Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | 1x 1x 1x 1x 1x 1x 1x 11102x 11102x 11102x 11102x 1x 1x 1156274x 40226x 40226x 40226x 1156274x 1156274x 11102x 11102x 11102x 1145172x 1145172x 1145172x 1145172x 1145172x 1145172x 1x 1x 217064x 217064x 1x 1x 217064x 217064x 1x 1x 2119x 2119x 2119x 1x 1x 12x 12x 12x 1x 1x 2312548x 22204x 2312548x 22204x 22204x 2268140x 2268140x 1x 1x 1406952x 55233x 55233x 1351719x 1351719x 1x 1x 1156274x 33271x 33271x 1123003x 1123003x 1x 1x 209133x 209133x 1x 1x 426197x 426197x 1x | export class LexerStream {
private readonly raw: string;
private offset = -1;
private row: number;
private col: number;
public constructor(raw: string) {
this.raw = raw;
this.row = 0;
this.col = 0;
}
public advance(): boolean {
if (this.currentChar() === "\n") {
this.col = 1;
this.row = this.row + 1;
}
if (this.offset === this.raw.length) {
this.col = this.col - 1;
return false;
}
this.col = this.col + 1;
this.offset = this.offset + 1;
return true;
}
public getCol(): number {
return this.col;
}
public getRow(): number {
return this.row;
}
public prevChar(): string {
if (this.offset - 1 < 0) {
return "";
}
return this.raw.substr(this.offset - 1, 1);
}
public prevPrevChar(): string {
if (this.offset - 2 < 0) {
return "";
}
return this.raw.substr(this.offset - 2, 2);
}
public currentChar(): string {
if (this.offset < 0) {
return "\n"; // simulate newline at start of file to handle star(*) comments
} else if (this.offset >= this.raw.length) {
return "";
}
return this.raw.substr(this.offset, 1);
}
public nextChar(): string {
if (this.offset + 2 > this.raw.length) {
return "";
}
return this.raw.substr(this.offset + 1, 1);
}
public nextNextChar(): string {
if (this.offset + 3 > this.raw.length) {
return this.nextChar();
}
return this.raw.substr(this.offset + 1, 2);
}
public getRaw(): string {
return this.raw;
}
public getOffset() {
return this.offset;
}
}
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