1924 lines
77 KiB
C++
1924 lines
77 KiB
C++
// unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp - AST matcher unit tests//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ASTMatchersTest.h"
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#include "clang/AST/PrettyPrinter.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/Tooling/Tooling.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Host.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace ast_matchers {
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TEST(AllOf, AllOverloadsWork) {
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const char Program[] =
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"struct T { };"
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"int f(int, T*, int, int);"
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"void g(int x) { T t; f(x, &t, 3, 4); }";
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EXPECT_TRUE(matches(Program,
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callExpr(allOf(callee(functionDecl(hasName("f"))),
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hasArgument(0, declRefExpr(to(varDecl())))))));
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EXPECT_TRUE(matches(Program,
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callExpr(allOf(callee(functionDecl(hasName("f"))),
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hasArgument(0, declRefExpr(to(varDecl()))),
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hasArgument(1, hasType(pointsTo(
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recordDecl(hasName("T")))))))));
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EXPECT_TRUE(matches(Program,
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callExpr(allOf(callee(functionDecl(hasName("f"))),
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hasArgument(0, declRefExpr(to(varDecl()))),
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hasArgument(1, hasType(pointsTo(
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recordDecl(hasName("T"))))),
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hasArgument(2, integerLiteral(equals(3)))))));
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EXPECT_TRUE(matches(Program,
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callExpr(allOf(callee(functionDecl(hasName("f"))),
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hasArgument(0, declRefExpr(to(varDecl()))),
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hasArgument(1, hasType(pointsTo(
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recordDecl(hasName("T"))))),
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hasArgument(2, integerLiteral(equals(3))),
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hasArgument(3, integerLiteral(equals(4)))))));
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}
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TEST(DeclarationMatcher, MatchHas) {
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DeclarationMatcher HasClassX = recordDecl(has(recordDecl(hasName("X"))));
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EXPECT_TRUE(matches("class Y { class X {}; };", HasClassX));
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EXPECT_TRUE(matches("class X {};", HasClassX));
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DeclarationMatcher YHasClassX =
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recordDecl(hasName("Y"), has(recordDecl(hasName("X"))));
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EXPECT_TRUE(matches("class Y { class X {}; };", YHasClassX));
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EXPECT_TRUE(notMatches("class X {};", YHasClassX));
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EXPECT_TRUE(
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notMatches("class Y { class Z { class X {}; }; };", YHasClassX));
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}
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TEST(DeclarationMatcher, MatchHasRecursiveAllOf) {
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DeclarationMatcher Recursive =
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recordDecl(
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has(recordDecl(
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has(recordDecl(hasName("X"))),
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has(recordDecl(hasName("Y"))),
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hasName("Z"))),
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has(recordDecl(
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has(recordDecl(hasName("A"))),
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has(recordDecl(hasName("B"))),
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hasName("C"))),
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hasName("F"));
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EXPECT_TRUE(matches(
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"class F {"
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" class Z {"
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" class X {};"
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" class Y {};"
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" };"
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" class C {"
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" class A {};"
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" class B {};"
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" };"
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"};", Recursive));
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EXPECT_TRUE(matches(
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"class F {"
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" class Z {"
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" class A {};"
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" class X {};"
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" class Y {};"
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" };"
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" class C {"
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" class X {};"
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" class A {};"
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" class B {};"
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" };"
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"};", Recursive));
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EXPECT_TRUE(matches(
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"class O1 {"
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" class O2 {"
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" class F {"
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" class Z {"
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" class A {};"
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" class X {};"
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" class Y {};"
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" };"
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" class C {"
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" class X {};"
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" class A {};"
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" class B {};"
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" };"
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" };"
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" };"
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"};", Recursive));
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}
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TEST(DeclarationMatcher, MatchHasRecursiveAnyOf) {
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DeclarationMatcher Recursive =
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recordDecl(
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anyOf(
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has(recordDecl(
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anyOf(
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has(recordDecl(
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hasName("X"))),
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has(recordDecl(
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hasName("Y"))),
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hasName("Z")))),
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has(recordDecl(
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anyOf(
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hasName("C"),
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has(recordDecl(
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hasName("A"))),
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has(recordDecl(
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hasName("B")))))),
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hasName("F")));
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EXPECT_TRUE(matches("class F {};", Recursive));
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EXPECT_TRUE(matches("class Z {};", Recursive));
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EXPECT_TRUE(matches("class C {};", Recursive));
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EXPECT_TRUE(matches("class M { class N { class X {}; }; };", Recursive));
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EXPECT_TRUE(matches("class M { class N { class B {}; }; };", Recursive));
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EXPECT_TRUE(
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matches("class O1 { class O2 {"
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" class M { class N { class B {}; }; }; "
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"}; };", Recursive));
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}
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TEST(DeclarationMatcher, MatchNot) {
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DeclarationMatcher NotClassX =
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cxxRecordDecl(
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isDerivedFrom("Y"),
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unless(hasName("X")));
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EXPECT_TRUE(notMatches("", NotClassX));
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EXPECT_TRUE(notMatches("class Y {};", NotClassX));
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EXPECT_TRUE(matches("class Y {}; class Z : public Y {};", NotClassX));
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EXPECT_TRUE(notMatches("class Y {}; class X : public Y {};", NotClassX));
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EXPECT_TRUE(
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notMatches("class Y {}; class Z {}; class X : public Y {};",
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NotClassX));
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DeclarationMatcher ClassXHasNotClassY =
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recordDecl(
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hasName("X"),
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has(recordDecl(hasName("Z"))),
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unless(
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has(recordDecl(hasName("Y")))));
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EXPECT_TRUE(matches("class X { class Z {}; };", ClassXHasNotClassY));
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EXPECT_TRUE(notMatches("class X { class Y {}; class Z {}; };",
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ClassXHasNotClassY));
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DeclarationMatcher NamedNotRecord =
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namedDecl(hasName("Foo"), unless(recordDecl()));
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EXPECT_TRUE(matches("void Foo(){}", NamedNotRecord));
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EXPECT_TRUE(notMatches("struct Foo {};", NamedNotRecord));
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}
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TEST(CastExpression, HasCastKind) {
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EXPECT_TRUE(matches("char *p = 0;",
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castExpr(hasCastKind(CK_NullToPointer))));
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EXPECT_TRUE(notMatches("char *p = 0;",
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castExpr(hasCastKind(CK_DerivedToBase))));
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EXPECT_TRUE(matches("char *p = 0;",
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implicitCastExpr(hasCastKind(CK_NullToPointer))));
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}
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TEST(DeclarationMatcher, HasDescendant) {
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DeclarationMatcher ZDescendantClassX =
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recordDecl(
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hasDescendant(recordDecl(hasName("X"))),
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hasName("Z"));
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EXPECT_TRUE(matches("class Z { class X {}; };", ZDescendantClassX));
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EXPECT_TRUE(
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matches("class Z { class Y { class X {}; }; };", ZDescendantClassX));
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EXPECT_TRUE(
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matches("class Z { class A { class Y { class X {}; }; }; };",
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ZDescendantClassX));
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EXPECT_TRUE(
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matches("class Z { class A { class B { class Y { class X {}; }; }; }; };",
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ZDescendantClassX));
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EXPECT_TRUE(notMatches("class Z {};", ZDescendantClassX));
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DeclarationMatcher ZDescendantClassXHasClassY =
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recordDecl(
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hasDescendant(recordDecl(has(recordDecl(hasName("Y"))),
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hasName("X"))),
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hasName("Z"));
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EXPECT_TRUE(matches("class Z { class X { class Y {}; }; };",
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ZDescendantClassXHasClassY));
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EXPECT_TRUE(
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matches("class Z { class A { class B { class X { class Y {}; }; }; }; };",
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ZDescendantClassXHasClassY));
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EXPECT_TRUE(notMatches(
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"class Z {"
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" class A {"
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" class B {"
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" class X {"
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" class C {"
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" class Y {};"
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" };"
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" };"
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" }; "
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" };"
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"};", ZDescendantClassXHasClassY));
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DeclarationMatcher ZDescendantClassXDescendantClassY =
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recordDecl(
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hasDescendant(recordDecl(hasDescendant(recordDecl(hasName("Y"))),
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hasName("X"))),
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hasName("Z"));
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EXPECT_TRUE(
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matches("class Z { class A { class X { class B { class Y {}; }; }; }; };",
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ZDescendantClassXDescendantClassY));
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EXPECT_TRUE(matches(
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"class Z {"
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" class A {"
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" class X {"
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" class B {"
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" class Y {};"
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" };"
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" class Y {};"
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" };"
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" };"
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"};", ZDescendantClassXDescendantClassY));
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}
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TEST(DeclarationMatcher, HasDescendantMemoization) {
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DeclarationMatcher CannotMemoize =
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decl(hasDescendant(typeLoc().bind("x")), has(decl()));
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EXPECT_TRUE(matches("void f() { int i; }", CannotMemoize));
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}
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TEST(DeclarationMatcher, HasDescendantMemoizationUsesRestrictKind) {
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auto Name = hasName("i");
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auto VD = internal::Matcher<VarDecl>(Name).dynCastTo<Decl>();
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auto RD = internal::Matcher<RecordDecl>(Name).dynCastTo<Decl>();
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// Matching VD first should not make a cache hit for RD.
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EXPECT_TRUE(notMatches("void f() { int i; }",
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decl(hasDescendant(VD), hasDescendant(RD))));
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EXPECT_TRUE(notMatches("void f() { int i; }",
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decl(hasDescendant(RD), hasDescendant(VD))));
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// Not matching RD first should not make a cache hit for VD either.
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EXPECT_TRUE(matches("void f() { int i; }",
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decl(anyOf(hasDescendant(RD), hasDescendant(VD)))));
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}
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TEST(DeclarationMatcher, HasAncestorMemoization) {
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// This triggers an hasAncestor with a TemplateArgument in the bound nodes.
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// That node can't be memoized so we have to check for it before trying to put
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// it on the cache.
