void GenerateCppImplMethodDeclarationForNs(MethodPlan met, CodeStringBuilder stbuilder)
{
CodeMethodDeclaration metDecl = met.metDecl;
stbuilder.AppendLine("//CefHandlerTx::GenerateCppImplMethodDeclarationForNs ," + (++codeGenNum));
stbuilder.AppendLine("//gen! " + metDecl.ToString());
//---------------------------
//temp
switch (metDecl.ReturnType.ToString())
{
case "FilterStatus":
stbuilder.Append(metDecl.ReturnType.ResolvedType + " " + metDecl.Name + "(");
break;
case "ReturnValue":
string ownerType = met.metDecl.OwnerTypeDecl.Name;
stbuilder.Append(ownerType + "::" + metDecl.ReturnType + " " + metDecl.Name + "(");
break;
default:
stbuilder.Append(metDecl.ReturnType + " " + metDecl.Name + "(");
break;
}
List <CodeMethodParameter> pars = metDecl.Parameters;
//first par is managed callback
stbuilder.Append("managed_callback mcallback");
int j = pars.Count;
for (int i = 0; i < j; ++i)
{
stbuilder.Append(",");
CodeMethodParameter par = pars[i];
if (par.IsConstPar)
{
stbuilder.Append("const ");
}
//parameter type
stbuilder.Append(par.ParameterType.ResolvedType.FullName + " ");
stbuilder.Append(par.ParameterName);
}
stbuilder.AppendLine(");");
}
public void PatchCppMethod(CodeCompilationUnit cu, string writeNewCodeToFile, string backupFolder)
{
//cef specific code
firstNamespaceStartAt = 0;
this.cu = cu;
methods = new List <CodeMethodDeclaration>();
CollectImplMethods();
string onlyFileName = Path.GetFileName(cu.Filename);
simpleLineList.Clear();
simpleLineList.AddRange(File.ReadAllLines(cu.Filename));
//
//check if this file is patched or not
if (CheckIfThisFileIsPatched(simpleLineList))
{
throw new NotSupportedException();
}
int classCutAt = onlyFileName.IndexOf("_cpptoc.");
string c_className = onlyFileName.Substring(0, classCutAt);
int c_classNameLen = c_className.Length;
string cppClassName = "Cef" + ConvertToCppName(c_className);
string cppExtNamespaceName = cppClassName + "Ext";
for (int i = methods.Count - 1; i >= 0; --i) //backward, since we are going to insert a new line to the line list
{
CodeMethodDeclaration metDecl = methods[i];
MultiPartCodeMethodBody metBody = ParseCppMethodBody(metDecl);
//
StringBuilder newCodeStBuilder = new StringBuilder();
int methodCutAt = c_classNameLen + 1;
string c_methodName = metDecl.Name.Substring(methodCutAt);
string cppMethodName = ConvertToCppName(c_methodName);
//eg.
//(CefDisplayHandlerExt::_typeName << 16) | CefDisplayHandlerExt::CefDisplayHandlerExt_OnAddressChange_1, &args1.arg);
string metNameConst = "(" + cppExtNamespaceName + "::_typeName << 16) | " + cppExtNamespaceName + "::" + cppExtNamespaceName + "_" + cppMethodName + "_" + (i + 1);
newCodeStBuilder.AppendLine("//---kneadium-ext-begin" + (++codeNum));
newCodeStBuilder.AppendLine("#if ENABLE_KNEADIUM_EXT");
//some method parameters may need special preparation.
newCodeStBuilder.AppendLine("auto me = " + cppClassName + "CppToC::Get(self);");
newCodeStBuilder.AppendLine("const int CALLER_CODE=" + metNameConst + ";");
newCodeStBuilder.AppendLine("auto m_callback= me->GetManagedCallBack(CALLER_CODE);");
newCodeStBuilder.AppendLine("if(m_callback){"); //TODO: + method filter
int parCount = metDecl.Parameters.Count;
List <string> argCodeList = new List <string>();
for (int a = 1; a < parCount; ++a)
{
//start at 1
CodeMethodParameter par = metDecl.Parameters[a];
string parType = par.ParameterType.ToString();
//check if we need parameter translation
switch (parType)
{
default:
{
CodeMethodBodyCodePart found;
if (metBody.TryGetTranslateParameter(par.ParameterName, out found))
{
if (found.IsList)
{
//cef-specific
//note the prev var
CodeMethodParameter prev_par = metDecl.Parameters[a - 1];
prev_par.SkipCodeGen = true;
}
argCodeList.Add(found.ReplacedParExpression);
}
else
{
argCodeList.Add(par.ParameterName);
}
//-----------------
}
break;
case "_cef_v8value_t**":
{
argCodeList.Add(par.ParameterName);
}
break;
case "cef_string_list_t":
{
//cef-specific
//new var name
argCodeList.Add("&" + par.ParameterName + "List");
}
break;
case "cef_string_t*":
{
string newArgName = "tmp_arg" + a;
