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Diffstat (limited to 'vim/bundle/vim-addon-mw-utils/autoload/funcref.vim')
-rw-r--r-- | vim/bundle/vim-addon-mw-utils/autoload/funcref.vim | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/vim/bundle/vim-addon-mw-utils/autoload/funcref.vim b/vim/bundle/vim-addon-mw-utils/autoload/funcref.vim new file mode 100644 index 0000000..20eec54 --- /dev/null +++ b/vim/bundle/vim-addon-mw-utils/autoload/funcref.vim @@ -0,0 +1,95 @@ +" funcref.vim +" @License: GPL (see http://www.gnu.org/licenses/gpl.txt) +" @Last Change: 2010-01-03. +" @Revision: 0.1.0 + +" documentation see doc/funcref.txt + +" usage: +" funcref#Function("filename#Function") +" optionally pass arguments: +" funcref#Function("filename#Function",{'args': [2]}) +" optionally define self: +" funcref#Function("filename#Function",{'self': object}) +function! funcref#Function(name,...) + let d = a:0 > 0 ? a:1 : {} + let d['faked_function_reference'] = a:name + return d +endfunction + +" args : same as used for call(f,[args], self) +" f must be either +" - a string which can be evaled (use "return 'value'" to return a value) +" - a Vim function reference created by function('..') +" - a faked function reference created by funcref#Function(..) +" +" the last "self" argument can be overriden by the function reference +" You can pass arguments in a closure like style +function! funcref#Call(...) + let args = copy(a:000) + + " add parameters: + if (len(args) < 2) + call add(args, []) + endif + + + let isDict = type(args[0]) == type({}) + + " prepend parameters which were passed by faked function reference: + if isDict && has_key(args[0], 'args') + let args[1] = args[0]['args']+args[1] + endif + + " always pass self. this way you can call functions from dictionaries not + " refering to self + if (len(args) < 3) + call add(args, {}) + endif + + " the funcref overrides self: + if isDict && has_key(args[0], 'self') + let args[2] = args[0]['self'] + endif + + if type(a:1) == 2 + " funcref: function must have been laoded + return call(function('call'), args) + elseif isDict && has_key(args[0], 'faked_function_reference') + let Fun = args[0]['faked_function_reference'] + if type(Fun) == type('') + \ && (Fun[:len('return ')-1] == 'return ' + \ || Fun[:len('call ')-1] == 'call ' + \ || Fun[:len('if ')-1] == 'if ' + \ || Fun[:len('let ')-1] == 'let ' + \ || Fun[:len('echo ')-1] == 'echo ' + \ || Fun[:len('exec ')-1] == 'exec ' + \ || Fun[:len('debug ')-1] == 'debug ') + " it doesn't make sense to list all vim commands here + " So if you want to execute another action consider using + " funcref#Function('exec '.string('aw')) or such + + " function is a String, call exec + let ARGS = args[1] + let SELF = args[2] + exec Fun + else + " pseudo function, let's load it.. + if type(Fun) == 1 + if !exists('*'.Fun) + " lazily load function + let file = substitute(substitute(Fun,'#[^#]*$','',''),'#','/','g') + exec 'runtime /autoload/'.file.'.vim' + endif + let Fun2 = function(Fun) + else + let Fun2 = Fun + endif + let args[0] = Fun + return call(function('call'), args) + endif + else + " no function, return the value + return args[0] + endif +endfunction |