Add Google Go stuff for vim
authorColin Patrick McCabe <cmccabe@alumni.cmu.edu>
Thu, 19 May 2011 16:22:38 +0000 (09:22 -0700)
committerColin Patrick McCabe <cmccabe@alumni.cmu.edu>
Thu, 19 May 2011 16:22:38 +0000 (09:22 -0700)
Signed-off-by: Colin McCabe <cmccabe@alumni.cmu.edu>

.vim/ftdetect/gofiletype.vim [new file with mode: 0644]
.vim/indent/go.vim [new file with mode: 0644]
.vim/syntax/go.vim [new file with mode: 0644]

diff --git a/.vim/ftdetect/gofiletype.vim b/.vim/ftdetect/gofiletype.vim
new file mode 100644 (file)
index 0000000..8843121
--- /dev/null
@@ -0,0 +1 @@
+au BufRead,BufNewFile *.go set filetype=go
diff --git a/.vim/indent/go.vim b/.vim/indent/go.vim
new file mode 100644 (file)
index 0000000..cea150d
--- /dev/null
@@ -0,0 +1,69 @@
+" Vim indent file
+" Language:    Go
+" Author:      Alecs King <alecsk@gmail.com>
+"
+" inspired by indent/lua.vim
+"
+" very simple:
+" just indent common cases to avoid manually typing tab or backspace
+"
+" for better style, please use gofmt after done editing.
+"
+" since it just simply uses regex matches,
+" there might be some mis-indented corner cases.
+" 
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+" 4-space hard tabs is the preferred style for Go
+set sw=4
+set ts=4
+set noet
+set tw=79
+
+setlocal indentexpr=GetGoIndent()
+
+" To make Vim call GetLuaIndent() when it finds '\s*)', '\s*}', '\s*case', '\s*default'
+setlocal indentkeys+=0=),0=},0=case,0=default
+
+setlocal autoindent
+
+" Only define the function once.
+if exists("*GetGoIndent")
+  finish
+endif
+
+function! GetGoIndent()
+  " Find a non-blank line above the current line.
+  let prevlnum = prevnonblank(v:lnum - 1)
+
+  " Hit the start of the file, use zero indent.
+  if prevlnum == 0
+    return 0
+  endif
+
+  " Add a 'shiftwidth' after lines that start a block:
+  " 'case', 'default', '{', '('
+  let ind = indent(prevlnum)
+  let prevline = getline(prevlnum)
+  let midx = match(prevline, '^\s*\%(case\>\|default\>\)')
+  if midx == -1
+    let midx = match(prevline, '[({]\s*$')
+  endif
+  if midx != -1
+    let ind = ind + &shiftwidth
+  endif
+
+  " Subtract a 'shiftwidth' on 'case', 'default', '}', ')'.
+  " This is the part that requires 'indentkeys'.
+  let midx = match(getline(v:lnum), '^\s*\%(case\>\|default\>\|[)}]\)')
+  if midx != -1
+    let ind = ind - &shiftwidth
+  endif
+
+  return ind
+endfunction
diff --git a/.vim/syntax/go.vim b/.vim/syntax/go.vim
new file mode 100644 (file)
index 0000000..7adbe8e
--- /dev/null
@@ -0,0 +1,201 @@
+" Copyright 2009 The Go Authors. All rights reserved.
+" Use of this source code is governed by a BSD-style
+" license that can be found in the LICENSE file.
+"
+" go.vim: Vim syntax file for Go.
+"
+" Options:
+"   There are some options for customizing the highlighting; the recommended
+"   settings are the default values, but you can write:
+"     let OPTION_NAME = 0
+"   in your ~/.vimrc file to disable particular options. You can also write:
+"     let OPTION_NAME = 1
+"   to enable particular options. At present, all options default to on.
+"
+"   - go_highlight_array_whitespace_error
+"     Highlights white space after "[]".
+"   - go_highlight_chan_whitespace_error
+"     Highlights white space around the communications operator that don't follow
+"     the standard style.
+"   - go_highlight_extra_types
+"     Highlights commonly used library types (os.Error, etc.).
+"   - go_highlight_space_tab_error
+"     Highlights instances of tabs following spaces.
+"   - go_highlight_trailing_whitespace_error
+"     Highlights trailing white space.
+
+" Quit when a (custom) syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+if !exists("go_highlight_array_whitespace_error")
+  let go_highlight_array_whitespace_error = 1
+endif
+if !exists("go_highlight_chan_whitespace_error")
+  let go_highlight_chan_whitespace_error = 1
+endif
+if !exists("go_highlight_extra_types")
+  let go_highlight_extra_types = 1
+endif
+if !exists("go_highlight_space_tab_error")
+  let go_highlight_space_tab_error = 1
+endif
+if !exists("go_highlight_trailing_whitespace_error")
+  let go_highlight_trailing_whitespace_error = 1
+endif
+
+syn case match
+
+syn keyword     goDirective         package import
+syn keyword     goDeclaration       var const type
+syn keyword     goDeclType          struct interface
+
+hi def link     goDirective         Statement
+hi def link     goDeclaration       Keyword
+hi def link     goDeclType          Keyword
+
+" Keywords within functions
+syn keyword     goStatement         defer go goto return break continue fallthrough
+syn keyword     goConditional       if else switch select
+syn keyword     goLabel             case default
+syn keyword     goRepeat            for range
+
+hi def link     goStatement         Statement
+hi def link     goConditional       Conditional
+hi def link     goLabel             Label
+hi def link     goRepeat            Repeat
+
+" Predefined types
+syn keyword     goType              chan map bool string
+syn keyword     goSignedInts        int int8 int16 int32 int64
+syn keyword     goUnsignedInts      byte uint uint8 uint16 uint32 uint64 uintptr
+syn keyword     goFloats            float float32 float64
+syn keyword     goComplexes         complex complex64 complex128
+
+hi def link     goType              Type
+hi def link     goSignedInts        Type
+hi def link     goUnsignedInts      Type
+hi def link     goFloats            Type
+hi def link     goComplexes         Type
+
+" Treat func specially: it's a declaration at the start of a line, but a type
+" elsewhere. Order matters here.
