public static void DefineBuiltinFunctions(Scope scope, out FunctionDecNode printFunct, out FunctionDecNode printiFunct, out FunctionDecNode printlineFunct, out FunctionDecNode getCharFunct, out FunctionDecNode getlineFunct, out FunctionDecNode chrFunct, out FunctionDecNode sizeFunct, out FunctionDecNode substringFunct, out FunctionDecNode concatFunct, out FunctionDecNode notFunct, out FunctionDecNode exitFunct, out FunctionDecNode flushFunct, out FunctionDecNode ordFunct)
{
// print() Function
printFunct = new FunctionDecNode();
printFunct.Name = "print";
printFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "text" } };
printFunct.RelatedType = VoidType.VoidInstance;
scope.AddFunVar("print", printFunct);
// printline() Function
printlineFunct = new FunctionDecNode();
printlineFunct.Name = "printline";
printlineFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "text" } };
printlineFunct.RelatedType = VoidType.VoidInstance;
scope.AddFunVar("printline", printlineFunct);
// printi() Function
printiFunct = new FunctionDecNode();
printiFunct.Name = "printi";
printiFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "number" } };
printiFunct.RelatedType = VoidType.VoidInstance;
scope.AddFunVar("printi", printiFunct);
//getchar():string Function
getCharFunct = new FunctionDecNode();
getCharFunct.Name = "getchar";
getCharFunct.Arguments = new List<FunctionVariableDecNode>();
getCharFunct.RelatedType = StringType.StringInstance;
scope.AddFunVar("getchar", getCharFunct);
//getcharln():string Function
getlineFunct = new FunctionDecNode();
getlineFunct.Name = "getline";
getlineFunct.Arguments = new List<FunctionVariableDecNode>();
getlineFunct.RelatedType = StringType.StringInstance;
scope.AddFunVar("getline", getlineFunct);
//chr(i:int):string Function
chrFunct = new FunctionDecNode();
chrFunct.Name = "chr";
chrFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "number" } };
chrFunct.RelatedType = StringType.StringInstance;
scope.AddFunVar("chr", chrFunct);
//size(s:string): int Function
sizeFunct = new FunctionDecNode();
sizeFunct.Name = "size";
sizeFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "strg" } };
sizeFunct.RelatedType = IntType.IntInstance;
scope.AddFunVar("size", sizeFunct);
//substring(s:string , first:int, n:int): int Function
substringFunct = new FunctionDecNode();
substringFunct.Name = "substring";
substringFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "s" }, new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "first" }, new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "n" } };
substringFunct.RelatedType = StringType.StringInstance;
scope.AddFunVar("substring", substringFunct);
//concat(s1:string ,s1:string ):string Function
concatFunct = new FunctionDecNode();
concatFunct.Name = "concat";
concatFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "s1" }, new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "s2" } };
concatFunct.RelatedType = StringType.StringInstance;
scope.AddFunVar("concat", concatFunct);
//not(i:int ):int Function
notFunct = new FunctionDecNode();
notFunct.Name = "not";
notFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "i" } };
notFunct.RelatedType = IntType.IntInstance;
scope.AddFunVar("not", notFunct);
//exit(i:int ):int Function
exitFunct = new FunctionDecNode();
exitFunct.Name = "exit";
exitFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = IntType.IntInstance, VariableName = "exitcode" } };
exitFunct.RelatedType = VoidType.VoidInstance;
scope.AddFunVar("exit", exitFunct);
//flush () Function
flushFunct = new FunctionDecNode();
flushFunct.Name = "flush";
flushFunct.Arguments = new List<FunctionVariableDecNode>();
flushFunct.RelatedType = VoidType.VoidInstance;
scope.AddFunVar("flush", flushFunct);
//ord(s:string): int Function
ordFunct = new FunctionDecNode();
ordFunct.Name = "ord";
ordFunct.Arguments = new List<FunctionVariableDecNode>() { new FunctionVariableDecNode() { RelatedType = StringType.StringInstance, VariableName = "str" } };
ordFunct.RelatedType = IntType.IntInstance;
scope.AddFunVar("ord", ordFunct);
}
public static void GenerateBuiltinCode(FunctionDecNode printFunct, FunctionDecNode printiFunct, FunctionDecNode printlineFunct, FunctionDecNode getCharFunct, FunctionDecNode getlineFunct, FunctionDecNode chrFunct, FunctionDecNode sizeFunct, FunctionDecNode substringFunct, FunctionDecNode concatFunct, FunctionDecNode notFunct, FunctionDecNode exitFunct, FunctionDecNode flushFunct, FunctionDecNode ordFunct, TypeBuilder typeBuilder)
{
MethodBuilder methodBuilder;
ILGenerator ilGen;
// print(s:string) ----------------------------------------------------------
if (UsedFunctions.Contains("print"))
{
methodBuilder = typeBuilder.DefineMethod("print", MethodAttributes.Public | MethodAttributes.Static,
typeof (void), new Type[] {typeof (string)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("Write", new Type[] {typeof (string)}));
ilGen.Emit(OpCodes.Ret);
printFunct.MethodBuilder = methodBuilder;
}
// printline(s:string) ----------------------------------------------------------
if (UsedFunctions.Contains("printline"))
{
methodBuilder = typeBuilder.DefineMethod("printline", MethodAttributes.Public | MethodAttributes.Static,
typeof (void), new Type[] {typeof (string)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("WriteLine", new Type[] {typeof (string)}));
ilGen.Emit(OpCodes.Ret);
printlineFunct.MethodBuilder = methodBuilder;
}
// printi(i:int) ------------------------------------------------------------
if (UsedFunctions.Contains("printi"))
{
methodBuilder = typeBuilder.DefineMethod("printi", MethodAttributes.Public | MethodAttributes.Static,
typeof (void), new Type[] {typeof (int)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("Write", new Type[] {typeof (int)}));
ilGen.Emit(OpCodes.Ret);
printiFunct.MethodBuilder = methodBuilder;
}
// getchar():string ----------------------------------------------------------
if (UsedFunctions.Contains("getchar"))
{
methodBuilder = typeBuilder.DefineMethod("getchar", MethodAttributes.Public | MethodAttributes.Static,
typeof (string), new Type[] {});
ilGen = methodBuilder.GetILGenerator();
Label ok = ilGen.DefineLabel();
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("Read", new Type[] {}));
ilGen.Emit(OpCodes.Dup);
ilGen.Emit(OpCodes.Ldc_I4, 10);
ilGen.Emit(OpCodes.Bne_Un, ok);
ilGen.Emit(OpCodes.Pop); // sacar el 10
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("Read", new Type[] {}));
ilGen.Emit(OpCodes.Pop); // sacar el 13
ilGen.Emit(OpCodes.Ldstr, "");
ilGen.Emit(OpCodes.Ret);
ilGen.MarkLabel(ok);
ilGen.Emit(OpCodes.Conv_U2);
ilGen.Emit(OpCodes.Call, typeof (Char).GetMethod("ToString", new Type[] {typeof (char)}));
ilGen.Emit(OpCodes.Ret);
getCharFunct.MethodBuilder = methodBuilder;
}
// getline():string ----------------------------------------------------------
if (UsedFunctions.Contains("getline"))
{
methodBuilder = typeBuilder.DefineMethod("getline", MethodAttributes.Public | MethodAttributes.Static, typeof(string), new Type[] { });
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Call, typeof(Console).GetMethod("ReadLine", new Type[] { }));
ilGen.Emit(OpCodes.Ret);
getlineFunct.MethodBuilder = methodBuilder;
}
// chr(i:int):string --------------------------------------------------------
if (UsedFunctions.Contains("chr"))
{
methodBuilder = typeBuilder.DefineMethod("chr", MethodAttributes.Public | MethodAttributes.Static,
typeof (string), new Type[] {typeof (int)});
ilGen = methodBuilder.GetILGenerator();
Label error = ilGen.DefineLabel();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Dup);
ilGen.Emit(OpCodes.Ldc_I4_0);
ilGen.Emit(OpCodes.Blt, error);
ilGen.Emit(OpCodes.Dup);
ilGen.Emit(OpCodes.Ldc_I4, 256);
ilGen.Emit(OpCodes.Bge, error);
ilGen.Emit(OpCodes.Conv_U2);
ilGen.Emit(OpCodes.Call, typeof (Char).GetMethod("ToString", new Type[] {typeof (char)}));
