public EventProxyCodeGen(CodeGenerator cg, EventBindingInfo eventBindingInfo)
{
this.cg = cg;
this.eventBindingInfo = eventBindingInfo;
var eventInfo = this.eventBindingInfo.eventInfo;
var declaringType = eventInfo.DeclaringType;
var tsFieldVar = BindingManager.GetTSVariable(eventBindingInfo.regName);
var caller = this.cg.AppendGetThisCS(eventBindingInfo);
this.cg.cs.AppendLine("return js_new_event(ctx, {0}, {1}, {2});", caller, this.eventBindingInfo.adderName, this.eventBindingInfo.removerName);
}
public EventProxyCodeGen(CodeGenerator cg, EventBindingInfo eventBindingInfo)
{
this.cg = cg;
this.eventBindingInfo = eventBindingInfo;
var eventInfo = this.eventBindingInfo.eventInfo;
var declaringType = eventInfo.DeclaringType;
var tsFieldVar = BindingManager.GetTSVariable(eventBindingInfo.regName);
// this.cg.cs.AppendLine("DuktapeDLL.duk_push_this(ctx);");
this.cg.cs.AppendLine($"duk_add_event_instanced(ctx, \"{tsFieldVar}\", {this.eventBindingInfo.adderName}, {this.eventBindingInfo.removerName}, -1);");
this.cg.cs.AppendLine("DuktapeDLL.duk_remove(ctx, -2);");
this.cg.cs.AppendLine("return 1;");
}
// 回填 ref/out 参数
// 扩展方法参数索引需要偏移
protected string _WriteBackParametersByRef(bool isExtension, List <ParameterInfo> parametersByRef, string retJsVar)
{
var retVar = "mult_ret";
cg.cs.AppendLine("var context = ScriptEngine.GetContext(ctx);");
cg.cs.AppendLine("var {0} = JSApi.JS_NewObject(ctx);", retVar);
if (!string.IsNullOrEmpty(retJsVar))
{
var retJsVarName = BindingManager.GetTSVariable("return");
cg.cs.AppendLine("JSApi.JS_SetProperty(ctx, {0}, context.GetAtom(\"{1}\"), {2});", retVar, retJsVarName, retJsVar);
}
for (var i = 0; i < parametersByRef.Count; i++)
{
var parameter = parametersByRef[i];
var pname = BindingManager.GetTSVariable(parameter);
var position = isExtension ? parameter.Position - 1 : parameter.Position;
var argname = $"arg{position}";
var pusher = cg.AppendValuePusher(parameter.ParameterType, argname);
cg.cs.AppendLine("var out{0} = {1};", i, pusher);
cg.cs.AppendLine("if (JSApi.JS_IsException(out{0}))", i);
using (cg.cs.Block())
{
for (var j = 0; j < i; j++)
{
cg.cs.AppendLine("JSApi.JS_FreeValue(ctx, out{0});", j);
}
cg.cs.AppendLine("JSApi.JS_FreeValue(ctx, {0});", retVar);
cg.cs.AppendLine("return out{0};", i);
}
cg.cs.AppendLine("JSApi.JS_SetProperty(ctx, {0}, context.GetAtom(\"{1}\"), out{2});", retVar, pname, i);
}
return(retVar);
}
protected List <ParameterInfo> WriteTSDeclaration(T method, MethodBaseBindingInfo <T> bindingInfo)
{
var isExtension = BindingManager.IsExtensionMethod(method);
var refParameters = new List <ParameterInfo>();
string tsMethodDeclaration;
this.cg.AppendJSDoc(method);
if (this.cg.bindingManager.GetTSMethodDeclaration(method, out tsMethodDeclaration))
{
this.cg.tsDeclare.AppendLine(tsMethodDeclaration);
return(refParameters);
}
var isRaw = method.IsDefined(typeof(JSCFunctionAttribute));
//TODO: 需要处理参数类型归并问题, 因为如果类型没有导入 ts 中, 可能会在声明中出现相同参数列表的定义
// 在 MethodVariant 中创建每个方法对应的TS类型名参数列表, 完全相同的不再输出
var prefix = "";
if (method.Name.StartsWith("op_"))
{
prefix += "//";
}
if (method.IsStatic && !isExtension)
{
prefix += "static ";
}
string tsMethodRename;
if (this.cg.bindingManager.GetTSMethodRename(method, out tsMethodRename))
{
this.cg.tsDeclare.Append($"{prefix}{tsMethodRename}(");
}
else
{
this.cg.tsDeclare.Append($"{prefix}{bindingInfo.regName}(");
