[ExpressionLanguage] Add a way to hook on each node when dumping the AST
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f400f01ecc
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66d23dbef6
@ -25,14 +25,16 @@ class ArgumentsNode extends ArrayNode
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$this->compileArguments($compiler, false);
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}
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public function dump()
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public function toArray()
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{
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$str = '';
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$array = array();
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foreach ($this->getKeyValuePairs() as $pair) {
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$str .= sprintf('%s, ', $pair['value']->dump());
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$array[] = $pair['value'];
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$array[] = ', ';
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}
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array_pop($array);
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return rtrim($str, ', ');
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return $array;
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}
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}
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@ -58,34 +58,34 @@ class ArrayNode extends Node
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return $result;
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}
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public function dump()
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public function toArray()
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{
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$array = array();
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$value = array();
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foreach ($this->getKeyValuePairs() as $pair) {
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$array[$pair['key']->attributes['value']] = $pair['value']->dump();
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$value[$pair['key']->attributes['value']] = $pair['value'];
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}
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if ($this->isHash($array)) {
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$str = '{';
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$array = array();
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foreach ($array as $key => $value) {
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if (is_int($key)) {
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$str .= sprintf('%s: %s, ', $key, $value);
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} else {
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$str .= sprintf('"%s": %s, ', $this->dumpEscaped($key), $value);
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}
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if ($this->isHash($value)) {
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foreach ($value as $k => $v) {
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$array[] = ', ';
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$array[] = new ConstantNode($k);
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$array[] = ': ';
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$array[] = $v;
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}
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return rtrim($str, ', ').'}';
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$array[0] = '{';
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$array[] = '}';
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} else {
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foreach ($value as $v) {
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$array[] = ', ';
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$array[] = $v;
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}
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$array[0] = '[';
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$array[] = ']';
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}
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$str = '[';
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foreach ($array as $key => $value) {
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$str .= sprintf('%s, ', $value);
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}
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return rtrim($str, ', ').']';
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return $array;
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}
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protected function getKeyValuePairs()
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@ -155,8 +155,8 @@ class BinaryNode extends Node
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}
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}
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public function dump()
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public function toArray()
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{
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return sprintf('(%s %s %s)', $this->nodes['left']->dump(), $this->attributes['operator'], $this->nodes['right']->dump());
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return array('(', $this->nodes['left'], ' '.$this->attributes['operator'].' ', $this->nodes['right'], ')');
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}
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}
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@ -49,8 +49,8 @@ class ConditionalNode extends Node
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return $this->nodes['expr3']->evaluate($functions, $values);
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}
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public function dump()
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public function toArray()
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{
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return sprintf('(%s ? %s : %s)', $this->nodes['expr1']->dump(), $this->nodes['expr2']->dump(), $this->nodes['expr3']->dump());
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return array('(', $this->nodes['expr1'], ' ? ', $this->nodes['expr2'], ' : ', $this->nodes['expr3'], ')');
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}
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}
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@ -38,51 +38,39 @@ class ConstantNode extends Node
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return $this->attributes['value'];
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}
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public function dump()
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public function toArray()
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{
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return $this->dumpValue($this->attributes['value']);
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}
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$array = array();
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$value = $this->attributes['value'];
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private function dumpValue($value)
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{
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switch (true) {
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case true === $value:
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return 'true';
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case false === $value:
