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Mock out cg_emit_arith

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gingerBill
2023-07-17 00:06:03 +01:00
parent d2d243cca8
commit 66a20264ab
3 changed files with 350 additions and 1 deletions
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src/tilde_stmt.cpp
+55
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@@ -228,6 +228,61 @@ gb_internal void cg_addr_store(cgProcedure *p, cgAddr addr, cgValue value) {
cg_emit_store(p, addr.addr, value);
}
gb_internal cgValue cg_addr_get_ptr(cgProcedure *p, cgAddr const &addr) {
if (cg_addr_is_empty(addr)) {
GB_PANIC("Illegal addr -> nullptr");
return {};
}
switch (addr.kind) {
case cgAddr_Map:
GB_PANIC("TODO(bill): cg_addr_get_ptr cgAddr_Map");
// return cg_internal_dynamic_map_get_ptr(p, addr.addr, addr.map.key);
break;
case cgAddr_RelativePointer: {
Type *rel_ptr = base_type(cg_addr_type(addr));
GB_ASSERT(rel_ptr->kind == Type_RelativePointer);
cgValue ptr = cg_emit_conv(p, addr.addr, t_uintptr);
cgValue offset = cg_emit_conv(p, ptr, alloc_type_pointer(rel_ptr->RelativePointer.base_integer));
offset = cg_emit_load(p, offset);
if (!is_type_unsigned(rel_ptr->RelativePointer.base_integer)) {
offset = cg_emit_conv(p, offset, t_i64);
}
offset = cg_emit_conv(p, offset, t_uintptr);
GB_PANIC("TODO(bill): cg_addr_get_ptr cgAddr_RelativePointer");
// cgValue absolute_ptr = cg_emit_arith(p, Token_Add, ptr, offset, t_uintptr);
// absolute_ptr = cg_emit_conv(p, absolute_ptr, rel_ptr->RelativePointer.pointer_type);
// cgValue cond = cg_emit_comp(p, Token_CmpEq, offset, cg_const_nil(p->module, rel_ptr->RelativePointer.base_integer));
// // NOTE(bill): nil check
// cgValue nil_ptr = cg_const_nil(p->module, rel_ptr->RelativePointer.pointer_type);
// cgValue final_ptr = cg_emit_select(p, cond, nil_ptr, absolute_ptr);
// return final_ptr;
break;
}
case cgAddr_SoaVariable:
// TODO(bill): FIX THIS HACK
return cg_address_from_load(p, cg_addr_load(p, addr));
case cgAddr_Context:
GB_PANIC("cgAddr_Context should be handled elsewhere");
break;
case cgAddr_Swizzle:
case cgAddr_SwizzleLarge:
// TOOD(bill): is this good enough logic?
break;
}
return addr.addr;
}