From 98c6af780efded6bed75dc9af397b93ce95a3e14 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Fri, 31 Mar 2017 17:02:14 +0200
Subject: [PATCH] grammar update

---
 doc/grammar.txt | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/doc/grammar.txt b/doc/grammar.txt
index 47f7391747..c70a6737fd 100644
--- a/doc/grammar.txt
+++ b/doc/grammar.txt
@@ -10,7 +10,7 @@ operator =  OP0 | OP1 | OP2 | OP3 | OP4 | OP5 | OP6 | OP7 | OP8 | OP9
 prefixOperator = operator
 optInd = COMMENT?
 optPar = (IND{>} | IND{=})?
-simpleExpr = arrowExpr (OP0 optInd arrowExpr)*
+simpleExpr = arrowExpr (OP0 optInd arrowExpr)* pragma?
 arrowExpr = assignExpr (OP1 optInd assignExpr)*
 assignExpr = orExpr (OP2 optInd orExpr)*
 orExpr = andExpr (OP3 optInd andExpr)*
@@ -23,8 +23,6 @@ mulExpr = dollarExpr (OP9 optInd dollarExpr)*
 dollarExpr = primary (OP10 optInd primary)*
 symbol = '`' (KEYW|IDENT|literal|(operator|'('|')'|'['|']'|'{'|'}'|'=')+)+ '`'
        | IDENT | 'addr' | 'type'
-indexExpr = expr
-indexExprList = indexExpr ^+ comma
 exprColonEqExpr = expr (':'|'=' expr)?
 exprList = expr ^+ comma
 dotExpr = expr '.' optInd symbol
@@ -194,7 +192,7 @@ complexOrSimpleStmt = (ifStmt | whenStmt | whileStmt
                     | 'converter' routine
                     | 'type' section(typeDef)
                     | 'const' section(constant)
-                    | ('let' | 'var') section(variable)
+                    | ('let' | 'var' | 'using') section(variable)
                     | bindStmt | mixinStmt)
                     / simpleStmt
 stmt = (IND{>} complexOrSimpleStmt^+(IND{=} / ';') DED)