Ast editor unit refactoring

This commit is contained in:
Michael Schimmel
2025-11-28 13:45:33 +01:00
parent 13b2ef3bf0
commit 833ce8aada
11 changed files with 2063 additions and 2643 deletions
File diff suppressed because one or more lines are too long
+5 -4
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@@ -12,9 +12,6 @@ uses
Myc.Ast.RTL in '..\Src\AST\Myc.Ast.RTL.pas',
Myc.Ast.Dumper in '..\Src\AST\Myc.Ast.Dumper.pas',
Myc.Ast.RTL.Core in '..\Src\AST\Myc.Ast.RTL.Core.pas',
Myc.Fmx.AstEditor.Node in 'Myc.Fmx.AstEditor.Node.pas',
Myc.Fmx.AstEditor.Workspace in 'Myc.Fmx.AstEditor.Workspace.pas',
Myc.Fmx.AstEditor.Text in 'Myc.Fmx.AstEditor.Text.pas',
Myc.Utils in '..\Src\Myc.Utils.pas',
Myc.Ast.Script in '..\Src\AST\Myc.Ast.Script.pas',
Myc.Ast.Types in '..\Src\AST\Myc.Ast.Types.pas',
@@ -28,7 +25,11 @@ uses
Myc.Ast.Environment in '..\Src\AST\Myc.Ast.Environment.pas',
Myc.Ast.Debugger in '..\Src\AST\Myc.Ast.Debugger.pas',
Myc.Ast.Analysis.Purity in '..\Src\AST\Myc.Ast.Analysis.Purity.pas',
Myc.Ast.Identities in '..\Src\AST\Myc.Ast.Identities.pas';
Myc.Ast.Identities in '..\Src\AST\Myc.Ast.Identities.pas',
Myc.Fmx.AstEditor.Core in '..\Src\AST\Myc.Fmx.AstEditor.Core.pas',
Myc.Fmx.AstEditor.Handlers in '..\Src\AST\Myc.Fmx.AstEditor.Handlers.pas',
Myc.Fmx.AstEditor.Visualizer in '..\Src\AST\Myc.Fmx.AstEditor.Visualizer.pas',
Myc.Fmx.AstEditor.Workspace in '..\Src\AST\Myc.Fmx.AstEditor.Workspace.pas';
{$R *.res}
+4 -3
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@@ -142,9 +142,6 @@
<DCCReference Include="..\Src\AST\Myc.Ast.RTL.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.Dumper.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.RTL.Core.pas"/>
<DCCReference Include="Myc.Fmx.AstEditor.Node.pas"/>
<DCCReference Include="Myc.Fmx.AstEditor.Workspace.pas"/>
<DCCReference Include="Myc.Fmx.AstEditor.Text.pas"/>
<DCCReference Include="..\Src\Myc.Utils.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.Script.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.Types.pas"/>
@@ -159,6 +156,10 @@
<DCCReference Include="..\Src\AST\Myc.Ast.Debugger.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.Analysis.Purity.pas"/>
<DCCReference Include="..\Src\AST\Myc.Ast.Identities.pas"/>
<DCCReference Include="..\Src\AST\Myc.Fmx.AstEditor.Core.pas"/>
<DCCReference Include="..\Src\AST\Myc.Fmx.AstEditor.Handlers.pas"/>
<DCCReference Include="..\Src\AST\Myc.Fmx.AstEditor.Visualizer.pas"/>
<DCCReference Include="..\Src\AST\Myc.Fmx.AstEditor.Workspace.pas"/>
<BuildConfiguration Include="Base">
<Key>Base</Key>
</BuildConfiguration>
+1 -1
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@@ -32,7 +32,7 @@ uses
Myc.Ast.Script,
FMX.Layouts,
FMX.Objects,
Myc.Fmx.AstEditor.Node,
Myc.Fmx.AstEditor.Core,
Myc.Fmx.AstEditor.Workspace,
FMX.DialogService,
FMX.ListView.Types,
File diff suppressed because it is too large Load Diff
-265
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@@ -1,265 +0,0 @@
unit Myc.Fmx.AstEditor.Text;
interface
uses
System.SysUtils,
Myc.Data.Value,
Myc.Data.Scalar,
Myc.Ast.Visitor,
Myc.Ast.Nodes;
type
// This visitor converts an AST expression subtree into a single string.
// It inherits from the generic visitor, returning a 'string' for each node.
