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831
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1 " Vim completion script
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2 " Language: Ruby
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838
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3 " Maintainer: Mark Guzman <segfault@hasno.info>
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4 " Info: $Id$
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5 " URL: http://vim-ruby.rubyforge.org
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6 " Anon CVS: See above site
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7 " Release Coordinator: Doug Kearns <dougkearns@gmail.com>
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8 " ----------------------------------------------------------------------------
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9 "
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10 " Ruby IRB/Complete author: Keiju ISHITSUKA(keiju@ishitsuka.com)
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11 " ----------------------------------------------------------------------------
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12
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13 if !has('ruby')
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838
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14 echohl ErrorMsg
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15 echo "Error: Required vim compiled with +ruby"
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838
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16 echohl None
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17 finish
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18 endif
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19
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20 if version < 700
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838
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21 echohl ErrorMsg
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22 echo "Error: Required vim >= 7.0"
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838
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23 echohl None
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24 finish
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25 endif
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26
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838
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27
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28 function! GetBufferRubyModule(name)
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29 let [snum,enum] = GetBufferRubyEntity(a:name, "module")
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30 return snum . '..' . enum
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31 endfunction
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32
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33 function! GetBufferRubyClass(name)
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34 let [snum,enum] = GetBufferRubyEntity(a:name, "class")
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35 return snum . '..' . enum
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36 endfunction
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37
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38 function! GetBufferRubySingletonMethods(name)
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39 endfunction
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40
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41 function! GetBufferRubyEntity( name, type )
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42 let stopline = 1
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43 let crex = '^\s*' . a:type . '\s*' . a:name . '\s*\(<\s*.*\s*\)\?\n*\(\(\s\|#\).*\n*\)*\n*\s*end$'
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44 let [lnum,lcol] = searchpos( crex, 'nbw')
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45 if lnum == 0 && lcol == 0
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46 return [0,0]
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47 endif
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48
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49 let [enum,ecol] = searchpos( crex, 'nebw')
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50 if lnum > enum
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51 let realdef = getline( lnum )
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52 let crexb = '^' . realdef . '\n*\(\(\s\|#\).*\n*\)*\n*\s*end$'
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53 let [enum,ecol] = searchpos( crexb, 'necw' )
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54 endif
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55 " we found a the class def
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56 return [lnum,enum]
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57 endfunction
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58
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59 function! IsInClassDef()
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60 let [snum,enum] = GetBufferRubyEntity( '.*', "class" )
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61 let ret = 'nil'
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62 let pos = line('.')
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63
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64 if snum < pos && pos < enum
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65 let ret = snum . '..' . enum
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66 endif
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67
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68 return ret
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69 endfunction
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70
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71 function! GetRubyVarType(v)
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72 let stopline = 1
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73 let vtp = ''
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74 let pos = getpos('.')
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75 let [lnum,lcol] = searchpos('^\s*#\s*@var\s*'.a:v.'\>\s\+[^ \t]\+\s*$','nb',stopline)
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76 if lnum != 0 && lcol != 0
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77 call setpos('.',pos)
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78 let str = getline(lnum)
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79 let vtp = substitute(str,'^\s*#\s*@var\s*'.a:v.'\>\s\+\([^ \t]\+\)\s*$','\1','')
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80 return vtp
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81 endif
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82 call setpos('.',pos)
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83 let [lnum,lcol] = searchpos(''.a:v.'\>\s*[+\-*/]*=\s*\([^ \t]\+.\(now\|new\|open\|get_instance\)\>\|[\[{"''/]\|%r{\)','nb',stopline)
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84 if lnum != 0 && lcol != 0
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85 let str = matchstr(getline(lnum),'=\s*\([^ \t]\+.\(now\|new\|open\|get_instance\)\>\|[\[{"''/]\|%r{\)',lcol)
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86 let str = substitute(str,'^=\s*','','')
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87 call setpos('.',pos)
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88 if str == '"' || str == ''''
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89 return 'String'
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90 elseif str == '['
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91 return 'Array'
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92 elseif str == '{'
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93 return 'Hash'
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838
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94 elseif str == '/' || str == '%r{'
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95 return 'Regexp'
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96 elseif strlen(str) > 4
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97 let l = stridx(str,'.')
