cheat/vendor/github.com/alecthomas/chroma/lexers/h/hcl.go
2019-10-27 12:04:31 -04:00

70 lines
1.7 KiB
Go

package h
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// HCL lexer.
var HCL = internal.Register(MustNewLexer(
&Config{
Name: "HCL",
Aliases: []string{"hcl"},
Filenames: []string{"*.hcl"},
MimeTypes: []string{"application/x-hcl"},
},
Rules{
"root": {
Include("string"),
Include("punctuation"),
Include("curly"),
Include("basic"),
Include("whitespace"),
{`[0-9]+`, LiteralNumber, nil},
},
"basic": {
{Words(`\b`, `\b`, `true`, `false`), KeywordType, nil},
{`\s*/\*`, CommentMultiline, Push("comment")},
{`\s*#.*\n`, CommentSingle, nil},
{`(.*?)(\s*)(=)`, ByGroups(Name, Text, Operator), nil},
{`\d+`, Number, nil},
{`\b\w+\b`, Keyword, nil},
{`\$\{`, LiteralStringInterpol, Push("var_builtin")},
},
"function": {
{`(\s+)(".*")(\s+)`, ByGroups(Text, LiteralString, Text), nil},
Include("punctuation"),
Include("curly"),
},
"var_builtin": {
{`\$\{`, LiteralStringInterpol, Push()},
{Words(`\b`, `\b`, `concat`, `file`, `join`, `lookup`, `element`), NameBuiltin, nil},
Include("string"),
Include("punctuation"),
{`\s+`, Text, nil},
{`\}`, LiteralStringInterpol, Pop(1)},
},
"string": {
{`(".*")`, ByGroups(LiteralStringDouble), nil},
},
"punctuation": {
{`[\[\](),.]`, Punctuation, nil},
},
"curly": {
{`\{`, TextPunctuation, nil},
{`\}`, TextPunctuation, nil},
},
"comment": {
{`[^*/]`, CommentMultiline, nil},
{`/\*`, CommentMultiline, Push()},
{`\*/`, CommentMultiline, Pop(1)},
{`[*/]`, CommentMultiline, nil},
},
"whitespace": {
{`\n`, Text, nil},
{`\s+`, Text, nil},
{`\\\n`, Text, nil},
},
},
))