denuvo-ref/cheat-engine
1
0
Fork 0
mirror of https://github.com/cheat-engine/cheat-engine synced 2026-08-15 02:26:08 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions
cheat-engine/Cheat Engine/LuaSyntax.pas
mgrinzPlayer bcda69d972 fix issue #480 
fix issue #480

LuaSyntax add support for [=[ ]=], [==[ ]==], ...
2019-01-10 17:07:16 +01:00

1154 lines
30 KiB
ObjectPascal
Raw Blame History

{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.
Code template generated with SynGen.
The original code is: Lua.pas, released 2004-10-27.
Description: Lua Syntax Parser/Highlighter
The initial author of this file is Jean-Franois Goulet.
Copyright (c) 2004, all rights reserved.
Contributors to the SynEdit and mwEdit projects are listed in the
Contributors.txt file.
Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.
$Id: LuaSyntax.pas,v 1.1 2006/11/21 00:42:58 jfgoulet Exp $
You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net
-------------------------------------------------------------------------------}
unit LuaSyntax;
{$IFDEF FPC}
{$MODE OBJFPC}
{$ENDIF}
{$DEFINE SYNEDIT_INCLUDE}
{$IFdef MSWindows}
{$DEFINE SYN_WIN32}
{$ENDIF}
{$IFDEF VER130}
{$DEFINE SYN_COMPILER_5}
{$DEFINE SYN_DELPHI}
{$DEFINE SYN_DELPHI_5}
{$ENDIF}
{$IFDEF VER125}
{$DEFINE SYN_COMPILER_4}
{$DEFINE SYN_CPPB}
{$DEFINE SYN_CPPB_4}
{$ENDIF}
{$IFDEF VER120}
{$DEFINE SYN_COMPILER_4}
{$DEFINE SYN_DELPHI}
{$DEFINE SYN_DELPHI_4}
{$ENDIF}
{$IFDEF VER110}
{$DEFINE SYN_COMPILER_3}
{$DEFINE SYN_CPPB}
{$DEFINE SYN_CPPB_3}
{$ENDIF}
{$IFDEF VER100}
{$DEFINE SYN_COMPILER_3}
{$DEFINE SYN_DELPHI}
{$DEFINE SYN_DELPHI_3}
{$ENDIF}
{$IFDEF VER93}
{$DEFINE SYN_COMPILER_2} { C++B v1 compiler is really v2 }
{$DEFINE SYN_CPPB}
{$DEFINE SYN_CPPB_1}
{$ENDIF}
{$IFDEF VER90}
{$DEFINE SYN_COMPILER_2}
{$DEFINE SYN_DELPHI}
{$DEFINE SYN_DELPHI_2}
{$ENDIF}
{$IFDEF SYN_COMPILER_2}
{$DEFINE SYN_COMPILER_1_UP}
{$DEFINE SYN_COMPILER_2_UP}
{$ENDIF}
{$IFDEF SYN_COMPILER_3}
{$DEFINE SYN_COMPILER_1_UP}
{$DEFINE SYN_COMPILER_2_UP}
{$DEFINE SYN_COMPILER_3_UP}
{$ENDIF}
{$IFDEF SYN_COMPILER_4}
{$DEFINE SYN_COMPILER_1_UP}
{$DEFINE SYN_COMPILER_2_UP}
{$DEFINE SYN_COMPILER_3_UP}
{$DEFINE SYN_COMPILER_4_UP}
{$ENDIF}
{$IFDEF SYN_COMPILER_5}
{$DEFINE SYN_COMPILER_1_UP}
{$DEFINE SYN_COMPILER_2_UP}
{$DEFINE SYN_COMPILER_3_UP}
{$DEFINE SYN_COMPILER_4_UP}
{$DEFINE SYN_COMPILER_5_UP}
{$ENDIF}
{$IFDEF SYN_DELPHI_2}
{$DEFINE SYN_DELPHI_2_UP}
{$ENDIF}
{$IFDEF SYN_DELPHI_3}
{$DEFINE SYN_DELPHI_2_UP}
{$DEFINE SYN_DELPHI_3_UP}
{$ENDIF}
{$IFDEF SYN_DELPHI_4}
{$DEFINE SYN_DELPHI_2_UP}
{$DEFINE SYN_DELPHI_3_UP}
{$DEFINE SYN_DELPHI_4_UP}
{$ENDIF}
{$IFDEF SYN_DELPHI_5}
{$DEFINE SYN_DELPHI_2_UP}
{$DEFINE SYN_DELPHI_3_UP}
{$DEFINE SYN_DELPHI_4_UP}
{$DEFINE SYN_DELPHI_5_UP}
{$ENDIF}
{$IFDEF SYN_CPPB_3}
{$DEFINE SYN_CPPB_3_UP}
{$ENDIF}
{$IFDEF SYN_COMPILER_3_UP}
{$DEFINE SYN_NO_COM_CLEANUP}
{$ENDIF}
{$IFDEF SYN_CPPB_3_UP}
// C++Builder requires this if you use Delphi components in run-time packages.
