Function parseKeyword

json/parser.go:455–498

(p *peeker)

}

func parseKeyword(p *peeker) (node, hcl.Diagnostics) {
	tok := p.Read()
	s := string(tok.Bytes)

	switch s {
	case "true":
		return &booleanVal{
			Value:    true,
			SrcRange: tok.Range,
		}, nil
	case "false":
		return &booleanVal{
			Value:    false,
			SrcRange: tok.Range,
		}, nil
	case "null":
		return &nullVal{
			SrcRange: tok.Range,
		}, nil
	case "undefined", "NaN", "Infinity":
		return nil, hcl.Diagnostics{
			{
				Severity: hcl.DiagError,
				Summary:  "Invalid JSON keyword",
				Detail:   fmt.Sprintf("The JavaScript identifier %q cannot be used in JSON.", s),
				Subject:  &tok.Range,
			},
		}
	default:
		var dym string
		if suggest := keywordSuggestion(s); suggest != "" {
			dym = fmt.Sprintf(" Did you mean %q?", suggest)
		}

		return nil, hcl.Diagnostics{
			{
				Severity: hcl.DiagError,
				Summary:  "Invalid JSON keyword",
				Detail:   fmt.Sprintf("%q is not a valid JSON keyword.%s", s, dym),
				Subject:  &tok.Range,
			},
		}
	}
}