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parser fix for chain indexing into nested arrays

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`[ [‘a1’, ‘a2’ ], [‘b1’, ‘b2’] ][2][1]` => `'b1'`
This commit is contained in:
Stefan Zermatten
2023-08-24 12:29:44 +02:00
parent 0ee77d705a
commit d578a87632
2 changed files with 3 additions and 3 deletions
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4
app/imports/parser/grammar.js
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@@ -1,4 +1,4 @@
// Generated automatically by nearley, version 2.20.1
// Generated automatically by nearley, version 2.16.0
// http://github.com/Hardmath123/nearley
function id(x) { return x[0]; }
@@ -93,7 +93,7 @@ let ParserRules = [
d => [d[2], ...d[3]]
},
{"name": "arguments", "symbols": [{"literal":"("}, "_", {"literal":")"}], "postprocess": d => []},
{"name": "indexExpression", "symbols": ["arrayExpression", {"literal":"["}, "_", "expression", "_", {"literal":"]"}], "postprocess": d => node.index.create({array: d[0], index: d[3]})},
{"name": "indexExpression", "symbols": ["indexExpression", {"literal":"["}, "_", "expression", "_", {"literal":"]"}], "postprocess": d => node.index.create({array: d[0], index: d[3]})},
{"name": "indexExpression", "symbols": ["arrayExpression"], "postprocess": id},
{"name": "arrayExpression$subexpression$1", "symbols": ["expression"], "postprocess": d => d[0]},
{"name": "arrayExpression$ebnf$1", "symbols": []},

2
app/imports/parser/grammar.ne
View File

@@ -125,7 +125,7 @@ arguments ->
| "(" _ ")" {% d => [] %}
indexExpression ->
arrayExpression "[" _ expression _ "]" {% d => node.index.create({array: d[0], index: d[3]}) %}
indexExpression "[" _ expression _ "]" {% d => node.index.create({array: d[0], index: d[3]}) %}
| arrayExpression {% id %}
arrayExpression ->