public AssemblyBuilder(bool verbose = true)
{
ExecBlocks = new List <BaseExecBlockContext>();
Symbols = new List <DatSymbol>();
_symbolsDict = new Dictionary <string, DatSymbol>();
_activeContext = null;
ActiveExecBlock = null;
_assignmentLeftSide = new List <SymbolInstruction>();
FuncCallCtx = null;
_nextStringSymbolNumber = 10000;
IsInsideConstDef = false;
IsCurrentlyParsingExternals = false;
IsInsideArgList = false;
IsInsideAssignment = false;
IsInsideReturnStatement = false;
AssignmentType = DatSymbolType.Undefined;
_nextSymbolIndex = 0;
_verbose = verbose;
Errors = new List <CompilationMessage>();
ErrorContext = new ErrorContext(this);
}
public void FuncCallStart(string funcName)
{
DatSymbol symbol = GetSymbolByName(funcName);
List <DatSymbolType> parametersTypes = new List <DatSymbolType>();
for (int i = 1; i <= symbol.ParametersCount; ++i)
{
DatSymbol parameter = Symbols[symbol.Index + i];
parametersTypes.Add(parameter.Type);
}
AssemblyInstruction instruction;
if (symbol.Flags.HasFlag(DatSymbolFlag.External))
{
instruction = new CallExternal(symbol);
}
else
{
instruction = new Call(symbol);
}
FuncCallCtx = new FuncCallContext(_activeContext, FuncCallCtx, parametersTypes, symbol);
_activeContext = FuncCallCtx;
_activeContext.SetEndInstruction(instruction);
IsInsideArgList = true;
}
public FuncCallContext(FuncCallContext ctx) : base(ctx.Parent)
{
_symbol = ctx._symbol;
_parametersTypes = ctx._parametersTypes;
ArgIndex = ctx.ArgIndex;
OuterCall = ctx.OuterCall;
_instructions = ctx._instructions;
}
public FuncCallContext(AssemblyBuilderContext parent, FuncCallContext outerCall, List <DatSymbolType> parametersTypes, DatSymbol symbol) : base(parent)
{
_symbol = symbol;
_parametersTypes = parametersTypes;
ArgIndex = -1;
OuterCall = outerCall;
_instructions = new List <AssemblyElement>();
}
public AssemblyBuilderSnapshot(AssemblyBuilder assemblyBuilder)
{
ActiveExecBlock = assemblyBuilder.ActiveExecBlock;
IsInsideArgList = assemblyBuilder.IsInsideArgList;
IsInsideAssignment = assemblyBuilder.IsInsideAssignment;
IsInsideIfCondition = assemblyBuilder.IsInsideIfCondition;
IsInsideReturnStatement = assemblyBuilder.IsInsideReturnStatement;
AssignmentType = assemblyBuilder.AssignmentType;
FuncCallCtx = assemblyBuilder.FuncCallCtx == null ? null : new FuncCallContext(assemblyBuilder.FuncCallCtx);
}
public void LoadStateFromSnapshot(AssemblyBuilderSnapshot snapshot)
{
ActiveExecBlock = snapshot.ActiveExecBlock;
IsInsideArgList = snapshot.IsInsideArgList;
IsInsideAssignment = snapshot.IsInsideAssignment;
IsInsideIfCondition = snapshot.IsInsideIfCondition;
IsInsideReturnStatement = snapshot.IsInsideReturnStatement;
AssignmentType = snapshot.AssignmentType;
FuncCallCtx = snapshot.FuncCallCtx;
}
public void FuncCallEnd()
{
List <AssemblyElement> instructions = _activeContext.GetInstructions();
FuncCallCtx = FuncCallCtx.OuterCall;
_activeContext = _activeContext.Parent;
AddInstructions(instructions);
if (FuncCallCtx == null)
{
IsInsideArgList = false;
}
}