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DeclarationMatcher CannotMemoize = classTemplateSpecializationDecl(
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hasAnyTemplateArgument(templateArgument().bind("targ")),
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forEach(fieldDecl(hasAncestor(forStmt()))));
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EXPECT_TRUE(notMatches("template <typename T> struct S;"
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"template <> struct S<int>{ int i; int j; };",
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CannotMemoize));
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}
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TEST(DeclarationMatcher, HasAttr) {
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EXPECT_TRUE(matches("struct __attribute__((warn_unused)) X {};",
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decl(hasAttr(clang::attr::WarnUnused))));
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EXPECT_FALSE(matches("struct X {};",
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decl(hasAttr(clang::attr::WarnUnused))));
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}
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TEST(DeclarationMatcher, MatchAnyOf) {
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DeclarationMatcher YOrZDerivedFromX = cxxRecordDecl(
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anyOf(hasName("Y"), allOf(isDerivedFrom("X"), hasName("Z"))));
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EXPECT_TRUE(matches("class X {}; class Z : public X {};", YOrZDerivedFromX));
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EXPECT_TRUE(matches("class Y {};", YOrZDerivedFromX));
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EXPECT_TRUE(
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notMatches("class X {}; class W : public X {};", YOrZDerivedFromX));
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EXPECT_TRUE(notMatches("class Z {};", YOrZDerivedFromX));
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DeclarationMatcher XOrYOrZOrU =
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recordDecl(anyOf(hasName("X"), hasName("Y"), hasName("Z"), hasName("U")));
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EXPECT_TRUE(matches("class X {};", XOrYOrZOrU));
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EXPECT_TRUE(notMatches("class V {};", XOrYOrZOrU));
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DeclarationMatcher XOrYOrZOrUOrV =
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recordDecl(anyOf(hasName("X"), hasName("Y"), hasName("Z"), hasName("U"),
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hasName("V")));
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EXPECT_TRUE(matches("class X {};", XOrYOrZOrUOrV));
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EXPECT_TRUE(matches("class Y {};", XOrYOrZOrUOrV));
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EXPECT_TRUE(matches("class Z {};", XOrYOrZOrUOrV));
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EXPECT_TRUE(matches("class U {};", XOrYOrZOrUOrV));
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EXPECT_TRUE(matches("class V {};", XOrYOrZOrUOrV));
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EXPECT_TRUE(notMatches("class A {};", XOrYOrZOrUOrV));
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StatementMatcher MixedTypes = stmt(anyOf(ifStmt(), binaryOperator()));
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EXPECT_TRUE(matches("int F() { return 1 + 2; }", MixedTypes));
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EXPECT_TRUE(matches("int F() { if (true) return 1; }", MixedTypes));
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EXPECT_TRUE(notMatches("int F() { return 1; }", MixedTypes));
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EXPECT_TRUE(
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matches("void f() try { } catch (int) { } catch (...) { }",
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cxxCatchStmt(anyOf(hasDescendant(varDecl()), isCatchAll()))));
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}
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TEST(DeclarationMatcher, ClassIsDerived) {
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DeclarationMatcher IsDerivedFromX = cxxRecordDecl(isDerivedFrom("X"));
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EXPECT_TRUE(matches("class X {}; class Y : public X {};", IsDerivedFromX));
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EXPECT_TRUE(notMatches("class X {};", IsDerivedFromX));
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EXPECT_TRUE(notMatches("class X;", IsDerivedFromX));
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EXPECT_TRUE(notMatches("class Y;", IsDerivedFromX));
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EXPECT_TRUE(notMatches("", IsDerivedFromX));
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DeclarationMatcher IsAX = cxxRecordDecl(isSameOrDerivedFrom("X"));
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EXPECT_TRUE(matches("class X {}; class Y : public X {};", IsAX));
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EXPECT_TRUE(matches("class X {};", IsAX));
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EXPECT_TRUE(matches("class X;", IsAX));
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EXPECT_TRUE(notMatches("class Y;", IsAX));
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EXPECT_TRUE(notMatches("", IsAX));
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DeclarationMatcher ZIsDerivedFromX =
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cxxRecordDecl(hasName("Z"), isDerivedFrom("X"));
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EXPECT_TRUE(
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matches("class X {}; class Y : public X {}; class Z : public Y {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {};"
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"template<class T> class Y : public X {};"
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"class Z : public Y<int> {};", ZIsDerivedFromX));
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EXPECT_TRUE(matches("class X {}; template<class T> class Z : public X {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class T> class X {}; "
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"template<class T> class Z : public X<T> {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class T, class U=T> class X {}; "
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"template<class T> class Z : public X<T> {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<class X> class A { class Z : public X {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class X> class A { public: class Z : public X {}; }; "
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"class X{}; void y() { A<X>::Z z; }", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template <class T> class X {}; "
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"template<class Y> class A { class Z : public X<Y> {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<template<class T> class X> class A { "
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" class Z : public X<int> {}; };", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<template<class T> class X> class A { "
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" public: class Z : public X<int> {}; }; "
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"template<class T> class X {}; void y() { A<X>::Z z; }",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<class X> class A { class Z : public X::D {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class X> class A { public: "
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" class Z : public X::D {}; }; "
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"class Y { public: class X {}; typedef X D; }; "
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"void y() { A<Y>::Z z; }", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {}; typedef X Y; class Z : public Y {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class T> class Y { typedef typename T::U X; "
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" class Z : public X {}; };", ZIsDerivedFromX));
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EXPECT_TRUE(matches("class X {}; class Z : public ::X {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<class T> class X {}; "
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"template<class T> class A { class Z : public X<T>::D {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class T> class X { public: typedef X<T> D; }; "
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"template<class T> class A { public: "
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" class Z : public X<T>::D {}; }; void y() { A<int>::Z z; }",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<class X> class A { class Z : public X::D::E {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {}; typedef X V; typedef V W; class Z : public W {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {}; class Y : public X {}; "
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"typedef Y V; typedef V W; class Z : public W {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("template<class T, class U> class X {}; "
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"template<class T> class A { class Z : public X<T, int> {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template<class X> class D { typedef X A; typedef A B; "
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" typedef B C; class Z : public C {}; };",
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ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {}; typedef X A; typedef A B; "
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"class Z : public B {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class X {}; typedef X A; typedef A B; typedef B C; "
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"class Z : public C {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class U {}; typedef U X; typedef X V; "
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"class Z : public V {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class Base {}; typedef Base X; "
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"class Z : public Base {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class Base {}; typedef Base Base2; typedef Base2 X; "
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"class Z : public Base {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("class Base {}; class Base2 {}; typedef Base2 X; "
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"class Z : public Base {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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matches("class A {}; typedef A X; typedef A Y; "
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"class Z : public Y {};", ZIsDerivedFromX));
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EXPECT_TRUE(
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notMatches("template <typename T> class Z;"
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"template <> class Z<void> {};"
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"template <typename T> class Z : public Z<void> {};",
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IsDerivedFromX));
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EXPECT_TRUE(
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matches("template <typename T> class X;"
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"template <> class X<void> {};"
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"template <typename T> class X : public X<void> {};",
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IsDerivedFromX));
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EXPECT_TRUE(matches(
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"class X {};"
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"template <typename T> class Z;"
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"template <> class Z<void> {};"
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"template <typename T> class Z : public Z<void>, public X {};",
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ZIsDerivedFromX));
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EXPECT_TRUE(
|
|
notMatches("template<int> struct X;"
|
|
"template<int i> struct X : public X<i-1> {};",
|
|
cxxRecordDecl(isDerivedFrom(recordDecl(hasName("Some"))))));
|
|
EXPECT_TRUE(matches(
|
|
"struct A {};"
|
|
"template<int> struct X;"
|
|
"template<int i> struct X : public X<i-1> {};"
|
|
"template<> struct X<0> : public A {};"
|
|
"struct B : public X<42> {};",
|
|
cxxRecordDecl(hasName("B"), isDerivedFrom(recordDecl(hasName("A"))))));
|
|
|
|
// FIXME: Once we have better matchers for template type matching,
|
|
// get rid of the Variable(...) matching and match the right template
|
|
// declarations directly.
|
|
const char *RecursiveTemplateOneParameter =
|
|
"class Base1 {}; class Base2 {};"
|
|
"template <typename T> class Z;"
|
|
"template <> class Z<void> : public Base1 {};"
|
|
"template <> class Z<int> : public Base2 {};"
|
|
"template <> class Z<float> : public Z<void> {};"
|
|
"template <> class Z<double> : public Z<int> {};"
|
|
"template <typename T> class Z : public Z<float>, public Z<double> {};"
|
|
"void f() { Z<float> z_float; Z<double> z_double; Z<char> z_char; }";
|
|
EXPECT_TRUE(matches(
|
|
RecursiveTemplateOneParameter,
|
|
varDecl(hasName("z_float"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base1")))))));
|
|
EXPECT_TRUE(notMatches(
|
|
RecursiveTemplateOneParameter,
|
|
varDecl(hasName("z_float"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base2")))))));
|
|
EXPECT_TRUE(matches(
|
|
RecursiveTemplateOneParameter,
|
|
varDecl(hasName("z_char"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base1"),
|
|
isDerivedFrom("Base2")))))));
|
|
|
|
const char *RecursiveTemplateTwoParameters =
|
|
"class Base1 {}; class Base2 {};"
|
|
"template <typename T1, typename T2> class Z;"
|
|
"template <typename T> class Z<void, T> : public Base1 {};"
|
|
"template <typename T> class Z<int, T> : public Base2 {};"
|
|
"template <typename T> class Z<float, T> : public Z<void, T> {};"
|
|
"template <typename T> class Z<double, T> : public Z<int, T> {};"
|
|
"template <typename T1, typename T2> class Z : "
|
|
" public Z<float, T2>, public Z<double, T2> {};"
|
|
"void f() { Z<float, void> z_float; Z<double, void> z_double; "
|
|
" Z<char, void> z_char; }";
|
|
EXPECT_TRUE(matches(
|
|
RecursiveTemplateTwoParameters,
|
|
varDecl(hasName("z_float"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base1")))))));
|
|
EXPECT_TRUE(notMatches(
|
|
RecursiveTemplateTwoParameters,
|
|
varDecl(hasName("z_float"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base2")))))));
|
|
EXPECT_TRUE(matches(
|
|
RecursiveTemplateTwoParameters,
|
|
varDecl(hasName("z_char"),
|
|
hasInitializer(hasType(cxxRecordDecl(isDerivedFrom("Base1"),
|
|
isDerivedFrom("Base2")))))));
|
|
EXPECT_TRUE(matches(
|
|
"namespace ns { class X {}; class Y : public X {}; }",
|
|
cxxRecordDecl(isDerivedFrom("::ns::X"))));
|
|
EXPECT_TRUE(notMatches(
|
|
"class X {}; class Y : public X {};",
|
|
cxxRecordDecl(isDerivedFrom("::ns::X"))));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"class X {}; class Y : public X {};",
|
|
cxxRecordDecl(isDerivedFrom(recordDecl(hasName("X")).bind("test")))));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"template<typename T> class X {};"
|
|
"template<typename T> using Z = X<T>;"
|
|
"template <typename T> class Y : Z<T> {};",
|
|
cxxRecordDecl(isDerivedFrom(namedDecl(hasName("X"))))));
|
|
}
|
|
|
|
TEST(DeclarationMatcher, IsLambda) {
|
|
const auto IsLambda = cxxMethodDecl(ofClass(cxxRecordDecl(isLambda())));
|
|
EXPECT_TRUE(matches("auto x = []{};", IsLambda));
|
|
EXPECT_TRUE(notMatches("struct S { void operator()() const; };", IsLambda));
|
|
}
|
|
|
|
TEST(Matcher, BindMatchedNodes) {
|
|
DeclarationMatcher ClassX = has(recordDecl(hasName("::X")).bind("x"));
|
|
|
|
EXPECT_TRUE(matchAndVerifyResultTrue("class X {};",
|
|
ClassX, llvm::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("x")));
|
|
|
|
EXPECT_TRUE(matchAndVerifyResultFalse("class X {};",
|
|
ClassX, llvm::make_unique<VerifyIdIsBoundTo<CXXRecordDecl>>("other-id")));
|
|
|
|
TypeMatcher TypeAHasClassB = hasDeclaration(
|
|
recordDecl(hasName("A"), has(recordDecl(hasName("B")).bind("b"))));
|
|
|
|
EXPECT_TRUE(matchAndVerifyResultTrue("class A { public: A *a; class B {}; };",
|
|
TypeAHasClassB,
|
|
llvm::make_unique<VerifyIdIsBoundTo<Decl>>("b")));
|
|
|
|
StatementMatcher MethodX =
|
|
callExpr(callee(cxxMethodDecl(hasName("x")))).bind("x");
|
|
|
|
EXPECT_TRUE(matchAndVerifyResultTrue("class A { void x() { x(); } };",
|
|
MethodX,
|
|
llvm::make_unique<VerifyIdIsBoundTo<CXXMemberCallExpr>>("x")));
|
|
}
|
|
|
|
TEST(Matcher, BindTheSameNameInAlternatives) {
|
|
StatementMatcher matcher = anyOf(
|
|
binaryOperator(hasOperatorName("+"),
|
|
hasLHS(expr().bind("x")),
|
|
hasRHS(integerLiteral(equals(0)))),
|
|
binaryOperator(hasOperatorName("+"),
|
|
hasLHS(integerLiteral(equals(0))),
|
|
hasRHS(expr().bind("x"))));
|
|
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
// The first branch of the matcher binds x to 0 but then fails.
