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Merge pull request #5829 from homanp/perf/reset-zdm

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refactor: add Params.resetZdm() to avoid double call on foreign object
This commit is contained in:
jerch
2026-04-23 17:05:15 +02:00
committed by GitHub
parent 32553b4135 eaebe2ab15
commit 7fe89a1c1a
3 changed files with 23 additions and 18 deletions
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src/common/parser/EscapeSequenceParser.ts
+9 -18
View File
@@ -462,8 +462,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
this._oscParser.reset();
this._dcsParser.reset();
this._apcParser.reset();
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
this.precedingJoinState = 0;
// abort pending continuation from async handler
@@ -612,8 +611,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
break;
case ParserStackType.OSC:
@@ -623,8 +621,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
break;
case ParserStackType.APC:
@@ -634,8 +631,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) this._parseStack.transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
break;
}
@@ -666,8 +662,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
&& this.currentState < ParserState.OSC_STRING
&& i + 2 < length && data[i + 1] === 0x5b
) {
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
let k = i + 2;
let ch = data[k];
@@ -817,8 +812,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
this.precedingJoinState = 0;
break;
case ParserAction.CLEAR:
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
break;
case ParserAction.DCS_HOOK:
@@ -842,8 +836,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
this.precedingJoinState = 0;
break;
@@ -867,8 +860,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
this.precedingJoinState = 0;
break;
@@ -892,8 +884,7 @@ export class EscapeSequenceParser extends Disposable implements IEscapeSequenceP
return handlerResult;
}
if (code === 0x1b) transition |= ParserState.ESCAPE;
this._params.reset();
this._params.addParam(0); // ZDM
this._params.resetZdm();
this._collect = 0;
this.precedingJoinState = 0;
break;
src/common/parser/Params.ts
+13
View File
@@ -129,6 +129,19 @@ export class Params implements IParams {
this._digitIsSub = false;
}
/**
* Reset and add 0 as first param (ZDM).
*/
public resetZdm(): void {
this.length = 1;
this._subParamsLength = 0;
this._rejectDigits = false;
this._rejectSubDigits = false;
this._digitIsSub = false;
this._subParamsIdx[0] = 0;
this.params[0] = 0;
}
/**
* Add a parameter value.
* `Params` only stores up to `maxLength` parameters, any later
src/common/parser/Types.ts
+1
View File
@@ -32,6 +32,7 @@ export interface IParams {
clone(): IParams;
toArray(): ParamsArray;
reset(): void;
resetZdm(): void;
addParam(value: number): void;
addSubParam(value: number): void;
hasSubParams(idx: number): boolean;