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 8694x 8694x 8694x 8694x 1x 1x 924108x 35569x 35569x 35569x 924108x 924108x 8694x 8694x 8694x 915414x 915414x 915414x 915414x 915414x 915414x 1x 1x 173229x 173229x 1x 1x 173229x 173229x 1x 1x 2062x 2062x 2062x 1x 1x 12x 12x 12x 1x 1x 1848216x 17388x 1848216x 17388x 17388x 1813440x 1813440x 1x 1x 1123385x 43198x 43198x 1080187x 1080187x 1x 1x 924108x 26048x 26048x 898060x 898060x 1x 1x 167276x 167276x 1x 1x 340505x 340505x 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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