|
|
// The second branch binds x to f() and succeeds.
|
|
"int f() { return 0 + f(); }",
|
|
matcher,
|
|
llvm::make_unique<VerifyIdIsBoundTo<CallExpr>>("x")));
|
|
}
|
|
|
|
TEST(Matcher, BindsIDForMemoizedResults) {
|
|
// Using the same matcher in two match expressions will make memoization
|
|
// kick in.
|
|
DeclarationMatcher ClassX = recordDecl(hasName("X")).bind("x");
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class A { class B { class X {}; }; };",
|
|
DeclarationMatcher(anyOf(
|
|
recordDecl(hasName("A"), hasDescendant(ClassX)),
|
|
recordDecl(hasName("B"), hasDescendant(ClassX)))),
|
|
llvm::make_unique<VerifyIdIsBoundTo<Decl>>("x", 2)));
|
|
}
|
|
|
|
TEST(HasType, MatchesAsString) {
|
|
EXPECT_TRUE(
|
|
matches("class Y { public: void x(); }; void z() {Y* y; y->x(); }",
|
|
cxxMemberCallExpr(on(hasType(asString("class Y *"))))));
|
|
EXPECT_TRUE(
|
|
matches("class X { void x(int x) {} };",
|
|
cxxMethodDecl(hasParameter(0, hasType(asString("int"))))));
|
|
EXPECT_TRUE(matches("namespace ns { struct A {}; } struct B { ns::A a; };",
|
|
fieldDecl(hasType(asString("ns::A")))));
|
|
EXPECT_TRUE(matches("namespace { struct A {}; } struct B { A a; };",
|
|
fieldDecl(hasType(asString("struct (anonymous namespace)::A")))));
|
|
}
|
|
|
|
TEST(Matcher, HasOperatorNameForOverloadedOperatorCall) {
|
|
StatementMatcher OpCallAndAnd =
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("&&"));
|
|
EXPECT_TRUE(matches("class Y { }; "
|
|
"bool operator&&(Y x, Y y) { return true; }; "
|
|
"Y a; Y b; bool c = a && b;", OpCallAndAnd));
|
|
StatementMatcher OpCallLessLess =
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("<<"));
|
|
EXPECT_TRUE(notMatches("class Y { }; "
|
|
"bool operator&&(Y x, Y y) { return true; }; "
|
|
"Y a; Y b; bool c = a && b;",
|
|
OpCallLessLess));
|
|
StatementMatcher OpStarCall =
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("*"));
|
|
EXPECT_TRUE(matches("class Y; int operator*(Y &); void f(Y &y) { *y; }",
|
|
OpStarCall));
|
|
DeclarationMatcher ClassWithOpStar =
|
|
cxxRecordDecl(hasMethod(hasOverloadedOperatorName("*")));
|
|
EXPECT_TRUE(matches("class Y { int operator*(); };",
|
|
ClassWithOpStar));
|
|
EXPECT_TRUE(notMatches("class Y { void myOperator(); };",
|
|
ClassWithOpStar)) ;
|
|
DeclarationMatcher AnyOpStar = functionDecl(hasOverloadedOperatorName("*"));
|
|
EXPECT_TRUE(matches("class Y; int operator*(Y &);", AnyOpStar));
|
|
EXPECT_TRUE(matches("class Y { int operator*(); };", AnyOpStar));
|
|
}
|
|
|
|
|
|
TEST(Matcher, NestedOverloadedOperatorCalls) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class Y { }; "
|
|
"Y& operator&&(Y& x, Y& y) { return x; }; "
|
|
"Y a; Y b; Y c; Y d = a && b && c;",
|
|
cxxOperatorCallExpr(hasOverloadedOperatorName("&&")).bind("x"),
|
|
llvm::make_unique<VerifyIdIsBoundTo<CXXOperatorCallExpr>>("x", 2)));
|
|
EXPECT_TRUE(matches("class Y { }; "
|
|
"Y& operator&&(Y& x, Y& y) { return x; }; "
|
|
"Y a; Y b; Y c; Y d = a && b && c;",
|
|
cxxOperatorCallExpr(hasParent(cxxOperatorCallExpr()))));
|
|
EXPECT_TRUE(
|
|
matches("class Y { }; "
|
|
"Y& operator&&(Y& x, Y& y) { return x; }; "
|
|
"Y a; Y b; Y c; Y d = a && b && c;",
|
|
cxxOperatorCallExpr(hasDescendant(cxxOperatorCallExpr()))));
|
|
}
|
|
|
|
TEST(Matcher, VarDecl_Storage) {
|
|
auto M = varDecl(hasName("X"), hasLocalStorage());
|
|
EXPECT_TRUE(matches("void f() { int X; }", M));
|
|
EXPECT_TRUE(notMatches("int X;", M));
|
|
EXPECT_TRUE(notMatches("void f() { static int X; }", M));
|
|
|
|
M = varDecl(hasName("X"), hasGlobalStorage());
|
|
EXPECT_TRUE(notMatches("void f() { int X; }", M));
|
|
EXPECT_TRUE(matches("int X;", M));
|
|
EXPECT_TRUE(matches("void f() { static int X; }", M));
|
|
}
|
|
|
|
TEST(Matcher, VarDecl_StorageDuration) {
|
|
std::string T =
|
|
"void f() { int x; static int y; } int a;";
|
|
|
|
EXPECT_TRUE(matches(T, varDecl(hasName("x"), hasAutomaticStorageDuration())));
|
|
EXPECT_TRUE(
|
|
notMatches(T, varDecl(hasName("y"), hasAutomaticStorageDuration())));
|
|
EXPECT_TRUE(
|
|
notMatches(T, varDecl(hasName("a"), hasAutomaticStorageDuration())));
|
|
|
|
EXPECT_TRUE(matches(T, varDecl(hasName("y"), hasStaticStorageDuration())));
|
|
EXPECT_TRUE(matches(T, varDecl(hasName("a"), hasStaticStorageDuration())));
|
|
EXPECT_TRUE(notMatches(T, varDecl(hasName("x"), hasStaticStorageDuration())));
|
|
|
|
// FIXME: It is really hard to test with thread_local itself because not all
|
|
// targets support TLS, which causes this to be an error depending on what
|
|
// platform the test is being run on. We do not have access to the TargetInfo
|
|
// object to be able to test whether the platform supports TLS or not.