newCodeStBuilder.AppendLine("CefString " + newArgName + " (" + par.ParameterName + ");");
if (par.IsConstPar)
{
argCodeList.Add(newArgName);
}
else
{
argCodeList.Add("&" + newArgName);
}
}
break;
}
}
//prepare cpp' method args
//convention
if (parCount < 2)
{
newCodeStBuilder.AppendLine(cppExtNamespaceName + "::" + cppMethodName + "Args args1;");
}
else
{
newCodeStBuilder.Append(cppExtNamespaceName + "::" + cppMethodName + "Args args1(");
for (int a = 1; a < parCount; ++a)
{
CodeMethodParameter par = metDecl.Parameters[a];
if (par.SkipCodeGen)
{
continue;
}
//
if (a > 1)
{
newCodeStBuilder.Append(',');
}
//start at 1
newCodeStBuilder.Append(argCodeList[a - 1]);
}
newCodeStBuilder.AppendLine(");");
}
//
//invoke managed del
//cef-specific
newCodeStBuilder.Append("m_callback(CALLER_CODE, &args1.arg);");
newCodeStBuilder.AppendLine();
//----------------------------------------------------------------------------
newCodeStBuilder.AppendLine(" if (((args1.arg.myext_flags >> 21) & 1) == 1){");
string retType = metDecl.ReturnType.ToString();
if (retType != "void")
{
//the event is handled by user code
//before return we must check some restore parts
List <CodeMethodBodyCodePart> restoreParts = metBody.GetRestoreParts();
if (restoreParts != null)
{
int rcount = restoreParts.Count;
for (int r = 0; r < rcount; ++r)
{
newCodeStBuilder.AppendLine(restoreParts[r].GetStringBlock());
}
}
//check some special value
if (retType.EndsWith("_t*"))
{
//
string cppNm = ConvertToCppName(retType.Substring(0, retType.Length - 3));
//temp fix, TODO: review here again
//CefCookieManager
if (cppNm == "CefCookieManager")
{
newCodeStBuilder.AppendLine(" return " + cppNm + "CToCpp::Unwrap(args1.arg.myext_ret_value);");
}
else
{
newCodeStBuilder.AppendLine(" return " + cppNm + "CppToC::Wrap(args1.arg.myext_ret_value);");
}
}
else
{
newCodeStBuilder.AppendLine(" return args1.arg.myext_ret_value;");
}
}
else
{
newCodeStBuilder.AppendLine("return;");
}
newCodeStBuilder.AppendLine("}");
//method return value may need special preparation.
newCodeStBuilder.AppendLine("}"); //TODO: + method filter
newCodeStBuilder.AppendLine("#endif"); //#if ENABLE_KNEADIUM_EXT");
newCodeStBuilder.AppendLine("//---kneadium-ext-end");
//-----
//find insert point
if (!metDecl.HasMethodBody)
{
throw new NotSupportedException();
}
int insertAtLine = FindProperInsertPoint(simpleLineList, metDecl.StartAtLine, metDecl.EndAtLine);
if (insertAtLine > 0)
{
//just replace
simpleLineList.Insert(insertAtLine, newCodeStBuilder.ToString());
}
//-----
}
//insert header
simpleLineList.Insert(firstNamespaceStartAt,
"//---kneadium-ext-begin\r\n" +
"#include \"../myext/ExportFuncAuto.h\"\r\n" +
"#include \"../myext/InternalHeaderForExportFunc.h\"\r\n" +
"//---kneadium-ext-end\r\n");
simpleLineList.Insert(0, "//---THIS-FILE-WAS-PATCHED , org=" + cu.Filename);
////save the modified file
if (writeNewCodeToFile != null)
{
//target must exist
if (!File.Exists(writeNewCodeToFile))
{
throw new NotSupportedException();
}
//backup org file
File.Copy(writeNewCodeToFile, backupFolder + "\\" + onlyFileName + ".backup.txt", true);
//then write the new one
using (FileStream fs = new FileStream(writeNewCodeToFile, FileMode.Create))
using (StreamWriter w = new StreamWriter(fs))
{
int j = simpleLineList.Count;
for (int i = 0; i < j; ++i)
{
w.WriteLine(simpleLineList[i]);
}
w.Close();
}
}
}
void GenerateCppImplMethodForNs(MethodPlan met, CodeStringBuilder stbuilder)
{
CodeMethodDeclaration metDecl = met.metDecl;
stbuilder.AppendLine("//CefHandlerTx::GenerateCppImplMethodForNs ," + (++codeGenNum));
stbuilder.AppendLine("//gen! " + metDecl.ToString());
//---------------------------
//temp
if (metDecl.ReturnType.ToString() == "FilterStatus")
{
stbuilder.Append(metDecl.ReturnType.ResolvedType + " " + metDecl.Name + "(");
}
else if (metDecl.ReturnType.ToString() == "ReturnValue")
{
string ownerName = metDecl.OwnerTypeDecl.Name;
stbuilder.Append(ownerName + "::" + metDecl.ReturnType + " " + metDecl.Name + "(");
}
else
{
stbuilder.Append(metDecl.ReturnType + " " + metDecl.Name + "(");
}
