Consistently format sample diagnostics on this page.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174126 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/compatibility.html b/www/compatibility.html
index 725c52f..de864ed 100644
--- a/www/compatibility.html
+++ b/www/compatibility.html
@@ -188,10 +188,9 @@
different type. Clang produces an error on similar code, e.g.,</p>
<pre>
-lvalue.c:2:3: error: assignment to cast is illegal, lvalue casts are not
- supported
+<b>lvalue.c:2:3: <span class="error">error:</span> assignment to cast is illegal, lvalue casts are not supported</b>
(int*)addr = val;
- ^~~~~~~~~~ ~
+<span class="caret"> ^~~~~~~~~~ ~</span>
</pre>
<p>To fix this problem, move the cast to the right-hand side. In this
@@ -232,12 +231,12 @@
code with a hard error:</p>
<pre>
-t.c:3:5: error: goto into protected scope
+<b>t.c:3:5: <span class="error">error:</span> goto into protected scope</b>
goto error;
- ^
-t.c:5:15: note: jump bypasses setup of __block variable
+<span class="caret"> ^</span>
+<b>t.c:5:15: <span class="note">note:</note></b> jump bypasses setup of __block variable
__block int result;
- ^
+<span class="caret"> ^</span>
</pre>
<p>The fix is to rewrite the code to not require jumping into a
@@ -308,10 +307,9 @@
</p>
<pre>
-<inline asm>:3:1: error: ambiguous instructions require an explicit suffix (could be 'addb', 'addw', 'addl', or 'addq')
+<b><inline asm>:3:1: <span class="error">error:</span> ambiguous instructions require an explicit suffix (could be 'addb', 'addw', 'addl', or 'addq')</b>
add $4, (%rax)
-^
-1 error generated.
+<span class="caret">^</span>
</pre>
<p>To fix this compatibility issue, add an explicit suffix to the instruction:
@@ -331,9 +329,9 @@
type-cast of <code>super</code>:</p>
<pre>
-super.m:11:12: error: cannot cast 'super' (it isn't an expression)
+<b>super.m:11:12: <span class="error">error:</span> cannot cast 'super' (it isn't an expression)</b>
[(Super*)super add:4];
- ~~~~~~~~^
+<span class="caret"> ~~~~~~~~^</span>
</pre>
<p>To fix this problem, remove the type cast, e.g.</p>
@@ -352,10 +350,9 @@
ABI:</p>
<pre>
-sizeof.m:4:14: error: invalid application of 'sizeof' to interface 'NSArray' in
- non-fragile ABI
+<b>sizeof.m:4:14: <span class="error">error:</span> invalid application of 'sizeof' to interface 'NSArray' in non-fragile ABI</b>
int size = sizeof(NSArray);
- ^ ~~~~~~~~~
+<span class="caret"> ^ ~~~~~~~~~</span>
</pre>
<p>Code that relies on the size of an Objective-C class is likely to
@@ -377,12 +374,12 @@
internal Objective-C structures as implementation detail and won't do implicit conversions:
<pre>
-t.mm:11:2: error: no matching function for call to 'f'
+<b>t.mm:11:2: <span class="error">error:</span> no matching function for call to 'f'</b>
f((struct objc_object *)p);
- ^
-t.mm:5:6: note: candidate function not viable: no known conversion from 'struct objc_object *' to 'id' for 1st argument
+<span class="caret"> ^</span>
+<b>t.mm:5:6: <span class="note">note:</note></b> candidate function not viable: no known conversion from 'struct objc_object *' to 'id' for 1st argument
void f(id x);
- ^
+<span class="caret"> ^</span>
</pre>
<p>Code should use types <tt>id</tt>, <tt>SEL</tt>, and <tt>Class</tt>
@@ -465,15 +462,16 @@
<p>Clang complains:
-<pre> <b>my_file.cpp:2:10: <span class="error">error:</span> call to function 'Multiply' that is neither visible in the template definition nor found by argument-dependent lookup</b>
- return Multiply(x, x);
- <span class="caret"> ^</span>
- <b>my_file.cpp:10:3: <span class="note">note:</span> in instantiation of function template specialization 'Squared<int>' requested here</b>
- Squared(5);
- <span class="caret"> ^</span>
- <b>my_file.cpp:5:5: <span class="note">note:</span> 'Multiply' should be declared prior to the call site</b>
- int Multiply(int x, int y) {
- <span class="caret"> ^</span>
