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A few tweaks to the "Differences between various standard modes" 

section.

llvm-svn: 72501
This commit is contained in:
Eli Friedman 2009-05-27 23:02:57 +00:00
parent 259109f9df
commit b5f33c1634
1 changed files with 5 additions and 4 deletions
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9
clang/docs/UsersManual.html
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@ -504,8 +504,8 @@ for those modes. If no -std option is specified, clang defaults to gnu99 mode.
<p>Differences between all c* and gnu* modes:</p>
<ul>
<li>c* modes define "__STRICT_ANSI__".</li>
<li>Target-specific defines not prefixed by underscores, like "linux", are defined
in gnu* modes.</li>
<li>Target-specific defines not prefixed by underscores, like "linux", are
defined in gnu* modes.</li>
<li>Trigraphs default to being off in gnu* modes; they can be enabled by the
-trigraphs option.</li>
<li>The parser recognizes "asm" and "typeof" as keywords in gnu* modes; the
@ -521,11 +521,12 @@ option.</li>
<li>The *99 modes default to implementing "inline" as specified in C99, while
the *89 modes implement the GNU version. This can be overridden for individual
functions with the __gnu_inline__ attribute.</li>
<li>Digraphs are enabled in the *99 modes.</li>
<li>Digraphs are not recognized in c89 mode.</li>
<li>The scope of names defined inside a "for", "if", "switch", "while", or "do"
statement is different. (example: "if ((struct x {int x;}*)0) {}".)</li>
<li>__STDC_VERSION__ is not defined in *89 modes.</li>
<li>"inline" and "restrict" are not recognized as keywords in c89 mode.</li>
<li>"inline" is not recognized as a keyword in c89 mode.</li>
<li>"restrict" is not recognized as a keyword in *89 modes.</li>
<li>Commas are allowed in integer constant expressions in *99 modes.</li>
<li>Arrays which are not lvalues are not implicitly promoted to pointers in
*89 modes.</li>