TAstToTextVisitor = class(TAstVisitor<string>)
protected
function VisitConstant(const Node: IConstantNode): string; override;
function VisitIdentifier(const Node: IIdentifierNode): string; override;
function VisitKeyword(const Node: IKeywordNode): string; override;
function VisitIfExpression(const Node: IIfExpressionNode): string; override;
function VisitTernaryExpression(const Node: ITernaryExpressionNode): string; override;
function VisitLambdaExpression(const Node: ILambdaExpressionNode): string; override;
function VisitMacroDefinition(const Node: IMacroDefinitionNode): string; override;
function VisitFunctionCall(const Node: IFunctionCallNode): string; override;
function VisitMacroExpansionNode(const Node: IMacroExpansionNode): string; override;
function VisitBlockExpression(const Node: IBlockExpressionNode): string; override;
function VisitVariableDeclaration(const Node: IVariableDeclarationNode): string; override;
function VisitAssignment(const Node: IAssignmentNode): string; override;
function VisitIndexer(const Node: IIndexerNode): string; override;
function VisitMemberAccess(const Node: IMemberAccessNode): string; override;
function VisitQuasiquote(const Node: IQuasiquoteNode): string; override;
function VisitUnquote(const Node: IUnquoteNode): string; override;
function VisitUnquoteSplicing(const Node: IUnquoteSplicingNode): string; override;
function VisitCreateSeries(const Node: ICreateSeriesNode): string; override;
function VisitAddSeriesItem(const Node: IAddSeriesItemNode): string; override;
function VisitSeriesLength(const Node: ISeriesLengthNode): string; override;
function VisitRecurNode(const Node: IRecurNode): string; override;
function VisitRecordLiteral(const Node: IRecordLiteralNode): string; override;
end;
implementation
uses
System.Classes, // For TStringBuilder
Myc.Data.Keyword;
{ TAstToTextVisitor }
function TAstToTextVisitor.VisitAddSeriesItem(const Node: IAddSeriesItemNode): string;
var
seriesStr, valueStr, lookbackStr: string;
begin
seriesStr := Accept(Node.Series);
valueStr := Accept(Node.Value);
lookbackStr := '';
if Assigned(Node.Lookback) then
lookbackStr := ', ' + Accept(Node.Lookback);
Result := Format('%s.add(%s%s)', [seriesStr, valueStr, lookbackStr]);
end;
function TAstToTextVisitor.VisitAssignment(const Node: IAssignmentNode): string;
begin
Result := Accept(Node.Target) + ' := ' + Accept(Node.Value);
end;
function TAstToTextVisitor.VisitBlockExpression(const Node: IBlockExpressionNode): string;
begin
Result := '{...}';
end;
function TAstToTextVisitor.VisitConstant(const Node: IConstantNode): string;
begin
Result := Node.Value.ToString;
end;
function TAstToTextVisitor.VisitCreateSeries(const Node: ICreateSeriesNode): string;
begin
Result := 'new series(' + Node.Definition + ')';
end;
function TAstToTextVisitor.VisitFunctionCall(const Node: IFunctionCallNode): string;
var
i: Integer;
sb: TStringBuilder;
calleeStr: string;
begin
calleeStr := Accept(Node.Callee);
sb := TStringBuilder.Create;
try
sb.Append(calleeStr);
sb.Append('(');
for i := 0 to High(Node.Arguments) do
begin
sb.Append(Accept(Node.Arguments[i]));
if i < High(Node.Arguments) then
sb.Append(', ');
end;
sb.Append(')');
Result := sb.ToString;
finally
sb.Free;
end;
end;
function TAstToTextVisitor.VisitMacroExpansionNode(const Node: IMacroExpansionNode): string;
begin
// To represent a macro expansion as a single line of text, the most
// informative representation is the original call itself. We can simply
// delegate to the VisitFunctionCall implementation to format it.
Result := VisitFunctionCall(Node.CallNode);
end;
function TAstToTextVisitor.VisitRecurNode(const Node: IRecurNode): string;
var
i: Integer;
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
try
sb.Append('recur(');
for i := 0 to High(Node.Arguments) do
begin
sb.Append(Accept(Node.Arguments[i]));
if i < High(Node.Arguments) then
sb.Append(', ');
end;
sb.Append(')');
Result := sb.ToString;
finally
sb.Free;
end;
end;
function TAstToTextVisitor.VisitIdentifier(const Node: IIdentifierNode): string;
begin
Result := Node.Name;
end;
function TAstToTextVisitor.VisitIfExpression(const Node: IIfExpressionNode): string;
begin
Result := Accept(Node.Condition);
end;
function TAstToTextVisitor.VisitIndexer(const Node: IIndexerNode): string;
var
baseStr, indexStr: string;
begin
baseStr := Accept(Node.Base);
indexStr := Accept(Node.Index);
Result := Format('%s[%s]', [baseStr, indexStr]);
end;
function TAstToTextVisitor.VisitKeyword(const Node: IKeywordNode): string;
begin
Result := ':' + Node.Value.Name;
end;
function TAstToTextVisitor.VisitLambdaExpression(const Node: ILambdaExpressionNode): string;
var
i: Integer;
sb: TStringBuilder;
begin
sb := TStringBuilder.Create;
try
sb.Append(WideChar($03BB) + '('); // Lambda char
if Length(Node.Parameters) > 0 then
begin
for i := 0 to High(Node.Parameters) do
begin
sb.Append(Node.Parameters[i].Name);
if i < High(Node.Parameters) then
sb.Append(', ');
end;
end;
sb.Append(') => {...}');
Result := sb.ToString;
finally
sb.Free;
end;
end;
function TAstToTextVisitor.VisitMacroDefinition(const Node: IMacroDefinitionNode): string;
var
i: Integer;
sb: TStringBuilder;
begin
// Added text representation for macro definitions.
