/**
----------------------------------------------------------------------+
* @desc Split token stream into nodes of type function, comment,
* class or method.
* @param int Start position
* @param Object Node
* @param int Depth
* @return int
----------------------------------------------------------------------+
*/
protected function measure($pos, Lint\Node $node, &$ret)
{
$start = $this->last_newline($pos);
$node->start = $start;
if ($node->type === T_FILE) {
$node->start_line = 1;
$node->empty = false;
} else {
$node->start_line = $this->tokens[$start][2] + 1;
$node->empty = true;
}
$this->debug(sprintf('In Node `%s` of type `%s` line %d; Owned by `%s`', $node->name, Tokenizer::token_name($node->type), $node->start_line, $node->owner), $node->depth, OPT_SCOPE_MAP, true);
$this->scope = array();
$next_node = new Lint\Node();
$last_comment = null;
$tokens = $this->tokens;
for ($i = $pos; $i < $this->tcount; $i++) {
if (count($this->scope) > 0 && $node->empty && Tokenizer::meaningfull($tokens[$i][0]) && $tokens[$i][0] !== T_CURLY_CLOSE) {
$node->empty = false;
}
if (!empty($this->ignore_next) && $tokens[$i][0] === $this->ignore_next[count($this->ignore_next) - 1]) {
$node->tokens[] = $tokens[$i];
array_pop($this->ignore_next);
continue;
}
switch ($tokens[$i][0]) {
case T_INLINE_HTML:
// Gather inline html into one token
$node->tokens[] = $tokens[$i];
while (++$i < $this->tcount && in_array($tokens[$i][0], array(T_INLINE_HTML, T_NEWLINE))) {
}
$i--;
break;
case T_ELSE:
// treat `else if` like `elseif`
// perhaps the tokenizer should do this ?
if ($tokens[$this->next($i)][0] === T_IF) {
$this->tokens[$i][0] = T_ELSEIF;
$this->tokens[$i][1] = 'elseif';
$this->ignore_next[] = T_IF;
}
$this->open_scope($i, $node);
break;
case T_IF:
case T_ELSEIF:
case T_THEN:
case T_FOREACH:
case T_WHILE:
case T_SWITCH:
$this->open_scope($i, $node);
break;
case T_FOR:
$this->open_scope($i, $node);
$this->ignore_next[] = T_SEMICOLON;
$this->ignore_next[] = T_SEMICOLON;
break;
case T_BASIC_CURLY_OPEN:
$this->open_scope($i, $node);
break;
case T_SEMICOLON:
$this->close_scope($i, $node);
$node->tokens[] = $tokens[$i];
if (empty($this->scope) && $node->empty) {
$i++;
break 2;
}
break;
case T_CURLY_CLOSE:
$this->close_scope($i, $node);
if (empty($this->scope) && $node->type !== T_FILE) {
$i++;
break 2;
}
break;
case T_CURLY_OPEN:
$this->ignore_next[] = T_CURLY_CLOSE;
break;
case T_PUBLIC:
case T_PRIVATE:
case T_PROTECTED:
$next_node->visibility = Tokenizer::token_name($tokens[$i][0]);
break;
case T_ABSTRACT:
$next_node->abstract = true;
break;
case T_STATIC:
$next_node->static = true;
break;
case T_COMMENT:
$node->tokens[] = $tokens[$i];
$node->comments[] = $this->measure_comment($i, $node->depth, $i);
break;
case T_DOC_COMMENT:
$node->tokens[] = $tokens[$i];
if ($last_comment) {
$node->comments[] = $last_comment;
}
$last_comment = $this->measure_comment($i, $node->depth, $i);
break;
case T_CLASS:
case T_INTERFACE:
case T_FUNCTION:
list($type, $name, $owner) = $this->determine_type($i, $node, $next_node);
$next_node->type = $type;
$next_node->name = $name;
$next_node->depth = $node->depth + 1;
$next_node->owner = $owner;
$next_node->file = $node->file;
if ($last_comment) {
$next_node->comments[] = $last_comment;
}
$node->tokens[] = $tokens[$i];
// preserve scope
$scope = $this->scope;
$node->nodes[] = $this->measure($i + 1, $next_node, $i);
$this->scope = $scope;
$next_node = new Lint\Node();
$last_comment = null;
break;
default:
$node->tokens[] = $tokens[$i];
break;
}
}
// In case $i is over the buffer
$node->end = $i >= $this->tcount ? --$i : $i;
$node->end_line = $tokens[$i][2];
$node->length = $node->end_line - $node->start_line;
$node->token_count = count($node->tokens);
$ret = $i > 0 ? --$i : $i;
$this->debug(sprintf('Exiting Node `%s` of type `%s` line %d', $node->name, Tokenizer::token_name($node->type), $node->end_line), $node->depth, OPT_SCOPE_MAP, true);
return $node;
}
