NAME

freeing.pod - Saving and restoring the state of Parrot m4

Why?

Performance. Exchange with other m4 implementations.

How?

Command line args. --freeze-state=s --reload-state=s

Format of the freeze file

Each macro is desrcibed in two lines. The first line looks like 'F8,8'. The second looks like: 'translittranslit' The First letter is a flag:

C Change comment character
D A diversion, expects a negative number first
F a builtin macro
T a user defined macro 
Q Change quote character
V Validate version

Example

Explaination

Syntax

See languages/m4/tools/frozen2yaml.pl

frozen2yaml

Parses a frozen file and returns it's data as YAML. perl frozen2yaml.pl ../examples/only_builtin.frozen

Using Parrot m4 with Introspector

TODO: Install Introspector.

SEE ALSO

AUTHORS