| @echo off | |
| rem doflex.cmd prefix mode target source | |
| rem mode - either debug or release | |
| rem target - generated parser file name without extension | |
| rem source - input to bison | |
| if "%1"=="debug" (set flags=-t) else (set flags=-t) | |
| rem Test for presence of flex. | |
| flex --help >NUL | |
| if errorlevel 1 goto noflex | |
| rem Run flex. | |
| flex %flags% >%2.cpp %3 | |
| exit | |
| :noflex | |
| echo Flex not found. Using pre-generated files. | |
| copy %~pn3.cpp %2.cpp | |
| exit |