{$ObjExportAll On}
{$ENDIF}
{$IFDEF FPC}
{$DEFINE SYN_COMPILER_1_UP}
{$DEFINE SYN_COMPILER_2_UP}
{$DEFINE SYN_COMPILER_3_UP}
{$DEFINE SYN_COMPILER_4_UP}
{$DEFINE SYN_DELPHI_2_UP}
{$DEFINE SYN_DELPHI_3_UP}
{$DEFINE SYN_DELPHI_4_UP}
{$DEFINE SYN_DELPHI_5_UP}
{$DEFINE SYN_LAZARUS}
{$ENDIF}
{------------------------------------------------------------------------------}
{ Common compiler defines }
{------------------------------------------------------------------------------}
// defaults are short evaluation of boolean values and long strings
// lazarus change no $B-
{$H+}
{------------------------------------------------------------------------------}
{ Please change this to suit your needs }
{------------------------------------------------------------------------------}
// support for multibyte character sets
{$IFDEF SYN_COMPILER_3_UP}
{$IFNDEF SYN_LAZARUS}
{$DEFINE SYN_MBCSSUPPORT}
{$ENDIF}
{$ENDIF}
// additional tests for debugging
{.$DEFINE SYN_DEVELOPMENT_CHECKS}
{$IFDEF SYN_DEVELOPMENT_CHECKS}
{$R+,Q+,S+,T+}
{$ENDIF}
interface
uses
{$IFDEF SYN_CLX}
QGraphics,
QSynEditTypes,
QSynEditHighlighter,
{$ELSE}
Graphics,
SynEditTypes,
SynEditHighlighter,
{$ENDIF}
SysUtils,
Classes;
type
TtkTokenKind = (
tkComment,
tkIdentifier,
tkKey,
tkLuaMString,
tkNull,
tkNumber,
tkOctal,
tkHex,
tkFloat,
tkSpace,
tkString,
tkUnknown);
TRangeState = (rsUnKnown, rsLuaComment, rsLuaMComment, rsLuaMString, rsString1, rsString2);
TProcTableProc = procedure of object;
PIdentFuncTableFunc = ^TIdentFuncTableFunc;
TIdentFuncTableFunc = function: TtkTokenKind of object;
const
MaxKey = 110;
type
TSynLuaSyn = class(TSynCustomHighlighter)
private
fLineRef: string;
fLine: PChar;
fLineNumber: Integer;
fProcTable: array[#0..#255] of TProcTableProc;
fRange: TRangeState;
fSepCnt: Integer;
Run: LongInt;
fStringLen: Integer;
fToIdent: PChar;
fTokenPos: Integer;
fTokenID: TtkTokenKind;
fIdentFuncTable: array[0 .. MaxKey] of TIdentFuncTableFunc;
fCommentAttri: TSynHighlighterAttributes;
fIdentifierAttri: TSynHighlighterAttributes;
fKeyAttri: TSynHighlighterAttributes;
fLuaMStringAttri: TSynHighlighterAttributes;
fNumberAttri: TSynHighlighterAttributes;
fSpaceAttri: TSynHighlighterAttributes;
fStringAttri: TSynHighlighterAttributes;
function KeyHash(ToHash: PChar): Integer;
function KeyComp(const aKey: string): Boolean;
function Func17: TtkTokenKind;
function Func21: TtkTokenKind;
function Func22: TtkTokenKind;
function Func25: TtkTokenKind;
function Func26: TtkTokenKind;
function Func35: TtkTokenKind;
function Func38: TtkTokenKind;
function Func42: TtkTokenKind;
function Func45: TtkTokenKind;
function Func48: TtkTokenKind;
function Func51: TtkTokenKind;
function Func52: TtkTokenKind;
function Func57: TtkTokenKind;
function Func61: TtkTokenKind;
function Func62: TtkTokenKind;
function Func67: TtkTokenKind;
function Func68: TtkTokenKind;
function Func70: TtkTokenKind;
function Func71: TtkTokenKind;
function Func81: TtkTokenKind;
function Func82: TtkTokenKind;
function Func102: TtkTokenKind;
function Func110: TtkTokenKind;
procedure IdentProc;
procedure UnknownProc;
function AltFunc: TtkTokenKind;
procedure InitIdent;
function IdentKind(MayBe: PChar): TtkTokenKind;
procedure MakeMethodTables;
procedure NullProc;
procedure SpaceProc;
procedure CRProc;
procedure LFProc;
procedure LuaCommentOpenProc;
procedure LuaCommentProc;
procedure LuaMCommentOpenProc;
procedure LuaMCommentProc;