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return 'false';
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case null === $value:
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return 'null';
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case is_numeric($value):
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return $value;
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case is_array($value):
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if ($this->isHash($value)) {
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$str = '{';
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foreach ($value as $key => $v) {
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if (is_int($key)) {
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$str .= sprintf('%s: %s, ', $key, $this->dumpValue($v));
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} else {
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$str .= sprintf('"%s": %s, ', $this->dumpEscaped($key), $this->dumpValue($v));
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}
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}
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return rtrim($str, ', ').'}';
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}
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$str = '[';
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foreach ($value as $key => $v) {
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$str .= sprintf('%s, ', $this->dumpValue($v));
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}
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return rtrim($str, ', ').']';
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default:
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return sprintf('"%s"', $this->dumpEscaped($value));
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if (true === $value) {
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$array[] = 'true';
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} elseif (false === $value) {
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$array[] = 'false';
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} elseif (null === $value) {
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$array[] = 'null';
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} elseif (is_numeric($value)) {
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$array[] = $value;
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} elseif (!is_array($value)) {
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$array[] = $this->dumpString($value);
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} elseif ($this->isHash($value)) {
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foreach ($value as $k => $v) {
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$array[] = ', ';
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$array[] = new self($k);
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$array[] = ': ';
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$array[] = new self($v);
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}
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$array[0] = '{';
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$array[] = '}';
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} else {
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foreach ($value as $v) {
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$array[] = ', ';
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$array[] = new self($v);
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}
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$array[0] = '[';
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$array[] = ']';
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}
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return $array;
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}
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}
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@ -50,16 +50,18 @@ class FunctionNode extends Node
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return call_user_func_array($functions[$this->attributes['name']]['evaluator'], $arguments);
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}
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public function dump()
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public function toArray()
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{
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$str = $this->attributes['name'];
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$str .= '(';
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$array = array();
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$array[] = $this->attributes['name'];
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foreach ($this->nodes['arguments']->nodes as $node) {
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$str .= $node->dump().', ';
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$array[] = ', ';
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$array[] = $node;
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}
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$array[1] = '(';
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$array[] = ')';
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return rtrim($str, ', ').')';
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return $array;
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}
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}
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@ -39,7 +39,7 @@ class GetAttrNode extends Node
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$compiler
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->compile($this->nodes['node'])
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->raw('->')
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->raw($this->nodes['attribute']->attributes['value'])
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->raw($this->nodes['attribute']->attributes['name'])
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;
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break;
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@ -47,7 +47,7 @@ class GetAttrNode extends Node
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$compiler
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->compile($this->nodes['node'])
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->raw('->')
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->raw($this->nodes['attribute']->attributes['value'])
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->raw($this->nodes['attribute']->attributes['name'])
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->raw('(')
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->compile($this->nodes['arguments'])
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->raw(')')
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@ -73,7 +73,7 @@ class GetAttrNode extends Node
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throw new \RuntimeException('Unable to get a property on a non-object.');
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}
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$property = $this->nodes['attribute']->attributes['value'];
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$property = $this->nodes['attribute']->attributes['name'];
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return $obj->$property;
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@ -83,7 +83,7 @@ class GetAttrNode extends Node
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throw new \RuntimeException('Unable to get a property on a non-object.');
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}
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return call_user_func_array(array($obj, $this->nodes['attribute']->attributes['value']), $this->nodes['arguments']->evaluate($functions, $values));
