Add return annotation for APPLY

This commit is contained in:
Behdad Esfahbod 2012-05-11 02:33:11 +02:00
parent 5ccfe8e215
commit acea183e98
3 changed files with 151 additions and 209 deletions

View File

@ -412,7 +412,7 @@ struct MarkArray : ArrayOf<MarkRecord> /* Array of MarkRecords--in Coverage orde
o.attach_lookback() = c->buffer->idx - glyph_pos;
c->buffer->idx++;
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -433,14 +433,13 @@ struct SinglePosFormat1
{
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
valueFormat.apply_value (c->font, c->direction, this,
values, c->buffer->pos[c->buffer->idx]);
c->buffer->idx++;
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -471,18 +470,16 @@ struct SinglePosFormat2
{
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
if (likely (index >= valueCount))
return false;
if (likely (index >= valueCount)) return TRACE_RETURN (false);
valueFormat.apply_value (c->font, c->direction, this,
&values[index * valueFormat.get_len ()],
c->buffer->pos[c->buffer->idx]);
c->buffer->idx++;
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -513,9 +510,9 @@ struct SinglePos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
case 2: return u.format2.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
case 2: return TRACE_RETURN (u.format2.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -578,12 +575,12 @@ struct PairSet
if (len2)
pos++;
c->buffer->idx = pos;
return true;
return TRACE_RETURN (true);
}
record = &StructAtOffset<PairValueRecord> (record, record_size);
}
return false;
return TRACE_RETURN (false);
}
struct sanitize_closure_t {
@ -621,17 +618,14 @@ struct PairPosFormat1
{
TRACE_APPLY ();
hb_apply_context_t::mark_skipping_forward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (skippy_iter.has_no_chance ())
return false;
if (skippy_iter.has_no_chance ()) return TRACE_RETURN (false);
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
if (!skippy_iter.next ())
return false;
if (!skippy_iter.next ()) return TRACE_RETURN (false);
return (this+pairSet[index]).apply (c, &valueFormat1, skippy_iter.idx);
return TRACE_RETURN ((this+pairSet[index]).apply (c, &valueFormat1, skippy_iter.idx));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -676,15 +670,12 @@ struct PairPosFormat2
{
TRACE_APPLY ();
hb_apply_context_t::mark_skipping_forward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (skippy_iter.has_no_chance ())
return false;
if (skippy_iter.has_no_chance ()) return TRACE_RETURN (false);
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
if (!skippy_iter.next ())
return false;
if (!skippy_iter.next ()) return TRACE_RETURN (false);
unsigned int len1 = valueFormat1.get_len ();
unsigned int len2 = valueFormat2.get_len ();
@ -692,8 +683,7 @@ struct PairPosFormat2
unsigned int klass1 = (this+classDef1) (c->buffer->info[c->buffer->idx].codepoint);
unsigned int klass2 = (this+classDef2) (c->buffer->info[skippy_iter.idx].codepoint);
if (unlikely (klass1 >= class1Count || klass2 >= class2Count))
return false;
if (unlikely (klass1 >= class1Count || klass2 >= class2Count)) return TRACE_RETURN (false);
const Value *v = &values[record_len * (klass1 * class2Count + klass2)];
valueFormat1.apply_value (c->font, c->direction, this,
@ -705,7 +695,7 @@ struct PairPosFormat2
if (len2)
c->buffer->idx++;
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -764,9 +754,9 @@ struct PairPos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
case 2: return u.format2.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
case 2: return TRACE_RETURN (u.format2.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -821,23 +811,18 @@ struct CursivePosFormat1
TRACE_APPLY ();
/* We don't handle mark glyphs here. */
if (c->property & HB_OT_LAYOUT_GLYPH_CLASS_MARK)
return false;
if (c->property & HB_OT_LAYOUT_GLYPH_CLASS_MARK) return TRACE_RETURN (false);
hb_apply_context_t::mark_skipping_forward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (skippy_iter.has_no_chance ())
return false;
if (skippy_iter.has_no_chance ()) return TRACE_RETURN (false);
const EntryExitRecord &this_record = entryExitRecord[(this+coverage) (c->buffer->info[c->buffer->idx].codepoint)];
