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| // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.llvm.Conventions \
// RUN: -std=c++14 -verify %s
#include "Inputs/system-header-simulator-cxx.h"
//===----------------------------------------------------------------------===//
// Forward declarations for StringRef tests.
//===----------------------------------------------------------------------===//
using size_type = size_t;
namespace std {
template <class T>
struct numeric_limits { const static bool is_signed; };
} // end of namespace std
namespace llvm {
template <class T>
struct iterator_range;
template <class Func>
struct function_ref;
struct hash_code;
template <class T>
struct SmallVectorImpl;
struct APInt;
class StringRef {
public:
static const size_t npos = ~size_t(0);
using iterator = const char *;
using const_iterator = const char *;
using size_type = size_t;
/*implicit*/ StringRef() = default;
StringRef(std::nullptr_t) = delete;
/*implicit*/ StringRef(const char *Str);
/*implicit*/ constexpr StringRef(const char *data, size_t length);
/*implicit*/ StringRef(const std::string &Str);
static StringRef withNullAsEmpty(const char *data);
iterator begin() const;
iterator end() const;
const unsigned char *bytes_begin() const;
const unsigned char *bytes_end() const;
iterator_range<const unsigned char *> bytes() const;
const char *data() const;
bool empty() const;
size_t size() const;
char front() const;
char back() const;
template <typename Allocator>
StringRef copy(Allocator &A) const;
bool equals(StringRef RHS) const;
bool equals_lower(StringRef RHS) const;
int compare(StringRef RHS) const;
int compare_lower(StringRef RHS) const;
int compare_numeric(StringRef RHS) const;
unsigned edit_distance(StringRef Other, bool AllowReplacements = true,
unsigned MaxEditDistance = 0) const;
std::string str() const;
char operator[](size_t Index) const;
template <typename T>
typename std::enable_if<std::is_same<T, std::string>::value,
StringRef>::type &
operator=(T &&Str) = delete;
operator std::string() const;
bool startswith(StringRef Prefix) const;
bool startswith_lower(StringRef Prefix) const;
bool endswith(StringRef Suffix) const;
bool endswith_lower(StringRef Suffix) const;
size_t find(char C, size_t From = 0) const;
size_t find_lower(char C, size_t From = 0) const;
size_t find_if(function_ref<bool(char)> F, size_t From = 0) const;
size_t find_if_not(function_ref<bool(char)> F, size_t From = 0) const;
size_t find(StringRef Str, size_t From = 0) const;
size_t find_lower(StringRef Str, size_t From = 0) const;
size_t rfind(char C, size_t From = npos) const;
size_t rfind_lower(char C, size_t From = npos) const;
size_t rfind(StringRef Str) const;
size_t rfind_lower(StringRef Str) const;
size_t find_first_of(char C, size_t From = 0) const;
size_t find_first_of(StringRef Chars, size_t From = 0) const;
size_t find_first_not_of(char C, size_t From = 0) const;
size_t find_first_not_of(StringRef Chars, size_t From = 0) const;
size_t find_last_of(char C, size_t From = npos) const;
size_t find_last_of(StringRef Chars, size_t From = npos) const;
size_t find_last_not_of(char C, size_t From = npos) const;
size_t find_last_not_of(StringRef Chars, size_t From = npos) const;
bool contains(StringRef Other) const;
bool contains(char C) const;
bool contains_lower(StringRef Other) const;
bool contains_lower(char C) const;
size_t count(char C) const;
size_t count(StringRef Str) const;
template <typename T>
typename std::enable_if<std::numeric_limits<T>::is_signed, bool>::type
getAsInteger(unsigned Radix, T &Result) const;
template <typename T>
typename std::enable_if<!std::numeric_limits<T>::is_signed, bool>::type
getAsInteger(unsigned Radix, T &Result) const;
template <typename T>
typename std::enable_if<std::numeric_limits<T>::is_signed, bool>::type