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98 return str[0:l-1]
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99 end
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100 return ''
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101 endif
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102 call setpos('.',pos)
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103 return ''
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104 endfunction
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105
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106 function! rubycomplete#Complete(findstart, base)
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107 "findstart = 1 when we need to get the text length
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108 if a:findstart
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109 let line = getline('.')
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110 let idx = col('.')
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111 while idx > 0
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112 let idx -= 1
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113 let c = line[idx-1]
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114 if c =~ '\w'
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115 continue
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116 elseif ! c =~ '\.'
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117 idx = -1
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118 break
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119 else
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120 break
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121 endif
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122 endwhile
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123
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124 return idx
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125 "findstart = 0 when we need to return the list of completions
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126 else
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127 let g:rubycomplete_completions = []
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128 execute "ruby get_completions('" . a:base . "')"
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129 return g:rubycomplete_completions
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130 endif
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131 endfunction
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132
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133
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134 function! s:DefRuby()
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135 ruby << RUBYEOF
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136 RailsWords = [
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137 "has_many", "has_one",
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138 "belongs_to",
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139 ]
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140
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141 ReservedWords = [
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142 "BEGIN", "END",
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143 "alias", "and",
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144 "begin", "break",
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145 "case", "class",
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146 "def", "defined", "do",
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147 "else", "elsif", "end", "ensure",
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148 "false", "for",
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149 "if", "in",
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150 "module",
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151 "next", "nil", "not",
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152 "or",
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153 "redo", "rescue", "retry", "return",
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154 "self", "super",
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155 "then", "true",
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156 "undef", "unless", "until",
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157 "when", "while",
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158 "yield",
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159 ]
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160
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161 Operators = [ "%", "&", "*", "**", "+", "-", "/",
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162 "<", "<<", "<=", "<=>", "==", "===", "=~", ">", ">=", ">>",
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163 "[]", "[]=", "^", ]
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164
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838
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165
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166 def load_requires
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167 @buf = VIM::Buffer.current
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168 enum = @buf.line_number
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169 nums = Range.new( 1, enum )
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170 nums.each do |x|
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171 ln = @buf[x]
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172 begin
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173 eval( "require %s" % $1 ) if /.*require\s*(.*)$/.match( ln )
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174 rescue Exception
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175 #ignore?
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176 end
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838
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177 end
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178 end
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179
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180 def load_buffer_class(name)
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181 classdef = get_buffer_entity(name, 'GetBufferRubyClass("%s")')
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182 return if classdef == nil
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183
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184 pare = /^\s*class\s*(.*)\s*<\s*(.*)\s*\n/.match( classdef )
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185 load_buffer_class( $2 ) if pare != nil
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186
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187 mixre = /.*\n\s*include\s*(.*)\s*\n/.match( classdef )
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188 load_buffer_module( $2 ) if mixre != nil
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189
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190 eval classdef
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191 end
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192
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193 def load_buffer_module(name)
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194 classdef = get_buffer_entity(name, 'GetBufferRubyModule("%s")')
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195 return if classdef == nil
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196
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197 eval classdef
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198 end
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199
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838
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200 def get_buffer_entity(name, vimfun)
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201 @buf = VIM::Buffer.current
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202 nums = eval( VIM::evaluate( vimfun % name ) )
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203 return nil if nums == nil
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204 return nil if nums.min == nums.max && nums.min == 0
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205
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206 cur_line = VIM::Buffer.current.line_number
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207 classdef = ""
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208 nums.each do |x|
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209 if x != cur_line
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210 ln = @buf[x]
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211 classdef += "%s\n" % ln
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212 end
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838
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213 end
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214
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215 return classdef
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216 end
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217
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218 def load_rails()
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219 allow_rails = VIM::evaluate('g:rubycomplete_rails')
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220 return if allow_rails != '1'
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221
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222 buf_path = VIM::evaluate('expand("%:p")')
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223 file_name = VIM::evaluate('expand("%:t")')
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224 path = buf_path.gsub( file_name, '' )
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225 path.gsub!( /\\/, "/" )
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226 pup = [ "../", "../../", "../../../", "../../../../" ]
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227 pok = nil
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228
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229 pup.each do |sup|
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230 tpok = "%s%sconfig" % [ path, sup ]
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231 if File.exists?( tpok )
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232 pok = tpok
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233 break
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234 end
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235 end
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236 bootfile = pok + "/boot.rb"
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237 require bootfile if pok != nil && File.exists?( bootfile )
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238 end
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239
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240 def get_rails_helpers
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241 allow_rails = VIM::evaluate('g:rubycomplete_rails')
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242 return [] if allow_rails != '1'
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243 return RailsWords
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244 end
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245
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246 def get_completions(base)
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838
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247 load_requires
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248 load_rails
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249
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250 input = VIM::evaluate('expand("<cWORD>")')
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251 input += base
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252 input.lstrip!
