chore: Initial commit

1 files changed, 0 insertions, 183 deletions

diff --git a/Compiler/visitors/Main.cs b/Compiler/visitors/Main.cs
deleted file mode 100644
index 3b32399..0000000
--- a/Compiler/visitors/Main.cs
+++ /dev/null
@@ -1,183 +0,0 @@
-namespace Q1.Compiler.visitors;
-
-using System.Text;
-using Antlr4.Runtime.Tree;
-using Q1.Emulator;
-
-public partial class CCompilerVisitor : CGrammarBaseVisitor<object?>
-{
-    private        int                                          _branchCount   = 1;
-    private        List<string>                                 _instructions  = new();
-    private        Stack<Dictionary<string, VariableReference>> _variableStack = new();
-    private        List<FunctionReference>                      _methods       = new();
-    private static int                                          _memLowest     = Q1Layout.FreeMemoryStart;
-    private static int                                          _memPointer    = CCompilerVisitor._memLowest;
-
-    private const int ColumnWidth = 30;
-
-    public readonly CommentCompilationMode CommentMode;
-
-    public CCompilerVisitor(CommentCompilationMode commentMode, Encoding encoding)
-    {
-        this.CommentMode = commentMode;
-        this.Encoding = encoding;
-    }
-
-    private string GenerateBranchLabel(string type)
-    {
-        return $"_{type}_{this._branchCount++}";
-    }
-    private void Instruction(string instruction, string? generatedComment = null)
-    {
-        this._instructions.Add($"    {instruction}");
-        if (generatedComment != null)
-            this.CommentLastInstruction(generatedComment);
-    }
-    private void Blank()
-    {
-        this._instructions.Add("");
-    }
-    private void Branch(string name, string? generatedComment = null)
-    {
-        this._instructions.Add($"{name}:");
-        if (generatedComment != null)
-            this.CommentLastInstruction(generatedComment);
-    }
-    private void UserComment(string comment)
-    {
-        if (this.CommentMode.HasFlag(CommentCompilationMode.UserDefined))
-            this._instructions.Add($"    ; {comment}");
-    }
-
-    private void GeneratedComment(string comment)
-    {
-        if (this.CommentMode.HasFlag(CommentCompilationMode.Generated))
-            this._instructions.Add($"{"".PadRight(CCompilerVisitor.ColumnWidth)}; {comment}");
-    }
-
-    private void CommentLastInstruction(string comment)
-    {
-        if (!this.CommentMode.HasFlag(CommentCompilationMode.Generated))
-            return;
-
-        if (this._instructions.Count == 0)
-            throw new Exception("Cannot add comment to last instruction, there are none");
-
-        string lastInstruction = this._instructions[^1];
-        lastInstruction = $"{lastInstruction.PadRight(CCompilerVisitor.ColumnWidth)}; {comment}";
-
-        this._instructions[^1] = lastInstruction;
-    }
-
-
-    public IEnumerable<string> Compile(CGrammarParser.ProgramContext program)
-    {
-        this.Instruction("jmp _main");
-        this.Visit(program);
-
-        foreach ((CGrammarParser.FunctionDefinitionContext context, 
-                     FunctionReference function, FunctionOverload overload, 
-                     List<string> paramNames, List<CType> paramTypes) in this._functionBodies)
-            this.VisitFunctionBody(context, function, overload, paramNames, paramTypes);
-
-        return this._instructions;
-    }
-
-    private Dictionary<string, VariableReference> EnterScope()
-    {
-        Dictionary<string, VariableReference> scope = new();
-        this._variableStack.Push(scope);
-
-        return scope;
-    }
-    private void ExitScope()
-    {
-        foreach ((string key, VariableReference value) in this._variableStack.Peek())
-        {
-            // CCompilerVisitor._memPointer -= value.Type.Size;
-            // if (CCompilerVisitor._memPointer < CCompilerVisitor._memLowest)
-            //     throw new CompilerException("Memory pointer is lower than mem lowest!");
-        }
-
-        // Delete scope
-        this._variableStack.Pop();
-    }
-
-    public void DynamicMove(CType type, string source, string dest, string? comment = null)
-    {
-        if (type.Size == 1)
-            this.Instruction($"movb {source}, {dest}", comment);
-        else if (type.Size == 2)
-            this.Instruction($"mov {source}, {dest}", comment);
-        else
-            throw new CompilerException($"Cannot move {type.Size} bytes {source} to {dest}");
-    }
-    
-    private CType VisitCType(CGrammarParser.TypeContext typeContext)
-    {
-        return GetCType(typeContext.GetText().Trim());
-    }
-    
-    private CType GetCType(string type)
-    {
-        return type switch
-        {
-            "int"                     => CType.Int,
-            "char"                    => CType.Char,
-            _ when type.EndsWith("*") => new CTypePtr(this.GetCType(type[..^1])),
-            _                         => throw new CompilerException($"Unknown CTYPE '{type}'")
-        };
-    }
-    
-    public override object? VisitErrorNode(IErrorNode node)
-    {
-        if (node.Symbol.Type == CGrammarParser.COMMENT)
-        {
-            // strip // and \n and whitespace
-            string comment = node
-                .Symbol.Text
-                .TrimStart("//")
-                .TrimEnd('\n')
-                .Trim();
-
-            this.UserComment(comment);
-        }
-        
-        if (node.Symbol.Type == CGrammarParser.DIRECTIVE)
-        {
-            // strip // and \n and whitespace
-            string directive = node
-                .Symbol.Text
-                .TrimStart("#")
-                .TrimEnd('\n')
-                .Trim();
-
-            this.Instruction(directive);
-        }
-
-        return base.VisitErrorNode(node);
-    }
-
-    public override object? Visit(IParseTree tree)
-    {
-        if (tree is Context childCtx && tree.Parent is Context ctx)
-            ctx.SyncProps(childCtx);
-
-        return base.Visit(tree);
-    }
-
-    /// <summary>
-    /// Basically identical to base version, except calls Visit on each child, making Visit not redundant.
-    /// </summary>
-    public override object? VisitChildren(IRuleNode node)
-    {
-        object? result = this.DefaultResult;
-        int childCount = node.ChildCount;
-        for (int i = 0; i < childCount && this.ShouldVisitNextChild(node, result); ++i)
-        {
-            object? nextResult = this.Visit(node.GetChild(i));
-            result = this.AggregateResult(result, nextResult);
-        }
-        return result;
-    }
-}
\ No newline at end of file