}
if (isRaw)
{
this.cg.tsDeclare.AppendL("...uncertain: any[]): any /* uncertain */");
this.cg.tsDeclare.AppendLine();
}
else
{
var parameters = method.GetParameters();
if (isExtension)
{
ArrayUtility.RemoveAt(ref parameters, 0);
}
// 剔除 out 参数
for (int i = 0, len = parameters.Length; i < len;)
{
var parameter = parameters[i];
if (parameter.IsOut)
{
ArrayUtility.RemoveAt(ref parameters, i);
len--;
refParameters.Add(parameter);
}
else
{
if (parameter.ParameterType.IsByRef)
{
refParameters.Add(parameter);
}
i++;
}
}
for (int i = 0, len = parameters.Length; i < len; i++)
{
var parameter = parameters[i];
var parameter_prefix = "";
var parameterType = parameter.ParameterType;
if (parameter.IsDefined(typeof(ParamArrayAttribute), false) && i == parameters.Length - 1)
{
var elementType = parameterType.GetElementType();
var elementTS = this.cg.bindingManager.GetTSTypeFullName(elementType);
var parameterVarName = BindingManager.GetTSVariable(parameter);
this.cg.tsDeclare.AppendL($"{parameter_prefix}...{parameterVarName}: {elementTS}[]");
}
else
{
var parameterTS = this.cg.bindingManager.GetTSTypeFullName(parameter);
var parameterVarName = BindingManager.GetTSVariable(parameter);
this.cg.tsDeclare.AppendL($"{parameter_prefix}{parameterVarName}: {parameterTS}");
}
if (i != parameters.Length - 1)
{
this.cg.tsDeclare.AppendL(", ");
}
}
this.cg.tsDeclare.AppendL($")");
WriteTSReturn(method, refParameters);
}
return(refParameters);
}
// 写入返回类型声明
protected virtual void WriteTSReturn(T method, List <ParameterInfo> returnParameters)
{
var returnType = GetReturnType(method);
var count = returnParameters.Count;
if (returnType != null && returnType != typeof(void))
{
if (count != 0)
{
this.cg.tsDeclare.AppendL(": { ");
var returnTypeTS = this.cg.bindingManager.GetTSReturnTypeFullName(returnType);
var returnVarName = BindingManager.GetTSVariable("return");
this.cg.tsDeclare.AppendL($"\"{returnVarName}\": {returnTypeTS}");
for (var i = 0; i < count; i++)
{
var rp = returnParameters[i];
var name = BindingManager.GetTSVariable(rp.Name);
var ts = this.cg.bindingManager.GetTSTypeFullName(rp.ParameterType);
if (i != count - 1)
{
this.cg.tsDeclare.AppendL($", \"{name}\": {ts}");
}
else
{
this.cg.tsDeclare.AppendL($", \"{name}\": {ts}");
}
}
this.cg.tsDeclare.AppendL(" }");
this.cg.tsDeclare.AppendLine();
}
else
{
var returnTypeTS = this.cg.bindingManager.GetTSReturnTypeFullName(returnType);
this.cg.tsDeclare.AppendL($": {returnTypeTS}");
this.cg.tsDeclare.AppendLine();
}
}
else
{
if (count != 0)
{
this.cg.tsDeclare.AppendL(": { ");
for (var i = 0; i < count; i++)
{
var rp = returnParameters[i];
var name = rp.Name;
var ts = this.cg.bindingManager.GetTSTypeFullName(rp.ParameterType);
if (i != count - 1)
{
this.cg.tsDeclare.AppendL($"\"{name}\": {ts}, ");
}
else
{
this.cg.tsDeclare.AppendL($"\"{name}\": {ts}");
}
}
this.cg.tsDeclare.AppendL(" }");
this.cg.tsDeclare.AppendLine();
}
else
{
this.cg.tsDeclare.AppendLine();
}
}
}
public override void Dispose()
{
using (new RegFuncCodeGen(cg))
{
using (new RegFuncNamespaceCodeGen(cg, typeBindingInfo))
{
var constructor = typeBindingInfo.constructors.available ? typeBindingInfo.constructors.name : "JSApi.class_private_ctor";
if (!typeBindingInfo.constructors.available && !typeBindingInfo.type.IsAbstract)
{
if (typeBindingInfo.type.IsSubclassOf(typeof(Component)))
{
