参数资料
| 型号： | SW006015 |
| 厂商： | Microchip Technology |
| 文件页数： | 23/120页 |
| 文件大小： | 0K |
| 描述： | C COMPILER MPLAB C32 |
| 标准包装： | 1 |
| 类型： | 编译器 |
| 适用于相关产品： | PIC32 |
| 产品目录页面： | 659 (CN2011-ZH PDF) |
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Language Specifics
1.8.4
Options for Controlling Warnings and Errors
Warnings are diagnostic messages that report constructions that are not inherently
erroneous but that are risky or suggest there may have been an error.
You can request many specific warnings with options beginning -W , for example,
-Wimplicit, to request warnings on implicit declarations. Each of these specific
warning options also has a negative form beginning -Wno- to turn off warnings, for
example, -Wno-implicit . This manual lists only one of the two forms, whichever is
not the default.
The following options control the amount and kinds of warnings produced by the
MPLAB C32 C Compiler.
TABLE 1-5:
WARNING AND ERROR OPTIONS IMPLIED BY
-WALL
Option
-fsyntax-only
-pedantic
-pedantic-errors
-w
-Wall
-Wchar-subscripts
-Wcomment
-Wcomments
-Wdiv-by-zero
-Werror-implicit-
function-declaration
-Wformat
-Wimplicit
-Wimplicit-function-
declaration
-Wimplicit-int
-Wmain
-Wmissing-braces
? 2007 Microchip Technology Inc.
Definition
Check the code for syntax, but don’t do anything beyond that.
Issue all the warnings demanded by strict ANSI C. Reject all
programs that use forbidden extensions.
Like -pedantic , except that errors are produced rather than
warnings.
Inhibit all warning messages.
All of the -W options listed in this table combined. This
enables all the warnings about constructions that some users
consider questionable, and that are easy to avoid (or modify
to prevent the warning), even in conjunction with macros.
Warn if an array subscript has type char .
Warn whenever a comment-start sequence /* appears in a
/* comment, or whenever a Backslash-Newline appears in a
// comment.
Warn about compile-time integer division by zero. To inhibit
the warning messages, use -Wno-div-by-zero .
Floating-point division by zero is not warned about, as it can
be a legitimate way of obtaining infinities and NaNs.
(This is the default.)
Give an error whenever a function is used before being
declared.
Check calls to printf and scanf , etc., to make sure that
the arguments supplied have types appropriate to the format
string specified.
Equivalent to specifying both -Wimplicit-int and
-Wimplicit-function-declaration .
Give a warning whenever a function is used before being
declared.
Warn when a declaration does not specify a type.
Warn if the type of main is suspicious. main should be a
function with external linkage, returning int , taking either
zero, two or three arguments of appropriate types.
Warn if an aggregate or union initializer is not fully bracketed.
In the following example, the initializer for a is not fully
bracketed, but that for b is fully bracketed.
int a[2][2] = { 0, 1, 2, 3 };
int b[2][2] = { { 0, 1 }, { 2, 3 } };
DS51686A-page 19
相关PDF资料 |
PDF描述 |
|---|---|
| SW300003-EVAL | LIBRARY SOFT MODEM-EVAL ONLY |
| SW300010-EVAL | SPEECH RECOG LIBRARY-EVAL ONLY |
| SW300040-EVAL | LIBRARY NOISE SUPPR-EVAL ONLY |
| SW300060-EVAL | LIBRARY ACOUSTIC ECHO-EVAL ONLY |
| SW300070-EVAL | SOFTWARE LIBR ENC/DEC EVAL ONLY |
相关代理商/技术参数 |
参数描述 |
|---|---|
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| SW006021-2 | 制造商:Microchip Technology 功能描述:MPLAB XC8 PRO COMPILER WORKSTATION LICENSE 制造商:Microchip Technology Inc 功能描述:MPLAB XC8 PRO COMPILER - Boxed Product (Development Kits) 制造商:Microchip Technology Inc 功能描述:COMPILER MPLAB XC8 PRO 制造商:Microchip Technology Inc 功能描述:COMPILER, MPLAB XC8, PRO 制造商:Microchip Technology Inc 功能描述:MPLAB XC8 ANSI PRO Compiler for the PIC10 (12),(16),(18) (Workstation License) 制造商:Microchip Technology Inc 功能描述:MPLAB XC8 PRO Compiler 制造商:Microchip Technology Inc 功能描述:SOFTWARE TOOL, MPLAB XC8 PRO COMPILER; Core Architecture:PIC; Supported Families:PIC10, PIC16, PIC18; Software Edition:Linux; License Type:Floating - node; No. of User Licenses:1; Supported Hosts:- |
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| SW006021-2N | 功能描述:开发软件 MPLAB XC8 PRO Compiler (Fltng Lic) RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
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