1 files changed, 72 insertions, 0 deletions
diff --git a/source/common.elna b/source/common.elna
new file mode 100644
index 0000000..e7b30ca
--- /dev/null
+++ b/source/common.elna
@@ -0,0 +1,72 @@
+(* This Source Code Form is subject to the terms of the Mozilla Public License,
+  v. 2.0. If a copy of the MPL was not distributed with this file, You can
+  obtain one at https://mozilla.org/MPL/2.0/. *)
+module;
+
+import cstring, cstdio;
+
+type
+  Identifier = [256]Char;
+  TextLocation* = record
+    line: Word;
+    column: Word
+  end;
+
+proc write*(fd: Int, buf: Pointer, Word: Int) -> Int; extern;
+
+proc write_s*(value: String);
+begin
+  (* fwrite(cast(value.ptr: Pointer), value.length, 1u, stdout) *)
+  write(1, cast(value.ptr: Pointer), cast(value.length: Int))
+end;
+
+proc write_z*(value: ^Char);
+begin
+  write(1, cast(value: Pointer), cast(strlen(value): Int))
+end;
+
+proc write_b*(value: Bool);
+begin
+  if value then
+    write_s("true")
+  else
+    write_s("false")
+  end
+end;
+
+proc write_c*(value: Char);
+begin
+  putchar(cast(value: Int));
+  fflush(nil)
+end;
+
+proc write_i*(value: Int);
+var
+  digit: Int;
+  n: Word;
+  buffer: [10]Char;
+begin
+  n := 10u;
+
+  if value = 0 then
+    write_c('0')
+  end;
+  while value <> 0 do
+    digit := value % 10;
+    value := value / 10;
+
+    buffer[n] := cast(cast('0': Int) + digit: Char);
+    n := n - 1u
+  end;
+  while n < 10u do
+    n := n + 1u;
+    write_c(buffer[n])
+  end
+end;
+
+proc write_u*(value: Word);
+begin
+  write_i(cast(value: Int))
+end;
+
+end.