sb := TStringBuilder.Create;
try
sb.Append('defmacro ');
sb.Append(Node.Name.Name);
sb.Append('(');
if Length(Node.Parameters) > 0 then
begin
for i := 0 to High(Node.Parameters) do
begin
sb.Append(Node.Parameters[i].Name);
if i < High(Node.Parameters) then
sb.Append(', ');
end;
end;
sb.Append(') => {...}');
Result := sb.ToString;
finally
sb.Free;
end;
end;
function TAstToTextVisitor.VisitMemberAccess(const Node: IMemberAccessNode): string;
var
baseStr: string;
begin
baseStr := Accept(Node.Base);
Result := Format('%s.%s', [baseStr, Node.Member.Value.Name]);
end;
function TAstToTextVisitor.VisitQuasiquote(const Node: IQuasiquoteNode): string;
begin
Result := '`' + Accept(Node.Expression);
end;
function TAstToTextVisitor.VisitRecordLiteral(const Node: IRecordLiteralNode): string;
begin
Result := '{...}';
end;
function TAstToTextVisitor.VisitUnquote(const Node: IUnquoteNode): string;
begin
Result := '~' + Accept(Node.Expression);
end;
function TAstToTextVisitor.VisitUnquoteSplicing(const Node: IUnquoteSplicingNode): string;
begin
Result := '~@' + Accept(Node.Expression);
end;
function TAstToTextVisitor.VisitSeriesLength(const Node: ISeriesLengthNode): string;
var
seriesStr: string;
begin
seriesStr := Accept(Node.Series);
Result := Format('length(%s)', [seriesStr]);
end;
function TAstToTextVisitor.VisitTernaryExpression(const Node: ITernaryExpressionNode): string;
begin
var condStr := Accept(Node.Condition);
var thenStr := Accept(Node.ThenBranch);
var elseStr := Accept(Node.ElseBranch);
Result := Format('(%s ? %s : %s)', [condStr, thenStr, elseStr]);
end;
function TAstToTextVisitor.VisitVariableDeclaration(const Node: IVariableDeclarationNode): string;
var
initStr: string;
begin
if Assigned(Node.Initializer) then
initStr := ' := ' + Accept(Node.Initializer)
else
initStr := '';
Result := 'var ' + Accept(Node.Target) + initStr;
end;
end.
+706
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@@ -0,0 +1,706 @@
unit Myc.Fmx.AstEditor.Core;
interface
uses
System.SysUtils,
System.Classes,
System.UITypes,
System.Types,
System.Math,
System.Math.Vectors,
System.Generics.Defaults,
System.Generics.Collections,
FMX.Types,
FMX.Controls,
FMX.Objects,
FMX.Graphics,
FMX.StdCtrls,
Myc.Ast.Nodes,
Myc.Fmx.AstEditor.Workspace;
const
cNodePadding = 10;
cTitleTopPadding = 2;
cTitleBottomPadding = 4;
cMinNodeWidth = 10;
cMinNodeHeight = 10;
type
TAuraNode = class; // Forward declaration
// This aggregate interface encapsulates all node-specific logic.
IAuraNodeHandler = interface
// Gets the original logical AST node
function GetAstNode: IAstNode;
// Creates the specific FMX UI for this node
procedure BuildUI(OwnerNode: TAuraNode);
// Reconstructs the logical AST node from the FMX UI state
function ReconstructAst(OwnerNode: TAuraNode): IAstNode;
// The original logical AST node
property Node: IAstNode read GetAstNode;
end;
IAstVisualizer = interface
{$region 'private'}
function GetExprDepth: Integer;
function GetParentControl: TControl;
function GetWorkspace: TAuraWorkspace;
{$endregion}
function Clone(ParentControl: TControl; ExprDepth: Integer): IAstVisualizer;
function CallAccept(const Node: IAstNode): TAuraNode;
property ExprDepth: Integer read GetExprDepth;
property ParentControl: TControl read GetParentControl;
property Workspace: TAuraWorkspace read GetWorkspace;
end;
// Defines the layout direction for children within TAutoFitControl
TLayoutOrientation = (loVertical, loHorizontal);
// Defines the alignment of children on the cross-axis
TLayoutAlignment = (laCenter, laFlush);
// A styled control that automatically adjusts its size to fit its children, including padding.
TAutoFitControl = class(TStyledControl)
private
FUpdatingOwnSize: Boolean; // Recursion guard
FNeedRecalcSize: Boolean; // Flag for EndUpdate
FOrientation: TLayoutOrientation; // Storage for Orientation
FAlignment: TLayoutAlignment; // Storage for Alignment
procedure RecalcOwnSize;
procedure SetOrientation(const Value: TLayoutOrientation);
procedure SetAlignment(const Value: TLayoutAlignment);
protected
procedure ParentContentChanged; override;
procedure PaddingChanged; override;
procedure ChangeChildren; override;
procedure Loaded; override;
procedure DoEndUpdate; override;
public
constructor Create(AOwner: TComponent); override;
published
property Padding;
property Orientation: TLayoutOrientation read FOrientation write SetOrientation default TLayoutOrientation.loHorizontal;
property Alignment: TLayoutAlignment read FAlignment write SetAlignment default TLayoutAlignment.laCenter;
end;
// A movable panel with a custom-painted border. Content (like title) is added externally.
