Mercurial > repos > tabletprog
view modules/list.tp @ 251:2557ce4e671f
Fix a couple of compiler bugs. topenv was getting initialized in multiple places. This resulted in multiple copies of modules getting created which caused problems for macro expansion. Additionally, arguments were not being marked as declared during code generation so assigning to an argument that was not closed over generated invalid C code.
author | Michael Pavone <pavone@retrodev.com> |
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date | Fri, 11 Apr 2014 22:29:32 -0700 |
parents | f3d5068cbd43 |
children | bb4723fec05e |
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{ _empty <- #{ length <- { 0 } empty? <- { true } fold:with <- :acc :fun { acc } foldr:with <- :acc :fun { acc } map <- :fun { self } | <- :val { list node: val withTail: self } . <- :right { right } reverse <- { self } join <- { "" } contains? <- :val { false } string <- { "[]" } print <- { print: string } } #{ empty <- { _empty } node:withTail <- :_val :_tail { #{ value <- { _val } tail <- { _tail } empty? <- { false } length <- { fold: 0 with: :acc val { acc + 1 } } fold:with <- :acc :fun { cur <- self while: { not: (cur empty?)} do: { acc <- fun: acc (cur value) cur <- cur tail } acc } foldr:with <- :acc fun { fun: (_tail foldr: acc with: fun) _val } map <- :fun { node: (fun: _val) withTail: (_tail map: fun) } foreach <- :self fun { fold: 0 with: :idx el{ fun: idx el idx + 1 } self } | <- :val { node: val withTail: self } . <- :right { foldr: right with: :tail val { node: val withTail: tail } } reverse <- { fold: [] with: :tail val { node: val withTail: tail } } join <- :sep { _tail fold: (string: _val) with: :acc el { acc . sep . el } } contains? <- :val { if: _val = val { true } else: { _tail contains?: val } } string <- { (fold: "[\n" with: :acc el { acc . " " . (string: el) . "\n" }) . "]" } print <- { print: "[\n" foreach: :_ el { print: " " . (string: el) . "\n" } print: "]" } } } } }