{------------------------------------------------------------------------------- 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. The Original Code is: SynHighlighterCache.pas, released 2000-04-21. The Original Code is based on the mwCacheSyn.pas file from the mwEdit component suite by Martin Waldenburg and other developers, the Initial Author of this file is Pavel Krehula. Unicode translation by Maël Hörz. 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: SynHighlighterCache.pas,v 1.13.2.6 2008/09/14 16:24:59 maelh Exp $ You may retrieve the latest version of this file at the SynEdit home page, located at http://SynEdit.SourceForge.net Known Issues: -------------------------------------------------------------------------------} { @abstract(Provides a Cache object script files highlighter for SynEdit) @author(Pavel Krehula , converted to SynEdit by Bruno Mikkelsen ) @created(1999-12-17, converted to SynEdit 2000-04-21) @lastmod(2000-06-23) The SynHighlighterCache unit provides SynEdit with a Cache object script files highlighter. Thanks to Martin Waldenburg. } unit SynHighlighterCache; {$I SynEdit.inc} interface uses Graphics, SynEditTypes, SynEditHighlighter, SynUnicode, SysUtils, Classes; type TtkTokenKind = (tkClass, tkComment, tkFunction, tkIdentifier, tkKey, tkNull, tkNumber, tkDirective, tkSpace, tkString, tkSymbol, tkIndirect, tkLabel, tkMacro, tkUserFunction, tkEmbedSQL, tkEmbedText, tkUnknown); TRangeState = (rsUnknown, rsSQL, rsHTML, rsCommand); PIdentFuncTableFunc = ^TIdentFuncTableFunc; TIdentFuncTableFunc = function (Index: Integer): TtkTokenKind of object; type TSynCacheSyn = class(TSynCustomHighlighter) private FBrace: LongInt; FFirstBrace: Boolean; FRange: TRangeState; FTokenID: TtkTokenKind; FIdentFuncTable: array[0..1996] of TIdentFuncTableFunc; FClassAttri: TSynHighlighterAttributes; FCommentAttri: TSynHighlighterAttributes; FFunctionAttri: TSynHighlighterAttributes; FIdentifierAttri: TSynHighlighterAttributes; FKeyAttri: TSynHighlighterAttributes; FNumberAttri: TSynHighlighterAttributes; FDirectiveAttri: TSynHighlighterAttributes; FSpaceAttri: TSynHighlighterAttributes; FStringAttri: TSynHighlighterAttributes; FSymbolAttri: TSynHighlighterAttributes; FIndirectAttri: TSynHighlighterAttributes; FLabelAttri: TSynHighlighterAttributes; FMacroAttri: TSynHighlighterAttributes; FUserFunctionAttri: TSynHighlighterAttributes; FEmbedSQLAttri: TSynHighlighterAttributes; FEmbedTextAttri: TSynHighlighterAttributes; FCanKey: Boolean; // if true, the next token can be a keyword function AltFunc(Index: Integer): TtkTokenKind; function KeyWordFunc(Index: Integer): TtkTokenKind; function Func38html(Index: Integer): TtkTokenKind; function Func38sql(Index: Integer): TtkTokenKind; function HashKey(Str: PWideChar): Cardinal; function IdentKind(MayBe: PWideChar): TtkTokenKind; procedure InitIdent; procedure CRProc; procedure CommentProc; procedure IdentProc; procedure LFProc; procedure NullProc; procedure NumberProc; procedure SpaceProc; procedure StringProc; procedure UnknownProc; procedure IndirectProc; procedure SymbolProc; procedure FuncProc; procedure DirectiveProc; procedure EmbeddedProc; protected function IsFilterStored: Boolean; override; public class function GetLanguageName: string; override; class function GetFriendlyLanguageName: