[ASTMatchers] Add support of hasCondition for SwitchStmt.
Summary:
The switch statement could be added to the hasCondition matcher.
Example:
```
clang-query> match switchStmt(hasCondition(ignoringImpCasts(declRefExpr())))
```
Output:
```
Match #1:
Binding for "root":
SwitchStmt 0x2f9b528 </usr/local/google/home/etienneb/examples/enum.cc:35:3, line:38:3>
|-<<<NULL>>>
|-ImplicitCastExpr 0x2f9b510 <line:35:11> 'int' <IntegralCast>
| `-ImplicitCastExpr 0x2f9b4f8 <col:11> 'enum Color' <LValueToRValue>
| `-DeclRefExpr 0x2f9b4d0 <col:11> 'enum Color' lvalue Var 0x2f9a118 'C' 'enum Color'
`-CompoundStmt 0x2f9b610 <col:14, line:38:3>
|-CaseStmt 0x2f9b578 <line:36:3, col:22>
| |-ImplicitCastExpr 0x2f9b638 <col:8> 'int' <IntegralCast>
| | `-DeclRefExpr 0x2f9b550 <col:8> 'enum Size' EnumConstant 0x2f99e40 'Small' 'enum Size'
| |-<<<NULL>>>
| `-ReturnStmt 0x2f9b5d0 <col:15, col:22>
| `-IntegerLiteral 0x2f9b5b0 <col:22> 'int' 1
`-DefaultStmt 0x2f9b5f0 <line:37:3, col:12>
`-BreakStmt 0x2f9b5e8 <col:12>
1 match.
```
Reviewers: aaron.ballman, sbenza, klimek
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D20767
llvm-svn: 271208
diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
index 27e934c..433ba78 100644
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -3536,9 +3536,9 @@
</pre></td></tr>
-<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>></td><td class="name" onclick="toggle('hasCondition4')"><a name="hasCondition4Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
-<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
-or conditional operator.
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1AbstractConditionalOperator.html">AbstractConditionalOperator</a>></td><td class="name" onclick="toggle('hasCondition5')"><a name="hasCondition5Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
+<tr><td colspan="4" class="doc" id="hasCondition5"><pre>Matches the condition expression of an if statement, for loop,
+switch statement or conditional operator.
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
if (true) {}
@@ -4293,7 +4293,7 @@
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1DoStmt.html">DoStmt</a>></td><td class="name" onclick="toggle('hasCondition3')"><a name="hasCondition3Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
<tr><td colspan="4" class="doc" id="hasCondition3"><pre>Matches the condition expression of an if statement, for loop,
-or conditional operator.
+switch statement or conditional operator.
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
if (true) {}
@@ -4476,7 +4476,7 @@
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1ForStmt.html">ForStmt</a>></td><td class="name" onclick="toggle('hasCondition1')"><a name="hasCondition1Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
<tr><td colspan="4" class="doc" id="hasCondition1"><pre>Matches the condition expression of an if statement, for loop,
-or conditional operator.
+switch statement or conditional operator.
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
if (true) {}
@@ -4554,7 +4554,7 @@
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1IfStmt.html">IfStmt</a>></td><td class="name" onclick="toggle('hasCondition0')"><a name="hasCondition0Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
<tr><td colspan="4" class="doc" id="hasCondition0"><pre>Matches the condition expression of an if statement, for loop,
-or conditional operator.
+switch statement or conditional operator.
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
if (true) {}
@@ -5052,6 +5052,15 @@
</pre></td></tr>
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1SwitchStmt.html">SwitchStmt</a>></td><td class="name" onclick="toggle('hasCondition4')"><a name="hasCondition4Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
+<tr><td colspan="4" class="doc" id="hasCondition4"><pre>Matches the condition expression of an if statement, for loop,
+switch statement or conditional operator.
+
+Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
+ if (true) {}
+</pre></td></tr>
+
+
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1TagType.html">TagType</a>></td><td class="name" onclick="toggle('hasDeclaration4')"><a name="hasDeclaration4Anchor">hasDeclaration</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Decl.html">Decl</a>> InnerMatcher</td></tr>
<tr><td colspan="4" class="doc" id="hasDeclaration4"><pre>Matches a node if the declaration associated with that node
matches the given matcher.
@@ -5385,7 +5394,7 @@
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1WhileStmt.html">WhileStmt</a>></td><td class="name" onclick="toggle('hasCondition2')"><a name="hasCondition2Anchor">hasCondition</a></td><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
<tr><td colspan="4" class="doc" id="hasCondition2"><pre>Matches the condition expression of an if statement, for loop,
-or conditional operator.
+switch statement or conditional operator.
Example matches true (matcher = hasCondition(cxxBoolLiteral(equals(true))))
if (true) {}