// 因为 ts 泛型约束需要 new() 形式, 所以在定义中产生一个 public 定义
// 例如: GetComponent<T extends Component>(type: { new(): T }): T
cg.tsDeclare.AppendLine("/*protected*/ constructor()");
}
else
{
cg.tsDeclare.AppendLine("protected constructor()");
}
}
cg.cs.AppendLine("var cls = ns.CreateClass(\"{0}\", typeof({1}), {2});",
typeBindingInfo.jsName,
this.cg.bindingManager.GetCSTypeFullName(typeBindingInfo.type),
constructor);
// 运算符
foreach (var operatorBindingInfo in typeBindingInfo.operators)
{
var regName = operatorBindingInfo.regName;
var funcName = operatorBindingInfo.name;
var parameters = operatorBindingInfo.methodInfo.GetParameters();
var declaringType = operatorBindingInfo.methodInfo.DeclaringType;
string redirect;
if (this.typeBindingInfo.transform != null && this.typeBindingInfo.transform.TryRedirectMethod(regName, out redirect))
{
funcName = redirect;
}
do
{
if (parameters.Length == 2)
{
if (parameters[0].ParameterType != declaringType)
{
var leftType = typeBindingInfo.bindingManager.GetCSTypeFullName(parameters[0].ParameterType);
cg.cs.AppendLine("cls.AddLeftOperator(\"{0}\", {1}, {2}, typeof({3}));", regName, funcName, operatorBindingInfo.length, leftType);
break;
}
else if (parameters[1].ParameterType != declaringType)
{
var rightType = typeBindingInfo.bindingManager.GetCSTypeFullName(parameters[1].ParameterType);
cg.cs.AppendLine("cls.AddRightOperator(\"{0}\", {1}, {2}, typeof({3}));", regName, funcName, operatorBindingInfo.length, rightType);
break;
}
}
cg.cs.AppendLine("cls.AddSelfOperator(\"{0}\", {1}, {2});", regName, funcName, operatorBindingInfo.length);
} while (false);
}
// 非静态方法
foreach (var kv in typeBindingInfo.methods)
{
var regName = kv.Value.regName;
var funcName = kv.Value.name;
string redirect;
if (this.typeBindingInfo.transform != null && this.typeBindingInfo.transform.TryRedirectMethod(regName, out redirect))
{
funcName = redirect;
}
if (typeBindingInfo.bindingManager.prefs.optToString && regName == "ToString")
{
cg.cs.AppendLine("cls.AddMethod(false, \"{0}\", {1});", "toString", funcName);
}
else
{
cg.cs.AppendLine("cls.AddMethod(false, \"{0}\", {1});", regName, funcName);
}
}
// 静态方法
foreach (var kv in typeBindingInfo.staticMethods)
{
var methodBindingInfo = kv.Value;
var regName = methodBindingInfo.regName;
if (methodBindingInfo._cfunc != null)
{
var attr = (JSCFunctionAttribute)methodBindingInfo._cfunc.GetCustomAttribute(typeof(JSCFunctionAttribute));
var methodDeclType = this.cg.bindingManager.GetCSTypeFullName(methodBindingInfo._cfunc.DeclaringType);
var isStatic = attr.isStatic ? "true" : "false";
cg.cs.AppendLine("cls.AddRawMethod({0}, \"{1}\", {2}.{3});", isStatic, regName, methodDeclType, methodBindingInfo._cfunc.Name);
foreach (var defEntry in attr.difinitions)
{
string tsMethodRename;
var prefix = attr.isStatic ? "static" : "";
if (defEntry.StartsWith("("))
{
if (this.cg.bindingManager.GetTSMethodRename(methodBindingInfo._cfunc, out tsMethodRename))
{
this.cg.tsDeclare.AppendLine($"{prefix}{tsMethodRename}{defEntry}");
}
else
{
this.cg.tsDeclare.AppendLine($"{prefix}{regName}{defEntry}");
}
}
else
{
this.cg.tsDeclare.AppendLine($"{prefix}{defEntry}");
}
}
}
else
{
var funcName = methodBindingInfo.name;
string redirect;
if (this.typeBindingInfo.transform != null && this.typeBindingInfo.transform.TryRedirectMethod(regName, out redirect))
{
funcName = redirect;
}
