Method oppositeBracket

hclsyntax/parser.go:2188–2225

oppositeBracket finds the bracket that opposes the given bracketer, or NilToken if the given token isn't a bracketer. "Bracketer", for the sake of this function, is one end of a matching open/close set of tokens that establish a bracketing context.

(ty TokenType)

// "Bracketer", for the sake of this function, is one end of a matching
// open/close set of tokens that establish a bracketing context.
func (p *parser) oppositeBracket(ty TokenType) TokenType {
	switch ty {

	case TokenOBrace:
		return TokenCBrace
	case TokenOBrack:
		return TokenCBrack
	case TokenOParen:
		return TokenCParen
	case TokenOQuote:
		return TokenCQuote
	case TokenOHeredoc:
		return TokenCHeredoc

	case TokenCBrace:
		return TokenOBrace
	case TokenCBrack:
		return TokenOBrack
	case TokenCParen:
		return TokenOParen
	case TokenCQuote:
		return TokenOQuote
	case TokenCHeredoc:
		return TokenOHeredoc

	case TokenTemplateControl:
		return TokenTemplateSeqEnd
	case TokenTemplateInterp:
		return TokenTemplateSeqEnd
	case TokenTemplateSeqEnd:
		// This is ambigous, but we return Interp here because that's
		// what's assumed by the "recover" method.
		return TokenTemplateInterp

	default:
		return TokenNil
	}
}

func errPlaceholderExpr(rng hcl.Range) Expression {
	return &LiteralValueExpr{