procedure LuaMStringOpenProc;
procedure LuaMStringProc;
procedure String1OpenProc;
procedure String1Proc;
procedure String2OpenProc;
procedure String2Proc;
procedure NumberProc;
function LongDelimCheck(aRun: integer): integer;
protected
function GetIdentChars: TSynIdentChars; override;
function GetSampleSource: string; override;
function IsFilterStored: Boolean; override;
public
constructor Create(AOwner: TComponent); override;
{$IFNDEF SYN_CPPB_1} class {$ENDIF}
function GetLanguageName: string; override;
function GetRange: Pointer; override;
procedure ResetRange; override;
procedure SetRange(Value: Pointer); override;
function GetDefaultAttribute(Index: integer): TSynHighlighterAttributes; override;
function GetEol: Boolean; override;
function GetKeyWords: string;
function GetTokenID: TtkTokenKind;
procedure SetLine(const NewValue: String; LineNumber: Integer); override;
function GetToken: String; override;
{$IFDEF SYN_LAZARUS}
procedure GetTokenEx(out TokenStart: PChar; out TokenLength: integer); override;
{$ENDIF}
function GetTokenAttribute: TSynHighlighterAttributes; override;
function GetTokenKind: integer; override;
function GetTokenPos: Integer; override;
procedure Next; override;
published
property CommentAttri: TSynHighlighterAttributes read fCommentAttri write fCommentAttri;
property IdentifierAttri: TSynHighlighterAttributes read fIdentifierAttri write fIdentifierAttri;
property KeyAttri: TSynHighlighterAttributes read fKeyAttri write fKeyAttri;
property LuaMStringAttri: TSynHighlighterAttributes read fLuaMStringAttri write fLuaMStringAttri;
property NumberAttri: TSynHighlighterAttributes read fNumberAttri write fNumberAttri;
property SpaceAttri: TSynHighlighterAttributes read fSpaceAttri write fSpaceAttri;
property StringAttri: TSynHighlighterAttributes read fStringAttri write fStringAttri;
end;
implementation
uses
{$IFDEF SYN_CLX}
QSynEditStrConst;
{$ELSE}
SynEditStrConst;
{$ENDIF}
{$IFDEF SYN_COMPILER_3_UP}
resourcestring
{$ELSE}
const
{$ENDIF}
SYNS_FilterLua = 'Lua Files (*.lua, *.lpr)|*.lua;*.lpr';
SYNS_LangLua = 'Lua';
SYNS_AttrLuaMString = 'LuaMString';
SYNS_AttrNumber = 'Numbers';
var
Identifiers: array[#0..#255] of ByteBool;
mHashTable : array[#0..#255] of Integer;
procedure MakeIdentTable;
var
I: Char;
begin
for I := #0 to #255 do
begin
case I of
'_', '0'..'9', 'a'..'z', 'A'..'Z': Identifiers[I] := True;
else
Identifiers[I] := False;
end;
case I in ['_', 'A'..'Z', 'a'..'z'] of
True:
begin
if (I > #64) and (I < #91) then
mHashTable[I] := Ord(I) - 64
else if (I > #96) then
mHashTable[I] := Ord(I) - 95;
end;
else
mHashTable[I] := 0;
end;
end;
end;
procedure TSynLuaSyn.InitIdent;
var
I: Integer;
pF: PIdentFuncTableFunc;
begin
pF := PIdentFuncTableFunc(@fIdentFuncTable);
for I := Low(fIdentFuncTable) to High(fIdentFuncTable) do
begin
pF^ := {$IFDEF FPC}@{$ENDIF}AltFunc;
Inc(pF);
end;
fIdentFuncTable[17] := {$IFDEF FPC}@{$ENDIF}Func17;
fIdentFuncTable[21] := {$IFDEF FPC}@{$ENDIF}Func21;
fIdentFuncTable[22] := {$IFDEF FPC}@{$ENDIF}Func22;
fIdentFuncTable[25] := {$IFDEF FPC}@{$ENDIF}Func25;
fIdentFuncTable[26] := {$IFDEF FPC}@{$ENDIF}Func26;
fIdentFuncTable[35] := {$IFDEF FPC}@{$ENDIF}Func35;
fIdentFuncTable[38] := {$IFDEF FPC}@{$ENDIF}Func38;
fIdentFuncTable[42] := {$IFDEF FPC}@{$ENDIF}Func42;
fIdentFuncTable[45] := {$IFDEF FPC}@{$ENDIF}Func45;
fIdentFuncTable[48] := {$IFDEF FPC}@{$ENDIF}Func48;
