224 lines
7.7 KiB
C++
224 lines
7.7 KiB
C++
|
// 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
|