TAuraNode = class(TAutoFitControl)
private
FBackgroundColor: TAlphaColor;
FIsDragging: Boolean;
FDownPos: TPointF;
FBorderColor: TAlphaColor;
FBorderWidth: Single;
FBorderRadius: Single;
FFrameless: Boolean;
FVisualizer: IAstVisualizer;
FHandler: IAuraNodeHandler;
// --- Visual State Fields ---
FErrorMessage: string;
FTypeInfoText: string;
procedure SetBackgroundColor(const Value: TAlphaColor);
procedure SetBorderColor(const Value: TAlphaColor);
procedure SetBorderWidth(const Value: Single);
procedure SetBorderRadius(const Value: Single);
procedure SetFrameless(const Value: Boolean);
function GetNode: IAstNode;
// New Setters
procedure SetErrorMessage(const Value: string);
procedure SetTypeInfoText(const Value: string);
procedure UpdateVisualState;
protected
procedure Paint; override;
procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single); override;
procedure MouseMove(Shift: TShiftState; X, Y: Single); override;
procedure MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Single); override;
procedure SetupNode;
public
constructor Create(const AVisualizer: IAstVisualizer; const AHandler: IAuraNodeHandler); reintroduce;
destructor Destroy; override;
procedure AfterConstruction; override;
function AddLabel(Parent: TControl; const Txt: String): TLabel;
function AddContainer(Parent: TControl; Orientation: TLayoutOrientation; Alignment: TLayoutAlignment): TAutoFitControl;
function AddExpr(Parent: TControl; const Title: String; const Node: IAstNode): TAuraNode;
function CreateAst: IAstNode;
property Visualizer: IAstVisualizer read FVisualizer;
property Node: IAstNode read GetNode;
// --- Visual State Properties ---
property ErrorMessage: string read FErrorMessage write SetErrorMessage;
property TypeInfoText: string read FTypeInfoText write SetTypeInfoText;
published
property BorderColor: TAlphaColor read FBorderColor write SetBorderColor;
property BorderWidth: Single read FBorderWidth write SetBorderWidth;
property BorderRadius: Single read FBorderRadius write SetBorderRadius;
property BackgroundColor: TAlphaColor read FBackgroundColor write SetBackgroundColor;
property Frameless: Boolean read FFrameless write SetFrameless;
property Align;
property Anchors;
property ClipChildren default True;
property Cursor default crDefault;
property DragMode default TDragMode.dmManual;
property Enabled;
property Height;
property Hint;
property HitTest default True;
property Locked;
property Margins;
property Opacity;
property Padding;
property PopupMenu;
property Position;
property RotationAngle;
property RotationCenter;
property Scale;
property Size;
property Visible;
property Width;
property OnClick;
property OnDblClick;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnMouseWheel;
property OnMouseEnter;
property OnMouseLeave;
end;
// Helper base class to reduce boilerplate in specific handlers
TBaseNodeHandler<T: IAstNode> = class(TInterfacedObject, IAuraNodeHandler)
protected
FNode: T;
function GetAstNode: IAstNode;
public
constructor Create(const ANode: T);
procedure BuildUI(OwnerNode: TAuraNode); virtual; abstract;
function ReconstructAst(OwnerNode: TAuraNode): IAstNode; virtual; abstract;
end;
implementation
uses
Myc.Ast;
{ TAutoFitControl }
constructor TAutoFitControl.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
HitTest := True;
FOrientation := TLayoutOrientation.loHorizontal;
FAlignment := TLayoutAlignment.laCenter;
end;
procedure TAutoFitControl.SetAlignment(const Value: TLayoutAlignment);
begin
if FAlignment <> Value then
begin
FAlignment := Value;
RecalcOwnSize;
end;
end;
procedure TAutoFitControl.SetOrientation(const Value: TLayoutOrientation);
begin
if FOrientation <> Value then
begin
FOrientation := Value;
RecalcOwnSize;
end;
end;
procedure TAutoFitControl.RecalcOwnSize;
var
i: Integer;
child: TControl;
childrenToLayout: TList<TControl>;
currentX, currentY: Single;
requiredWidth, requiredHeight: Single;
childWidthWithMargins, childHeightWithMargins: Single;
hasVisibleChild: Boolean;
begin
if FUpdatingOwnSize then
exit;
if IsUpdating then
begin
FNeedRecalcSize := True;
exit;
end;
FUpdatingOwnSize := True;
childrenToLayout := nil;
try
requiredWidth := Padding.Left + Padding.Right;
requiredHeight := Padding.Top + Padding.Bottom;
currentX := Padding.Left;
currentY := Padding.Top;
hasVisibleChild := False;
childrenToLayout := TList<TControl>.Create;
for i := 0 to ChildrenCount - 1 do
begin
if Children[i] is TControl then
begin
child := TControl(Children[i]);
if child.Visible and (child.Align = TAlignLayout.None) then
begin
childrenToLayout.Add(child);
hasVisibleChild := True;
end;
end;
end;
if hasVisibleChild then
begin
if FOrientation = TLayoutOrientation.loVertical then
begin
for child in childrenToLayout do
begin
child.Position.Y := currentY + child.Margins.Top;
