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[HB] Automate int-type size assertion

This commit is contained in:
Behdad Esfahbod 2009-05-16 23:20:48 -04:00
parent 8b83580331
commit e07f89295b
1 changed files with 3 additions and 10 deletions
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13
src/hb-ot-layout-open-private.h
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@ -45,7 +45,7 @@
*/ */
/* XXX define these as structs of chars on machines that do not allow /* XXX define these as structs of chars on machines that do not allow
* unaligned access */ * unaligned access (using templates?). */
#define DEFINE_INT_TYPE1(NAME, TYPE, BIG_ENDIAN) \ #define DEFINE_INT_TYPE1(NAME, TYPE, BIG_ENDIAN) \
inline NAME& operator = (TYPE i) { v = BIG_ENDIAN(i); return *this; } \ inline NAME& operator = (TYPE i) { v = BIG_ENDIAN(i); return *this; } \
inline operator TYPE(void) const { return BIG_ENDIAN(v); } \ inline operator TYPE(void) const { return BIG_ENDIAN(v); } \
@ -57,7 +57,8 @@
#define DEFINE_INT_TYPE_STRUCT(NAME, u, w) \ #define DEFINE_INT_TYPE_STRUCT(NAME, u, w) \
struct NAME { \ struct NAME { \
DEFINE_INT_TYPE(NAME, u, w) \ DEFINE_INT_TYPE(NAME, u, w) \
} }; \
ASSERT_SIZE (NAME, w / 8)
/* /*
* Array types * Array types
@ -268,17 +269,11 @@ struct Null <Type> { \
DEFINE_INT_TYPE_STRUCT (BYTE, u, 8); /* 8-bit unsigned integer. */ DEFINE_INT_TYPE_STRUCT (BYTE, u, 8); /* 8-bit unsigned integer. */
ASSERT_SIZE (BYTE, 1);
DEFINE_INT_TYPE_STRUCT (CHAR, , 8); /* 8-bit signed integer. */ DEFINE_INT_TYPE_STRUCT (CHAR, , 8); /* 8-bit signed integer. */
ASSERT_SIZE (CHAR, 1);
DEFINE_INT_TYPE_STRUCT (USHORT, u, 16); /* 16-bit unsigned integer. */ DEFINE_INT_TYPE_STRUCT (USHORT, u, 16); /* 16-bit unsigned integer. */
ASSERT_SIZE (USHORT, 2);
DEFINE_INT_TYPE_STRUCT (SHORT, , 16); /* 16-bit signed integer. */ DEFINE_INT_TYPE_STRUCT (SHORT, , 16); /* 16-bit signed integer. */
ASSERT_SIZE (SHORT, 2);
DEFINE_INT_TYPE_STRUCT (ULONG, u, 32); /* 32-bit unsigned integer. */ DEFINE_INT_TYPE_STRUCT (ULONG, u, 32); /* 32-bit unsigned integer. */
ASSERT_SIZE (ULONG, 4);
DEFINE_INT_TYPE_STRUCT (LONG, , 32); /* 32-bit signed integer. */ DEFINE_INT_TYPE_STRUCT (LONG, , 32); /* 32-bit signed integer. */
ASSERT_SIZE (LONG, 4);
/* Date represented in number of seconds since 12:00 midnight, January 1, /* Date represented in number of seconds since 12:00 midnight, January 1,
* 1904. The value is represented as a signed 64-bit integer. */ * 1904. The value is represented as a signed 64-bit integer. */
@ -341,11 +336,9 @@ DEFINE_NULL_DATA (Tag, 5, " ");
/* Glyph index number, same as uint16 (length = 16 bits) */ /* Glyph index number, same as uint16 (length = 16 bits) */
DEFINE_INT_TYPE_STRUCT (GlyphID, u, 16); DEFINE_INT_TYPE_STRUCT (GlyphID, u, 16);
ASSERT_SIZE (GlyphID, 2);
/* Offset to a table, same as uint16 (length = 16 bits), Null offset = 0x0000 */ /* Offset to a table, same as uint16 (length = 16 bits), Null offset = 0x0000 */
DEFINE_INT_TYPE_STRUCT (Offset, u, 16); DEFINE_INT_TYPE_STRUCT (Offset, u, 16);
ASSERT_SIZE (Offset, 2);
/* CheckSum */ /* CheckSum */