if (!this_record.exitAnchor)
return false;
if (!this_record.exitAnchor) return TRACE_RETURN (false);
if (!skippy_iter.next ())
return false;
if (!skippy_iter.next ()) return TRACE_RETURN (false);
const EntryExitRecord &next_record = entryExitRecord[(this+coverage) (c->buffer->info[skippy_iter.idx].codepoint)];
if (!next_record.entryAnchor)
return false;
if (!next_record.entryAnchor) return TRACE_RETURN (false);
unsigned int i = c->buffer->idx;
unsigned int j = skippy_iter.idx;
@ -900,7 +885,7 @@ struct CursivePosFormat1
}
c->buffer->idx = j;
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -929,8 +914,8 @@ struct CursivePos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -965,24 +950,20 @@ struct MarkBasePosFormat1
{
TRACE_APPLY ();
unsigned int mark_index = (this+markCoverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (mark_index == NOT_COVERED))
return false;
if (likely (mark_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a non-mark glyph */
unsigned int property;
hb_apply_context_t::mark_skipping_backward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (!skippy_iter.prev (&property, LookupFlag::IgnoreMarks))
return false;
if (!skippy_iter.prev (&property, LookupFlag::IgnoreMarks)) return TRACE_RETURN (false);
/* The following assertion is too strong, so we've disabled it. */
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH))
{/*return false;*/}
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH)) {/*return TRACE_RETURN (false);*/}
unsigned int base_index = (this+baseCoverage) (c->buffer->info[skippy_iter.idx].codepoint);
if (base_index == NOT_COVERED)
return false;
if (base_index == NOT_COVERED) return TRACE_RETURN (false);
return (this+markArray).apply (c, mark_index, base_index, this+baseArray, classCount, skippy_iter.idx);
return TRACE_RETURN ((this+markArray).apply (c, mark_index, base_index, this+baseArray, classCount, skippy_iter.idx));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1019,8 +1000,8 @@ struct MarkBasePos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -1060,31 +1041,27 @@ struct MarkLigPosFormat1
{
TRACE_APPLY ();
unsigned int mark_index = (this+markCoverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (mark_index == NOT_COVERED))
return false;
if (likely (mark_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a non-mark glyph */
unsigned int property;
hb_apply_context_t::mark_skipping_backward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (!skippy_iter.prev (&property, LookupFlag::IgnoreMarks))
return false;
if (!skippy_iter.prev (&property, LookupFlag::IgnoreMarks)) return TRACE_RETURN (false);
/* The following assertion is too strong, so we've disabled it. */
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE))
{/*return false;*/}
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE)) {/*return TRACE_RETURN (false);*/}
unsigned int j = skippy_iter.idx;
unsigned int lig_index = (this+ligatureCoverage) (c->buffer->info[j].codepoint);
if (lig_index == NOT_COVERED)
return false;
if (lig_index == NOT_COVERED) return TRACE_RETURN (false);
const LigatureArray& lig_array = this+ligatureArray;
const LigatureAttach& lig_attach = lig_array[lig_index];
/* Find component to attach to */
unsigned int comp_count = lig_attach.rows;
if (unlikely (!comp_count))
return false;
if (unlikely (!comp_count)) return TRACE_RETURN (false);
unsigned int comp_index;
/* We must now check whether the ligature ID of the current mark glyph
* is identical to the ligature ID of the found ligature. If yes, we
@ -1101,7 +1078,7 @@ struct MarkLigPosFormat1
else
comp_index = comp_count - 1;
return (this+markArray).apply (c, mark_index, comp_index, lig_attach, classCount, j);
return TRACE_RETURN ((this+markArray).apply (c, mark_index, comp_index, lig_attach, classCount, j));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1139,8 +1116,8 @@ struct MarkLigPos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -1175,17 +1152,14 @@ struct MarkMarkPosFormat1
{
TRACE_APPLY ();
unsigned int mark1_index = (this+mark1Coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (mark1_index == NOT_COVERED))