UnicodeString; override; public constructor Create(AOwner: TComponent); override; function GetDefaultAttribute(Index: Integer): TSynHighlighterAttributes; override; function GetEol: Boolean; override; function GetRange: Pointer; override; function GetTokenID: TtkTokenKind; function GetTokenAttribute: TSynHighlighterAttributes; override; function GetTokenKind: Integer; override; function IsIdentChar(AChar: WideChar): Boolean; override; procedure Next; override; procedure SetRange(Value: Pointer); override; procedure ResetRange; override; published property ClassAttri: TSynHighlighterAttributes read FClassAttri write FClassAttri; property CommentAttri: TSynHighlighterAttributes read FCommentAttri write FCommentAttri; property FunctionAttri: TSynHighlighterAttributes read FFunctionAttri write FFunctionAttri; property IdentifierAttri: TSynHighlighterAttributes read FIdentifierAttri write FIdentifierAttri; property KeyAttri: TSynHighlighterAttributes read FKeyAttri write FKeyAttri; property NumberAttri: TSynHighlighterAttributes read FNumberAttri write FNumberAttri; property PreprocesorAttri: TSynHighlighterAttributes read FDirectiveAttri write FDirectiveAttri; property SpaceAttri: TSynHighlighterAttributes read FSpaceAttri write FSpaceAttri; property StringAttri: TSynHighlighterAttributes read FStringAttri write FStringAttri; property SymbolAttri: TSynHighlighterAttributes read FSymbolAttri write FSymbolAttri; property IndirectAttri: TSynHighlighterAttributes read FIndirectAttri write FIndirectAttri; property LabelAttri: TSynHighlighterAttributes read FLabelAttri write FLabelAttri; property MacroAttri: TSynHighlighterAttributes read FMacroAttri write FMacroAttri; property UserFunctionAttri: TSynHighlighterAttributes read FUserFunctionAttri write FUserFunctionAttri; property EmbededSQLandHTMLAttri: TSynHighlighterAttributes read FEmbedSQLAttri write FEmbedSQLAttri; property EmbededTextAttri: TSynHighlighterAttributes read FEmbedTextAttri write FEmbedTextAttri; end; implementation uses SynEditStrConst; const KeyWords: array[0..274] of UnicodeString = ( '$a', '$ascii', '$c', '$char', '$d', '$data', '$device', '$e', '$ec', '$ecode', '$es', '$estack', '$et', '$etrap', '$extract', '$f', '$find', '$fn', '$fnumber', '$g', '$get', '$h', '$horolog', '$i', '$in', '$increment', '$inumber', '$io', '$j', '$job', '$justify', '$k', '$key', '$l', '$lb', '$ld', '$length', '$lf', '$lg', '$li', '$list', '$listbuild', '$listdata', '$listfind', '$listget', '$listlength', '$ll', '$n', '$na', '$name', '$next', '$o', '$order', '$p', '$piece', '$principal', '$q', '$ql', '$qlength', '$qs', '$qsubscript', '$query', '$quit', '$r', '$random', '$re', '$reverse', '$s', '$select', '$st', '$stack', '$storage', '$t', '$test', '$text', '$tl', '$tlevel', '$tr', '$translate', '$vi', '$view', '$x', '$y', '$za', '$zabs', '$zarccos', '$zarcsin', '$zarctan', '$zb', '$zbitand', '$zbitcount', '$zbitfind', '$zbitget', '$zbitlen', '$zbitnot', '$zbitor', '$zbitset', '$zbitstr', '$zbitxor', '$zboolean', '$zc', '$zchild', '$zconvert', '$zcos', '$zcot', '$zcrc', '$zcsc', '$zcvt', '$zcyc', '$zdate', '$zdateh', '$zdatetime', '$zdatetimeh', '$ze', '$zeof', '$zerr', '$zerror', '$zexp', '$zf', '$zh', '$zhex', '$zhorolog', '$zi', '$zincr', '$zincrement', '$zio', '$zis', '$ziswide', '$zjob', '$zla', '$zlascii', '$zlc', '$zlchar', '$zln', '$zlog', '$zmode', '$zn', '$zname', '$znext', '$znspace', '$zo', '$zorder', '$zp', '$zparent', '$zpi', '$zpos', '$zposition', '$zpower', '$zprevious', '$zr', '$zreference', '$zs', '$zse', '$zsearch', '$zsec', '$zseek', '$zsin', '$zsort', '$zsqr', '$zstorage', '$zstrip', '$zt', '$ztan', '$zth', '$ztime', '$ztimeh', '$ztimestamp', '$ztrap', '$zts', '$zu', '$zutil', '$zv', '$zversion', '$zw', '$zwa', '$zwascii', '$zwbp', '$zwbpack', '$zwbunp', '$zwbunpack', '$zwc', '$zwchar', '$zwidth', '$zwp', '$zwpack', '$zwunp', '$zwunpack', '$zz', '$zzdec', '$zzenkaku', '$zzhex', '&html', '&sql', '^$g', '^$global', '^$j', '^$job', '^$l', '^$lock', '^$r', '^$routine', 'b', 'break', 'c', 'close', 'd', 'do', 'e', 'else', 'f', 'for', 'g', 'goto', 'h', 'halt', 'hang', 'i', 'if', 'j', 'job', 'k', 'kill', 'l', 'lock', 'm', 'merge', 'n', 'new', 'o', 'open', 'p', 'print', 'q', 'quit', 'r', 'read', 's', 'set', 'tc', 'tcommint', 'tro', 'trollback', 'ts', 'tstart', 'u', 'use', 'vi', 'view', 'w', 'write', 'x', 'xecute', 'zb', 'zbreak', 'zi', 'zinsert', 'zk', 'zkill', 'zl', 'zload', 'zn', 'znspace', 'zp', 'zprint', 'zq', 'zquit', 'zr', 'zremove', 'zs', 'zsave', 'zsync', 'ztrap', 'zw', 'zwrite', 'zzdump' ); KeyIndices: array[0..1996] of Integer = ( -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 139, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 186, -1, -1, -1, -1, -1, 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-1, 163, -1, -1, 15, -1, -1, -1 ); {$Q-} function TSynCacheSyn.HashKey(Str: PWideChar): Cardinal; begin Result := 0; while IsIdentChar(Str^) do begin Result := Result * 355 + Ord(Str^) * 71; Inc(Str); end; Result := Result mod 1997; FStringLen := Str - FToIdent; end; {$Q+} function TSynCacheSyn.IdentKind(MayBe: PWideChar): TtkTokenKind; var Key: Cardinal; begin FToIdent := MayBe; Key := HashKey(MayBe); if Key <= High(FIdentFuncTable) then Result := FIdentFuncTable[Key](KeyIndices[Key]) else Result := tkIdentifier; end; procedure TSynCacheSyn.InitIdent; var i: Integer; begin for i := Low(FIdentFuncTable) to High(FIdentFuncTable) do if KeyIndices[i] = -1 then FIdentFuncTable[i] := AltFunc; FIdentFuncTable[379] := Func38html; FIdentFuncTable[1125] := Func38sql; for i := Low(FIdentFuncTable) to High(FIdentFuncTable) do if @FIdentFuncTable[i] = nil then FIdentFuncTable[i] := KeyWordFunc; end; function TSynCacheSyn.AltFunc(Index: Integer): TtkTokenKind; begin Result := tkIdentifier; end; function TSynCacheSyn.KeyWordFunc(Index: Integer): TtkTokenKind; begin if IsCurrentToken(KeyWords[Index]) then Result := tkKey else Result := tkIdentifier end; function TSynCacheSyn.Func38html(Index: Integer): TtkTokenKind; begin if IsCurrentToken(KeyWords[Index]) then begin Result := tkEmbedSQL; FRange := rsHTML; end else Result := tkIdentifier; end; function TSynCacheSyn.Func38sql(Index: Integer): TtkTokenKind; begin if IsCurrentToken(KeyWords[Index]) then begin Result := tkEmbedSQL; FRange := rsSQL; end else Result := tkIdentifier; end; constructor TSynCacheSyn.Create(AOwner: TComponent); begin inherited Create(AOwner); FCaseSensitive := False; FClassAttri := TSynHighlighterAttributes.Create(SYNS_AttrClass, SYNS_FriendlyAttrClass); AddAttribute(FClassAttri); FCommentAttri := TSynHighlighterAttributes.Create(SYNS_AttrComment, SYNS_FriendlyAttrComment); FCommentAttri.Style := [fsItalic]; AddAttribute(FCommentAttri); FFunctionAttri := TSynHighlighterAttributes.Create(SYNS_AttrFunction, SYNS_FriendlyAttrFunction); AddAttribute(FFunctionAttri); FIdentifierAttri := TSynHighlighterAttributes.Create(SYNS_AttrIdentifier, SYNS_FriendlyAttrIdentifier); AddAttribute(FIdentifierAttri); FKeyAttri := TSynHighlighterAttributes.Create(SYNS_AttrReservedWord, SYNS_FriendlyAttrReservedWord); FKeyAttri.Style := [fsBold]; AddAttribute(FKeyAttri); FNumberAttri := TSynHighlighterAttributes.Create(SYNS_AttrNumber, SYNS_FriendlyAttrNumber); AddAttribute(FNumberAttri); FDirectiveAttri := TSynHighlighterAttributes.Create(SYNS_AttrDir, SYNS_FriendlyAttrDir); AddAttribute(FDirectiveAttri); FSpaceAttri := TSynHighlighterAttributes.Create(SYNS_AttrSpace, SYNS_FriendlyAttrSpace); AddAttribute(FSpaceAttri); FStringAttri := TSynHighlighterAttributes.Create(SYNS_AttrString, SYNS_FriendlyAttrString); AddAttribute(FStringAttri); FSymbolAttri := TSynHighlighterAttributes.Create(SYNS_AttrSymbol, SYNS_FriendlyAttrSymbol); AddAttribute(FSymbolAttri); FIndirectAttri := TSynHighlighterAttributes.Create(SYNS_AttrIndirect, SYNS_FriendlyAttrIndirect); AddAttribute(FIndirectAttri); FLabelAttri := TSynHighlighterAttributes.Create(SYNS_AttrLabel, SYNS_FriendlyAttrLabel); AddAttribute(FLabelAttri); FMacroAttri := TSynHighlighterAttributes.Create(SYNS_AttrMacro, SYNS_FriendlyAttrMacro); AddAttribute(FMacroAttri); FUserFunctionAttri := TSynHighlighterAttributes.Create(SYNS_AttrUserFunction, SYNS_FriendlyAttrUserFunction); AddAttribute(FUserFunctionAttri); FEmbedSQLAttri := TSynHighlighterAttributes.Create(SYNS_AttrEmbedSQL, SYNS_FriendlyAttrEmbedSQL); AddAttribute(FEmbedSQLAttri); FEmbedTextAttri := TSynHighlighterAttributes.Create(SYNS_AttrEmbedText, SYNS_FriendlyAttrEmbedText); AddAttribute(FEmbedTextAttri); SetAttributesOnChange(DefHighlightChange); InitIdent; FDefaultFilter := SYNS_FilterCache; FRange := rsUnknown; end; procedure TSynCacheSyn.CRProc; begin FTokenID := tkSpace; Inc(Run); if FLine[Run] = #10 then Inc(Run); FRange := rsUnknown; end; procedure TSynCacheSyn.CommentProc; begin FTokenID := tkComment; if FLine[Run+1]=';' then FTokenID := tkEmbedText; while FLine[Run] <> #0 do begin case FLine[Run] of #10, #13: Break; end; Inc(Run); end; end; //------------------------------------------------------------------------------ // higlight keywords and identifiers //------------------------------------------------------------------------------ procedure TSynCacheSyn.IdentProc; var fir: WideChar; begin if FTokenPos=0 then FTokenID := tkLabel else begin fir := FLine[Run]; if fir = '^' then FCanKey := true; FRange := rsUnknown; if FCanKey then FTokenID := IdentKind(FLine + Run) else begin FTokenID := tkIdentifier; while IsIdentChar(FLine[Run]) do Inc(Run); Exit; end; FRange := rsCommand; Inc(Run, FStringLen); if not (IsLineEnd(Run) or CharInSet(FLine[Run], [#32, ':'])) and (fir <> '^') then begin FTokenID := tkIdentifier; end end; while IsIdentChar(FLine[Run]) do Inc(Run); end; procedure TSynCacheSyn.LFProc; begin FTokenID := tkSpace; FCanKey := true; Inc(Run); end; procedure TSynCacheSyn.NullProc; begin FTokenID := tkNull; Inc(Run); end; procedure TSynCacheSyn.NumberProc; function IsNumberChar: Boolean; begin case FLine[Run] of '0'..'9', '.', 'e', 'E': Result := True; else Result := False; end; end; begin if (FTokenPos = 0) and CharInSet(FLine[Run], ['0'..'9']) then begin FTokenID := tkLabel; while IsIdentChar(FLine[Run]) do Inc(Run); FCanKey := False; Exit; end; Inc(Run); FTokenID := tkNumber; while IsNumberChar do begin case FLine[Run] of '.': if FLine[Run + 1] = '.' then Break; end; Inc(Run); end; FRange := rsUnknown; end; procedure TSynCacheSyn.SpaceProc; var x: Integer; begin x := Run; Inc(Run); FTokenID := tkSpace; while (FLine[Run] <= #32) and not IsLineEnd(Run) do Inc(Run); FCanKey := true; if FRange = rsCommand then FCanKey := (Run - x > 1); end; procedure TSynCacheSyn.StringProc; begin FTokenID := tkString; if (FLine[Run + 1] = #34) and (FLine[Run + 2] = #34) then Inc(Run, 2); repeat case FLine[Run] of #0, #10, #13: Break; end; Inc(Run); until FLine[Run] = #34; if FLine[Run] <> #0 then Inc(Run); FRange := rsUnknown; end; procedure TSynCacheSyn.UnknownProc; begin Inc(Run); FTokenID := tkUnknown; end; procedure TSynCacheSyn.Next; begin FTokenPos := Run; if FLine[Run] = #0 then NullProc else case FRange of rsSQL, rsHTML: EmbeddedProc; else case FLine[Run] of #13: CRProc; ';': CommentProc; 'A'..'Z', 'a'..'z', '%', '^': IdentProc; '$': FuncProc; '@': IndirectProc; #10: LFProc; #0: NullProc; '0'..'9': NumberProc; #1..#9, #11, #12, #14..#32: SpaceProc; #34: StringProc; '(',')','+','-','[',']','.','<','>','''','=',',',':','/','\', '?','!','_','*': SymbolProc; '#': DirectiveProc; '&': EmbeddedProc; else UnknownProc; end; end; inherited; end; function TSynCacheSyn.GetDefaultAttribute(Index: Integer): TSynHighlighterAttributes; begin case Index of SYN_ATTR_COMMENT: Result := FCommentAttri; SYN_ATTR_KEYWORD: Result := FKeyAttri; SYN_ATTR_WHITESPACE: Result := FSpaceAttri; SYN_ATTR_SYMBOL: Result := FSymbolAttri; else Result := nil; end; end; function TSynCacheSyn.GetEol: Boolean; begin Result := Run = FLineLen + 1; end; function TSynCacheSyn.GetRange: Pointer; begin Result := Pointer(FRange); end; function TSynCacheSyn.GetTokenID: TtkTokenKind; begin Result := FTokenID; end; function TSynCacheSyn.GetTokenAttribute: TSynHighlighterAttributes; begin case GetTokenID of tkClass: Result := FClassAttri; tkComment: Result := FCommentAttri; tkFunction: Result := FFunctionAttri; tkIdentifier: Result := FIdentifierAttri; tkKey: Result := FKeyAttri; tkNumber: Result := FNumberAttri; tkDirective: Result := FDirectiveAttri; tkSpace: Result := FSpaceAttri; tkString: Result := FStringAttri; tkSymbol: Result := FSymbolAttri; tkIndirect: Result := FIndirectAttri; tkUnknown: Result := FIdentifierAttri; tkLabel: Result := FLabelAttri; tkMacro: Result := FMacroAttri; tkUserFunction: Result := FUserFunctionAttri; tkEmbedSQL: Result := FEmbedSQLAttri; tkEmbedText: Result := FEmbedTextAttri; else Result := nil; end; end; function TSynCacheSyn.GetTokenKind: Integer; begin Result := Ord(FTokenID); end; procedure TSynCacheSyn.ResetRange; begin FRange := rsUnknown; end; procedure TSynCacheSyn.SetRange(Value: Pointer); begin FRange := TRangeState(Value); end; function TSynCacheSyn.IsFilterStored: Boolean; begin Result := FDefaultFilter <> SYNS_FilterCache; end; function TSynCacheSyn.IsIdentChar(AChar: WideChar): Boolean; begin case AChar of '0'..'9', 'a'..'z', 'A'..'Z', '%', '^', '$', '&': Result := True; else Result := False; end; end; class function TSynCacheSyn.GetLanguageName: string; begin Result := SYNS_LangCache; end; //------------------------------------------------------------------------------ // highlight indirection syntax: @ident //------------------------------------------------------------------------------ procedure TSynCacheSyn.IndirectProc; begin FTokenID := tkIndirect; Inc(Run); while IsIdentChar(FLine[Run]) do Inc(Run); FRange := rsUnknown; end; //------------------------------------------------------------------------------ // highlight symbols //------------------------------------------------------------------------------ procedure TSynCacheSyn.SymbolProc; begin FTokenID := tkSymbol; Inc(Run); FRange := rsUnknown; end; //------------------------------------------------------------------------------ // highlight user defined functions and macros // function: $$ident // macro : $$$ident //------------------------------------------------------------------------------ procedure TSynCacheSyn.FuncProc; begin case FLine[Run] of '$': case FLine[Run + 1] of '$': case FLine[Run + 2] of '$': FTokenID := tkMacro; else FTokenID := tkUserFunction; end; else begin FTokenID := IdentKind((FLine + Run)); Inc(Run, FStringLen); if FTokenID = tkKey then FTokenID := tkFunction; end; end; else FTokenID := tkIdentifier; end; while IsIdentChar(FLine[Run]) do Inc(Run); FRange := rsUnknown; end; //------------------------------------------------------------------------------ // highlight preprocesor directives and class syntax // preprocesor: #identifier // class : ##class //------------------------------------------------------------------------------ procedure TSynCacheSyn.DirectiveProc; var i: Integer; begin if FLine[Run + 1] = '#' then FTokenID := tkClass else begin for i := FTokenPos downto 0 do if not CharInSet(FLine[i], [#32, '#']) then begin FTokenID := tkSymbol; Inc(Run); Exit; end; FTokenID := tkDirective end; Inc(Run); while IsIdentChar(FLine[Run]) or (FLine[Run] = '#') do Inc(Run); FRange := rsUnknown; end; //------------------------------------------------------------------------------ // highlight embeded SQL and HTML // SQL : &sql( .... ) // HTML : &html< ..... > //------------------------------------------------------------------------------ procedure TSynCacheSyn.EmbeddedProc; begin case FRange of rsUnknown, rsCommand: begin FTokenID := IdentKind( (FLine + Run) ); if FTokenID <> tkEmbedSQL then begin FTokenID := tkSymbol; Inc( Run ); end else begin FBrace := 1; FFirstBrace := true; Inc( Run, FStringLen ); end; end; rsSQL: begin FTokenID := tkEmbedSQL; while (FLine[Run] <> #0) and (FBrace<>0) do begin case FLine[Run] of '(': if not FFirstBrace then Inc(FBrace) else FFirstBrace := False; ')': Dec(FBrace); end; Inc(Run); end; if FBrace = 0 then FRange := rsUnknown; end; rsHTML: begin FTokenID := tkEmbedSQL; while (FLine[Run] <> #0) and (FBrace<>0) do begin case FLine[Run] of '<': if not FFirstBrace then Inc(FBrace) else FFirstBrace := False; '>': Dec(FBrace); end; Inc(Run); end; if FBrace = 0 then FRange := rsUnknown; end; end; end; class function TSynCacheSyn.GetFriendlyLanguageName: UnicodeString; begin Result := SYNS_FriendlyLangCache; end; initialization {$IFNDEF SYN_CPPB_1} RegisterPlaceableHighlighter(TSynCacheSyn); {$ENDIF} end.