Compiling with new untyped system

This commit is contained in:
Krzosa Karol
2022-06-06 08:56:03 +02:00
parent e12e0ee561
commit 6157325d8f
8 changed files with 2423 additions and 281 deletions

2211
big_int_c3.cpp Normal file

File diff suppressed because it is too large Load Diff

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@@ -73,10 +73,9 @@ gen_expr(Ast_Expr *ast){
}
CASE(VALUE, Atom){
if(is_int(node->type)) gen("%lld", node->int_val);
if(is_int(node->type)) gen("%lld", bigint_as_signed(&node->big_int_val));
else if(is_string(node->type)) gen("LIT(\"%s\")", node->intern_val.str);
else if(is_bool(node->type)) node->bool_val ? gen("true"):gen("false");
else if(is_f32(node->type)) gen("%f", node->f32_val);
else if(is_float(node->type)) gen("%f", node->f64_val);
else invalid_codepath;
BREAK();
@@ -315,7 +314,7 @@ gen_ast(Ast *ast){
gen("// constant F64 %s = %f;", node->name.str, sym->f64_val);
}
else if(sym->type == untyped_int){
gen("// constant int %s = %lld;", node->name.str, sym->int_val);
gen("// constant int %s = %lld;", node->name.str, bigint_as_signed(&sym->big_int_val));
}
else if(sym->type == untyped_string){
gen("// const String %s = LIT(\"%s\");", node->name.str, sym->intern_val.str);
@@ -356,7 +355,7 @@ gen_ast(Ast *ast){
genln("%s", it->name.str);
gen(" = ");
Sym *value_sym = resolved_get(it);
gen("%d", value_sym->int_val);
gen("%d", bigint_as_signed(&value_sym->big_int_val));
gen(",");
}
global_indent--;

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@@ -63,6 +63,7 @@ For now I don't thing it should be overloadable.
[x] - Test new operators, add constant eval for them
[x] - lvalue, rvalue concept so we cant assign value to some arbitrary weird expression
[x] - More basic types
[x] - Implementing required operations int128
[x] - Add basic support for floats
[x] - Add basic setup for new type system
[x] - Access through struct names to constants Arena.CONSTANT
@@ -94,15 +95,17 @@ For now I don't thing it should be overloadable.
#include "base_unicode.cpp"
#include "new_lex.cpp"
#include "types.h"
#include "big_int_c3.cpp"
// #include "big_int.cpp"
#include "new_ast.cpp"
#include "new_parse.cpp"
#include "typecheck.h"
#include "typecheck.cpp"
#include "ccodegen.cpp"
#include "big_int.cpp"
int main(){
test_big_int();
// test_big_int();
test_os_memory();
thread_ctx_init();
@@ -114,6 +117,7 @@ int main(){
test_string_builder();
test_intern_table();
String result = {};
#if 0
result = compile_file("globals.kl"_s);

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@@ -141,22 +141,13 @@ Ast_Resolved_Type *type; \
union{ \
bool bool_val; \
F64 f64_val; \
F32 f32_val; \
S8 s8_val; \
S16 s16_val; \
S32 s32_val; \
S64 s64_val; \
U8 u8_val; \
U16 u16_val; \
U32 u32_val; \
U64 u64_val; \
S64 int_val; \
U64 uint_val; \
Intern_String intern_val; \
Intern_String intern_val;\
BigInt big_int_val;\
Ast_Resolved_Type *type_val; \
};
#define INLINE_VALUE_FIELDS union{Value value; struct{VALUE_FIELDS};}
struct Value{VALUE_FIELDS};
// BigInt big_int_val;
struct Ast_Atom: Ast_Expr{
INLINE_VALUE_FIELDS;
@@ -326,11 +317,9 @@ ast_float(Token *pos, F64 value){
function Ast_Atom *
ast_int(Token *pos, U64 integer){
assert(integer <= S64MAX);
AST_NEW(Atom, VALUE, pos, AST_EXPR | AST_ATOM);
result->type = untyped_int;
result->int_val = integer;
// result->big_int = big_int(pctx->perm, integer); // @todo: int arena??
