Merge pull request elixir-editors#406 from seddy/defguard_syntax

Add defguard(p) syntax highlighting

Author: jbodah

spec/syntax/guard_spec.rb

@@ -2,6 +2,20 @@
 
 require 'spec_helper'
 
+describe 'defguard syntax' do
+ it 'defines `defguard` keyword as elixirGuard' do
+ expect(<<~EOF).to include_elixir_syntax('elixirGuard', 'defguard')
+ defguard some_guard(x) when is_integer(x)
+ EOF
+ end
+
+ it 'defines `defguardp` keyword as elixirPrivateGuard' do
+ expect(<<~EOF).to include_elixir_syntax('elixirPrivateGuard', 'defguardp')
+ defguardp some_private_guard(x) when is_integer(x)
+ EOF
+ end
+end
+
 describe 'Guard syntax' do
  it 'guard in function' do
  expect(<<~EOF).to include_elixir_syntax('elixirKernelFunction', 'is_atom')

syntax/elixir.vim

@@ -141,6 +141,8 @@ syn region elixirDocString matchgroup=elixirSigilDelimiter start=+\%(@\w*doc\s\
 " Defines
 syn match elixirDefine '\<def\>\(:\)\@!' nextgroup=elixirFunctionDeclaration skipwhite skipnl
 syn match elixirPrivateDefine '\<defp\>\(:\)\@!' nextgroup=elixirFunctionDeclaration skipwhite skipnl
+syn match elixirGuard '\<defguard\>\(:\)\@!' nextgroup=elixirFunctionDeclaration skipwhite skipnl
+syn match elixirPrivateGuard '\<defguardp\>\(:\)\@!' nextgroup=elixirFunctionDeclaration skipwhite skipnl
 syn match elixirModuleDefine '\<defmodule\>\(:\)\@!' nextgroup=elixirModuleDeclaration skipwhite skipnl
 syn match elixirProtocolDefine '\<defprotocol\>\(:\)\@!' nextgroup=elixirProtocolDeclaration skipwhite skipnl
 syn match elixirImplDefine '\<defimpl\>\(:\)\@!' nextgroup=elixirImplDeclaration skipwhite skipnl
@@ -175,6 +177,8 @@ syn match elixirExUnitAssert "\(^\s*\)\@<=\<\(catch_exit\|catch_throw\|flunk\|r
 hi def link elixirBlockDefinition Keyword
 hi def link elixirDefine Define
 hi def link elixirPrivateDefine Define
+hi def link elixirGuard Define
+hi def link elixirPrivateGuard Define
 hi def link elixirModuleDefine Define
 hi def link elixirProtocolDefine Define
 hi def link elixirImplDefine Define