TypePHP 编译器
https://swoole.com/aot/
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594 lines
26 KiB
594 lines
26 KiB
<?php
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/**
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* This file is part of Swoole-Compiler(AOT).
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*
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* @link https://www.swoole.com/
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* @contact service@swoole.com
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*/
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namespace PhpAot\Php\Parser;
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use PhpAot\Php\Symbol;
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use PhpParser\Node;
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use PhpParser\Node\ArrayItem;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\NodeAbstract;
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trait AssignOpTrait
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{
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protected function parseAssignArrayDim(NodeAbstract $left, NodeAbstract $right): string
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{
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if ($this->isPropertyFetch($left)) {
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return $this->parseAssignPropertyArrayDim($left, $right);
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}
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$oriInAssignExpr = $this->context->inAssignExpr;
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$this->context->inAssignExpr = true;
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$array = $this->parseIdentifier($left->var);
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$this->context->inAssignExpr = $oriInAssignExpr;
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$code = '';
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if (!$this->hasVar($array) and $this->isVarExpr($left->var)) {
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$this->addLocalVar($array, self::TYPE_ARRAY);
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}
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$value = $this->trimBrackets($this->parseExpr($right));
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$tmp = $this->genTmpVarName();
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$this->addLocalVar($tmp, self::TYPE_VAR);
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if ($left->dim === null) {
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return $code . '((' . $tmp . ' = ' . $value . ', ' . "{$array}.offsetSet(" . self::VALUE_NULL . ", {$tmp})" . '), ' . $tmp . ')';
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}
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$dim = $this->trimBrackets($this->parseIdentifier($left->dim));
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return $code . '((' . $tmp . ' = ' . $value . ', ' . "{$array}.offsetSet({$dim}, {$tmp})" . '), ' . $tmp . ')';
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}
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protected function parseAssignPropertyFetch(NodeAbstract $left, NodeAbstract $right): string
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{
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$array = $this->parseIdentifier($left->var);
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$propName = $this->identifierToStr($left->name, literal: true);
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$rightExpr = $this->trimBrackets($this->parseExpr($right));
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$tmp = $this->genTmpVarName();
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$this->addLocalVar($tmp, self::TYPE_VAR);
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// Comma expression: store RHS → execute side effect → evaluate to stored value
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return '((' . $tmp . ' = ' . $rightExpr . ', ' . "{$array}.setProperty({$propName}, {$tmp})" . '), ' . $tmp . ')';
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}
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protected function parseRightAssociativeAssign(NodeAbstract $left, Expr\Assign $right): string
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{
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$chain[] = $left;
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$next = $right;
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while ($this->isAssignExpr($next)) {
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$var = $next->var;
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$chain[] = $var;
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$next = $next->expr;
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}
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$tmpVar = $this->genTmpVarName();
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$this->addLocalVar($tmpVar, self::TYPE_VAR);
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// 翻转赋值链
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$chain = array_reverse($chain);
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$list = [];
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$list[] = $this->getIndent() . $tmpVar . ' = ' . $this->parseExpr($next);
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$rightVar = new Variable($tmpVar);
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foreach ($chain as $var) {
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$list[] = $this->getIndent() . $this->parseAssignFinally($var, $rightVar);
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}
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return implode(";\n" . $this->getIndent(), $list);
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}
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protected function parseAssignStaticProperty($left, $right): string
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{
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$value = $this->trimBrackets($this->parseExpr($right));
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$native = $this->parseNativeStaticPropertyFetch($left);
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if ($native) {
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return $native . ' = ' . $value;
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}
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$class = $this->identifierToStr($left->class);
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$propName = $this->identifierToStr($left->name);
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return Symbol::setStaticProperty() . "({$class}, {$propName}, {$value})";
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}
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protected function parseAssign(Expr\Assign $v): string
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{
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$left = $v->var;
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$right = $v->expr;
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if ($this->isAssignExpr($right)) {
