Initial parsing and pretty-printing

1 files changed, 54 insertions, 0 deletions

diff --git a/src/print.sig b/src/print.sig
new file mode 100644
index 00000000..5bf3fcd8
--- /dev/null
+++ b/src/print.sig
@@ -0,0 +1,54 @@
+(* Copyright (c) 2008, Adam Chlipala
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - The names of contributors may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *)
+
+(* Pretty-printing *)
+
+signature PRINT = sig
+    structure PD : PP_DESC
+                       where type PPS.token = string
+
+    type 'a printer = 'a -> PD.pp_desc
+
+    val box : PD.pp_desc list -> PD.pp_desc
+    val parenIf : bool -> PD.pp_desc -> PD.pp_desc
+    val space : PD.pp_desc
+
+    val p_list_sep : PD.pp_desc -> 'a printer -> 'a list printer
+    val p_list : 'a printer -> 'a list printer
+
+    val fprint : PD.PPS.stream -> PD.pp_desc -> unit
+    val print : PD.pp_desc -> unit
+    val eprint : PD.pp_desc -> unit
+
+    val fpreface : PD.PPS.stream -> string * PD.pp_desc -> unit
+    val preface : string * PD.pp_desc -> unit
+    val epreface : string * PD.pp_desc -> unit
+
+    val fprefaces : PD.PPS.stream -> (string * PD.pp_desc) list -> unit
+    val prefaces : (string * PD.pp_desc) list -> unit
+    val eprefaces : (string * PD.pp_desc) list -> unit
+end