fIdentFuncTable[51] := {$IFDEF FPC}@{$ENDIF}Func51;
fIdentFuncTable[52] := {$IFDEF FPC}@{$ENDIF}Func52;
fIdentFuncTable[57] := {$IFDEF FPC}@{$ENDIF}Func57;
fIdentFuncTable[61] := {$IFDEF FPC}@{$ENDIF}Func61;
fIdentFuncTable[62] := {$IFDEF FPC}@{$ENDIF}Func62;
fIdentFuncTable[67] := {$IFDEF FPC}@{$ENDIF}Func67;
fIdentFuncTable[68] := {$IFDEF FPC}@{$ENDIF}Func68;
fIdentFuncTable[70] := {$IFDEF FPC}@{$ENDIF}Func70;
fIdentFuncTable[71] := {$IFDEF FPC}@{$ENDIF}Func71;
fIdentFuncTable[81] := {$IFDEF FPC}@{$ENDIF}Func81;
fIdentFuncTable[82] := {$IFDEF FPC}@{$ENDIF}Func82;
fIdentFuncTable[102] := {$IFDEF FPC}@{$ENDIF}Func102;
fIdentFuncTable[110] := {$IFDEF FPC}@{$ENDIF}Func110;
end;
function TSynLuaSyn.KeyHash(ToHash: PChar): Integer;
begin
Result := 0;
while ToHash^ in ['_', 'a'..'z', 'A'..'Z'] do
begin
inc(Result, mHashTable[ToHash^]);
inc(ToHash);
end;
fStringLen := ToHash - fToIdent;
end;
function TSynLuaSyn.KeyComp(const aKey: String): Boolean;
var
I: Integer;
Temp: PChar;
begin
Temp := fToIdent;
if Length(aKey) = fStringLen then
begin
Result := True;
for i := 1 to fStringLen do
begin
if Temp^ <> aKey[i] then
begin
Result := False;
break;
end;
inc(Temp);
end;
end else Result := False;
end;
function TSynLuaSyn.Func17: TtkTokenKind;
begin
if KeyComp('if') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func21: TtkTokenKind;
begin
if KeyComp('do') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func22: TtkTokenKind;
begin
if KeyComp('and') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func25: TtkTokenKind;
begin
if KeyComp('in') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func26: TtkTokenKind;
begin
if KeyComp('end') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func35: TtkTokenKind;
begin
if KeyComp('or') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func38: TtkTokenKind;
begin
if KeyComp('nil') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func42: TtkTokenKind;
begin
if KeyComp('for') then Result := tkKey else
if KeyComp('break') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func45: TtkTokenKind;
begin
if KeyComp('else') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func48: TtkTokenKind;
begin
if KeyComp('local') then Result := tkKey else
if KeyComp('false') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func51: TtkTokenKind;
begin
if KeyComp('then') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func52: TtkTokenKind;
begin
if KeyComp('not') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func57: TtkTokenKind;
begin
if KeyComp('loaddll') then Result := tkIdentifier else Result := tkIdentifier;
end;
function TSynLuaSyn.Func61: TtkTokenKind;
begin
if KeyComp('asd') then Result := tkIdentifier else Result := tkIdentifier;
end;
function TSynLuaSyn.Func62: TtkTokenKind;
begin
if KeyComp('while') then Result := tkKey else
if KeyComp('print') then Result := tkIdentifier else
if KeyComp('elseif') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func67: TtkTokenKind;
begin
if KeyComp('asd') then Result := tkIdentifier else Result := tkIdentifier;
end;
function TSynLuaSyn.Func68: TtkTokenKind;
begin
if KeyComp('true') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func70: TtkTokenKind;
begin
if KeyComp('asd') then Result := tkIdentifier else
if KeyComp('asd') then Result := tkIdentifier else
if KeyComp('dofile') then Result := tkIdentifier else Result := tkIdentifier;
end;