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return $this->parseRightAssociativeAssign($left, $right);
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}
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return $this->parseAssignFinally($left, $right);
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}
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protected function parseAssignToList(Expr $left, Expr $right): string
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{
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$items = $left->items;
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$code = '{';
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$this->indentLevel++;
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$tmpVar = $this->genTmpVarName();
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$this->addLocalVar($tmpVar, self::TYPE_VAR);
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$code .= $this->getIndent() . $tmpVar . ' = ' . $this->parseExpr($right) . '; ';
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foreach ($items as $k => $item) {
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if (!$item) {
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continue;
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}
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if ($item instanceof ArrayItem) {
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if ($item->value instanceof Expr\List_) {
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$nestedTmp = $this->genTmpVarName();
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$this->addLocalVar($nestedTmp, self::TYPE_ARRAY);
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$code .= "{$nestedTmp} = {$tmpVar}.item({$k}); ";
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$code .= $this->parseAssignToList($item->value, new Variable($nestedTmp));
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} else {
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$oriInAssignExpr = $this->context->inAssignExpr;
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$this->context->inAssignExpr = true;
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$var = $this->parseIdentifier($item->value);
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$this->context->inAssignExpr = $oriInAssignExpr;
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if ($this->isVarExpr($item->value) and !$this->hasVar($var)) {
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$this->addLocalVar($var, self::TYPE_VAR);
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}
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$code .= "{$var} = {$tmpVar}.item({$k}); ";
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}
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} else {
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abort($item);
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}
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}
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$this->indentLevel--;
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return $code . '}';
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}
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protected function parseAssignFinally(Expr $left, Expr $right): string
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{
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if ($left instanceof Expr\List_) {
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return $this->parseAssignToList($left, $right);
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}
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$oriInAssignExpr = $this->context->inAssignExpr;
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$this->context->inAssignExpr = true;
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$var = $this->parseIdentifier($left);
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$this->context->inAssignExpr = $oriInAssignExpr;
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if ($var === 'this_') {
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$this->fatalError($left, 'Cannot re-assign $this');
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}
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$finalVarType = $type = $this->detectTypeOfExpr($right);
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if ($this->isVarExpr($left)) {
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if ($this->isStdContainer($var)) {
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$copyAssign = $this->parseStdContainerCopyAssign($var, $right);
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if ($copyAssign !== null) {
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return $copyAssign;
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}
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}
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// 类型推断，获取对象的类名，如果不是对象则返回空字符串
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$rightClass = $this->detectClassOfExpr($right);
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// 右值是一个对象，已获得类的名称，左值必须与右值的类一致
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if ($rightClass) {
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if (!$this->hasVar($var)) {
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$this->addLocalVar($var, self::TYPE_OBJECT);
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$this->addObject($var, $rightClass);
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} elseif ($this->isTypedObject($var)) {
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$leftClass = $this->getObjectType($var);
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// 对象的类不一致，不能互相赋值，必须使用 toObject() 对齐类型
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// 注意这里必须使用绝对相等比较，即使存在继承关系，类的方法也可能不一致
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if ($leftClass !== $rightClass) {
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$this->fatalError($left, "Cannot re-assign typed object `\${$var}` from `{$leftClass}` to `{$rightClass}`");
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}
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} else {
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$this->checkVarAssignExpr($left, $this->getVarType($var), self::TYPE_OBJECT);
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}
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} else {
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if ($this->isMethodCall($right) and $this->isNamedMethod($right->name)) {
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$methodName = $right->name->toString();
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if (in_array($methodName, ['toStdArray', 'toStdVector', 'toStdMap', 'toStdUnorderedMap'], true)) {
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if ($this->hasVar($var)) {
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$this->fatalError($left, "Cannot re-assign `\${$var}` to {$methodName}()");
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}
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if ($this->context->scopeLevel > 1) {
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$this->fatalError($left, "Must use {$methodName}() in the top-level scope of the function");
