out string module);
Write(luaCompilationUnit, outFile);
modules.Add(module);
}
ExportManifestFile(modules, outFolder);
}
public void GenerateSingleFile(string outFile, string outFolder, IEnumerable<string> luaSystemLibs) {
outFile = GetOutFileRelativePath(outFile, outFolder, out _);
using var streamWriter = new StreamWriter(outFile, false, Encoding);
foreach (var luaSystemLib in luaSystemLibs) {
WriteLuaSystemLib(luaSystemLib, streamWriter);
}
foreach (var luaCompilationUnit in Create()) {
WriteCompilationUnit(luaCompilationUnit, streamWriter);
}
if (mainEntryPoint_ is null) {
throw new CompilationErrorException("Program has no main entry point.");
}
WriteManifest(streamWriter);
}
private void WriteLuaSystemLib(string filePath, TextWriter writer) {
writer.WriteLine(LuaSyntaxNode.Keyword.Do);
writer.WriteLine(File.ReadAllText(filePath));
writer.WriteLine(LuaSyntaxNode.Keyword.End);
}
private void WriteCompilationUnit(LuaCompilationUnitSyntax luaCompilationUnit, TextWriter writer) {
writer.WriteLine(LuaSyntaxNode.Keyword.Do);
Write(luaCompilationUnit, writer);
writer.WriteLine();
writer.WriteLine(LuaSyntaxNode.Keyword.End);
}
private void WriteManifest(TextWriter writer) {
const string kManifestFuncName = "InitCSharp";
var types = GetExportTypes();
if (types.Count > 0) {
var functionExpression = new LuaFunctionExpressionSyntax();
var initCSharpFunctionDeclarationStatement = new LuaLocalVariablesSyntax() { Initializer = new LuaEqualsValueClauseListSyntax(functionExpression.ArrayOf()) };
initCSharpFunctionDeclarationStatement.Variables.Add(new LuaSymbolNameSyntax(new LuaIdentifierLiteralExpressionSyntax(kManifestFuncName)));
LuaTableExpression typeTable = new LuaTableExpression();
typeTable.Add("types", new LuaTableExpression(types.Select(i => new LuaStringLiteralExpressionSyntax(GetTypeShortName(i)))));
var methodName = mainEntryPoint_.Name;
var methodTypeName = GetTypeName(mainEntryPoint_.ContainingType);
var entryPointInvocation = new LuaInvocationExpressionSyntax(methodTypeName.MemberAccess(methodName));
functionExpression.AddStatement(LuaIdentifierNameSyntax.SystemInit.Invocation(typeTable));
functionExpression.AddStatement(entryPointInvocation);
LuaCompilationUnitSyntax luaCompilationUnit = new LuaCompilationUnitSyntax();
luaCompilationUnit.AddStatement(new LuaLocalDeclarationStatementSyntax(initCSharpFunctionDeclarationStatement));
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) {
if (!string.IsNullOrEmpty(Setting.BaseFolder)) {
return path.Remove(0, Setting.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 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 (!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) {
if (Setting.IsExportEnumAll) {
return true;
}
return exportEnums_.Contains(enumTypeSymbol);
}
internal void AddExportEnum(ITypeSymbol enumType) {
Contract.Assert(enumType.TypeKind == TypeKind.Enum);
if (enumType.IsFromCode()) {
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);
}
private static readonly HashSet<string> ignoreSystemAttributes_ = new HashSet<string>() {
"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 symbol.IsFromCode() || 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 attrbute in symbol.GetAttributes()) {
var attributeSymbol = attrbute.AttributeClass;
if (attributeSymbol.IsConditionalAttribute()) {
string conditionString = (string)attrbute.ConstructorArguments.First().Value;
bool has = CommandLineArguments.ParseOptions.PreprocessorSymbolNames.Contains(conditionString);
if (has) {
return true;
}
}
}
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 major = typeDeclarations.Min();
var transfor = new LuaSyntaxNodeTransform(this, null);
transfor.AcceptPartialType(major, typeDeclarations);
}
}
}
