Add vendor files for go build

vendor/github.com/alecthomas/chroma/lexers/m/make.go

@@ -0,0 +1,54 @@
+package m
+
+import (
+	. "github.com/alecthomas/chroma"          // nolint
+	. "github.com/alecthomas/chroma/lexers/b" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Makefile lexer.
+var Makefile = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "Base Makefile",
+		Aliases:   []string{"make", "makefile", "mf", "bsdmake"},
+		Filenames: []string{"*.mak", "*.mk", "Makefile", "makefile", "Makefile.*", "GNUmakefile"},
+		MimeTypes: []string{"text/x-makefile"},
+		EnsureNL:  true,
+	},
+	Rules{
+		"root": {
+			{`^(?:[\t ]+.*\n|\n)+`, Using(Bash), nil},
+			{`\$[<@$+%?|*]`, Keyword, nil},
+			{`\s+`, Text, nil},
+			{`#.*?\n`, Comment, nil},
+			{`(export)(\s+)(?=[\w${}\t -]+\n)`, ByGroups(Keyword, Text), Push("export")},
+			{`export\s+`, Keyword, nil},
+			{`([\w${}().-]+)(\s*)([!?:+]?=)([ \t]*)((?:.*\\\n)+|.*\n)`, ByGroups(NameVariable, Text, Operator, Text, Using(Bash)), nil},
+			{`(?s)"(\\\\|\\.|[^"\\])*"`, LiteralStringDouble, nil},
+			{`(?s)'(\\\\|\\.|[^'\\])*'`, LiteralStringSingle, nil},
+			{`([^\n:]+)(:+)([ \t]*)`, ByGroups(NameFunction, Operator, Text), Push("block-header")},
+			{`\$\(`, Keyword, Push("expansion")},
+		},
+		"expansion": {
+			{`[^$a-zA-Z_()]+`, Text, nil},
+			{`[a-zA-Z_]+`, NameVariable, nil},
+			{`\$`, Keyword, nil},
+			{`\(`, Keyword, Push()},
+			{`\)`, Keyword, Pop(1)},
+		},
+		"export": {
+			{`[\w${}-]+`, NameVariable, nil},
+			{`\n`, Text, Pop(1)},
+			{`\s+`, Text, nil},
+		},
+		"block-header": {
+			{`[,|]`, Punctuation, nil},
+			{`#.*?\n`, Comment, Pop(1)},
+			{`\\\n`, Text, nil},
+			{`\$\(`, Keyword, Push("expansion")},
+			{`[a-zA-Z_]+`, Name, nil},
+			{`\n`, Text, Pop(1)},
+			{`.`, Text, nil},
+		},
+	},
+))