+syn match       goType              /\<func\>/
+syn match       goDeclaration       /^func\>/
+
+" Predefined functions and values
+syn keyword     goBuiltins          append cap close closed cmplx copy imag len
+syn keyword     goBuiltins          make new panic print println real recover
+syn keyword     goConstants         iota true false nil
+
+hi def link     goBuiltins          Keyword
+hi def link     goConstants         Keyword
+
+" Comments; their contents
+syn keyword     goTodo              contained TODO FIXME XXX BUG
+syn cluster     goCommentGroup      contains=goTodo
+syn region      goComment           start="/\*" end="\*/" contains=@goCommentGroup,@Spell
+syn region      goComment           start="//" end="$" contains=@goCommentGroup,@Spell
+
+hi def link     goComment           Comment
+hi def link     goTodo              Todo
+
+" Go escapes
+syn match       goEscapeOctal       display contained "\\[0-7]\{3}"
+syn match       goEscapeC           display contained +\\[abfnrtv\\'"]+
+syn match       goEscapeX           display contained "\\x\x\{2}"
+syn match       goEscapeU           display contained "\\u\x\{4}"
+syn match       goEscapeBigU        display contained "\\U\x\{8}"
+syn match       goEscapeError       display contained +\\[^0-7xuUabfnrtv\\'"]+
+
+hi def link     goEscapeOctal       goSpecialString
+hi def link     goEscapeC           goSpecialString
+hi def link     goEscapeX           goSpecialString
+hi def link     goEscapeU           goSpecialString
+hi def link     goEscapeBigU        goSpecialString
+hi def link     goSpecialString     Special
+hi def link     goEscapeError       Error
+
+" Strings and their contents
+syn cluster     goStringGroup       contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU,goEscapeError
+syn region      goString            start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup
+syn region      goRawString         start=+`+ end=+`+
+
+hi def link     goString            String
+hi def link     goRawString         String
+
+" Characters; their contents
+syn cluster     goCharacterGroup    contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU
+syn region      goCharacter         start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=@goCharacterGroup
+
+hi def link     goCharacter         Character
+
+" Regions
+syn region      goBlock             start="{" end="}" transparent fold
+syn region      goParen             start='(' end=')' transparent
+
+" Integers
+syn match       goDecimalInt        "\<\d\+\([Ee]\d\+\)\?\>"
+syn match       goHexadecimalInt    "\<0x\x\+\>"
+syn match       goOctalInt          "\<0\o\+\>"
+syn match       goOctalError        "\<0\o*[89]\d*\>"
+
+hi def link     goDecimalInt        Integer
+hi def link     goHexadecimalInt    Integer
+hi def link     goOctalInt          Integer
+hi def link     Integer             Number
+
+" Floating point
+syn match       goFloat             "\<\d\+\.\d*\([Ee][-+]\d\+\)\?\>"
+syn match       goFloat             "\<\.\d\+\([Ee][-+]\d\+\)\?\>"
+syn match       goFloat             "\<\d\+[Ee][-+]\d\+\>"
+
+hi def link     goFloat             Float
+
+" Imaginary literals
+syn match       goImaginary         "\<\d\+i\>"
+syn match       goImaginary         "\<\d\+\.\d*\([Ee][-+]\d\+\)\?i\>"
+syn match       goImaginary         "\<\.\d\+\([Ee][-+]\d\+\)\?i\>"
+syn match       goImaginary         "\<\d\+[Ee][-+]\d\+i\>"
+
+hi def link     goImaginary         Number
+
+" Spaces after "[]"
+if go_highlight_array_whitespace_error != 0
+  syn match goSpaceError display "\(\[\]\)\@<=\s\+"
+endif
+
+" Spacing errors around the 'chan' keyword
+if go_highlight_chan_whitespace_error != 0
+  " receive-only annotation on chan type
+  syn match goSpaceError display "\(<-\)\@<=\s\+\(chan\>\)\@="
+  " send-only annotation on chan type
+  syn match goSpaceError display "\(\<chan\)\@<=\s\+\(<-\)\@="
+  " value-ignoring receives in a few contexts
+  syn match goSpaceError display "\(\(^\|[={(,;]\)\s*<-\)\@<=\s\+"
+endif
+
+" Extra types commonly seen
+if go_highlight_extra_types != 0
+  syn match goExtraType /\<bytes\.\(Buffer\)\>/
+  syn match goExtraType /\<io\.\(Reader\|Writer\|ReadWriter\|ReadWriteCloser\)\>/
+  syn match goExtraType /\<\(os\.Error\)\>/
+  syn match goExtraType /\<reflect\.\w*\(Type\|Value\)\>/
+  syn match goExtraType /\<unsafe\.Pointer\>/
+endif
+
+" Space-tab error
+if go_highlight_space_tab_error != 0
+  syn match goSpaceError display " \+\t"me=e-1
+endif
+
+" Trailing white space error
+if go_highlight_trailing_whitespace_error != 0
+  syn match goSpaceError display excludenl "\s\+$"
+endif
+
+hi def link     goExtraType         Type
+hi def link     goSpaceError        Error
+
+let b:current_syntax = "go"