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Simba/Projects/Code Insight/main.pas
2010-03-13 16:55:22 +01:00

447 lines
12 KiB
ObjectPascal

unit Main;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
ExtCtrls, StdCtrls, SynHighlighterPas, SynEdit, SynEditHighlighter, SynEditKeyCmds,
lclintf, ComCtrls, lcltype,
v_ideCodeInsight, v_ideCodeParser, v_AutoCompleteForm,
CastaliaPasLexTypes, CastaliaSimplePasPar;
type
{ TMainForm }
TMainForm = class(TForm)
btnParams: TButton;
btnParse: TButton;
btnComplete: TButton;
e: TSynEdit;
hlPas: TSynPasSyn;
lstDump: TListBox;
txtDebug: TMemo;
pnlLeft: TPanel;
procedure btnCompleteClick(Sender: TObject);
procedure btnParamsClick(Sender: TObject);
procedure btnParseClick(Sender: TObject);
procedure eClickLink(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure eCommandProcessed(Sender: TObject; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer);
procedure eKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure eKeyPress(Sender: TObject; var Key: char);
procedure eMouseLink(Sender: TObject; X, Y: Integer; var AllowMouseLink: Boolean);
procedure eProcessUserCommand(Sender: TObject; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer);
procedure eStatusChange(Sender: TObject; Changes: TSynStatusChanges);
procedure FormCreate(Sender: TObject);
protected
acp_start: TPoint;
acp: TAutoCompletePopup;
procedure OnM(Sender: TObject; const Typ: TMessageEventType; const Msg: string; X, Y: Integer);
procedure CompleteCode(Str: string);
function OnFindInclude(Sender: TObject; var FileName: string): Boolean;
public
{ public declarations }
end;
var
MainForm: TMainForm;
implementation
{$R *.lfm}
const
ecAutoComplete = ecUserFirst + 1;
ecParamHint = ecUserFirst + 2;
function WordAtCaret(e: TSynEdit; var sp, ep: Integer; Start: Integer = -1): string;
var
s: string;
l: Integer;
begin
Result := '';
if (Start = -1) then
Start := e.CaretX;
sp := Start - 1;
ep := Start - 1;
s := e.Lines[e.CaretY - 1];
l := Length(s);
//if (sp > l) then
// Dec(sp);
if (sp < 1) or (sp > l) or (not (s[sp] in ['a'..'z', 'A'..'Z', '0'..'9', '_'])) then
begin
Inc(sp);
Inc(ep);
if (sp < 1) or (sp > l) or (not (s[sp] in ['a'..'z', 'A'..'Z', '0'..'9', '_'])) then
Exit('');
end;
while (sp > 1) and (sp <= l) and (s[sp - 1] in ['a'..'z', 'A'..'Z', '0'..'9', '_']) do
Dec(sp);
while (ep >= 1) and (ep < l) and (s[ep + 1] in ['a'..'z', 'A'..'Z', '0'..'9', '_']) do
Inc(ep);
Result := Copy(s, sp, ep - sp + 1);
end;
{ TMainForm }
procedure TMainForm.OnM(Sender: TObject; const Typ: TMessageEventType; const Msg: string; X, Y: Integer);
begin
if (Typ = meNotSupported) then
Exit;
if (Sender is TmwSimplePasPar) then
if (TmwSimplePasPar(Sender).Lexer.TokenID = tok_DONE) then
Exit;
txtDebug.Lines.Add('ERROR: '+Format('%d:%d %s', [Y + 1, X, Msg])+' in '+TCodeInsight(Sender).FileName);
end;
procedure TMainForm.CompleteCode(Str: string);
var
sp, ep: Integer;
s: string;
begin
if (Str <> '') then
begin
s := WordAtCaret(e, sp, ep);
if (s <> '') then
begin
e.SelStart := e.SelStart + (sp - e.CaretX);
e.SelEnd := e.SelStart + (ep - e.CaretX) + 1;
e.SelText := Str;
end
else
e.InsertTextAtCaret(Str);
end;
end;
function TMainForm.OnFindInclude(Sender: TObject; var FileName: string): Boolean;
begin
if FileExists('C:\Program Files\SCAR 3.20\includes\'+FileName) then
begin
FileName := 'C:\Program Files\SCAR 3.20\includes\'+FileName;
Result := True;
end
else
Result := False;
end;
procedure TMainForm.btnParseClick(Sender: TObject);
procedure PrintDeclaration(Item: TDeclaration; Strings: TStrings; Prefix: string);
var
i: Integer;
begin
