2017-12-11 13:57:43 +00:00
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# lex
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2022-06-27 11:23:12 +01:00
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> Lexical analyzer generator.
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> Given the specification for a lexical analyzer, generates C code implementing it.
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2024-01-07 09:14:19 +00:00
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> NOTE: on most major OSes, this command is an alias for `flex`.
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2021-09-23 19:34:23 +01:00
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> More information: <https://manned.org/lex.1>.
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2017-12-11 13:57:43 +00:00
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2024-01-07 09:14:19 +00:00
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- Generate an analyzer from a Lex file, storing it to the file `lex.yy.c`:
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2017-12-11 13:57:43 +00:00
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2022-06-27 11:23:12 +01:00
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`lex {{analyzer.l}}`
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2017-12-11 13:57:43 +00:00
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2017-12-11 21:30:23 +00:00
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- Specify the output file:
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2023-04-01 05:50:08 +01:00
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`lex -t {{analyzer.l}} > {{analyzer.c}}`
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2017-12-11 21:30:23 +00:00
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2017-12-28 02:16:22 +00:00
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- Compile a C file generated by Lex:
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2017-12-11 13:57:43 +00:00
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2023-04-01 05:50:08 +01:00
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`c99 {{path/to/lex.yy.c}} -o {{executable}}`
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