function PrettyPrinterAbstract::initializeRemovalMap

Lazily initializes the removal map.

The removal map is used to determine which additional tokens should be removed when a certain node is replaced by null.

1 call to PrettyPrinterAbstract::initializeRemovalMap()

PrettyPrinterAbstract::printFormatPreserving in vendor/nikic/php-parser/lib/PhpParser/PrettyPrinterAbstract.php

Perform a format-preserving pretty print of an AST.

File

vendor/nikic/php-parser/lib/PhpParser/PrettyPrinterAbstract.php, line 1406

Class

PrettyPrinterAbstract

Namespace

PhpParser

Code

protected function initializeRemovalMap() : void {
    if (isset($this->removalMap)) {
        return;
    }
    $stripBoth = [
        'left' => \T_WHITESPACE,
        'right' => \T_WHITESPACE,
    ];
    $stripLeft = [
        'left' => \T_WHITESPACE,
    ];
    $stripRight = [
        'right' => \T_WHITESPACE,
    ];
    $stripDoubleArrow = [
        'right' => \T_DOUBLE_ARROW,
    ];
    $stripColon = [
        'left' => ':',
    ];
    $stripEquals = [
        'left' => '=',
    ];
    $this->removalMap = [
        'Expr_ArrayDimFetch->dim' => $stripBoth,
        'ArrayItem->key' => $stripDoubleArrow,
        'Expr_ArrowFunction->returnType' => $stripColon,
        'Expr_Closure->returnType' => $stripColon,
        'Expr_Exit->expr' => $stripBoth,
        'Expr_Ternary->if' => $stripBoth,
        'Expr_Yield->key' => $stripDoubleArrow,
        'Expr_Yield->value' => $stripBoth,
        'Param->type' => $stripRight,
        'Param->default' => $stripEquals,
        'Stmt_Break->num' => $stripBoth,
        'Stmt_Catch->var' => $stripLeft,
        'Stmt_ClassConst->type' => $stripRight,
        'Stmt_ClassMethod->returnType' => $stripColon,
        'Stmt_Class->extends' => [
            'left' => \T_EXTENDS,
        ],
        'Stmt_Enum->scalarType' => $stripColon,
        'Stmt_EnumCase->expr' => $stripEquals,
        'Expr_PrintableNewAnonClass->extends' => [
            'left' => \T_EXTENDS,
        ],
        'Stmt_Continue->num' => $stripBoth,
        'Stmt_Foreach->keyVar' => $stripDoubleArrow,
        'Stmt_Function->returnType' => $stripColon,
        'Stmt_If->else' => $stripLeft,
        'Stmt_Namespace->name' => $stripLeft,
        'Stmt_Property->type' => $stripRight,
        'PropertyItem->default' => $stripEquals,
        'Stmt_Return->expr' => $stripBoth,
        'Stmt_StaticVar->default' => $stripEquals,
        'Stmt_TraitUseAdaptation_Alias->newName' => $stripLeft,
        'Stmt_TryCatch->finally' => $stripLeft,
    ];
}