Implement FontStyle.Strikethrough

src/main.ts

@@ -214,24 +214,24 @@ export interface ITokenizeLineResult {
  *     1098 7654 3210 9876 5432 1098 7654 3210
  * - -------------------------------------------
  *     xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
- *     bbbb bbbb bfff ffff ffFF FTTT LLLL LLLL
+ *     bbbb bbbb bfff ffff ffFF FFTT LLLL LLLL
  * - -------------------------------------------
  *  - L = LanguageId (8 bits)
- *  - T = StandardTokenType (3 bits)
- *  - F = FontStyle (3 bits)
+ *  - T = StandardTokenType (2 bits)
+ *  - F = FontStyle (4 bits)
  *  - f = foreground color (9 bits)
  *  - b = background color (9 bits)
  */
 export const enum MetadataConsts {
 	LANGUAGEID_MASK = 0b00000000000000000000000011111111,
-	TOKEN_TYPE_MASK = 0b00000000000000000000011100000000,
-	FONT_STYLE_MASK = 0b00000000000000000011100000000000,
+	TOKEN_TYPE_MASK = 0b00000000000000000000001100000000,
+	FONT_STYLE_MASK = 0b00000000000000000011110000000000,
 	FOREGROUND_MASK = 0b00000000011111111100000000000000,
 	BACKGROUND_MASK = 0b11111111100000000000000000000000,
 
 	LANGUAGEID_OFFSET = 0,
 	TOKEN_TYPE_OFFSET = 8,
-	FONT_STYLE_OFFSET = 11,
+	FONT_STYLE_OFFSET = 10,
 	FOREGROUND_OFFSET = 14,
 	BACKGROUND_OFFSET = 23
 }

src/theme.ts

@@ -9,7 +9,8 @@ export const enum FontStyle {
 	None = 0,
 	Italic = 1,
 	Bold = 2,
-	Underline = 4
+	Underline = 4,
+	Strikethrough = 8
 }
 
 export class ParsedThemeRule {
@@ -119,6 +120,9 @@ export function parseTheme(source: IRawTheme | undefined): ParsedThemeRule[] {
 					case 'underline':
 						fontStyle = fontStyle | FontStyle.Underline;
 						break;
+					case 'strikethrough':
+						fontStyle = fontStyle | FontStyle.Strikethrough;
+						break;
 				}
 			}
 		}