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 (superType.OriginalDefinition.IsFromCode()) {
parentTypes.Add(superType.OriginalDefinition);
}
foreach (var typeArgument in superType.TypeArguments) {
if (typeArgument.Kind != SymbolKind.TypeParameter) {
if (typeArgument.OriginalDefinition.IsFromCode() && !typeArgument.OriginalDefinition.Is(rootType)) {
AddSuperTypeTo(parentTypes, rootType, (INamedTypeSymbol)typeArgument);
}
}
}
} else if (superType.IsFromCode()) {
parentTypes.Add(superType);
}
}
private List<INamedTypeSymbol> GetExportTypes() {
List<INamedTypeSymbol> allTypes = new List<INamedTypeSymbol>();
if (types_.Count > 0) {
types_.Sort((x, y) => x.ToString().CompareTo(y.ToString()));
List<List<INamedTypeSymbol>> typesList = new List<List<INamedTypeSymbol>>() { types_ };
while (true) {
HashSet<INamedTypeSymbol> parentTypes = new HashSet<INamedTypeSymbol>();
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);
}
}
if (parentTypes.Count == 0) {
break;
}
typesList.Add(parentTypes.ToList());
}
typesList.Reverse();
var types = typesList.SelectMany(i => i).Distinct().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);
if (invocation.ArgumentList.Arguments.Count == 1) {
assemblyTable.Add(field, invocation.ArgumentList.Arguments.First());
} else {
assemblyTable.Add(field, 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);
}
}
}
#region // member name refactor
private readonly List<INamedTypeSymbol> types_ = new List<INamedTypeSymbol>();
private readonly Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>> extends_ = new Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>>();
private readonly Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>> implicitExtends_ = new Dictionary<INamedTypeSymbol, HashSet<INamedTypeSymbol>>();
private readonly Dictionary<ISymbol, LuaSymbolNameSyntax> memberNames_ = new Dictionary<ISymbol, LuaSymbolNameSyntax>();
private readonly Dictionary<INamedTypeSymbol, HashSet<string>> typeNameUseds_ = new Dictionary<INamedTypeSymbol, HashSet<string>>();
private readonly HashSet<ISymbol> refactorNames_ = new HashSet<ISymbol>();
private readonly Dictionary<ISymbol, string> memberIllegalNames_ = new Dictionary<ISymbol, string>();
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 (super.IsFromCode()) {
if (super.IsGenericType) {
super = super.OriginalDefinition;
}
extends_.TryAdd(super, children);
if (isImplicit) {
implicitExtends_.TryAdd(super, children);
}
}
}
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 (symbol.IsFromCode()) {
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 (IsEventFiled((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;
}
}
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 = propertyOrEvnetInnerFieldNames_.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) {
return name;
}
var implementation = method.ExplicitInterfaceImplementations.FirstOrDefault();
if (implementation != null) {
return implementation.Name;
}
break;
}
case SymbolKind.Property: {
IPropertySymbol property = (IPropertySymbol)symbol;
if (property.IsIndexer) {
return string.Empty;
} else {
var implementation = property.ExplicitInterfaceImplementations.FirstOrDefault();
if (implementation != null) {
return implementation.Name;
}
}
break;
}
case SymbolKind.Event: {
IEventSymbol eventSymbol = (IEventSymbol)symbol;
var implementation = eventSymbol.ExplicitInterfaceImplementations.FirstOrDefault();
if (implementation != null) {
return implementation.Name;
}
break;
}
}
return symbol.Name;
}
private LuaIdentifierNameSyntax GetStaticClassMemberName(ISymbol symbol) {
var sameNameMembers = GetStaticClassSameNameMembers(symbol);
LuaIdentifierNameSyntax symbolExpression = null;
int index = 0;
foreach (ISymbol member in sameNameMembers) {
