Add CMake.

lexers/bash.go

@@ -9,7 +9,7 @@ var Bash = Register(MustNewLexer(
 	&Config{
 		Name:      "Bash",
 		Aliases:   []string{"bash", "sh", "ksh", "zsh", "shell"},
-		Filenames: []string{"*.sh", "*.ksh", "*.bash", "*.ebuild", "*.eclass", "*.exheres-0", "*.exlib", "*.zsh", ".bashrc", "bashrc", ".bash_*", "bash_*", "zshrc", ".zshrc", "PKGBUILD"},
+		Filenames: []string{"*.sh", "*.ksh", "*.bash", "*.ebuild", "*.eclass", "*.exheres-0", "*.exlib", "*.zsh", "*.zshrc", ".bashrc", "bashrc", ".bash_*", "bash_*", "zshrc", ".zshrc", "PKGBUILD"},
 		MimeTypes: []string{"application/x-sh", "application/x-shellscript"},
 	},
 	Rules{

lexers/cmake.go

@@ -0,0 +1,43 @@
+package lexers
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+)
+
+// Cmake lexer.
+var Cmake = Register(MustNewLexer(
+	&Config{
+		Name:      "CMake",
+		Aliases:   []string{"cmake"},
+		Filenames: []string{"*.cmake", "CMakeLists.txt"},
+		MimeTypes: []string{"text/x-cmake"},
+	},
+	Rules{
+		"root": {
+			{`\b(\w+)([ \t]*)(\()`, ByGroups(NameBuiltin, Text, Punctuation), Push("args")},
+			Include("keywords"),
+			Include("ws"),
+		},
+		"args": {
+			{`\(`, Punctuation, Push()},
+			{`\)`, Punctuation, Pop(1)},
+			{`(\$\{)(.+?)(\})`, ByGroups(Operator, NameVariable, Operator), nil},
+			{`(\$ENV\{)(.+?)(\})`, ByGroups(Operator, NameVariable, Operator), nil},
+			{`(\$<)(.+?)(>)`, ByGroups(Operator, NameVariable, Operator), nil},
+			{`(?s)".*?"`, LiteralStringDouble, nil},
+			{`\\\S+`, LiteralString, nil},
+			{`[^)$"# \t\n]+`, LiteralString, nil},
+			{`\n`, Text, nil},
+			Include("keywords"),
+			Include("ws"),
+		},
+		"string": {},
+		"keywords": {
+			{`\b(WIN32|UNIX|APPLE|CYGWIN|BORLAND|MINGW|MSVC|MSVC_IDE|MSVC60|MSVC70|MSVC71|MSVC80|MSVC90)\b`, Keyword, nil},
+		},
+		"ws": {
+			{`[ \t]+`, Text, nil},
+			{`#.*\n`, Comment, nil},
+		},
+	},
+))

styles/swapoff.go

@@ -18,5 +18,6 @@ var SwapOff = Register(chroma.NewStyle("swapoff", map[chroma.TokenType]string{
 	chroma.GenericUnderline:  "underline",
 	chroma.NameTag:           "bold",
 	chroma.NameAttribute:     "#ansiteal",
+	chroma.NameVariable:      "bold",
 	chroma.Error:             "#ansired",
 }))