ExprError.php

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<?php
namespace MediaWiki\Extensions\ParserFunctions;
 
use Exception;
use Message;
 
class ExprError extends Exception {
    private $mwMessage;
 
    public function __construct( $msg, $parameter = '' ) {
        // Give grep a chance to find the usages:
        // pfunc_expr_stack_exhausted, pfunc_expr_unexpected_number, pfunc_expr_preg_match_failure,
        // pfunc_expr_unrecognised_word, pfunc_expr_unexpected_operator, pfunc_expr_missing_operand,
        // pfunc_expr_unexpected_closing_bracket, pfunc_expr_unrecognised_punctuation,
        // pfunc_expr_unclosed_bracket, pfunc_expr_division_by_zero, pfunc_expr_invalid_argument,
        // pfunc_expr_invalid_argument_ln, pfunc_expr_unknown_error, pfunc_expr_not_a_number
        $this->mwMessage = wfMessage( "pfunc_expr_$msg", $parameter );
    }
 
    public function getUserFriendlyMessage() {
        return $this->mwMessage->inContentLanguage()->text();
    }
}