1 files changed, 36 insertions, 0 deletions
diff --git a/stream.sig b/stream.sig
new file mode 100644
index 0000000..98cfb65
--- /dev/null
+++ b/stream.sig
@@ -0,0 +1,36 @@
+signature STREAM = sig
+  type fileId = int
+  type fileOffset = int
+  type pos = fileId * fileOffset
+  type convPos = string * int * int option
+
+  type filesInfo = (fileId * string * string) list
+
+  exception EndOfStream
+  exception EndOfFile
+
+  exception LineWithoutNl
+
+  type t
+
+  val extractFilesInfo: t -> filesInfo
+
+  val pos2str: convPos -> string
+  val printPos: (fileId * string * string) list -> pos -> unit
+
+  val getchar: t -> char * t
+  val ungetc: t -> t
+  val readline: t -> string * t
+
+  val getOffset: t -> fileOffset
+  val getPos: t -> pos
+  val getPosAfterCharRead: t -> pos
+  val getPposFromPos: pos -> t -> convPos
+
+  val getSubstr: fileOffset -> fileOffset -> t -> string
+  val isFirstOnLine: pos -> t -> bool
+
+  val advanceToNewFile: t -> t
+
+  val streamInit: string -> t
+end