bigint_init_unsigned(&result->big_int_val, integer);
return result;
}

View File

@@ -31,13 +31,6 @@ type_error(Token *token, Ast_Resolved_Type *expected, Ast_Resolved_Type *actual,
//-----------------------------------------------------------------------------
// Evaluating constant expressions
//-----------------------------------------------------------------------------
#define CASE_CONVERT(pos, int_val, kind_val, new_val, TYPE, min, max) \
case TYPE:{ \
if(int_val > max) parsing_error(pos, "Overflow when converting from %s constant to %s, value out of range: %d, max is: %d", type_names[kind_val], type_names[TYPE], int_val, max); \
if(int_val < min) parsing_error(pos, "Underflow when converting from %s constant to %s, value out of range: %d, min is: %d", type_names[kind_val], type_names[TYPE], int_val, min);\
new_val = int_val;\
}break;
function Value
convert_untyped(Token *pos, Value a, Ast_Resolved_Type *new_type){
// assert(a.type);
@@ -45,37 +38,18 @@ convert_untyped(Token *pos, Value a, Ast_Resolved_Type *new_type){
if(a.type == 0) return a;
if(is_typed(a.type)) return a;
assert(a.int_val <= S64MAX);
if(is_int(a.type) && is_int(new_type)){
assert(a.type == untyped_int);
switch(new_type->kind){
case TYPE_UNTYPED_INT: break;
CASE_CONVERT(pos, a.int_val, a.type->kind, a.s64_val, TYPE_INT, TYPE_INT_MIN, TYPE_INT_MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.u64_val, TYPE_UINT, TYPE_UINT_MIN, TYPE_INT_MAX) // @todo big int
CASE_CONVERT(pos, a.int_val, a.type->kind, a.s8_val , TYPE_S8 , S8MIN, S8MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.s16_val, TYPE_S16, S16MIN, S16MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.s32_val, TYPE_S32, S32MIN, S32MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.s64_val, TYPE_S64, S64MIN, S64MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.u8_val , TYPE_U8 , U8MIN, U8MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.u16_val, TYPE_U16, U16MIN, U16MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.u32_val, TYPE_U32, U32MIN, U32MAX)
CASE_CONVERT(pos, a.int_val, a.type->kind, a.u64_val, TYPE_U64, U64MIN, U64MAX) // @todo big int
invalid_default_case;
if(!bigint_fits_in_bits(&a.big_int_val, new_type->size*8, is_signed_int(new_type))){
parsing_error(pos, "Doesn't fit");
}
}
else if(is_int(a.type) && is_float(new_type)){
assert(a.type == untyped_int);
switch(new_type->kind){
case TYPE_F32: {a.f32_val = a.int_val;}break;
case TYPE_UNTYPED_FLOAT:{a.f64_val = a.int_val;}break;
case TYPE_F64: {a.f64_val = a.int_val;}break;
invalid_default_case;
}
a.f64_val = bigint_as_float(&a.big_int_val); // @leak bigint
}
else if(is_float(a.type) && is_float(new_type)){
assert(a.type == untyped_float);
if(new_type == type_f32) a.f32_val = a.f64_val;
// nothing to do
}
else if(is_bool(a.type) && is_bool(new_type))
; // nothing to do
@@ -87,193 +61,208 @@ convert_untyped(Token *pos, Value a, Ast_Resolved_Type *new_type){
return a;
}
function S64
value_get_int(Value value){
assert(value.int_val <= S64MAX);
assert(is_numeric(value.type));
S64 result = 0;
switch(value.type->kind){
case TYPE_BOOL: result = value.bool_val; break;
case TYPE_UNTYPED_BOOL: result = value.bool_val; break;
case TYPE_UNTYPED_FLOAT: result = (S64)value.f64_val; break;
case TYPE_F64: result = (S64)value.f64_val; break;
case TYPE_F32: result = (S64)value.f32_val; break;
case TYPE_UNTYPED_INT: result = value.int_val; break;
case TYPE_INT: result = value.s64_val; break;
case TYPE_S64:result = value.s64_val; break;
case TYPE_S32:result = value.s32_val; break;
case TYPE_S16:result = value.s16_val; break;
case TYPE_S8:result = value.s8_val; break;
