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7
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1 " Vim syntax file
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2 " Language: OCaml
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3 " Filenames: *.ml *.mli *.mll *.mly
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4 " Maintainers: Markus Mottl <markus@oefai.at>
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20
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5 " Karl-Heinz Sylla <Karl-Heinz.Sylla@gmd.de>
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6 " Issac Trotts <ijtrotts@ucdavis.edu>
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7 " URL: http://www.oefai.at/~markus/vim/syntax/ocaml.vim
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8 " Last Change: 2004 Jul 26
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9 " 2003 Jan 19 - Added keyword "require" for scripting (MM)
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10 " 2002 Oct 30 - New variable "ocaml_revised" (MM)
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7
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11
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12 " For version 5.x: Clear all syntax items
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13 " For version 6.x: Quit when a syntax file was already loaded
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14 if version < 600
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15 syntax clear
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16 elseif exists("b:current_syntax")
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17 finish
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18 endif
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19
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20 " OCaml is case sensitive.
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21 syn case match
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22
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23 " Script headers highlighted like comments
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24 syn match ocamlComment "^#!.*"
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25
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26 " Scripting directives
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20
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27 syn match ocamlScript "^#\<\(quit\|labels\|warnings\|directory\|cd\|load\|use\|install_printer\|remove_printer\|require\|trace\|untrace\|untrace_all\|print_depth\|print_length\)\>"
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7
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28
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29 " lowercase identifier - the standard way to match
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30 syn match ocamlLCIdentifier /\<\(\l\|_\)\(\w\|'\)*\>/
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31
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32 syn match ocamlKeyChar "|"
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33
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34 " Errors
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35 syn match ocamlBraceErr "}"
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36 syn match ocamlBrackErr "\]"
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37 syn match ocamlParenErr ")"
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38 syn match ocamlArrErr "|]"
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39
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40 syn match ocamlCommentErr "\*)"
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41
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42 syn match ocamlCountErr "\<downto\>"
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43 syn match ocamlCountErr "\<to\>"
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44
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45 if !exists("ocaml_revised")
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46 syn match ocamlDoErr "\<do\>"
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47 endif
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48
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49 syn match ocamlDoneErr "\<done\>"
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50 syn match ocamlThenErr "\<then\>"
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51
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52 " Error-highlighting of "end" without synchronization:
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53 " as keyword or as error (default)
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54 if exists("ocaml_noend_error")
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55 syn match ocamlKeyword "\<end\>"
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56 else
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57 syn match ocamlEndErr "\<end\>"
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58 endif
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59
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60 " Some convenient clusters
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61 syn cluster ocamlAllErrs contains=ocamlBraceErr,ocamlBrackErr,ocamlParenErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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62
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63 syn cluster ocamlAENoParen contains=ocamlBraceErr,ocamlBrackErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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64
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65 syn cluster ocamlContained contains=ocamlTodo,ocamlPreDef,ocamlModParam,ocamlModParam1,ocamlPreMPRestr,ocamlMPRestr,ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3,ocamlModRHS,ocamlFuncWith,ocamlFuncStruct,ocamlModTypeRestr,ocamlModTRWith,ocamlWith,ocamlWithRest,ocamlModType,ocamlFullMod
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66
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67
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68 " Enclosing delimiters
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69 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="(" matchgroup=ocamlKeyword end=")" contains=ALLBUT,@ocamlContained,ocamlParenErr
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70 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="{" matchgroup=ocamlKeyword end="}" contains=ALLBUT,@ocamlContained,ocamlBraceErr
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71 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[" matchgroup=ocamlKeyword end="\]" contains=ALLBUT,@ocamlContained,ocamlBrackErr
