[Webkit-unassigned] [Bug 175477] New: [WPE] Build failure with Clang 4.0.1: no matching conversion for functional-style cast from 'pointer' (aka 'unsigned short *') to 'WTF::String'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175477

            Bug ID: 175477
           Summary: [WPE] Build failure with Clang 4.0.1: no matching
                    conversion for functional-style cast from 'pointer'
                    (aka 'unsigned short *') to 'WTF::String'
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit WPE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aperez at igalia.com
                CC: bugs-noreply at webkitgtk.org

Building WPE from “trunk” with Clang 4.0.1 results in the following error:

---

../../Source/WebKit/Shared/wpe/WebEventFactory.cpp:62:16: error: no matching conversion for functional-style cast from 'pointer' (aka 'unsigned short *') to 'WTF::String'
        return String(uchar16.get());
               ^~~~~~~~~~~~~~~~~~~~
../../Source/WTF/wtf/text/WTFString.h:99:27: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'const UChar *' (aka 'const char16_t *') for 1st argument
    WTF_EXPORT_STRING_API String(const UChar*);
                          ^
../../Source/WTF/wtf/text/WTFString.h:106:27: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'const LChar *' (aka 'const unsigned char *') for 1st argument
    WTF_EXPORT_STRING_API String(const LChar* characters);
                          ^
../../Source/WTF/wtf/text/WTFString.h:107:27: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'const char *' for 1st argument
    WTF_EXPORT_STRING_API String(const char* characters);
                          ^
../../Source/WTF/wtf/text/WTFString.h:122:27: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'WTF::ASCIILiteral' for 1st argument
    WTF_EXPORT_STRING_API String(ASCIILiteral);
                          ^
../../Source/WTF/wtf/text/WTFString.h:132:5: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'const WTF::String' for 1st argument
    String(const String& other)
    ^
../../Source/WTF/wtf/text/WTFString.h:135:5: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'WTF::String' for 1st argument
    String(String&& other)
    ^
../../Source/WTF/wtf/text/WTFString.h:476:5: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'WTF::HashTableDeletedValueType' for 1st argument
    String(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue) { }
    ^
../../Source/WTF/wtf/text/WTFString.h:552:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'WTF::StringImpl &' for 1st argument
inline String::String(StringImpl& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:557:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'WTF::StringImpl *' for 1st argument
inline String::String(StringImpl* impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:562:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'Ref<WTF::StringImpl>' for 1st argument
inline String::String(Ref<StringImpl>&& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:567:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'RefPtr<WTF::StringImpl>' for 1st argument
inline String::String(RefPtr<StringImpl>&& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:572:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'Ref<WTF::AtomicStringImpl>' for 1st argument
inline String::String(Ref<AtomicStringImpl>&& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:577:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'RefPtr<WTF::AtomicStringImpl>' for 1st argument
inline String::String(RefPtr<AtomicStringImpl>&& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:582:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'StaticStringImpl &' (aka 'WTF::StringImpl::StaticStringImpl &') for 1st argument
inline String::String(StaticStringImpl& impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:587:16: note: candidate constructor not viable: no known conversion from 'pointer' (aka 'unsigned short *') to 'StaticStringImpl *' (aka 'WTF::StringImpl::StaticStringImpl *') for 1st argument
inline String::String(StaticStringImpl* impl)
               ^
../../Source/WTF/wtf/text/WTFString.h:593:9: note: candidate template ignored: could not match 'Vector<char16_t, inlineCapacity, type-parameter-0-1, 16>' against 'unsigned short *'
String::String(const Vector<UChar, inlineCapacity, OverflowHandler>& vector)
        ^
../../Source/WTF/wtf/text/WTFString.h:128:5: note: candidate constructor template not viable: requires 2 arguments, but 1 was provided
    String(const char (&characters)[characterCount], ConstructFromLiteralTag) : m_impl(StringImpl::createFromLiteral<characterCount>(characters)) { }
    ^
../../Source/WTF/wtf/text/WTFString.h:82:5: note: candidate constructor not viable: requires 0 arguments, but 1 was provided
    String() { }
    ^
../../Source/WTF/wtf/text/WTFString.h:103:27: note: candidate constructor not viable: requires 2 arguments, but 1 was provided
    WTF_EXPORT_STRING_API String(const char* characters, unsigned length);
                          ^
../../Source/WTF/wtf/text/WTFString.h:102:27: note: candidate constructor not viable: requires 2 arguments, but 1 was provided
    WTF_EXPORT_STRING_API String(const LChar* characters, unsigned length);
                          ^
../../Source/WTF/wtf/text/WTFString.h:85:27: note: candidate constructor not viable: requires 2 arguments, but 1 was provided
    WTF_EXPORT_STRING_API String(const UChar* characters, unsigned length);
                          ^

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