case TYPE_U64:assert(value.u64_val <= S64MAX); result = value.u64_val; break; // @todo big int
case TYPE_U32:result = value.u32_val; break;
case TYPE_U16:result = value.u16_val; break;
case TYPE_U8:result = value.u8_val; break;
case TYPE_UINT:result = value.u64_val; break; // @todo big int
default: invalid_codepath;
function Value
value_bool(B32 v){
Value value;
value.bool_val = v;
value.type = untyped_bool;
return value;
}
function Value
value_int(BigInt b){
Value value;
value.big_int_val = b;
value.type = untyped_int;
return value;
}
function Value
value_int(S64 s64){
Value value;
value.type = untyped_int;
bigint_init_signed(&value.big_int_val, s64);
return value;
}
function Value
value_float(F64 b){
Value value;
value.f64_val = b;
value.type = untyped_float;
return value;
}
function Value
value_float(BigInt a){
Value value;
value.f64_val = bigint_as_float(&a);
value.type = untyped_float;
return value;
}
function void
match_values(Value *a, Value *b){
if(is_int(a->type) && is_float(b->type)){
*a = value_float(a->big_int_val);
}
else if(is_float(a->type) && is_int(b->type)){
*b = value_float(b->big_int_val);
}
return result;
}
function F64
value_get_float(Value value){
assert(is_numeric(value.type));
F64 result = value.f64_val;
if(is_int(value.type) || is_bool(value.type))
result = (F64)value_get_int(value);
else if(value.type == type_f32)
result = value.f32_val;
return result;
function Value
compare_values(Token *pos, Token_Kind op, Value a, Value b){
if(!(is_numeric(a.type) && is_numeric(b.type))) parsing_error(pos, "Constant application of binary %s on values of type %s and %s is not allowed", name(op), docname(a.type), docname(a.type));
match_values(&a, &b);
B32 result = 0;
switch(a.type->kind){
case TYPE_UNTYPED_INT:
case TYPE_S8:case TYPE_S16:case TYPE_S32:case TYPE_S64:
case TYPE_U8:case TYPE_U16:case TYPE_U32:case TYPE_U64:{
CmpRes cmp = bigint_cmp(&a.big_int_val, &b.big_int_val);
switch(op){
case TK_LesserThenOrEqual: result = (cmp == CMP_LT) || (cmp == CMP_EQ); break;
case TK_GreaterThenOrEqual: result = (cmp == CMP_GT) || (cmp == CMP_EQ); break;
case TK_GreaterThen: result = cmp == CMP_GT; break;
case TK_LesserThen: result = cmp == CMP_LT; break;
case TK_Equals: result = cmp == CMP_EQ; break;
case TK_NotEquals: result = cmp != CMP_EQ; break;
invalid_default_case;
}
}break;
case TYPE_UNTYPED_BOOL:
case TYPE_BOOL:{
switch(op){
case TK_Equals: result = a.bool_val == b.bool_val; break;
case TK_NotEquals: result = a.bool_val != b.bool_val; break;
invalid_default_case;
}
}break;
case TYPE_UNTYPED_FLOAT:
case TYPE_F32: case TYPE_F64:{
switch(op){
case TK_LesserThenOrEqual: result = a.f64_val <= b.f64_val; break;
case TK_GreaterThenOrEqual: result = a.f64_val >= b.f64_val; break;
case TK_GreaterThen: result = a.f64_val > b.f64_val; break;
case TK_LesserThen: result = a.f64_val < b.f64_val; break;
case TK_Equals: result = a.f64_val == b.f64_val; break;
case TK_NotEquals: result = a.f64_val != b.f64_val; break;
invalid_default_case;
}
}break;
case TYPE_UNTYPED_STRING:
case TYPE_STRING:{
invalid_codepath;
}break;
invalid_default_case;
}
return value_bool(result);
}
#include <math.h> // fmod
function Value
eval_binary(Token *pos, Token_Kind op, Value a, Value b){
if(!(is_numeric(a.type) && is_numeric(b.type))) parsing_error(pos, "Constant application of binary %s on values of type %s and %s is not allowed", name(op), docname(a.type), docname(a.type));
match_values(&a, &b);
// @warning: this bool path returns early, always should return untyped bool
if(is_bool(a.type) || is_bool(b.type)){
if(!is_bool(a.type)) parsing_error(pos, "Type mismatch in binary operation %s - left: %s right: %s", name(op), docname(a.type), docname(b.type));