function TSynLuaSyn.Func71: TtkTokenKind;
begin
if KeyComp('repeat') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func81: TtkTokenKind;
begin
if KeyComp('until') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func82: TtkTokenKind;
begin
if KeyComp('asd') then Result := tkIdentifier else
if KeyComp('asd') then Result := tkIdentifier else
if KeyComp('beep') then Result := tkIdentifier else Result := tkIdentifier;
end;
function TSynLuaSyn.Func102: TtkTokenKind;
begin
if KeyComp('return') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.Func110: TtkTokenKind;
begin
if KeyComp('function') then Result := tkKey else Result := tkIdentifier;
end;
function TSynLuaSyn.AltFunc: TtkTokenKind;
begin
Result := tkIdentifier;
end;
function TSynLuaSyn.IdentKind(MayBe: PChar): TtkTokenKind;
var
HashKey: Integer;
begin
fToIdent := MayBe;
HashKey := KeyHash(MayBe);
if HashKey <= MaxKey then
Result := fIdentFuncTable[HashKey]{$IFDEF FPC}(){$ENDIF}
else
Result := tkIdentifier;
end;
procedure TSynLuaSyn.MakeMethodTables;
var
I: Char;
begin
for I := #0 to #255 do
case I of
#0: fProcTable[I] := {$IFDEF FPC}@{$ENDIF}NullProc;
#10: fProcTable[I] := {$IFDEF FPC}@{$ENDIF}LFProc;
#13: fProcTable[I] := {$IFDEF FPC}@{$ENDIF}CRProc;
'-': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}LuaCommentOpenProc;
'[': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}LuaMStringOpenProc;
'"': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}String1OpenProc;
'''': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}String2OpenProc;
#1..#9, #11, #12, #14..#32 : fProcTable[I] := {$IFDEF FPC}@{$ENDIF}SpaceProc;
'0'..'9': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}NumberProc;
'A'..'Z', 'a'..'z', '_': fProcTable[I] := {$IFDEF FPC}@{$ENDIF}IdentProc;
else
fProcTable[I] := {$IFDEF FPC}@{$ENDIF}UnknownProc;
end;
end;
procedure TSynLuaSyn.SpaceProc;
begin
fTokenID := tkSpace;
repeat
inc(Run);
until not (fLine[Run] in [#1..#32]);
end;
procedure TSynLuaSyn.NullProc;
begin
fTokenID := tkNull;
end;
procedure TSynLuaSyn.CRProc;
begin
fTokenID := tkSpace;
inc(Run);
if fLine[Run] = #10 then
inc(Run);
end;
procedure TSynLuaSyn.LFProc;
begin
fTokenID := tkSpace;
inc(Run);
end;
function TSynLuaSyn.LongDelimCheck(aRun: integer): integer;
var sep: integer;
begin
sep:=1;
while (fLine[aRun+sep]='=') and (sep<255) do Inc(sep);
if fLine[aRun]=fLine[aRun+Sep] then exit(sep);
result:=0;
end;
procedure TSynLuaSyn.LuaCommentOpenProc;
var sep: Integer;
begin
Inc(Run);
fSepCnt:=0;
if (fLine[Run] = '-') and
(fLine[Run + 1] = '[') then
begin
sep:=LongDelimCheck(Run+1);
fSepCnt:=sep;
if sep>0 then
begin
Inc(Run, sep + 1);
LuaMCommentOpenProc;
exit;
end;
end;
if (fLine[Run] = '-') then
begin
fRange := rsLuaComment;
LuaCommentProc;
fTokenID := tkComment;
end
else
fTokenID := tkIdentifier;
end;
procedure TSynLuaSyn.LuaCommentProc;
begin
fTokenID := tkComment;
repeat
if (fLine[Run] = '@') and
(fLine[Run + 1] = '') and
(fLine[Run + 2] = '') and
(fLine[Run + 3] = '') and
(fLine[Run + 4] = '@') and
(fLine[Run + 5] = '') and
(fLine[Run + 6] = '') and
(fLine[Run + 7] = '@') then
begin
Inc(Run, 8);
fRange := rsUnKnown;
Break;
end;
if not (fLine[Run] in [#0, #10, #13]) then
Inc(Run);
until fLine[Run] in [#0, #10, #13];
end;
procedure TSynLuaSyn.LuaMCommentOpenProc;
begin
fRange := rsLuaMComment;
LuaMCommentProc;
fTokenID := tkComment;
end;
procedure TSynLuaSyn.LuaMCommentProc;
