Contract compiler and also add ExpressionStatement to AST.

ExpressionStatement functions as glue between Statements and Expressions.

This way it is possible to detect when the border between statements and
expressions is crossed while walking the AST. Note that ExpressionStatement is
not the only border, almost every statement can contains expressions.

1 files changed, 2 insertions, 0 deletions

diff --git a/ASTVisitor.h b/ASTVisitor.h
index a667ad39..2a765e47 100644
--- a/ASTVisitor.h
+++ b/ASTVisitor.h
@@ -58,6 +58,7 @@ public:
 	virtual bool visit(Break&) { return true; }
 	virtual bool visit(Return&) { return true; }
 	virtual bool visit(VariableDefinition&) { return true; }
+	virtual bool visit(ExpressionStatement&) { return true; }
 	virtual bool visit(Expression&) { return true; }
 	virtual bool visit(Assignment&) { return true; }
 	virtual bool visit(UnaryOperation&) { return true; }
@@ -89,6 +90,7 @@ public:
 	virtual void endVisit(Break&) { }
 	virtual void endVisit(Return&) { }
 	virtual void endVisit(VariableDefinition&) { }
+	virtual void endVisit(ExpressionStatement&) { }
 	virtual void endVisit(Expression&) { }
 	virtual void endVisit(Assignment&) { }
 	virtual void endVisit(UnaryOperation&) { }