gcc/testsuite/g++.dg/ext/pr57735.C

   1 /* { dg-do compile { target arm*-*-* } } */
   2 /* { dg-require-effective-target arm_arch_v5te_ok } */
   3 /* { dg-require-effective-target arm_arm_ok } */
   4 /* { dg-skip-if "do not override -mfloat-abi" { *-*-* } { "-mfloat-abi=*" } {"-mfloat-abi=soft" } } */
   5 /* { dg-options "-march=armv5te -marm  -mtune=xscale -mfloat-abi=soft -O1" } */
   6
   7 typedef unsigned int size_t;
   8 __extension__
   9 typedef long long int int64_t;
  10 namespace WTF {
  11     template<typename T> class RefPtr {
  12     public:
  13         inline T* operator->() const { return m_ptr; }
  14         T* m_ptr;
  15     };
  16 }
  17 using WTF::RefPtr;
  18 namespace JSC {
  19     class ExecState;
  20     class JSString;
  21     typedef int64_t EncodedJSValue;
  22     class JSValue {
  23     public:
  24         static EncodedJSValue encode(JSValue);
  25         JSString* toString(ExecState*) const;
  26     };
  27 }
  28 typedef unsigned char LChar;
  29     typedef short unsigned int UChar;
  30 namespace WTF {
  31     template<typename T, size_t inlineCapacity = 0>
  32     class Vector {
  33     public:
  34         template<typename U> bool tryAppend(const U*, size_t);
  35     };
  36 }
  37 using WTF::Vector;
  38 namespace WTF {
  39 template<typename CharType> inline bool isASCIIDigit(CharType c)
  40 {
  41 }
  42 template<typename CharType> inline bool isASCIIHexDigit(CharType c)
  43 {
  44     return isASCIIDigit(c) || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
  45 }
  46     class StringImpl;
  47 }
  48 using WTF::StringImpl;
  49 namespace WTF {
  50 class StringImpl {
  51 public:
  52     unsigned length() const { return m_length; }
  53     unsigned m_length;
  54 };
  55 }
  56 namespace JSC {
  57     class Register {
  58     };
  59 class UString {
  60 public:
  61     unsigned length() const
  62     {
  63         return m_impl->length();
  64     }
  65     const LChar* characters8() const
  66     {
  67     }
  68     RefPtr<StringImpl> m_impl;
  69 };
  70     class ExecState : private Register {
  71     public:
  72         JSValue argument(size_t argument)
  73         {
  74         }
  75     };
  76     class JSCell {
  77     };
  78     class JSString : public JSCell {
  79     public:
  80         const UString& value(ExecState*) const;
  81     };
  82 class JSStringBuilder {
  83 public:
  84     void append(const UChar u)
  85     {
  86         m_okay &= buffer16.tryAppend(&u, 1);
  87     }
  88     Vector<UChar, 64> buffer16;
  89     bool m_okay;
  90 };
  91 template <typename T>
  92 class Lexer {
  93 public:
  94     static unsigned char convertHex(int c1, int c2);
  95 };
  96 }
  97 namespace WTF {
  98 namespace Unicode {
  99     int UTF8SequenceLength(char);
 100     int decodeUTF8Sequence(const char*);
 101 }
 102 }
 103 using namespace WTF;
 104 using namespace Unicode;
 105 namespace JSC {
 106 template <typename CharType>
 107 static JSValue decode(ExecState* exec, const CharType* characters, int length, const char* doNotUnescape, bool strict)
 108 {
 109     JSStringBuilder builder;
 110     int k = 0;
 111     UChar u = 0;
 112     while (k < length) {
 113         const CharType* p = characters + k;
 114         CharType c = *p;
 115         if (c == '%') {
 116             int charLen = 0;
 117             if (k <= length - 3 && isASCIIHexDigit(p[1]) && isASCIIHexDigit(p[2])) {
 118                 const char b0 = Lexer<CharType>::convertHex(p[1], p[2]);
 119                 const int sequenceLen = UTF8SequenceLength(b0);
 120                 if (sequenceLen && k <= length - sequenceLen * 3) {
 121                     charLen = sequenceLen * 3;
 122                     char sequence[5];
 123                     if (charLen != 0) {
 124                         const int character = decodeUTF8Sequence(sequence);
 125                         if (character < 0 || character >= 0x110000)
 126                             charLen = 0;
 127                         else if (character >= 0x10000) {
 128                             builder.append(static_cast<UChar>(0xD800 | ((character - 0x10000) >> 10)));
 129                         } else
 130                             u = static_cast<UChar>(character);
 131                     }
 132                 }
 133             }
 134         }
 135     }
 136 }
 137 static JSValue decode(ExecState* exec, const char* doNotUnescape, bool strict)
 138 {
 139     UString str = exec->argument(0).toString(exec)->value(exec);
 140         return decode(exec, str.characters8(), str.length(), doNotUnescape, strict);
 141 }
 142 EncodedJSValue globalFuncDecodeURI(ExecState* exec)
 143 {
 144     static const char do_not_unescape_when_decoding_URI[] =
 145         "#$&+,/:;=?@";
 146     return JSValue::encode(decode(exec, do_not_unescape_when_decoding_URI, true));
 147 }
 148 }