return false;
if (likely (mark1_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a suitable mark glyph until a non-mark glyph */
unsigned int property;
hb_apply_context_t::mark_skipping_backward_iterator_t skippy_iter (c, c->buffer->idx, 1);
if (!skippy_iter.prev (&property))
return false;
if (!skippy_iter.prev (&property)) return TRACE_RETURN (false);
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_MARK))
return false;
if (!(property & HB_OT_LAYOUT_GLYPH_CLASS_MARK)) return TRACE_RETURN (false);
unsigned int j = skippy_iter.idx;
@ -1195,13 +1169,12 @@ struct MarkMarkPosFormat1
if ((get_lig_comp (c->buffer->info[j]) != get_lig_comp (c->buffer->info[c->buffer->idx])) ||
(get_lig_comp (c->buffer->info[j]) > 0 &&
get_lig_id (c->buffer->info[j]) != get_lig_id (c->buffer->info[c->buffer->idx])))
return false;
return TRACE_RETURN (false);
unsigned int mark2_index = (this+mark2Coverage) (c->buffer->info[j].codepoint);
if (mark2_index == NOT_COVERED)
return false;
if (mark2_index == NOT_COVERED) return TRACE_RETURN (false);
return (this+mark1Array).apply (c, mark1_index, mark2_index, this+mark2Array, classCount, j);
return TRACE_RETURN ((this+mark1Array).apply (c, mark1_index, mark2_index, this+mark2Array, classCount, j));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1241,8 +1214,8 @@ struct MarkMarkPos
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -1273,7 +1246,7 @@ struct ContextPos : Context
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return Context::apply (c, position_lookup);
return TRACE_RETURN (Context::apply (c, position_lookup));
}
};
@ -1285,7 +1258,7 @@ struct ChainContextPos : ChainContext
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return ChainContext::apply (c, position_lookup);
return TRACE_RETURN (ChainContext::apply (c, position_lookup));
}
};
@ -1334,16 +1307,16 @@ struct PosLookupSubTable
{
TRACE_APPLY ();
switch (lookup_type) {
case Single: return u.single.apply (c);
case Pair: return u.pair.apply (c);
case Cursive: return u.cursive.apply (c);
case MarkBase: return u.markBase.apply (c);
case MarkLig: return u.markLig.apply (c);
case MarkMark: return u.markMark.apply (c);
case Context: return u.c.apply (c);
case ChainContext: return u.chainContext.apply (c);
case Extension: return u.extension.apply (c);
default: return false;
case Single: return TRACE_RETURN (u.single.apply (c));
case Pair: return TRACE_RETURN (u.pair.apply (c));
case Cursive: return TRACE_RETURN (u.cursive.apply (c));
case MarkBase: return TRACE_RETURN (u.markBase.apply (c));
case MarkLig: return TRACE_RETURN (u.markLig.apply (c));
case MarkMark: return TRACE_RETURN (u.markMark.apply (c));
case Context: return TRACE_RETURN (u.c.apply (c));
case ChainContext: return TRACE_RETURN (u.chainContext.apply (c));
case Extension: return TRACE_RETURN (u.extension.apply (c));
default: return TRACE_RETURN (false);
}
}
@ -1538,7 +1511,7 @@ GPOS::position_finish (hb_buffer_t *buffer)
inline bool ExtensionPos::apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return get_subtable ().apply (c, get_type ());
return TRACE_RETURN (get_subtable ().apply (c, get_type ()));
}
inline bool ExtensionPos::sanitize (hb_sanitize_context_t *c)

View File

@ -60,15 +60,14 @@ struct SingleSubstFormat1
TRACE_APPLY ();
hb_codepoint_t glyph_id = c->buffer->info[c->buffer->idx].codepoint;
unsigned int index = (this+coverage) (glyph_id);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
/* According to the Adobe Annotated OpenType Suite, result is always
* limited to 16bit. */
glyph_id = (glyph_id + deltaGlyphID) & 0xFFFF;
c->replace_glyph (glyph_id);
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -113,16 +112,14 @@ struct SingleSubstFormat2
TRACE_APPLY ();
hb_codepoint_t glyph_id = c->buffer->info[c->buffer->idx].codepoint;
unsigned int index = (this+coverage) (glyph_id);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
if (unlikely (index >= substitute.len))
return false;
if (unlikely (index >= substitute.len)) return TRACE_RETURN (false);
glyph_id = substitute[index];
c->replace_glyph (glyph_id);
