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| 1 | namespace Syntax.Trees.Expressions is | |
| 2 | ||
| 3 | use Source; | |
| 4 | ||
| 5 | class INDEX(location: LOCATION, left: Expression, index: Expression): Expression is | |
| 6 | super(location); | |
| 7 | ||
| 8 | accept(visitor: Visitor) is | |
| 9 | visitor.visit(self); | |
| 10 | si | |
| 11 | ||
| 12 | walk(visitor: Visitor) is | |
| 13 | if !visitor.pre(self) then | |
| 14 | left.walk(visitor); | |
| 15 | index.walk(visitor); | |
| 16 | fi | |
| 17 | ||
| 18 | accept(visitor); | |
| 19 | si | |
| 20 | ||
| 21 | replace_child(old: Expression, replacement: Expression) is | |
| 22 | if left == old then | |
| 23 | left = replacement; | |
| 24 | elif index == old then | |
| 25 | index = replacement; | |
| 26 | fi | |
| 27 | si | |
| 28 | si | |
| 29 | si |