public function compile()
{
$this->preCompile();
$importer = new Importer($this);
$this->string = new StringObject($importer->collate());
// Capture phase 0 hook: Before all variables and settings have resolved.
$this->hooks->run('capture_phase0', $this);
$this->captureVars();
$this->placeAllVars();
$this->resolveIfDefines();
$this->resolveSettings();
// Capture phase 1 hook: After all variables and settings have resolved.
$this->hooks->run('capture_phase1', $this);
$this->resolveSelectorAliases();
$this->captureMixins();
$this->resolveFragments();
// Capture phase 2 hook: After most built-in directives have resolved.
$this->hooks->run('capture_phase2', $this);
$this->captureRules();
$this->resolveInBlocks();
// Calling functions on media query lists.
$process = $this;
$this->string->pregReplaceCallback('~@media\\s+(?<media_list>[^{]+)\\{~i', function ($m) use(&$process) {
return "@media {$process->functions->apply($m['media_list'])}{";
});
$this->aliasAtRules();
$this->processRules();
$this->collate();
$this->postCompile();
return $this->string;
}
