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, 12 insertions, 0 deletions

diff --git a/ASTPrinter.cpp b/ASTPrinter.cpp
index 9b545ac9..eb9d92f0 100644
--- a/ASTPrinter.cpp
+++ b/ASTPrinter.cpp
@@ -171,6 +171,13 @@ bool ASTPrinter::visit(VariableDefinition& _node)
 	return goDeeper();
 }
 
+bool ASTPrinter::visit(ExpressionStatement& _node)
+{
+	writeLine("ExpressionStatement");
+	printSourcePart(_node);
+	return goDeeper();
+}
+
 bool ASTPrinter::visit(Expression& _node)
 {
 	writeLine("Expression");
@@ -358,6 +365,11 @@ void ASTPrinter::endVisit(VariableDefinition&)
 	m_indentation--;
 }
 
+void ASTPrinter::endVisit(ExpressionStatement&)
+{
+	m_indentation--;
+}
+
 void ASTPrinter::endVisit(Expression&)
 {
 	m_indentation--;