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Restrictions.h File Reference

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## Macros

#define | PO_NO_GLOBAL_VARS (1 << 0)
| cannot define new global variables
#define | PO_NO_SUBROUTINE_DEFS (1 << 1)
| cannot define new user subroutines
#define | PO_NO_THREAD_CONTROL (1 << 2)
| cannot launch new threads) use thread_exit) or access thread data
#define | PO_NO_THREAD_CLASSES (1 << 3)
| no access to thread classes
#define | PO_NO_TOP_LEVEL_STATEMENTS (1 << 4)
| cannot define new top-level statements (outside of sub or class defs)
#define | PO_NO_CLASS_DEFS (1 << 5)
| cannot define new object classes
#define | PO_NO_NAMESPACE_DEFS (1 << 6)
| cannot define new namespaces
#define | PO_NO_CONSTANT_DEFS (1 << 7)
| cannot define new constants
#define | PO_NO_NEW (1 << 8)
| cannot use the new operator (DEPRECATED: this option is not useful anymore because objects can be declared and created without "new")
#define | PO_NO_SYSTEM_CLASSES (1 << 9)
| do not inherit system classes into this program space
#define | PO_NO_USER_CLASSES (1 << 10)
| do not inherit public user classes into this program space
#define | PO_NO_CHILD_PO_RESTRICTIONS (1 << 11)
| turn off parse option inheritance restrictions
#define | PO_NO_EXTERNAL_PROCESS (1 << 12)
| do not allow access to functionality that calls external processes: backquote op, system(), exec(), etc
#define | PO_REQUIRE_OUR (1 << 13)
| require "our" for global var declaration
#define | PO_NO_PROCESS_CONTROL (1 << 14)
| do not allow access to functionality that can affect the current process: fork(), exec(), abort(), etc
#define | PO_NO_NETWORK (1 << 15)
| do not allow any network access (objs & subroutines)
#define | PO_NO_FILESYSTEM (1 << 16)
| do not allow any filesystem access (objects & subroutines)
#define | PO_LOCK_WARNINGS (1 << 17)
| do not allow programs to change the warning mask
#define | PO_NO_DATABASE (1 << 18)
| do not allow database access
#define | PO_NO_GUI (1 << 19)
| do not allow any GUI-relevant actions to be performed
#define | PO_NO_TERMINAL_IO (1 << 20)
| do not allow any terminal I/O to be performed
#define | PO_REQUIRE_TYPES (1 << 21)
| require type information for all declarations
#define | PO_NO_EXTERNAL_INFO (1 << 22)
| do not allow any access to host, process, etc information
#define | PO_NO_THREAD_INFO (1 << 23)
| do not allow any access to thread information
#define | PO_NO_LOCALE_CONTROL (1 << 24)
| do not allow changes to program locale
#define | PO_REQUIRE_PROTOTYPES (1 << 25)
| require types in method and function declarations
#define | PO_STRICT_ARGS (1 << 26)
| do not allow access to RT_NOOP code or excess args
#define | PO_REQUIRE_BARE_REFS (1 << 27)
| do not allow '$' for vars and '$.' for class member refs
#define | PO_ASSUME_LOCAL (1 << 28)
| assume local variable scope if not declared (implicit "my")
#define | PO_NO_MODULES (1 << 29)
| do not allow external modules to be loaded
#define | PO_NO_INHERIT_USER_FUNC_VARIANTS (1 << 30)
| do not inherit public user function variants from the parent into the new program's space
#define | PO_NO_SYSTEM_FUNC_VARIANTS (1LL << 31)
| do not inherit any builtin function variants to the new program's space
#define | PO_NO_INHERIT_GLOBAL_VARS (1LL << 32)
| do not inherit public global variables from the parent into the new program's space
#define | PO_IN_MODULE (1LL << 33)
| do not use directly, this is set automatically in user module programs
