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[qfcc] Add more type convenience functions

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Due to aliases, even after checking the type of the type, it's not safe
to directly access the type's data without first unaliasing the type.
This commit is contained in:
Bill Currie 2025-01-26 19:29:38 +09:00
parent f85b966f95
commit 2ad496ebc2
2 changed files with 20 additions and 0 deletions
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2
tools/qfcc/include/type.h
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@ -265,11 +265,13 @@ bool type_demotes (const type_t *dst, const type_t *src) __attribute__((pure));
bool type_compares (const type_t *dst, const type_t *src) __attribute__((pure));
bool type_same (const type_t *dst, const type_t *src) __attribute__((pure));
int type_size (const type_t *type) __attribute__((pure));
int type_align (const type_t *type) __attribute__((pure));
int type_count (const type_t *type) __attribute__((pure));
int type_width (const type_t *type) __attribute__((pure));
int type_rows (const type_t *type) __attribute__((pure));
int type_cols (const type_t *type) __attribute__((pure));
int type_aligned_size (const type_t *type) __attribute__((pure));
symtab_t *type_symtab (const type_t *type) __attribute__((pure));
void init_types (void);
void chain_initial_types (void);

18
tools/qfcc/source/type.c
View file

@ -1946,6 +1946,13 @@ type_size (const type_t *type)
internal_error (0, "invalid type meta: %d", type->meta);
}
int
type_align (const type_t *type)
{
type = unalias_type (type);
return type->alignment;
}
int
type_count (const type_t *type)
{
@ -2057,6 +2064,17 @@ type_aligned_size (const type_t *type)
return RUP (size, type->alignment);
}
symtab_t *
type_symtab (const type_t *type)
{
type = unalias_type (type);
if (is_struct (type) || is_union (type)
|| is_enum (type) || is_entity (type)) {
return type->symtab;
}
return nullptr;
}
static void
chain_basic_types (void)
{