src/CompilerContext.php
public function compile(callable $validator = NULL) {
        if(!($project = $this->getProject())) {
            $project = CC::get($this->getConfiguration(), CC::COMPILER_PROJECT);
            if(!$project)
                throw new CompilerException("Compilation without project settings is not possible");
        }

        $this->project = $project;

        try {
            set_error_handler(function($code, $msg, $file, $line) {
                switch(AbstractErrorHandlerService::detectErrorLevel($code)) {
                    case AbstractErrorHandlerService::NOTICE_ERROR_LEVEL: return $this->getLogger()->logNotice($msg, [$file, $line]);
                    case AbstractErrorHandlerService::DEPRECATED_ERROR_LEVEL:
                    case AbstractErrorHandlerService::WARNING_ERROR_LEVEL: return $this->getLogger()->logWarning($msg, [$file, $line]);
                    default: return $this->getLogger()->logError($msg, [$file, $line]);
                }
            });



            /** @var CompilerInterface $compiler */
            foreach($this->getOrganizedCompilers() as $compiler) {
                if(!$validator || $validator($compiler))
                    $compiler->compile($this);
            }
        } catch (Throwable $throwable) {
            $this->getLogger()->logException($throwable);
        } finally {
            restore_error_handler();
        }
    }
public function compile(callable $validator = NULL) {
        if(!($project = $this->getProject())) {
            $project = CC::get($this->getConfiguration(), CC::COMPILER_PROJECT);
            if(!$project)
                throw new CompilerException("Compilation without project settings is not possible");
        }

        $this->project = $project;

        try {
            set_error_handler(function($code, $msg, $file, $line) {
                switch(AbstractErrorHandlerService::detectErrorLevel($code)) {
                    case AbstractErrorHandlerService::NOTICE_ERROR_LEVEL: return $this->getLogger()->logNotice($msg, [$file, $line]);
                    case AbstractErrorHandlerService::DEPRECATED_ERROR_LEVEL:
                    case AbstractErrorHandlerService::WARNING_ERROR_LEVEL: return $this->getLogger()->logWarning($msg, [$file, $line]);
                    default: return $this->getLogger()->logError($msg, [$file, $line]);
                }
            });



            /** @var CompilerInterface $compiler */
            foreach($this->getOrganizedCompilers() as $compiler) {
                if(!$validator || $validator($compiler))
                    $compiler->compile($this);
            }
        } catch (Throwable $throwable) {
            $this->getLogger()->logException($throwable);
        } finally {
            restore_error_handler();
        }
    }
Main compile command.
Call this function to resolve any compiler factories and dependents.
Then every compiler is called to compile its stuff

The compilation does not throw any error or notification. Everything is redirected to the logger.
To handle errors, use a different logger.

@param callable $validator