Namespace cpp::

Description

Pike has a builtin C-style preprocessor. It works similar to the ANSI-C preprocessor but has a few extra features. These and the default set of preprocessor macros are described here.

The preprocessor is usually accessed via MasterObject->compile_file() or MasterObject->compile_string(), but may be accessed directly by calling cpp().

Constant __APPLE__: constant __APPLE__
Description: This define is defined when the Pike is running on MacOS X.

Constant __AUTO_BIGNUM__: constant __AUTO_BIGNUM__
Description: This define is defined when automatic bignum conversion is enabled. When enabled all integers will automatically be converted to bignums when they get bigger than what can be represented by an integer, hampering performance slightly instead of crashing the program. This define is always set since Pike 8.0.

Constant __BUILD__: constant __BUILD__
Description: This constant contains the build number of the current Pike version, represented as an integer. If another Pike version is emulated, this constant remains unaltered.
See also: __REAL_MINOR__

Constant __DATE__: constant __DATE__
Description: This define contains the current date at the time of compilation, e.g. "Jul 28 2001".

Constant __DIR__: constant __DIR__
Description: This define contains the directory path of the source file.

Constant __FILE__: constant __FILE__
Description: This define contains the file path and name of the source file.

Constant __HAIKU__: constant __HAIKU__
Description: This define is defined when the Pike is running on Haiku.

Constant __LINE__: constant __LINE__
Description: This define contains the current line number, represented as an integer, in the source file.

Constant __MAJOR__: constant __MAJOR__
Description: This define contains the major part of the current Pike version, represented as an integer. If another Pike version is emulated, this define is updated accordingly.
See also: __REAL_MAJOR__

Constant __MINOR__: constant __MINOR__
Description: This define contains the minor part of the current Pike version, represented as an integer. If another Pike version is emulated, this define is updated accordingly.
See also: __REAL_MINOR__

Constant __NT__: constant __NT__
Description: This define is defined when the Pike is running on a Microsoft Windows OS, not just Microsoft Windows NT, as the name implies.

Constant __PIKE__: constant __PIKE__
Description: This define is always true.

Constant __REAL_BUILD__: constant __REAL_BUILD__
Description: This define always contains the minor part of the version of the current Pike, represented as an integer.
See also: __BUILD__

Constant __REAL_MAJOR__: constant __REAL_MAJOR__
Description: This define always contains the major part of the version of the current Pike, represented as an integer.
See also: __MAJOR__

Constant __REAL_MINOR__: constant __REAL_MINOR__
Description: This define always contains the minor part of the version of the current Pike, represented as an integer.
See also: __MINOR__

Constant __REAL_VERSION__: constant __REAL_VERSION__
Description: This define always contains the version of the current Pike, represented as a float.
See also: __VERSION__

Constant __STDC_ISO_10646__

constant __STDC_ISO_10646__

Description

This macro expands to the year and date (6 digits) of the Unicode standard that the Pike runtime supports.

Note that this differs slightly from the corresponding macro in the C23 standard in that it does NOT have an ending 'L'.

See also

__UNICODE_VERSION__

Constant __TIME__: constant __TIME__
Description: This define contains the current time at the time of compilation, e.g. "12:20:51".

Constant __UNICODE_VERSION__: constant __UNICODE_VERSION__
Description: This macro expands to a decimal representation of the version of the Unicode standard that the Pike runtime supports. It is formated with the sprintf-format %d%02d%02d with the values major, minor and revision in order. Version 12.1 thus results in the value 120100.
See also: __STDC_ISO_10646__

Constant __VERSION__: constant __VERSION__
Description: This define contains the current Pike version as a float. If another Pike version is emulated, this define is updated accordingly.
See also: __REAL_VERSION__

Constant __amigaos__: constant __amigaos__
Description: This define is defined when the Pike is running on Amiga OS.

Constant static_assert

constant static_assert

Description

This define expands to the symbol _Static_assert.

It is the preferred way to perform static (ie compile-time) assertions.

Note

The macro can also be used to check for whether static assertions are supported.

See also

_Static_assert()

Variable __COUNTER__: int(1..) __COUNTER__
Description: This define contains a unique counter (unless it has been expanded Int.NATIVE_MAX times) represented as an integer.