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -171,9 +168,9 @@ struct SingleSubst
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
case 2: return u.format2.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
case 2: return TRACE_RETURN (u.format2.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -213,14 +210,13 @@ struct Sequence
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
if (unlikely (!substitute.len))
return false;
if (unlikely (!substitute.len)) return TRACE_RETURN (false);
if (c->property & HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE)
c->guess_glyph_class (HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH);
c->replace_glyphs_be16 (1, substitute.len, (const uint16_t *) substitute.array);
return true;
return TRACE_RETURN (true);
}
public:
@ -262,10 +258,9 @@ struct MultipleSubstFormat1
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
return (this+sequence[index]).apply (c);
return TRACE_RETURN ((this+sequence[index]).apply (c));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -312,8 +307,8 @@ struct MultipleSubst
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -368,13 +363,11 @@ struct AlternateSubstFormat1
hb_codepoint_t glyph_id = c->buffer->info[c->buffer->idx].codepoint;
unsigned int index = (this+coverage) (glyph_id);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const AlternateSet &alt_set = this+alternateSet[index];
if (unlikely (!alt_set.len))
return false;
if (unlikely (!alt_set.len)) return TRACE_RETURN (false);
hb_mask_t glyph_mask = c->buffer->info[c->buffer->idx].mask;
hb_mask_t lookup_mask = c->lookup_mask;
@ -383,14 +376,13 @@ struct AlternateSubstFormat1
unsigned int shift = _hb_ctz (lookup_mask);
unsigned int alt_index = ((lookup_mask & glyph_mask) >> shift);
if (unlikely (alt_index > alt_set.len || alt_index == 0))
return false;
if (unlikely (alt_index > alt_set.len || alt_index == 0)) return TRACE_RETURN (false);
glyph_id = alt_set[alt_index - 1];
c->replace_glyph (glyph_id);
return true;
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -437,8 +429,8 @@ struct AlternateSubst
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -484,12 +476,10 @@ struct Ligature
{
TRACE_APPLY ();
unsigned int count = component.len;
if (unlikely (count < 2))
return false;
if (unlikely (count < 2)) return TRACE_RETURN (false);
hb_apply_context_t::mark_skipping_forward_iterator_t skippy_iter (c, c->buffer->idx, count - 1);
if (skippy_iter.has_no_chance ())
return false;
if (skippy_iter.has_no_chance ()) return TRACE_RETURN (false);
bool first_was_mark = (c->property & HB_OT_LAYOUT_GLYPH_CLASS_MARK);
bool found_non_mark = false;
@ -498,13 +488,11 @@ struct Ligature
{
unsigned int property;
if (!skippy_iter.next (&property))
return false;
if (!skippy_iter.next (&property)) return TRACE_RETURN (false);
found_non_mark |= !(property & HB_OT_LAYOUT_GLYPH_CLASS_MARK);
if (likely (c->buffer->info[skippy_iter.idx].codepoint != component[i]))
return false;
if (likely (c->buffer->info[skippy_iter.idx].codepoint != component[i])) return TRACE_RETURN (false);
}
if (first_was_mark && found_non_mark)
@ -542,7 +530,7 @@ struct Ligature
}
}
return true;
return TRACE_RETURN (true);
}
public:
@ -594,11 +582,10 @@ struct LigatureSet
for (unsigned int i = 0; i < num_ligs; i++)
{
const Ligature &lig = this+ligature[i];
if (lig.apply (c))
return true;
if (lig.apply (c)) return TRACE_RETURN (true);
}
return false;
return TRACE_RETURN (false);
}
public:
@ -644,11 +631,10 @@ struct LigatureSubstFormat1
hb_codepoint_t glyph_id = c->buffer->info[c->buffer->idx].codepoint;
unsigned int index = (this+coverage) (glyph_id);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const LigatureSet &lig_set = this+ligatureSet[index];
return lig_set.apply (c);
return TRACE_RETURN (lig_set.apply (c));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -695,8 +681,8 @@ struct LigatureSubst
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -735,7 +721,7 @@ struct ContextSubst : Context
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return Context::apply (c, substitute_lookup);
return TRACE_RETURN (Context::apply (c, substitute_lookup));
