add support for emit statement (#29)

duaraghav8 · Mar 13, 2018 · 403f30a · 403f30a
1 parent 07a8a4f
commit 403f30a
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diff --git a/solidity.pegjs b/solidity.pegjs
@@ -461,6 +461,7 @@ Zs = [\u0020\u00A0\u1680\u2000-\u200A\u202F\u205F\u3000]
 
 /* Tokens */
 
+EmitToken       = "emit"       !IdentifierPart
 ExperimentalToken      = "experimental"      !IdentifierPart
 ExternalToken   = "external"   !IdentifierPart
 PureToken       = "pure"       !IdentifierPart
@@ -1075,6 +1076,7 @@ Statement
   / ReturnStatement
   / ThrowStatement
   / UsingStatement
+  / EmitStatement
 
 Block
   = "{" __ body:(StatementList __)? "}" {
@@ -1261,6 +1263,17 @@ UsingStatement
     }
   }
 
+EmitStatement
+  = EmitToken __ callexpr:CallExpression EOS
+  {
+    return {
+      type: "EmitStatement",
+      expression: callexpr,
+      start: location().start.offset,
+      end: location().end.offset
+    };
+  }
+
 SymbolList
   = head:Symbol tail:( __ "," __ Symbol)* {
       return buildList(head, tail, 3);

diff --git a/test/doc_examples.sol b/test/doc_examples.sol
@@ -536,4 +536,13 @@ contract Bar {
     }
 }
 
+contract EventTester {
+    event Transfer(string name, uint amount);
+
+    function foo() public {
+        Transfer("Jacob", 2901);
+        emit Transfer("Jacob", 2901);
+    }
+}
+
 //end of file