Closes #1520

CHANGELOG.md

@@ -9,5 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Introduced a brand new CLI interface
 - The preferred method of installation is to use the Zephir PHAR
   which can be downloaded from the most recent Github Release
+- Zephir development mode will be enabled silently if your PHP binary was compiled in
+  a debug configuration [#1520](https://github.com/phalcon/zephir/issues/1520)
 
 [Unreleased]: https://github.com/phalcon/zephir/compare/0.11.3...HEAD

Library/Command/BuildCommand.php

@@ -37,23 +37,8 @@ protected function configure()
                 'Used backend to build extension',
                 'ZendEngine3'
             )
-            ->addOption(
-                'dev',
-                null,
-                InputOption::VALUE_NONE,
-                'Build the extension in development mode'
-            )
-            ->setHelp(
-                <<<EOT
-Generates/Compiles/Installs a Zephir extension.
-Just a meta command that just calls "generate", "compile" and "install" commands.
-
-Using "--dev" option will force compile and install the extension in development mode
-(debug symbols and no optimizations). An extension compiled with debugging symbols means
-you can run a program or library through a debugger and the debugger's output will be user
-friendlier. These debugging symbols also enlarge the program or library significantly. 
-EOT
-            );
+            ->addOption('dev', null, InputOption::VALUE_NONE, 'Build the extension in development mode')
+            ->setHelp($this->getBuildDevHelp());
     }
 
     protected function execute(InputInterface $input, OutputInterface $output)
@@ -70,9 +55,25 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $arguments = [
             'command'   => 'install',
             '--backend' => $input->getOption('backend'),
-            '--dev'     => $input->getOption('dev'),
+            '--dev'     => $input->getOption('dev') || PHP_DEBUG,
         ];
 
         return $command->run(new ArrayInput($arguments), $output);
     }
+
+    private function getBuildDevHelp()
+    {
+        return <<<EOT
+Generates/Compiles/Installs a Zephir extension.
+Just a meta command that just calls "generate", "compile" and "install" commands.
+
+Using "--dev" option will force building and install the extension in development mode
+(debug symbols and no optimizations). An extension compiled with debugging symbols means
+you can run a program or library through a debugger and the debugger's output will be user
+friendlier. These debugging symbols also enlarge the program or library significantly.
+
+Note: Zephir development mode will be enabled silently if your PHP binary was compiled in
+a debug configuration.
+EOT;
+    }
 }

Library/Command/CompileCommand.php

@@ -36,12 +36,8 @@ protected function configure()
                 'Used backend to compile extension',
                 'ZendEngine3'
             )
-            ->addOption(
-                'dev',
-                null,
-                InputOption::VALUE_NONE,
-                'Compile the extension in development mode'
-            );
+            ->addOption('dev', null, InputOption::VALUE_NONE, 'Compile the extension in development mode')
+            ->setHelp($this->getCompileDevHelp());
     }
 
     protected function execute(InputInterface $input, OutputInterface $output)
@@ -54,8 +50,23 @@ protected function execute(InputInterface $input, OutputInterface $output)
          */
 
         // TODO: Move all the stuff from the compiler
-        $this->compiler->compile($input->getOption('dev'));
+        $this->compiler->compile($input->getOption('dev') || PHP_DEBUG);
 
         return 0;
     }
+
+    private function getCompileDevHelp()
+    {
+        return <<<EOT
+Compile a Zephir extension.
+
+Using "--dev" option will force compiling the extension in development mode
+(debug symbols and no optimizations). An extension compiled with debugging symbols means
+you can run a program or library through a debugger and the debugger's output will be user
+friendlier. These debugging symbols also enlarge the program or library significantly.
+
+Note: Zephir development mode will be enabled silently if your PHP binary was compiled in
+a debug configuration.
+EOT;
+    }
 }

Library/Command/InstallCommand.php

@@ -29,19 +29,31 @@ protected function configure()
         $this
             ->setName('install')
             ->setDescription('Installs the extension in the extension directory (may require root password)')
-            ->addOption(
-                'dev',
-                null,
-                InputOption::VALUE_NONE,
-                'Install the extension in development mode'
-            );
+            ->addOption('dev', null, InputOption::VALUE_NONE, 'Install the extension in development mode')
+            ->setHelp($this->getInstallDevHelp());
     }
 
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         // TODO: Move all the stuff from the compiler
-        $this->compiler->install($input->getOption('dev'));
+        $this->compiler->install($input->getOption('dev') || PHP_DEBUG);
 
         return 0;
     }
+
+    private function getInstallDevHelp()
+    {
+        return <<<EOT
+Installs the extension in the extension directory.
+Note: The command may require root password on Linux/Unit systems.
+
+Using "--dev" option will try installing the extension in development mode
+(debug symbols and no optimizations). An extension compiled with debugging symbols means
+you can run a program or library through a debugger and the debugger's output will be user
+friendlier. These debugging symbols also enlarge the program or library significantly.
+
+Note: Zephir development mode will be enabled silently if your PHP binary was compiled in
+a debug configuration.
+EOT;
+    }
 }