Method finishParsingForExpr

hclsyntax/parser.go:1590–1809

(open Token)

}

func (p *parser) finishParsingForExpr(open Token) (Expression, hcl.Diagnostics) {
	p.PushIncludeNewlines(false)
	defer p.PopIncludeNewlines()
	introducer := p.Read()
	if !forKeyword.TokenMatches(introducer) {
		// Should never happen if callers are behaving
		panic("finishParsingForExpr called without peeker pointing to 'for' identifier")
	}

	var makeObj bool
	var closeType TokenType
	switch open.Type {
	case TokenOBrace:
		makeObj = true
		closeType = TokenCBrace
	case TokenOBrack:
		makeObj = false // making a tuple
		closeType = TokenCBrack
	default:
		// Should never happen if callers are behaving
		panic("finishParsingForExpr called with invalid open token")
	}

	var diags hcl.Diagnostics
	var keyName, valName string

	if p.Peek().Type != TokenIdent {
		if !p.recovery {
			diags = append(diags, &hcl.Diagnostic{
				Severity: hcl.DiagError,
				Summary:  "Invalid 'for' expression",
				Detail:   "For expression requires variable name after 'for'.",
				Subject:  p.Peek().Range.Ptr(),
				Context:  hcl.RangeBetween(open.Range, p.Peek().Range).Ptr(),
			})
		}
		close := p.recover(closeType)
		return &LiteralValueExpr{
			Val:      cty.DynamicVal,
			SrcRange: hcl.RangeBetween(open.Range, close.Range),
		}, diags
	}

	valName = string(p.Read().Bytes)

	if p.Peek().Type == TokenComma {
		// What we just read was actually the key, then.
		keyName = valName
		p.Read() // eat comma

		if p.Peek().Type != TokenIdent {
			if !p.recovery {
				diags = append(diags, &hcl.Diagnostic{
					Severity: hcl.DiagError,
					Summary:  "Invalid 'for' expression",
					Detail:   "For expression requires value variable name after comma.",
					Subject:  p.Peek().Range.Ptr(),
					Context:  hcl.RangeBetween(open.Range, p.Peek().Range).Ptr(),