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| 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 | 1x 1x 144796x 144796x 38657x 37652x 1005x 1005x 1005x 1005x 1005x 76445x 1x 37652x 37652x 1x | 'use strict';
const { ArgumentState } = require( './argumentState.js' );
const { error, normalError } = require( '../function-schemata/javascript/src/error.js' );
class BaseFrame {
constructor( lastFrame = null ) {
this.lastFrame_ = lastFrame;
this.names_ = new Map();
}
mergedCopy( otherFrame ) {
if ( this.isEmpty() ) {
return otherFrame.copy();
}
const lastFrame = this.lastFrame_.mergedCopy( otherFrame );
const myCopy = this.copy( lastFrame );
myCopy.lastFrame_ = lastFrame;
return myCopy;
}
isEmpty() {
return false;
}
}
class EmptyFrame extends BaseFrame {
constructor() {
super();
}
async retrieveArgument( argumentName ) {
return ArgumentState.ERROR(
normalError(
// TODO (T287919): Reconsider error type.
[ error.invalid_key ],
[ 'No argument called ' + argumentName + ' in scope.' ] ) );
}
copy() {
return new EmptyFrame();
}
isEmpty() {
return true;
}
}
module.exports = { BaseFrame, EmptyFrame };
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