remove grammar, clean structure

zokrates_book/src/SUMMARY.md

@@ -12,7 +12,6 @@
 	- [Comments](./concepts/comments.md)
 
 - [Reference](reference/index.md)
-    - [Grammar](reference/grammar.md)
     - [CLI](reference/cli.md)
     - [Verification](reference/verification.md)
 

zokrates_book/src/concepts.md

@@ -1 +1 @@
-# Programming Concepts
+# Programming Concepts

zokrates_book/src/concepts/index.md

@@ -0,0 +1 @@
+# Programming Concepts

zokrates_book/src/reference/grammar.md

@@ -1,81 +0,0 @@
-# Grammar
-
-The current syntax of ZoKrates is the following
-```k
-module ZOKRATES-SYNTAX
-	imports DOMAINS-SYNTAX
-
-	syntax Prog ::= Impts FunDecls [klabel(#Prog)] // should not be required, cf https://github.com/kframework/k-legacy/issues/1839
-
-	syntax ImptBody ::= "import" String
-	syntax Alias ::= "as" Id
-	syntax Impt ::= ImptBody [klabel(#Impt)]
-	        	  | ImptBody Alias [klabel(#AliasedImpt)]
-	syntax Impts ::= List{Impt,""}
-
-  	syntax Id ::= "main" [token]
-
-	syntax Arg ::= Type Id
-				 | "private" Type Id
-
-	syntax Type ::= "field"
-				  | "bool"
-	syntax ReturnTypes ::= List{Type,","}
-
-	syntax Args ::= List{Arg,","}
-	syntax FunDecl ::= "def" Id "(" Args ")" "->" "(" ReturnTypes ")" ":" Stmts
-	syntax FunDecls ::= FunDecl
-                 	  | FunDecl FunDecls                          [right]
-
-	syntax Stmt ::= Assert
-				  | Define
-				  | Declare
-				  | DeclareDefine
-				  | Return
-				  | For
-				  | Destructure
-
-	syntax HintId ::= Id
-	                | Type Id
-
-	syntax HintIds ::= List{HintId,","}
-
-	syntax Destructure ::= HintId "," HintIds "=" FCall
-
-	syntax Stmts ::= List{Stmt,""}
-
-	syntax Assert ::= Exp "==" Exp
-	syntax Declare ::= Type Id
-	syntax Define ::= Id "=" Exp
-	syntax DeclareDefine ::= Type Id "=" Exp // should be sugar for Declare then Define
-	syntax Return ::= "return" Exps
-	syntax For ::= "for" Type Id "in" Int ".." Int "do" Stmts "endfor"
-
-
-	syntax Exps ::= List{Exp,","}          [strict]
-	syntax Exp ::= Int | Bool | Id
-               | "(" Exp ")"             [bracket]
-               > Exp "(" Exps ")"        [strict]
-               > left:
-                 Exp "*" Exp             [strict, left]
-               | Exp "/" Exp             [strict, left]
-               | Exp "**" Exp 		     [strict, left]
-               > left:
-                 Exp "+" Exp             [strict, left]
-               | Exp "-" Exp             [strict, left]
-               | IfElse
-               > non-assoc:
-                 Exp "<" Exp             [strict, non-assoc]
-               | Exp "<=" Exp            [strict, non-assoc]
-               | Exp ">" Exp             [strict, non-assoc]
-               | Exp ">=" Exp            [strict, non-assoc]
-               | Exp "==" Exp            [strict, non-assoc]
-               > IfElse
-               > FCall
-
-    syntax FCall ::= Id "(" Exps ")"
-
-    syntax IfElse ::= "if" Exp "then" Exp "else" Exp "fi"    [strict(1)]
-
-endmodule
-```

zokrates_book/src/reference/index.md

@@ -3,6 +3,5 @@
 The reference covers the details of various areas of ZoKrates.
 
 - [ZoKrates Reference](index.md)
-    - [Grammar](grammar.md)
     - [CLI](cli.md)
     - [Verification](verification.md)