var sep: Integer;
begin
case fLine[Run] of
#0: NullProc;
#10: LFProc;
#13: CRProc;
else
begin
fTokenID := tkComment;
repeat
if (fLine[Run] = ']') then
begin
sep:=LongDelimCheck(Run);
if (sep>0) and (sep=fSepCnt) then
begin
Inc(Run, sep + 1);
fRange := rsUnKnown;
fSepCnt:=0;
Break;
end;
end;
if not (fLine[Run] in [#0, #10, #13]) then
Inc(Run);
until fLine[Run] in [#0, #10, #13];
end;
end;
end;
procedure TSynLuaSyn.LuaMStringOpenProc;
var sep: Integer;
begin
Inc(Run);
sep:=LongDelimCheck(Run-1);
fSepCnt:=sep;
if sep>0 then
begin
Inc(Run, sep - 1);
fRange := rsLuaMString;
LuaMStringProc;
fTokenID := tkLuaMString;
end
else
fTokenID := tkIdentifier;
end;
procedure TSynLuaSyn.LuaMStringProc;
var sep: Integer;
begin
case fLine[Run] of
#0: NullProc;
#10: LFProc;
#13: CRProc;
else
begin
fTokenID := tkLuaMString;
repeat
if (fLine[Run] = ']') then
begin
sep:=LongDelimCheck(Run);
if (sep>0) and (sep=fSepCnt) then
begin
Inc(Run, sep + 1);
fRange := rsUnKnown;
fSepCnt:=0;
Break;
end;
end;
if not (fLine[Run] in [#0, #10, #13]) then
Inc(Run);
until fLine[Run] in [#0, #10, #13];
end;
end;
end;
procedure TSynLuaSyn.NumberProc;
var
idx1: Integer; // token[1]
i: Integer;
begin
idx1 := Run;
Inc(Run);
fTokenID := tkNumber;
while FLine[Run] in
['0'..'9', 'A'..'F', 'a'..'f', '.', 'u', 'U', 'l', 'L', 'x', 'X', '-', '+'] do
begin
case FLine[Run] of
'.':
if FLine[Succ(Run)] = '.' then
Break
else
if (fTokenID <> tkHex) then
fTokenID := tkFloat
else // invalid
begin
fTokenID := tkUnknown;
Exit;
end;
'-', '+':
begin
if fTokenID <> tkFloat then // number <> float. an arithmetic operator
Exit;
if not (FLine[Pred(Run)] in ['e', 'E']) then
Exit; // number = float, but no exponent. an arithmetic operator
if not (FLine[Succ(Run)] in ['0'..'9', '+', '-']) then // invalid
begin
Inc(Run);
fTokenID := tkUnknown;
Exit;
end
end;
'0'..'7':
if (Run = Succ(idx1)) and (FLine[idx1] = '0') then // octal number
fTokenID := tkNumber; // Jean-Franois Goulet - Changed for token Number because token Octal was plain text and cannot be modified...
'8', '9':
if (FLine[idx1] = '0') and
((fTokenID <> tkHex) and (fTokenID <> tkFloat)) then // invalid octal char
fTokenID := tkUnknown;
'a'..'d', 'A'..'D':
if fTokenID <> tkHex then // invalid char
Break;
'e', 'E':
if (fTokenID <> tkHex) then
if FLine[Pred(Run)] in ['0'..'9'] then // exponent
begin
for i := idx1 to Pred(Run) do
if FLine[i] in ['e', 'E'] then // too many exponents
begin
fTokenID := tkUnknown;
Exit;
end;
if not (FLine[Succ(Run)] in ['0'..'9', '+', '-']) then
Break
else
fTokenID := tkFloat
end
else // invalid char
Break;
'f', 'F':
if fTokenID <> tkHex then
begin
for i := idx1 to Pred(Run) do
if FLine[i] in ['f', 'F'] then // declaration syntax error
begin
fTokenID := tkUnknown;
Exit;
end;
if fTokenID = tkFloat then
begin
if fLine[Pred(Run)] in ['l', 'L'] then // can't mix
Break;
end
else
fTokenID := tkFloat;
end;
'l', 'L':
begin
for i := idx1 to Pred(Run) do
if FLine[i] in ['l', 'L'] then // declaration syntax error
begin
fTokenID := tkUnknown;
Exit;
end;
if fTokenID = tkFloat then
if fLine[Pred(Run)] in ['f', 'F'] then // can't mix
Break;
end;
'u', 'U':
if fTokenID = tkFloat then // not allowed
Break
else
for i := idx1 to Pred(Run) do
if FLine[i] in ['u', 'U'] then // declaration syntax error
begin
fTokenID := tkUnknown;
Exit;
end;
'x', 'X':
if (Run = Succ(idx1)) and // 0x... 'x' must be second char
(FLine[idx1] = '0') and // 0x...
