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" Vim completion script
" Language: Ruby
" Maintainer: Mark Guzman <segfault@hasno.info>
" URL: https://github.com/vim-ruby/vim-ruby
" Anon CVS: See above site
" Release Coordinator: Doug Kearns <dougkearns@gmail.com>
" Maintainer Version: 0.8.1
" ----------------------------------------------------------------------------
"
" Ruby IRB/Complete author: Keiju ISHITSUKA(keiju@ishitsuka.com)
" ----------------------------------------------------------------------------
" {{{ requirement checks
if !has('ruby')
s:ErrMsg( "Error: Rubycomplete requires vim compiled with +ruby" )
s:ErrMsg( "Error: falling back to syntax completion" )
" lets fall back to syntax completion
setlocal omnifunc=syntaxcomplete#Complete
finish
endif
if version < 700
s:ErrMsg( "Error: Required vim >= 7.0" )
finish
endif
" }}} requirement checks
" {{{ configuration failsafe initialization
if !exists("g:rubycomplete_rails")
let g:rubycomplete_rails = 0
endif
if !exists("g:rubycomplete_classes_in_global")
let g:rubycomplete_classes_in_global = 0
endif
if !exists("g:rubycomplete_buffer_loading")
let g:rubycomplete_buffer_loading = 0
endif
if !exists("g:rubycomplete_include_object")
let g:rubycomplete_include_object = 0
endif
if !exists("g:rubycomplete_include_objectspace")
let g:rubycomplete_include_objectspace = 0
endif
" }}} configuration failsafe initialization
" {{{ vim-side support functions
let s:rubycomplete_debug = 0
function! s:ErrMsg(msg)
echohl ErrorMsg
echo a:msg
echohl None
endfunction
function! s:dprint(msg)
if s:rubycomplete_debug == 1
echom a:msg
endif
endfunction
function! s:GetBufferRubyModule(name, ...)
if a:0 == 1
let [snum,enum] = s:GetBufferRubyEntity(a:name, "module", a:1)
else
let [snum,enum] = s:GetBufferRubyEntity(a:name, "module")
endif
return snum . '..' . enum
endfunction
function! s:GetBufferRubyClass(name, ...)
if a:0 >= 1
let [snum,enum] = s:GetBufferRubyEntity(a:name, "class", a:1)
else
let [snum,enum] = s:GetBufferRubyEntity(a:name, "class")
endif
return snum . '..' . enum
endfunction
function! s:GetBufferRubySingletonMethods(name)
endfunction
function! s:GetBufferRubyEntity( name, type, ... )
let lastpos = getpos(".")
let lastline = lastpos
if (a:0 >= 1)
let lastline = [ 0, a:1, 0, 0 ]
call cursor( a:1, 0 )
endif
let stopline = 1
let crex = '^\s*\<' . a:type . '\>\s*\<' . a:name . '\>\s*\(<\s*.*\s*\)\?'
let [lnum,lcol] = searchpos( crex, 'w' )
"let [lnum,lcol] = searchpairpos( crex . '\zs', '', '\(end\|}\)', 'w' )
if lnum == 0 && lcol == 0
call cursor(lastpos[1], lastpos[2])
return [0,0]
endif
let curpos = getpos(".")
let [enum,ecol] = searchpairpos( crex, '', '\(end\|}\)', 'wr' )
call cursor(lastpos[1], lastpos[2])
if lnum > enum
return [0,0]
endif
" we found a the class def
return [lnum,enum]
endfunction
function! s:IsInClassDef()
return s:IsPosInClassDef( line('.') )
endfunction
function! s:IsPosInClassDef(pos)
let [snum,enum] = s:GetBufferRubyEntity( '.*', "class" )
let ret = 'nil'
if snum < a:pos && a:pos < enum
let ret = snum . '..' . enum
endif
return ret
endfunction
function! s:GetRubyVarType(v)
let stopline = 1
let vtp = ''
let pos = getpos('.')
