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-rw-r--r--stdlib/structs.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/stdlib/structs.c b/stdlib/structs.c
deleted file mode 100644
index ca88262c..00000000
--- a/stdlib/structs.c
+++ /dev/null
@@ -1,237 +0,0 @@
-// Metamethods for structs
-
-#include <stdint.h>
-#include <string.h>
-
-#include "arrays.h"
-#include "bools.h"
-#include "functiontype.h"
-#include "metamethods.h"
-#include "optionals.h"
-#include "pointers.h"
-#include "siphash.h"
-#include "tables.h"
-#include "text.h"
-#include "util.h"
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wstack-protector"
-PUREFUNC public uint64_t Struct$hash(const void *obj, const TypeInfo_t *type)
-{
- if (type->StructInfo.num_fields == 0)
- return 0;
-
- if (type->StructInfo.num_fields == 1)
- return generic_hash(obj, type->StructInfo.fields[0].type);
-
- uint64_t field_hashes[type->StructInfo.num_fields];
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (field.type == &Bool$info) {
- bool b = ((*(char*)(obj + byte_offset)) >> bit_offset) & 0x1;
- field_hashes[i] = (uint32_t)b;
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- field_hashes[i] = generic_hash(obj + byte_offset, field.type);
- byte_offset += field.type->size;
- }
- }
- return siphash24((void*)field_hashes, sizeof(field_hashes));
-}
-#pragma GCC diagnostic pop
-
-PUREFUNC public uint64_t PackedData$hash(const void *obj, const TypeInfo_t *type)
-{
- if (type->StructInfo.num_fields == 0)
- return 0;
-
- return siphash24(obj, (size_t)type->size);
-}
-
-PUREFUNC public int32_t Struct$compare(const void *x, const void *y, const TypeInfo_t *type)
-{
- if (x == y)
- return 0;
-
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (field.type == &Bool$info) {
- bool bx = ((*(char*)(x + byte_offset)) >> bit_offset) & 0x1;
- bool by = ((*(char*)(y + byte_offset)) >> bit_offset) & 0x1;
- if (bx != by)
- return (int32_t)bx - (int32_t)by;
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- int32_t cmp = generic_compare(x + byte_offset, y + byte_offset, field.type);
- if (cmp != 0)
- return cmp;
- byte_offset += field.type->size;
- }
- }
- return 0;
-}
-
-PUREFUNC public bool Struct$equal(const void *x, const void *y, const TypeInfo_t *type)
-{
- if (x == y)
- return true;
-
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (field.type == &Bool$info) {
- bool bx = ((*(char*)(x + byte_offset)) >> bit_offset) & 0x1;
- bool by = ((*(char*)(y + byte_offset)) >> bit_offset) & 0x1;
- if (bx != by)
- return false;
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- if (!generic_equal(x + byte_offset, y + byte_offset, field.type))
- return false;
- byte_offset += field.type->size;
- }
- }
- return true;
-}
-
-PUREFUNC public bool PackedData$equal(const void *x, const void *y, const TypeInfo_t *type)
-{
- if (x == y) return true;
- return (memcmp(x, y, (size_t)type->size) == 0);
-}
-
-PUREFUNC public Text_t Struct$as_text(const void *obj, bool colorize, const TypeInfo_t *type)
-{
- if (!obj) return Text$from_str(type->StructInfo.name);
-
- if (type->StructInfo.is_secret || type->StructInfo.is_opaque)
- return Text$format(colorize ? "\x1b[0;1m%s\x1b[m(...)" : "%s(...)", type->StructInfo.name);
-
- Text_t text = Text$format(colorize ? "\x1b[0;1m%s\x1b[m(" : "%s(", type->StructInfo.name);
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (i > 0)
- text = Text$concat(text, Text(", "));
-
- if (type->StructInfo.num_fields > 1)
- text = Text$concat(text, Text$from_str(field.name), Text("="));
-
- if (field.type == &Bool$info) {
- bool b = ((*(char*)(obj + byte_offset)) >> bit_offset) & 0x1;
- text = Text$concat(text, Text$from_str(colorize ? (b ? "\x1b[35myes\x1b[m" : "\x1b[35mno\x1b[m") : (b ? "yes" : "no")));
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- text = Text$concat(text, generic_as_text(obj + byte_offset, colorize, field.type));
- byte_offset += field.type->size;
- }
- }
- return Text$concat(text, Text(")"));
-}
-
-PUREFUNC public bool Struct$is_none(const void *obj, const TypeInfo_t *type)
-{
- return *(bool*)(obj + type->size);
-}
-
-public void Struct$serialize(const void *obj, FILE *out, Table_t *pointers, const TypeInfo_t *type)
-{
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (field.type == &Bool$info) {
- bool b = ((*(char*)(obj + byte_offset)) >> bit_offset) & 0x1;
- fputc((int)b, out);
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- _serialize(obj + byte_offset, out, pointers, field.type);
- byte_offset += field.type->size;
- }
- }
-}
-
-public void Struct$deserialize(FILE *in, void *outval, Array_t *pointers, const TypeInfo_t *type)
-{
- ptrdiff_t byte_offset = 0;
- ptrdiff_t bit_offset = 0;
- for (int i = 0; i < type->StructInfo.num_fields; i++) {
- NamedType_t field = type->StructInfo.fields[i];
- if (field.type == &Bool$info) {
- bool b = (bool)fgetc(in);
- *(char*)(outval + byte_offset) |= (b << bit_offset);
- bit_offset += 1;
- if (bit_offset >= 8) {
- byte_offset += 1;
- bit_offset = 0;
- }
- } else {
- if (bit_offset > 0) {
- byte_offset += 1;
- bit_offset = 0;
- }
- if (field.type->align && byte_offset % field.type->align > 0)
- byte_offset += field.type->align - (byte_offset % field.type->align);
- _deserialize(in, outval + byte_offset, pointers, field.type);
- byte_offset += field.type->size;
- }
- }
-}
-
-// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-01 23:49:26 +0000