ilGen.Emit(OpCodes.Ret);
ilGen.MarkLabel(error);
ilGen.ThrowException(typeof (ArgumentException));
chrFunct.MethodBuilder = methodBuilder;
}
// size(s:string):int ------------------------------------------------------
if (UsedFunctions.Contains("size"))
{
methodBuilder = typeBuilder.DefineMethod("size", MethodAttributes.Public | MethodAttributes.Static,
typeof (int), new Type[] {typeof (string)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Call, typeof (String).GetMethod("get_Length", Type.EmptyTypes));
ilGen.Emit(OpCodes.Ret);
sizeFunct.MethodBuilder = methodBuilder;
}
// substring(s:string , first:int, n:int): int ------------------------------
if (UsedFunctions.Contains("substring"))
{
methodBuilder = typeBuilder.DefineMethod("substring", MethodAttributes.Public | MethodAttributes.Static,
typeof (string),
new Type[] {typeof (string), typeof (int), typeof (int)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Ldarg_1);
ilGen.Emit(OpCodes.Ldarg_2);
ilGen.Emit(OpCodes.Call, typeof (String).GetMethod("Substring", new Type[] {typeof (int), typeof (int)}));
ilGen.Emit(OpCodes.Ret);
substringFunct.MethodBuilder = methodBuilder;
}
// concat(s1 : string ,s2 : string) : string --------------------------------
if (UsedFunctions.Contains("concat"))
{
methodBuilder = typeBuilder.DefineMethod("concat", MethodAttributes.Public | MethodAttributes.Static,
typeof (string), new Type[] {typeof (string), typeof (string)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Ldarg_1);
ilGen.Emit(OpCodes.Call,
typeof (String).GetMethod("Concat", new Type[] {typeof (string), typeof (string)}));
ilGen.Emit(OpCodes.Ret);
concatFunct.MethodBuilder = methodBuilder;
}
// not(i:int):int -----------------------------------------------------------
if (UsedFunctions.Contains("not"))
{
methodBuilder = typeBuilder.DefineMethod("not", MethodAttributes.Public | MethodAttributes.Static,
typeof (int), new Type[] {typeof (int)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldc_I4_0);
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Ceq);
ilGen.Emit(OpCodes.Ret);
notFunct.MethodBuilder = methodBuilder;
}
// exit(i:int):int ----------------------------------------------------------
if (UsedFunctions.Contains("exit"))
{
methodBuilder = typeBuilder.DefineMethod("exit", MethodAttributes.Public | MethodAttributes.Static,
typeof (void), new Type[] {typeof (int)});
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Call, typeof (System.Environment).GetMethod("Exit", new Type[] {typeof (int)}));
ilGen.Emit(OpCodes.Ret);
exitFunct.MethodBuilder = methodBuilder;
}
// flush() ------------------------------------------------------------------
if (UsedFunctions.Contains("flush"))
{
methodBuilder = typeBuilder.DefineMethod("flush", MethodAttributes.Public | MethodAttributes.Static,
typeof (void), Type.EmptyTypes);
ilGen = methodBuilder.GetILGenerator();
ilGen.Emit(OpCodes.Call, typeof (Console).GetMethod("get_Out", Type.EmptyTypes));
ilGen.Emit(OpCodes.Call, typeof (TextWriter).GetMethod("Flush", Type.EmptyTypes));
ilGen.Emit(OpCodes.Ret);
flushFunct.MethodBuilder = methodBuilder;
}
// ord(string):int ----------------------------------------------------------
if (UsedFunctions.Contains("ord"))
{
methodBuilder = typeBuilder.DefineMethod("ord", MethodAttributes.Public | MethodAttributes.Static,
typeof (int), new Type[] {typeof (string)});
ilGen = methodBuilder.GetILGenerator();
Label emptyStr = ilGen.DefineLabel();
ilGen.Emit(OpCodes.Ldarg_0);
ilGen.Emit(OpCodes.Dup);
ilGen.Emit(OpCodes.Call, typeof (String).GetMethod("get_Length", Type.EmptyTypes));
ilGen.Emit(OpCodes.Brfalse, emptyStr);
ilGen.Emit(OpCodes.Ldc_I4_0);
ilGen.Emit(OpCodes.Call, typeof (String).GetMethod("get_Chars", new Type[] {typeof (int)}));
ilGen.Emit(OpCodes.Ret);
ilGen.MarkLabel(emptyStr);
ilGen.Emit(OpCodes.Pop);
ilGen.Emit(OpCodes.Ldc_I4, -1);
ilGen.Emit(OpCodes.Ret);
ordFunct.MethodBuilder = methodBuilder;
}
}