}
};
@ -754,7 +740,7 @@ struct ChainContextSubst : ChainContext
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return ChainContext::apply (c, substitute_lookup);
return TRACE_RETURN (ChainContext::apply (c, substitute_lookup));
}
};
@ -818,12 +804,10 @@ struct ReverseChainSingleSubstFormat1
inline bool apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
if (unlikely (c->context_length != NO_CONTEXT))
return false; /* No chaining to this type */
if (unlikely (c->context_length != NO_CONTEXT)) return TRACE_RETURN (false); /* No chaining to this type */
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
const ArrayOf<GlyphID> &substitute = StructAfter<ArrayOf<GlyphID> > (lookahead);
@ -838,10 +822,10 @@ struct ReverseChainSingleSubstFormat1
{
c->buffer->info[c->buffer->idx].codepoint = substitute[index];
c->buffer->idx--; /* Reverse! */
return true;
return TRACE_RETURN (true);
}
return false;
return TRACE_RETURN (false);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -894,8 +878,8 @@ struct ReverseChainSingleSubst
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c));
default:return TRACE_RETURN (false);
}
}
@ -979,15 +963,15 @@ struct SubstLookupSubTable
{
TRACE_APPLY ();
switch (lookup_type) {
case Single: return u.single.apply (c);
case Multiple: return u.multiple.apply (c);
case Alternate: return u.alternate.apply (c);
case Ligature: return u.ligature.apply (c);
case Context: return u.c.apply (c);
case ChainContext: return u.chainContext.apply (c);
case Extension: return u.extension.apply (c);
case ReverseChainSingle: return u.reverseChainContextSingle.apply (c);
default: return false;
case Single: return TRACE_RETURN (u.single.apply (c));
case Multiple: return TRACE_RETURN (u.multiple.apply (c));
case Alternate: return TRACE_RETURN (u.alternate.apply (c));
case Ligature: return TRACE_RETURN (u.ligature.apply (c));
case Context: return TRACE_RETURN (u.c.apply (c));
case ChainContext: return TRACE_RETURN (u.chainContext.apply (c));
case Extension: return TRACE_RETURN (u.extension.apply (c));
case ReverseChainSingle: return TRACE_RETURN (u.reverseChainContextSingle.apply (c));
default: return TRACE_RETURN (false);
}
}
@ -1217,7 +1201,7 @@ inline bool ExtensionSubst::would_apply (hb_codepoint_t first, hb_codepoint_t se
inline bool ExtensionSubst::apply (hb_apply_context_t *c) const
{
TRACE_APPLY ();
return get_subtable ().apply (c, get_type ());
return TRACE_RETURN (get_subtable ().apply (c, get_type ()));
}
inline bool ExtensionSubst::sanitize (hb_sanitize_context_t *c)

View File

@ -530,10 +530,7 @@ struct Rule
{
TRACE_APPLY ();
const LookupRecord *lookupRecord = &StructAtOffset<LookupRecord> (input, input[0].static_size * (inputCount ? inputCount - 1 : 0));
return context_apply_lookup (c,
inputCount, input,
lookupCount, lookupRecord,
lookup_context);
return TRACE_RETURN (context_apply_lookup (c, inputCount, input, lookupCount, lookupRecord, lookup_context));
}
public:
@ -576,9 +573,9 @@ struct RuleSet
for (unsigned int i = 0; i < num_rules; i++)
{
if ((this+rule[i]).apply (c, lookup_context))
return true;
return TRACE_RETURN (true);
}
return false;
return TRACE_RETURN (false);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -625,14 +622,14 @@ struct ContextFormat1
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
return TRACE_RETURN (false);
const RuleSet &rule_set = this+ruleSet[index];
struct ContextApplyLookupContext lookup_context = {
{match_glyph, apply_func},
NULL
};
return rule_set.apply (c, lookup_context);
return TRACE_RETURN (rule_set.apply (c, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -684,8 +681,7 @@ struct ContextFormat2
{
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const ClassDef &class_def = this+classDef;
index = class_def (c->buffer->info[c->buffer->idx].codepoint);
@ -694,7 +690,7 @@ struct ContextFormat2
{match_class, apply_func},
&class_def
};
return rule_set.apply (c, lookup_context);
return TRACE_RETURN (rule_set.apply (c, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -745,18 +741,14 @@ struct ContextFormat3
{
TRACE_APPLY ();