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}
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return $this->parseToStdAssign($var, $right);
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}
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}
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if ($this->isFuncCallExpr($right) and $this->isNameExpr($right->name)) {
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$fn = $this->parseIdentifier($right->name);
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if (count($right->args) === 1 and $fn === 'any') {
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$type = self::TYPE_VAR;
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if (!$this->hasVar($var)) {
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$this->addLocalVar($var, $type);
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$finalVarType = $type;
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}
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return $var . ' = ' . $this->parseIdentifier($right->args[0]->value);
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} else {
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$type = $type === self::TYPE_VOID ? self::TYPE_VAR : $type;
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}
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} elseif ($this->isStaticCall($right) and $this->isNameExpr($right->class) and $this->isIdExpr($right->name)) {
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$class = $this->parseIdentifier($right->class);
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if ($class === 'std') {
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if (in_array($right->name->toString(), ['array', 'vector', 'map', 'unordered_map'], true)) {
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if ($this->hasVar($var)) {
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$this->fatalError($left, "Cannot re-assign `\${$var}` to std::{$right->name->toString()}");
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}
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if ($this->context->scopeLevel > 1) {
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$this->fatalError($left, "Must create std::{$right->name->toString()} in the top-level scope of the function");
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}
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if ($right->name->toString() === 'array') {
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$this->addLocalVar($var, self::TYPE_STD_ARRAY);
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return $this->parseStdArray($var, $right);
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}
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if ($right->name->toString() === 'vector') {
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$this->addLocalVar($var, self::TYPE_STD_VECTOR);
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return $this->parseStdVector($var, $right);
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}
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if ($right->name->toString() === 'map') {
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$this->addLocalVar($var, self::TYPE_STD_MAP);
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return $this->parseStdMap($var, $right);
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}
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$this->addLocalVar($var, self::TYPE_STD_UNORDERED_MAP);
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return $this->parseStdUnorderedMap($var, $right);
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} else {
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$valueExpr = $this->parseStdCall($right);
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if (!$this->hasVar($var)) {
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$finalVarType = $right->getAttribute('nativeType');
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$this->addLocalVar($var, $finalVarType);
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}
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return $var . ' = ' . $valueExpr;
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}
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}
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} elseif ($this->isVarExpr($right)) {
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$rightVar = $this->parseIdentifier($right);
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$type = $this->isStdContainer($rightVar) ? self::TYPE_ARRAY : $this->getVarType($rightVar);
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if ($this->isTypedObject($rightVar) and $this->isTypedObject($var)) {
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$leftClass = $this->getObjectType($var);
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$rightClass = $this->getObjectType($rightVar);
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$this->fatalError($left, "Cannot re-assign typed object `\${$var}` from `{$leftClass}` to `{$rightClass}`");
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}
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}
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// 变量第一次被赋值，确定其类型，由于 PHP 的变量作用域是 function 级的，在 for/while 块中声明的变量，可以在块外使用
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if (!$this->hasVar($var)) {
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$finalVarType = $this->isNativeType($type) ? $this->getNativeType($type) : $type;
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$this->addLocalVar($var, $finalVarType);
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} else {
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$finalVarType = $this->getVarType($var);
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$this->checkVarAssignExpr($left, $finalVarType, $type);
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}
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}
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} elseif ($this->isPropertyFetch($left) and !$left->getAttribute('nativeProperty')) {
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return $this->parseAssignPropertyFetch($left, $right);
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} elseif ($this->isArrayDimFetch($left) and $this->isVarExpr($left->var)) {
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$tmp = $this->parseIdentifier($left->var);
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if ($this->getVarType($tmp) === self::TYPE_STR and $left->dim === null) {
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$this->fatalError($left, 'Cannot use [] for strings');
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}
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if ($this->isStdContainerExpr($left)) {
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return $this->parseStdContainerAssign($left, $right);
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}
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return $this->parseAssignArrayDim($left, $right);
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}
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if ($this->isPropertyFetch($left)) {
