352 lines
9.8 KiB
Plaintext
352 lines
9.8 KiB
Plaintext
Vector :: ($N: int, $T: Type) -> Type #builtin;
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out :: (str: string) -> void #builtin;
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size_of :: ($T: Type) -> s64 #builtin;
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malloc :: (size: s64) -> *void #builtin;
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memcpy :: (dst: *void, src: *void, size: s64) -> *void #builtin;
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memset :: (dst: *void, val: s64, size: s64) -> void #builtin;
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free :: (ptr: *void) -> void #builtin;
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type_of :: (val: $T) -> Type #builtin;
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type_name :: ($T: Type) -> string #builtin;
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field_count :: ($T: Type) -> s64 #builtin;
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field_name :: ($T: Type, idx: s64) -> string #builtin;
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field_value :: (s: $T, idx: s64) -> Any #builtin;
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is_flags :: ($T: Type) -> bool #builtin;
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field_value_int :: ($T: Type, idx: s64) -> s64 #builtin;
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field_index :: ($T: Type, val: T) -> s64 #builtin;
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string :: []u8 #builtin;
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#import "allocators.sx";
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// --- Context ---
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Context :: struct {
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allocator: Allocator;
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data: *void;
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}
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context : Context = ---;
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// --- Slice & string allocation ---
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context_alloc :: (size: s64) -> *void {
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if context.allocator.ctx != null then context.allocator.alloc(size) else malloc(size);
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}
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cstring :: (size: s64) -> string {
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raw := context_alloc(size + 1);
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memset(raw, 0, size + 1);
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s : string = ---;
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s.ptr = xx raw;
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s.len = size;
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s;
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}
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alloc_slice :: ($T: Type, count: s64) -> []T {
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raw := context_alloc(count * size_of(T));
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memset(raw, 0, count * size_of(T));
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s : []T = ---;
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s.ptr = xx raw;
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s.len = count;
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s;
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}
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int_to_string :: (n: s64) -> string {
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if n == 0 { return "0"; }
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neg := n < 0;
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v := if neg then 0 - n else n;
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// Single pass: fill digits backwards into temp string, then substr
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tmp := cstring(20);
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i := 19;
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while v > 0 {
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tmp[i] = (v % 10) + 48;
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v = v / 10;
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i -= 1;
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}
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if neg { tmp[i] = 45; i -= 1; }
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substr(tmp, i + 1, 20 - i - 1);
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}
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bool_to_string :: (b: bool) -> string {
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if b then "true" else "false";
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}
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float_to_string :: (f: f64) -> string {
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neg := f < 0.0;
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v := if neg then 0.0 - f else f;
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int_part := cast(s64) v;
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frac := cast(s64) ((v - cast(f64) int_part) * 1000000.0);
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if frac < 0 { frac = 0 - frac; }
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istr := int_to_string(int_part);
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fstr := int_to_string(frac);
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il := istr.len;
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fl := fstr.len;
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prefix := if neg then 1 else 0;
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total := prefix + il + 1 + 6;
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buf := cstring(total);
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pos := 0;
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if neg { buf[0] = 45; pos = 1; }
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memcpy(@buf[pos], istr.ptr, il);
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pos = pos + il;
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buf[pos] = 46;
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pos += 1;
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pad := 6 - fl;
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memset(@buf[pos], 48, pad);
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pos = pos + pad;
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memcpy(@buf[pos], fstr.ptr, fl);
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buf;
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}
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hex_group :: (buf: string, offset: s64, val: s64) {
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i := offset + 3;
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v := val;
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while i >= offset {
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d := v % 16;
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buf[i] = if d < 10 then d + 48 else d - 10 + 97;
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v = v / 16;
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i -= 1;
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}
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}
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int_to_hex_string :: (n: s64) -> string {
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if n == 0 { return "0"; }
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// Split into four 16-bit groups for correct unsigned treatment
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g0 := n % 65536;
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if g0 < 0 { g0 = g0 + 65536; }
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r1 := (n - g0) / 65536;
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g1 := r1 % 65536;
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if g1 < 0 { g1 = g1 + 65536; }
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r2 := (r1 - g1) / 65536;
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g2 := r2 % 65536;
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if g2 < 0 { g2 = g2 + 65536; }
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r3 := (r2 - g2) / 65536;
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g3 := r3 % 65536;
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if g3 < 0 { g3 = g3 + 65536; }
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buf := cstring(16);
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hex_group(buf, 0, g3);
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hex_group(buf, 4, g2);
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hex_group(buf, 8, g1);
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hex_group(buf, 12, g0);
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// Skip leading zeros (keep at least 1 digit)
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start := 0;
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while start < 15 {
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if buf[start] != 48 { break; }
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start += 1;
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}
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substr(buf, start, 16 - start);
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}
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concat :: (a: string, b: string) -> string {
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al := a.len;
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bl := b.len;
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buf := cstring(al + bl);
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memcpy(buf.ptr, a.ptr, al);
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memcpy(@buf[al], b.ptr, bl);
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buf;
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}
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substr :: (s: string, start: s64, len: s64) -> string {
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buf := cstring(len);
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memcpy(buf.ptr, @s[start], len);
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buf;
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}
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struct_to_string :: (s: $T) -> string {
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result := concat(type_name(T), "{");
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i := 0;
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while i < field_count(T) {
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if i > 0 { result = concat(result, ", "); }
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result = concat(result, field_name(T, i));
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result = concat(result, ": ");
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result = concat(result, any_to_string(field_value(s, i)));
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i += 1;
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}
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concat(result, "}");
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}
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vector_to_string :: (v: $T) -> string {
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result := "[";
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i := 0;
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while i < field_count(T) {
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if i > 0 { result = concat(result, ", "); }
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result = concat(result, any_to_string(field_value(v, i)));
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i += 1;
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}
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concat(result, "]");
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}
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array_to_string :: (a: $T) -> string {
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result := "[";
