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forked from aniani/vim
vim/runtime/autoload/rubycomplete.vim
2006-04-20 22:17:20 +00:00

469 lines
12 KiB
VimL

" Vim completion script
" Language: Ruby
" Maintainer: Mark Guzman <segfault@hasno.info>
" Info: $Id$
" URL: http://vim-ruby.rubyforge.org
" Anon CVS: See above site
" Release Coordinator: Doug Kearns <dougkearns@gmail.com>
" ----------------------------------------------------------------------------
"
" Ruby IRB/Complete author: Keiju ISHITSUKA(keiju@ishitsuka.com)
" ----------------------------------------------------------------------------
if !has('ruby')
echohl ErrorMsg
echo "Error: Required vim compiled with +ruby"
echohl None
finish
endif
if version < 700
echohl ErrorMsg
echo "Error: Required vim >= 7.0"
echohl None
finish
endif
function! GetBufferRubyModule(name)
let [snum,enum] = GetBufferRubyEntity(a:name, "module")
return snum . '..' . enum
endfunction
function! GetBufferRubyClass(name)
let [snum,enum] = GetBufferRubyEntity(a:name, "class")
return snum . '..' . enum
endfunction
function! GetBufferRubySingletonMethods(name)
endfunction
function! GetBufferRubyEntity( name, type )
let stopline = 1
let crex = '^\s*' . a:type . '\s*' . a:name . '\s*\(<\s*.*\s*\)\?\n*\(\(\s\|#\).*\n*\)*\n*\s*end$'
let [lnum,lcol] = searchpos( crex, 'nbw')
if lnum == 0 && lcol == 0
return [0,0]
endif
let [enum,ecol] = searchpos( crex, 'nebw')
if lnum > enum
let realdef = getline( lnum )
let crexb = '^' . realdef . '\n*\(\(\s\|#\).*\n*\)*\n*\s*end$'
let [enum,ecol] = searchpos( crexb, 'necw' )
endif
" we found a the class def
return [lnum,enum]
endfunction
function! IsInClassDef()
let [snum,enum] = GetBufferRubyEntity( '.*', "class" )
let ret = 'nil'
let pos = line('.')
if snum < pos && pos < enum
let ret = snum . '..' . enum
endif
return ret
endfunction
function! GetRubyVarType(v)
let stopline = 1
let vtp = ''
let pos = getpos('.')
let [lnum,lcol] = searchpos('^\s*#\s*@var\s*'.a:v.'\>\s\+[^ \t]\+\s*$','nb',stopline)
if lnum != 0 && lcol != 0
call setpos('.',pos)
let str = getline(lnum)
let vtp = substitute(str,'^\s*#\s*@var\s*'.a:v.'\>\s\+\([^ \t]\+\)\s*$','\1','')
return vtp
endif
call setpos('.',pos)
let [lnum,lcol] = searchpos(''.a:v.'\>\s*[+\-*/]*=\s*\([^ \t]\+.\(now\|new\|open\|get_instance\)\>\|[\[{"''/]\|%r{\)','nb',stopline)
if lnum != 0 && lcol != 0
let str = matchstr(getline(lnum),'=\s*\([^ \t]\+.\(now\|new\|open\|get_instance\)\>\|[\[{"''/]\|%r{\)',lcol)
let str = substitute(str,'^=\s*','','')
call setpos('.',pos)
if str == '"' || str == ''''
return 'String'
elseif str == '['
return 'Array'
elseif str == '{'
return 'Hash'
elseif str == '/' || str == '%r{'
return 'Regexp'
elseif strlen(str) > 4
let l = stridx(str,'.')
return str[0:l-1]
end
return ''
endif
call setpos('.',pos)
return ''
endfunction
function! rubycomplete#Complete(findstart, base)
"findstart = 1 when we need to get the text length
if a:findstart
let line = getline('.')
let idx = col('.')
while idx > 0
let idx -= 1
let c = line[idx-1]
if c =~ '\w'
continue
elseif ! c =~ '\.'