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$this->assertCanAssignObjectProp($left, $right);
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} elseif ($this->isStaticPropertyFetch($left)) {
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$this->assertCanAssignStaticProp($left, $right);
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}
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$rightExpr = $this->parseAssignRightExpr($right);
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$leftExprType = $this->detectTypeOfExpr($left);
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$rightExprType = $this->detectTypeOfExpr($right);
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if ($finalVarType === self::TYPE_VAR) {
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return $var . ' = ' . $rightExpr;
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} else {
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return $var . ' = ' . $this->convertExprType($rightExpr, $leftExprType, $rightExprType);
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}
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}
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protected function parseStdContainerCopyAssign(string $leftVar, Expr $right): ?string
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{
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$rightInfo = $this->getStdContainerExprInfo($right);
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if ($rightInfo === null) {
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return null;
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}
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$leftInfo = $this->getStdContainerVarInfo($leftVar);
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if (!$this->isSameStdContainerInfo($leftInfo, $rightInfo)) {
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$this->fatalError($right, 'Cannot copy std container with different type');
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}
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return $leftVar . '_ref = ' . $this->parseStdContainerCopyExpr($right);
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}
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protected function parseAssignRightExpr(Expr $right): string
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{
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$rightExpr = $this->parseExpr($right);
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if ($this->isVarExpr($right)) {
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$rightVar = $this->parseIdentifier($right);
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if ($this->isStdContainer($rightVar)) {
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return $this->convertArrayExpr($rightExpr);
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}
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}
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return $rightExpr;
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}
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protected function removeAssignOp(string $op): string
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{
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return str_replace('=', '', $op);
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}
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protected function parseAssignOp(Expr\AssignOp $node, string $op): string
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{
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$oriInAssignExpr = $this->context->inAssignExpr;
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$this->context->inAssignExpr = true;
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$var = $this->parseIdentifier($node->var);
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$this->context->inAssignExpr = $oriInAssignExpr;
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$expr = $this->parseIdentifier($node->expr);
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if ($this->isVarExpr($node->var)) {
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if (!$this->hasVar($var)) {
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$this->fatalError($node->var, 'Cannot assign to undefined variable');
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}
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$type = $this->detectVarType($node->var);
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$rightType = $this->detectTypeOfExpr($node->expr);
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// Big* types: expand compound assignment to static method call.
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// BigInt/BigDecimal/BigFloat are immutable Box types stored inside
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// php::Var — Variant::operator+= calls ZendVM add_function which
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// cannot handle them. We must generate `$v = Type::add($v, $x)`.
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if ($type === self::TYPE_BIGINT || $type === self::TYPE_DECIMAL || $type === self::TYPE_BIGFLOAT) {
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return $this->parseBigAssignOp($node, $var, $type, $expr, $rightType, $op);
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}
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$rightExprStr = $this->convertExprType($expr, $type, $rightType);
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if ($this->isAssignOpConcat($op)) {
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if ($this->isArrayVar($node->var)) {
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$this->fatalError($node->var, 'Cannot concat string to array');
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}
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return $var . '.append(' . $rightExprStr . ')';
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}
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if ($this->isAssignOpPow($op)) {
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$powExpr = 'php::fn::pow(' . $var . ', ' . $rightExprStr . ')';
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return $var . ' = ' . $this->convertVarType($var, $powExpr);
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}
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return $var . ' ' . $op . ' ' . $rightExprStr;
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}
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if ($this->isArrayDimFetch($node->var)) {
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if ($this->isStdContainerExpr($node->var)) {
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return $this->parseStdContainerAssignOp($node, $op);
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}
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/**
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* $count[$r] -= 1;
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* 需要转为下面语句：
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* $tmp_var = $count[$r] - 1;
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* $count[$r] = $tmp_var;.
