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Add a human-readable error message for invalid char in step

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Alexandre G.-Raymond 2023-10-21 23:20:04 +02:00
parent cb8edd9b8f
commit 87f37e3d87
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2 changed files with 95 additions and 87 deletions
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179
packages/mini/krill-parser.js
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packages/mini/krill.pegjs
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@ -103,7 +103,8 @@ quote = '"' / "'"
// ------------------ steps and cycles ---------------------------
// single step definition (e.g bd)
step_char = unicode_letter / [0-9~] / "-" / "#" / "." / "^" / "_"
step_char "a letter, a number, \"-\", \"#\", \".\", \"^\", \"_\"" =
unicode_letter / [0-9~] / "-" / "#" / "." / "^" / "_"
step = ws chars:step_char+ ws { return new AtomStub(chars.join("")) }
// define a sub cycle e.g. [1 2, 3 [4]]