Commita2c8e5c

committed

Add support for static assertions in C++

This allows modules written in C++ to use or include header files thatuse StaticAssertStmt() etc.Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>

1 parent0689dc3 commita2c8e5cCopy full SHA for a2c8e5c

File tree

+14

-0

lines changed

+14

-0

lines changed

Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -754,6 +754,7 @@ typedef NameData *Name;`
`754`	`754`	`* about a negative width for a struct bit-field. This will not include a`
`755`	`755`	`* helpful error message, but it beats not getting an error at all.`
`756`	`756`	`*/`
	`757`	`+#ifndef__cplusplus`
`757`	`758`	`#ifdefHAVE__STATIC_ASSERT`
`758`	`759`	`#defineStaticAssertStmt(condition,errmessage) \`
`759`	`760`	`do { _Static_assert(condition, errmessage); } while(0)`
`@@ -765,6 +766,19 @@ typedef NameData *Name;`
`765`	`766`	`#defineStaticAssertExpr(condition,errmessage) \`
`766`	`767`	`StaticAssertStmt(condition, errmessage)`
`767`	`768`	`#endif/* HAVE__STATIC_ASSERT */`
	`769`	`+#else/* C++ */`
	`770`	`+#if defined(__cpp_static_assert)&&__cpp_static_assert >=200410`
	`771`	`+#defineStaticAssertStmt(condition,errmessage) \`
	`772`	`+static_assert(condition, errmessage)`
	`773`	`+#defineStaticAssertExpr(condition,errmessage) \`
	`774`	`+StaticAssertStmt(condition, errmessage)`
	`775`	`+#else`
	`776`	`+#defineStaticAssertStmt(condition,errmessage) \`
	`777`	`+do { struct static_assert_struct { int static_assert_failure : (condition) ? 1 : -1; }; } while(0)`
	`778`	`+#defineStaticAssertExpr(condition,errmessage) \`
	`779`	`+({ StaticAssertStmt(condition, errmessage); })`
	`780`	`+#endif`
	`781`	`+#endif/* C++ */`
`768`	`782`
`769`	`783`
`770`	`784`	`/*`

Comments

(0)