Method parseTupleCons

hclsyntax/parser.go:1326–1404

()

}

func (p *parser) parseTupleCons() (Expression, hcl.Diagnostics) {
	open := p.Read()
	if open.Type != TokenOBrack {
		// Should never happen if callers are behaving
		panic("parseTupleCons called without peeker pointing to open bracket")
	}

	p.PushIncludeNewlines(false)
	defer p.PopIncludeNewlines()

	if forKeyword.TokenMatches(p.Peek()) {
		return p.finishParsingForExpr(open)
	}

	var close Token

	var diags hcl.Diagnostics
	var exprs []Expression

	for {
		next := p.Peek()
		if next.Type == TokenCBrack {
			close = p.Read() // eat closer
			break
		}

		expr, exprDiags := p.ParseExpression()
		exprs = append(exprs, expr)
		diags = append(diags, exprDiags...)

		if p.recovery && exprDiags.HasErrors() {
			// If expression parsing failed then we are probably in a strange
			// place in the token stream, so we'll bail out and try to reset
			// to after our closing bracket to allow parsing to continue.
			close = p.recover(TokenCBrack)
			break
		}

		next = p.Peek()
		if next.Type == TokenCBrack {
			close = p.Read() // eat closer
			break
		}

		if next.Type != TokenComma {
			if !p.recovery {
				switch next.Type {
				case TokenEOF:
					diags = append(diags, &hcl.Diagnostic{
						Severity: hcl.DiagError,
						Summary:  "Unterminated tuple constructor expression",
						Detail:   "There is no corresponding closing bracket before the end of the file. This may be caused by incorrect bracket nesting elsewhere in this file.",
						Subject:  open.Range.Ptr(),
					})
				default:
					diags = append(diags, &hcl.Diagnostic{
						Severity: hcl.DiagError,
						Summary:  "Missing item separator",