- Timestamp:
- Nov 30, 2017, 5:19:57 PM (7 years ago)
- Location:
- branches/generator
- Files:
-
- 3 added
- 6 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/generator/Forms/UFormMain.lfm
r126 r127 5 5 Width = 1050 6 6 Caption = 'Language generator' 7 ClientHeight = 6 447 ClientHeight = 653 8 8 ClientWidth = 1050 9 9 Menu = MainMenu1 … … 11 11 OnCloseQuery = FormCloseQuery 12 12 OnShow = FormShow 13 LCLVersion = '1. 8.0.4'13 LCLVersion = '1.6.4.0' 14 14 object MemoBNF: TMemo 15 15 Left = 0 16 Height = 6 0916 Height = 618 17 17 Top = 35 18 18 Width = 1050 … … 39 39 Height = 22 40 40 Top = 5 41 Width = 4741 Width = 124 42 42 Align = alNone 43 43 AutoSize = True 44 44 BorderSpacing.Left = 22 45 45 BorderSpacing.Top = 3 46 Caption = 'ToolBar1'47 46 EdgeInner = esNone 48 47 EdgeOuter = esNone … … 53 52 Transparent = True 54 53 object ToolButton1: TToolButton 55 Left = 154 Left = 78 56 55 Top = 0 57 56 Action = ARules 58 57 end 59 58 object ToolButton2: TToolButton 59 Left = 101 60 Top = 0 61 Action = ABuildCompiler 62 end 63 object ToolButton3: TToolButton 64 Left = 1 65 Top = 0 66 Action = AProjectNew 67 end 68 object ToolButton4: TToolButton 60 69 Left = 24 61 70 Top = 0 62 Action = ABuildCompiler 71 Action = AProjectOpen 72 end 73 object ToolButton5: TToolButton 74 Left = 47 75 Top = 0 76 Action = AProjectSave 77 end 78 object ToolButton6: TToolButton 79 Left = 70 80 Height = 22 81 Top = 0 82 Width = 8 83 Caption = 'ToolButton6' 84 Style = tbsSeparator 63 85 end 64 86 end … … 66 88 object MainMenu1: TMainMenu 67 89 Images = Core.ImageList1 68 left = 3 1290 left = 304 69 91 top = 229 70 92 object MenuItem2: TMenuItem … … 161 183 end 162 184 object OpenDialog1: TOpenDialog 185 DefaultExt = '.grm' 186 Filter = 'Grammer (.grm)|*.grm|All files|*.*' 163 187 left = 748 164 188 top = 188 165 189 end 166 190 object SaveDialog1: TSaveDialog 191 DefaultExt = '.grm' 192 Filter = 'Grammer (.grm)|*.grm|All files|*.*' 167 193 left = 587 168 194 top = 414 -
branches/generator/Forms/UFormMain.pas
r126 r127 45 45 ToolButton1: TToolButton; 46 46 ToolButton2: TToolButton; 47 ToolButton3: TToolButton; 48 ToolButton4: TToolButton; 49 ToolButton5: TToolButton; 50 ToolButton6: TToolButton; 47 51 procedure ABuildCompilerExecute(Sender: TObject); 48 52 procedure AExitExecute(Sender: TObject); … … 78 82 SUnsavedChanges = 'Unsaved changes'; 79 83 SDoYouWantToSaveProject = 'There are unsaved changes in project. Do you want to save them?'; 80 SNewGrammer = 'New grammer. xtg';84 SNewGrammer = 'New grammer.grm'; 81 85 82 86 { TFormMain } … … 96 100 procedure TFormMain.AProjectSaveAsExecute(Sender: TObject); 97 101 begin 98 SaveDialog1.FileName := Core.Grammer.FileName; 102 SaveDialog1.InitialDir := ExtractFileDir(Core.Grammer.FileName); 103 SaveDialog1.FileName := ExtractFileName(Core.Grammer.FileName); 99 104 if SaveDialog1.Execute then begin 100 105 Core.LastOpenedFile := SaveDialog1.FileName; … … 192 197 AProjectClose.Execute; 193 198 if not Assigned(Core.Grammer) then begin 194 OpenDialog1.FileName := Core.LastOpenedFile; 199 OpenDialog1.InitialDir := ExtractFileDir(Core.LastOpenedFile); 200 OpenDialog1.FileName := ExtractFileName(Core.LastOpenedFile); 195 201 if OpenDialog1.Execute then begin 196 202 Core.LastOpenedFile := OpenDialog1.FileName; -
branches/generator/URules.pas