cg.cs.AppendLine("cls.AddMethod(true, \"{0}\", {1});", regName, funcName);
}
}
// 属性
foreach (var kv in typeBindingInfo.properties)
{
var bindingInfo = kv.Value;
if (bindingInfo.staticPair.IsValid())
{
var tsPropertyVar = BindingManager.GetTSVariable(bindingInfo.regName);
cg.cs.AppendLine("cls.AddProperty(true, \"{0}\", {1}, {2});",
tsPropertyVar,
bindingInfo.staticPair.getterName != null ? bindingInfo.staticPair.getterName : "null",
bindingInfo.staticPair.setterName != null ? bindingInfo.staticPair.setterName : "null");
var tsPropertyPrefix = "static ";
if (bindingInfo.staticPair.setterName == null)
{
tsPropertyPrefix += "readonly ";
}
var tsPropertyType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.propertyInfo.PropertyType);
cg.AppendJSDoc(bindingInfo.propertyInfo);
cg.tsDeclare.AppendLine($"{tsPropertyPrefix}{tsPropertyVar}: {tsPropertyType}");
}
if (bindingInfo.instancePair.IsValid())
{
var tsPropertyVar = BindingManager.GetTSVariable(bindingInfo.regName);
cg.cs.AppendLine("cls.AddProperty(false, \"{0}\", {1}, {2});",
tsPropertyVar,
bindingInfo.instancePair.getterName != null ? bindingInfo.instancePair.getterName : "null",
bindingInfo.instancePair.setterName != null ? bindingInfo.instancePair.setterName : "null");
var tsPropertyPrefix = "";
if (bindingInfo.instancePair.setterName == null)
{
tsPropertyPrefix += "readonly ";
}
var tsPropertyType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.propertyInfo.PropertyType);
cg.AppendJSDoc(bindingInfo.propertyInfo);
cg.tsDeclare.AppendLine($"{tsPropertyPrefix}{tsPropertyVar}: {tsPropertyType}");
}
}
foreach (var kv in typeBindingInfo.fields)
{
var bindingInfo = kv.Value;
var bStatic = bindingInfo.isStatic;
var tsFieldVar = BindingManager.GetTSVariable(bindingInfo.regName);
if (bindingInfo.constantValue != null)
{
var cv = bindingInfo.constantValue;
cg.cs.AppendLine($"cls.AddConstValue(\"{tsFieldVar}\", {cv});");
}
else
{
cg.cs.AppendLine("cls.AddField({0}, \"{1}\", {2}, {3});",
bStatic ? "true" : "false",
tsFieldVar,
bindingInfo.getterName != null ? bindingInfo.getterName : "null",
bindingInfo.setterName != null ? bindingInfo.setterName : "null");
}
var tsFieldPrefix = bStatic ? "static " : "";
if (bindingInfo.setterName == null)
{
tsFieldPrefix += "readonly ";
}
var tsFieldType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.fieldInfo.FieldType);
cg.AppendJSDoc(bindingInfo.fieldInfo);
cg.tsDeclare.AppendLine($"{tsFieldPrefix}{tsFieldVar}: {tsFieldType}");
}
foreach (var kv in typeBindingInfo.events)
{
var eventBindingInfo = kv.Value;
var bStatic = eventBindingInfo.isStatic;
//NOTE: 静态事件在绑定过程直接定义， 非静态事件推迟到构造时直接赋值创建
var tsFieldVar = BindingManager.GetTSVariable(eventBindingInfo.regName);
var tsFieldType = this.cg.bindingManager.GetTSTypeFullName(eventBindingInfo.eventInfo.EventHandlerType);
var tsFieldPrefix = "";
if (bStatic)
{
tsFieldPrefix += "static ";
cg.cs.AppendLine($"cls.AddStaticEvent(\"{tsFieldVar}\", {eventBindingInfo.adderName}, {eventBindingInfo.removerName});");
}
else
{
cg.cs.AppendLine($"cls.AddProperty(false, \"{tsFieldVar}\", {eventBindingInfo.proxyName}, null);");
}
tsFieldPrefix += "readonly ";
cg.tsDeclare.AppendLine($"{tsFieldPrefix}{tsFieldVar}: jsb.event<{tsFieldType}>");
}
cg.cs.AppendLine("cls.Close();");
}
}
base.Dispose();
this.cg.tsDeclare.DecTabLevel();
this.cg.tsDeclare.AppendLine("}");
}