currentY := child.Position.Y + child.Height + child.Margins.Bottom;
childWidthWithMargins := Padding.Left + child.Margins.Left + child.Width + child.Margins.Right + Padding.Right;
requiredWidth := System.Math.Max(requiredWidth, childWidthWithMargins);
end;
requiredHeight := currentY + Padding.Bottom;
if FAlignment = TLayoutAlignment.laFlush then
begin
for child in childrenToLayout do
begin
child.Position.X := Padding.Left + child.Margins.Left;
end;
end
else
begin
var contentWidth := requiredWidth - Padding.Left - Padding.Right;
for child in childrenToLayout do
begin
var childTotalWidth := child.Width + child.Margins.Left + child.Margins.Right;
var childX := Padding.Left + ((contentWidth - childTotalWidth) / 2) + child.Margins.Left;
child.Position.X := childX;
end;
end;
end
else
begin
for child in childrenToLayout do
begin
child.Position.X := currentX + child.Margins.Left;
currentX := child.Position.X + child.Width + child.Margins.Right;
childHeightWithMargins := Padding.Top + child.Margins.Top + child.Height + child.Margins.Bottom + Padding.Bottom;
requiredHeight := System.Math.Max(requiredHeight, childHeightWithMargins);
end;
requiredWidth := currentX + Padding.Right;
if FAlignment = TLayoutAlignment.laFlush then
begin
for child in childrenToLayout do
begin
child.Position.Y := Padding.Top + child.Margins.Top;
end;
end
else
begin
var contentHeight := requiredHeight - Padding.Top - Padding.Bottom;
for child in childrenToLayout do
begin
var childTotalHeight := child.Height + child.Margins.Top + child.Margins.Bottom;
var childY := Padding.Top + ((contentHeight - childTotalHeight) / 2) + child.Margins.Top;
child.Position.Y := childY;
end;
end;
end;
end
else
begin
requiredWidth := Padding.Left + Padding.Right;
requiredHeight := Padding.Top + Padding.Bottom;
end;
requiredWidth := System.Math.Max(0, requiredWidth);
requiredHeight := System.Math.Max(0, requiredHeight);
if not SameValue(requiredWidth, Width, TEpsilon.Position) or not SameValue(requiredHeight, Height, TEpsilon.Position) then
begin
FSize.SetSizeWithoutNotification(TSizeF.Create(requiredWidth, requiredHeight));
HandleSizeChanged;
end;
finally
childrenToLayout.Free;
FUpdatingOwnSize := False;
end;
end;
procedure TAutoFitControl.Loaded;
begin
inherited Loaded;
RecalcOwnSize;
end;
procedure TAutoFitControl.ChangeChildren;
begin
inherited ChangeChildren;
RecalcOwnSize;
end;
procedure TAutoFitControl.PaddingChanged;
begin
inherited PaddingChanged;
RecalcOwnSize;
end;
procedure TAutoFitControl.ParentContentChanged;
begin
inherited ParentContentChanged;
RecalcOwnSize;
end;
procedure TAutoFitControl.DoEndUpdate;
begin
inherited;
if FNeedRecalcSize then
begin
FNeedRecalcSize := False;
RecalcOwnSize;
end;
end;
{ TAuraNode }
constructor TAuraNode.Create(const AVisualizer: IAstVisualizer; const AHandler: IAuraNodeHandler);
begin
inherited Create(AVisualizer.Workspace);
Parent := AVisualizer.ParentControl;
FVisualizer := AVisualizer.Clone(Self, AVisualizer.ExprDepth);
FHandler := AHandler;
FIsDragging := False;
FBorderColor := TAlphaColors.Gray;
FBorderWidth := 1;
FBorderRadius := 9;
FBackgroundColor := $080a0a0a;
FFrameless := False;
Width := cMinNodeWidth;
Height := cMinNodeHeight;
HitTest := True;
ClipChildren := True;
Margins.Left := 4;
Margins.Top := 4;
Margins.Right := 4;
Margins.Bottom := 4;
Padding.Left := 3;
Padding.Top := 3;
Padding.Right := 3;
Padding.Bottom := 3;
var cn: Cardinal := $ea - (7 * FVisualizer.ExprDepth);
var c: Cardinal := $ff000000 or (cn shl 16) or (cn shl 8) or cn;
BackgroundColor := c;
end;
destructor TAuraNode.Destroy;
begin
FHandler := nil;
inherited;
end;
function TAuraNode.AddContainer(Parent: TControl; Orientation: TLayoutOrientation; Alignment: TLayoutAlignment): TAutoFitControl;
begin
Result := TAutoFitControl.Create(Self);
Result.Parent := Parent;
Result.Orientation := Orientation;
Result.Alignment := Alignment;
Result.HitTest := False;
end;
function TAuraNode.AddExpr(Parent: TControl; const Title: String; const Node: IAstNode): TAuraNode;
begin
var cont := AddContainer(Parent, loHorizontal, laCenter);
var lbl := AddLabel(cont, Title);
lbl.Font.Style := lbl.Font.Style + [TFontStyle.fsBold];
Result := FVisualizer.Clone(cont, FVisualizer.ExprDepth + 1).CallAccept(Node);
end;
function TAuraNode.AddLabel(Parent: TControl; const Txt: String): TLabel;
begin
Result := TLabel.Create(Self);
Result.Parent := Parent;
Result.Position.Point := TPoint.Create(cNodePadding, cNodePadding);
Result.Margins.Left := cNodePadding;
Result.Margins.Right := cNodePadding;
Result.Margins.Top := cTitleTopPadding;
Result.Margins.Bottom := cTitleBottomPadding;
Result.WordWrap := False;
Result.AutoSize := True;
Result.HitTest := False;
Result.StyledSettings := Result.StyledSettings - [TStyledSetting.Style];
Result.Text := Txt;