let sstr = '^\s*#\s*@var\s*'.a:v.'\>\s\+[^ \t]\+\s*$'
let [lnum,lcol] = searchpos(sstr,'nb',stopline)
if lnum != 0 && lcol != 0
call setpos('.',pos)
let str = getline(lnum)
let vtp = substitute(str,sstr,'\1','')
return vtp
endif
call setpos('.',pos)
let ctors = '\(now\|new\|open\|get_instance'
if exists('g:rubycomplete_rails') && g:rubycomplete_rails == 1 && s:rubycomplete_rails_loaded == 1
let ctors = ctors.'\|find\|create'
else
endif
let ctors = ctors.'\)'
let fstr = '=\s*\([^ \t]\+.' . ctors .'\>\|[\[{"''/]\|%[xwQqr][(\[{@]\|[A-Za-z0-9@:\-()\.]\+...\?\|lambda\|&\)'
let sstr = ''.a:v.'\>\s*[+\-*/]*'.fstr
let [lnum,lcol] = searchpos(sstr,'nb',stopline)
if lnum != 0 && lcol != 0
let str = matchstr(getline(lnum),fstr,lcol)
let str = substitute(str,'^=\s*','','')
call setpos('.',pos)
if str == '"' || str == '''' || stridx(tolower(str), '%q[') != -1
return 'String'
elseif str == '[' || stridx(str, '%w[') != -1
return 'Array'
elseif str == '{'
return 'Hash'
elseif str == '/' || str == '%r{'
return 'Regexp'
elseif strlen(str) >= 4 && stridx(str,'..') != -1
return 'Range'
elseif stridx(str, 'lambda') != -1 || str == '&'
return 'Proc'
elseif strlen(str) > 4
let l = stridx(str,'.')
return str[0:l-1]
end
return ''
endif
call setpos('.',pos)
return ''
endfunction
"}}} vim-side support functions
"{{{ vim-side completion function
function! rubycomplete#Init()
execute "ruby VimRubyCompletion.preload_rails"
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 VimRubyCompletion.get_completions('" . a:base . "')"
return g:rubycomplete_completions
endif
endfunction
"}}} vim-side completion function
"{{{ ruby-side code
function! s:DefRuby()
ruby << RUBYEOF
# {{{ ruby completion
begin
require 'rubygems' # let's assume this is safe...?
rescue Exception
#ignore?
end
class VimRubyCompletion
# {{{ constants
@@debug = false
@@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 = [ "%", "&", "*", "**", "+", "-", "/",
"<", "<<", "<=", "<=>", "==", "===", "=~", ">", ">=", ">>",
"[]", "[]=", "^", ]
# }}} constants
# {{{ buffer analysis magic
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)
dprint "load_buffer_class(%s) START" % name
classdef = get_buffer_entity(name, 's:GetBufferRubyClass("%s")')
return if classdef == nil
pare = /^\s*class\s*(.*)\s*<\s*(.*)\s*\n/.match( classdef )
load_buffer_class( $2 ) if pare != nil && $2 != name # load parent class if needed
mixre = /.*\n\s*include\s*(.*)\s*\n/.match( classdef )
load_buffer_module( $2 ) if mixre != nil && $2 != name # load mixins if needed
begin
eval classdef
rescue Exception
VIM::evaluate( "s:ErrMsg( 'Problem loading class \"%s\", was it already completed?' )" % name )
end
dprint "load_buffer_class(%s) END" % name
end
def load_buffer_module(name)
dprint "load_buffer_module(%s) START" % name
classdef = get_buffer_entity(name, 's:GetBufferRubyModule("%s")')
return if classdef == nil
begin
eval classdef
rescue Exception
VIM::evaluate( "s:ErrMsg( 'Problem loading module \"%s\", was it already completed?' )" % name )
end
dprint "load_buffer_module(%s) END" % name
end
def get_buffer_entity(name, vimfun)
loading_allowed = VIM::evaluate("exists('g:rubycomplete_buffer_loading') && g:rubycomplete_buffer_loading")
return nil if loading_allowed.to_i.zero?
