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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. |