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Fix bug causing comments after 'use strict' to be handled twice

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Closes #76
This commit is contained in:
Marijn Haverbeke 2013-11-11 11:25:59 +01:00
parent cb79f13d3d
commit dd456e3ad5
3 changed files with 9 additions and 2 deletions
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2
acorn.js
View File

@ -976,7 +976,7 @@
function setStrict(strct) {
strict = strct;
tokPos = lastEnd;
tokPos = tokStart;
if (options.locations) {
while (tokPos < tokLineStart) {
tokLineStart = input.lastIndexOf("\n", tokLineStart - 2) + 1;

2
index.html
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@ -697,7 +697,7 @@ precedence levels that JavaScript defines.</p> </td> <td
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-82"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-82">&#182;</a> </div> <p>Enter strict mode. Re-reads the next token to please pedantic
tests ("use strict"; 010; -- should fail).</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">function</span> <span class="nx">setStrict</span><span class="p">(</span><span class="nx">strct</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">strict</span> <span class="o">=</span> <span class="nx">strct</span><span class="p">;</span>
<span class="nx">tokPos</span> <span class="o">=</span> <span class="nx">lastEnd</span><span class="p">;</span>
<span class="nx">tokPos</span> <span class="o">=</span> <span class="nx">tokStart</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">locations</span><span class="p">)</span> <span class="p">{</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">tokPos</span> <span class="o">&lt;</span> <span class="nx">tokLineStart</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">tokLineStart</span> <span class="o">=</span> <span class="nx">input</span><span class="p">.</span><span class="nx">lastIndexOf</span><span class="p">(</span><span class="s2">&quot;\n&quot;</span><span class="p">,</span> <span class="nx">tokLineStart</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span>

7
test/tests.js
View File

@ -26956,3 +26956,10 @@ testFail("throw\n10;", "Illegal newline after throw (1:5)");
}
);
})();
(function() {
var comments = 0;
testAssert("\nfunction plop() {\n'use strict';\n/* Comment */\n}", function() {
if (comments != 1) return "Comment after strict counted twice.";
}, {onComment: function() {++comments;}});
})();