AN3350 datasheet(134/185 Pages) STMICROELECTRONICS

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Pragmas for language translation

AN3350

134/185

Doc ID 018512 Rev 2

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

●

Forward declarations of arrays of incomplete type

●

Forward declarations of empty static arrays

●

Pre-C99 designated initializer syntax (deprecated)

●

shortened conditional expression (c ?: y)

●

long __builtin_expect (long exp, long c) now accepted

By default, this pragma is disabled.

18.6

mark

Adds an item to the function pop-up menu in the IDE editor.

Syntax

#pragma mark

itemName

Remarks

This pragma adds itemName to the source file’s Function pop-up menu. Note that if the

pragma is inside a function definition, the item does not appear in the Function pop-up

menu.

If itemName begins with “--”, a menu separator appears in the IDE’s Function pop-up

menu:

#pragma mark --

This pragma does not correspond to any panel setting.

18.7

mpwc_newline

Controls the use of newline character convention.

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