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doc: add a note describing lexer state transitions

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max 🍓
2024-11-16 21:30:45 +00:00
parent 102769735e
commit e01798db2f
1 changed files with 14 additions and 0 deletions
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doc/lex/lexer-states.txt Normal file
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possible lexer states:
STATE_NORMAL
STATE_STRING
STATE_FSTRING
STATE_INTERPOLATION
state transitions:
STATE_NORMAL + " -> push STATE_STRING
STATE_NORMAL + ' -> push STATE_FSTRING
STATE_STRING + " -> pop
STATE_FSTRING + { -> push STATE_INTERPOLATION, record brace depth
STATE_FSTRING + ' -> pop
STATE_INTERPOLATION + } (at recorded brace depth) -> pop