+<pre>
+<b>my_file.cpp:2:10: <span class="error">error:</span> call to function 'Multiply' that is neither visible in the template definition nor found by argument-dependent lookup</b>
+ return Multiply(x, x);
+<span class="caret"> ^</span>
+<b>my_file.cpp:10:3: <span class="note">note:</span></b> in instantiation of function template specialization 'Squared<int>' requested here
+ Squared(5);
+<span class="caret"> ^</span>
+<b>my_file.cpp:5:5: <span class="note">note:</span></b> 'Multiply' should be declared prior to the call site
+int Multiply(int x, int y) {
+<span class="caret"> ^</span>
</pre>
<p>The C++ standard says that unqualified names like <q>Multiply</q>
@@ -526,15 +524,16 @@
<p>Again, Clang complains:</p>
-<pre> <b>my_file2.cpp:5:13: <span class="error">error:</span> call to function 'operator<<' that is neither visible in the template definition nor found by argument-dependent lookup</b>
- std::cout << value << "\n";
- <span class="caret"> ^</span>
- <b>my_file2.cpp:17:3: <span class="error">note:</span> in instantiation of function template specialization 'Dump<ns::Data>' requested here</b>
- Dump(ns::Data());
- <span class="caret"> ^</span>
- <b>my_file2.cpp:12:15: <span class="error">note:</span> 'operator<<' should be declared prior to the call site or in namespace 'ns'</b>
- std::ostream& operator<<(std::ostream& out, ns::Data data) {
- <span class="caret"> ^</span>
+<pre>
+<b>my_file2.cpp:5:13: <span class="error">error:</span> call to function 'operator<<' that is neither visible in the template definition nor found by argument-dependent lookup</b>
+ std::cout << value << "\n";
+<span class="caret"> ^</span>
+<b>my_file2.cpp:17:3: <span class="note">note:</span></b> in instantiation of function template specialization 'Dump<ns::Data>' requested here
+ Dump(ns::Data());
+<span class="caret"> ^</span>
+<b>my_file2.cpp:12:15: <span class="note">note:</span></b> 'operator<<' should be declared prior to the call site or in namespace 'ns'
+std::ostream& operator<<(std::ostream& out, ns::Data data) {
+<span class="caret"> ^</span>
</pre>
<p>Just like before, unqualified lookup didn't find any declarations
@@ -587,18 +586,18 @@
(when <tt>Derived</tt> is eventually instantiated):
<pre>
-my_file.cpp:8:5: error: use of undeclared identifier 'DoThis'
+<b>my_file.cpp:8:5: <span class="error">error:</span> use of undeclared identifier 'DoThis'</b>
DoThis(x);
- ^
+<span class="caret"> ^</span>
this->
-my_file.cpp:2:8: note: must qualify identifier to find this declaration in dependent base class
+<b>my_file.cpp:2:8: <span class="note">note:</note></b> must qualify identifier to find this declaration in dependent base class
void DoThis(T x) {}
- ^
-my_file.cpp:9:5: error: use of undeclared identifier 'DoThat'
+<span class="caret"> ^</span>
+<b>my_file.cpp:9:5: <span class="error">error:</span> use of undeclared identifier 'DoThat'</b>
DoThat(x);
- ^
+<span class="caret"> ^</span>
this->
-my_file.cpp:3:15: note: must qualify identifier to find this declaration in dependent base class
+<b>my_file.cpp:3:15: <span class="note">note:</note></b> must qualify identifier to find this declaration in dependent base class
static void DoThat(T x) {}
</pre>
@@ -820,13 +819,13 @@
<p>Clang produces the following error:</p>
<pre>
-downcast.mm:6:3: error: no matching function for call to 'f'
+<b>downcast.mm:6:3: <span class="error">error:</span> no matching function for call to 'f'</b>
f(p);
- ^
-downcast.mm:4:6: note: candidate function not viable: cannot convert from
+<span class="caret"> ^</span>
+<b>downcast.mm:4:6: <span class="note">note:</note></b> candidate function not viable: cannot convert from
superclass 'Base *' to subclass 'Derived *' for 1st argument
void f(Derived *p);
- ^
+<span class="caret"> ^</span>
</pre>
<p>If the downcast is actually correct (e.g., because the code has