Comments (2)
Thanks for the clarification. I think you can close this one then!
from jflex.
The behaviour is intentional. JFlex is not trying to be fully compatible with lex
and flex
, its heritage is more through JLex, which it does have a compatibility mode for.
It usually doesn't make sense in Java for a scanner to interact with System.out
without that being explicitly requested, but you can use %standalone
in the options part of the scanner spec for getting this particular lex
/flex
behaviour. This option also declares a main
method so that scanner can be run from the command line.
from jflex.
Related Issues (20)
- UnicodeCaseless.flex.vm uses incorrect unicode escapes HOT 1
- add test cases for warn/no-warn options
- optimisation: factor out common prefixes in large alternatives
- provide mechanism for annotations on lexer function
- investigate Windows test runners for CI
- matrix for bazel build
- Whitespaces negation in group not working as expected HOT 4
- jflex-maven-plugin 1.9.0/1 are missing from maven central HOT 1
- Generation aborted HOT 1
- Trailing-context is not working HOT 3
- improve error reporting for lookahead in macros HOT 2
- potential ArrayIndexOutOfBounds in zzRefill
- Inconsistent rules matching HOT 2
- Não consigo executar o meu ficheiro.flex no cmd HOT 1
- Performance degradation between 1.7 and 1.9
- Unexpected exception encountered. Regex is "\/\*[{white}|.]*\*\/" HOT 3
- NPE using --dot option
- properly implement clone interface on JFlexAntTask
- allow length-1 expressions in char classes HOT 2
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from jflex.