|
|
EXPECT_TRUE(notMatches(T, varDecl(hasName("x"), hasThreadStorageDuration())));
|
|
EXPECT_TRUE(notMatches(T, varDecl(hasName("y"), hasThreadStorageDuration())));
|
|
EXPECT_TRUE(notMatches(T, varDecl(hasName("a"), hasThreadStorageDuration())));
|
|
}
|
|
|
|
TEST(Matcher, FindsVarDeclInFunctionParameter) {
|
|
EXPECT_TRUE(matches(
|
|
"void f(int i) {}",
|
|
varDecl(hasName("i"))));
|
|
}
|
|
|
|
TEST(UnaryExpressionOrTypeTraitExpression, MatchesCorrectType) {
|
|
EXPECT_TRUE(matches("void x() { int a = sizeof(a); }", sizeOfExpr(
|
|
hasArgumentOfType(asString("int")))));
|
|
EXPECT_TRUE(notMatches("void x() { int a = sizeof(a); }", sizeOfExpr(
|
|
hasArgumentOfType(asString("float")))));
|
|
EXPECT_TRUE(matches(
|
|
"struct A {}; void x() { A a; int b = sizeof(a); }",
|
|
sizeOfExpr(hasArgumentOfType(hasDeclaration(recordDecl(hasName("A")))))));
|
|
EXPECT_TRUE(notMatches("void x() { int a = sizeof(a); }", sizeOfExpr(
|
|
hasArgumentOfType(hasDeclaration(recordDecl(hasName("string")))))));
|
|
}
|
|
|
|
TEST(IsInteger, MatchesIntegers) {
|
|
EXPECT_TRUE(matches("int i = 0;", varDecl(hasType(isInteger()))));
|
|
EXPECT_TRUE(matches(
|
|
"long long i = 0; void f(long long) { }; void g() {f(i);}",
|
|
callExpr(hasArgument(0, declRefExpr(
|
|
to(varDecl(hasType(isInteger()))))))));
|
|
}
|
|
|
|
TEST(IsInteger, ReportsNoFalsePositives) {
|
|
EXPECT_TRUE(notMatches("int *i;", varDecl(hasType(isInteger()))));
|
|
EXPECT_TRUE(notMatches("struct T {}; T t; void f(T *) { }; void g() {f(&t);}",
|
|
callExpr(hasArgument(0, declRefExpr(
|
|
to(varDecl(hasType(isInteger()))))))));
|
|
}
|
|
|
|
TEST(IsAnyPointer, MatchesPointers) {
|
|
EXPECT_TRUE(matches("int* i = nullptr;", varDecl(hasType(isAnyPointer()))));
|
|
}
|
|
|
|
TEST(IsAnyPointer, MatchesObjcPointer) {
|
|
EXPECT_TRUE(matchesObjC("@interface Foo @end Foo *f;",
|
|
varDecl(hasType(isAnyPointer()))));
|
|
}
|
|
|
|
TEST(IsAnyPointer, ReportsNoFalsePositives) {
|
|
EXPECT_TRUE(notMatches("int i = 0;", varDecl(hasType(isAnyPointer()))));
|
|
}
|
|
|
|
TEST(IsAnyCharacter, MatchesCharacters) {
|
|
EXPECT_TRUE(matches("char i = 0;", varDecl(hasType(isAnyCharacter()))));
|
|
}
|
|
|
|
TEST(IsAnyCharacter, ReportsNoFalsePositives) {
|
|
EXPECT_TRUE(notMatches("int i;", varDecl(hasType(isAnyCharacter()))));
|
|
}
|
|
|
|
TEST(IsArrow, MatchesMemberVariablesViaArrow) {
|
|
EXPECT_TRUE(matches("class Y { void x() { this->y; } int y; };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(matches("class Y { void x() { y; } int y; };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(notMatches("class Y { void x() { (*this).y; } int y; };",
|
|
memberExpr(isArrow())));
|
|
}
|
|
|
|
TEST(IsArrow, MatchesStaticMemberVariablesViaArrow) {
|
|
EXPECT_TRUE(matches("class Y { void x() { this->y; } static int y; };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(notMatches("class Y { void x() { y; } static int y; };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(notMatches("class Y { void x() { (*this).y; } static int y; };",
|
|
memberExpr(isArrow())));
|
|
}
|
|
|
|
TEST(IsArrow, MatchesMemberCallsViaArrow) {
|
|
EXPECT_TRUE(matches("class Y { void x() { this->x(); } };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(matches("class Y { void x() { x(); } };",
|
|
memberExpr(isArrow())));
|
|
EXPECT_TRUE(notMatches("class Y { void x() { Y y; y.x(); } };",
|
|
memberExpr(isArrow())));
|
|
}
|
|
|
|
TEST(ConversionDeclaration, IsExplicit) {
|
|
EXPECT_TRUE(matches("struct S { explicit operator int(); };",
|
|
cxxConversionDecl(isExplicit())));
|
|
EXPECT_TRUE(notMatches("struct S { operator int(); };",
|
|
cxxConversionDecl(isExplicit())));
|
|
}
|
|
|
|
TEST(Matcher, ArgumentCount) {
|
|
StatementMatcher Call1Arg = callExpr(argumentCountIs(1));
|
|
|
|
EXPECT_TRUE(matches("void x(int) { x(0); }", Call1Arg));
|
|
EXPECT_TRUE(matches("class X { void x(int) { x(0); } };", Call1Arg));
|
|
EXPECT_TRUE(notMatches("void x(int, int) { x(0, 0); }", Call1Arg));
|
|
}
|
|
|
|
TEST(Matcher, ParameterCount) {
|
|
DeclarationMatcher Function1Arg = functionDecl(parameterCountIs(1));
|
|
EXPECT_TRUE(matches("void f(int i) {}", Function1Arg));
|
|
EXPECT_TRUE(matches("class X { void f(int i) {} };", Function1Arg));
|
|
EXPECT_TRUE(notMatches("void f() {}", Function1Arg));
|
|
EXPECT_TRUE(notMatches("void f(int i, int j, int k) {}", Function1Arg));
|
|
EXPECT_TRUE(matches("void f(int i, ...) {};", Function1Arg));
|
|
}
|
|
|
|
TEST(Matcher, References) {
|
|
DeclarationMatcher ReferenceClassX = varDecl(
|
|
hasType(references(recordDecl(hasName("X")))));
|
|
EXPECT_TRUE(matches("class X {}; void y(X y) { X &x = y; }",
|
|
ReferenceClassX));
|
|
EXPECT_TRUE(
|
|
matches("class X {}; void y(X y) { const X &x = y; }", ReferenceClassX));
|
|
// The match here is on the implicit copy constructor code for
|
|
// class X, not on code 'X x = y'.
|
|
EXPECT_TRUE(
|
|
matches("class X {}; void y(X y) { X x = y; }", ReferenceClassX));
|
|
EXPECT_TRUE(
|
|
notMatches("class X {}; extern X x;", ReferenceClassX));
|
|
EXPECT_TRUE(
|
|
notMatches("class X {}; void y(X *y) { X *&x = y; }", ReferenceClassX));
|
|
}
|
|
|
|
TEST(QualType, hasLocalQualifiers) {
|
|
EXPECT_TRUE(notMatches("typedef const int const_int; const_int i = 1;",
|
|
varDecl(hasType(hasLocalQualifiers()))));
|
|
EXPECT_TRUE(matches("int *const j = nullptr;",
|
|
varDecl(hasType(hasLocalQualifiers()))));
|
|
EXPECT_TRUE(matches("int *volatile k;",
|
|
varDecl(hasType(hasLocalQualifiers()))));
|
|
EXPECT_TRUE(notMatches("int m;",
|
|
varDecl(hasType(hasLocalQualifiers()))));
|
|
}
|
|
|
|
TEST(IsExternC, MatchesExternCFunctionDeclarations) {
|
|
EXPECT_TRUE(matches("extern \"C\" void f() {}", functionDecl(isExternC())));
|
|
EXPECT_TRUE(matches("extern \"C\" { void f() {} }",
|
|
functionDecl(isExternC())));
|
|
EXPECT_TRUE(notMatches("void f() {}", functionDecl(isExternC())));
|
|
}
|
|
|
|
TEST(IsDefaulted, MatchesDefaultedFunctionDeclarations) {
|
|
EXPECT_TRUE(notMatches("class A { ~A(); };",
|
|
functionDecl(hasName("~A"), isDefaulted())));
|
|
EXPECT_TRUE(matches("class B { ~B() = default; };",
|
|
functionDecl(hasName("~B"), isDefaulted())));
|
|
}
|
|
|
|
TEST(IsDeleted, MatchesDeletedFunctionDeclarations) {
|
|
EXPECT_TRUE(
|
|
notMatches("void Func();", functionDecl(hasName("Func"), isDeleted())));
|
|
EXPECT_TRUE(matches("void Func() = delete;",
|
|
functionDecl(hasName("Func"), isDeleted())));
|
|
}
|
|
|
|
TEST(IsNoThrow, MatchesNoThrowFunctionDeclarations) {
|
|
EXPECT_TRUE(notMatches("void f();", functionDecl(isNoThrow())));
|
|
EXPECT_TRUE(notMatches("void f() throw(int);", functionDecl(isNoThrow())));
|
|
EXPECT_TRUE(
|
|
notMatches("void f() noexcept(false);", functionDecl(isNoThrow())));
|
|
EXPECT_TRUE(matches("void f() throw();", functionDecl(isNoThrow())));
|
|
EXPECT_TRUE(matches("void f() noexcept;", functionDecl(isNoThrow())));
|
|
|
|
EXPECT_TRUE(notMatches("void f();", functionProtoType(isNoThrow())));
|
|
EXPECT_TRUE(notMatches("void f() throw(int);", functionProtoType(isNoThrow())));
|
|
EXPECT_TRUE(
|
|
notMatches("void f() noexcept(false);", functionProtoType(isNoThrow())));
|
|
EXPECT_TRUE(matches("void f() throw();", functionProtoType(isNoThrow())));
|
|
EXPECT_TRUE(matches("void f() noexcept;", functionProtoType(isNoThrow())));
|
|
}
|
|
|
|
TEST(isConstexpr, MatchesConstexprDeclarations) {
|
|
EXPECT_TRUE(matches("constexpr int foo = 42;",
|
|
varDecl(hasName("foo"), isConstexpr())));
|
|
EXPECT_TRUE(matches("constexpr int bar();",
|
|
functionDecl(hasName("bar"), isConstexpr())));
|
|
}
|
|
|
|
TEST(TemplateArgumentCountIs, Matches) {
|
|
EXPECT_TRUE(
|
|
matches("template<typename T> struct C {}; C<int> c;",
|
|
classTemplateSpecializationDecl(templateArgumentCountIs(1))));
|
|
EXPECT_TRUE(
|
|
notMatches("template<typename T> struct C {}; C<int> c;",
|
|
classTemplateSpecializationDecl(templateArgumentCountIs(2))));
|
|
|
|
EXPECT_TRUE(matches("template<typename T> struct C {}; C<int> c;",
|
|
templateSpecializationType(templateArgumentCountIs(1))));
|
|
EXPECT_TRUE(
|
|
notMatches("template<typename T> struct C {}; C<int> c;",
|
|
templateSpecializationType(templateArgumentCountIs(2))));
|
|
}
|
|
|
|
TEST(IsIntegral, Matches) {
|
|
EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;",
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(isIntegral()))));
|
|
EXPECT_TRUE(notMatches("template<typename T> struct C {}; C<int> c;",
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
templateArgument(isIntegral())))));
|
|
}
|
|
|
|
TEST(EqualsIntegralValue, Matches) {
|
|
EXPECT_TRUE(matches("template<int T> struct C {}; C<42> c;",
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(equalsIntegralValue("42")))));
|
|
EXPECT_TRUE(matches("template<int T> struct C {}; C<-42> c;",
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(equalsIntegralValue("-42")))));
|
|
EXPECT_TRUE(matches("template<int T> struct C {}; C<-0042> c;",
|
|
classTemplateSpecializationDecl(
|
|
hasAnyTemplateArgument(equalsIntegralValue("-34")))));
|
|
EXPECT_TRUE(notMatches("template<int T> struct C {}; C<42> c;",
|
|
classTemplateSpecializationDecl(hasAnyTemplateArgument(
|
|
equalsIntegralValue("0042")))));
|
|
}
|
|
|
|
TEST(Matcher, MatchesAccessSpecDecls) {
|
|
EXPECT_TRUE(matches("class C { public: int i; };", accessSpecDecl()));
|
|
EXPECT_TRUE(
|
|
matches("class C { public: int i; };", accessSpecDecl(isPublic())));
|
|
EXPECT_TRUE(