consumeInteger(unsigned Radix, T &Result);
template <typename T>
typename std::enable_if<!std::numeric_limits<T>::is_signed, bool>::type
consumeInteger(unsigned Radix, T &Result);
bool getAsInteger(unsigned Radix, APInt &Result) const;
bool getAsDouble(double &Result, bool AllowInexact = true) const;
std::string lower() const;
std::string upper() const;
StringRef substr(size_t Start, size_t N = npos) const;
StringRef take_front(size_t N = 1) const;
StringRef take_back(size_t N = 1) const;
StringRef take_while(function_ref<bool(char)> F) const;
StringRef take_until(function_ref<bool(char)> F) const;
StringRef drop_front(size_t N = 1) const;
StringRef drop_back(size_t N = 1) const;
StringRef drop_while(function_ref<bool(char)> F) const;
StringRef drop_until(function_ref<bool(char)> F) const;
bool consume_front(StringRef Prefix);
bool consume_back(StringRef Suffix);
StringRef slice(size_t Start, size_t End) const;
std::pair<StringRef, StringRef> split(char Separator) const;
std::pair<StringRef, StringRef> split(StringRef Separator) const;
std::pair<StringRef, StringRef> rsplit(StringRef Separator) const;
void split(SmallVectorImpl<StringRef> &A,
StringRef Separator, int MaxSplit = -1,
bool KeepEmpty = true) const;
void split(SmallVectorImpl<StringRef> &A, char Separator, int MaxSplit = -1,
bool KeepEmpty = true) const;
std::pair<StringRef, StringRef> rsplit(char Separator) const;
StringRef ltrim(char Char) const;
StringRef ltrim(StringRef Chars = " \t\n\v\f\r") const;
StringRef rtrim(char Char) const;
StringRef rtrim(StringRef Chars = " \t\n\v\f\r") const;
StringRef trim(char Char) const;
StringRef trim(StringRef Chars = " \t\n\v\f\r") const;
};
inline bool operator==(StringRef LHS, StringRef RHS);
inline bool operator!=(StringRef LHS, StringRef RHS);
inline bool operator<(StringRef LHS, StringRef RHS);
inline bool operator<=(StringRef LHS, StringRef RHS);
inline bool operator>(StringRef LHS, StringRef RHS);
inline bool operator>=(StringRef LHS, StringRef RHS);
inline std::string &operator+=(std::string &buffer, StringRef string);
hash_code hash_value(StringRef S);
} // end of namespace llvm
//===----------------------------------------------------------------------===//
// Tests for StringRef.
//===----------------------------------------------------------------------===//
void temporarayStringToStringRefAssignmentTest() {
// TODO: Emit a warning.
llvm::StringRef Ref = std::string("Yimmy yummy test.");
}
void assigningStringToStringRefWithLongerLifetimeTest() {
llvm::StringRef Ref;
{
// TODO: Emit a warning.
std::string TmpStr("This is a fine string.");
Ref = TmpStr;
}
}
std::string getTemporaryString() {
return "One two three.";
}
void assigningTempStringFromFunctionToStringRefTest() {
// TODO: Emit a warning.
llvm::StringRef Ref = getTemporaryString();
}
//===----------------------------------------------------------------------===//
// Forward declaration for Clang AST nodes.
//===----------------------------------------------------------------------===//
namespace llvm {
template <class T, int Size>
struct SmallVector {};
} // end of namespace llvm
namespace clang {
struct Type;
struct Decl;
struct Stmt;
struct Attr;
} // end of namespace clang
//===----------------------------------------------------------------------===//
// Tests for Clang AST nodes.
//===----------------------------------------------------------------------===//
namespace clang {
struct Type {
std::string str; // expected-warning{{AST class 'Type' has a field 'str' that allocates heap memory (type std::string)}}
};
} // end of namespace clang
namespace clang {
struct Decl {
llvm::SmallVector<int, 5> Vec; // expected-warning{{AST class 'Decl' has a field 'Vec' that allocates heap memory (type llvm::SmallVector<int, 5>)}}
};
} // end of namespace clang
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