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authorKaz Kylheku <kaz@kylheku.com>2012-01-25 09:59:40 -0800
committerKaz Kylheku <kaz@kylheku.com>2012-01-25 09:59:40 -0800
commit11173ced6d65339869fe74fbc9c4452a75e3fe26 (patch)
tree6c7e21fa0f7ebab6d5b4af9dc960fd96660682be /match.c
parent8b4578f295cc022e8bf0bb62d1a8cf8673636f27 (diff)
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* eval.c (dwim_s): New symbol variable.
(dwim_loc, op_dwim): New static functions. (op_modplace): Support assignment to dwim forms with the help of dwim_loc. (expand_place): Handle dwim places. (eval_init): Initialize dwim_s. Register dwim operator in op_table. * eval.h (dwim_s): Declared. * lib.c (chr_str, chr_str_set): Allow negative indices to index backwards from end of string. (vecref, vecref_l): Allow negative indices to index from rear of array. (obj_print, obj_pprint): Render (dwim ...) forms as [...]. * parser.l: Peoduce new METABKT token type for @[, and '[', ']' tokens. * parser.y (METABKT): New token. %type declaration for '['. (list): Support square-bracket style of list, translated into dwim form. (meta_expr): Support @[...] variant. (yybadtoken): Handle METABKT in switch. * txr.1: Documented [...] syntax and dwim operator. * txr.vim: Updated.
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