#define | PO_NO_EMBEDDED_LOGIC (1LL << 34)
| do not allow embedded logic or runtime parsing
#define | PO_STRICT_BOOLEAN_EVAL (1LL << 35)
| do non-intuitive strict mathematical boolean evaluations (the Qore default prior to v0.8.6)
#define | PO_DEFAULT 0
| no parse options set by default
#define | PO_SYSTEM_OPS (PO_IN_MODULE)
| all options that are set by the system
#define | PO_ALLOW_BARE_REFS PO_REQUIRE_BARE_REFS
| synonym for PO_REQUIRE_BARE_REFS
#define | PO_NO_THREADS (PO_NO_THREAD_CONTROL|PO_NO_THREAD_CLASSES|PO_NO_THREAD_INFO)
| cannot access any thread functionality
#define | PO_NO_EXTERNAL_ACCESS (PO_NO_PROCESS_CONTROL|PO_NO_NETWORK|PO_NO_FILESYSTEM|PO_NO_DATABASE|PO_NO_EXTERNAL_INFO|PO_NO_EXTERNAL_PROCESS|PO_NO_MODULES)
| prohibits any external access
#define | PO_NO_IO (PO_NO_GUI|PO_NO_TERMINAL_IO|PO_NO_FILESYSTEM|PO_NO_NETWORK|PO_NO_DATABASE)
| prohibits all terminal and file I/O and GUI operations
#define | PO_LOCKDOWN (PO_NO_EXTERNAL_ACCESS|PO_NO_THREADS|PO_NO_IO)
| most restrictive access - can just execute logic, no I/O, no threading, no external access
#define | PO_NEW_STYLE (PO_ALLOW_BARE_REFS|PO_ASSUME_LOCAL)
| new Qore style: no more '$' and with assumed variable scope
#define | PO_POSITIVE_OPTIONS (PO_NO_CHILD_PO_RESTRICTIONS)
| mask of all options allowing for more freedom (instead of less)
#define | PO_FREE_OPTIONS (PO_ALLOW_BARE_REFS|PO_ASSUME_LOCAL|PO_STRICT_BOOLEAN_EVAL)
| mask of options that have no effect on code access or code safety
#define | PO_INHERITANCE_OPTIONS (PO_NO_SYSTEM_CLASSES|PO_NO_USER_CLASSES|PO_INHERIT_USER_FUNC_VARIANTS|PO_NO_SYSTEM_FUNC_VARIANTS|PO_INHERIT_GLOBAL_VARS)
| mask of options that only affect the way a child Program inherits code from the parent
#define | QDOM_DEFAULT 0
| the default domain (no domain)
#define | QDOM_PROCESS PO_NO_PROCESS_CONTROL
| provides process control functionality (can affect or stop the current process)
#define | QDOM_NETWORK PO_NO_NETWORK
| provides network functionality
#define | QDOM_EXTERNAL_PROCESS PO_NO_EXTERNAL_PROCESS
| provides external process control functionality (can affect) start) or stop external processes)
#define | QDOM_FILESYSTEM PO_NO_FILESYSTEM
| provides access to the filesystem
#define | QDOM_THREAD_CLASS PO_NO_THREAD_CLASSES
| provides thread control functionality
#define | QDOM_THREAD_CONTROL PO_NO_THREAD_CONTROL
| provides the ability to check or manipulate threads (including starting new threads)
#define | QDOM_DATABASE PO_NO_DATABASE
| provides access to databases
#define | QDOM_GUI PO_NO_GUI
| provides GUI functionality
#define | QDOM_TERMINAL_IO PO_NO_TERMINAL_IO
| provides terminal I/O functionality
#define | QDOM_EXTERNAL_INFO PO_NO_EXTERNAL_INFO
| provides access to external information (ex: hostname, pid, process uid, etc)
#define | QDOM_THREAD_INFO PO_NO_THREAD_INFO
| provides access to information regarding threading (tid, active threads, etc)
#define | QDOM_LOCALE_CONTROL PO_NO_LOCALE_CONTROL
| provices access to functionality that changes locale information
#define | QDOM_MODULES PO_NO_MODULES
| provides access to external modules
#define | QDOM_IN_MODULE PO_IN_MODULE
| tagged with code that is restricted in user modules
#define | QDOM_EMBEDDED_LOGIC PO_NO_EMBEDDED_LOGIC
| provides dynamic parsing functionality

## Detailed Description

defines parse restrictions and functional domains for builtin functions and qore class methods