/// <summary> /// Emit a mixin router from a class to the mixin body methods. /// </summary> public void emitMixinRouter(Method m) { string parent = FanUtil.toDotnetTypeName(m.parent()); string name = FanUtil.toDotnetMethodName(m.name()); string ret = FanUtil.toDotnetTypeName(m.inheritedReturns()); string[] parTypes = new string[] { parent }; List pars = m.@params(); int paramCount = pars.sz(); // find first param with default value int firstDefault = paramCount; for (int i=0; i<paramCount; i++) if (((Param)pars.get(i)).hasDefault()) { firstDefault = i; break; } // generate routers for (int i=firstDefault; i<=paramCount; i++) { string[] myParams = new string[i]; string[] myParamNames = new string[i]; string[] implParams = new string[i+1]; implParams[0] = parent; for (int j=0; j<i; j++) { Param param = (Param)m.@params().get(j); Type pt = param.type(); string s = FanUtil.toDotnetTypeName(pt); myParams[j] = s; myParamNames[j] = param.name(); implParams[j+1] = s; } // CLR requires public virtual PERWAPI.MethAttr attr = PERWAPI.MethAttr.Public | PERWAPI.MethAttr.Virtual; PERWAPI.CILInstructions code = emitter.emitMethod(name, ret, myParamNames, myParams, attr, new string[0], new string[0]); code.Inst(PERWAPI.Op.ldarg_0); // push this for (int p=0; p<i; p++) { // push args Param param = (Param)m.@params().get(p); FCodeEmit.loadVar(code, FanUtil.toDotnetStackType(param.type()), p+1); } PERWAPI.Method meth = emitter.findMethod(parent + "_", name, implParams, ret); code.MethInst(PERWAPI.MethodOp.call, meth); code.Inst(PERWAPI.Op.ret); } }