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100 lines
1.5 KiB
100 lines
1.5 KiB
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/*===
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1
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2
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===*/
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try {
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eval("print(true ? 1 : 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("print(false ? 1 : 2);");
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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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SyntaxError
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1 3
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===*/
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/* In "A ? B : C" both B and C are AssignmentExpressions, and
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* do not allow the comma operator.
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*
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* In the case of "true ? 1,2 : 3" there is no way to match
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* "1,2" against an AssignmentExpression, so a SyntaxError.
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*
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* In the case of "true ? 1 : 2,3" the ConditionalExpression
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* will match "true ? 1 : 2" and there will be a surrounding
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* comma expression, i.e.: "(true ? 1 : 2), 3".
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*/
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try {
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eval("print(true ? 1,2 : 3);");
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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("print(true ? 1 : 2,3);");
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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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1 4
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===*/
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/* Here comma works as a normal argument separator. */
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try {
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eval("print(true ? 1 : 2, false ? 3 : 4);");
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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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C
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D
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F
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G
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===*/
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/*
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* The following:
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*
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* A ? B ? C : D : E ? F : G
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*
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* parses as:
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*
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* A ? (B ? C : D) : (E ? F : G)
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*/
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try {
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eval("print(true ? true ? 'C' : 'D' : true ? 'F' : 'G');");
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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("print(true ? false ? 'C' : 'D' : true ? 'F' : 'G');");
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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("print(false ? true ? 'C' : 'D' : true ? 'F' : 'G');");
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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("print(false ? true ? 'C' : 'D' : false ? 'F' : 'G');");
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} catch (e) {
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print(e.name);
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}
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