r261221 - Add an AST matcher for real floating-point types. e.g., float, double, long double, but not complex.
Aaron Ballman via cfe-commits
cfe-commits at lists.llvm.org
Thu Feb 18 08:36:01 PST 2016
Author: aaronballman
Date: Thu Feb 18 10:36:01 2016
New Revision: 261221
URL: http://llvm.org/viewvc/llvm-project?rev=261221&view=rev
Log:
Add an AST matcher for real floating-point types. e.g., float, double, long double, but not complex.
Modified:
cfe/trunk/docs/LibASTMatchersReference.html
cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
Modified: cfe/trunk/docs/LibASTMatchersReference.html
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LibASTMatchersReference.html?rev=261221&r1=261220&r2=261221&view=diff
==============================================================================
--- cfe/trunk/docs/LibASTMatchersReference.html (original)
+++ cfe/trunk/docs/LibASTMatchersReference.html Thu Feb 18 10:36:01 2016
@@ -2176,23 +2176,6 @@ fieldDecl(isPublic())
</pre></td></tr>
-<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>></td><td class="name" onclick="toggle('nullPointerConstant0')"><a name="nullPointerConstant0Anchor">nullPointerConstant</a></td><td></td></tr>
-<tr><td colspan="4" class="doc" id="nullPointerConstant0"><pre>Matches expressions that resolve to a null pointer constant, such as
-GNU's __null, C++11's nullptr, or C's NULL macro.
-
-Given:
- void *v1 = NULL;
- void *v2 = nullptr;
- void *v3 = __null; GNU extension
- char *cp = (char *)0;
- int *ip = 0;
- int i = 0;
-expr(nullPointerConstant())
- matches the initializer for v1, v2, v3, cp, and ip. Does not match the
- initializer for i.
-</pre></td></tr>
-
-
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1FloatingLiteral.html">FloatingLiteral</a>></td><td class="name" onclick="toggle('equals1')"><a name="equals1Anchor">equals</a></td><td>ValueT Value</td></tr>
<tr><td colspan="4" class="doc" id="equals1"><pre>Matches literals that are equal to the given value.
@@ -2429,7 +2412,7 @@ memberExpr(isArrow())
</pre></td></tr>
-<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasName0')"><a name="hasName0Anchor">hasName</a></td><td>std::string Name</td></tr>
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1NamedDecl.html">NamedDecl</a>></td><td class="name" onclick="toggle('hasName0')"><a name="hasName0Anchor">hasName</a></td><td>std::string Name</td></tr>
<tr><td colspan="4" class="doc" id="hasName0"><pre>Matches NamedDecl nodes that have the specified name.
Supports specifying enclosing namespaces or classes by prefixing the name
@@ -2621,6 +2604,17 @@ matches "a(char)", "b(wchar_t)", but not
</pre></td></tr>
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isAnyPointer0')"><a name="isAnyPointer0Anchor">isAnyPointer</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="isAnyPointer0"><pre>Matches QualType nodes that are of any pointer type.
+
+Given
+ int *i = nullptr;
+ int j;
+varDecl(hasType(isAnyPointer()))
+ matches "int *i", but not "int j".
+</pre></td></tr>
+
+
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1QualType.html">QualType</a>></td><td class="name" onclick="toggle('isConstQualified0')"><a name="isConstQualified0Anchor">isConstQualified</a></td><td></td></tr>
<tr><td colspan="4" class="doc" id="isConstQualified0"><pre>Matches QualType nodes that are const-qualified, i.e., that
include "top-level" const.
@@ -2894,6 +2888,17 @@ and reference to that variable declarati
</pre></td></tr>
+<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('realFloatingPointType0')"><a name="realFloatingPointType0Anchor">realFloatingPointType</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="realFloatingPointType0"><pre>Matches any real floating-point type (float, double, long double).