if(!is_bool(b.type)) parsing_error(pos, "Type mismatch in binary operation %s - left: %s right: %s", name(op), docname(a.type), docname(b.type));
if(token_is_compare(op)){
return compare_values(pos, op, a, b);
}
Value result;
result.type = untyped_bool;
Value result = {};
result.type = a.type;
switch(a.type->kind){
case TYPE_UNTYPED_INT:
case TYPE_S8:case TYPE_S16:case TYPE_S32:case TYPE_S64:
case TYPE_U8:case TYPE_U16:case TYPE_U32:case TYPE_U64:{
switch(op){
case TK_BitXor: bigint_xor(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_BitAnd: bigint_and(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_BitOr: bigint_or(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_Add: bigint_add(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_Sub: bigint_sub(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_Mul: bigint_mul(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_Div: bigint_div_trunc(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_Mod: bigint_mod(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_LeftShift: bigint_shl(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
case TK_RightShift: bigint_shr(&result.big_int_val, &a.big_int_val, &b.big_int_val); break;
invalid_default_case;
}
}break;
case TYPE_UNTYPED_BOOL:
case TYPE_BOOL:{
switch(op){
case TK_And: result.bool_val = a.bool_val && b.bool_val; break;
case TK_Or: result.bool_val = a.bool_val || b.bool_val; break;
case TK_GreaterThen: result.bool_val = a.bool_val > b.bool_val; break;
case TK_GreaterThenOrEqual: result.bool_val = a.bool_val >= b.bool_val; break;
case TK_LesserThen: result.bool_val = a.bool_val < b.bool_val; break;
case TK_LesserThenOrEqual: result.bool_val = a.bool_val <= b.bool_val; break;
case TK_Equals: result.bool_val = a.bool_val == b.bool_val; break;
case TK_NotEquals: result.bool_val = a.bool_val != b.bool_val; break;
case TK_BitAnd: result.bool_val = a.bool_val & b.bool_val; break;
case TK_BitOr: result.bool_val = a.bool_val | b.bool_val; break;
case TK_BitXor: result.bool_val = a.bool_val ^ b.bool_val; break;
invalid_default_case;
}
return result;
}
Ast_Resolved_Type *final_type = 0;
Value before_conversion;
if(is_int(a.type) && is_int(b.type)) {
before_conversion.type = untyped_int;
final_type = untyped_int;
}
else{
before_conversion.type = untyped_float;
final_type = untyped_float;
}
if(is_typed(a.type) && is_typed(b.type)){
if(a.type != b.type) parsing_error(pos, "Type mismatch in binary operation %s - left: %s right: %s", name(op), docname(a.type), docname(b.type));
else final_type = a.type;
}
else if(is_typed(a.type) || is_typed(b.type)){
not_implemented;
}
S64 left_int = value_get_int(a);
S64 right_int = value_get_int(b);
F64 left_float = value_get_float(a);
F64 right_float = value_get_float(b);
assert(before_conversion.type == untyped_float || before_conversion.type == untyped_int);
// @note: for returning early with bools
Value c; c.type = untyped_bool;
}break;
case TYPE_UNTYPED_FLOAT:
case TYPE_F32: case TYPE_F64:{
switch(op){
// @note: These return early, they don't need type evaluation
// always should return untyped bool
case TK_And: {
if(final_type == untyped_int) c.bool_val = left_int && right_int;
else c.bool_val = left_float && right_float;
return c;
case TK_Add: result.f64_val = a.f64_val + b.f64_val; break;
case TK_Sub: result.f64_val = a.f64_val - b.f64_val; break;
case TK_Mul: result.f64_val = a.f64_val * b.f64_val; break;
case TK_Div: result.f64_val = a.f64_val / b.f64_val; break;
invalid_default_case;
}
}break;
case TK_Or: {
if(final_type == untyped_int) c.bool_val = left_int || right_int;
