A compromise between the speed of make and the ease of use of a build script
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moonbuild/util.moon

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2.2 KiB

import wildcard, exists, isdir, mtime from require 'fsutil'
import foreach, first, flatten, exclude, sortedpairs, min, max from require 'tableutil'
import patsubst, splitsp from require 'stringutil'
import insert, concat, sort, pairs from require 'tableutil'
import upper, lower from require 'stringutil'
GLOB_PATT='^([^%%]*)%%([^%%]*)$'
-- command functions
escapecmdpart= (p) ->
if (type p)=='table'
return p.raw if p.raw
return concat [escapecmdpart part for part in *p], ' '
return p if p\match '^[a-zA-Z0-9_./-]+$'
'"'..p\gsub('\\', '\\\\')\gsub('"', '\\"')..'"'
escapecmd= (c, args={}) ->
c=escapecmdpart c
for a in *flatten args
c..=' '..escapecmdpart a if a
c
run= (c, args, params={}) ->
escaped=escapecmd c, args
print escaped if params.print
ret, _, code=os.execute escaped
ret, code=ret==0, ret if (type ret)=='number'
error "#{c} failed with code #{code}" if params.error and not ret
ret, code
popen= (c, args, mode='r', params={}) ->
escaped=escapecmd c, args
print escaped if params.print
io.popen escaped, mode
calccdeps= (infile, includesys=false) ->
data=(popen 'cc', {includesys and '-M' or '-MM', infile})\read '*a'
rawdeps=data\gsub('\\\n', '')\match ':(.+)'
[dep for dep in rawdeps\gmatch '%S+' when dep!=infile]
findclib= (name, mode='all') ->
args={name}
insert args, '--cflags' if mode=='all' or mode=='cc'
insert args, '--libs' if mode=='all' or mode=='ld'
[arg for arg in (popen 'pkg-config', args)\read('*a')\gmatch '%S+']
-- glob match
match= (str, glob) ->
prefix, suffix=glob\match GLOB_PATT
return str==glob unless prefix
return str\sub #prefix+1, -#suffix-1 if (str\sub 1, #prefix)==prefix and (str\sub -#suffix)==suffix
false
-- is a valid glob
isglob= (glob) ->
return if glob\match GLOB_PATT
true
else
false
-- getenv
env= (key, def) ->
(os.getenv key) or def
{
-- table function
:min, :max
:foreach
:first
:exclude
:flatten
:sortedpairs
:insert, :remove, :concat, :sort
:unpack
-- file functions
:wildcard
:mtime
:exists, :isdir
-- command functions
:run, :popen
:calccdeps, :findclib
-- string functions
:patsubst
:splitsp
:upper, :lower
-- glob functions
:match, :isglob
-- env functions
:env
}