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*/
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$type = $this->detectVarType($node->var);
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$rightType = $this->detectTypeOfExpr($node->expr);
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$tmpVar = $this->genTmpVarName();
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$this->addLocalVar($tmpVar, $rightType);
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$dim = $this->parseIdentifier($node->var->dim);
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$binaryOp = $this->removeAssignOp($op);
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if ($binaryOp === '.') {
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$this->context->beforeStmtLines[] = "{$tmpVar} = php::concat(" .
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$this->convertVarType($tmpVar, $var) . ', ' .
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$this->convertExprType($expr, $type, $rightType) . ');';
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} elseif ($type === self::TYPE_BIGINT || $type === self::TYPE_DECIMAL || $type === self::TYPE_BIGFLOAT) {
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$bigAssign = $this->parseBigAssignOpExpr($var, $type, $expr, $rightType, $binaryOp, $node->var, $node->expr);
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$this->context->beforeStmtLines[] = "{$tmpVar} = {$bigAssign};";
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} else {
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$this->context->beforeStmtLines[] = "{$tmpVar} = " .
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$this->convertVarType($tmpVar, $var) . ' ' .
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$binaryOp . ' ' .
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$this->convertExprType($expr, $type, $rightType) . ';';
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}
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return $this->parseArrayDimStore($node->var->var, $dim, $tmpVar);
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}
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if ($this->isPropertyFetch($node->var) and !$node->var->getAttribute('nativeProperty')) {
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$obj = $this->parseIdentifier($node->var->var);
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$propName = $this->identifierToStr($node->var->name, literal: true);
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$binaryOp = $this->removeAssignOp($op);
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$tmpVar = $this->genTmpVarName();
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$this->addLocalVar($tmpVar, self::TYPE_VAR);
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if ($this->isAssignOpConcat($op)) {
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$this->context->beforeStmtLines[] = "{$tmpVar} = php::concat({$obj}.getProperty({$propName}), {$expr});";
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} elseif ($this->isAssignOpPow($op)) {
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$this->context->beforeStmtLines[] = "{$tmpVar} = php::fn::pow({$obj}.getProperty({$propName}), {$expr});";
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} else {
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$this->context->beforeStmtLines[] = "{$tmpVar} = {$obj}.getProperty({$propName}) {$binaryOp} ({$expr});";
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}
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$this->context->afterStmtLines[] = "{$obj}.setProperty({$propName}, {$tmpVar});";
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return $tmpVar;
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}
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if ($this->isAssignOpConcat($op)) {
