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Diffstat (limited to 'src/rebar_neotoma_compiler.erl')
| -rw-r--r-- | src/rebar_neotoma_compiler.erl | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/src/rebar_neotoma_compiler.erl b/src/rebar_neotoma_compiler.erl deleted file mode 100644 index 5549dc4..0000000 --- a/src/rebar_neotoma_compiler.erl +++ /dev/null @@ -1,163 +0,0 @@ -%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- -%% ex: ts=4 sw=4 et -%% ------------------------------------------------------------------- -%% -%% rebar: Erlang Build Tools -%% -%% Copyright (c) 2010 Cliff Moon (cliff@moonpolysoft.com) -%% -%% Permission is hereby granted, free of charge, to any person obtaining a copy -%% of this software and associated documentation files (the "Software"), to deal -%% in the Software without restriction, including without limitation the rights -%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -%% copies of the Software, and to permit persons to whom the Software is -%% furnished to do so, subject to the following conditions: -%% -%% The above copyright notice and this permission notice shall be included in -%% all copies or substantial portions of the Software. -%% -%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -%% THE SOFTWARE. -%% ------------------------------------------------------------------- - -%% The rebar_neotoma module is a plugin for rebar that compiles -%% neotoma peg files. By default, it compiles all src/*.peg to src/*.erl -%% -%% Configuration options should be placed in rebar.config under -%% neotoma_opts. Available options include: -%% -%% doc_root: where to find the peg files to compile. -%% "src" by default -%% out_dir: where to put the generated erl files. -%% "src" by defualt -%% module_ext: characters to append to the module's name. -%% "" by default -%% source_ext: extension of peg source files --module(rebar_neotoma_compiler). - --export([compile/2]). - -%% for internal use only --export([info/2]). - --include("rebar.hrl"). - -%% ============================================================================ -%% Public API -%% ============================================================================ - -compile(Config, _AppFile) -> - NeoOpts = neotoma_opts(Config), - rebar_base_compiler:run(Config, [], - option(doc_root, NeoOpts), ".peg", - option(out_dir, NeoOpts), - option(module_ext, NeoOpts) ++ ".erl", - fun compile_neo/3, [{check_last_mod, true}]). - -%% ============================================================================ -%% Internal functions -%% ============================================================================ - -info(help, compile) -> - ?CONSOLE( - "Build Neotoma (*.peg) sources.~n" - "~n" - "Valid rebar.config options:~n" - " ~p~n", - [ - {neotoma_opts, [{doc_root, "src"}, - {out_dir, "src"}, - {source_ext, ".peg"}, - {module_ext, ""}]} - ]). - -neotoma_opts(Config) -> - rebar_config:get(Config, neotoma_opts, []). - -option(Opt, Options) -> - proplists:get_value(Opt, Options, default(Opt)). - -default(doc_root) -> "src"; -default(out_dir) -> "src"; -default(module_ext) -> ""; -default(source_ext) -> ".peg". - -compile_neo(Source, Target, Config) -> - case code:which(neotoma) of - non_existing -> - ?ERROR("~n===============================================~n" - " You need to install neotoma to compile PEG grammars~n" - " Download the latest tarball release from github~n" - " https://github.com/seancribbs/neotoma~n" - " and install it into your erlang library dir~n" - "===============================================~n~n", []), - ?FAIL; - _ -> - case needs_compile(Source, Target, Config) of - true -> - do_compile(Source, Target, Config); - false -> - skipped - end - end. - -do_compile(Source, _Target, Config) -> - %% TODO: Check last mod on target and referenced DTLs here.. - NeoOpts = neotoma_opts(Config), - %% ensure that doc_root and out_dir are defined, - %% using defaults if necessary - Opts = [{output, option(out_dir, NeoOpts)}, - {module, list_to_atom(filename:basename(Source, ".peg") - ++ option(module_ext, NeoOpts))}], - case neotoma:file(Source, Opts ++ NeoOpts) of - ok -> - ok; - Reason -> - ?ERROR("Compiling peg ~s failed:~n ~p~n", - [Source, Reason]), - ?FAIL - end. - -needs_compile(Source, Target, Config) -> - LM = filelib:last_modified(Target), - LM < filelib:last_modified(Source) orelse - lists:any(fun(D) -> LM < filelib:last_modified(D) end, - referenced_pegs(Source, Config)). - -referenced_pegs(Source, Config) -> - Set = referenced_pegs1([Source], Config, - sets:add_element(Source, sets:new())), - sets:to_list(sets:del_element(Source, Set)). - -referenced_pegs1(Step, Config, Seen) -> - NeoOpts = neotoma_opts(Config), - ExtMatch = re:replace(option(source_ext, NeoOpts), "\.", "\\\\\\\\.", - [{return, list}]), - - ShOpts = [{use_stdout, false}, return_on_error], - AllRefs = - lists:append( - [begin - Cmd = lists:flatten(["grep -o [^\\\"]*", - ExtMatch, " ", F]), - case rebar_utils:sh(Cmd, ShOpts) of - {ok, Res} -> - string:tokens(Res, "\n"); - {error, _} -> - "" - end - end || F <- Step]), - DocRoot = option(doc_root, NeoOpts), - WithPaths = [ filename:join([DocRoot, F]) || F <- AllRefs ], - Existing = [F || F <- WithPaths, filelib:is_regular(F)], - New = sets:subtract(sets:from_list(Existing), Seen), - case sets:size(New) of - 0 -> Seen; - _ -> referenced_pegs1(sets:to_list(New), Config, - sets:union(New, Seen)) - end. |