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authorAdrian Thurston <thurston@colm.net>2020-04-12 11:48:15 +0000
committerAdrian Thurston <thurston@colm.net>2020-04-12 11:48:15 +0000
commit8b1810c9fd897d8d2840a0713ced1dfcfb71d109 (patch)
tree1af9de3a0d05e2a6ea507401840e75e27bfc37f6 /src/resolve.cc
parent9760b2b3d8477ffb4228ac3db976e2ed3abb8905 (diff)
downloadcolm-8b1810c9fd897d8d2840a0713ced1dfcfb71d109.tar.gz
first cut of a redefine statement
Redefine happens during declaration. The existing langEl is removed from the map and a newly-declared lel replaces it. If the new list of productions references [...] the productions from the previous lel are moved into the new one, in its place. A copy would be preferrable, as move may require some fixup, but move gives an initial functional implementation. refs #112
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