Index: third_party/harfbuzz-ng/src/hb-open-type-private.hh |
diff --git a/third_party/harfbuzz-ng/src/hb-open-type-private.hh b/third_party/harfbuzz-ng/src/hb-open-type-private.hh |
index 8f3001b669abb2660dd7d265c140ca53abdd2a3d..8143b28a681fd94ed3a0eaafd2d9ab7a605ccc10 100644 |
--- a/third_party/harfbuzz-ng/src/hb-open-type-private.hh |
+++ b/third_party/harfbuzz-ng/src/hb-open-type-private.hh |
@@ -1,5 +1,5 @@ |
/* |
- * Copyright (C) 2007,2008,2009,2010 Red Hat, Inc. |
+ * Copyright © 2007,2008,2009,2010 Red Hat, Inc. |
* |
* This is part of HarfBuzz, a text shaping library. |
* |
@@ -27,12 +27,10 @@ |
#ifndef HB_OPEN_TYPE_PRIVATE_HH |
#define HB_OPEN_TYPE_PRIVATE_HH |
-#include "hb-private.h" |
+#include "hb-private.hh" |
#include "hb-blob.h" |
-HB_BEGIN_DECLS |
-HB_END_DECLS |
/* |
@@ -144,29 +142,6 @@ ASSERT_STATIC (Type::min_size + 1 <= sizeof (_Null##Type)) |
#define Null(Type) Null<Type>() |
-/* |
- * Trace |
- */ |
- |
- |
-template <int max_depth> |
-struct hb_trace_t { |
- explicit hb_trace_t (unsigned int *pdepth, const char *what, const char *function, const void *obj) : pdepth(pdepth) { |
- (void) (*pdepth < max_depth && |
- fprintf (stderr, "%s(%p) %-*d-> %s\n", what, obj, *pdepth, *pdepth, function)); |
- if (max_depth) ++*pdepth; |
- } |
- ~hb_trace_t (void) { if (max_depth) --*pdepth; } |
- |
- private: |
- unsigned int *pdepth; |
-}; |
-template <> /* Optimize when tracing is disabled */ |
-struct hb_trace_t<0> { |
- explicit hb_trace_t (unsigned int *pdepth HB_UNUSED, const char *what HB_UNUSED, const char *function HB_UNUSED, const void *obj HB_UNUSED) {} |
-}; |
- |
- |
/* |
* Sanitize |
@@ -178,33 +153,36 @@ struct hb_trace_t<0> { |
#define TRACE_SANITIZE() \ |
- hb_trace_t<HB_DEBUG_SANITIZE> trace (&c->debug_depth, "SANITIZE", HB_FUNC, this); \ |
+ hb_auto_trace_t<HB_DEBUG_SANITIZE> trace (&c->debug_depth, "SANITIZE", this, NULL, HB_FUNC); |
struct hb_sanitize_context_t |
{ |
- inline void init (hb_blob_t *blob) |
+ inline void init (hb_blob_t *b) |
+ { |
+ this->blob = hb_blob_reference (b); |
+ this->writable = false; |
+ } |
+ |
+ inline void setup (void) |
{ |
- this->blob = hb_blob_reference (blob); |
- this->start = hb_blob_lock (blob); |
- this->end = this->start + hb_blob_get_length (blob); |
- this->writable = hb_blob_is_writable (blob); |
+ this->start = hb_blob_get_data (this->blob, NULL); |
+ this->end = this->start + hb_blob_get_length (this->blob); |
this->edit_count = 0; |
this->debug_depth = 0; |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "sanitize %p init [%p..%p] (%lu bytes)\n", |
- this->blob, this->start, this->end, |
- (unsigned long) (this->end - this->start))); |
+ DEBUG_MSG (SANITIZE, this->blob, |
+ "init [%p..%p] (%lu bytes)", |
+ this->start, this->end, |
+ (unsigned long) (this->end - this->start)); |
} |
inline void finish (void) |
{ |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "sanitize %p fini [%p..%p] %u edit requests\n", |
- this->blob, this->start, this->end, this->edit_count)); |
+ DEBUG_MSG (SANITIZE, this->blob, |
+ "fini [%p..%p] %u edit requests", |
+ this->start, this->end, this->edit_count); |
- hb_blob_unlock (this->blob); |
hb_blob_destroy (this->blob); |
this->blob = NULL; |
this->start = this->end = NULL; |
@@ -217,13 +195,12 @@ struct hb_sanitize_context_t |
p <= this->end && |
(unsigned int) (this->end - p) >= len; |
- (void) (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE && |
- fprintf (stderr, "SANITIZE(%p) %-*d-> range [%p..%p] (%d bytes) in [%p..%p] -> %s\n", |
- p, |
- this->debug_depth, this->debug_depth, |
- p, p + len, len, |
- this->start, this->end, |
- ret ? "pass" : "FAIL")); |
+ DEBUG_MSG_LEVEL (SANITIZE, this->blob, this->debug_depth, |
+ "%-*d-> range [%p..%p] (%d bytes) in [%p..%p] -> %s", |
+ this->debug_depth, this->debug_depth, |
