public static void PrintFunctionDeclaration(ADFunctionDeclaration fceDeclaration, string globalAssigns = "")
{
Console.WriteLine($"{fceDeclaration.Name}:");
Console.WriteLine("pushq %rbp");
Console.WriteLine("movq %rsp, %rbp");
int argumentsCounter = 1;
foreach (var arg in fceDeclaration.Arguments)
{
argumentsCounter++;
arg.STRecord.Address = $"{argumentsCounter * SIZE}(%rbp)";
}
string arrayDeclarations = string.Empty;
int localVariablesCounter = GetAllLocalVariablesDeclarations(fceDeclaration.Body, 0, ref arrayDeclarations);
if (localVariablesCounter > 0)
{
Console.WriteLine($"subq ${localVariablesCounter * SIZE}, %rsp");
Console.WriteLine(arrayDeclarations);
}
var returnLabel = GenerateLabel();
if (fceDeclaration.Name.ToLower() == "main")
{
Console.WriteLine(globalAssigns);
}
foreach (IADNode node in fceDeclaration.Body)
{
PrintNode(node, "", "", returnLabel);
}
Console.WriteLine("movq $0, %rax");
Console.WriteLine($"{returnLabel}:");
Console.WriteLine($"movq %rbp, %rsp");
Console.WriteLine($"popq %rbp");
Console.WriteLine($"ret ${(argumentsCounter - 1) * SIZE}");
}
public static void PrintFunctionDeclaration(ADFunctionDeclaration declaration, string tab)
{
Console.WriteLine($"{tab}|- Function: {declaration.Name}");
if (declaration.Arguments.Count > 0)
{
Console.WriteLine($"{tab}\tArguments:");
foreach (var arg in declaration.Arguments)
{
Console.WriteLine($"{tab}\t\t\\-{arg.Name}");
}
}
if (declaration.Body.Count() > 0)
{
Console.WriteLine($"{tab}\tBody:");
foreach (var node in declaration.Body)
{
PrintNode(node, tab + "\t\t");
}
}
}
public static IADNode st_main()
{
var token = MainFSM.GetNextToken();
if (token.Type != TokenType.idType)
{
SyntaxError("Byl ocekavan identifikator funkce.");
}
if (STSearch(token.Attribute, true) != null)
{
SemanticError($"Funkce nebo globalni promenna se jmenem {token.Attribute} je j*z deklarovana.");
}
ADFunctionDeclaration fceDeclaration = new ADFunctionDeclaration()
{
Name = token.Attribute
};
var newRecord = new STRecord()
{
Access = STAccess.global,
Name = token.Attribute,
Type = STType.function,
Function = fceDeclaration
};
FunctionsST.Records.Add(newRecord);
if (MainFSM.GetNextToken().Type != TokenType.leftRBType)
{
SyntaxError("Byl ocekavan znak \'(\'");
}
var arguments = decl_arg();
var symbolTable = new STable();
foreach (var arg in arguments)
{
var stRecord = new STRecord()
{
Access = STAccess.local,
Name = arg,
Type = STType.variable
};
symbolTable.Records.Add(stRecord);
fceDeclaration.Arguments.Add(new ADVariable {
Name = arg, Type = ADVariable.VarType.variable, STRecord = stRecord
});
}
STablesStack.Push(symbolTable);
if (MainFSM.GetNextToken().Type != TokenType.leftCBType)
{
SyntaxError("Byl ocekavan znak \'{\'");
}
fceDeclaration.Body = statement_list(true);
if (MainFSM.GetNextToken().Type != TokenType.rightCBType)
{
SyntaxError("Byl ocekavan znak \'}\'");
}
STablesStack.Pop();
return(fceDeclaration);
}
public static void prog(ADTree tree)
{
STablesStack.Push(new STable());
var printLongFunction = new ADFunctionDeclaration()
{
Name = "print_long"
};
printLongFunction.Arguments.Add(new ADVariable());
var printNlFunction = new ADFunctionDeclaration()
{
Name = "print_nl"
};
var printCharFunction = new ADFunctionDeclaration()
{
Name = "print_char"
};
printCharFunction.Arguments.Add(new ADVariable());
FunctionsST.Records.Add(new STRecord()
{
Access = STAccess.global, Function = printLongFunction, Name = "print_long", Type = STType.function
});
FunctionsST.Records.Add(new STRecord()
{
Access = STAccess.global, Function = printNlFunction, Name = "print_nl", Type = STType.function
});
FunctionsST.Records.Add(new STRecord()
{
Access = STAccess.global, Function = printCharFunction, Name = "print_char", Type = STType.function
});
if (MainFSM.PeekNextToken().Type == TokenType.longType)
{
var global_declarations = global_decl_list();
tree.Nodes.Add(global_declarations);
}
if (MainFSM.PeekNextToken().Type == TokenType.idType)
{
var statements_list = st_main_list();
foreach (var item in statements_list)
{
tree.Nodes.Add(item);
}
}
if (MainFSM.PeekNextToken().Type == TokenType.eofType)
{
return;
}
else
{
SyntaxError("Byla ocekavana deklarace globalni promenne nebo funkce.");
}
}