List <CodeMethodParameter> pars = metDecl.Parameters;
int j = pars.Count;
//transfer data slot
bool hasSomeOutVars = false;
CppTempParameterSlot[] dataTransferSlots = new CppTempParameterSlot[j];
for (int i = 0; i < j; ++i)
{
CppTempParameterSlot transferSlot = new CppTempParameterSlot();
CodeMethodParameter par = pars[i];
transferSlot.par = pars[i];
dataTransferSlots[i] = transferSlot;
//
//
string parTypeName = par.ParameterType.ToString();
if (parTypeName == "CefRefPtr<CefV8Value>&")
{
if (!par.IsConstPar)
{
transferSlot.newVarName = "temp_" + i;
transferSlot.preStmt = "auto " + transferSlot.newVarName + "=" + "CefV8ValueCToCpp::Unwrap(" + transferSlot.par.ParameterName + ");";
transferSlot.postStmt = transferSlot.par.ParameterName + "= CefV8ValueCToCpp::Wrap(" + transferSlot.newVarName + ");";
transferSlot.isCppOutVar = true;
hasSomeOutVars = true;
}
}
else if (parTypeName == "CefString&")
{
if (!par.IsConstPar)
{
transferSlot.newVarName = "temp_" + i;
transferSlot.preStmt = "auto " + transferSlot.newVarName + "=" + transferSlot.par.ParameterName + ";";
transferSlot.postStmt = transferSlot.par.ParameterName + "=" + transferSlot.newVarName + ";";
transferSlot.isCppOutVar = true;
hasSomeOutVars = true;
}
}
}
//first par is managed callback
stbuilder.Append("managed_callback mcallback");
for (int i = 0; i < j; ++i)
{
stbuilder.Append(",");
CodeMethodParameter par = pars[i];
if (par.IsConstPar)
{
stbuilder.Append("const ");
}
//parameter type
stbuilder.Append(par.ParameterType.ResolvedType.FullName + " ");
stbuilder.Append(par.ParameterName);
}
stbuilder.AppendLine("){");
//-----------
for (int i = 0; i < j; ++i)
{
MethodParameter parTx = met.pars[i];
parTx.ClearExtractCode();
PrepareDataFromNativeToCs(parTx, "&vargs[" + (i + 1) + "]", parTx.Name, true);
}
//method body
//-----------------------------
//use native C data slot
stbuilder.AppendLine("if(mcallback){");
//'out' vars
if (hasSomeOutVars)
{
//temp,
for (int i = 0; i < j; ++i)
{
CppTempParameterSlot transferSlot = dataTransferSlots[i];
if (transferSlot.isCppOutVar)
{
stbuilder.AppendLine(transferSlot.preStmt);
}
}
}
//-----------------------------
//
string metArgsClassName = metDecl.Name + "Args";
stbuilder.Append(metArgsClassName + " args1");
//with ctors
if (j == 0)
{
stbuilder.AppendLine(";");
}
else
{
stbuilder.Append("(");
for (int i = 0; i < j; ++i)
{
if (i > 0)
{
stbuilder.Append(",");
}
//
MethodParameter par = met.pars[i];
CppTempParameterSlot transferSlot = dataTransferSlots[i];
if (transferSlot.isCppOutVar)
{
stbuilder.Append("&" + transferSlot.newVarName);
}
else
{
//temp
string parType = par.TypeSymbol.ToString();
if (parType.EndsWith("&"))
{
stbuilder.Append("&");
}
stbuilder.Append(par.Name);
}
}
stbuilder.AppendLine(");");
}
stbuilder.AppendLine("mcallback( (_typeName << 16) | " + met.CppMethodSwitchCaseName + ",&args1.arg);");
//------
//'out' vars
if (hasSomeOutVars)
{
//temp,
for (int i = 0; i < j; ++i)
{
CppTempParameterSlot transferSlot = dataTransferSlots[i];
if (transferSlot.isCppOutVar)
{
stbuilder.AppendLine(transferSlot.postStmt);
}
}
}
//temp fix, arg extract code
if (!met.ReturnPlan.IsVoid)
{
stbuilder.AppendLine("return args1.arg.myext_ret_value;");
}
stbuilder.AppendLine("}");
//-------------------
//default return if no managed callback
if (!met.ReturnPlan.IsVoid)
{
string retTypeName = metDecl.ReturnType.ToString();
if (retTypeName.StartsWith("CefRefPtr<"))
{
stbuilder.Append("return nullptr;");
}
else
{
switch (metDecl.ReturnType.ToString())
{
case "bool":
stbuilder.Append("return false;");
break;
case "FilterStatus": //TODO: revisit here
stbuilder.Append("return (FilterStatus)0;");
break;
case "ReturnValue":
{
string ownerName = metDecl.OwnerTypeDecl.Name;
stbuilder.Append("return (" + ownerName + "::ReturnValue)0;");
}
break;
case "CefSize":
stbuilder.Append("return CefSize();");
break;
case "size_t":
stbuilder.Append("return 0;");
break;
case "int":
stbuilder.Append("return 0;");
break;
case "int64":
stbuilder.Append("return 0;");
break;
default:
throw new NotSupportedException();
}
}
}
stbuilder.AppendLine("}"); //method
}