|
|
notMatches("class C { public: int i; };", accessSpecDecl(isProtected())));
|
|
EXPECT_TRUE(
|
|
notMatches("class C { public: int i; };", accessSpecDecl(isPrivate())));
|
|
|
|
EXPECT_TRUE(notMatches("class C { int i; };", accessSpecDecl()));
|
|
}
|
|
|
|
TEST(Matcher, MatchesFinal) {
|
|
EXPECT_TRUE(matches("class X final {};", cxxRecordDecl(isFinal())));
|
|
EXPECT_TRUE(matches("class X { virtual void f() final; };",
|
|
cxxMethodDecl(isFinal())));
|
|
EXPECT_TRUE(notMatches("class X {};", cxxRecordDecl(isFinal())));
|
|
EXPECT_TRUE(
|
|
notMatches("class X { virtual void f(); };", cxxMethodDecl(isFinal())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesVirtualMethod) {
|
|
EXPECT_TRUE(matches("class X { virtual int f(); };",
|
|
cxxMethodDecl(isVirtual(), hasName("::X::f"))));
|
|
EXPECT_TRUE(notMatches("class X { int f(); };", cxxMethodDecl(isVirtual())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesVirtualAsWrittenMethod) {
|
|
EXPECT_TRUE(matches("class A { virtual int f(); };"
|
|
"class B : public A { int f(); };",
|
|
cxxMethodDecl(isVirtualAsWritten(), hasName("::A::f"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { virtual int f(); };"
|
|
"class B : public A { int f(); };",
|
|
cxxMethodDecl(isVirtualAsWritten(), hasName("::B::f"))));
|
|
}
|
|
|
|
TEST(Matcher, MatchesPureMethod) {
|
|
EXPECT_TRUE(matches("class X { virtual int f() = 0; };",
|
|
cxxMethodDecl(isPure(), hasName("::X::f"))));
|
|
EXPECT_TRUE(notMatches("class X { int f(); };", cxxMethodDecl(isPure())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesCopyAssignmentOperator) {
|
|
EXPECT_TRUE(matches("class X { X &operator=(X); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(X &); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(const X &); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(volatile X &); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(const volatile X &); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
EXPECT_TRUE(notMatches("class X { X &operator=(X &&); };",
|
|
cxxMethodDecl(isCopyAssignmentOperator())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesMoveAssignmentOperator) {
|
|
EXPECT_TRUE(notMatches("class X { X &operator=(X); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(X &&); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(const X &&); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(volatile X &&); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
EXPECT_TRUE(matches("class X { X &operator=(const volatile X &&); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
EXPECT_TRUE(notMatches("class X { X &operator=(X &); };",
|
|
cxxMethodDecl(isMoveAssignmentOperator())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesConstMethod) {
|
|
EXPECT_TRUE(
|
|
matches("struct A { void foo() const; };", cxxMethodDecl(isConst())));
|
|
EXPECT_TRUE(
|
|
notMatches("struct A { void foo(); };", cxxMethodDecl(isConst())));
|
|
}
|
|
|
|
TEST(Matcher, MatchesOverridingMethod) {
|
|
EXPECT_TRUE(matches("class X { virtual int f(); }; "
|
|
"class Y : public X { int f(); };",
|
|
cxxMethodDecl(isOverride(), hasName("::Y::f"))));
|
|
EXPECT_TRUE(notMatches("class X { virtual int f(); }; "
|
|
"class Y : public X { int f(); };",
|
|
cxxMethodDecl(isOverride(), hasName("::X::f"))));
|
|
EXPECT_TRUE(notMatches("class X { int f(); }; "
|
|
"class Y : public X { int f(); };",
|
|
cxxMethodDecl(isOverride())));
|
|
EXPECT_TRUE(notMatches("class X { int f(); int f(int); }; ",
|
|
cxxMethodDecl(isOverride())));
|
|
EXPECT_TRUE(
|
|
matches("template <typename Base> struct Y : Base { void f() override;};",
|
|
cxxMethodDecl(isOverride(), hasName("::Y::f"))));
|
|
}
|
|
|
|
TEST(Matcher, ConstructorArgument) {
|
|
StatementMatcher Constructor = cxxConstructExpr(
|
|
hasArgument(0, declRefExpr(to(varDecl(hasName("y"))))));
|
|
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { int y; X x(y); }",
|
|
Constructor));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { int y; X x = X(y); }",
|
|
Constructor));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { int y; X x = y; }",
|
|
Constructor));
|
|
EXPECT_TRUE(
|
|
notMatches("class X { public: X(int); }; void x() { int z; X x(z); }",
|
|
Constructor));
|
|
|
|
StatementMatcher WrongIndex = cxxConstructExpr(
|
|
hasArgument(42, declRefExpr(to(varDecl(hasName("y"))))));
|
|
EXPECT_TRUE(
|
|
notMatches("class X { public: X(int); }; void x() { int y; X x(y); }",
|
|
WrongIndex));
|
|
}
|
|
|
|
TEST(Matcher, ConstructorArgumentCount) {
|
|
StatementMatcher Constructor1Arg = cxxConstructExpr(argumentCountIs(1));
|
|
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { X x(0); }",
|
|
Constructor1Arg));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { X x = X(0); }",
|
|
Constructor1Arg));
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { X x = 0; }",
|
|
Constructor1Arg));
|
|
EXPECT_TRUE(
|
|
notMatches("class X { public: X(int, int); }; void x() { X x(0, 0); }",
|
|
Constructor1Arg));
|
|
}
|
|
|
|
TEST(Matcher, ConstructorListInitialization) {
|
|
StatementMatcher ConstructorListInit =
|
|
cxxConstructExpr(isListInitialization());
|
|
|
|
EXPECT_TRUE(
|
|
matches("class X { public: X(int); }; void x() { X x{0}; }",
|
|
ConstructorListInit));
|
|
EXPECT_FALSE(
|
|
matches("class X { public: X(int); }; void x() { X x(0); }",
|
|
ConstructorListInit));
|
|
}
|
|
|
|
TEST(ConstructorDeclaration, IsImplicit) {
|
|
// This one doesn't match because the constructor is not added by the
|
|
// compiler (it is not needed).
|
|
EXPECT_TRUE(notMatches("class Foo { };",
|
|
cxxConstructorDecl(isImplicit())));
|
|
// The compiler added the implicit default constructor.
|
|
EXPECT_TRUE(matches("class Foo { }; Foo* f = new Foo();",
|
|
cxxConstructorDecl(isImplicit())));
|
|
EXPECT_TRUE(matches("class Foo { Foo(){} };",
|
|
cxxConstructorDecl(unless(isImplicit()))));
|
|
// The compiler added an implicit assignment operator.
|
|
EXPECT_TRUE(matches("struct A { int x; } a = {0}, b = a; void f() { a = b; }",
|
|
cxxMethodDecl(isImplicit(), hasName("operator="))));
|
|
}
|
|
|
|
TEST(ConstructorDeclaration, IsExplicit) {
|
|
EXPECT_TRUE(matches("struct S { explicit S(int); };",
|
|
cxxConstructorDecl(isExplicit())));
|
|
EXPECT_TRUE(notMatches("struct S { S(int); };",
|
|
cxxConstructorDecl(isExplicit())));
|
|
}
|
|
|
|
TEST(ConstructorDeclaration, Kinds) {
|
|
EXPECT_TRUE(matches("struct S { S(); };",
|
|
cxxConstructorDecl(isDefaultConstructor())));
|
|
EXPECT_TRUE(notMatches("struct S { S(); };",
|
|
cxxConstructorDecl(isCopyConstructor())));
|
|
EXPECT_TRUE(notMatches("struct S { S(); };",
|
|
cxxConstructorDecl(isMoveConstructor())));
|
|
|
|
EXPECT_TRUE(notMatches("struct S { S(const S&); };",
|
|
cxxConstructorDecl(isDefaultConstructor())));
|
|
EXPECT_TRUE(matches("struct S { S(const S&); };",
|
|
cxxConstructorDecl(isCopyConstructor())));
|
|
EXPECT_TRUE(notMatches("struct S { S(const S&); };",
|
|
cxxConstructorDecl(isMoveConstructor())));
|
|
|
|
EXPECT_TRUE(notMatches("struct S { S(S&&); };",
|
|
cxxConstructorDecl(isDefaultConstructor())));
|
|
EXPECT_TRUE(notMatches("struct S { S(S&&); };",
|
|
cxxConstructorDecl(isCopyConstructor())));
|
|
EXPECT_TRUE(matches("struct S { S(S&&); };",
|
|
cxxConstructorDecl(isMoveConstructor())));
|
|
}
|
|
|
|
TEST(ConstructorDeclaration, IsUserProvided) {
|
|
EXPECT_TRUE(notMatches("struct S { int X = 0; };",
|
|
cxxConstructorDecl(isUserProvided())));
|
|
EXPECT_TRUE(notMatches("struct S { S() = default; };",
|
|
cxxConstructorDecl(isUserProvided())));
|
|
EXPECT_TRUE(notMatches("struct S { S() = delete; };",
|
|
cxxConstructorDecl(isUserProvided())));
|
|
EXPECT_TRUE(
|
|
matches("struct S { S(); };", cxxConstructorDecl(isUserProvided())));
|
|
EXPECT_TRUE(matches("struct S { S(); }; S::S(){}",
|
|
cxxConstructorDecl(isUserProvided())));
|
|
}
|
|
|
|
TEST(ConstructorDeclaration, IsDelegatingConstructor) {
|
|
EXPECT_TRUE(notMatches("struct S { S(); S(int); int X; };",
|
|
cxxConstructorDecl(isDelegatingConstructor())));
|
|
EXPECT_TRUE(notMatches("struct S { S(){} S(int X) : X(X) {} int X; };",
|
|
cxxConstructorDecl(isDelegatingConstructor())));
|
|
EXPECT_TRUE(matches(
|
|
"struct S { S() : S(0) {} S(int X) : X(X) {} int X; };",
|
|
cxxConstructorDecl(isDelegatingConstructor(), parameterCountIs(0))));
|
|
EXPECT_TRUE(matches(
|
|
"struct S { S(); S(int X); int X; }; S::S(int X) : S() {}",
|
|
cxxConstructorDecl(isDelegatingConstructor(), parameterCountIs(1))));
|
|
}
|
|
|
|
TEST(StringLiteral, HasSize) {
|
|
StatementMatcher Literal = stringLiteral(hasSize(4));
|
|
EXPECT_TRUE(matches("const char *s = \"abcd\";", Literal));
|
|
// wide string
|
|
EXPECT_TRUE(matches("const wchar_t *s = L\"abcd\";", Literal));
|
|
// with escaped characters
|
|
EXPECT_TRUE(matches("const char *s = \"\x05\x06\x07\x08\";", Literal));
|
|
// no matching, too small
|
|
EXPECT_TRUE(notMatches("const char *s = \"ab\";", Literal));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsNamespaces) {
|
|
EXPECT_TRUE(matches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("a::b::C"))));
|
|
EXPECT_TRUE(matches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("::a::b::C"))));
|
|
EXPECT_TRUE(matches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("b::C"))));
|
|