unsigned int index = (this+coverage[0]) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const LookupRecord *lookupRecord = &StructAtOffset<LookupRecord> (coverage, coverage[0].static_size * glyphCount);
struct ContextApplyLookupContext lookup_context = {
{match_coverage, apply_func},
this
};
return context_apply_lookup (c,
glyphCount, (const USHORT *) (coverage + 1),
lookupCount, lookupRecord,
lookup_context);
return TRACE_RETURN (context_apply_lookup (c, glyphCount, (const USHORT *) (coverage + 1), lookupCount, lookupRecord, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -803,10 +795,10 @@ struct Context
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c, apply_func);
case 2: return u.format2.apply (c, apply_func);
case 3: return u.format3.apply (c, apply_func);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c, apply_func));
case 2: return TRACE_RETURN (u.format2.apply (c, apply_func));
case 3: return TRACE_RETURN (u.format3.apply (c, apply_func));
default:return TRACE_RETURN (false);
}
}
@ -931,12 +923,11 @@ struct ChainRule
const HeadlessArrayOf<USHORT> &input = StructAfter<HeadlessArrayOf<USHORT> > (backtrack);
const ArrayOf<USHORT> &lookahead = StructAfter<ArrayOf<USHORT> > (input);
const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
return chain_context_apply_lookup (c,
return TRACE_RETURN (chain_context_apply_lookup (c,
backtrack.len, backtrack.array,
input.len, input.array,
lookahead.len, lookahead.array,
lookup.len, lookup.array,
lookup_context);
lookahead.len, lookahead.array, lookup.len,
lookup.array, lookup_context));
}
public:
@ -984,12 +975,10 @@ struct ChainRuleSet
TRACE_APPLY ();
unsigned int num_rules = rule.len;
for (unsigned int i = 0; i < num_rules; i++)
{
if ((this+rule[i]).apply (c, lookup_context))
return true;
}
return TRACE_RETURN (true);
return false;
return TRACE_RETURN (false);
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1033,15 +1022,14 @@ struct ChainContextFormat1
{
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const ChainRuleSet &rule_set = this+ruleSet[index];
struct ChainContextApplyLookupContext lookup_context = {
{match_glyph, apply_func},
{NULL, NULL, NULL}
};
return rule_set.apply (c, lookup_context);
return TRACE_RETURN (rule_set.apply (c, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1096,8 +1084,7 @@ struct ChainContextFormat2
{
TRACE_APPLY ();
unsigned int index = (this+coverage) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const ClassDef &backtrack_class_def = this+backtrackClassDef;
const ClassDef &input_class_def = this+inputClassDef;
@ -1111,7 +1098,7 @@ struct ChainContextFormat2
&input_class_def,
&lookahead_class_def}
};
return rule_set.apply (c, lookup_context);
return TRACE_RETURN (rule_set.apply (c, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1179,8 +1166,7 @@ struct ChainContextFormat3
const OffsetArrayOf<Coverage> &input = StructAfter<OffsetArrayOf<Coverage> > (backtrack);
unsigned int index = (this+input[0]) (c->buffer->info[c->buffer->idx].codepoint);
if (likely (index == NOT_COVERED))
return false;
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage> > (input);
const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord> > (lookahead);
@ -1188,12 +1174,11 @@ struct ChainContextFormat3
{match_coverage, apply_func},
{this, this, this}
};
return chain_context_apply_lookup (c,
return TRACE_RETURN (chain_context_apply_lookup (c,
backtrack.len, (const USHORT *) backtrack.array,
input.len, (const USHORT *) input.array + 1,
lookahead.len, (const USHORT *) lookahead.array,
lookup.len, lookup.array,
lookup_context);
lookup.len, lookup.array, lookup_context));
}
inline bool sanitize (hb_sanitize_context_t *c) {
@ -1247,10 +1232,10 @@ struct ChainContext
{
TRACE_APPLY ();
switch (u.format) {
case 1: return u.format1.apply (c, apply_func);
case 2: return u.format2.apply (c, apply_func);
case 3: return u.format3.apply (c, apply_func);
default:return false;
case 1: return TRACE_RETURN (u.format1.apply (c, apply_func));
case 2: return TRACE_RETURN (u.format2.apply (c, apply_func));
case 3: return TRACE_RETURN (u.format3.apply (c, apply_func));
default:return TRACE_RETURN (false);
}
}