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77 lines
1.2 KiB
77 lines
1.2 KiB
/*
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* Parsing of identifier names (E5 Section 7.6).
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*/
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/*
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* Some specific identifier names
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*/
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/*===
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10
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20
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===*/
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try {
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eval('$=10; print($);');
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} catch (e) {
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print(e.name);
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}
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try {
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eval('_=20; print(_);');
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} catch (e) {
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print(e.name);
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}
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/*
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* Escapes in IdentifierStart and IdentifierPart
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*/
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/*===
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SyntaxError
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SyntaxError
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val
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3
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SyntaxError
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===*/
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/* These test were added because Rhino fails some, and some early code
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* failed here too. It's easy to forget a check if the char is escaped,
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* or to apply an IdentifierPart check for an escaped IdentifierStart
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* (IdentifierPart is wider).
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*/
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/* Rhino fails */
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try {
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eval('\\u0001x = "val";'); /* U+0001 not allowed in IdentifierStart or IdentifierPart */
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print('1');
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} catch (e) {
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print(e.name);
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}
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/* Rhino fails */
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try {
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eval('\\u0030x = "val";'); /* identifier '0x', not allowed */
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print('2');
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} catch (e) {
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print(e.name);
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}
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try {
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eval('x\\u0030 = "val";'); /* identifier 'x0', allowed */
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print(x0);
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print('3');
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} catch (e) {
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print(e.name);
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}
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/* There is no hex escape for identifier names. */
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try {
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eval('x\\x30 = "val";'); /* identifier 'x0' */
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print('4');
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} catch (e) {
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print(e.name);
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}
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/* XXX: add more cases */
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