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($"duk_add_event_instanced(ctx, \"{tsFieldVar}\", {this.eventBindingInfo.adderName}, {this.eventBindingInfo.removerName}, -1);");
this.cg.cs.AppendLine("DuktapeDLL.duk_remove(ctx, -2);");
this.cg.cs.AppendLine("return 1;");
}
protected List <ParameterInfo> WriteTSDeclaration(T method, MethodBaseBindingInfo <T> bindingInfo)
{
var isExtension = method.IsDefined(typeof(System.Runtime.CompilerServices.ExtensionAttribute));
var refParameters = new List <ParameterInfo>();
string tsMethodDeclaration;
if (this.cg.bindingManager.GetTSMethodDeclaration(method, out tsMethodDeclaration))
{
this.cg.tsDeclare.AppendLine(tsMethodDeclaration);
return(refParameters);
}
//TODO: 需要处理参数类型归并问题, 因为如果类型没有导入 ts 中, 可能会在声明中出现相同参数列表的定义
// 在 MethodVariant 中创建每个方法对应的TS类型名参数列表, 完全相同的不再输出
this.cg.AppendJSDoc(method);
var prefix = "";
if (method.IsStatic && !isExtension)
{
prefix = "static ";
}
string tsMethodRename;
if (this.cg.bindingManager.GetTSMethodRename(method, out tsMethodRename))
{
this.cg.tsDeclare.Append($"{prefix}{tsMethodRename}(");
}
else
{
this.cg.tsDeclare.Append($"{prefix}{bindingInfo.regName}(");
}
var parameters = method.GetParameters();
if (isExtension)
{
ArrayUtility.RemoveAt(ref parameters, 0);
}
for (var i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
var parameter_prefix = "";
var parameterType = parameter.ParameterType;
if (parameter.IsOut && parameterType.IsByRef)
{
// parameter_prefix = "/*out*/ ";
refParameters.Add(parameter);
}
else if (parameterType.IsByRef)
{
// parameter_prefix = "/*ref*/ ";
refParameters.Add(parameter);
}
if (parameter.IsDefined(typeof(ParamArrayAttribute), false) && i == parameters.Length - 1)
{
var elementType = parameterType.GetElementType();
var elementTS = this.cg.bindingManager.GetTSTypeFullName(elementType);
var parameterVarName = BindingManager.GetTSVariable(parameter.Name);
this.cg.tsDeclare.AppendL($"{parameter_prefix}...{parameterVarName}: {elementTS}[]");
}
else
{
var parameterTS = this.cg.bindingManager.GetTSTypeFullName(parameterType, parameter.IsOut);
var parameterVarName = BindingManager.GetTSVariable(parameter.Name);
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);
}
public override void Dispose()
{
using (new PreservedCodeGen(cg))
{
using (new RegFuncCodeGen(cg))
{
using (new RegFuncNamespaceCodeGen(cg, bindingInfo))
{
var constructor = bindingInfo.constructors.available ? bindingInfo.constructors.name : "object_private_ctor";
if (!bindingInfo.constructors.available && !bindingInfo.type.IsAbstract)
{
if (bindingInfo.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("duk_begin_class(ctx, \"{0}\", typeof({1}), {2});",
bindingInfo.jsName,
this.cg.bindingManager.GetCSTypeFullName(bindingInfo.type),
constructor);
foreach (var kv in bindingInfo.methods)
{
var regName = kv.Value.regName;
var funcName = kv.Value.name;
var bStatic = false;
string redirect;
if (this.bindingInfo.transform != null && this.bindingInfo.transform.TryRedirectMethod(regName, out redirect))
{
funcName = redirect;
}
cg.cs.AppendLine("duk_add_method(ctx, \"{0}\", {1}, {2});", regName, funcName, bStatic ? -2 : -1);
}
foreach (var kv in bindingInfo.staticMethods)
{
var regName = kv.Value.regName;
var funcName = kv.Value.name;
var bStatic = true;
string redirect;
if (this.bindingInfo.transform != null && this.bindingInfo.transform.TryRedirectMethod(regName, out redirect))
{
funcName = redirect;
}
cg.cs.AppendLine("duk_add_method(ctx, \"{0}\", {1}, {2});", regName, funcName, bStatic ? -2 : -1);
}
foreach (var kv in bindingInfo.properties)
{
var bindingInfo = kv.Value;
if (bindingInfo.staticPair.IsValid())
{
var tsPropertyVar = BindingManager.GetTSVariable(bindingInfo.regName);
cg.cs.AppendLine("duk_add_property(ctx, \"{0}\", {1}, {2}, {3});",
tsPropertyVar,
bindingInfo.staticPair.getterName != null ? bindingInfo.staticPair.getterName : "null",
bindingInfo.staticPair.setterName != null ? bindingInfo.staticPair.setterName : "null",
-2);
var tsPropertyPrefix = "static ";
if (bindingInfo.staticPair.setterName == null)
{
tsPropertyPrefix += "readonly ";
}
var tsPropertyType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.propertyInfo.PropertyType);
cg.tsDeclare.AppendLine($"{tsPropertyPrefix}{tsPropertyVar}: {tsPropertyType}");
}
if (bindingInfo.instancePair.IsValid())
{
var tsPropertyVar = BindingManager.GetTSVariable(bindingInfo.regName);
cg.cs.AppendLine("duk_add_property(ctx, \"{0}\", {1}, {2}, {3});",
tsPropertyVar,
bindingInfo.instancePair.getterName != null ? bindingInfo.instancePair.getterName : "null",
bindingInfo.instancePair.setterName != null ? bindingInfo.instancePair.setterName : "null",
-1);
var tsPropertyPrefix = "";
if (bindingInfo.instancePair.setterName == null)
{
tsPropertyPrefix += "readonly ";
}
var tsPropertyType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.propertyInfo.PropertyType);
cg.tsDeclare.AppendLine($"{tsPropertyPrefix}{tsPropertyVar}: {tsPropertyType}");
}
}
foreach (var kv in bindingInfo.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($"duk_add_const(ctx, \"{tsFieldVar}\", {cv}, {-2});");
}
else
{
cg.cs.AppendLine("duk_add_field(ctx, \"{0}\", {1}, {2}, {3});",
tsFieldVar,
bindingInfo.getterName != null ? bindingInfo.getterName : "null",
bindingInfo.setterName != null ? bindingInfo.setterName : "null",
bStatic ? -2 : -1);
}
var tsFieldPrefix = bStatic ? "static " : "";
if (bindingInfo.setterName == null)
{
tsFieldPrefix += "readonly ";
}
var tsFieldType = this.cg.bindingManager.GetTSTypeFullName(bindingInfo.fieldInfo.FieldType);
cg.tsDeclare.AppendLine($"{tsFieldPrefix}{tsFieldVar}: {tsFieldType}");
}
foreach (var kv in bindingInfo.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($"duk_add_event(ctx, \"{tsFieldVar}\", {eventBindingInfo.adderName}, {eventBindingInfo.removerName}, -2);");
}
else
{
cg.cs.AppendLine($"duk_add_property(ctx, \"{tsFieldVar}\", {eventBindingInfo.proxyName}, null, -1);");
}
cg.tsDeclare.AppendLine($"{tsFieldPrefix}{tsFieldVar}: DuktapeJS.event<{tsFieldType}>");
}
cg.cs.AppendLine("duk_end_class(ctx);");
}
}
base.Dispose();
}
this.cg.tsDeclare.DecTabLevel();
this.cg.tsDeclare.AppendLine("}");
}