vim: change peg support to use submodule instead of import

Signed-off-by: Alejandro Mery <amery@geeks.cl>

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "3rd-party/leg.vim"]
 	path = 3rd-party/leg.vim
 	url = https://github.com/Qix-/leg.vim
+[submodule "3rd-party/peg.vim"]
+	path = 3rd-party/peg.vim
+	url = https://github.com/gf3/peg.vim

3rd-party/peg.vim

@@ -0,0 +1 @@
+Subproject commit 442295703190e5c8fe2fe2389814f25cac92269a

files/.vim/ftdetect/peg.vim

@@ -1 +0,0 @@
-au BufRead,BufNewFile *.peg set ft=peg

files/.vim/ftdetect/peg.vim

@@ -0,0 +1 @@
+../../../3rd-party/peg.vim/ftdetect/peg.vim

files/.vim/syntax/peg.vim

@@ -1,47 +0,0 @@
-" Vim syntax file
-" Language: Parser Expression Grammars (PEG)
-" Maintainer: Gianni Chiappetta
-" Latest Revision: 2011-02-08
-
-if exists("b:current_syntax")
-  finish
-endif
-
-syn match   pegRuleIdentifier   /^\a\+/ skipwhite nextgroup=pegSeperator
-
-syn match   pegSeperator        "<-" skipwhite contained nextgroup=pegExpression
-syn match   pegSeperator        "←" skipwhite contained nextgroup=pegExpression
-
-syn match   pegExpression       /.*/ contained skipwhite contains=pegDelimiter,pegGrouping,pegSpecial,pegRange,pegTerminal,pegOrderedChoice,pegNonTerminal,pegQuantifier
-syn match   pegDelimiter        /[§]/ contained display
-syn region  pegGrouping         matchgroup=pegDelimiter start=/(/ end=/)/ contained skipwhite keepend contains=pegExpression display
-syn match   pegSpecial          /[!&ϵ^]/ contained display
-syn match   pegOrderedChoice    /\// contained display
-syn region  pegRange            matchgroup=pegDelimiter start=/\[^/ start=/\[/ end=/\]/ contained skipwhite contains=pegRangeValue,pegUnicode display
-syn match   pegRangeValue       /\d\+-\d\+/ contained display
-syn match   pegRangeValue       /\a\+-\a\+/ contained display
-syn region  pegTerminal         matchgroup=pegDelimiter start=/"/ end=/"/ contained display
-syn region  pegTerminal         matchgroup=pegDelimiter start=/'/ end=/'/ contained display
-syn match   pegUnicode          /U+[A-F0-9]\{4,6}/ contained display
-syn match   pegNonTerminal      /\a+/ contained display
-syn match   pegQuantifier       /[+\*?]/ contained display
-syn match   pegQuantifier       /{\d\+,\d\+}/ contained display
-syn match   pegQuantifier       /{\d\+}/ contained display
-
-syn match   pegComment          /;.*$/ contains=pegTodo
-syn keyword pegTodo             TODO FIXME XXX NOTE contained
-
-hi link pegRuleIdentifier Identifier
-hi link pegSeperator      Conditional
-hi link pegDelimiter      Delimiter
-hi link pegSpecial        Special
-hi link pegOrderedChoice  Conditional
-hi link pegComment        Comment
-hi link pegRangeValue     Constant
-hi link pegTerminal       String
-hi link pegUnicode        Constant
-hi link pegQuantifier     Function
-hi link pegTodo           Todo
-
-let b:current_syntax = "peg"
-

files/.vim/syntax/peg.vim

@@ -0,0 +1 @@
+../../../3rd-party/peg.vim/syntax/peg.vim