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[harfbuzz.cc] Fix OffsetTable name clash with Mac headers 

There's no easy way to undo a "using namespace" in our sources, so by the time
we get to include hb-coretext.cc from harfbuzz.cc, we already have "using namespace OT"
active, which clashes with Mac headers.

Error was:
$ gcc -O3 -Wall -arch i386 -DHAVE_CORETEXT=1 -c harfbuzz.cc -o harfbuzz.o -std=c++11
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework/Headers/TextUtils.h:288:3: error:
      reference to 'OffsetTable' is ambiguous
  OffsetTable     offsets,
  ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework/Headers/IntlResources.h:115:41: note:
      candidate found by name lookup is 'OffsetTable'
typedef OffPair                         OffsetTable[3];
                                        ^
./hb-open-file.hh:81:16: note: candidate found by name lookup is 'OT::OffsetTable'
typedef struct OffsetTable
               ^
1 error generated.
This commit is contained in:
Behdad Esfahbod 2021-02-17 11:34:47 -07:00
parent 6a9f576fd4
commit 505b3fc6cf
2 changed files with 4 additions and 4 deletions
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6
src/hb-open-file.hh
View File

@ -48,7 +48,7 @@ namespace OT {
*/
struct OpenTypeFontFile;
struct OffsetTable;
struct OpenTypeOffsetTable;
struct TTCHeader;
@ -78,7 +78,7 @@ typedef struct TableRecord
DEFINE_SIZE_STATIC (16);
} OpenTypeTable;
typedef struct OffsetTable
typedef struct OpenTypeOffsetTable
{
friend struct OpenTypeFontFile;
@ -218,7 +218,7 @@ struct TTCHeaderVersion1
Tag ttcTag; /* TrueType Collection ID string: 'ttcf' */
FixedVersion<>version; /* Version of the TTC Header (1.0),
* 0x00010000u */
LArrayOf<LOffsetTo<OffsetTable>>
LArrayOf<LOffsetTo<OpenTypeOffsetTable>>
table; /* Array of offsets to the OffsetTable for each font
* from the beginning of the file */
public:

2
src/hb-ot-head-table.hh
View File

@ -43,7 +43,7 @@ namespace OT {
struct head
{
friend struct OffsetTable;
friend struct OpenTypeOffsetTable;
static constexpr hb_tag_t tableTag = HB_OT_TAG_head;