(FLine[Succ(Run)] in ['0'..'9', 'a'..'f', 'A'..'F']) then // 0x... must be continued with a number
fTokenID := tkHex
else // invalid char
begin
if (not Identifiers[fLine[Succ(Run)]]) and
(FLine[Succ(idx1)] in ['x', 'X']) then
begin
Inc(Run); // highlight 'x' too
fTokenID := tkUnknown;
end;
Break;
end;
end; // case
Inc(Run);
end; // while
if FLine[Run] in ['A'..'Z', 'a'..'z', '_'] then
fTokenID := tkUnknown;
end;
procedure TSynLuaSyn.String1OpenProc;
begin
Inc(Run);
fRange := rsString1;
String1Proc;
fTokenID := tkString;
end;
procedure TSynLuaSyn.String1Proc;
begin
fTokenID := tkString;
repeat
if (((fLine[Run] = '"') and (fLine[Run - 1] <> '\')) or ((fLine[Run - 1] = '\') and (fLine[Run - 2] = '\') and (fLine[Run] = '"'))) then
begin
Inc(Run, 1);
fRange := rsUnKnown;
Break;
end;
if not (fLine[Run] in [#0, #10, #13]) then
Inc(Run);
until fLine[Run] in [#0, #10, #13];
end;
procedure TSynLuaSyn.String2OpenProc;
begin
Inc(Run);
fRange := rsString2;
String2Proc;
fTokenID := tkString;
end;
procedure TSynLuaSyn.String2Proc;
begin
fTokenID := tkString;
repeat
if (fLine[Run] = '''') then
begin
Inc(Run, 1);
fRange := rsUnKnown;
Break;
end;
if not (fLine[Run] in [#0, #10, #13]) then
Inc(Run);
until fLine[Run] in [#0, #10, #13];
end;
constructor TSynLuaSyn.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
fCommentAttri := TSynHighLighterAttributes.Create(SYNS_AttrComment);
fCommentAttri.Style := [fsItalic];
fCommentAttri.Foreground := clGray;
AddAttribute(fCommentAttri);
fIdentifierAttri := TSynHighLighterAttributes.Create(SYNS_AttrIdentifier);
AddAttribute(fIdentifierAttri);
fKeyAttri := TSynHighLighterAttributes.Create(SYNS_AttrReservedWord);
fKeyAttri.Style := [fsBold];
AddAttribute(fKeyAttri);
fLuaMStringAttri := TSynHighLighterAttributes.Create(SYNS_AttrLuaMString);
fLuaMStringAttri.Foreground := clNavy;
AddAttribute(fLuaMStringAttri);
fNumberAttri := TSynHighLighterAttributes.Create(SYNS_AttrNumber);
fNumberAttri.Foreground := clBlue;
AddAttribute(fNumberAttri);
fSpaceAttri := TSynHighLighterAttributes.Create(SYNS_AttrSpace);
AddAttribute(fSpaceAttri);
fStringAttri := TSynHighLighterAttributes.Create(SYNS_AttrString);
fStringAttri.Foreground := clNavy;
AddAttribute(fStringAttri);
SetAttributesOnChange({$IFDEF FPC}@{$ENDIF}DefHighlightChange);
InitIdent;
MakeMethodTables;
fDefaultFilter := SYNS_FilterLua;
fRange := rsUnknown;
end;
procedure TSynLuaSyn.SetLine(const NewValue: String; LineNumber: Integer);
begin
fLineRef := NewValue;
fLine := PChar(fLineRef);
Run := 0;
fLineNumber := LineNumber;
Next;
end;
procedure TSynLuaSyn.IdentProc;
begin
fTokenID := IdentKind((fLine + Run));
inc(Run, fStringLen);
while Identifiers[fLine[Run]] do
Inc(Run);
end;
procedure TSynLuaSyn.UnknownProc;
begin
{$IFDEF SYN_MBCSSUPPORT}
if FLine[Run] in LeadBytes then