else c.bool_val = left_float || right_float;
return c;
case TYPE_UNTYPED_STRING:
case TYPE_STRING:{
invalid_codepath;
}break;
case TK_GreaterThen: {
if(final_type == untyped_int) c.bool_val = left_int > right_int;
else c.bool_val = left_float > right_float;
return c;
}break;
case TK_GreaterThenOrEqual: {
if(final_type == untyped_int) c.bool_val = left_int >= right_int;
else c.bool_val = left_float >= right_float;
return c;
}break;
case TK_LesserThen: {
if(final_type == untyped_int) c.bool_val = left_int < right_int;
else c.bool_val = left_float < right_float;
return c;
}break;
case TK_LesserThenOrEqual: {
if(final_type == untyped_int) c.bool_val = left_int <= right_int;
else c.bool_val = left_float <= right_float;
return c;
}break;
case TK_Equals: {
if(final_type == untyped_int) c.bool_val = left_int == right_int;
else c.bool_val = left_float == right_float;
return c;
}break;
case TK_NotEquals: {
if(final_type == untyped_int) c.bool_val = left_int != right_int;
else c.bool_val = left_float != right_float;
return c;
}break;
// @note: These return at the end cause need type evaluation
case TK_Add: {
left_int = left_int + right_int;
left_float = left_float + right_float;
} break;
case TK_Sub: {
left_int = left_int - right_int;
left_float = left_float - right_float;
} break;
case TK_Mul: {
left_int = left_int * right_int;
left_float = left_float * right_float;
} break;
case TK_Div: {
left_int = left_int / right_int;
left_float = left_float / right_float;
} break;
case TK_Mod: {
left_int = left_int % right_int;
left_float = fmod(left_float, right_float);
} break;
// @WARNING: When introducing big ints & | ^ will be problematic
case TK_BitAnd: {
left_int = left_int & right_int;
if(before_conversion.type == untyped_float) parsing_error(pos, "%s cant be performed on [Untyped_Float]", name(op));
} break;
case TK_BitOr: {
left_int = left_int | right_int;
if(before_conversion.type == untyped_float) parsing_error(pos, "%s cant be performed on [Untyped_Float]", name(op));
} break;
case TK_BitXor: {
left_int = left_int ^ right_int;
if(before_conversion.type == untyped_float) parsing_error(pos, "%s cant be performed on [Untyped_Float]", name(op));
} break;
default: parsing_error(pos, "Binary operation %s is not allowed on types: left: %s right: %s", name(op), docname(a.type), docname(b.type));
invalid_default_case;
}
if(before_conversion.type == untyped_float){
before_conversion.f64_val = left_float;
} else {
assert(before_conversion.type == untyped_int);
before_conversion.int_val = left_int;
}
Value result = convert_untyped(pos, before_conversion, final_type);
return result;
}
function Value
eval_unary(Token *pos, Token_Kind op, Value a){
if(!is_numeric(a.type)) parsing_error(pos, "Constant application of binary %s on values of type %s is not allowed", name(op), docname(a.type));
BigInt result = {};
switch(op){
case TK_Add:{
return a;
} break;
case TK_Sub:{
if(is_int(a.type)){
bigint_negate(&result, &a.big_int_val);
return value_int(result);
} else if(is_float(a.type)){
return value_float(-a.f64_val);
} else invalid_codepath;
} break;
case TK_Neg:{
if(is_int(a.type)){
bigint_not(&result, &a.big_int_val, 64, 1); // Invalid
return value_int(result);
} else invalid_codepath;
} break;
case TK_Not:{
if(is_int(a.type)){
if(CMP_EQ == bigint_cmp_zero(&a.big_int_val)){
return value_bool(1);
} else return value_bool(0);
} else if(is_float(a.type)){
return value_bool(!a.f64_val);
} else if(is_bool(a.type)){
a.bool_val = !a.bool_val;
return a;
}
} break;
default: invalid_codepath;
}
invalid_return;
}
function void
try_untyping(Operand *op){
if(!op) return;
@@ -286,56 +275,6 @@ try_untyping(Operand *op){
