SLAU132V User guide | 德州仪器 TI.com.cn

SLAU132V October 2004 – February 2020

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5.12.9 The Diagnostic Message Pragmas

The following pragmas can be used to control diagnostic messages in the same ways as the corresponding command line options:

Pragma	Option	Description
diag_suppress num	-pds=num[, num₂, num₃...]	Suppress diagnostic num
diag_remark num	-pdsr=num[, num₂, num₃...]	Treat diagnostic num as a remark
diag_warning num	-pdsw=num[, num₂, num₃...]	Treat diagnostic num as a warning
diag_error num	-pdse=num[, num₂, num₃...]	Treat diagnostic num as an error
diag_default num	n/a	Use default severity of the diagnostic
diag_push	n/a	Push the current diagnostics severity state to store it for later use.
diag_pop	n/a	Pop the most recent diagnostic severity state stored with #pragma diag_push to be the current setting.

The syntax of the diag_suppress, diag_remark, diag_warning, and diag_error pragmas in C is:

#pragma diag_xxx [=]num[, num₂, num₃...]

Notice that the names of these pragmas are in lowercase.

The diagnostic affected (num) is specified using either an error number or an error tag name. The equal sign (=) is optional. Any diagnostic can be overridden to be an error, but only diagnostic messages with a severity of discretionary error or below can have their severity reduced to a warning or below, or be suppressed. The diag_default pragma is used to return the severity of a diagnostic to the one that was in effect before any pragmas were issued (i.e., the normal severity of the message as modified by any command-line options).

The diagnostic identifier number is output with the message when you use the -pden command line option. The following example suppresses a diagnostic message and then restores the previous diagnostics severity state:

#pragma diag_push
#pragma diag_suppress 551 
#pragma CHECK_MISRA("-9.1")
#pragma diag_pop