return nil if /(\"|\')+/.match( name )
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
dprint "get_buffer_entity START"
visited = []
clscnt = 0
bufname = VIM::Buffer.current.name
classdef = ""
cur_line = VIM::Buffer.current.line_number
while (nums != nil && !(nums.min == 0 && nums.max == 0) )
dprint "visited: %s" % visited.to_s
break if visited.index( nums )
visited << nums
nums.each do |x|
if x != cur_line
next if x == 0
ln = buf[x]
if /^\s*(module|class|def|include)\s+/.match(ln)
clscnt += 1 if $1 == "class"
#dprint "\$1$1
classdef += "%s\n" % ln
classdef += "end\n" if /def\s+/.match(ln)
dprint ln
end
end
end
nm = "%s(::.*)*\", %s, \"" % [ name, nums.last ]
nums = eval( VIM::evaluate( vimfun % nm ) )
dprint "nm: \"%s\"" % nm
dprint "vimfun: %s" % (vimfun % nm)
dprint "got nums: %s" % nums.to_s
end
if classdef.length > 1
classdef += "end\n"*clscnt
# classdef = "class %s\n%s\nend\n" % [ bufname.gsub( /\/|\\/, "_" ), classdef ]
end
dprint "get_buffer_entity END"
dprint "classdef====start"
lns = classdef.split( "\n" )
lns.each { |x| dprint x }
dprint "classdef====end"
return classdef
end
def get_var_type( receiver )
if /(\"|\')+/.match( receiver )
"String"
else
VIM::evaluate("s:GetRubyVarType('%s')" % receiver)
end
end
def dprint( txt )
print txt if @@debug
end
def get_buffer_entity_list( type )
# this will be a little expensive.
loading_allowed = VIM::evaluate("exists('g:rubycomplete_buffer_loading') && g:rubycomplete_buffer_loading")
allow_aggressive_load = VIM::evaluate("exists('g:rubycomplete_classes_in_global') && g:rubycomplete_classes_in_global")
return [] if allow_aggressive_load.to_i.zero? || loading_allowed.to_i.zero?
buf = VIM::Buffer.current
eob = buf.length
ret = []
rg = 1..eob
re = eval( "/^\s*%s\s*([A-Za-z0-9_:-]*)(\s*<\s*([A-Za-z0-9_:-]*))?\s*/" % type )
rg.each do |x|
if re.match( buf[x] )
next if type == "def" && eval( VIM::evaluate("s:IsPosInClassDef(%s)" % x) ) != nil
ret.push $1
end
end
return ret
end
def get_buffer_modules
return get_buffer_entity_list( "modules" )
end
def get_buffer_methods
return get_buffer_entity_list( "def" )
end
def get_buffer_classes
return get_buffer_entity_list( "class" )
end
def load_rails
allow_rails = VIM::evaluate("exists('g:rubycomplete_rails') && g:rubycomplete_rails")
return if allow_rails.to_i.zero?
buf_path = VIM::evaluate('expand("%:p")')
file_name = VIM::evaluate('expand("%:t")')
vim_dir = VIM::evaluate('getcwd()')
file_dir = buf_path.gsub( file_name, '' )
file_dir.gsub!( /\\/, "/" )
vim_dir.gsub!( /\\/, "/" )
vim_dir << "/"
dirs = [ vim_dir, file_dir ]
sdirs = [ "", "./", "../", "../../", "../../../", "../../../../" ]
rails_base = nil
dirs.each do |dir|
sdirs.each do |sub|
trail = "%s%s" % [ dir, sub ]
tcfg = "%sconfig" % trail
if File.exists?( tcfg )
rails_base = trail
break
end
end
break if rails_base
end
return if rails_base == nil
$:.push rails_base unless $:.index( rails_base )
rails_config = rails_base + "config/"
rails_lib = rails_base + "lib/"
$:.push rails_config unless $:.index( rails_config )
$:.push rails_lib unless $:.index( rails_lib )
bootfile = rails_config + "boot.rb"
envfile = rails_config + "environment.rb"
if File.exists?( bootfile ) && File.exists?( envfile )
begin
require bootfile
require envfile
begin
require 'console_app'
require 'console_with_helpers'
rescue Exception
dprint "Rails 1.1+ Error %s" % $!
