69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
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package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Terraform lexer.
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var Terraform = Register(MustNewLexer(
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&Config{
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Name: "Terraform",
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Aliases: []string{"terraform", "tf"},
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Filenames: []string{"*.tf"},
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MimeTypes: []string{"application/x-tf", "application/x-terraform"},
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},
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Rules{
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"root": {
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Include("string"),
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Include("punctuation"),
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Include("curly"),
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Include("basic"),
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Include("whitespace"),
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{`[0-9]+`, LiteralNumber, nil},
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},
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"basic": {
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{Words(`\b`, `\b`, `true`, `false`), KeywordType, nil},
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{`\s*/\*`, CommentMultiline, Push("comment")},
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{`\s*#.*\n`, CommentSingle, nil},
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{`(.*?)(\s*)(=)`, ByGroups(NameAttribute, Text, Operator), nil},
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{Words(`\b`, `\b`, `variable`, `resource`, `provider`, `provisioner`, `module`), KeywordReserved, Push("function")},
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{Words(`\b`, `\b`, `ingress`, `egress`, `listener`, `default`, `connection`, `alias`), KeywordDeclaration, nil},
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{`\$\{`, LiteralStringInterpol, Push("var_builtin")},
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},
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"function": {
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{`(\s+)(".*")(\s+)`, ByGroups(Text, LiteralString, Text), nil},
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Include("punctuation"),
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Include("curly"),
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},
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"var_builtin": {
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{`\$\{`, LiteralStringInterpol, Push()},
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{Words(`\b`, `\b`, `concat`, `file`, `join`, `lookup`, `element`), NameBuiltin, nil},
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Include("string"),
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Include("punctuation"),
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{`\s+`, Text, nil},
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{`\}`, LiteralStringInterpol, Pop(1)},
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},
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"string": {
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{`(".*")`, ByGroups(LiteralStringDouble), nil},
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},
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"punctuation": {
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{`[\[\](),.]`, Punctuation, nil},
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},
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"curly": {
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{`\{`, TextPunctuation, nil},
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{`\}`, TextPunctuation, nil},
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},
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"comment": {
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{`[^*/]`, CommentMultiline, nil},
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{`/\*`, CommentMultiline, Push()},
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{`\*/`, CommentMultiline, Pop(1)},
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{`[*/]`, CommentMultiline, nil},
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},
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"whitespace": {
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{`\n`, Text, nil},
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{`\s+`, Text, nil},
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{`\\\n`, Text, nil},
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},
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},
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))
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