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			57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Initialization from a RegExp-like object
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es6id: 21.2.3.1
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info: |
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    1. Let patternIsRegExp be IsRegExp(pattern).
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    [...]
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    6. Else if patternIsRegExp is true, then
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       a. Let P be Get(pattern, "source").
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       b. ReturnIfAbrupt(P).
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       c. If flags is undefined, then
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          i. Let F be Get(pattern, "flags").
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          ii. ReturnIfAbrupt(F).
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       d. Else, let F be flags.
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    [...]
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    10. Return RegExpInitialize(O, P, F).
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features: [Symbol, Symbol.match]
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---*/
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var obj = {
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  source: 'source text',
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  flags: 'i'
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};
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var result;
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obj[Symbol.match] = true;
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = 'string';
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = [];
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = Symbol();
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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obj[Symbol.match] = 86;
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result = new RegExp(obj);
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assert.sameValue(Object.getPrototypeOf(result), RegExp.prototype);
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assert.sameValue(result.source, 'source text');
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assert.sameValue(result.flags, 'i');
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