Inc(Run,2)
else
{$ENDIF}
if ord(fline[run])>$80 then
inc(Run,2)
else
inc(run);
fTokenID := tkUnknown;
end;
procedure TSynLuaSyn.Next;
begin
fTokenPos := Run;
case fRange of
rsLuaMComment: LuaMCommentProc;
rsLuaMString: LuaMStringProc;
else
begin
fRange := rsUnknown;
fProcTable[fLine[Run]];
end;
end;
end;
function TSynLuaSyn.GetDefaultAttribute(Index: integer): TSynHighLighterAttributes;
begin
case Index of
SYN_ATTR_COMMENT : Result := fCommentAttri;
SYN_ATTR_IDENTIFIER : Result := fIdentifierAttri;
SYN_ATTR_KEYWORD : Result := fKeyAttri;
SYN_ATTR_STRING : Result := fStringAttri;
SYN_ATTR_WHITESPACE : Result := fSpaceAttri;
else
Result := nil;
end;
end;
function TSynLuaSyn.GetEol: Boolean;
begin
Result := fTokenID = tkNull;
end;
function TSynLuaSyn.GetKeyWords: string;
begin
Result :=
'and,break,do,dofile,else,elseif,end,exit,false,for,function,if,in,loa' +
'ddll,local,nil,not,or,print,repeat,return,Sleep,then,true,type,until,w' +
'hile';
end;
function TSynLuaSyn.GetToken: String;
var
Len: LongInt;
begin
Len := Run - fTokenPos;
SetString(Result, (FLine + fTokenPos), Len);
end;
{$IFDEF SYN_LAZARUS}
procedure TSynLuaSyn.GetTokenEx(out TokenStart: PChar;
out TokenLength: integer);
begin
TokenLength:=Run-fTokenPos;
TokenStart:=FLine + fTokenPos;
end;
{$ENDIF}
function TSynLuaSyn.GetTokenID: TtkTokenKind;
begin
Result := fTokenId;
end;
function TSynLuaSyn.GetTokenAttribute: TSynHighLighterAttributes;
begin
case GetTokenID of
tkComment: Result := fCommentAttri;
tkIdentifier: Result := fIdentifierAttri;
tkKey: Result := fKeyAttri;
tkLuaMString: Result := fLuaMStringAttri;
tkNumber, tkFloat: Result := fNumberAttri;
tkSpace: Result := fSpaceAttri;
tkString: Result := fStringAttri;
tkUnknown: Result := fIdentifierAttri;
else
Result := nil;
end;
end;
function TSynLuaSyn.GetTokenKind: integer;
begin
Result := Ord(fTokenId);
end;
function TSynLuaSyn.GetTokenPos: Integer;
begin
Result := fTokenPos;
end;
function TSynLuaSyn.GetIdentChars: TSynIdentChars;
begin
Result := ['_', 'a'..'z', 'A'..'Z'];
end;
function TSynLuaSyn.GetSampleSource: string;
begin
Result := 'Sample source for: '#13#10 +
'Lua Syntax Parser/Highlighter';
end;
function TSynLuaSyn.IsFilterStored: Boolean;
begin
Result := fDefaultFilter <> SYNS_FilterLua;
end;
{$IFNDEF SYN_CPPB_1} class {$ENDIF}
function TSynLuaSyn.GetLanguageName: string;
begin
Result := SYNS_LangLua;
end;
procedure TSynLuaSyn.ResetRange;
begin
fRange := rsUnknown;
end;
procedure TSynLuaSyn.SetRange(Value: Pointer);
begin
fRange := TRangeState(PtrUInt(Value));
end;
function TSynLuaSyn.GetRange: Pointer;
begin
Result := Pointer(PtrUInt(fRange));
end;
initialization
MakeIdentTable;
{$IFNDEF SYN_CPPB_1}
RegisterPlaceableHighlighter(TSynLuaSyn);
{$ENDIF}
end.
Reference in a new issue View git blame Copy permalink