diff options
Diffstat (limited to 'tcllib/modules/pt/include/format/whatis_param.inc')
| -rw-r--r-- | tcllib/modules/pt/include/format/whatis_param.inc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tcllib/modules/pt/include/format/whatis_param.inc b/tcllib/modules/pt/include/format/whatis_param.inc new file mode 100644 index 0000000..46e75da --- /dev/null +++ b/tcllib/modules/pt/include/format/whatis_param.inc @@ -0,0 +1,12 @@ + +The PARAM code representation of parsing expression grammars is +assembler-like text using the instructions of the virtual machine +documented in the [manpage {PackRat Machine Specification}], plus a +few more for control flow (jump ok, jump fail, call symbol, return). + +[para] + +It is not really useful, except possibly as a tool demonstrating how a +grammar is compiled in general, without getting distracted by the +incidentials of a framework, i.e. like the supporting C and Tcl code +generated by the other PARAM-derived formats. |