static bool IsScriptable(Symbol s)
{
if (s.argList.Contains("["))
return false;
if (IsBadType(s.type))
return false;
foreach (Parameter p in s.parameters)
if (IsBadType(p.type) || IsBadType(p.BasicType()))
return false;
foreach (string str in s.Comments())
if (str.Contains("[noscript]"))
return false;
if (s.returnComment != null && s.returnComment.Contains("[noscript]"))
return false;
return true;
}
/*
static void GenerateScriptClass(Symbol Class, TextWriter tw)
{
tw.WriteLine("class " + Class.name + "_scriptclass : public QScriptClass");
tw.WriteLine("{");
tw.WriteLine("public:");
tw.WriteLine(Indent(1) + "QScriptValue objectPrototype;");
tw.WriteLine(Indent(1) + Class.name + "_scriptclass(QScriptEngine *engine):QScriptClass(engine){}");
tw.WriteLine(Indent(1) + "QScriptValue property(const QScriptValue &object, const QScriptString &name, uint id)");
tw.WriteLine(Indent(1) + "{");
tw.WriteLine(Indent(2) + Class.name + " *This = TypeFromQScriptValue<" + Class.name + "*>(object);");
tw.WriteLine(Indent(2) + "if (!This) { printf(\"Error! Cannot convert QScriptValue to type " + Class.name + " in file %s, line %d!\\nTry using " + Class.name + ".get%s() and " + Class.name + ".set%s() to query the member variable '%s'!\\n\", __FILE__, __LINE__, Capitalize((QString)name).c_str(), Capitalize((QString)name).c_str(), ((QString)name).toStdString().c_str()); return QScriptValue(); }");
tw.WriteLine(Indent(2) + "QString name_ = (QString)name;");
foreach (Symbol v in Class.children)
if (v.kind == "variable" && IsScriptable(v) && v.visibilityLevel == VisibilityLevel.Public)
{
// tw.Write(Indent(2) + "if ((QString)name == (QString)\"" + v.name + "\")");
// Experimental: Access members directly using 'foo.x_' and 'foo.x_ptr'.
if (v.isStatic)
{
//tw.Write(Indent(2) + "if (name_ == \"" + v.name + "\")");
//tw.WriteLine(" return TypeToQScriptValue(engine(), This->" + v.name + ");");
}
else
{
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_\")");
tw.WriteLine(" return TypeToQScriptValue(engine(), This->" + v.name + ");");
if (!Symbol.IsPODType(v.type))
{
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_ptr\")");
tw.WriteLine(" return TypeToQScriptValue(engine(), &This->" + v.name + ");");
}
}
}
tw.WriteLine(Indent(2) + "return QScriptValue();");
tw.WriteLine(Indent(1) + "}");
tw.WriteLine(Indent(1) + "void setProperty(QScriptValue &object, const QScriptString &name, uint id, const QScriptValue &value)");
tw.WriteLine(Indent(1) + "{");
tw.WriteLine(Indent(2) + Class.name + " *This = TypeFromQScriptValue<" + Class.name + "*>(object);");
tw.WriteLine(Indent(2) + "if (!This) { printf(\"Error! Cannot convert QScriptValue to type " + Class.name + " in file %s, line %d!\\nTry using " + Class.name + ".get%s() and " + Class.name + ".set%s() to query the member variable '%s'!\\n\", __FILE__, __LINE__, Capitalize((QString)name).c_str(), Capitalize((QString)name).c_str(), ((QString)name).toStdString().c_str()); return; }");
tw.WriteLine(Indent(2) + "QString name_ = (QString)name;");
foreach (Symbol v in Class.children)
if (v.kind == "variable" && IsScriptable(v) && !v.IsConst() && v.visibilityLevel == VisibilityLevel.Public)
{
// tw.Write(Indent(2) + "if (name_ == (QString)\"" + v.name + "\")");
// tw.WriteLine(" This->" + v.name + " = TypeFromQScriptValue<" + v.type + ">(value);");
// Experimental: Access members directly using 'foo.x_' and 'foo.x_ptr'.