EXPECT_TRUE(matches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("c::b::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("a::c::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("a::b::A"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("::b::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("z::a::b::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class C; } }",
|
|
recordDecl(hasName("a+b::C"))));
|
|
EXPECT_TRUE(notMatches("namespace a { namespace b { class AC; } }",
|
|
recordDecl(hasName("C"))));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsOuterClasses) {
|
|
EXPECT_TRUE(
|
|
matches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("A::B::C"))));
|
|
EXPECT_TRUE(
|
|
matches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("::A::B::C"))));
|
|
EXPECT_TRUE(
|
|
matches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("B::C"))));
|
|
EXPECT_TRUE(
|
|
matches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("C"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("c::B::C"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("A::c::C"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("A::B::A"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("::C"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("::B::C"))));
|
|
EXPECT_TRUE(notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("z::A::B::C"))));
|
|
EXPECT_TRUE(
|
|
notMatches("class A { class B { class C; }; };",
|
|
recordDecl(hasName("A+B::C"))));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsInlinedNamespaces) {
|
|
std::string code = "namespace a { inline namespace b { class C; } }";
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("a::b::C"))));
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("a::C"))));
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("::a::b::C"))));
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("::a::C"))));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsAnonymousNamespaces) {
|
|
std::string code = "namespace a { namespace { class C; } }";
|
|
EXPECT_TRUE(
|
|
matches(code, recordDecl(hasName("a::(anonymous namespace)::C"))));
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("a::C"))));
|
|
EXPECT_TRUE(
|
|
matches(code, recordDecl(hasName("::a::(anonymous namespace)::C"))));
|
|
EXPECT_TRUE(matches(code, recordDecl(hasName("::a::C"))));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsAnonymousOuterClasses) {
|
|
EXPECT_TRUE(matches("class A { class { class C; } x; };",
|
|
recordDecl(hasName("A::(anonymous class)::C"))));
|
|
EXPECT_TRUE(matches("class A { class { class C; } x; };",
|
|
recordDecl(hasName("::A::(anonymous class)::C"))));
|
|
EXPECT_FALSE(matches("class A { class { class C; } x; };",
|
|
recordDecl(hasName("::A::C"))));
|
|
EXPECT_TRUE(matches("class A { struct { class C; } x; };",
|
|
recordDecl(hasName("A::(anonymous struct)::C"))));
|
|
EXPECT_TRUE(matches("class A { struct { class C; } x; };",
|
|
recordDecl(hasName("::A::(anonymous struct)::C"))));
|
|
EXPECT_FALSE(matches("class A { struct { class C; } x; };",
|
|
recordDecl(hasName("::A::C"))));
|
|
}
|
|
|
|
TEST(Matcher, HasNameSupportsFunctionScope) {
|
|
std::string code =
|
|
"namespace a { void F(int a) { struct S { int m; }; int i; } }";
|
|
EXPECT_TRUE(matches(code, varDecl(hasName("i"))));
|
|
EXPECT_FALSE(matches(code, varDecl(hasName("F()::i"))));
|
|
|
|
EXPECT_TRUE(matches(code, fieldDecl(hasName("m"))));
|
|
EXPECT_TRUE(matches(code, fieldDecl(hasName("S::m"))));
|
|
EXPECT_TRUE(matches(code, fieldDecl(hasName("F(int)::S::m"))));
|
|
EXPECT_TRUE(matches(code, fieldDecl(hasName("a::F(int)::S::m"))));
|
|
EXPECT_TRUE(matches(code, fieldDecl(hasName("::a::F(int)::S::m"))));
|
|
}
|
|
|
|
TEST(Matcher, HasAnyName) {
|
|
const std::string Code = "namespace a { namespace b { class C; } }";
|
|
|
|
EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX", "a::b::C"))));
|
|
EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("a::b::C", "XX"))));
|
|
EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX::C", "a::b::C"))));
|
|
EXPECT_TRUE(matches(Code, recordDecl(hasAnyName("XX", "C"))));
|
|
|
|
EXPECT_TRUE(notMatches(Code, recordDecl(hasAnyName("::C", "::b::C"))));
|
|
EXPECT_TRUE(
|
|
matches(Code, recordDecl(hasAnyName("::C", "::b::C", "::a::b::C"))));
|
|
|
|
std::vector<StringRef> Names = {"::C", "::b::C", "::a::b::C"};
|
|
EXPECT_TRUE(matches(Code, recordDecl(hasAnyName(Names))));
|
|
}
|
|
|
|
TEST(Matcher, IsDefinition) {
|
|
DeclarationMatcher DefinitionOfClassA =
|
|
recordDecl(hasName("A"), isDefinition());
|
|
EXPECT_TRUE(matches("class A {};", DefinitionOfClassA));
|
|
EXPECT_TRUE(notMatches("class A;", DefinitionOfClassA));
|
|
|
|
DeclarationMatcher DefinitionOfVariableA =
|
|
varDecl(hasName("a"), isDefinition());
|
|
EXPECT_TRUE(matches("int a;", DefinitionOfVariableA));
|
|
EXPECT_TRUE(notMatches("extern int a;", DefinitionOfVariableA));
|
|
|
|
DeclarationMatcher DefinitionOfMethodA =
|
|
cxxMethodDecl(hasName("a"), isDefinition());
|
|
EXPECT_TRUE(matches("class A { void a() {} };", DefinitionOfMethodA));
|
|
EXPECT_TRUE(notMatches("class A { void a(); };", DefinitionOfMethodA));
|
|
}
|
|
|
|
TEST(Matcher, HandlesNullQualTypes) {
|
|
// FIXME: Add a Type matcher so we can replace uses of this
|
|
// variable with Type(True())
|
|
const TypeMatcher AnyType = anything();
|
|
|
|
// We don't really care whether this matcher succeeds; we're testing that
|
|
// it completes without crashing.
|
|
EXPECT_TRUE(matches(
|
|
"struct A { };"
|
|
"template <typename T>"
|
|
"void f(T t) {"
|
|
" T local_t(t /* this becomes a null QualType in the AST */);"
|
|
"}"
|
|
"void g() {"
|
|
" f(0);"
|
|
"}",
|
|
expr(hasType(TypeMatcher(
|
|
anyOf(
|
|
TypeMatcher(hasDeclaration(anything())),
|
|
pointsTo(AnyType),
|
|
references(AnyType)
|
|
// Other QualType matchers should go here.
|
|
))))));
|
|
}
|
|
|
|
|
|
TEST(StatementCountIs, FindsNoStatementsInAnEmptyCompoundStatement) {
|
|
EXPECT_TRUE(matches("void f() { }",
|
|
compoundStmt(statementCountIs(0))));
|
|
EXPECT_TRUE(notMatches("void f() {}",
|
|
compoundStmt(statementCountIs(1))));
|
|
}
|
|
|
|
TEST(StatementCountIs, AppearsToMatchOnlyOneCount) {
|
|
EXPECT_TRUE(matches("void f() { 1; }",
|
|
compoundStmt(statementCountIs(1))));
|
|
EXPECT_TRUE(notMatches("void f() { 1; }",
|
|
compoundStmt(statementCountIs(0))));
|
|
EXPECT_TRUE(notMatches("void f() { 1; }",
|
|
compoundStmt(statementCountIs(2))));
|
|
}
|
|
|
|
TEST(StatementCountIs, WorksWithMultipleStatements) {
|
|
EXPECT_TRUE(matches("void f() { 1; 2; 3; }",
|
|
compoundStmt(statementCountIs(3))));
|
|
}
|
|
|
|
TEST(StatementCountIs, WorksWithNestedCompoundStatements) {
|
|
EXPECT_TRUE(matches("void f() { { 1; } { 1; 2; 3; 4; } }",
|
|
compoundStmt(statementCountIs(1))));
|
|
EXPECT_TRUE(matches("void f() { { 1; } { 1; 2; 3; 4; } }",
|
|
compoundStmt(statementCountIs(2))));
|
|
EXPECT_TRUE(notMatches("void f() { { 1; } { 1; 2; 3; 4; } }",
|
|
compoundStmt(statementCountIs(3))));
|
|
EXPECT_TRUE(matches("void f() { { 1; } { 1; 2; 3; 4; } }",
|
|
compoundStmt(statementCountIs(4))));
|
|
}
|
|
|
|
TEST(Member, WorksInSimplestCase) {
|
|
EXPECT_TRUE(matches("struct { int first; } s; int i(s.first);",
|
|
memberExpr(member(hasName("first")))));
|
|
}
|
|
|
|
TEST(Member, DoesNotMatchTheBaseExpression) {
|
|
// Don't pick out the wrong part of the member expression, this should
|
|
// be checking the member (name) only.
|
|
EXPECT_TRUE(notMatches("struct { int i; } first; int i(first.i);",
|
|
memberExpr(member(hasName("first")))));
|
|
}
|
|
|
|
TEST(Member, MatchesInMemberFunctionCall) {
|
|
EXPECT_TRUE(matches("void f() {"
|
|
" struct { void first() {}; } s;"
|
|
" s.first();"
|
|
"};",
|
|
memberExpr(member(hasName("first")))));
|
|
}
|
|
|
|
TEST(Member, MatchesMember) {
|
|
EXPECT_TRUE(matches(
|
|
"struct A { int i; }; void f() { A a; a.i = 2; }",
|
|
memberExpr(hasDeclaration(fieldDecl(hasType(isInteger()))))));
|
|
EXPECT_TRUE(notMatches(
|
|
"struct A { float f; }; void f() { A a; a.f = 2.0f; }",
|
|
memberExpr(hasDeclaration(fieldDecl(hasType(isInteger()))))));
|
|
}
|
|
|
|
TEST(Member, BitFields) {
|
|
EXPECT_TRUE(matches("class C { int a : 2; int b; };",
|
|
fieldDecl(isBitField(), hasName("a"))));
|
|
EXPECT_TRUE(notMatches("class C { int a : 2; int b; };",
|
|
fieldDecl(isBitField(), hasName("b"))));
|
|
EXPECT_TRUE(matches("class C { int a : 2; int b : 4; };",
|
|
fieldDecl(isBitField(), hasBitWidth(2), hasName("a"))));
|
|
}
|
|
|
|
TEST(Member, UnderstandsAccess) {
|
|
EXPECT_TRUE(matches(
|
|
"struct A { int i; };", fieldDecl(isPublic(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches(
|
|
"struct A { int i; };", fieldDecl(isProtected(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches(
|
|
"struct A { int i; };", fieldDecl(isPrivate(), hasName("i"))));
|
|
|
|
EXPECT_TRUE(notMatches(
|
|
"class A { int i; };", fieldDecl(isPublic(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches(
|
|
"class A { int i; };", fieldDecl(isProtected(), hasName("i"))));
|
|
EXPECT_TRUE(matches(
|
|
"class A { int i; };", fieldDecl(isPrivate(), hasName("i"))));
|
|
|
|
EXPECT_TRUE(notMatches(
|
|
"class A { protected: int i; };", fieldDecl(isPublic(), hasName("i"))));
|
|
EXPECT_TRUE(matches("class A { protected: int i; };",
|
|
fieldDecl(isProtected(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches(
|
|
"class A { protected: int i; };", fieldDecl(isPrivate(), hasName("i"))));
|
|
|
|
// Non-member decls have the AccessSpecifier AS_none and thus aren't matched.