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return call_user_func_array(array($obj, $this->nodes['attribute']->attributes['name']), $this->nodes['arguments']->evaluate($functions, $values));
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case self::ARRAY_CALL:
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$array = $this->nodes['node']->evaluate($functions, $values);
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@ -95,17 +95,17 @@ class GetAttrNode extends Node
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}
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}
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public function dump()
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public function toArray()
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{
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switch ($this->attributes['type']) {
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case self::PROPERTY_CALL:
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return sprintf('%s.%s', $this->nodes['node']->dump(), trim($this->nodes['attribute']->dump(), '"'));
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return array($this->nodes['node'], '.', $this->nodes['attribute']);
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case self::METHOD_CALL:
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return sprintf('%s.%s(%s)', $this->nodes['node']->dump(), trim($this->nodes['attribute']->dump(), '"'), $this->nodes['arguments']->dump());
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return array($this->nodes['node'], '.', $this->nodes['attribute'], '(', $this->nodes['arguments'], ')');
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case self::ARRAY_CALL:
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return sprintf('%s[%s]', $this->nodes['node']->dump(), $this->nodes['attribute']->dump());
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return array($this->nodes['node'], '[', $this->nodes['attribute'], ']');
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}
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}
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}
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@ -38,8 +38,8 @@ class NameNode extends Node
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return $values[$this->attributes['name']];
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}
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public function dump()
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public function toArray()
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{
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return $this->attributes['name'];
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return array($this->attributes['name']);
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}
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}
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@ -76,14 +76,14 @@ class Node
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return $results;
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}
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public function dump()
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public function toArray()
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{
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throw new \BadMethodCallException(sprintf('Dumping a "%s" instance is not supported yet.', get_class($this)));
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}
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protected function dumpEscaped($value)
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protected function dumpString($value)
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{
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return str_replace(array('\\', '"'), array('\\\\', '\"'), $value);
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return sprintf('"%s"', addcslashes($value, "\0\t\"\\"));
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}
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protected function isHash(array $value)
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@ -59,8 +59,8 @@ class UnaryNode extends Node
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return $value;
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}
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public function dump()
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public function toArray()
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{
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return sprintf('(%s %s)', $this->attributes['operator'], $this->nodes['node']->dump());
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return array('(', $this->attributes['operator'].' ', $this->nodes['node'], ')');
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}
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}
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@ -42,6 +42,17 @@ class ParsedExpression extends Expression
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public function dump()
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{
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return $this->nodes->dump();
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return $this->dumpNode($this->nodes);
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}
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private function dumpNode(Node $node)
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{
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$dump = '';
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foreach($node->toArray() as $v) {
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$dump .= is_scalar($v) ? $v : $this->dumpNode($v);
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}
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return $dump;
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}
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}
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@ -330,7 +330,7 @@ class Parser
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throw new SyntaxError('Expected name', $token->cursor);
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}
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$arg = new Node\ConstantNode($token->value);
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$arg = new Node\NameNode($token->value);
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$arguments = new Node\ArgumentsNode();
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if ($this->stream->current->test(Token::PUNCTUATION_TYPE, '(')) {
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@ -12,6 +12,7 @@
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namespace Symfony\Component\ExpressionLanguage\Tests\Node;
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use Symfony\Component\ExpressionLanguage\Compiler;
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use Symfony\Component\ExpressionLanguage\ParsedExpression;
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abstract class AbstractNodeTest extends \PHPUnit_Framework_TestCase
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{
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@ -42,7 +43,8 @@ abstract class AbstractNodeTest extends \PHPUnit_Framework_TestCase
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*/
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public function testDump($expected, $node)
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{
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$this->assertSame($expected, $node->dump());
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$expr = new ParsedExpression($expected, $node);
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$this->assertSame($expected, $expr->dump());
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}
