dollar_identifiers. NXP CodeWarrior Development Studio

Chapter 30 Pragmas for Language Translation

30.4 dollar_identifiers

Controls use of dollar signs ($) in identifiers.

Syntax

#pragma dollar_identifiers on | off | reset

Remarks

If you enable this pragma, the compiler accepts dollar signs (

$

) in identifiers. Otherwise, the compiler issues an error if it encounters anything but underscores, alphabetic, numeric character, and universal characters (

\uxxxx

,

\Uxxxxxxxx

) in an identifier.

This pragma does not correspond to any panel setting. By default, this pragma is off

.

30.5 gcc_extensions

Controls the acceptance of GNU C language extensions.

Syntax

#pragma gcc_extensions on | off | reset

Remarks

If you enable this pragma, the compiler accepts GNU C extensions in C source code. This includes the following non-ANSI C extensions:

• Initialization of automatic struct

or array

variables with non- const

values.

• Illegal pointer conversions

• sizeof( void ) == 1

• sizeof( function-type ) == 1

• Limited support for GCC statements and declarations within expressions.

• Macro redefinitions without a previous

#undef

.

• The GCC keyword typeof

• Function pointer arithmetic supported

• void*

arithmetic supported

• Void expressions in return statements of void

•

__builtin_constant_p (

expr

)

supported

CodeWarrior Development Studio for Advanced Packet Processing Build Tools Reference Manual, Rev.

10.2, 01/2016

Freescale Semiconductor, Inc.

471