}
}
function Value
eval_unary(Token *pos, Token_Kind op, Value a){
if(!is_numeric(a.type)) parsing_error(pos, "Constant application of binary %s on values of type %s is not allowed", name(op), docname(a.type));
S64 left_int = value_get_int(a);
F64 left_float = value_get_float(a);
// @todo: bools go right through
switch(op){
case TK_Not:{
Value value;
value.type = type_bool;
value.bool_val = is_float(a.type) ? !left_float : !left_int;
return value;
}break;
case TK_Neg:{
left_int = ~left_int;
if(is_float(a.type)) type_error(pos, type_int, a.type, "[~] doesn't work on floating point");
// left_int = int_type_max(a.type) & left_int;
// @todo this doesn't work
}break;
case TK_Sub:{
left_int = -left_int;
left_float = -left_float;
}break;
case TK_Add:{
left_int = +left_int;
left_float = +left_float;
}break;
invalid_default_case;
}
// case TYPE_UINT: parsing_error(pos, "Application of unary [-] on type %s results in overflow", docname(v.type));break;
// default: parsing_error(pos, "Constant application of unary [-] on type of %s is unsupported", docname(v.type));break;
// default: parsing_error(pos, "Constant application of unary [+] on type of %s is unsupported", docname(v.type));break;
Value before_conversion;
if(is_int(a.type)){
before_conversion.type = untyped_int;
before_conversion.int_val = left_int;
}
else{
assert(is_float(a.type));
before_conversion.type = untyped_float;
before_conversion.f64_val = left_float;
}
Value result = convert_untyped(pos, before_conversion, a.type);
return result;
}
#define rewrite_into_const(ast,T,s) _rewrite_into_const(ast,sizeof(T),s)
function void
_rewrite_into_const(Ast *node, U64 ast_size, Value value){
@@ -532,7 +471,7 @@ resolve_expr(Ast_Expr *ast, Ast_Resolved_Type *expected_type, Sym *lambda_to_res
if(type.type != type_type) parsing_error(node->pos, "Prefix array operator is only allowed on types");
Operand expr = require_const_int(node->expr, AST_CANT_BE_NULL);
Ast_Resolved_Type *resolved = type_array(type.type_val, expr.int_val);
Ast_Resolved_Type *resolved = type_array(type.type_val, bigint_as_unsigned(&expr.big_int_val));
sym_type(resolved, node);
return operand_type(resolved);
BREAK();
@@ -572,7 +511,8 @@ resolve_expr(Ast_Expr *ast, Ast_Resolved_Type *expected_type, Sym *lambda_to_res
if(i->name) parsing_error(i->pos, "Invalid indexing kind in a compound expression of type %s", type_names[type->kind]);
if(i->index){
Operand index_op = require_const_int(i->index, AST_CANT_BE_NULL);
if(index_op.int_val > (type->arr.size - 1)) parsing_error(i->pos, "Invalid index in compound expression, larger then type can store");
U64 index = bigint_as_unsigned(&index_op.big_int_val);
if(index > (type->arr.size - 1)) parsing_error(i->pos, "Invalid index in compound expression, larger then type can store");
}
Operand expr = resolve_expr(i->item, item_type);
expr.value = convert_untyped(i->pos, expr.value, item_type);
@@ -895,11 +835,11 @@ resolve_const(Ast_Expr *ast, Sym *sym){
For(node->members){
Operand op = require_const_int(it->value, AST_CAN_BE_NULL);
if(op.type){
value = op.int_val + 1;
value = bigint_as_signed(&op.big_int_val) + 1;
}
else{
op.type = type_s64;
op.int_val = value++;
bigint_init_signed(&op.big_int_val, value++);
}
sym_const(it->name, op, it, INSERT_INTO_SCOPE);

View File

@@ -204,11 +204,10 @@ operand_type(Ast_Resolved_Type *type){
}
function Operand
operand_int(S64 int_val){
operand_int(BigInt big_int){
Operand result = {};
result.type = type_int;
result.int_val = int_val;
// result.big_int = int_val;
bigint_init_bigint(&result.big_int_val, &big_int);
result.is_const = true;
result.is_lvalue = false;
return result;