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 8367x 8367x 8367x 8367x 1x 1x 879452x 33831x 33831x 33831x 879452x 879452x 8367x 8367x 8367x 871085x 871085x 871085x 871085x 871085x 871085x 1x 1x 165318x 165318x 1x 1x 165318x 165318x 1x 1x 1995x 1995x 1995x 1x 1x 12x 12x 12x 1x 1x 1758904x 16734x 1758904x 16734x 16734x 1725436x 1725436x 1x 1x 1069837x 41535x 41535x 1028302x 1028302x 1x 1x 879452x 25067x 25067x 854385x 854385x 1x 1x 159516x 159516x 1x 1x 324834x 324834x 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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