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made struct registration single pass

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Lorenzo Torres 2025-12-05 15:23:21 +01:00
parent 02dea8d3b8
commit 8f19852746
2 changed files with 8 additions and 13 deletions
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20
sema.c
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@ -2,7 +2,6 @@
#include "sema.h"
#include <string.h>
#include <stdio.h>
#include <stdbool.h>
typedef struct _res_node {
struct _res_node **in;
@ -140,23 +139,16 @@ static void register_struct(sema *s, char *name, type *t)
{
usize alignment = 0;
member *m = t->data.structure.members;
while (m) {
type *m_type = get_type(s, m->type);
if (alignment < m_type->alignment) {
alignment = m_type->alignment;
}
m = m->next;
}
t->alignment = alignment;
m = t->data.structure.members;
usize offset = 0;
type *m_type = NULL;
while (m) {
m_type = get_type(s, m->type);
if (alignment < m_type->alignment) {
alignment = m_type->alignment;
}
usize padding = (m_type->alignment - (offset % m_type->alignment)) % m_type->alignment;
offset += padding;
m->offset = offset;
@ -165,6 +157,8 @@ static void register_struct(sema *s, char *name, type *t)
m = m->next;
}
t->alignment = alignment;
if (t->alignment > 0) {
usize trailing_padding = (t->alignment - (offset % t->alignment)) % t->alignment;
offset += trailing_padding;

1
sema.h
View file

@ -1,6 +1,7 @@
#ifndef SEMA_H
#define SEMA_H
#include <stdbool.h>
#include "parser.h"
#include "stb_ds.h"
#include "utils.h"