if (v.isStatic)
{
//tw.Write(Indent(2) + "if (name_ == \"" + v.name + "\")");
// tw.WriteLine(" This->" + v.name + " = TypeFromQScriptValue<" + v.type + ">(value);");
}
else
{
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_\")");
tw.WriteLine(" This->" + v.name + " = TypeFromQScriptValue<" + v.type + ">(value);");
if (!Symbol.IsPODType(v.type))
{
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_ptr\")");
tw.WriteLine(" This->" + v.name + " = *TypeFromQScriptValue<" + v.type + "*>(value);");
}
}
}
tw.WriteLine(Indent(1) + "}");
tw.WriteLine(Indent(1) + "QueryFlags queryProperty(const QScriptValue &object, const QScriptString &name, QueryFlags flags, uint *id)");
tw.WriteLine(Indent(1) + "{");
tw.WriteLine(Indent(2) + "QString name_ = (QString)name;");
foreach (Symbol v in Class.children)
if (v.kind == "variable" && IsScriptable(v) && v.visibilityLevel == VisibilityLevel.Public)
{
if (v.isStatic)
{
//tw.Write(Indent(2) + "if (name_ == \"" + v.name + "\")");
}
else
{
// tw.Write(Indent(2) + "if (name_ == \"" + v.name + "\")");
if (Symbol.IsPODType(v.type))
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_\")");
else
tw.Write(Indent(2) + "if (name_ == \"" + v.name + "_\" || name_ == \"" + v.name + "_ptr\")");
tw.WriteLine(" return flags;");
}
// tw.WriteLine(" return flags;");
}
tw.WriteLine(Indent(2) + "return 0;");
tw.WriteLine(Indent(1) + "}");
tw.WriteLine(Indent(1) + "QScriptValue prototype() const { return objectPrototype; }");
tw.WriteLine("};");
}
*/
static void GenerateClassFunction(Symbol function, TextWriter tw)
{
Symbol Class = function.parent;
tw.WriteLine("static QScriptValue " + GetScriptFunctionName(function) + "(QScriptContext *context, QScriptEngine *engine)");
tw.WriteLine("{");
int argIdx = 0;
bool isClassCtor = (function.name == Class.name);
if (function.name != "toString") // Qt oddities: It seems sometimes the hardcoded toString is called with this as the first argument and not as 'this'.
tw.WriteLine(Indent(1) + "if (context->argumentCount() != " + function.parameters.Count + ") { printf(\"Error! Invalid number of arguments passed to function " + GetScriptFunctionName(function) + " in file %s, line %d!\\nExpected " + function.parameters.Count + ", but got %d!\\n\", __FILE__, __LINE__, context->argumentCount()); PrintCallStack(context->backtrace()); return QScriptValue(); }");
// Test that we have a valid this.
if (!function.isStatic && !isClassCtor)
{
// tw.WriteLine(Indent(1) + Class.name + " *This = " + "TypeFromQScriptValue<" + Class.name + "*>(context->thisObject());");
// tw.WriteLine(Indent(1) + Class.name + " *This = " + "qscriptvalue_cast<" + Class.name + "*>(context->thisObject());");
if (function.name == "toString") // Qt oddities: It seems sometimes the hardcoded toString is called with this as the first argument and not as 'this'.
{
tw.WriteLine(Indent(1) + Class.name + " This;");
tw.WriteLine(Indent(1) + "if (context->argumentCount() > 0) This = qscriptvalue_cast<" + Class.name + ">(context->argument(0)); // Qt oddity (bug?): Sometimes the built-in toString() function doesn't give us this from thisObject, but as the first argument.");
tw.WriteLine(Indent(1) + "else This = qscriptvalue_cast<" + Class.name + ">(context->thisObject());");
}
else
tw.WriteLine(Indent(1) + Class.name + " This = " + "qscriptvalue_cast<" + Class.name + ">(context->thisObject());");
// tw.WriteLine(Indent(1) + "if (!This && context->argumentCount() > 0) This = TypeFromQScriptValue<" + Class.name + "*>(context->argument(0)); // Qt oddity (bug?): Sometimes the built-in toString() function doesn't give us this from thisObject, but as the first argument.");
// tw.WriteLine(Indent(1) + "if (!This) { printf(\"Error! Invalid context->thisObject in function " + GetScriptFunctionName(function) + " in file %s, line %d\\n!\", __FILE__, __LINE__); return QScriptValue(); }");
}
// Unmarshall all parameters to the function.