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253 if input.length == 0
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254 input = VIM::Buffer.current.line
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255 input.strip!
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256 end
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257 message = nil
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258
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259
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838
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260 case input
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261 when /^(\/[^\/]*\/)\.([^.]*)$/
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262 # Regexp
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263 receiver = $1
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264 message = Regexp.quote($2)
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265
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266 candidates = Regexp.instance_methods(true)
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267 select_message(receiver, message, candidates)
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268
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269 when /^([^\]]*\])\.([^.]*)$/
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270 # Array
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271 receiver = $1
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272 message = Regexp.quote($2)
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273
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274 candidates = Array.instance_methods(true)
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275 select_message(receiver, message, candidates)
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276
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277 when /^([^\}]*\})\.([^.]*)$/
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278 # Proc or Hash
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279 receiver = $1
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280 message = Regexp.quote($2)
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281
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282 candidates = Proc.instance_methods(true) | Hash.instance_methods(true)
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283 select_message(receiver, message, candidates)
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284
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285 when /^(:[^:.]*)$/
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286 # Symbol
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287 if Symbol.respond_to?(:all_symbols)
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288 sym = $1
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289 candidates = Symbol.all_symbols.collect{|s| ":" + s.id2name}
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290 candidates.grep(/^#{sym}/)
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291 candidates.delete_if do |c|
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292 c.match( /'/ )
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293 end
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294 candidates.uniq!
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295 candidates.sort!
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296 else
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297 []
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298 end
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299
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300 when /^::([A-Z][^:\.\(]*)$/
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301 # Absolute Constant or class methods
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302 receiver = $1
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303 candidates = Object.constants
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304 candidates.grep(/^#{receiver}/).collect{|e| "::" + e}
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305
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838
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306 when /^(((::)?[A-Z][^:.\(]*)+)::?([^:.]*)$/
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307 # Constant or class methods
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308 receiver = $1
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309 message = Regexp.quote($4)
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310 begin
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311 candidates = eval("#{receiver}.constants | #{receiver}.methods")
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312 rescue Exception
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313 candidates = []
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314 end
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315 candidates.grep(/^#{message}/).collect{|e| receiver + "::" + e}
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316
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317 when /^(:[^:.]+)\.([^.]*)$/
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318 # Symbol
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319 receiver = $1
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320 message = Regexp.quote($2)
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321
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322 candidates = Symbol.instance_methods(true)
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323 select_message(receiver, message, candidates)
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324
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325 when /^([0-9_]+(\.[0-9_]+)?(e[0-9]+)?)\.([^.]*)$/
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326 # Numeric
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327 receiver = $1
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328 message = Regexp.quote($4)
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329
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838
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330 begin
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331 candidates = eval(receiver).methods
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332 rescue Exception
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333 candidates
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334 end
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335 select_message(receiver, message, candidates)
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336
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337 when /^(\$[^.]*)$/
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338 candidates = global_variables.grep(Regexp.new(Regexp.quote($1)))
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339
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838
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340 # when /^(\$?(\.?[^.]+)+)\.([^.]*)$/
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341 when /^((\.?[^.]+)+)\.([^.]*)$/
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342 # variable
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343 receiver = $1
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344 message = Regexp.quote($3)
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345 load_buffer_class( receiver )
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346
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347 cv = eval("self.class.constants")
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348
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349 vartype = VIM::evaluate("GetRubyVarType('%s')" % receiver)
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350 if vartype != ''
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351 load_buffer_class( vartype )
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352
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353 begin
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838
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354 candidates = eval("#{vartype}.instance_methods")
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355 rescue Exception
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356 candidates = []
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357 end
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838
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358 elsif (cv).include?(receiver)
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359 # foo.func and foo is local var.