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72 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[|" matchgroup=ocamlKeyword end="|\]" contains=ALLBUT,@ocamlContained,ocamlArrErr
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73
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74
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75 " Comments
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76 syn region ocamlComment start="(\*" end="\*)" contains=ocamlComment,ocamlTodo
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77 syn keyword ocamlTodo contained TODO FIXME XXX
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78
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79
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80 " Objects
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81 syn region ocamlEnd matchgroup=ocamlKeyword start="\<object\>" matchgroup=ocamlKeyword end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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82
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83
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84 " Blocks
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85 if !exists("ocaml_revised")
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86 syn region ocamlEnd matchgroup=ocamlKeyword start="\<begin\>" matchgroup=ocamlKeyword end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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87 endif
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88
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89
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90 " "for"
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91 syn region ocamlNone matchgroup=ocamlKeyword start="\<for\>" matchgroup=ocamlKeyword end="\<\(to\|downto\)\>" contains=ALLBUT,@ocamlContained,ocamlCountErr
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92
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93
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94 " "do"
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95 if !exists("ocaml_revised")
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96 syn region ocamlDo matchgroup=ocamlKeyword start="\<do\>" matchgroup=ocamlKeyword end="\<done\>" contains=ALLBUT,@ocamlContained,ocamlDoneErr
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97 endif
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98
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99 " "if"
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100 syn region ocamlNone matchgroup=ocamlKeyword start="\<if\>" matchgroup=ocamlKeyword end="\<then\>" contains=ALLBUT,@ocamlContained,ocamlThenErr
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101
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102
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103 "" Modules
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104
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105 " "struct"
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106 syn region ocamlStruct matchgroup=ocamlModule start="\<struct\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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107
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108 " "sig"
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109 syn region ocamlSig matchgroup=ocamlModule start="\<sig\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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110 syn region ocamlModSpec matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contained contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlModTRWith,ocamlMPRestr
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111
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112 " "open"
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113 syn region ocamlNone matchgroup=ocamlKeyword start="\<open\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\(\.\u\(\w\|'\)*\)*\>" contains=@ocamlAllErrs,ocamlComment
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114
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115 " "include"
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116 syn match ocamlKeyword "\<include\>" contained skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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117
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118 " "module" - somewhat complicated stuff ;-)
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119 syn region ocamlModule matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlPreDef
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120 syn region ocamlPreDef start="."me=e-1 matchgroup=ocamlKeyword end="\l\|="me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlModTypeRestr,ocamlModTRWith nextgroup=ocamlModPreRHS
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121 syn region ocamlModParam start="([^*]" end=")" contained contains=@ocamlAENoParen,ocamlModParam1
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122 syn match ocamlModParam1 "\<\u\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlPreMPRestr
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123
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124 syn region ocamlPreMPRestr start="."me=e-1 end=")"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlMPRestr,ocamlModTypeRestr
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125
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126 syn region ocamlMPRestr start=":" end="."me=e-1 contained contains=@ocamlComment skipwhite skipempty nextgroup=ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3
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127 syn region ocamlMPRestr1 matchgroup=ocamlModule start="\ssig\s\=" matchgroup=ocamlModule end="\<end\>" contained contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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128 syn region ocamlMPRestr2 start="\sfunctor\(\s\|(\)\="me=e-1 matchgroup=ocamlKeyword end="->" contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam skipwhite skipempty nextgroup=ocamlFuncWith,ocamlMPRestr2
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129 syn match ocamlMPRestr3 "\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*" contained
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130 syn match ocamlModPreRHS "=" contained skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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131 syn region ocamlModRHS start="." end=".\w\|([^*]"me=e-2 contained contains=ocamlComment skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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132 syn match ocamlFullMod "\<\u\(\w\|'\)*\(\.\u\(\w\|'\)*\)*" contained skipwhite skipempty nextgroup=ocamlFuncWith