# assume 1.0
end
#eval( "Rails::Initializer.run" ) #not necessary?
VIM::command('let s:rubycomplete_rails_loaded = 1')
dprint "rails loaded"
rescue Exception
dprint "Rails Error %s" % $!
VIM::evaluate( "s:ErrMsg('Error loading rails environment')" )
end
end
end
def get_rails_helpers
allow_rails = VIM::evaluate("exists('g:rubycomplete_rails') && g:rubycomplete_rails")
rails_loaded = VIM::evaluate('s:rubycomplete_rails_loaded')
return [] if allow_rails.to_i.zero? || rails_loaded.to_i.zero?
buf_path = VIM::evaluate('expand("%:p")')
buf_path.gsub!( /\\/, "/" )
path_elm = buf_path.split( "/" )
dprint "buf_path: %s" % buf_path
types = [ "app", "db", "lib", "test", "components", "script" ]
i = nil
ret = []
type = nil
types.each do |t|
i = path_elm.index( t )
break if i
end
type = path_elm[i]
type.downcase!
dprint "type: %s" % type
case type
when "app"
i += 1
subtype = path_elm[i]
subtype.downcase!
dprint "subtype: %s" % subtype
case subtype
when "views"
ret += ActionView::Base.instance_methods
ret += ActionView::Base.methods
when "controllers"
ret += ActionController::Base.instance_methods
ret += ActionController::Base.methods
when "models"
ret += ActiveRecord::Base.instance_methods
ret += ActiveRecord::Base.methods
end
when "db"
ret += ActiveRecord::ConnectionAdapters::SchemaStatements.instance_methods
ret += ActiveRecord::ConnectionAdapters::SchemaStatements.methods
end
return ret
end
def add_rails_columns( cls )
allow_rails = VIM::evaluate("exists('g:rubycomplete_rails') && g:rubycomplete_rails")
rails_loaded = VIM::evaluate('s:rubycomplete_rails_loaded')
return [] if allow_rails.to_i.zero? || rails_loaded.to_i.zero?
begin
eval( "#{cls}.establish_connection" )
return [] unless eval( "#{cls}.ancestors.include?(ActiveRecord::Base).to_s" )
col = eval( "#{cls}.column_names" )
return col if col
rescue
dprint "add_rails_columns err: (cls: %s) %s" % [ cls, $! ]
return []
end
return []
end
def clean_sel(sel, msg)
sel.delete_if { |x| x == nil }
sel.uniq!
sel.grep(/^#{Regexp.quote(msg)}/) if msg != nil
end
def get_rails_view_methods
allow_rails = VIM::evaluate("exists('g:rubycomplete_rails') && g:rubycomplete_rails")
rails_loaded = VIM::evaluate('s:rubycomplete_rails_loaded')
return [] if allow_rails.to_i.zero? || rails_loaded.to_i.zero?
