first usable version

IBAF-Editor/syntax/cbs-gen/IBAF-Statements.sdf3

@@ -0,0 +1,48 @@
+module IBAF-Statements
+            
+imports 
+  IBAF-Expressions
+  Funcons
+
+// Language "IBAFlang"
+    
+lexical syntax // Language
+  
+syntax // Language
+  
+context-free syntax // Language
+  L-stmt.L-stmt--L-type-L-id-EQUALS-L-exp-SEMI =
+    L-type L-id "=" L-exp ";"
+  L-stmt.L-stmt--R-print-LPAREN-L-exp-RPAREN-SEMI =
+    "print" "(" L-exp ")" ";"
+  L-stmt.L-stmt--L-stmt-L-stmt =
+    L-stmt L-stmt
+  
+  L-type.L-type--R-int =
+    "int"
+  L-type.L-type--R-bool =
+    "bool"
+  L-type.L-type--L-id =
+    L-id
+  
+  
+context-free syntax // Semantics
+  FCT.T-execute =
+    "execute" "[:" L-stmt ":]"
+  
+context-free syntax // Desugaring
+  
+variables // Meta-variables
+  L-stmt = "(:Stmt" [1-9]? ":)" {prefer}
+  L-stmt? = "(:Stmt" [1-9]? "?:)" {prefer}
+  L-stmt* = "(:Stmt" [1-9]? "*:)" {prefer}
+  L-stmt+ = "(:Stmt" [1-9]? "+:)" {prefer}
+  L-type = "(:Typ" [1-9]? ":)" {prefer}
+  L-type? = "(:Typ" [1-9]? "?:)" {prefer}
+  L-type* = "(:Typ" [1-9]? "*:)" {prefer}
+  L-type+ = "(:Typ" [1-9]? "+:)" {prefer}
+  
+// SDF comments
+  
+sorts // ASTs
+  T-start