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Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc28
1 files changed, 23 insertions, 5 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc
index dea2c11c35e..5453e1ca94e 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-verify.cc
@@ -102,9 +102,9 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
/* Check that breaking up shaping at safe-to-break is indeed safe. */
hb_buffer_t *fragment = hb_buffer_create_similar (buffer);
- hb_buffer_set_flags (fragment, hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY);
+ hb_buffer_set_flags (fragment, (hb_buffer_flags_t (hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY)));
hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer);
- hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY);
+ hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY)));
unsigned int num_glyphs;
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs);
@@ -169,6 +169,12 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer,
hb_buffer_destroy (fragment);
return false;
}
+ else if (!fragment->successful || fragment->shaping_failed)
+ {
+ hb_buffer_destroy (reconstruction);
+ hb_buffer_destroy (fragment);
+ return true;
+ }
hb_buffer_append (reconstruction, fragment, 0, -1);
start = end;
@@ -238,10 +244,10 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
hb_buffer_t *fragments[2] {hb_buffer_create_similar (buffer),
hb_buffer_create_similar (buffer)};
- hb_buffer_set_flags (fragments[0], hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY);
- hb_buffer_set_flags (fragments[1], hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY);
+ hb_buffer_set_flags (fragments[0], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY)));
+ hb_buffer_set_flags (fragments[1], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY)));
hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer);
- hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY);
+ hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY)));
hb_segment_properties_t props;
hb_buffer_get_segment_properties (buffer, &props);
hb_buffer_set_segment_properties (fragments[0], &props);
@@ -317,12 +323,22 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer,
ret = false;
goto out;
}
+ else if (!fragments[0]->successful || fragments[0]->shaping_failed)
+ {
+ ret = true;
+ goto out;
+ }
if (!hb_shape_full (font, fragments[1], features, num_features, shapers))
{
buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment.");
ret = false;
goto out;
}
+ else if (!fragments[1]->successful || fragments[1]->shaping_failed)
+ {
+ ret = true;
+ goto out;
+ }
if (!forward)
{
@@ -402,6 +418,7 @@ hb_buffer_t::verify (hb_buffer_t *text_buffer,
ret = false;
if (!ret)
{
+#ifndef HB_NO_BUFFER_SERIALIZE
unsigned len = text_buffer->len;
hb_vector_t<char> bytes;
if (likely (bytes.resize (len * 10 + 16)))
@@ -414,6 +431,7 @@ hb_buffer_t::verify (hb_buffer_t *text_buffer,
HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS);
buffer_verify_error (this, font, BUFFER_VERIFY_ERROR "text was: %s.", bytes.arrayZ);
}
+#endif
}
return ret;
}