buf_path = VIM::evaluate('expand("%:p")')
buf_path.gsub!( /\\/, "/" )
pelm = buf_path.split( "/" )
idx = pelm.index( "views" )
return [] unless idx
idx += 1
clspl = pelm[idx].camelize.pluralize
cls = clspl.singularize
ret = []
begin
ret += eval( "#{cls}.instance_methods" )
ret += eval( "#{clspl}Helper.instance_methods" )
rescue Exception
dprint "Error: Unable to load rails view helpers for %s: %s" % [ cls, $! ]
end
return ret
end
# }}} buffer analysis magic
# {{{ main completion code
def self.preload_rails
a = VimRubyCompletion.new
require 'Thread'
Thread.new(a) do |b|
begin
b.load_rails
rescue
end
end
a.load_rails
rescue
end
def self.get_completions(base)
b = VimRubyCompletion.new
b.get_completions base
end
def get_completions(base)
loading_allowed = VIM::evaluate("exists('g:rubycomplete_buffer_loading') && g:rubycomplete_buffer_loading")
if loading_allowed.to_i == 1
load_requires
load_rails
end
input = VIM::Buffer.current.line
cpos = VIM::Window.current.cursor[1] - 1
input = input[0..cpos]
input += base
input.sub!(/.*[ \t\n\"\\'`><=;|&{(]/, '') # Readline.basic_word_break_characters
input.sub!(/self\./, '')
input.sub!(/.*((\.\.[\[(]?)|([\[(]))/, '')
dprint 'input %s' % input
message = nil
receiver = nil
methods = []
variables = []
classes = []
constants = []
case input
when /^(\/[^\/]*\/)\.([^.]*)$/ # Regexp
receiver = $1
message = Regexp.quote($2)
methods = Regexp.instance_methods(true)
when /^([^\]]*\])\.([^.]*)$/ # Array
receiver = $1
message = Regexp.quote($2)
methods = Array.instance_methods(true)
when /^([^\}]*\})\.([^.]*)$/ # Proc or Hash
receiver = $1
message = Regexp.quote($2)
methods = Proc.instance_methods(true) | Hash.instance_methods(true)
when /^(:[^:.]*)$/ # Symbol
dprint "symbol"
if Symbol.respond_to?(:all_symbols)
receiver = $1
message = $1.sub( /:/, '' )
methods = Symbol.all_symbols.collect{|s| s.id2name}
methods.delete_if { |c| c.match( /'/ ) }
end
when /^::([A-Z][^:\.\(]*)$/ # Absolute Constant or class methods
dprint "const or cls"
receiver = $1
methods = Object.constants
methods.grep(/^#{receiver}/).collect{|e| "::" + e}
when /^(((::)?[A-Z][^:.\(]*)+?)::?([^:.]*)$/ # Constant or class methods
receiver = $1
message = Regexp.quote($4)
dprint "const or cls 2 [recv: \'%s\', msg: \'%s\']" % [ receiver, message ]
load_buffer_class( receiver )
begin
classes = eval("#{receiver}.constants")
#methods = eval("#{receiver}.methods")
rescue Exception
dprint "exception: %s" % $!
methods = []
end
methods.grep(/^#{message}/).collect{|e| receiver + "::" + e}
when /^(:[^:.]+)\.([^.]*)$/ # Symbol
dprint "symbol"
receiver = $1
message = Regexp.quote($2)
methods = Symbol.instance_methods(true)
when /^([0-9_]+(\.[0-9_]+)?(e[0-9]+)?)\.([^.]*)$/ # Numeric
dprint "numeric"
receiver = $1
message = Regexp.quote($4)
begin
methods = eval(receiver).methods
rescue Exception
methods = []
end
when /^(\$[^.]*)$/ #global
dprint "global"
methods = global_variables.grep(Regexp.new(Regexp.quote($1)))
when /^((\.?[^.]+)+?)\.([^.]*)$/ # variable
dprint "variable"
receiver = $1
message = Regexp.quote($3)
load_buffer_class( receiver )
cv = eval("self.class.constants")
vartype = get_var_type( receiver )
dprint "vartype: %s" % vartype
if vartype != ''
load_buffer_class( vartype )
begin
methods = eval("#{vartype}.instance_methods")
variables = eval("#{vartype}.instance_variables")
rescue Exception
dprint "load_buffer_class err: %s" % $!