r126 r127 110 110 private 111 111 FModified: Boolean; 112 function GetItemString(Item: TRuleItem; Required: Boolean): string; 112 113 procedure SetModified(AValue: Boolean); 113 114 procedure BuildParser(FileName: string); … … 131 132 implementation 132 133 134 const 135 BooleanText: array[Boolean] of string = ('False', 'True'); 136 133 137 { TGrammer } 138 139 function TGrammer.GetItemString(Item: TRuleItem; Required: Boolean): string; 140 begin 141 Result := ''; 142 case Item.RuleItemType of 143 ritTerminal: Result := 'Expect(''' + 144 StringReplace(Item.Terminal, '''', '''''', [rfReplaceAll]) + ''', ' + BooleanText[Required] + ')'; 145 ritNonTerminal: Result := 'Parse' + Item.NonTerminal.Name + '(' + BooleanText[Required] + ')'; 146 ritTerminalRange: Result := 'ExpectRange(''' + 147 StringReplace(Item.TerminalFrom, '''', '''''', [rfReplaceAll]) + ''', ''' + 148 StringReplace(Item.TerminalTo, '''', '''''', [rfReplaceAll]) + ''', ' + BooleanText[Required] + ')'; 149 //ritSubItems: Line := 'Parse +'; 150 end; 151 end; 134 152 135 153 procedure TGrammer.SetModified(AValue: Boolean); … … 146 164 Line: string; 147 165 Item: TRuleItem; 166 Required: Boolean; 148 167 begin 149 168 ParserFile := TStringList.Create; … … 155 174 Add('interface'); 156 175 Add(''); 176 Add('uses'); 177 Add(' SysUtils;'); 178 Add(''); 157 179 Add('type'); 158 180 Add(' TParser = class'); 159 181 Add(' Content: string;'); 182 Add(' FileName: string;'); 160 183 Add(' Position: Integer;'); 161 184 Add(' procedure Error(Text: string);'); … … 163 186 Add(' function ExpectRange(CharFrom, CharTo: Char; Required: Boolean = False): Boolean;'); 164 187 for Rule in Rules do 165 Add(' function Parse' + Rule.Name + ' : Boolean;');188 Add(' function Parse' + Rule.Name + '(Required: Boolean = False): Boolean;'); 166 189 Add(' constructor Create;'); 167 190 Add(' end;'); … … 176 199 Add('procedure TParser.Error(Text: string);'); 177 200 Add('begin'); 178 Add(' WriteLn( ''Error: '' + Text);');201 Add(' WriteLn(FileName + ''('' + IntToStr(Position) + '') Error: '' + Text);'); 179 202 Add('end;'); 180 203 Add(''); … … 182 205 Add('var'); 183 206 Add(' ReadText: string;'); 207 Add(' StartPos: Integer;'); 184 208 Add('begin'); 209 Add(' StartPos := Position;'); 185 210 Add(' ReadText := Copy(Content, Position, Length(Text));'); 186 211 Add(' Inc(Position, Length(Text));'); 187 212 Add(' Result := Text = ReadText;'); 188 Add(' if not Result and Required then Error(''Expected '' + Text + '' but found '' + ReadText + ''.'');'); 213 Add(' if not Result then begin'); 214 Add(' Position := StartPos;'); 215 Add(' if Required then Error(''Expected "'' + Text + ''" but found "'' + ReadText + ''".'');'); 216 Add(' end;'); 189 217 Add('end;'); 190 218 Add(''); … … 192 220 Add('var'); 193 221 Add(' ReadChar: Char;'); 222 Add(' StartPos: Integer;'); 194 223 Add('begin'); 224 Add(' StartPos := Position;'); 195 225 Add(' ReadChar := Content[Position];'); 196 226 Add(' Inc(Position, 1);'); 197 227 Add(' Result := (ReadChar >= CharFrom) and (ReadChar <= CharTo);'); 198 Add(' if not Result and Required then Error(''Expected '' + CharFrom + '' to '' + CharTo + '' but found '' + ReadChar + ''.'');'); 228 Add(' if not Result then begin'); 229 Add(' Position := StartPos;'); 230 Add(' if Required then Error(''Expected "'' + CharFrom + ''" to "'' + CharTo + ''" but found "'' + ReadChar + ''".'');'); 231 Add(' end;'); 199 232 Add('end;'); 200 233 Add(''); 201 234 for Rule in Rules do begin 202 Add('function TParser.Parse' + Rule.Name + ' : Boolean;');235 Add('function TParser.Parse' + Rule.Name + '(Required: Boolean = False): Boolean;'); 203 236 Add('begin'); 237 Add(' Result := True;'); 204 238 I := 0; 205 239 for Item in Rule.Items do begin 240 Required := not Item.Optional; 206 241 Line := ' '; 207 if Rule.Items.RuleType = rtOr then begin 208 if I > 0 then Line := Line + 'else '; 209 Line := Line + 'if '; 210 end else 211 if Rule.Items.RuleType = rtAnd then begin 212 Line := Line + ''; 213 end; 214 case Item.RuleItemType of 215 ritTerminal: Line := Line + 'Expect(''' + StringReplace(Item.Terminal, '''', '''''', [rfReplaceAll]) + ''')'; 216 