Method VisitIndex

parser/parser.go:611–627

Visit a parse tree produced by CELParser#Index.

(ctx *gen.IndexContext)

// Visit a parse tree produced by CELParser#Index.
func (p *parser) VisitIndex(ctx *gen.IndexContext) any {
	target := p.Visit(ctx.Member()).(ast.Expr)
	// Handle the error case where no valid identifier is specified.
	if ctx.GetOp() == nil {
		return p.helper.newExpr(ctx)
	}
	opID := p.helper.id(ctx.GetOp())
	index := p.Visit(ctx.GetIndex()).(ast.Expr)
	operator := operators.Index
	if ctx.GetOpt() != nil {
		if !p.enableOptionalSyntax {
			return p.reportError(ctx.GetOp(), "unsupported syntax '[?'")
		}
		operator = operators.OptIndex
	}
	return p.globalCallOrMacro(opID, operator, target, index)
}

// Visit a parse tree produced by CELParser#CreateMessage.
func (p *parser) VisitCreateMessage(ctx *gen.CreateMessageContext) any {