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133
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134 syn region ocamlFuncWith start="([^*]"me=e-1 end=")" contained contains=ocamlComment,ocamlWith,ocamlFuncStruct skipwhite skipempty nextgroup=ocamlFuncWith
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135 syn region ocamlFuncStruct matchgroup=ocamlModule start="[^a-zA-Z]struct\>"hs=s+1 matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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136
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137 syn match ocamlModTypeRestr "\<\w\(\w\|'\)*\(\.\w\(\w\|'\)*\)*\>" contained
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138 syn region ocamlModTRWith start=":\s*("hs=s+1 end=")" contained contains=@ocamlAENoParen,ocamlWith
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139 syn match ocamlWith "\<\(\u\(\w\|'\)*\.\)*\w\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlWithRest
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140 syn region ocamlWithRest start="[^)]" end=")"me=e-1 contained contains=ALLBUT,@ocamlContained
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141
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142 " "module type"
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143 syn region ocamlKeyword start="\<module\>\s*\<type\>" matchgroup=ocamlModule end="\<\w\(\w\|'\)*\>" contains=ocamlComment skipwhite skipempty nextgroup=ocamlMTDef
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144 syn match ocamlMTDef "=\s*\w\(\w\|'\)*\>"hs=s+1,me=s
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145
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146 syn keyword ocamlKeyword and as assert class
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147 syn keyword ocamlKeyword constraint else
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148 syn keyword ocamlKeyword exception external fun
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149
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150 syn keyword ocamlKeyword in inherit initializer
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151 syn keyword ocamlKeyword land lazy let match
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152 syn keyword ocamlKeyword method mutable new of
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153 syn keyword ocamlKeyword parser private raise rec
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154 syn keyword ocamlKeyword try type
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155 syn keyword ocamlKeyword val virtual when while with
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156
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157 if exists("ocaml_revised")
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158 syn keyword ocamlKeyword do value
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159 syn keyword ocamlBoolean True False
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160 else
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161 syn keyword ocamlKeyword function
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162 syn keyword ocamlBoolean true false
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163 syn match ocamlKeyChar "!"
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164 endif
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165
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166 syn keyword ocamlType array bool char exn float format format4 int
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167 syn keyword ocamlType list option string unit
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168
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169 syn keyword ocamlOperator asr lor lsl lsr lxor mod not
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170
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171 syn match ocamlConstructor "(\s*)"
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172 syn match ocamlConstructor "\[\s*\]"
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173 syn match ocamlConstructor "\[|\s*>|]"
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174 syn match ocamlConstructor "\[<\s*>\]"
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175 syn match ocamlConstructor "\u\(\w\|'\)*\>"
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176
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177 " Polymorphic variants
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178 syn match ocamlConstructor "`\w\(\w\|'\)*\>"
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179
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180 " Module prefix
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181 syn match ocamlModPath "\u\(\w\|'\)*\."he=e-1
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182
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183 syn match ocamlCharacter "'\\\d\d\d'\|'\\[\'ntbr]'\|'.'"
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184 syn match ocamlCharErr "'\\\d\d'\|'\\\d'"
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185 syn match ocamlCharErr "'\\[^\'ntbr]'"
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186 syn region ocamlString start=+"+ skip=+\\\\\|\\"+ end=+"+
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187
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188 syn match ocamlFunDef "->"
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189 syn match ocamlRefAssign ":="
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190 syn match ocamlTopStop ";;"
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191 syn match ocamlOperator "\^"
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192 syn match ocamlOperator "::"
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193
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194 syn match ocamlOperator "&&"
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195 syn match ocamlOperator "<"
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196 syn match ocamlOperator ">"
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197 syn match ocamlAnyVar "\<_\>"
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198 syn match ocamlKeyChar "|[^\]]"me=e-1
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199 syn match ocamlKeyChar ";"
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200 syn match ocamlKeyChar "\~"
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201 syn match ocamlKeyChar "?"