|
|
EXPECT_TRUE(notMatches("int i;", varDecl(isPublic(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches("int i;", varDecl(isProtected(), hasName("i"))));
|
|
EXPECT_TRUE(notMatches("int i;", varDecl(isPrivate(), hasName("i"))));
|
|
}
|
|
|
|
TEST(hasDynamicExceptionSpec, MatchesDynamicExceptionSpecifications) {
|
|
EXPECT_TRUE(notMatches("void f();", functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void g() noexcept;",
|
|
functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void h() noexcept(true);",
|
|
functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void i() noexcept(false);",
|
|
functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void j() throw();", functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void k() throw(int);", functionDecl(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void l() throw(...);", functionDecl(hasDynamicExceptionSpec())));
|
|
|
|
EXPECT_TRUE(notMatches("void f();", functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void g() noexcept;",
|
|
functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void h() noexcept(true);",
|
|
functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(notMatches("void i() noexcept(false);",
|
|
functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void j() throw();", functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void k() throw(int);", functionProtoType(hasDynamicExceptionSpec())));
|
|
EXPECT_TRUE(
|
|
matches("void l() throw(...);", functionProtoType(hasDynamicExceptionSpec())));
|
|
}
|
|
|
|
TEST(HasObjectExpression, DoesNotMatchMember) {
|
|
EXPECT_TRUE(notMatches(
|
|
"class X {}; struct Z { X m; }; void f(Z z) { z.m; }",
|
|
memberExpr(hasObjectExpression(hasType(recordDecl(hasName("X")))))));
|
|
}
|
|
|
|
TEST(HasObjectExpression, MatchesBaseOfVariable) {
|
|
EXPECT_TRUE(matches(
|
|
"struct X { int m; }; void f(X x) { x.m; }",
|
|
memberExpr(hasObjectExpression(hasType(recordDecl(hasName("X")))))));
|
|
EXPECT_TRUE(matches(
|
|
"struct X { int m; }; void f(X* x) { x->m; }",
|
|
memberExpr(hasObjectExpression(
|
|
hasType(pointsTo(recordDecl(hasName("X"))))))));
|
|
}
|
|
|
|
TEST(HasObjectExpression,
|
|
MatchesObjectExpressionOfImplicitlyFormedMemberExpression) {
|
|
EXPECT_TRUE(matches(
|
|
"class X {}; struct S { X m; void f() { this->m; } };",
|
|
memberExpr(hasObjectExpression(
|
|
hasType(pointsTo(recordDecl(hasName("S"))))))));
|
|
EXPECT_TRUE(matches(
|
|
"class X {}; struct S { X m; void f() { m; } };",
|
|
memberExpr(hasObjectExpression(
|
|
hasType(pointsTo(recordDecl(hasName("S"))))))));
|
|
}
|
|
|
|
TEST(Field, DoesNotMatchNonFieldMembers) {
|
|
EXPECT_TRUE(notMatches("class X { void m(); };", fieldDecl(hasName("m"))));
|
|
EXPECT_TRUE(notMatches("class X { class m {}; };", fieldDecl(hasName("m"))));
|
|
EXPECT_TRUE(notMatches("class X { enum { m }; };", fieldDecl(hasName("m"))));
|
|
EXPECT_TRUE(notMatches("class X { enum m {}; };", fieldDecl(hasName("m"))));
|
|
}
|
|
|
|
TEST(Field, MatchesField) {
|
|
EXPECT_TRUE(matches("class X { int m; };", fieldDecl(hasName("m"))));
|
|
}
|
|
|
|
TEST(IsVolatileQualified, QualifiersMatch) {
|
|
EXPECT_TRUE(matches("volatile int i = 42;",
|
|
varDecl(hasType(isVolatileQualified()))));
|
|
EXPECT_TRUE(notMatches("volatile int *i;",
|
|
varDecl(hasType(isVolatileQualified()))));
|
|
EXPECT_TRUE(matches("typedef volatile int v_int; v_int i = 42;",
|
|
varDecl(hasType(isVolatileQualified()))));
|
|
}
|
|
|
|
TEST(IsConstQualified, MatchesConstInt) {
|
|
EXPECT_TRUE(matches("const int i = 42;",
|
|
varDecl(hasType(isConstQualified()))));
|
|
}
|
|
|
|
TEST(IsConstQualified, MatchesConstPointer) {
|
|
EXPECT_TRUE(matches("int i = 42; int* const p(&i);",
|
|
varDecl(hasType(isConstQualified()))));
|
|
}
|
|
|
|
TEST(IsConstQualified, MatchesThroughTypedef) {
|
|
EXPECT_TRUE(matches("typedef const int const_int; const_int i = 42;",
|
|
varDecl(hasType(isConstQualified()))));
|
|
EXPECT_TRUE(matches("typedef int* int_ptr; const int_ptr p(0);",
|
|
varDecl(hasType(isConstQualified()))));
|
|
}
|
|
|
|
TEST(IsConstQualified, DoesNotMatchInappropriately) {
|
|
EXPECT_TRUE(notMatches("typedef int nonconst_int; nonconst_int i = 42;",
|
|
varDecl(hasType(isConstQualified()))));
|
|
EXPECT_TRUE(notMatches("int const* p;",
|
|
varDecl(hasType(isConstQualified()))));
|
|
}
|
|
|
|
TEST(DeclCount, DeclCountIsCorrect) {
|
|
EXPECT_TRUE(matches("void f() {int i,j;}",
|
|
declStmt(declCountIs(2))));
|
|
EXPECT_TRUE(notMatches("void f() {int i,j; int k;}",
|
|
declStmt(declCountIs(3))));
|
|
EXPECT_TRUE(notMatches("void f() {int i,j, k, l;}",
|
|
declStmt(declCountIs(3))));
|
|
}
|
|
|
|
|
|
TEST(EachOf, TriggersForEachMatch) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class A { int a; int b; };",
|
|
recordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v")))),
|
|
llvm::make_unique<VerifyIdIsBoundTo<FieldDecl>>("v", 2)));
|
|
}
|
|
|
|
TEST(EachOf, BehavesLikeAnyOfUnlessBothMatch) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class A { int a; int c; };",
|
|
recordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v")))),
|
|
llvm::make_unique<VerifyIdIsBoundTo<FieldDecl>>("v", 1)));
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"class A { int c; int b; };",
|
|
recordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v")))),
|
|
llvm::make_unique<VerifyIdIsBoundTo<FieldDecl>>("v", 1)));
|
|
EXPECT_TRUE(notMatches(
|
|
"class A { int c; int d; };",
|
|
recordDecl(eachOf(has(fieldDecl(hasName("a")).bind("v")),
|
|
has(fieldDecl(hasName("b")).bind("v"))))));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, MatchesImplicitClassTemplateInstantiation) {
|
|
// Make sure that we can both match the class by name (::X) and by the type
|
|
// the template was instantiated with (via a field).
|
|
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> class X {}; class A {}; X<A> x;",
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> class X { T t; }; class A {}; X<A> x;",
|
|
cxxRecordDecl(isTemplateInstantiation(), hasDescendant(
|
|
fieldDecl(hasType(recordDecl(hasName("A"))))))));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, MatchesImplicitFunctionTemplateInstantiation) {
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> void f(T t) {} class A {}; void g() { f(A()); }",
|
|
functionDecl(hasParameter(0, hasType(recordDecl(hasName("A")))),
|
|
isTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, MatchesExplicitClassTemplateInstantiation) {
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> class X { T t; }; class A {};"
|
|
"template class X<A>;",
|
|
cxxRecordDecl(isTemplateInstantiation(), hasDescendant(
|
|
fieldDecl(hasType(recordDecl(hasName("A"))))))));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation,
|
|
MatchesInstantiationOfPartiallySpecializedClassTemplate) {
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> class X {};"
|
|
"template <typename T> class X<T*> {}; class A {}; X<A*> x;",
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation,
|
|
MatchesInstantiationOfClassTemplateNestedInNonTemplate) {
|
|
EXPECT_TRUE(matches(
|
|
"class A {};"
|
|
"class X {"
|
|
" template <typename U> class Y { U u; };"
|
|
" Y<A> y;"
|
|
"};",
|
|
cxxRecordDecl(hasName("::X::Y"), isTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, DoesNotMatchInstantiationsInsideOfInstantiation) {
|
|
// FIXME: Figure out whether this makes sense. It doesn't affect the
|
|
// normal use case as long as the uppermost instantiation always is marked
|
|
// as template instantiation, but it might be confusing as a predicate.
|
|
EXPECT_TRUE(matches(
|
|
"class A {};"
|
|
"template <typename T> class X {"
|
|
" template <typename U> class Y { U u; };"
|
|
" Y<T> y;"
|
|
"}; X<A> x;",
|
|
cxxRecordDecl(hasName("::X<A>::Y"), unless(isTemplateInstantiation()))));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, DoesNotMatchExplicitClassTemplateSpecialization) {
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> class X {}; class A {};"
|
|
"template <> class X<A> {}; X<A> x;",
|
|
cxxRecordDecl(hasName("::X"), isTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsTemplateInstantiation, DoesNotMatchNonTemplate) {
|
|
EXPECT_TRUE(notMatches(
|
|
"class A {}; class Y { A a; };",
|
|
cxxRecordDecl(isTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsInstantiated, MatchesInstantiation) {
|
|
EXPECT_TRUE(
|
|
matches("template<typename T> class A { T i; }; class Y { A<int> a; };",
|
|
cxxRecordDecl(isInstantiated())));
|
|
}
|
|
|
|
TEST(IsInstantiated, NotMatchesDefinition) {
|
|
EXPECT_TRUE(notMatches("template<typename T> class A { T i; };",
|
|
cxxRecordDecl(isInstantiated())));
|
|
}
|
|
|
|
TEST(IsInTemplateInstantiation, MatchesInstantiationStmt) {
|
|
EXPECT_TRUE(matches("template<typename T> struct A { A() { T i; } };"
|
|
"class Y { A<int> a; }; Y y;",
|
|
declStmt(isInTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsInTemplateInstantiation, NotMatchesDefinitionStmt) {
|
|
EXPECT_TRUE(notMatches("template<typename T> struct A { void x() { T i; } };",
|
|
declStmt(isInTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsInstantiated, MatchesFunctionInstantiation) {
|
|
EXPECT_TRUE(
|
|
matches("template<typename T> void A(T t) { T i; } void x() { A(0); }",
|
|
functionDecl(isInstantiated())));
|
|
}
|
|
|
|
TEST(IsInstantiated, NotMatchesFunctionDefinition) {
|
|
EXPECT_TRUE(notMatches("template<typename T> void A(T t) { T i; }",
|
|
varDecl(isInstantiated())));
|
|
}
|
|
|
|
TEST(IsInTemplateInstantiation, MatchesFunctionInstantiationStmt) {
|
|
EXPECT_TRUE(
|
|
matches("template<typename T> void A(T t) { T i; } void x() { A(0); }",
|
|
declStmt(isInTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsInTemplateInstantiation, NotMatchesFunctionDefinitionStmt) {
|
|
EXPECT_TRUE(notMatches("template<typename T> void A(T t) { T i; }",
|
|
declStmt(isInTemplateInstantiation())));
|
|
}
|
|
|
|
TEST(IsInTemplateInstantiation, Sharing) {
|
|
auto Matcher = binaryOperator(unless(isInTemplateInstantiation()));
|
|
// FIXME: Node sharing is an implementation detail, exposing it is ugly
|
|
// and makes the matcher behave in non-obvious ways.