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360 candidates = eval("#{receiver}.methods")
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361 elsif /^[A-Z]/ =~ receiver and /\./ !~ receiver
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362 # Foo::Bar.func
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363 begin
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838
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364 candidates = eval("#{receiver}.methods")
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365 rescue Exception
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838
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366 candidates = []
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367 end
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838
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368 else
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369 # func1.func2
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370 candidates = []
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371 ObjectSpace.each_object(Module){|m|
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372 next if m.name != "IRB::Context" and
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373 /^(IRB|SLex|RubyLex|RubyToken)/ =~ m.name
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374 candidates.concat m.instance_methods(false)
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375 }
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376 candidates.sort!
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377 candidates.uniq!
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378 end
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379 #identify_type( receiver )
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380 select_message(receiver, message, candidates)
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381
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382 #when /^((\.?[^.]+)+)\.([^.]*)\(\s*\)*$/
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383 #function call
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384 #obj = $1
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385 #func = $3
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386
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838
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387 when /^\.([^.]*)$/
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831
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388 # unknown(maybe String)
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389
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838
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390 receiver = ""
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391 message = Regexp.quote($1)
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392
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393 candidates = String.instance_methods(true)
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394 select_message(receiver, message, candidates)
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395
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396 else
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397 inclass = eval( VIM::evaluate("IsInClassDef()") )
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831
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398
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838
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399 if inclass != nil
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400 classdef = "%s\n" % VIM::Buffer.current[ inclass.min ]
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401 found = /^\s*class\s*([A-Za-z0-9_-]*)(\s*<\s*([A-Za-z0-9_:-]*))?\s*\n$/.match( classdef )
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402
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403 if found != nil
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404 receiver = $1
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405 message = input
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406 load_buffer_class( receiver )
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407 candidates = eval( "#{receiver}.instance_methods" )
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408 candidates += get_rails_helpers
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831
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409 select_message(receiver, message, candidates)
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838
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410 end
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411 end
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412
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413 if inclass == nil || found == nil
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831
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414 candidates = eval("self.class.constants")
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415 (candidates|ReservedWords).grep(/^#{Regexp.quote(input)}/)
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416 end
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838
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417 end
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831
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418
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419 #print candidates
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838
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420 if message != nil && message.length > 0
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421 rexp = '^%s' % message.downcase
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422 candidates.delete_if do |c|
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423 c.downcase.match( rexp )
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424 $~ == nil
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831
|
425 end
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838
|
426 end
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831
|
427
|
|
838
|
428 outp = ""
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429
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430 # tags = VIM::evaluate("taglist('^%s$')" %
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431 valid = (candidates-Object.instance_methods)
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432
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433 rg = 0..valid.length
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434 rg.step(150) do |x|
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435 stpos = 0+x
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|
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436 enpos = 150+x
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|
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437 valid[stpos..enpos].each { |c| outp += "{'word':'%s','item':'%s'}," % [ c, c ] }
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|
|
438 outp.sub!(/,$/, '')
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|
|
439
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|
|
440 VIM::command("call extend(g:rubycomplete_completions, [%s])" % outp)
|
|
831
|
441 outp = ""
|
|
838
|
442 end
|
|
831
|
443 end
|
|
|
444
|
|
|
445
|
|
|
446 def select_message(receiver, message, candidates)
|
|
838
|
447 #tags = VIM::evaluate("taglist('%s')" % receiver)
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|
|
448 #print tags
|
|
831
|
449 candidates.grep(/^#{message}/).collect do |e|
|
|
|
450 case e
|
|
|
451 when /^[a-zA-Z_]/
|
|
|
452 receiver + "." + e
|
|
|
453 when /^[0-9]/
|
|
|
454 when *Operators
|
|
|
455 #receiver + " " + e
|
|
|
456 end
|
|
|
457 end
|
|
|
458 candidates.delete_if { |x| x == nil }
|
|
|
459 candidates.uniq!
|
|
|
460 candidates.sort!
|
|
|
461 end
|
|
|
462 RUBYEOF
|
|
|
463 endfunction
|
|
|
464
|
|
838
|
465
|
|
|
466 let g:rubycomplete_rails = 0
|
|
831
|
467 call s:DefRuby()
|
|
|
468 " vim: set et ts=4:
|
