Make bison use reentrant#21
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hashtab.cpp: do not use yaep_free() on memory obtained with operator new().
Required for vnmakarov#12.
Hack for vnmakarov#12 while using the current API.
As a test, eliminate the static global variable anode_cost. Required for vnmakarov#12.
Eliminate all global variables not needed in sread_terminal() or sread_rule(). Required for vnmakarov#12.
Eliminate remaining global variables used by sread_terminal() and sread_rule() by passing parser data via reentrancy hack. Required for vnmakarov#12.
Make sgramm.y compatible with older bison versions.
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This PR depends on #20.
It makes the use of bison (
sgramm.y) reentrant. To this end, it also introduces a method of slipping a pointer to the grammar into the user-providedread_terminal()andread_rule()functions.It brings the tests somewhat closer to reentrancy (
ansic.landansic.y), even though it doesn't affect the library itself.With that, all external dependencies to yaep have been made reentrant. The next steps towards resolving #12 can now concentrate on the core of the library itself.