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return $var . '.append(' . $expr . ')';
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}
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return $var . ' ' . $op . ' (' . $expr . ')';
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}
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protected function parseBigAssignOp(Expr\AssignOp $node, string $var, string $type, string $expr, string $rightType, string $op): string
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{
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$binaryOp = $this->removeAssignOp($op);
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$bigExpr = $this->parseBigAssignOpExpr($var, $type, $expr, $rightType, $binaryOp, $node->var, $node->expr);
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return $var . ' = ' . $bigExpr;
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}
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protected function parseBigAssignOpExpr(string $leftExpr, string $leftType, string $rightExpr, string $rightType, string $binaryOp, NodeAbstract $errorNode, ?NodeAbstract $rightNode = null): string
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{
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[$class, $opMap] = match ($leftType) {
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self::TYPE_BIGINT => ['BigInt', ['+' => 'add', '-' => 'sub', '*' => 'mul', '/' => 'div', '%' => 'mod', '&' => 'bitAnd', '|' => 'bitOr', '^' => 'bitXor', '<<' => 'bitShiftLeft', '>>' => 'bitShiftRight']],
|
|
self::TYPE_DECIMAL => ['Decimal', ['+' => 'add', '-' => 'sub', '*' => 'mul', '/' => 'div', '%' => 'mod']],
|
|
self::TYPE_BIGFLOAT => ['BigFloat', ['+' => 'add', '-' => 'sub', '*' => 'mul', '/' => 'div']],
|
|
};
|
|
|
|
$method = $opMap[$binaryOp] ?? null;
|
|
if ($method === null) {
|
|
$this->fatalError($errorNode, "Unsupported compound assignment operator '{$binaryOp}' for type {$leftType}");
|
|
}
|
|
|
|
// For bitwise shifts, the right operand is a shift amount (Int), not BigInt
|
|
$isShift = ($binaryOp === '<<' || $binaryOp === '>>');
|
|
$convertedRight = match ($leftType) {
|
|
self::TYPE_BIGINT => $isShift ? $rightExpr : $this->convertBigIntExpr($rightExpr, $rightType),
|
|
self::TYPE_DECIMAL => $this->convertDecimalExpr($rightExpr, $rightType, $rightNode),
|
|
self::TYPE_BIGFLOAT => $this->convertBigFloatExpr($rightExpr, $rightType),
|
|
};
|
|
|
|
return 'php::' . $class . '::' . $method . '(' . $leftExpr . ', ' . $convertedRight . ')';
|
|
}
|
|
|
|
protected function parseAssignOpConcat(Expr\AssignOp\Concat $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '.=');
|
|
}
|
|
|
|
protected function parseAssignOpPlus(Expr\AssignOp\Plus $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '+=');
|
|
}
|
|
|
|
protected function parseAssignOpMinus(Expr\AssignOp\Minus $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '-=');
|
|
}
|
|
|
|
protected function parseAssignOpMod(Expr\AssignOp\Mod $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '%=');
|
|
}
|
|
|
|
protected function parseAssignOpMul(Expr\AssignOp\Mul $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '*=');
|
|
}
|
|
|
|
protected function parseAssignOpDiv(Expr\AssignOp\Div $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '/=');
|
|
}
|
|
|
|
protected function parseAssignOpBitwiseAnd(Expr\AssignOp\BitwiseAnd $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '&=');
|
|
}
|
|
|
|
protected function parseAssignOpBitwiseOr(Expr\AssignOp\BitwiseOr $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '|=');
|
|
}
|
|
|
|
protected function parseAssignOpPow(Expr\AssignOp\Pow $expr): string
|
|
{
|
|
return $this->parseAssignOp($expr, '**=');
|
|
}
|
|
|
|
protected function parseArrayDimStore($array, $dim, $var): string
|
|
{
|
|
$oriInAssignExpr = $this->context->inAssignExpr;