Strings.Add(Prefix + '(' + IntToStr(Item.StartPos) +',' + IntToStr(Item.EndPos) + ') ' + Item.CleanText + '(' + Item.ClassName + ') ');
for i := 0 to Item.Items.Count - 1 do
PrintDeclaration(Item.Items[i], Strings, Prefix + '-');
end;
procedure PrintCodeInsight(Item: TCodeInsight; Strings: TStrings);
var
i: Integer;
begin
Strings.Add('*START***START***START*');
for i := 0 to Item.Items.Count - 1 do
PrintDeclaration(Item.Items[i], Strings, '');
Strings.Add('*INCLUDES***INCLUDES*');
for i := 0 to High(Item.Includes) do
PrintCodeInsight(Item.Includes[i], Strings);
Strings.Add('*END***END***END***END*');
end;
var
mp: TCodeInsight;
ms: TMemoryStream;
t: Integer;
begin
mp := TCodeInsight.Create;
mp.OnMessage := @OnM;
mp.OnFindInclude := @OnFindInclude;
ms := TMemoryStream.Create;
t := GetTickCount;
e.Lines.SaveToStream(ms);
try
lstDump.Items.BeginUpdate;
lstDump.Clear;
t := GetTickCount;
mp.Run(ms);
txtDebug.Lines.Add(IntToStr(GetTickCount - t) + 'ms');
PrintCodeInsight(mp, lstDump.Items);
//mp.FillSynCompletionProposal(lstDump.Items, InsertList);
finally
FreeAndNil(ms);
FreeAndNil(mp);
lstDump.Items.EndUpdate;
end;
end;
procedure TMainForm.eClickLink(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
var
mp: TCodeInsight;
ms: TMemoryStream;
d: TDeclaration;
sp, ep: Integer;
begin
mp := TCodeInsight.Create;
mp.OnMessage := @OnM;
mp.OnFindInclude := @OnFindInclude;
ms := TMemoryStream.Create;
e.Lines.SaveToStream(ms);
try
e.GetWordBoundsAtRowCol(e.CaretXY, sp, ep);
mp.Run(ms);
mp.Position := e.SelStart + (ep - e.CaretX) - 1;
d := mp.FindVarBase(mp.GetExpressionAtPos);
if (d <> nil) then
begin
if (TCodeInsight(d.Parser).FileName <> mp.FileName) then
ShowMessage('Declared in "' + TCodeInsight(d.Parser).FileName + '" at ' + IntToStr(d.StartPos))
else
begin
e.SelStart := d.StartPos + 1;
e.SelEnd := d.StartPos + Length(TrimRight(d.RawText)) + 1;
end;
end;
finally
FreeAndNil(ms);
FreeAndNil(mp);
end;
end;
procedure TMainForm.eCommandProcessed(Sender: TObject; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer);
var
sp, ep: Integer;
s: string;
begin
if acp.Visible then
case Command of
ecDeleteChar, ecDeleteWord, ecDeleteEOL:
begin
if (e.CaretY = acp_start.y) then
begin
//e.GetWordBoundsAtRowCol(acp_start, sp, ep);
s := WordAtCaret(e, sp, ep, acp_start.x);
if (e.CaretX >= acp_start.x) and (e.CaretX <= ep) then
begin
acp.ListBox.Filter := s;
Exit;
end;
end;
acp.Hide;
end;
end;
end;
procedure TMainForm.eKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
acp.HandleKeyDown(Sender, Key, Shift);
end;
procedure TMainForm.eKeyPress(Sender: TObject; var Key: char);
begin
acp.HandleKeyPress(Sender, Key);
end;
procedure TMainForm.eMouseLink(Sender: TObject; X, Y: Integer; var AllowMouseLink: Boolean);
var
s: string;
Attri: TSynHighlighterAttributes;
begin
AllowMouseLink := e.GetHighlighterAttriAtRowCol(Point(X, Y), s, Attri) and (Attri.Name = 'Identifier');
end;
procedure TMainForm.eProcessUserCommand(Sender: TObject; var Command: TSynEditorCommand; var AChar: TUTF8Char; Data: pointer);
var
s: string;
Attri: TSynHighlighterAttributes;
begin
if (Command = ecAutoComplete) then
begin
if (not e.GetHighlighterAttriAtRowCol(e.CaretXY, s, Attri)) or (Attri.Name = 'Identifier') then
begin
btnCompleteClick(nil);
Command := ecNone;
end;
end
else if (Command = ecParamHint) then
begin
btnParamsClick(nil);
Command := ecNone;
end;
end;
procedure TMainForm.eStatusChange(Sender: TObject; Changes: TSynStatusChanges);
var
sp, ep: Integer;
s: string;
begin
if acp.Visible then
if (scAll in Changes) or (scTopLine in Changes) then
acp.Visible := False
