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vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php

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+<?php
+
+namespace Illuminate\Container;
+
+use Closure;
+use ReflectionMethod;
+use ReflectionFunction;
+use InvalidArgumentException;
+
+class BoundMethod
+{
+    /**
+     * Call the given Closure / class@method and inject its dependencies.
+     *
+     * @param  \Illuminate\Container\Container  $container
+     * @param  callable|string  $callback
+     * @param  array  $parameters
+     * @param  string|null  $defaultMethod
+     * @return mixed
+     */
+    public static function call($container, $callback, array $parameters = [], $defaultMethod = null)
+    {
+        if (static::isCallableWithAtSign($callback) || $defaultMethod) {
+            return static::callClass($container, $callback, $parameters, $defaultMethod);
+        }
+
+        return static::callBoundMethod($container, $callback, function () use ($container, $callback, $parameters) {
+            return call_user_func_array(
+                $callback, static::getMethodDependencies($container, $callback, $parameters)
+            );
+        });
+    }
+
+    /**
+     * Call a string reference to a class using Class@method syntax.
+     *
+     * @param  \Illuminate\Container\Container  $container
+     * @param  string  $target
+     * @param  array  $parameters
+     * @param  string|null  $defaultMethod
+     * @return mixed
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected static function callClass($container, $target, array $parameters = [], $defaultMethod = null)
+    {
+        $segments = explode('@', $target);
+
+        // We will assume an @ sign is used to delimit the class name from the method
+        // name. We will split on this @ sign and then build a callable array that
+        // we can pass right back into the "call" method for dependency binding.
+        $method = count($segments) == 2
+                        ? $segments[1] : $defaultMethod;
+
+        if (is_null($method)) {
+            throw new InvalidArgumentException('Method not provided.');
+        }
+
+        return static::call(
+            $container, [$container->make($segments[0]), $method], $parameters
+        );
+    }
+
+    /**
+     * Call a method that has been bound to the container.
+     *
+     * @param  \Illuminate\Container\Container  $container
+     * @param  callable  $callback
+     * @param  mixed  $default
+     * @return mixed
+     */
+    protected static function callBoundMethod($container, $callback, $default)
+    {
+        if (! is_array($callback)) {
+            return $default instanceof Closure ? $default() : $default;
+        }
+
+        // Here we need to turn the array callable into a Class@method string we can use to
+        // examine the container and see if there are any method bindings for this given
+        // method. If there are, we can call this method binding callback immediately.
+        $method = static::normalizeMethod($callback);
+
+        if ($container->hasMethodBinding($method)) {
+            return $container->callMethodBinding($method, $callback[0]);
+        }
+
+        return $default instanceof Closure ? $default() : $default;
+    }
+
+    /**
+     * Normalize the given callback into a Class@method string.
+     *
+     * @param  callable  $callback
+     * @return string
+     */
+    protected static function normalizeMethod($callback)
+    {
+        $class = is_string($callback[0]) ? $callback[0] : get_class($callback[0]);
+
+        return "{$class}@{$callback[1]}";
+    }
+
+    /**
+     * Get all dependencies for a given method.
+     *
+     * @param  \Illuminate\Container\Container
+     * @param  callable|string  $callback
+     * @param  array  $parameters
+     * @return array
+     */
+    protected static function getMethodDependencies($container, $callback, array $parameters = [])
+    {
+        $dependencies = [];
+
+        foreach (static::getCallReflector($callback)->getParameters() as $parameter) {
+            static::addDependencyForCallParameter($container, $parameter, $parameters, $dependencies);
+        }
+
+        return array_merge($dependencies, $parameters);
+    }
+
+    /**
+     * Get the proper reflection instance for the given callback.
+     *
+     * @param  callable|string  $callback
+     * @return \ReflectionFunctionAbstract
+     */
+    protected static function getCallReflector($callback)
+    {
+        if (is_string($callback) && strpos($callback, '::') !== false) {
+            $callback = explode('::', $callback);
+        }
+
+        return is_array($callback)
+                        ? new ReflectionMethod($callback[0], $callback[1])
+                        : new ReflectionFunction($callback);
+    }
+
+    /**
+     * Get the dependency for the given call parameter.
+     *
+     * @param  \Illuminate\Container\Container  $container
+     * @param  \ReflectionParameter  $parameter
+     * @param  array  $parameters
+     * @param  array  $dependencies
+     * @return mixed
+     */
+    protected static function addDependencyForCallParameter($container, $parameter,
+                                                            array &$parameters, &$dependencies)
+    {
+        if (array_key_exists($parameter->name, $parameters)) {
+            $dependencies[] = $parameters[$parameter->name];
+
+            unset($parameters[$parameter->name]);
+        } elseif ($parameter->getClass()) {
+            $dependencies[] = $container->make($parameter->getClass()->name);
+        } elseif ($parameter->isDefaultValueAvailable()) {
+            $dependencies[] = $parameter->getDefaultValue();
+        }
+    }
+
+    /**
+     * Determine if the given string is in Class@method syntax.
+     *
+     * @param  mixed  $callback
+     * @return bool
+     */
+    protected static function isCallableWithAtSign($callback)
+    {
+        return is_string($callback) && strpos($callback, '@') !== false;
+    }
+}

vendor/laravel/framework/src/Illuminate/Container/ContextualBindingBuilder.php

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+<?php
+
+namespace Illuminate\Container;
+
+use Illuminate\Contracts\Container\ContextualBindingBuilder as ContextualBindingBuilderContract;
+
+class ContextualBindingBuilder implements ContextualBindingBuilderContract
+{
+    /**
+     * The underlying container instance.
+     *
+     * @var \Illuminate\Container\Container
+     */
+    protected $container;
+
+    /**
+     * The concrete instance.
+     *
+     * @var string
+     */
+    protected $concrete;
+
+    /**
+     * The abstract target.
+     *
+     * @var string
+     */
+    protected $needs;
+
+    /**
+     * Create a new contextual binding builder.
+     *
+     * @param  \Illuminate\Container\Container  $container
+     * @param  string  $concrete
+     * @return void
+     */
+    public function __construct(Container $container, $concrete)
+    {
+        $this->concrete = $concrete;
+        $this->container = $container;
+    }
+
+    /**
+     * Define the abstract target that depends on the context.
+     *
+     * @param  string  $abstract
+     * @return $this
+     */
+    public function needs($abstract)
+    {
+        $this->needs = $abstract;
+
+        return $this;
+    }
+
+    /**
+     * Define the implementation for the contextual binding.
+     *
+     * @param  \Closure|string  $implementation
+     * @return void
+     */
+    public function give($implementation)
+    {
+        $this->container->addContextualBinding(
+            $this->concrete, $this->needs, $implementation
+        );
+    }
+}

vendor/laravel/framework/src/Illuminate/Container/composer.json

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+{
+    "name": "illuminate/container",
+    "description": "The Illuminate Container package.",
+    "license": "MIT",
+    "homepage": "https://laravel.com",
+    "support": {
+        "issues": "https://github.com/laravel/framework/issues",
+        "source": "https://github.com/laravel/framework"
+    },
+    "authors": [
+        {
+            "name": "Taylor Otwell",
+            "email": "taylor@laravel.com"
+        }
+    ],
+    "require": {
+        "php": ">=5.6.4",
+        "illuminate/contracts": "5.4.*"
+    },
+    "autoload": {
+        "psr-4": {
+            "Illuminate\\Container\\": ""
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "5.4-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "minimum-stability": "dev"
+}