Method parseExpectedWithDiagnostic

internal/parser/parser.go:1006–1020

(kind ast.Kind, message *diagnostics.Message, shouldAdvance bool)

}

func (p *Parser) parseExpectedWithDiagnostic(kind ast.Kind, message *diagnostics.Message, shouldAdvance bool) bool {
	if p.token == kind {
		if shouldAdvance {
			p.nextToken()
		}
		return true
	}
	// Report specific message if provided with one.  Otherwise, report generic fallback message.
	if message != nil {
		p.parseErrorAtCurrentToken(message)
	} else {
		p.parseErrorAtCurrentToken(diagnostics.X_0_expected, scanner.TokenToString(kind))
	}
	return false
}

func (p *Parser) parseTokenNode() *ast.Node {
	pos := p.nodePos()