get_type_with_size ::= fn(size :: i64) Type { if size == 1 { i8 } elif size == 2 { i16 } elif size == 4 { i32 } elif size == 8 { i64 } else { f32 } }; get_utype_with_size ::= fn(size :: i64) Type { if size == 1 { u8 } elif size == 2 { u16 } elif size == 4 { u32 } elif size == 8 { u64 } else { f32 } }; c_int ::= get_type_with_size(#builtin("sizeof int")); c_size_t ::= get_utype_with_size(#builtin("sizeof size_t")); c_putchar ::= #foreign("putchar", "libc.so.6") fn(#C int) #C int; toc_putchar ::= fn(x: char) { c_putchar(x as c_int); }; c_fwrite ::= #foreign("fwrite", "libc.so.6") fn(&u8, #C size_t, #C size_t, &u8) #C size_t; stdout_fwrite ::= fn(data: &u8, size: u64, nmemb: u64) { c_fwrite(data, size as c_size_t, nmemb as c_size_t, #builtin("stdout")); }; puts ::= fn(x: []char) { stdout_fwrite(&x[0] as &u8, 1, x.len as u64); toc_putchar('\n'); }; puti ::= fn(x: int) { if x < 0 { toc_putchar('-'); // NOTE: don't do x = -x; here to make sure I64_MIN works } if x == 0 { toc_putchar('0'); } else { abs ::= fn(x: int) int { if x < 0 { -x } else { x } }; scan_digit := 1000000000000000000; started := false; while scan_digit > 0 { digit := abs((x / scan_digit) % 10); if digit > 0 { started = true; } if started { toc_putchar((('0' as int) + digit) as char); } scan_digit /= 10; } } toc_putchar('\n'); };