idx = -1
break
else
break
endif
endwhile
return idx
"findstart = 0 when we need to return the list of completions
else
let g:rubycomplete_completions = []
execute "ruby get_completions('" . a:base . "')"
return g:rubycomplete_completions
endif
endfunction
function! s:DefRuby()
ruby << RUBYEOF
RailsWords = [
"has_many", "has_one",
"belongs_to",
]
ReservedWords = [
"BEGIN", "END",
"alias", "and",
"begin", "break",
"case", "class",
"def", "defined", "do",
"else", "elsif", "end", "ensure",
"false", "for",
"if", "in",
"module",
"next", "nil", "not",
"or",
"redo", "rescue", "retry", "return",
"self", "super",
"then", "true",
"undef", "unless", "until",
"when", "while",
"yield",
]
Operators = [ "%", "&", "*", "**", "+", "-", "/",
"<", "<<", "<=", "<=>", "==", "===", "=~", ">", ">=", ">>",
"[]", "[]=", "^", ]
def load_requires
@buf = VIM::Buffer.current
enum = @buf.line_number
nums = Range.new( 1, enum )
nums.each do |x|
ln = @buf[x]
begin
eval( "require %s" % $1 ) if /.*require\s*(.*)$/.match( ln )
rescue Exception
#ignore?
end
end
end
def load_buffer_class(name)
classdef = get_buffer_entity(name, 'GetBufferRubyClass("%s")')
return if classdef == nil
pare = /^\s*class\s*(.*)\s*<\s*(.*)\s*\n/.match( classdef )
load_buffer_class( $2 ) if pare != nil
mixre = /.*\n\s*include\s*(.*)\s*\n/.match( classdef )
load_buffer_module( $2 ) if mixre != nil
eval classdef
end
def load_buffer_module(name)
classdef = get_buffer_entity(name, 'GetBufferRubyModule("%s")')
return if classdef == nil
eval classdef
end
def get_buffer_entity(name, vimfun)
@buf = VIM::Buffer.current
nums = eval( VIM::evaluate( vimfun % name ) )
return nil if nums == nil
return nil if nums.min == nums.max && nums.min == 0
cur_line = VIM::Buffer.current.line_number
classdef = ""
nums.each do |x|
if x != cur_line
ln = @buf[x]
classdef += "%s\n" % ln
end
end
return classdef
end
def load_rails()
allow_rails = VIM::evaluate('g:rubycomplete_rails')
return if allow_rails != '1'
buf_path = VIM::evaluate('expand("%:p")')
file_name = VIM::evaluate('expand("%:t")')
path = buf_path.gsub( file_name, '' )
path.gsub!( /\\/, "/" )
pup = [ "../", "../../", "../../../", "../../../../" ]
pok = nil
pup.each do |sup|
tpok = "%s%sconfig" % [ path, sup ]
if File.exists?( tpok )
pok = tpok
break
end
end
bootfile = pok + "/boot.rb"
require bootfile if pok != nil && File.exists?( bootfile )
end
def get_rails_helpers
allow_rails = VIM::evaluate('g:rubycomplete_rails')
return [] if allow_rails != '1'
return RailsWords
end
def get_completions(base)
load_requires
load_rails
input = VIM::evaluate('expand("<cWORD>")')
input += base
input.lstrip!
if input.length == 0
input = VIM::Buffer.current.line
input.strip!
end
message = nil
case input
when /^(\/[^\/]*\/)\.([^.]*)$/
# Regexp
receiver = $1
message = Regexp.quote($2)
candidates = Regexp.instance_methods(true)
select_message(receiver, message, candidates)
when /^([^\]]*\])\.([^.]*)$/
# Array
receiver = $1
message = Regexp.quote($2)
candidates = Array.instance_methods(true)
select_message(receiver, message, candidates)
when /^([^\}]*\})\.([^.]*)$/
# Proc or Hash
receiver = $1
message = Regexp.quote($2)
candidates = Proc.instance_methods(true) | Hash.instance_methods(true)
select_message(receiver, message, candidates)
when /^(:[^:.]*)$/
# Symbol
if Symbol.respond_to?(:all_symbols)
sym = $1
candidates = Symbol.all_symbols.collect{|s| ":" + s.id2name}
candidates.grep(/^#{sym}/)
candidates.delete_if do |c|
c.match( /'/ )
end
candidates.uniq!
candidates.sort!