+ p, p + len, len, |
+ this->start, this->end, |
+ ret ? "pass" : "FAIL"); |
return likely (ret); |
} |
@@ -231,15 +208,14 @@ struct hb_sanitize_context_t |
inline bool check_array (const void *base, unsigned int record_size, unsigned int len) const |
{ |
const char *p = (const char *) base; |
- bool overflows = record_size > 0 && len >= ((unsigned int) -1) / record_size; |
+ bool overflows = _hb_unsigned_int_mul_overflows (len, record_size); |
- (void) (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE && |
- fprintf (stderr, "SANITIZE(%p) %-*d-> array [%p..%p] (%d*%d=%ld bytes) in [%p..%p] -> %s\n", |
- p, |
- this->debug_depth, this->debug_depth, |
- p, p + (record_size * len), record_size, len, (unsigned long) record_size * len, |
- this->start, this->end, |
- !overflows ? "does not overflow" : "OVERFLOWS FAIL")); |
+ DEBUG_MSG_LEVEL (SANITIZE, this->blob, this->debug_depth, |
+ "%-*d-> array [%p..%p] (%d*%d=%ld bytes) in [%p..%p] -> %s", |
+ this->debug_depth, this->debug_depth, |
+ p, p + (record_size * len), record_size, len, (unsigned long) record_size * len, |
+ this->start, this->end, |
+ !overflows ? "does not overflow" : "OVERFLOWS FAIL"); |
return likely (!overflows && this->check_range (base, record_size * len)); |
} |
@@ -255,14 +231,13 @@ struct hb_sanitize_context_t |
const char *p = (const char *) base; |
this->edit_count++; |
- (void) (HB_DEBUG_SANITIZE && (int) this->debug_depth < (int) HB_DEBUG_SANITIZE && |
- fprintf (stderr, "SANITIZE(%p) %-*d-> edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s\n", |
- p, |
- this->debug_depth, this->debug_depth, |
- this->edit_count, |
- p, p + len, len, |
- this->start, this->end, |
- this->writable ? "granted" : "REJECTED")); |
+ DEBUG_MSG_LEVEL (SANITIZE, this->blob, this->debug_depth, |
+ "%-*d-> edit(%u) [%p..%p] (%d bytes) in [%p..%p] -> %s", |
+ this->debug_depth, this->debug_depth, |
+ this->edit_count, |
+ p, p + len, len, |
+ this->start, this->end, |
+ this->writable ? "granted" : "REJECTED"); |
return this->writable; |
} |
@@ -286,14 +261,12 @@ struct Sanitizer |
/* TODO is_sane() stuff */ |
- if (!blob) |
- return hb_blob_create_empty (); |
+ c->init (blob); |
retry: |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "Sanitizer %p start %s\n", blob, HB_FUNC)); |
+ DEBUG_MSG_FUNC (SANITIZE, blob, "start"); |
- c->init (blob); |
+ c->setup (); |
if (unlikely (!c->start)) { |
c->finish (); |
@@ -305,44 +278,45 @@ struct Sanitizer |
sane = t->sanitize (c); |
if (sane) { |
if (c->edit_count) { |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "Sanitizer %p passed first round with %d edits; doing a second round %s\n", |
- blob, c->edit_count, HB_FUNC)); |
+ DEBUG_MSG_FUNC (SANITIZE, blob, "passed first round with %d edits; going for second round", c->edit_count); |
/* sanitize again to ensure no toe-stepping */ |
c->edit_count = 0; |
sane = t->sanitize (c); |
if (c->edit_count) { |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "Sanitizer %p requested %d edits in second round; FAILLING %s\n", |
- blob, c->edit_count, HB_FUNC)); |
+ DEBUG_MSG_FUNC (SANITIZE, blob, "requested %d edits in second round; FAILLING", c->edit_count); |
sane = false; |
} |
} |
- c->finish (); |
} else { |
unsigned int edit_count = c->edit_count; |
- c->finish (); |
- if (edit_count && !hb_blob_is_writable (blob) && hb_blob_try_writable (blob)) { |
- /* ok, we made it writable by relocating. try again */ |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "Sanitizer %p retry %s\n", blob, HB_FUNC)); |
- goto retry; |
+ if (edit_count && !c->writable) { |
+ c->start = hb_blob_get_data_writable (blob, NULL); |
+ c->end = c->start + hb_blob_get_length (blob); |
+ |
+ if (c->start) { |
+ c->writable = true; |
+ /* ok, we made it writable by relocating. try again */ |
+ DEBUG_MSG_FUNC (SANITIZE, blob, "retry"); |
+ goto retry; |
+ } |
} |
} |
- (void) (HB_DEBUG_SANITIZE && |
- fprintf (stderr, "Sanitizer %p %s %s\n", blob, sane ? "passed" : "FAILED", HB_FUNC)); |
+ c->finish (); |
+ |
+ DEBUG_MSG_FUNC (SANITIZE, blob, sane ? "PASSED" : "FAILED"); |
if (sane) |
return blob; |
else { |
hb_blob_destroy (blob); |
- return hb_blob_create_empty (); |
+ return hb_blob_get_empty (); |
} |
} |
static const Type* lock_instance (hb_blob_t *blob) { |
- const char *base = hb_blob_lock (blob); |
+ hb_blob_make_immutable (blob); |
+ const char *base = hb_blob_get_data (blob, NULL); |
return unlikely (!base) ? &Null(Type) : CastP<Type> (base); |
} |
}; |
@@ -364,27 +338,27 @@ struct Sanitizer |
*/ |
-template <typename Type, int Bytes> class BEInt; |
+template <typename Type, int Bytes> struct BEInt; |
/* LONGTERMTODO: On machines allowing unaligned access, we can make the |
* following tighter by using byteswap instructions on ints directly. */ |
template <typename Type> |
-class BEInt<Type, 2> |
+struct BEInt<Type, 2> |
{ |
public: |
inline void set (Type i) { hb_be_uint16_put (v,i); } |
inline operator Type (void) const { return hb_be_uint16_get (v); } |
- inline bool operator == (const BEInt<Type, 2>& o) const { return hb_be_uint16_cmp (v, o.v); } |
+ inline bool operator == (const BEInt<Type, 2>& o) const { return hb_be_uint16_eq (v, o.v); } |
inline bool operator != (const BEInt<Type, 2>& o) const { return !(*this == o); } |
private: uint8_t v[2]; |
}; |
template <typename Type> |
-class BEInt<Type, 4> |
+struct BEInt<Type, 4> |
{ |
public: |
inline void set (Type i) { hb_be_uint32_put (v,i); } |
inline operator Type (void) const { return hb_be_uint32_get (v); } |
- inline bool operator == (const BEInt<Type, 4>& o) const { return hb_be_uint32_cmp (v, o.v); } |
+ inline bool operator == (const BEInt<Type, 4>& o) const { return hb_be_uint32_eq (v, o.v); } |
inline bool operator != (const BEInt<Type, 4>& o) const { return !(*this == o); } |
private: uint8_t v[4]; |
}; |
@@ -408,11 +382,22 @@ struct IntType |
DEFINE_SIZE_STATIC (sizeof (Type)); |
}; |
+/* Typedef these to avoid clash with windows.h */ |
+#define USHORT HB_USHORT |
+#define SHORT HB_SHORT |
+#define ULONG HB_ULONG |
+#define LONG HB_LONG |
typedef IntType<uint16_t> USHORT; /* 16-bit unsigned integer. */ |
typedef IntType<int16_t> SHORT; /* 16-bit signed integer. */ |
typedef IntType<uint32_t> ULONG; /* 32-bit unsigned integer. */ |
typedef IntType<int32_t> LONG; /* 32-bit signed integer. */ |
+/* 16-bit signed integer (SHORT) that describes a quantity in FUnits. */ |
+typedef SHORT FWORD; |
+ |
+/* 16-bit unsigned integer (USHORT) that describes a quantity in FUnits. */ |
+typedef USHORT UFWORD; |
+ |
/* Date represented in number of seconds since 12:00 midnight, January 1, |
* 1904. The value is represented as a signed 64-bit integer. */ |
struct LONGDATETIME |
@@ -479,7 +464,7 @@ struct CheckSum : ULONG |
struct FixedVersion |
{ |
- inline operator uint32_t (void) const { return (major << 16) + minor; } |
+ inline uint32_t to_int (void) const { return (major << 16) + minor; } |
inline bool sanitize (hb_sanitize_context_t *c) { |
TRACE_SANITIZE (); |
@@ -712,8 +697,8 @@ struct SortedArrayOf : ArrayOf<Type> { |
template <typename SearchType> |
inline int search (const SearchType &x) const { |
- class Cmp { |
- public: static int cmp (const SearchType *a, const Type *b) { return b->cmp (*a); } |
+ struct Cmp { |
+ static int cmp (const SearchType *a, const Type *b) { return b->cmp (*a); } |
}; |
const Type *p = (const Type *) bsearch (&x, this->array, this->len, sizeof (this->array[0]), (hb_compare_func_t) Cmp::cmp); |
return p ? p - this->array : -1; |
@@ -721,7 +706,5 @@ struct SortedArrayOf : ArrayOf<Type> { |
}; |
-HB_BEGIN_DECLS |
-HB_END_DECLS |
#endif /* HB_OPEN_TYPE_PRIVATE_HH */ |