From a25ee154e760a424ef4aef46a6e3d6fdf1079cf1 Mon Sep 17 00:00:00 2001 From: aarne Date: Wed, 15 Sep 2004 14:36:27 +0000 Subject: introducing multiple inheritance --- grammars/multiple/map.txt | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 grammars/multiple/map.txt (limited to 'grammars/multiple/map.txt') diff --git a/grammars/multiple/map.txt b/grammars/multiple/map.txt new file mode 100644 index 000000000..1700f967c --- /dev/null +++ b/grammars/multiple/map.txt @@ -0,0 +1,32 @@ +Using multiple inheritance in GF. AR 15/9/2004. + +The following diagrams show inheritance between abstract syntaxes in two simple systems. + + TopCity + / | \ + / | \ + SystemCity UserCity Top + / \ / \ + System City User + + + TopMath + / | \ + / | \ + SystemMath UserMath Top + / \ / \ + System Math User + + +Idea of each module: + + User -- User's moves on any domain + System -- System's moves on any domain + Top -- grammar covering both kinds of moves + X = Math, City -- possible domains + UserX -- User's domain specific moves + SystemX -- System's domain specific moves + TopX -- all moves on the domain X + +In parallel to the abstract syntax hierarchies, we have of course +hierarchies of concrete syntaxes for any language; this directory contains Eng. -- cgit v1.2.3