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 8251x 8251x 8251x 8251x 1x 1x 865481x 33269x 33269x 33269x 865481x 865481x 8251x 8251x 8251x 857230x 857230x 857230x 857230x 857230x 857230x 1x 1x 162808x 162808x 1x 1x 162808x 162808x 1x 1x 1964x 1964x 1964x 1x 1x 12x 12x 12x 1x 1x 1730962x 16502x 1730962x 16502x 16502x 1697958x 1697958x 1x 1x 1053008x 40965x 40965x 1012043x 1012043x 1x 1x 865481x 24719x 24719x 840762x 840762x 1x 1x 157075x 157075x 1x 1x 319883x 319883x 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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