// 写入绑定代码
protected void WriteCSMethodBinding(MethodBaseBindingInfo <T> bindingInfo, T method, string argc, bool isVararg)
{
// 是否接管 cs 绑定代码生成
var transform = cg.bindingManager.GetTypeTransform(method.DeclaringType);
if (transform != null && transform.OnBinding(BindingPoints.METHOD_BINDING_FULL, method, cg))
{
return;
}
var isExtension = BindingManager.IsExtensionMethod(method);
// var isRaw = method.IsDefined(typeof(JSCFunctionAttribute));
var parameters = method.GetParameters();
var in_params = new List <ParameterInfo>();
var out_params = new List <ParameterInfo>();
SplitParamters(parameters, isExtension ? 1 : 0, in_params, out_params);
var caller = this.cg.AppendGetThisCS(method);
var returnType = GetReturnType(method);
// if (isRaw)
// {
// do
// {
// if (!isExtension)
// {
// if (returnType == typeof(int) && in_params.Count == 1)
// {
// var p = in_params[0];
// if (p.ParameterType == typeof(IntPtr) && !p.IsOut)
// {
// cg.cs.AppendLine($"return {caller}.{method.Name}(ctx);");
// return;
// }
// }
// cg.bindingManager.Error($"invalid JSCFunction definition: {method}");
// break;
// }
// cg.bindingManager.Error($"Extension as JSCFunction is not supported: {method}");
// } while (false);
// }
if (returnType == null || returnType == typeof(void))
{
// 方法本身没有返回值
this.BeginInvokeBinding();
cg.cs.AppendLine($"{this.GetInvokeBinding(caller, method, isVararg, isExtension, argc, parameters)};");
this.EndInvokeBinding();
var backVars = out_params.Count > 0 ? _WriteBackParametersByRef(isExtension, out_params, null) : null;
if (!method.IsStatic && method.DeclaringType.IsValueType) // struct 非静态方法 检查 Mutable 属性
{
if (!string.IsNullOrEmpty(caller))
{
cg.cs.AppendLine($"js_rebind_this(ctx, this_obj, {caller});");
}
}
if (string.IsNullOrEmpty(backVars))
{
this.InvokeVoidReturn();
}
else
{
cg.cs.AppendLine("return {0};", backVars);
}
}
else
{
var retVar = "ret"; // cs return value var name
var retJsVar = "ret_js";
this.BeginInvokeBinding();
cg.cs.AppendLine($"var {retVar} = {this.GetInvokeBinding(caller, method, isVararg, isExtension, argc, parameters)};");
this.EndInvokeBinding();
var retPusher = cg.AppendMethodReturnValuePusher(method, returnType, retVar);
cg.cs.AppendLine("var {0} = {1};", retJsVar, retPusher);
cg.cs.AppendLine("if (JSApi.JS_IsException({0}))", retJsVar);
using (cg.cs.Block())
{
cg.cs.AppendLine("return {0};", retJsVar);
}
var backVars = out_params.Count > 0 ? _WriteBackParametersByRef(isExtension, out_params, retJsVar) : retJsVar;
cg.cs.AppendLine("return {0};", backVars);
}
}
// 写入绑定代码
protected void WriteCSMethodBinding(MethodBaseBindingInfo <T> bindingInfo, T method, string argc, bool isVararg)
{
// 是否接管 cs 绑定代码生成
var transform = cg.bindingManager.GetTypeTransform(method.DeclaringType);
if (transform != null && transform.OnBinding(BindingPoints.METHOD_BINDING_FULL, method, cg))
{
return;
}
var parameters = method.GetParameters();
var isExtension = method.IsDefined(typeof(System.Runtime.CompilerServices.ExtensionAttribute));
var isRaw = method.IsDefined(typeof(JSCFunctionAttribute));
if (isExtension)
{
ArrayUtility.RemoveAt(ref parameters, 0);
}
var parametersByRef = new List <ParameterInfo>();
var caller = this.cg.AppendGetThisCS(method);
var returnType = GetReturnType(method);
if (isRaw)
{
do
{
if (!isExtension)
{
if (returnType == typeof(int) && parameters.Length == 1)
{
var p = parameters[0];
if (p.ParameterType == typeof(IntPtr) && !p.IsOut)
{
cg.cs.AppendLine($"return {caller}.{method.Name}(ctx);");
return;
}
}
cg.bindingManager.Error($"invalid JSCFunction definition: {method}");
break;
}
cg.bindingManager.Error($"Extension as JSCFunction is not supported: {method}");
} while (false);
}
if (returnType == null || returnType == typeof(void))
{
// 方法本身没有返回值
this.BeginInvokeBinding();
cg.cs.AppendLine($"{this.GetInvokeBinding(caller, method, isVararg, isExtension, argc, parameters, parametersByRef)};");
this.EndInvokeBinding();
if (parametersByRef.Count > 0)
{
_WriteBackParametersByRef(isExtension, parametersByRef);
}
if (!method.IsStatic && method.DeclaringType.IsValueType) // struct 非静态方法 检查 Mutable 属性
{
if (!string.IsNullOrEmpty(caller))
{
cg.cs.AppendLine($"js_rebind_this(ctx, this_obj, {caller});");
}
}
this.InvokeVoidReturn();
}
else
{
this.BeginInvokeBinding();
cg.cs.AppendLine($"var ret = {this.GetInvokeBinding(caller, method, isVararg, isExtension, argc, parameters, parametersByRef)};");
this.EndInvokeBinding();
if (parametersByRef.Count > 0)
{
_WriteBackParametersByRef(isExtension, parametersByRef);
}
var pusher = cg.AppendMethodReturnValuePusher(method, returnType, "ret");
cg.cs.AppendLine("return {0};", pusher);
}
}