Result.ApplyStyleLookup;
end;
procedure TAuraNode.AfterConstruction;
begin
inherited;
SetupNode;
end;
function TAuraNode.CreateAst: IAstNode;
begin
if Assigned(FHandler) then
Result := FHandler.ReconstructAst(Self)
else
Result := TAst.Nop;
end;
function TAuraNode.GetNode: IAstNode;
begin
if Assigned(FHandler) then
Result := FHandler.Node
else
Result := nil;
end;
procedure TAuraNode.SetErrorMessage(const Value: string);
begin
if FErrorMessage <> Value then
begin
FErrorMessage := Value;
UpdateVisualState;
Repaint;
end;
end;
procedure TAuraNode.SetTypeInfoText(const Value: string);
begin
if FTypeInfoText <> Value then
begin
FTypeInfoText := Value;
UpdateVisualState;
// Type Info usually doesn't change painting, just hint
end;
end;
procedure TAuraNode.UpdateVisualState;
begin
if FErrorMessage <> '' then
begin
Hint := 'Error: ' + FErrorMessage;
ShowHint := True;
end
else if FTypeInfoText <> '' then
begin
Hint := 'Type: ' + FTypeInfoText;
ShowHint := True;
end
else
begin
Hint := '';
ShowHint := False;
end;
end;
procedure TAuraNode.Paint;
var
rect: TRectF;
effBorderColor: TAlphaColor;
effBorderWidth: Single;
effDash: TStrokeDash;
begin
inherited;
Canvas.Fill.Kind := TBrushKind.None;
// Determine styles based on state (Error > Standard)
if FErrorMessage <> '' then
begin
effBorderColor := TAlphaColors.Red;
effBorderWidth := 2.0;
effDash := TStrokeDash.Solid;
end
else
begin
effBorderColor := FBorderColor;
effBorderWidth := FBorderWidth;
if FFrameless then
effDash := TStrokeDash.Dot
else
effDash := TStrokeDash.Solid;
end;
if FFrameless and (FErrorMessage = '') then
begin
// Standard frameless drawing (only if no error)
Canvas.Fill.Kind := TBrushKind.Solid;
Canvas.Fill.Color := FBackgroundColor;
Canvas.Stroke.Kind := TBrushKind.None;
Canvas.FillRect(TRectF.Create(0, 0, Width, Height), 0, 0, [], 1.0);
Canvas.Stroke.Kind := TBrushKind.Solid;
Canvas.Stroke.Color := effBorderColor;
Canvas.Stroke.Thickness := effBorderWidth;
Canvas.Stroke.Dash := effDash;
Canvas.DrawRect(TRectF.Create(0, 0, Width, Height), 0, 0, [], 1.0);
end
else
begin
// Draw background fill first
Canvas.Fill.Kind := TBrushKind.Solid;
Canvas.Fill.Color := FBackgroundColor;
rect := TRectF.Create(0, 0, Width, Height);
if (effBorderWidth > 0) then
rect.Inflate(-effBorderWidth / 2, -effBorderWidth / 2);
Canvas.FillRect(rect, FBorderRadius, FBorderRadius, AllCorners, 1.0, TCornerType.Round);
// Draw border (Custom or Error)
if (effBorderWidth > 0) and (effBorderColor <> TAlphaColors.Null) then
begin
rect := TRectF.Create(0, 0, Width, Height);
rect.Inflate(-effBorderWidth / 2, -effBorderWidth / 2);
Canvas.Stroke.Kind := TBrushKind.Solid;
Canvas.Stroke.Color := effBorderColor;
Canvas.Stroke.Thickness := effBorderWidth;
Canvas.Stroke.Dash := effDash;
Canvas.DrawRect(rect, FBorderRadius, FBorderRadius, AllCorners, 1.0, TCornerType.Round);
end;
end;
end;
procedure TAuraNode.SetBorderColor(const Value: TAlphaColor);
begin
if FBorderColor <> Value then
begin
FBorderColor := Value;
Repaint;
end;
end;
procedure TAuraNode.SetBorderRadius(const Value: Single);
begin
if FBorderRadius <> Value then
begin
FBorderRadius := Value;
Repaint;
end;
end;
procedure TAuraNode.SetBorderWidth(const Value: Single);
begin
if FBorderWidth <> Value then
begin
FBorderWidth := Value;
Repaint;
end;
end;
procedure TAuraNode.SetFrameless(const Value: Boolean);
begin
if FFrameless <> Value then
begin
FFrameless := Value;
Repaint;
end;
end;
procedure TAuraNode.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
begin
inherited;
if Button = TMouseButton.mbLeft then
begin
var lControl := ObjectAtPoint(LocalToScreen(TPointF.Create(X, Y)));
if Assigned(lControl) and (lControl.GetObject = Self) then
begin
FIsDragging := True;
FDownPos := TPointF.Create(X, Y);
Capture;
BringToFront;
end
else
FIsDragging := False;
end;
end;
procedure TAuraNode.MouseMove(Shift: TShiftState; X, Y: Single);
begin
inherited;
if FIsDragging then
begin
var deltaX := X - FDownPos.X;
var deltaY := Y - FDownPos.Y;
Position.X := Position.X + deltaX;
Position.Y := Position.Y + deltaY;
if ParentControl <> nil then
ParentControl.Repaint;
end;
end;
procedure TAuraNode.MouseUp(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
begin
inherited;
if (Button = TMouseButton.mbLeft) and (FIsDragging) then
begin
ReleaseCapture;
FIsDragging := False;
if ParentControl <> nil then
ParentControl.Repaint;
end;
end;
procedure TAuraNode.SetBackgroundColor(const Value: TAlphaColor);
begin
FBackgroundColor := Value;
Repaint;
end;
procedure TAuraNode.SetupNode;
begin
if Assigned(FHandler) then
FHandler.BuildUI(Self);
end;
{ TBaseNodeHandler<T> }
constructor TBaseNodeHandler<T>.Create(const ANode: T);
begin
inherited Create;
FNode := ANode;
end;
function TBaseNodeHandler<T>.GetAstNode: IAstNode;
begin
Result := FNode;
end;
end.