|
|
EXPECT_TRUE(notMatches(
|
|
"int j; template<typename T> void A(T t) { j += 42; } void x() { A(0); }",
|
|
Matcher));
|
|
EXPECT_TRUE(matches(
|
|
"int j; template<typename T> void A(T t) { j += t; } void x() { A(0); }",
|
|
Matcher));
|
|
}
|
|
|
|
TEST(IsExplicitTemplateSpecialization,
|
|
DoesNotMatchPrimaryTemplate) {
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> class X {};",
|
|
cxxRecordDecl(isExplicitTemplateSpecialization())));
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> void f(T t);",
|
|
functionDecl(isExplicitTemplateSpecialization())));
|
|
}
|
|
|
|
TEST(IsExplicitTemplateSpecialization,
|
|
DoesNotMatchExplicitTemplateInstantiations) {
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> class X {};"
|
|
"template class X<int>; extern template class X<long>;",
|
|
cxxRecordDecl(isExplicitTemplateSpecialization())));
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> void f(T t) {}"
|
|
"template void f(int t); extern template void f(long t);",
|
|
functionDecl(isExplicitTemplateSpecialization())));
|
|
}
|
|
|
|
TEST(IsExplicitTemplateSpecialization,
|
|
DoesNotMatchImplicitTemplateInstantiations) {
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> class X {}; X<int> x;",
|
|
cxxRecordDecl(isExplicitTemplateSpecialization())));
|
|
EXPECT_TRUE(notMatches(
|
|
"template <typename T> void f(T t); void g() { f(10); }",
|
|
functionDecl(isExplicitTemplateSpecialization())));
|
|
}
|
|
|
|
TEST(IsExplicitTemplateSpecialization,
|
|
MatchesExplicitTemplateSpecializations) {
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> class X {};"
|
|
"template<> class X<int> {};",
|
|
cxxRecordDecl(isExplicitTemplateSpecialization())));
|
|
EXPECT_TRUE(matches(
|
|
"template <typename T> void f(T t) {}"
|
|
"template<> void f(int t) {}",
|
|
functionDecl(isExplicitTemplateSpecialization())));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesBool) {
|
|
EXPECT_TRUE(matches("struct S { bool func(); };",
|
|
cxxMethodDecl(returns(booleanType()))));
|
|
EXPECT_TRUE(notMatches("struct S { void func(); };",
|
|
cxxMethodDecl(returns(booleanType()))));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesVoid) {
|
|
EXPECT_TRUE(matches("struct S { void func(); };",
|
|
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()));
|
|
EXPECT_TRUE(matches("void f(int b) { int a[b]; }", arrayType()));
|
|
|
|
EXPECT_TRUE(notMatches("struct A {}; A a[7];",
|
|
arrayType(hasElementType(builtinType()))));
|
|
|
|
EXPECT_TRUE(matches(
|
|
"int const a[] = { 2, 3 };",
|
|
qualType(arrayType(hasElementType(builtinType())))));
|
|
EXPECT_TRUE(matches(
|
|
"int const a[] = { 2, 3 };",
|
|
qualType(isConstQualified(), arrayType(hasElementType(builtinType())))));
|
|
EXPECT_TRUE(matches(
|
|
"typedef const int T; T x[] = { 1, 2 };",
|
|
qualType(isConstQualified(), arrayType())));
|
|
|
|
EXPECT_TRUE(notMatches(
|
|
"int a[] = { 2, 3 };",
|
|
qualType(isConstQualified(), arrayType(hasElementType(builtinType())))));
|
|
EXPECT_TRUE(notMatches(
|
|
"int a[] = { 2, 3 };",
|
|
qualType(arrayType(hasElementType(isConstQualified(), builtinType())))));
|
|
EXPECT_TRUE(notMatches(
|
|
"int const a[] = { 2, 3 };",
|
|
qualType(arrayType(hasElementType(builtinType())),
|
|
unless(isConstQualified()))));
|
|
|
|
EXPECT_TRUE(matches("int a[2];",
|
|
constantArrayType(hasElementType(builtinType()))));
|
|
EXPECT_TRUE(matches("const int a = 0;", qualType(isInteger())));
|
|
}
|
|
|
|
TEST(TypeMatching, DecayedType) {
|
|
EXPECT_TRUE(matches("void f(int i[]);", valueDecl(hasType(decayedType(hasDecayedType(pointerType()))))));
|
|
EXPECT_TRUE(notMatches("int i[7];", decayedType()));
|
|
}
|
|
|
|
TEST(TypeMatching, MatchesComplexTypes) {
|
|
EXPECT_TRUE(matches("_Complex float f;", complexType()));
|
|
EXPECT_TRUE(matches(
|
|
"_Complex float f;",
|
|
complexType(hasElementType(builtinType()))));
|
|
EXPECT_TRUE(notMatches(
|
|
"_Complex float f;",
|
|
complexType(hasElementType(isInteger()))));
|
|
}
|
|
|
|
TEST(NS, Anonymous) {
|
|
EXPECT_TRUE(notMatches("namespace N {}", namespaceDecl(isAnonymous())));
|
|
EXPECT_TRUE(matches("namespace {}", namespaceDecl(isAnonymous())));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, QualType) {
|
|
EXPECT_TRUE(matches(
|
|
"int i = 1;", varDecl(hasType(qualType().bind("type")),
|
|
hasInitializer(ignoringParenImpCasts(
|
|
hasType(qualType(equalsBoundNode("type"))))))));
|
|
EXPECT_TRUE(notMatches("int i = 1.f;",
|
|
varDecl(hasType(qualType().bind("type")),
|
|
hasInitializer(ignoringParenImpCasts(hasType(
|
|
qualType(equalsBoundNode("type"))))))));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, NonMatchingTypes) {
|
|
EXPECT_TRUE(notMatches(
|
|
"int i = 1;", varDecl(namedDecl(hasName("i")).bind("name"),
|
|
hasInitializer(ignoringParenImpCasts(
|
|
hasType(qualType(equalsBoundNode("type"))))))));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, Stmt) {
|
|
EXPECT_TRUE(
|
|
matches("void f() { if(true) {} }",
|
|
stmt(allOf(ifStmt().bind("if"),
|
|
hasParent(stmt(has(stmt(equalsBoundNode("if")))))))));
|
|
|
|
EXPECT_TRUE(notMatches(
|
|
"void f() { if(true) { if (true) {} } }",
|
|
stmt(allOf(ifStmt().bind("if"), has(stmt(equalsBoundNode("if")))))));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, Decl) {
|
|
EXPECT_TRUE(matches(
|
|
"class X { class Y {}; };",
|
|
decl(allOf(recordDecl(hasName("::X::Y")).bind("record"),
|
|
hasParent(decl(has(decl(equalsBoundNode("record")))))))));
|
|
|
|
EXPECT_TRUE(notMatches("class X { class Y {}; };",
|
|
decl(allOf(recordDecl(hasName("::X")).bind("record"),
|
|
has(decl(equalsBoundNode("record")))))));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, Type) {
|
|
EXPECT_TRUE(matches(
|
|
"class X { int a; int b; };",
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))));
|
|
|
|
EXPECT_TRUE(notMatches(
|
|
"class X { int a; double b; };",
|
|
recordDecl(
|
|
has(fieldDecl(hasName("a"), hasType(type().bind("t")))),
|
|
has(fieldDecl(hasName("b"), hasType(type(equalsBoundNode("t"))))))));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, UsingForEachDescendant) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"int f() {"
|
|
" if (1) {"
|
|
" int i = 9;"
|
|
" }"
|
|
" int j = 10;"
|
|
" {"
|
|
" float k = 9.0;"
|
|
" }"
|
|
" return 0;"
|
|
"}",
|
|
// Look for variable declarations within functions whose type is the same
|
|
// as the function return type.
|
|
functionDecl(returns(qualType().bind("type")),
|
|
forEachDescendant(varDecl(hasType(
|
|
qualType(equalsBoundNode("type")))).bind("decl"))),
|
|
// Only i and j should match, not k.
|
|
llvm::make_unique<VerifyIdIsBoundTo<VarDecl>>("decl", 2)));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, FiltersMatchedCombinations) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"void f() {"
|
|
" int x;"
|
|
" double d;"
|
|
" x = d + x - d + x;"
|
|
"}",
|
|
functionDecl(
|
|
hasName("f"), forEachDescendant(varDecl().bind("d")),
|
|
forEachDescendant(declRefExpr(to(decl(equalsBoundNode("d")))))),
|
|
llvm::make_unique<VerifyIdIsBoundTo<VarDecl>>("d", 5)));
|
|
}
|
|
|
|
TEST(EqualsBoundNodeMatcher, UnlessDescendantsOfAncestorsMatch) {
|
|
EXPECT_TRUE(matchAndVerifyResultTrue(
|
|
"struct StringRef { int size() const; const char* data() const; };"
|
|
"void f(StringRef v) {"
|
|
" v.data();"
|
|
"}",
|
|
cxxMemberCallExpr(
|
|
callee(cxxMethodDecl(hasName("data"))),
|
|
on(declRefExpr(to(
|
|
varDecl(hasType(recordDecl(hasName("StringRef")))).bind("var")))),
|
|
unless(hasAncestor(stmt(hasDescendant(cxxMemberCallExpr(
|
|
callee(cxxMethodDecl(anyOf(hasName("size"), hasName("length")))),
|
|
on(declRefExpr(to(varDecl(equalsBoundNode("var")))))))))))
|
|
.bind("data"),
|
|
llvm::make_unique<VerifyIdIsBoundTo<Expr>>("data", 1)));
|
|
|
|
EXPECT_FALSE(matches(
|
|
"struct StringRef { int size() const; const char* data() const; };"
|
|
"void f(StringRef v) {"
|
|
" v.data();"
|
|
" v.size();"
|
|
"}",
|
|
cxxMemberCallExpr(
|
|
callee(cxxMethodDecl(hasName("data"))),
|
|
on(declRefExpr(to(
|
|
varDecl(hasType(recordDecl(hasName("StringRef")))).bind("var")))),
|
|
unless(hasAncestor(stmt(hasDescendant(cxxMemberCallExpr(
|
|
callee(cxxMethodDecl(anyOf(hasName("size"), hasName("length")))),
|
|
on(declRefExpr(to(varDecl(equalsBoundNode("var")))))))))))
|
|
.bind("data")));
|
|
}
|
|
|
|
TEST(NullPointerConstants, Basic) {
|
|
EXPECT_TRUE(matches("#define NULL ((void *)0)\n"
|
|
"void *v1 = NULL;", expr(nullPointerConstant())));
|
|
EXPECT_TRUE(matches("void *v2 = nullptr;", expr(nullPointerConstant())));
|
|
EXPECT_TRUE(matches("void *v3 = __null;", expr(nullPointerConstant())));
|
|
EXPECT_TRUE(matches("char *cp = (char *)0;", expr(nullPointerConstant())));
|
|
EXPECT_TRUE(matches("int *ip = 0;", expr(nullPointerConstant())));
|
|
EXPECT_TRUE(notMatches("int i = 0;", expr(nullPointerConstant())));
|
|
}
|
|
|
|
} // namespace ast_matchers
|
|
} // namespace clang
|