+
+Given
+ int i;
+ float f;
+realFloatingPointType()
+ matches "float f" but not "int i"
+</pre></td></tr>
+
+
<tr><td>Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Type.html">Type</a>></td><td class="name" onclick="toggle('voidType0')"><a name="voidType0Anchor">voidType</a></td><td></td></tr>
<tr><td colspan="4" class="doc" id="voidType0"><pre>Matches type void.
@@ -3080,6 +3085,23 @@ functionDecl(isInstantiated())
</pre></td></tr>
+<tr><td>Matcher<internal::Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>>></td><td class="name" onclick="toggle('nullPointerConstant0')"><a name="nullPointerConstant0Anchor">nullPointerConstant</a></td><td></td></tr>
+<tr><td colspan="4" class="doc" id="nullPointerConstant0"><pre>Matches expressions that resolve to a null pointer constant, such as
+GNU's __null, C++11's nullptr, or C's NULL macro.
+
+Given:
+ void *v1 = NULL;
+ void *v2 = nullptr;
+ void *v3 = __null; GNU extension
+ char *cp = (char *)0;
+ int *ip = 0;
+ int i = 0;
+expr(nullPointerConstant())
+ matches the initializer for v1, v2, v3, cp, and ip. Does not match the
+ initializer for i.
+</pre></td></tr>
+
+
<tr><td>Matcher<internal::Matcher<<a href="http://clang.llvm.org/doxygen/classclang_1_1Stmt.html">Stmt</a>>></td><td class="name" onclick="toggle('isInTemplateInstantiation0')"><a name="isInTemplateInstantiation0Anchor">isInTemplateInstantiation</a></td><td></td></tr>
<tr><td colspan="4" class="doc" id="isInTemplateInstantiation0"><pre>Matches statements inside of a template instantiation.
Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=261221&r1=261220&r2=261221&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Thu Feb 18 10:36:01 2016
@@ -3961,6 +3961,19 @@ AST_TYPE_MATCHER(ArrayType, arrayType);
/// matches "_Complex float f"
AST_TYPE_MATCHER(ComplexType, complexType);
+/// \brief Matches any real floating-point type (float, double, long double).
+///
+/// Given
+/// \code
+/// int i;
+/// float f;
+/// \endcode
+/// realFloatingPointType()
+/// matches "float f" but not "int i"
+AST_MATCHER(Type, realFloatingPointType) {
+ return Node.isRealFloatingType();
+}
+
/// \brief Matches arrays and C99 complex types that have a specific element
/// type.
///
Modified: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp?rev=261221&r1=261220&r2=261221&view=diff
==============================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp (original)
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp Thu Feb 18 10:36:01 2016
@@ -342,6 +342,7 @@ RegistryMaps::RegistryMaps() {
REGISTER_MATCHER(pointee);
REGISTER_MATCHER(pointerType);
REGISTER_MATCHER(qualType);
+ REGISTER_MATCHER(realFloatingPointType);
REGISTER_MATCHER(recordDecl);
REGISTER_MATCHER(recordType);
REGISTER_MATCHER(referenceType);
Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=261221&r1=261220&r2=261221&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Thu Feb 18 10:36:01 2016
@@ -4415,6 +4415,15 @@ TEST(TypeMatching, MatchesVoid) {
cxxMethodDecl(returns(voidType()))));
}
+TEST(TypeMatching, MatchesRealFloats) {
+ EXPECT_TRUE(matches("struct S { float func(); };",
+ cxxMethodDecl(returns(realFloatingPointType()))));
+ EXPECT_TRUE(notMatches("struct S { int func(); };",
+ cxxMethodDecl(returns(realFloatingPointType()))));
+ EXPECT_TRUE(matches("struct S { long double func(); };",
+ cxxMethodDecl(returns(realFloatingPointType()))));
+}
+
TEST(TypeMatching, MatchesArrayTypes) {
EXPECT_TRUE(matches("int a[] = {2,3};", arrayType()));
EXPECT_TRUE(matches("int a[42];", arrayType()));
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