File diff suppressed because it is too large Load Diff
+249
View File
@@ -0,0 +1,249 @@
unit Myc.Fmx.AstEditor.Visualizer;
interface
uses
System.SysUtils,
System.Classes,
FMX.Controls,
Myc.Data.Value,
Myc.Ast.Nodes,
Myc.Ast.Visitor,
Myc.Fmx.AstEditor.Workspace,
Myc.Fmx.AstEditor.Core,
Myc.Fmx.AstEditor.Handlers;
type
// Inherits from the generic TAstVisitor<TAuraNode>
TAstVisualizer = class(TAstVisitor<TAuraNode>, IAstVisualizer)
private
FExprDepth: Integer;
FParentControl: TControl;
FWorkspace: TAuraWorkspace;
function CallAccept(const Node: IAstNode): TAuraNode;
function GetExprDepth: Integer;
function GetParentControl: TControl;
function GetWorkspace: TAuraWorkspace;
procedure SetExprDepth(const Value: Integer);
procedure SetParentControl(const Value: TControl);
protected
// Visitor implementations for each AST node type.
function VisitConstant(const Node: IConstantNode): TAuraNode; override;
function VisitIdentifier(const Node: IIdentifierNode): TAuraNode; override;
function VisitKeyword(const Node: IKeywordNode): TAuraNode; override;
function VisitIfExpression(const Node: IIfExpressionNode): TAuraNode; override;
function VisitTernaryExpression(const Node: ITernaryExpressionNode): TAuraNode; override;
function VisitLambdaExpression(const Node: ILambdaExpressionNode): TAuraNode; override;
function VisitFunctionCall(const Node: IFunctionCallNode): TAuraNode; override;
function VisitMacroExpansionNode(const Node: IMacroExpansionNode): TAuraNode; override;
function VisitBlockExpression(const Node: IBlockExpressionNode): TAuraNode; override;
function VisitVariableDeclaration(const Node: IVariableDeclarationNode): TAuraNode; override;
function VisitAssignment(const Node: IAssignmentNode): TAuraNode; override;
function VisitMacroDefinition(const Node: IMacroDefinitionNode): TAuraNode; override;
function VisitQuasiquote(const Node: IQuasiquoteNode): TAuraNode; override;
function VisitUnquote(const Node: IUnquoteNode): TAuraNode; override;
function VisitUnquoteSplicing(const Node: IUnquoteSplicingNode): TAuraNode; override;
function VisitIndexer(const Node: IIndexerNode): TAuraNode; override;
function VisitMemberAccess(const Node: IMemberAccessNode): TAuraNode; override;
function VisitRecordLiteral(const Node: IRecordLiteralNode): TAuraNode; override;
function VisitCreateSeries(const Node: ICreateSeriesNode): TAuraNode; override;
function VisitAddSeriesItem(const Node: IAddSeriesItemNode): TAuraNode; override;
function VisitSeriesLength(const Node: ISeriesLengthNode): TAuraNode; override;
function VisitRecurNode(const Node: IRecurNode): TAuraNode; override;
function VisitNop(const Node: INopNode): TAuraNode; override;
public
constructor Create(AWorkspace: TAuraWorkspace; AParentControl: TControl; AExprDepth: Integer);
destructor Destroy; override;
function Clone(ParentControl: TControl; ExprDepth: Integer): IAstVisualizer;
property ExprDepth: Integer read GetExprDepth write SetExprDepth;
property ParentControl: TControl read GetParentControl write SetParentControl;
property Workspace: TAuraWorkspace read GetWorkspace;
end;
implementation
{ TAstVisualizer }
constructor TAstVisualizer.Create(AWorkspace: TAuraWorkspace; AParentControl: TControl; AExprDepth: Integer);
begin
inherited Create;
FWorkspace := AWorkspace;
FParentControl := AParentControl;
FExprDepth := AExprDepth;
end;
destructor TAstVisualizer.Destroy;
begin
inherited;
end;
function TAstVisualizer.CallAccept(const Node: IAstNode): TAuraNode;
var
dataValue: TDataValue;
begin
if not Assigned(Node) then
exit(nil);
dataValue := Node.Accept(Self);
if dataValue.Kind = TDataValueKind.vkGeneric then
begin
Result := dataValue.AsGeneric<TAuraNode>;
end
else
begin
Result := nil;
end;
end;
function TAstVisualizer.Clone(ParentControl: TControl; ExprDepth: Integer): IAstVisualizer;
begin
Result := TAstVisualizer.Create(FWorkspace, ParentControl, ExprDepth);
end;
function TAstVisualizer.GetExprDepth: Integer;
begin
Result := FExprDepth;
end;
function TAstVisualizer.GetParentControl: TControl;
begin
Result := FParentControl;
end;
function TAstVisualizer.GetWorkspace: TAuraWorkspace;
begin
Result := FWorkspace;
end;
procedure TAstVisualizer.SetExprDepth(const Value: Integer);
begin
FExprDepth := Value;
end;
procedure TAstVisualizer.SetParentControl(const Value: TControl);
begin
FParentControl := Value;
end;
// --- Visitor Implementations ---
