improved auto-previews - ranger - mirror of ranger - a simple, vim-like file manager

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author	hut <hut@lavabit.com>	2009-12-22 13:00:46 +0100
committer	hut <hut@lavabit.com>	2009-12-22 13:00:46 +0100
commit	2b82ef62212c9a8d8702523c2720eb10b6b2bb28 (patch)
tree	30af2022555898741fba36e090a4350bf4f26ab9 /uml/idl_includes
parent	f5b7240a28004cffcd5c14ab4ba3c022d0bd589a (diff)
download	ranger-2b82ef62212c9a8d8702523c2720eb10b6b2bb28.tar.gz

improved auto-previews

Diffstat (limited to 'uml/idl_includes')

0 files changed, 0 insertions, 0 deletions

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - 041jump_label.cc</title> <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v1"> <meta name="syntax" content="cpp"> <meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body> <pre id='vimCodeElement'> //: Support jumps to labels. //: We'll also treat 'break' and 'loop' as jumps. The choice of name is //: just documentation about intent; use 'break' to indicate you're exiting //: one or more loop nests, and 'loop' to indicate you're skipping to the next //: iteration of some containing loop nest. :(scenario jump_to_label) recipe main [ jump +target:label 1:number <- copy 0 +target ] -mem: storing 0 in location 1 :(before "End Mu Types Initialization") Type_ordinal["label"] = 0; :(after "int main") Transform.push_back(transform_labels); :(code) void transform_labels(const recipe_ordinal r) { map<string, long long int> offset; for (long long int i = 0; i < SIZE(Recipe[r].steps); ++i) { const instruction& inst = Recipe[r].steps.at(i); if (!inst.label.empty()) offset[inst.label] = i; } for (long long int i = 0; i < SIZE(Recipe[r].steps); ++i) { instruction& inst = Recipe[r].steps.at(i); if (inst.operation == Recipe_ordinal["jump"]) { replace_offset(inst.ingredients.at(0), offset, i, r); } if (inst.operation == Recipe_ordinal["jump-if"] || inst.operation == Recipe_ordinal["jump-unless"]) { replace_offset(inst.ingredients.at(1), offset, i, r); } if ((inst.operation == Recipe_ordinal["loop"] || inst.operation == Recipe_ordinal["break"]) && SIZE(inst.ingredients) == 1) { replace_offset(inst.ingredients.at(0), offset, i, r); } if ((inst.operation == Recipe_ordinal["loop-if"] || inst.operation == Recipe_ordinal["loop-unless"] || inst.operation == Recipe_ordinal["break-if"] || inst.operation == Recipe_ordinal["break-unless"]) && SIZE(inst.ingredients) == 2) { replace_offset(inst.ingredients.at(1), offset, i, r); } } } :(code) void replace_offset(reagent& x, /*const*/ map<string, long long int>& offset, const long long int current_offset, const recipe_ordinal r) { if (!is_literal(x)) { raise << Recipe[r].name << ": jump target must be offset or label but is " << x.original_string << '\n' << end(); return; } assert(!x.initialized); if (is_integer(x.name)) return; // non-labels will be handled like other number operands if (offset.find(x.name) == offset.end()) raise << Recipe[r].name << ": can't find label " << x.name << '\n' << end(); x.set_value(offset[x.name]-current_offset); } :(scenario break_to_label) recipe main [ #? $print [aaa] { { break +target:label 1:number <- copy 0 } } +target ] -mem: storing 0 in location 1 :(scenario jump_if_to_label) recipe main [ { { jump-if 1, +target:label 1:number <- copy 0 } } +target ] -mem: storing 0 in location 1 :(scenario loop_unless_to_label) recipe main [ { { loop-unless 0, +target:label # loop/break with a label don't care about braces 1:number <- copy 0 } } +target ] -mem: storing 0 in location 1 :(scenario jump_runs_code_after_label) recipe main [ # first a few lines of padding to exercise the offset computation 1:number <- copy 0 2:number <- copy 0 3:number <- copy 0 jump +target:label 4:number <- copy 0 +target 5:number <- copy 0 ] +mem: storing 0 in location 5 -mem: storing 0 in location 4 </pre> </body> </html>


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