ritNonTerminal: Line := Line + 'Parse' + Item.NonTerminal.Name; 217 ritTerminalRange: Line := Line + 'ExpectRange(''' + Item.TerminalFrom + ''', ''' + Item.TerminalTo + ''')'; 218 //ritSubItems: Line := 'Parse +'; 219 end; 220 if Rule.Items.RuleType = rtOr then begin 221 Line := Line + ' then '; 222 end else 223 if Rule.Items.RuleType = rtAnd then begin 224 Line := Line + ';'; 242 case Rule.Items.RuleType of 243 rtOr: begin 244 if I > 0 then Line := Line + 'else '; 245 Line := Line + 'if ' + GetItemString(Item, False); 246 Line := Line + ' then Exit'; 247 end; 248 rtAnd: begin 249 Line := Line + 'Result := Result and '; 250 if Item.Optional then Line := Line + 'True;' + LineEnding; 251 if Item.Repetitive then begin 252 if not Item.Optional then 253 Line := Line + ' ' + GetItemString(Item, Required) + ';' + LineEnding; 254 Line := Line + ' repeat' + LineEnding + ' if not '; 255 Required := False; 256 end; 257 Line := Line + GetItemString(Item, Required); 258 if Item.Repetitive then Line := Line + ' then Break;' + LineEnding + ' until False'; 259 Line := Line + ';' + LineEnding + ' if not Result then Exit;'; 260 end; 225 261 end; 226 262 Add(Line); 227 263 Inc(I); 228 264 end; 229 if Rule.Items.RuleType = rtOr then begin 230 Add(' else ShowError(''Unexpected token'');'); 265 case Rule.Items.RuleType of 266 rtOr: begin 267 Add(' else begin'); 268 Add(' Error(''Unexpected token'');'); 269 Add(' Result := False;'); 270 Add(' end;'); 271 end; 272 //rtAnd: Add(' if not Result then ShowError('''')'); 231 273 end; 232 274 Add('end;'); … … 251 293 Add(''); 252 294 Add('uses'); 253 Add(' Source, Parser ;');295 Add(' Source, Parser, SysUtils;'); 254 296 Add(''); 255 297 Add('procedure Compile(FileName: string);'); … … 262 304 Add(' Reset(SourceFile);'); 263 305 Add(' Parser := TParser.Create;'); 306 Add(' Parser.FileName := ExtractFileName(FileName);'); 264 307 Add(' SetLength(Parser.Content, FileSize(SourceFile));'); 265 308 Add(' I := 1;'); -
branches/generator/generator.lpi
r126 r127 12 12 </General> 13 13 <i18n> 14 <EnableI18N LFM="False"/> 14 <EnableI18N Value="True"/> 15 <OutDir Value="Languages"/> 15 16 </i18n> 16 17 <BuildModes Count="2"> … … 139 140 <IsPartOfProject Value="True"/> 140 141 <ComponentName Value="FormGrammer"/> 142 <HasResources Value="True"/> 141 143 <ResourceBaseClass Value="Form"/> 142 144 </Unit8> -
branches/generator/pascal.grm
r125 r127 1953 1953 </RuleItems> 1954 1954 </Rule> 1955 <Rule> 1956 <Name>WhiteSpace</Name> 1957 <CreateSourceNode>0</CreateSourceNode> 1958 <RuleItems> 1959 <Type>1</Type> 1960 <RuleItem> 1961 <Type>0</Type> 1962 <Optional>0</Optional> 1963 <Repetitive>0</Repetitive> 1964 <AnyExcept>0</AnyExcept> 1965 <Terminal> </Terminal> 1966 </RuleItem> 1967 <RuleItem> 1968 <Type>0</Type> 1969 <Optional>0</Optional> 1970 <Repetitive>0</Repetitive> 1971 <AnyExcept>0</AnyExcept> 1972 <Terminal>#13</Terminal> 1973 </RuleItem> 1974 <RuleItem> 1975 <Type>0</Type> 1976 <Optional>0</Optional> 1977 <Repetitive>0</Repetitive> 1978 <AnyExcept>0</AnyExcept> 1979 <Terminal>#10</Terminal> 1980 </RuleItem> 1981 <RuleItem> 1982 <Type>0</Type> 1983 <Optional>0</Optional> 1984 <Repetitive>0</Repetitive> 1985 <AnyExcept>0</AnyExcept> 1986 <Terminal>#9</Terminal> 1987 </RuleItem> 1988 </RuleItems> 1989 </Rule> 1990 <Rule> 1991 <Name>WhiteSpaces</Name> 1992 <CreateSourceNode>0</CreateSourceNode> 1993 <RuleItems> 1994 <Type>0</Type> 1995 <RuleItem> 1996 <Type>1</Type> 1997 <Optional>-1</Optional> 1998 <Repetitive>-1</Repetitive> 1999 <AnyExcept>0</AnyExcept> 2000 <NonTerminal>WhiteSpace</NonTerminal> 2001 </RuleItem> 2002 </RuleItems> 2003 </Rule> 1955 2004 </Rules> 1956 2005 <TopRule>Program</TopRule>
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