else
[]
end
when /^::([A-Z][^:\.\(]*)$/
# Absolute Constant or class methods
receiver = $1
candidates = Object.constants
candidates.grep(/^#{receiver}/).collect{|e| "::" + e}
when /^(((::)?[A-Z][^:.\(]*)+)::?([^:.]*)$/
# Constant or class methods
receiver = $1
message = Regexp.quote($4)
begin
candidates = eval("#{receiver}.constants | #{receiver}.methods")
rescue Exception
candidates = []
end
candidates.grep(/^#{message}/).collect{|e| receiver + "::" + e}
when /^(:[^:.]+)\.([^.]*)$/
# Symbol
receiver = $1
message = Regexp.quote($2)
candidates = Symbol.instance_methods(true)
select_message(receiver, message, candidates)
when /^([0-9_]+(\.[0-9_]+)?(e[0-9]+)?)\.([^.]*)$/
# Numeric
receiver = $1
message = Regexp.quote($4)
begin
candidates = eval(receiver).methods
rescue Exception
candidates
end
select_message(receiver, message, candidates)
when /^(\$[^.]*)$/
candidates = global_variables.grep(Regexp.new(Regexp.quote($1)))
# when /^(\$?(\.?[^.]+)+)\.([^.]*)$/
when /^((\.?[^.]+)+)\.([^.]*)$/
# variable
receiver = $1
message = Regexp.quote($3)
load_buffer_class( receiver )
cv = eval("self.class.constants")
vartype = VIM::evaluate("GetRubyVarType('%s')" % receiver)
if vartype != ''
load_buffer_class( vartype )
begin
candidates = eval("#{vartype}.instance_methods")
rescue Exception
candidates = []
end
elsif (cv).include?(receiver)
# foo.func and foo is local var.
candidates = eval("#{receiver}.methods")
elsif /^[A-Z]/ =~ receiver and /\./ !~ receiver
# Foo::Bar.func
begin
candidates = eval("#{receiver}.methods")
rescue Exception
candidates = []
end
else
# func1.func2
candidates = []
ObjectSpace.each_object(Module){|m|
next if m.name != "IRB::Context" and
/^(IRB|SLex|RubyLex|RubyToken)/ =~ m.name
candidates.concat m.instance_methods(false)
}
candidates.sort!
candidates.uniq!
end
#identify_type( receiver )
select_message(receiver, message, candidates)
#when /^((\.?[^.]+)+)\.([^.]*)\(\s*\)*$/
#function call
#obj = $1
#func = $3
when /^\.([^.]*)$/
# unknown(maybe String)
receiver = ""
message = Regexp.quote($1)
candidates = String.instance_methods(true)
select_message(receiver, message, candidates)
else
inclass = eval( VIM::evaluate("IsInClassDef()") )
if inclass != nil
classdef = "%s\n" % VIM::Buffer.current[ inclass.min ]
found = /^\s*class\s*([A-Za-z0-9_-]*)(\s*<\s*([A-Za-z0-9_:-]*))?\s*\n$/.match( classdef )
if found != nil
receiver = $1
message = input
load_buffer_class( receiver )
candidates = eval( "#{receiver}.instance_methods" )
candidates += get_rails_helpers
select_message(receiver, message, candidates)
end
end
if inclass == nil || found == nil
candidates = eval("self.class.constants")
(candidates|ReservedWords).grep(/^#{Regexp.quote(input)}/)
end
end
#print candidates
if message != nil && message.length > 0
rexp = '^%s' % message.downcase
candidates.delete_if do |c|
c.downcase.match( rexp )
$~ == nil
end
end
outp = ""
# tags = VIM::evaluate("taglist('^%s$')" %
valid = (candidates-Object.instance_methods)
rg = 0..valid.length
rg.step(150) do |x|
stpos = 0+x
enpos = 150+x
valid[stpos..enpos].each { |c| outp += "{'word':'%s','item':'%s'}," % [ c, c ] }
outp.sub!(/,$/, '')
VIM::command("call extend(g:rubycomplete_completions, [%s])" % outp)
outp = ""
end
end
def select_message(receiver, message, candidates)
#tags = VIM::evaluate("taglist('%s')" % receiver)
#print tags
candidates.grep(/^#{message}/).collect do |e|
case e
when /^[a-zA-Z_]/
receiver + "." + e
when /^[0-9]/
when *Operators
#receiver + " " + e
end
end
candidates.delete_if { |x| x == nil }
candidates.uniq!
candidates.sort!
end
RUBYEOF
endfunction
let g:rubycomplete_rails = 0
call s:DefRuby()
" vim: set et ts=4: