Add LLVM support (#376)

8 files changed, 427 insertions, 0 deletions

diff --git a/README.md b/README.md
index 2d30b105..1f934a67 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [less](https://github.com/groenewege/vim-less) (syntax, indent, ftplugin)
 - [liquid](https://github.com/tpope/vim-liquid) (syntax, indent, ftplugin)
 - [livescript](https://github.com/gkz/vim-ls) (syntax, indent, compiler, ftplugin)
+- [llvm](https://github.com/llvm/llvm-project) (syntax, indent, ftplugin)
 - [lua](https://github.com/tbastos/vim-lua) (syntax, indent)
 - [mako](https://github.com/sophacles/vim-bundle-mako) (syntax, indent, ftplugin)
 - [markdown](https://github.com/plasticboy/vim-markdown) (syntax, indent)
diff --git a/build b/build
index 387dd2e3..335b22a3 100755
--- a/build
+++ b/build
@@ -213,6 +213,7 @@ PACKS="
   less:groenewege/vim-less
   liquid:tpope/vim-liquid
   livescript:gkz/vim-ls
+  llvm:llvm/llvm-project:_ALL:/llvm/utils/vim/
   lua:tbastos/vim-lua
   mako:sophacles/vim-bundle-mako
   markdown:plasticboy/vim-markdown:_SYNTAX
diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index 3316c3b7..1f8857b6 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -677,6 +677,27 @@ autocmd BufNewFile,BufRead *Slakefile set filetype=ls
   augroup end
 endif
 
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'llvm') == -1
+  augroup filetypedetect
+  " llvm, from llvm-lit.vim in llvm/llvm-project:_ALL:/llvm/utils/vim/
+au BufRead,BufNewFile lit.*cfg set filetype=python
+  augroup end
+endif
+
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'llvm') == -1
+  augroup filetypedetect
+  " llvm, from llvm.vim in llvm/llvm-project:_ALL:/llvm/utils/vim/
+au BufRead,BufNewFile *.ll set filetype=llvm
+  augroup end
+endif
+
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'llvm') == -1
+  augroup filetypedetect
+  " llvm, from tablegen.vim in llvm/llvm-project:_ALL:/llvm/utils/vim/
+au BufRead,BufNewFile *.td set filetype=tablegen
+  augroup end
+endif
+
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'mako') == -1
   augroup filetypedetect
   " mako, from mako.vim in sophacles/vim-bundle-mako
diff --git a/ftplugin/llvm.vim b/ftplugin/llvm.vim
new file mode 100644
index 00000000..0006c288
--- /dev/null
+++ b/ftplugin/llvm.vim
@@ -0,0 +1,16 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'llvm') != -1
+  finish
+endif
+
+" Vim filetype plugin file
+" Language: LLVM Assembly
+" Maintainer: The LLVM team, http://llvm.org/
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal softtabstop=2 shiftwidth=2
+setlocal expandtab
+setlocal comments+=:;
diff --git a/ftplugin/tablegen.vim b/ftplugin/tablegen.vim
new file mode 100644
index 00000000..94909ef5
--- /dev/null
+++ b/ftplugin/tablegen.vim
@@ -0,0 +1,16 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'llvm') != -1
+  finish
+endif
+
+" Vim filetype plugin file
+" Language: LLVM TableGen
+" Maintainer: The LLVM team, http://llvm.org/
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal matchpairs+=<:>
+setlocal softtabstop=2 shiftwidth=2
+setlocal expandtab
diff --git a/indent/llvm.vim b/indent/llvm.vim
new file mode 100644
index 00000000..90829c25
--- /dev/null
+++ b/indent/llvm.vim
@@ -0,0 +1,76 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'llvm') != -1
+  finish
+endif
+
+" Vim indent file
+" Language:   llvm
+" Maintainer: The LLVM team, http://llvm.org/
+" What this indent plugin currently does:
+"  - If no other rule matches copy indent from previous non-empty,
+"    non-commented line
+"  - On '}' align the same as the line containing the matching '{'
+"  - If previous line ends with ':' increase indentation
+"  - If the current line ends with ':' indent at the same level as the
+"    enclosing '{'/'}' block
+" Stuff that would be nice to add:
+"  - Continue comments on next line
+"  - If there is an opening+unclosed parenthesis on previous line indent to that
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal shiftwidth=2 expandtab
+
+setlocal indentkeys=0{,0},<:>,!^F,o,O,e
+setlocal indentexpr=GetLLVMIndent()
+
+if exists("*GetLLVMIndent")
+  finish
+endif
+
+function! FindOpenBrace(lnum)
+  call cursor(a:lnum, 1)
+  return searchpair('{', '', '}', 'bW')
+endfun
+
+function! GetLLVMIndent()
+  " On '}' align the same as the line containing the matching '{'
+  let thisline = getline(v:lnum)
+  if thisline =~ '^\s*}'
+    call cursor(v:lnum, 1)
+    silent normal %
+    let opening_lnum = line('.')
+    if opening_lnum != v:lnum
+      return indent(opening_lnum)
+    endif
+  endif
+
+  " Indent labels the same as the current opening block
+  if thisline =~ ':\s*$'
+    let blockbegin = FindOpenBrace(v:lnum)
+    if blockbegin > 0
+      return indent(blockbegin)
+    endif
+  endif
+
+  " Find a non-blank not-completely commented line above the current line.
+  let prev_lnum = prevnonblank(v:lnum - 1)
+  while prev_lnum > 0 && synIDattr(synID(prev_lnum, indent(prev_lnum)+1, 0), "name") =? "string\|comment"
+    let prev_lnum = prevnonblank(prev_lnum-1)
+  endwhile
+  " Hit the start of the file, use zero indent.
+  if prev_lnum == 0
+    return 0
+  endif
+
+  let ind = indent(prev_lnum)
+  let prevline = getline(prev_lnum)
+
+  " Add a 'shiftwidth' after lines that start a block or labels
+  if prevline =~ '{\s*$' || prevline =~ ':\s*$'
+    let ind = ind + &shiftwidth
+  endif
+
+  return ind
+endfunction
diff --git a/syntax/llvm.vim b/syntax/llvm.vim
new file mode 100644
index 00000000..391c45ab
--- /dev/null
+++ b/syntax/llvm.vim
@@ -0,0 +1,238 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'llvm') != -1
+  finish
+endif
+
+" Vim syntax file
+" Language:   llvm
+" Maintainer: The LLVM team, http://llvm.org/
+" Version:      $Revision$
+
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+syn case match
+
+" Types.
+" Types also include struct, array, vector, etc. but these don't
+" benefit as much from having dedicated highlighting rules.
+syn keyword llvmType void half float double x86_fp80 fp128 ppc_fp128
+syn keyword llvmType label metadata x86_mmx
+syn keyword llvmType type label opaque token
+syn match   llvmType /\<i\d\+\>/
+
+" Instructions.
+" The true and false tokens can be used for comparison opcodes, but it's
+" much more common for these tokens to be used for boolean constants.
+syn keyword llvmStatement add addrspacecast alloca and arcp ashr atomicrmw
+syn keyword llvmStatement bitcast br catchpad catchswitch catchret call callbr
+syn keyword llvmStatement cleanuppad cleanupret cmpxchg eq exact extractelement
+syn keyword llvmStatement extractvalue fadd fast fcmp fdiv fence fmul fpext
+syn keyword llvmStatement fptosi fptoui fptrunc free frem fsub fneg getelementptr
+syn keyword llvmStatement icmp inbounds indirectbr insertelement insertvalue
+syn keyword llvmStatement inttoptr invoke landingpad load lshr malloc max min
+syn keyword llvmStatement mul nand ne ninf nnan nsw nsz nuw oeq oge ogt ole
+syn keyword llvmStatement olt one or ord phi ptrtoint resume ret sdiv select
+syn keyword llvmStatement sext sge sgt shl shufflevector sitofp sle slt srem
+syn keyword llvmStatement store sub switch trunc udiv ueq uge ugt uitofp ule ult
+syn keyword llvmStatement umax umin une uno unreachable unwind urem va_arg
+syn keyword llvmStatement xchg xor zext
+
+" Keywords.
+syn keyword llvmKeyword
+      \ acq_rel
+      \ acquire
+      \ addrspace
+      \ alias
+      \ align
+      \ alignstack
+      \ alwaysinline
+      \ appending
+      \ argmemonly
+      \ arm_aapcscc
+      \ arm_aapcs_vfpcc
+      \ arm_apcscc
+      \ asm
+      \ atomic
+      \ available_externally
+      \ blockaddress
+      \ builtin
+      \ byval
+      \ c
+      \ catch
+      \ caller
+      \ cc
+      \ ccc
+      \ cleanup
+      \ coldcc
+      \ comdat
+      \ common
+      \ constant
+      \ datalayout
+      \ declare
+      \ default
+      \ define
+      \ deplibs
+      \ dereferenceable
+      \ distinct
+      \ dllexport
+      \ dllimport
+      \ dso_local
+      \ dso_preemptable
+      \ except
+      \ external
+      \ externally_initialized
+      \ extern_weak
+      \ fastcc
+      \ filter
+      \ from
+      \ gc
+      \ global
+      \ hhvmcc
+      \ hhvm_ccc
+      \ hidden
+      \ initialexec
+      \ inlinehint
+      \ inreg
+      \ inteldialect
+      \ intel_ocl_bicc
+      \ internal
+      \ linkonce
+      \ linkonce_odr
+      \ localdynamic
+      \ localexec
+      \ local_unnamed_addr
+      \ minsize
+      \ module
+      \ monotonic
+      \ msp430_intrcc
+      \ musttail
+      \ naked
+      \ nest
+      \ noalias
+      \ nobuiltin
+      \ nocapture
+      \ noimplicitfloat
+      \ noinline
+      \ nonlazybind
+      \ nonnull
+      \ norecurse
+      \ noredzone
+      \ noreturn
+      \ nounwind
+      \ optnone
+      \ optsize
+      \ personality
+      \ private
+      \ protected
+      \ ptx_device
+      \ ptx_kernel
+      \ readnone
+      \ readonly
+      \ release
+      \ returned
+      \ returns_twice
+      \ sanitize_address
+      \ sanitize_memory
+      \ sanitize_thread
+      \ section
+      \ seq_cst
+      \ sideeffect
+      \ signext
+      \ syncscope
+      \ source_filename
+      \ speculatable
+      \ spir_func
+      \ spir_kernel
+      \ sret
+      \ ssp
+      \ sspreq
+      \ sspstrong
+      \ strictfp
+      \ swiftcc
+      \ swiftself
+      \ tail
+      \ target
+      \ thread_local
+      \ to
+      \ triple
+      \ unnamed_addr
+      \ unordered
+      \ uselistorder
+      \ uselistorder_bb
+      \ uwtable
+      \ volatile
+      \ weak
+      \ weak_odr
+      \ within
+      \ writeonly
+      \ x86_64_sysvcc
+      \ win64cc
+      \ x86_fastcallcc
+      \ x86_stdcallcc
+      \ x86_thiscallcc
+      \ zeroext
+
+" Obsolete keywords.
+syn keyword llvmError  getresult begin end
+
+" Misc syntax.
+syn match   llvmNoName /[%@!]\d\+\>/
+syn match   llvmNumber /-\?\<\d\+\>/
+syn match   llvmFloat  /-\?\<\d\+\.\d*\(e[+-]\d\+\)\?\>/
+syn match   llvmFloat  /\<0x\x\+\>/
+syn keyword llvmBoolean true false
+syn keyword llvmConstant zeroinitializer undef null none
+syn match   llvmComment /;.*$/
+syn region  llvmString start=/"/ skip=/\\"/ end=/"/
+syn match   llvmLabel /[-a-zA-Z$._][-a-zA-Z$._0-9]*:/
+syn match   llvmIdentifier /[%@][-a-zA-Z$._][-a-zA-Z$._0-9]*/
+
+" Named metadata and specialized metadata keywords.
+syn match   llvmIdentifier /![-a-zA-Z$._][-a-zA-Z$._0-9]*\ze\s*$/
+syn match   llvmIdentifier /![-a-zA-Z$._][-a-zA-Z$._0-9]*\ze\s*[=!]/
+syn match   llvmType /!\zs\a\+\ze\s*(/
+syn match   llvmConstant /\<DW_TAG_[a-z_]\+\>/
+syn match   llvmConstant /\<DW_ATE_[a-zA-Z_]\+\>/
+syn match   llvmConstant /\<DW_OP_[a-zA-Z0-9_]\+\>/
+syn match   llvmConstant /\<DW_LANG_[a-zA-Z0-9_]\+\>/
+syn match   llvmConstant /\<DW_VIRTUALITY_[a-z_]\+\>/
+syn match   llvmConstant /\<DIFlag[A-Za-z]\+\>/
+
+" Syntax-highlight lit test commands and bug numbers.
+syn match  llvmSpecialComment /;\s*PR\d*\s*$/
+syn match  llvmSpecialComment /;\s*REQUIRES:.*$/
+syn match  llvmSpecialComment /;\s*RUN:.*$/
+syn match  llvmSpecialComment /;\s*CHECK:.*$/
+syn match  llvmSpecialComment "\v;\s*CHECK-(NEXT|NOT|DAG|SAME|LABEL):.*$"
+syn match  llvmSpecialComment /;\s*XFAIL:.*$/
+
+if version >= 508 || !exists("did_c_syn_inits")
+  if version < 508
+    let did_c_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink llvmType Type
+  HiLink llvmStatement Statement
+  HiLink llvmNumber Number
+  HiLink llvmComment Comment
+  HiLink llvmString String
+  HiLink llvmLabel Label
+  HiLink llvmKeyword Keyword
+  HiLink llvmBoolean Boolean
+  HiLink llvmFloat Float
+  HiLink llvmNoName Identifier
+  HiLink llvmConstant Constant
+  HiLink llvmSpecialComment SpecialComment
+  HiLink llvmError Error
+  HiLink llvmIdentifier Identifier
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "llvm"
diff --git a/syntax/tablegen.vim b/syntax/tablegen.vim
new file mode 100644
index 00000000..8dd1c59f
--- /dev/null
+++ b/syntax/tablegen.vim
@@ -0,0 +1,58 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'llvm') != -1
+  finish
+endif
+
+" Vim syntax file
+" Language:   TableGen
+" Maintainer: The LLVM team, http://llvm.org/
+" Version:    $Revision$
+
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+" May be changed if you have a really slow machine
+syntax sync minlines=100
+
+syn case match
+
+syn keyword tgKeyword   def let in code dag field include defm foreach
+syn keyword tgType      class int string list bit bits multiclass
+
+syn match   tgNumber    /\<\d\+\>/
+syn match   tgNumber    /\<\d\+\.\d*\>/
+syn match   tgNumber    /\<0b[01]\+\>/
+syn match   tgNumber    /\<0x[0-9a-fA-F]\+\>/
+syn region  tgString    start=/"/ skip=/\\"/ end=/"/    oneline
+
+syn region  tgCode      start=/\[{/ end=/}\]/
+
+syn keyword tgTodo             contained TODO FIXME
+syn match   tgComment   /\/\/.*$/         contains=tgTodo
+" Handle correctly imbricated comment
+syn region  tgComment2 matchgroup=tgComment2  start=+/\*+ end=+\*/+ contains=tgTodo,tgComment2
+
+if version >= 508 || !exists("did_c_syn_inits")
+  if version < 508
+    let did_c_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink tgKeyword Statement
+  HiLink tgType Type
+  HiLink tgNumber Number
+  HiLink tgComment Comment
+  HiLink tgComment2 Comment
+  HiLink tgString String
+  " May find a better Hilight group...
+  HiLink tgCode Special
+  HiLink tgTodo Todo
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "tablegen"