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Add operator precedence table to documentation

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hachibu
2015-03-06 10:07:48 -05:00
parent 72baefe497
commit 337ef467ed
2 changed files with 201 additions and 12 deletions
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196
doc/site/expressions.markdown
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@ -264,15 +264,187 @@ When you mix these all together, you need to worry about
follows C, except that it fixes the bitwise operator mistake. The full
precedence table, from lowest to highest, is:
:::dart
= // Assignment.
&& || ?: // Logic.
is // Type test.
== != // Equality.
< > <= >= // Comparison.
.. ... // Range.
| & // Bitwise.
+ - // Terms.
* / % // Factors.
- ~ ! // Unary.
. [] // Call.
<table class="precedence">
<tbody>
<tr>
<th>Precedence</th>
<th>Operator</th>
<th>Description</th>
<th>Associativity</th>
</tr>
<tr>
<td>1</td>
<td>()</td>
<td>Call</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>1</td>
<td>[]</td>
<td>Subscript</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>1</td>
<td>.</td>
<td>Selection</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>2</td>
<td>-</td>
<td>Unary minus</td>
<td>Right-to-left</td>
</tr>
<tr>
<td>2</td>
<td>!</td>
<td>Logical not</td>
<td>Right-to-left</td>
</tr>
<tr>
<td>2</td>
<td>~</td>
<td>Bitwise not</td>
<td>Right-to-left</td>
</tr>
<tr>
<td>3</td>
<td>*</td>
<td>Multiplication</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>3</td>
<td>/</td>
<td>Division</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>3</td>
<td>%</td>
<td>Modulo</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>4</td>
<td>+</td>
<td>Addition</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>4</td>
<td>-</td>
<td>Subtraction</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>5</td>
<td>..</td>
<td>Range (inclusive)</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>5</td>
<td>...</td>
<td>Range (half-inclusive)</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>6</td>
<td>&lt;&lt;</td>
<td>Bitwise left shift</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>6</td>
<td>&gt;&gt;</td>
<td>Bitwise right shift</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>7</td>
<td>&lt;</td>
<td>Less than</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>7</td>
<td>&lt;=</td>
<td>Less than or equal to</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>7</td>
<td>&gt;</td>
<td>Greater than</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>7</td>
<td>&gt;=</td>
<td>Greater than or equal to</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>8</td>
<td>==</td>
<td>Equal to</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>8</td>
<td>!=</td>
<td>Not equal to</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>9</td>
<td>&amp;</td>
<td>Bitwise AND</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>10</td>
<td>^</td>
<td>Bitwise XOR</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>11</td>
<td>|</td>
<td>Bitwise OR</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>12</td>
<td>is</td>
<td>Type test</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>13</td>
<td>&amp;&amp;</td>
<td>Logical AND</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>14</td>
<td>||</td>
<td>Logical OR</td>
<td>Left-to-right</td>
</tr>
<tr>
<td>15</td>
<td>?:</td>
<td>Ternary Conditional</td>
<td>Right-to-left</td>
</tr>
<tr>
<td>16</td>
<td>=</td>
<td>Assignment</td>
<td>Right-to-left</td>
</tr>
</tbody>
</table>

17
doc/site/style.scss
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@ -323,6 +323,23 @@ table.chart {
}
}
// Precedence table on expressions page.
table.precedence {
width: 100%;
padding-left: 25px;
tr {
margin: 0;
padding: 0;
}
th, td {
font-size: 14px;
line-height: 20px;
text-align: left;
}
}
@media only screen and (max-width: 839px) {
// 36 pixel columns.
.page { width: 720px; }