foreach (Parameter p in function.parameters)
tw.WriteLine(Indent(1) + p.BasicType() + " " + p.name + " = qscriptvalue_cast<" + p.BasicType() + ">(context->argument(" + (argIdx++) + "));");
// tw.WriteLine(Indent(1) + p.BasicType() + " " + p.name + " = TypeFromQScriptValue<" + p.BasicType() + ">(context->argument(" + (argIdx++) + "));");
if (isClassCtor) // Is this function a ctor of this class.
{
if (function.parameters.Count == 0)
{
bool needInitMemory = false;
string initSymbol = "";
// Check if default constructor does not initialize the member variables
foreach (string str in function.Comments())
if (str.Contains("default constructor does not initialize") || str.Contains("default ctor does not initialize") || str.Contains("with uninitialized member values"))
{
needInitMemory = true;
break;
}
foreach (string str in function.notes)
if (str.Contains("default constructor does not initialize") || str.Contains("default ctor does not initialize") || str.Contains("with uninitialized member values"))
{
needInitMemory = true;
break;
}
if (needInitMemory)
{
// Prefer "identity" initializer if exists (Quat & matrices), otherwise "zero"
foreach (Symbol child in Class.children)
{
if (child.name == "identity" && child.isStatic)
{
initSymbol = child.name;
break;
}
}
if (initSymbol.Length == 0)
{
foreach (Symbol child in Class.children)
{
if (child.name == "zero" && child.isStatic)
{
initSymbol = child.name;
break;
}
}
}
}
if (initSymbol.Length > 0)
tw.WriteLine(Indent(1) + Class.name + " ret(" + Class.name + "::" + initSymbol + ");");
else
{
tw.WriteLine(Indent(1) + Class.name + " ret;"); // Create a new instance of this class, no parameters.
if (needInitMemory)
tw.WriteLine(Indent(1) + "memset(&ret, 0, sizeof ret);");
}
}
else
tw.Write(Indent(1) + Class.name + " ret("); // Create a new instance of this class, one or more parameters.
}
else
{
string instanceName = (function.isStatic ? (Class.name + "::") : "This.");
// string instanceName = (function.isStatic ? (Class.name + "::") : "This->");
if (function.type != "void")
tw.Write(Indent(1) + function.type + " ret = " + instanceName + function.name + "("); // Make the function call.
else
tw.Write(Indent(1) + instanceName + function.name + "("); // Make the function call.
}
for (int i = 0; i < function.parameters.Count; ++i)
tw.Write(function.parameters[i].name + (i + 1 < function.parameters.Count ? ", " : ""));
if (!isClassCtor || function.parameters.Count > 0)
tw.WriteLine(");");
// If the function is non-const, regenerate the proper QScriptValue as the result.
if (!function.IsConst() && !function.isStatic && function.name != Class.name)
tw.WriteLine(Indent(1) + "ToExistingScriptValue_" + Class.name + "(engine, This, context->thisObject());");
// Return the return value as QScriptValue.
if (!isClassCtor)
{
if (function.type != "void")
// tw.WriteLine(Indent(1) + "return TypeToQScriptValue(engine, ret);");
tw.WriteLine(Indent(1) + "return qScriptValueFromValue(engine, ret);");
else
tw.WriteLine(Indent(1) + "return QScriptValue();");
}
else
{
// tw.WriteLine(Indent(1) + "return TypeToQScriptValue(engine, ret);");
tw.WriteLine(Indent(1) + "return qScriptValueFromValue(engine, ret);");
}
tw.WriteLine("}");
tw.WriteLine("");
}