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abstract public function getDumpData();
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@ -47,8 +47,8 @@ class ConstantNodeTest extends AbstractNodeTest
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array('false', new ConstantNode(false)),
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array('true', new ConstantNode(true)),
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array('null', new ConstantNode(null)),
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array(3, new ConstantNode(3)),
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array(3.3, new ConstantNode(3.3)),
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array('3', new ConstantNode(3)),
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array('3.3', new ConstantNode(3.3)),
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array('"foo"', new ConstantNode('foo')),
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array('{0: 1, "b": "a", 1: true}', new ConstantNode(array(1, 'b' => 'a', true))),
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array('{"a\\"b": "c", "a\\\\b": "d"}', new ConstantNode(array('a"b' => 'c', 'a\\b' => 'd'))),
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@ -24,9 +24,9 @@ class GetAttrNodeTest extends AbstractNodeTest
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array('b', new GetAttrNode(new NameNode('foo'), new ConstantNode(0), $this->getArrayNode(), GetAttrNode::ARRAY_CALL), array('foo' => array('b' => 'a', 'b'))),
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array('a', new GetAttrNode(new NameNode('foo'), new ConstantNode('b'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL), array('foo' => array('b' => 'a', 'b'))),
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array('bar', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('bar', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('baz', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('baz', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('a', new GetAttrNode(new NameNode('foo'), new NameNode('index'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL), array('foo' => array('b' => 'a', 'b'), 'index' => 'b')),
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);
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}
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@ -37,9 +37,9 @@ class GetAttrNodeTest extends AbstractNodeTest
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array('$foo[0]', new GetAttrNode(new NameNode('foo'), new ConstantNode(0), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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array('$foo["b"]', new GetAttrNode(new NameNode('foo'), new ConstantNode('b'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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array('$foo->foo', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('$foo->foo', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('$foo->foo(array("b" => "a", 0 => "b"))', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('$foo->foo(array("b" => "a", 0 => "b"))', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('$foo[$index]', new GetAttrNode(new NameNode('foo'), new NameNode('index'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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);
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}
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@ -50,9 +50,9 @@ class GetAttrNodeTest extends AbstractNodeTest
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array('foo[0]', new GetAttrNode(new NameNode('foo'), new ConstantNode(0), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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array('foo["b"]', new GetAttrNode(new NameNode('foo'), new ConstantNode('b'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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array('foo.foo', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('foo.foo', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::PROPERTY_CALL), array('foo' => new Obj())),
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array('foo.foo({"b": "a", 0: "b"})', new GetAttrNode(new NameNode('foo'), new ConstantNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('foo.foo({"b": "a", 0: "b"})', new GetAttrNode(new NameNode('foo'), new NameNode('foo'), $this->getArrayNode(), GetAttrNode::METHOD_CALL), array('foo' => new Obj())),
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array('foo[index]', new GetAttrNode(new NameNode('foo'), new NameNode('index'), $this->getArrayNode(), GetAttrNode::ARRAY_CALL)),
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);
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}
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@ -98,24 +98,24 @@ class ParserTest extends \PHPUnit_Framework_TestCase
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'(3 - 3) * 2',
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),
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array(
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\ConstantNode('bar'), new Node\ArgumentsNode(), Node\GetAttrNode::PROPERTY_CALL),
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\NameNode('bar'), new Node\ArgumentsNode(), Node\GetAttrNode::PROPERTY_CALL),
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'foo.bar',
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array('foo'),
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),
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array(
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\ConstantNode('bar'), new Node\ArgumentsNode(), Node\GetAttrNode::METHOD_CALL),
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\NameNode('bar'), new Node\ArgumentsNode(), Node\GetAttrNode::METHOD_CALL),
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'foo.bar()',
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array('foo'),
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),
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array(
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\ConstantNode('not'), new Node\ArgumentsNode(), Node\GetAttrNode::METHOD_CALL),
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new Node\GetAttrNode(new Node\NameNode('foo'), new Node\NameNode('not'), new Node\ArgumentsNode(), Node\GetAttrNode::METHOD_CALL),
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'foo.not()',
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array('foo'),
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),
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array(
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new Node\GetAttrNode(
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new Node\NameNode('foo'),
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new Node\ConstantNode('bar'),
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new Node\NameNode('bar'),
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$arguments,
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Node\GetAttrNode::METHOD_CALL
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),
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@ -159,7 +159,9 @@ class ParserTest extends \PHPUnit_Framework_TestCase
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private function createGetAttrNode($node, $item, $type)
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{
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return new Node\GetAttrNode($node, new Node\ConstantNode($item), new Node\ArgumentsNode(), $type);
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$attr = Node\GetAttrNode::ARRAY_CALL === $type ? new Node\ConstantNode($item) : new Node\NameNode($item);
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return new Node\GetAttrNode($node, $attr, new Node\ArgumentsNode(), $type);
|
||||
}
|
||||
|
||||
/**
|
||||
|
Reference in New Issue
Block a user