end
elsif (cv).include?(receiver)
# foo.func and foo is local var.
methods = eval("#{receiver}.methods")
vartype = receiver
elsif /^[A-Z]/ =~ receiver and /\./ !~ receiver
vartype = receiver
# Foo::Bar.func
begin
methods = eval("#{receiver}.methods")
rescue Exception
end
else
# func1.func2
ObjectSpace.each_object(Module){|m|
next if m.name != "IRB::Context" and
/^(IRB|SLex|RubyLex|RubyToken)/ =~ m.name
methods.concat m.instance_methods(false)
}
end
variables += add_rails_columns( "#{vartype}" ) if vartype && vartype.length > 0
when /^\(?\s*[A-Za-z0-9:^@.%\/+*\(\)]+\.\.\.?[A-Za-z0-9:^@.%\/+*\(\)]+\s*\)?\.([^.]*)/
message = $1
methods = Range.instance_methods(true)
when /^\.([^.]*)$/ # unknown(maybe String)
message = Regexp.quote($1)
methods = String.instance_methods(true)
else
dprint "default/other"
inclass = eval( VIM::evaluate("s:IsInClassDef()") )
if inclass != nil
dprint "inclass"
classdef = "%s\n" % VIM::Buffer.current[ inclass.min ]
found = /^\s*class\s*([A-Za-z0-9_-]*)(\s*<\s*([A-Za-z0-9_:-]*))?\s*\n$/.match( classdef )
if found != nil
receiver = $1
message = input
load_buffer_class( receiver )
begin
methods = eval( "#{receiver}.instance_methods" )
variables += add_rails_columns( "#{receiver}" )
rescue Exception
found = nil
end
end
end
if inclass == nil || found == nil
dprint "inclass == nil"
methods = get_buffer_methods
methods += get_rails_view_methods
cls_const = Class.constants
constants = cls_const.select { |c| /^[A-Z_-]+$/.match( c ) }
classes = eval("self.class.constants") - constants
classes += get_buffer_classes
classes += get_buffer_modules
include_objectspace = VIM::evaluate("exists('g:rubycomplete_include_objectspace') && g:rubycomplete_include_objectspace")
ObjectSpace.each_object(Class) { |cls| classes << cls.to_s } if include_objectspace == "1"
message = receiver = input
end
methods += get_rails_helpers
methods += Kernel.public_methods
end
include_object = VIM::evaluate("exists('g:rubycomplete_include_object') && g:rubycomplete_include_object")
methods = clean_sel( methods, message )
methods = (methods-Object.instance_methods) if include_object == "0"
rbcmeth = (VimRubyCompletion.instance_methods-Object.instance_methods) # lets remove those rubycomplete methods
methods = (methods-rbcmeth)
variables = clean_sel( variables, message )
classes = clean_sel( classes, message ) - ["VimRubyCompletion"]
constants = clean_sel( constants, message )
valid = []
valid += methods.collect { |m| { :name => m, :type => 'm' } }
valid += variables.collect { |v| { :name => v, :type => 'v' } }
valid += classes.collect { |c| { :name => c, :type => 't' } }
valid += constants.collect { |d| { :name => d, :type => 'd' } }
valid.sort! { |x,y| x[:name] <=> y[:name] }
outp = ""
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','kind':'%s'}," % [ c[:name], c[:name], c[:type] ] }
outp.sub!(/,$/, '')
VIM::command("call extend(g:rubycomplete_completions, [%s])" % outp)
outp = ""
end
end
# }}} main completion code
end # VimRubyCompletion
# }}} ruby completion
RUBYEOF
endfunction
let s:rubycomplete_rails_loaded = 0
call s:DefRuby()
"}}} ruby-side code
" vim:tw=78:sw=4:ts=8:et:fdm=marker:ft=vim:norl:
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