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i := 0;
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while i < field_count(T) {
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if i > 0 { result = concat(result, ", "); }
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result = concat(result, any_to_string(field_value(a, i)));
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i += 1;
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}
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concat(result, "]");
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}
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slice_to_string :: (items: []$T) -> string {
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result := "[";
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i := 0;
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while i < items.len {
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if i > 0 { result = concat(result, ", "); }
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result = concat(result, any_to_string(field_value(items, i)));
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i += 1;
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}
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concat(result, "]");
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}
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pointer_to_string :: (p: $T) -> string {
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addr : s64 = xx p;
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if addr == 0 { "null"; } else {
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concat(type_name(T), concat("@0x", int_to_hex_string(addr)));
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}
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}
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flags_to_string :: (val: $T) -> string {
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v := cast(s64) val;
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result := "";
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i := 0;
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while i < field_count(T) {
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fv := field_value_int(T, i);
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if v & fv {
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if result.len > 0 { result = concat(result, " | "); }
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result = concat(result, concat(".", field_name(T, i)));
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}
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i += 1;
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}
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if result.len == 0 { result = "0"; }
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result;
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}
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enum_to_string :: (u: $T) -> string {
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if is_flags(T) { return flags_to_string(u); }
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idx := field_index(T, u);
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result := concat(".", field_name(T, idx));
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payload := field_value(u, idx);
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pstr := any_to_string(payload);
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if pstr.len > 0 {
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result = concat(result, concat("(", concat(pstr, ")")));
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}
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result;
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}
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any_to_string :: (val: Any) -> string {
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result := "<?>";
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type := type_of(val);
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if type == {
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case void: result = "";
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case int: result = int_to_string(xx val);
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case string: { s : string = xx val; result = s; }
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case bool: result = bool_to_string(xx val);
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case float: result = float_to_string(xx val);
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case struct: result = struct_to_string(cast(type) val);
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case enum: result = enum_to_string(cast(type) val);
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case vector: result = vector_to_string(cast(type) val);
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case array: result = array_to_string(cast(type) val);
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case slice: result = slice_to_string(cast(type) val);
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case pointer: result = pointer_to_string(cast(type) val);
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case type: { s : string = xx val; result = s; }
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}
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result;
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}
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build_format :: (fmt: string) -> string {
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code := "result := \"\"; ";
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seg_start := 0;
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i := 0;
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arg_idx := 0;
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while i < fmt.len {
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if fmt[i] == 123 {
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if i + 1 < fmt.len {
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if fmt[i + 1] == 125 {
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if i > seg_start {
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code = concat(code, "result = concat(result, substr(fmt, ");
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code = concat(code, int_to_string(seg_start));
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code = concat(code, ", ");
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code = concat(code, int_to_string(i - seg_start));
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code = concat(code, ")); ");
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}
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code = concat(code, "result = concat(result, any_to_string(args[");
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code = concat(code, int_to_string(arg_idx));
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code = concat(code, "])); ");
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arg_idx += 1;
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i += 2;
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seg_start = i;
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} else if fmt[i + 1] == 123 {
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code = concat(code, "result = concat(result, substr(fmt, ");
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code = concat(code, int_to_string(seg_start));
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code = concat(code, ", ");
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code = concat(code, int_to_string(i - seg_start + 1));
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code = concat(code, ")); ");
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i += 2;
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seg_start = i;
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} else {
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i += 1;
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}
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} else {
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i += 1;
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}
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} else if fmt[i] == 125 {
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if i + 1 < fmt.len {
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if fmt[i + 1] == 125 {
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code = concat(code, "result = concat(result, substr(fmt, ");
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code = concat(code, int_to_string(seg_start));
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code = concat(code, ", ");
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code = concat(code, int_to_string(i - seg_start + 1));
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code = concat(code, ")); ");
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i += 2;
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seg_start = i;
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} else {
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i += 1;
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}
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} else {
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i += 1;
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}
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} else {
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i += 1;
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}
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}
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if seg_start < fmt.len {
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code = concat(code, "result = concat(result, substr(fmt, ");
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code = concat(code, int_to_string(seg_start));
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code = concat(code, ", ");
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code = concat(code, int_to_string(fmt.len - seg_start));
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code = concat(code, ")); ");
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}
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code;
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}
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format :: ($fmt: string, args: ..Any) -> string {
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#insert build_format(fmt);
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#insert "result;";
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}
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print :: ($fmt: string, args: ..Any) {
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#insert build_format(fmt);
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#insert "out(result);";
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}
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List :: struct ($T: Type) {
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items: [*]T = null;
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len: s64 = 0;
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cap: s64 = 0;
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}
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append ::(list: *List($T), item: T) {
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if list.len >= list.cap {
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new_cap := if list.cap == 0 then 4 else list.cap * 2;
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new_items : [*]T = xx malloc(new_cap * size_of(T));
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if list.len > 0 {
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memcpy(new_items, list.items, list.len * size_of(T));
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free(list.items);
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}
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list.items = new_items;
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list.cap = new_cap;
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}
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list.items[list.len] = item;
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list.len += 1;
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} |