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140 lines
2.8 KiB
140 lines
2.8 KiB
/*
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* Function compilation and execution (E5 Sections 13, 10.4.3).
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*
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* There is a separate test for tail recursion, arguments object.
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*/
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/*---
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{
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"skip": true
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}
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---*/
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/* FIXME:
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* - shadowing
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*/
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/*** DUPLICATE ARGUMENT NAMES ***/
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/*===
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3 2
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SyntaxError
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===*/
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/* Non-strict mode: last value to match a certain name remains bound,
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* see E5 Section 10.5.
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*/
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function nonstrict_dup(a,b,a) { print(a,b); }
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nonstrict_dup(1,2,3);
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/* Strict mode: compile-time error to declare a function with duplicate
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* argument names, see E5 Section 13.1.
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*/
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try {
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eval("'use strict';\n" +
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"function strict_dup(a,b,a) { print(a,b); }\n" +
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"strict_dup(1,2,3);");
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} catch(e) {
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print(e.name);
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}
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/*** INVALID ARGUMENT NAMES (NON-STRICT MODE) ***/
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/*===
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1 2
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SyntaxError
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SyntaxError
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1
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===*/
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/* Non-strict mode: 'eval' and 'arguments' are valid argument names,
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* because they are not reserved words. All non-strict mode reserved
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* words are forbidden, because they do not match the 'Identifier'
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* production.
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*
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* XXX: test else (a Keyword), class (a FutureReservedWord), and an
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* additional keyword only illegal in strict mode. Should really
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* test all reserved words here.
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*/
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function nonstrict_evalargs(eval, arguments) { print(eval, arguments); }
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nonstrict_evalargs(1,2);
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try {
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/* NB: do not 'print(else)' because that would be a separate,
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* different error.
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*/
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eval("function nonstrict_else(else) { print('else'); }\n" +
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"nonstrict_else(1);");
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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("function nonstrict_class(class) { print('class'); }\n" +
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"nonstrict_class(1);");
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} catch (e) {
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print(e.name);
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}
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function nonstrict_package(package) { print(package); }
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nonstrict_package(1);
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/*** INVALID ARGUMENT NAMES (STRICT MODE) ***/
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/*===
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SyntaxError
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SyntaxError
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SyntaxError
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SyntaxError
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SyntaxError
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===*/
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/* Strict mode: 'eval' and 'arguments' must cause a compile-time error.
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* See E5 Section 13.1.
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*/
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try {
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eval("'use strict'\n" +
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"function strict_eval(eval) { print(eval); }\n" +
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"strict_eval(1);");
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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("'use strict'\n" +
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"function strict_args(arguments) { print(arguments); }\n" +
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"strict_args(1);");
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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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/* NB: do not 'print(else)' because that would be a separate,
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* different error.
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*/
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eval("'use strict'\n" +
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"function strict_else(else) { print('else'); }\n" +
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"strict_else(1);");
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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("'use strict'\n" +
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"function strict_class(class) { print('class'); }\n" +
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"strict_class(1);");
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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("'use strict'\n" +
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"function strict_package(package) { print('package'); }\n" +
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"strict_package(1);");
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} catch (e) {
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print(e.name);
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}
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