From 58a0f09f8ed6b4f74ca5757408f7e19f27703ff5 Mon Sep 17 00:00:00 2001
From: Federico Bond <federicobond@gmail.com>
Date: Sun, 5 Nov 2017 09:40:57 -0500
Subject: [PATCH] Improve rule for decimal numbers in grammar.txt

---
 docs/grammar.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/grammar.txt b/docs/grammar.txt
index 72364b7c3..94fc2e1cc 100644
--- a/docs/grammar.txt
+++ b/docs/grammar.txt
@@ -127,7 +127,7 @@ StringLiteral = '"' ([^"\r\n\\] | '\\' .)* '"'
 Identifier = [a-zA-Z_$] [a-zA-Z_$0-9]*
 
 HexNumber = '0x' [0-9a-fA-F]+
-DecimalNumber = [0-9]+
+DecimalNumber = [0-9]+ ( '.' [0-9]* )? ( [eE] [0-9]+ )?
 
 TupleExpression = '(' ( Expression ( ',' Expression )*  )? ')'
                 | '[' ( Expression ( ',' Expression )*  )? ']'
@@ -143,9 +143,9 @@ Uint = 'uint' | 'uint8' | 'uint16' | 'uint24' | 'uint32' | 'uint40' | 'uint48' |
 
 Byte = 'byte' | 'bytes' | 'bytes1' | 'bytes2' | 'bytes3' | 'bytes4' | 'bytes5' | 'bytes6' | 'bytes7' | 'bytes8' | 'bytes9' | 'bytes10' | 'bytes11' | 'bytes12' | 'bytes13' | 'bytes14' | 'bytes15' | 'bytes16' | 'bytes17' | 'bytes18' | 'bytes19' | 'bytes20' | 'bytes21' | 'bytes22' | 'bytes23' | 'bytes24' | 'bytes25' | 'bytes26' | 'bytes27' | 'bytes28' | 'bytes29' | 'bytes30' | 'bytes31' | 'bytes32'
 
-Fixed = 'fixed' | ( 'fixed' DecimalNumber 'x' DecimalNumber )
+Fixed = 'fixed' | ( 'fixed' [0-9]+ 'x' [0-9]+ )
 
-Ufixed = 'ufixed' | ( 'ufixed' DecimalNumber 'x' DecimalNumber )
+Ufixed = 'ufixed' | ( 'ufixed' [0-9]+ 'x' [0-9]+ )
 
 InlineAssemblyBlock = '{' AssemblyItem* '}'