LuaIdentifierNameSyntax identifierName = GetMethodNameFromIndex(symbol, index);
if (member.EQ(symbol)) {
symbolExpression = identifierName;
} else {
if (!memberNames_.ContainsKey(member)) {
memberNames_.Add(member, new LuaSymbolNameSyntax(identifierName));
}
}
++index;
}
if (symbolExpression == null) {
throw new InvalidOperationException();
}
return symbolExpression;
}
private LuaIdentifierNameSyntax GetMethodNameFromIndex(ISymbol symbol, int index) {
Contract.Assert(index != -1);
if (index == 0) {
return symbol.Name;
} else {
while (true) {
string newName = symbol.Name + index;
if (IsCurTypeNameEnable(symbol.ContainingType, newName)) {
TryAddNewUsedName(symbol.ContainingType, newName);
return newName;
}
++index;
}
}
}
private bool TryAddNewUsedName(INamedTypeSymbol type, string newName) {
return typeNameUseds_.TryAdd(type, newName);
}
internal string GetUniqueNameInType(INamedTypeSymbol type, string name, Func<string, bool> checker) {
int index = 0;
while (true) {
string newName = index != 0 ? name + index : name;
if (IsCurTypeNameEnable(type, newName) && checker(newName)) {
TryAddNewUsedName(type, name);
return newName;
}
++index;
}
}
private List<ISymbol> GetStaticClassSameNameMembers(ISymbol symbol) {
List<ISymbol> members = new List<ISymbol>();
var names = GetSymbolNames(symbol);
AddSimilarNameMembers(symbol.ContainingType, names, members);
return members;
}
private List<ISymbol> GetSameNameMembers(ISymbol symbol) {
List<ISymbol> members = new List<ISymbol>();
var names = GetSymbolNames(symbol);
var rootType = symbol.ContainingType;
var curTypeSymbol = rootType;
while (true) {
AddSimilarNameMembers(curTypeSymbol, names, members, !rootType.EQ(curTypeSymbol));
var baseTypeSymbol = curTypeSymbol.BaseType;
if (baseTypeSymbol != null) {
curTypeSymbol = baseTypeSymbol;
} else {
break;
}
}
members.Sort(MemberSymbolComparison);
return members;
}
private void AddSimilarNameMembers(INamedTypeSymbol typeSymbol, List<string> names, List<ISymbol> outList, bool isWithoutPrivate = false) {
foreach (var member in typeSymbol.GetMembers()) {
if (member.IsOverride) {
continue;
}
if (!isWithoutPrivate || !member.IsPrivate()) {
var memberNames = GetSymbolNames(member);
if (memberNames.Exists(i => names.Contains(i))) {
outList.Add(member);
}
}
}
}
private List<string> GetSymbolNames(ISymbol symbol) {
List<string> names = new List<string>();
if (symbol.Kind == SymbolKind.Property) {
var propertySymbol = (IPropertySymbol)symbol;
if (IsPropertyField(propertySymbol)) {
names.Add(symbol.Name);
} else {
string baseName = GetSymbolBaseName(symbol);
if (propertySymbol.IsReadOnly) {
names.Add(LuaSyntaxNode.Tokens.Get + baseName);
} else if (propertySymbol.IsWriteOnly) {
names.Add(LuaSyntaxNode.Tokens.Set + baseName);
} else {
names.Add(LuaSyntaxNode.Tokens.Get + baseName);
names.Add(LuaSyntaxNode.Tokens.Set + baseName);
}
}
} else if (symbol.Kind == SymbolKind.Event) {
var eventSymbol = (IEventSymbol)symbol;
if (IsEventFiled(eventSymbol)) {
names.Add(symbol.Name);
} else {
string baseName = GetSymbolBaseName(symbol);
names.Add(LuaSyntaxNode.Tokens.Add + baseName);
names.Add(LuaSyntaxNode.Tokens.Remove + baseName);
}
} else {
names.Add(GetSymbolBaseName(symbol));
}
return names;
}
private bool MemberSymbolBoolComparison(ISymbol a, ISymbol b, Func<ISymbol, bool> boolFunc, out int v) {
bool boolOfA = boolFunc(a);
bool boolOfB = boolFunc(b);
if (boolOfA) {
if (boolOfB) {
v = MemberSymbolCommonComparison(a, b);
} else {
v = -1;
}
return true;
}
if (b.IsAbstract) {
v = 1;
return true;
}
v = 0;
return false;
}
private int MemberSymbolComparison(ISymbol a, ISymbol b) {
if (a.EQ(b)) {
return 0;
}
bool isFromCodeOfA = IsFromLuaModule(a.ContainingType);
bool isFromCodeOfB = IsFromLuaModule(b.ContainingType);
if (!isFromCodeOfA) {
if (!isFromCodeOfB) {
return 0;