else if (scCaretX in Changes) or (scCaretY in Changes) or (scSelection in Changes) or (scModified in Changes) then
begin
if (e.CaretY = acp_start.y) then
begin
//e.GetWordBoundsAtRowCol(acp_start, sp, ep);
s := WordAtCaret(e, sp, ep, acp_start.x);
if (e.CaretX >= acp_start.x) and (e.CaretX - 1 <= ep) then
begin
acp.ListBox.Filter := s;
Exit;
end;
end;
acp.Hide;
end;
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
acp_start := Point(-1, -1);
acp := TAutoCompletePopup.Create(Self);
acp.InsertProc := @CompleteCode;
e.AddKey(ecAutoComplete, VK_SPACE, [ssCtrl], VK_UNKNOWN, []);
e.AddKey(ecParamHint, VK_SPACE, [ssShift, ssCtrl], VK_UNKNOWN, []);
end;
procedure TMainForm.btnCompleteClick(Sender: TObject);
var
mp: TCodeInsight;
ms: TMemoryStream;
ItemList, InsertList: TStringList;
sp, ep, t: Integer;
p: TPoint;
s, Filter: string;
begin
mp := TCodeInsight.Create;
mp.OnMessage := @OnM;
mp.OnFindInclude := @OnFindInclude;
ms := TMemoryStream.Create;
ItemList := TStringList.Create;
InsertList := TStringList.Create;
InsertList.Sorted := True;
e.Lines.SaveToStream(ms);
try
//e.GetWordBoundsAtRowCol(e.CaretXY, sp, ep);
Filter := WordAtCaret(e, sp, ep);
acp_start := Point(sp, e.CaretY);
//mp.Position := e.SelStart + (ep - e.CaretX) - 1;
mp.Run(ms, nil, e.SelStart + (ep - e.CaretX) - 1);
s := mp.GetExpressionAtPos;
if (s <> '') then
begin
sp := LastDelimiter('.', s);
if (sp > 0) then
Delete(s, sp, Length(s) - sp + 1)
else
s := '';
end;
t := GetTickCount;
mp.FillSynCompletionProposal(ItemList, InsertList, s);
txtDebug.Lines.Add('Fill: '+IntToStr(GetTickCount - t)+'ms');
p := e.ClientToScreen(e.RowColumnToPixels(Point(ep, e.CaretY)));
p.y := p.y + e.LineHeight;
t := GetTickCount;
acp.Show(p, ItemList, InsertList, Filter, e);
txtDebug.Lines.Add('Show: '+IntToStr(GetTickCount - t)+'ms');
finally
FreeAndNil(ms);
FreeAndNil(mp);
ItemList.Free;
InsertList.Free;
end;
end;
procedure TMainForm.btnParamsClick(Sender: TObject);
var
mp: TCodeInsight;
ms: TMemoryStream;
d, dd: TDeclaration;
sp, ep, bcc, bck, cc: Integer;
s: string;
begin
mp := TCodeInsight.Create;
mp.OnMessage := @OnM;
mp.OnFindInclude := @OnFindInclude;
ms := TMemoryStream.Create;
e.Lines.SaveToStream(ms);
try
e.GetWordBoundsAtRowCol(e.CaretXY, sp, ep);
mp.Run(ms, nil, e.SelStart + (ep - e.CaretX) - 1);
//mp.Position := e.SelStart + (ep - e.CaretX) - 1;
bcc := 1;
bck := 0;
cc := 0;
s := mp.GetExpressionAtPos(bcc, bck, cc, True);
if (s <> '') then
Delete(s, Length(s), 1);
d := mp.FindVarBase(s);
dd := nil;
while (d <> nil) and (d <> dd) and (d.Owner <> nil) and (not ((d is TciProcedureDeclaration) or (d.Owner is TciProcedureDeclaration))) do
begin
dd := d;
d := d.Owner.Items.GetFirstItemOfClass(TciTypeKind);
if (d <> nil) then
begin
d := TciTypeKind(d).GetRealType;
if (d is TciReturnType) then
d := d.Owner;
end;
if (d <> nil) and (d.Owner <> nil) and (not ((d is TciProcedureDeclaration) or (d.Owner is TciProcedureDeclaration))) then
d := mp.FindVarBase(d.CleanText)
else
Break;
end;
if (d <> nil) and (d <> dd) and (d.Owner <> nil) and ((d is TciProcedureDeclaration) or (d.Owner is TciProcedureDeclaration)) then
begin
if (d.Owner is TciProcedureDeclaration) and (not (d is TciProcedureDeclaration)) then
d := d.Owner;
with TParamHint.Create(Self) do
begin
if (TciProcedureDeclaration(d).SynParams <> '') then
//txtDebug.Lines.Add(TciProcedureDeclaration(d).SynParams)
Caption := TciProcedureDeclaration(d).SynParams
else
//txtDebug.Lines.Add('<no parameters expected>');
Caption := '<no parameters expected>';
end;
end;
finally
FreeAndNil(ms);
FreeAndNil(mp);
end;
end;
end.