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202 syn match ocamlKeyChar "\*"
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203 syn match ocamlKeyChar "="
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204
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205 if exists("ocaml_revised")
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206 syn match ocamlErr "<-"
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207 else
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208 syn match ocamlOperator "<-"
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209 endif
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210
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211 syn match ocamlNumber "\<-\=\d\+\>"
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212 syn match ocamlNumber "\<-\=0[x|X]\x\+\>"
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213 syn match ocamlNumber "\<-\=0[o|O]\o\+\>"
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214 syn match ocamlNumber "\<-\=0[b|B][01]\+\>"
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215 syn match ocamlFloat "\<-\=\d\+\.\d*\([eE][-+]\=\d\+\)\=[fl]\=\>"
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216
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217 " Labels
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218 syn match ocamlLabel "\~\(\l\|_\)\(\w\|'\)*"lc=1
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219 syn match ocamlLabel "?\(\l\|_\)\(\w\|'\)*"lc=1
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220 syn region ocamlLabel transparent matchgroup=ocamlLabel start="?(\(\l\|_\)\(\w\|'\)*"lc=2 end=")"me=e-1 contains=ALLBUT,@ocamlContained,ocamlParenErr
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221
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222
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223 " Synchronization
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224 syn sync minlines=50
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225 syn sync maxlines=500
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226
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227 if !exists("ocaml_revised")
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228 syn sync match ocamlDoSync grouphere ocamlDo "\<do\>"
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229 syn sync match ocamlDoSync groupthere ocamlDo "\<done\>"
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230 endif
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231
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232 if exists("ocaml_revised")
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233 syn sync match ocamlEndSync grouphere ocamlEnd "\<\(object\)\>"
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234 else
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235 syn sync match ocamlEndSync grouphere ocamlEnd "\<\(begin\|object\)\>"
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236 endif
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237
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238 syn sync match ocamlEndSync groupthere ocamlEnd "\<end\>"
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239 syn sync match ocamlStructSync grouphere ocamlStruct "\<struct\>"
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240 syn sync match ocamlStructSync groupthere ocamlStruct "\<end\>"
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241 syn sync match ocamlSigSync grouphere ocamlSig "\<sig\>"
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242 syn sync match ocamlSigSync groupthere ocamlSig "\<end\>"
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243
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244 " Define the default highlighting.
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245 " For version 5.7 and earlier: only when not done already
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246 " For version 5.8 and later: only when an item doesn't have highlighting yet
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247 if version >= 508 || !exists("did_ocaml_syntax_inits")
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248 if version < 508
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249 let did_ocaml_syntax_inits = 1
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250 command -nargs=+ HiLink hi link <args>
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251 else
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252 command -nargs=+ HiLink hi def link <args>
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253 endif
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254
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255 HiLink ocamlBraceErr Error
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256 HiLink ocamlBrackErr Error
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257 HiLink ocamlParenErr Error
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258 HiLink ocamlArrErr Error
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259
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260 HiLink ocamlCommentErr Error
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261
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262 HiLink ocamlCountErr Error
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263 HiLink ocamlDoErr Error
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264 HiLink ocamlDoneErr Error
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265 HiLink ocamlEndErr Error
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266 HiLink ocamlThenErr Error
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267
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268 HiLink ocamlCharErr Error
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269
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270 HiLink ocamlErr Error
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271
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272 HiLink ocamlComment Comment
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273
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274 HiLink ocamlModPath Include
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275 HiLink ocamlModule Include
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276 HiLink ocamlModParam1 Include
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277 HiLink ocamlModType Include
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278 HiLink ocamlMPRestr3 Include
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279 HiLink ocamlFullMod Include
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280 HiLink ocamlModTypeRestr Include
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281 HiLink ocamlWith Include
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282 HiLink ocamlMTDef Include
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283
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284 HiLink ocamlScript Include
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285
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286 HiLink ocamlConstructor Constant
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287
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288 HiLink ocamlModPreRHS Keyword
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289 HiLink ocamlMPRestr2 Keyword
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290 HiLink ocamlKeyword Keyword
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291 HiLink ocamlFunDef Keyword
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292 HiLink ocamlRefAssign Keyword
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293 HiLink ocamlKeyChar Keyword
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294 HiLink ocamlAnyVar Keyword
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295 HiLink ocamlTopStop Keyword
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296 HiLink ocamlOperator Keyword
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297
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298 HiLink ocamlBoolean Boolean
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299 HiLink ocamlCharacter Character
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300 HiLink ocamlNumber Number
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301 HiLink ocamlFloat Float
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302 HiLink ocamlString String
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303
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304 HiLink ocamlLabel Identifier
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305
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306 HiLink ocamlType Type
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307
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308 HiLink ocamlTodo Todo
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309
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310 HiLink ocamlEncl Keyword
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311
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312 delcommand HiLink
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313 endif
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314
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315 let b:current_syntax = "ocaml"
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316
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317 " vim: ts=8
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