function TAstVisualizer.VisitConstant(const Node: IConstantNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TConstantNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitIdentifier(const Node: IIdentifierNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TIdentifierNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitKeyword(const Node: IKeywordNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TKeywordNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitBlockExpression(const Node: IBlockExpressionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TBlockExpressionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitIfExpression(const Node: IIfExpressionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TIfExpressionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitTernaryExpression(const Node: ITernaryExpressionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TTernaryExpressionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitLambdaExpression(const Node: ILambdaExpressionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TLambdaExpressionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitFunctionCall(const Node: IFunctionCallNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TFunctionCallNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitMacroExpansionNode(const Node: IMacroExpansionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TMacroExpansionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitVariableDeclaration(const Node: IVariableDeclarationNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TVariableDeclarationNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitAssignment(const Node: IAssignmentNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TAssignmentNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitMacroDefinition(const Node: IMacroDefinitionNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TMacroDefinitionNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitQuasiquote(const Node: IQuasiquoteNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TQuasiquoteNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitUnquote(const Node: IUnquoteNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TUnquoteNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitUnquoteSplicing(const Node: IUnquoteSplicingNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TUnquoteSplicingNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitIndexer(const Node: IIndexerNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TIndexerNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitMemberAccess(const Node: IMemberAccessNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TMemberAccessNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitRecordLiteral(const Node: IRecordLiteralNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TRecordLiteralNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitCreateSeries(const Node: ICreateSeriesNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TCreateSeriesNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitAddSeriesItem(const Node: IAddSeriesItemNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TAddSeriesItemNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitSeriesLength(const Node: ISeriesLengthNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TSeriesLengthNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitRecurNode(const Node: IRecurNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TRecurNodeHandler.Create(Node));
end;
function TAstVisualizer.VisitNop(const Node: INopNode): TAuraNode;
begin
Result := TAuraNode.Create(Self, TNopNodeHandler.Create(Node));
end;
end.
@@ -91,7 +91,8 @@ implementation
uses
System.Math,
FMX.Platform,
Myc.Fmx.AstEditor.Node;
Myc.Fmx.AstEditor.Core,
Myc.Fmx.AstEditor.Visualizer;
{ TPinConnection }
@@ -112,7 +113,10 @@ end;
procedure TAuraWorkspace.Build(const RootNode: IAstNode; const Position: TPointF);
begin
var visu := TAstVisualizer.Create(Self, Self, 0) as IAstVisualizer;
visu.CallAccept(RootNode);
var node := visu.CallAccept(RootNode);
if Assigned(node) then
node.Position.Point := Position;
end;
procedure TAuraWorkspace.DoDeleteChildren;
@@ -125,7 +129,7 @@ function TAuraWorkspace.GetChildrenMatrix(var Matrix: TMatrix; var Simple: Boole
begin
Matrix := TMatrix.CreateScaling(FZoom, FZoom) * TMatrix.CreateTranslation(FPanning.cx, FPanning.cy);
Simple := (FZoom = 1.0) and (FPanning.cx = 0) and (FPanning.cy = 0);
Result := true;
Result := True;
end;
procedure TAuraWorkspace.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Single);
@@ -225,15 +229,15 @@ end;
function TAuraWorkspace.Zoom(Factor: Single): Boolean;
var
MouseService: IFMXMouseService;
mouseService: IFMXMouseService;
begin
Result := TPlatformServices.Current.SupportsPlatformService(IFMXMouseService, MouseService);
Result := TPlatformServices.Current.SupportsPlatformService(IFMXMouseService, mouseService);
if Result then
begin
var MousePos := ScreenToLocal(MouseService.GetMousePos);
var mousePos := ScreenToLocal(mouseService.GetMousePos);
Factor := Max(0.2, Min(3.0, Factor));
FPanning.cx := MousePos.X * (1 - Factor / FZoom) + FPanning.cx * (Factor / FZoom);
FPanning.cy := MousePos.Y * (1 - Factor / FZoom) + FPanning.cy * (Factor / FZoom);
FPanning.cx := mousePos.X * (1 - Factor / FZoom) + FPanning.cx * (Factor / FZoom);
FPanning.cy := mousePos.Y * (1 - Factor / FZoom) + FPanning.cy * (Factor / FZoom);
FZoom := Factor;
RecalcAbsolute;
RecalcUpdateRect;