|
|
$this->context->inAssignExpr = true;
|
|
$id = $this->parseIdentifier($array);
|
|
$this->context->inAssignExpr = $oriInAssignExpr;
|
|
|
|
return $id . '.offsetSet(' . $this->trimBrackets($dim) . ', ' . $this->trimBrackets($var) . ')';
|
|
}
|
|
|
|
protected function parseAssignOpShiftLeft(Expr\AssignOp\ShiftLeft $node): string
|
|
{
|
|
return $this->parseAssignOp($node, '<<=');
|
|
}
|
|
|
|
protected function parseAssignOpShiftRight(Expr\AssignOp\ShiftRight $node): string
|
|
{
|
|
return $this->parseAssignOp($node, '>>=');
|
|
}
|
|
|
|
protected function parseAssignOpBitwiseXor(Expr\AssignOp\BitwiseXor $node): string
|
|
{
|
|
return $this->parseAssignOp($node, '^=');
|
|
}
|
|
|
|
protected function parseAssignRef(Expr\AssignRef $expr): string
|
|
{
|
|
$this->context->inAssignExpr = true;
|
|
$left = $this->parseIdentifier($expr->var);
|
|
$this->context->inAssignExpr = false;
|
|
|
|
if ($this->isVarExpr($expr->var)) {
|
|
if (!$this->hasVar($left)) {
|
|
$this->addLocalVar($left, self::TYPE_REF);
|
|
} else {
|
|
$type = $this->getVarType($left);
|
|
if ($type !== self::TYPE_REF) {
|
|
$this->fatalError($expr, 'Cannot assign reference to variable of type ' . $type);
|
|
}
|
|
}
|
|
}
|
|
|
|
$tmpVar = $this->addTmpVar(self::TYPE_REF);
|
|
$rightExpr = '';
|
|
|
|
if ($this->isVarExpr($expr->expr)) {
|
|
$rightExpr = $tmpVar . ' = ' . $this->parseIdentifier($expr->expr) . '.toReference()';
|
|
} elseif ($this->isPropertyFetch($expr->expr)) {
|
|
$left = $this->parseIdentifier($expr->var);
|
|
$object = $this->parseExpr($expr->expr->var);
|
|
$prop = $this->identifierToStr($expr->expr->name);
|
|
$rightExpr = $tmpVar . ' = ' . $object . '.attrRef(' . $prop . ')';
|
|
} elseif ($this->isArrayDimFetch($expr->expr)) {
|
|
$left = $this->parseIdentifier($expr->var);
|
|
$array = $this->parseIdentifier($expr->expr->var);
|
|
if ($expr->expr->dim == null) {
|
|
$this->fatalError($expr, 'Cannot assign reference to array dim fetch without dim');
|
|
}
|
|
$rightExpr = $tmpVar . ' = ' . $array . '.itemRef(' . $this->parseIdentifier($expr->expr->dim) . ')';
|
|
} else {
|
|
$this->fatalError($expr, 'Cannot assign reference to ' . $this->parseIdentifier($expr->expr));
|
|
}
|
|
|
|
$this->context->beforeStmtLines[] = $rightExpr . ';';
|
|
return $left . ' = &' . $tmpVar;
|
|
}
|
|
|
|
protected function parseAssignPropertyArrayDim(NodeAbstract $left, NodeAbstract $right): string
|
|
{
|
|
$obj = $this->parseIdentifier($left->var->var);
|
|
$propName = $this->identifierToStr($left->var->name);
|
|
$code = '';
|
|
$value = $this->trimBrackets($this->parseExpr($right));
|
|
|
|
$tmp = $this->genTmpVarName();
|
|
$this->addLocalVar($tmp, self::TYPE_VAR);
|
|
|
|
if ($left->dim === null) {
|
|
return $code . '((' . $tmp . ' = ' . $value . ', ' . "{$obj}.appendArrayProperty({$propName}, {$tmp})" . '), ' . $tmp . ')';
|
|
}
|
|
$dim = $this->trimBrackets($this->parseIdentifier($left->dim));
|
|
|
|
return $code . '((' . $tmp . ' = ' . $value . ', ' . "{$obj}.updateArrayProperty({$propName}, {$dim}, {$tmp})" . '), ' . $tmp . ')';
|
|
}
|
|
|
|
protected function parseAssignOpCoalesce(Expr\AssignOp\Coalesce $expr): string
|
|
{
|
|
$this->checkLeftValue($expr->var);
|
|
$isset = $this->parseChainedExpr($expr->var, self::OP_ISSET);
|
|
|
|
$inAssignExpr = $this->context->inAssignExpr;
|
|
$this->context->inAssignExpr = true;
|
|
$var = $this->parseIdentifier($expr->var);
|
|
$this->context->inAssignExpr = $inAssignExpr;
|
|
|
|
$right = $this->parseExpr($expr->expr);
|
|
if ($this->isVarExpr($expr->expr) and !$this->hasVar($right)) {
|
|
$this->errorUndefinedVariable($expr->expr);
|
|
}
|
|
if ($this->isVarExpr($expr->var) and !$this->hasVar($var)) {
|
|
$this->addLocalVar($var, $this->detectTypeOfExpr($expr->expr));
|
|
}
|
|
return '(' . $isset . '?' . $var . ':(' . $var . ' = ' . $right . '))';
|
|
}
|
|
|
|
}
|
|
|