Sketched rough parser code construction including some SQL AST classes.

core/SqlAstExpression.h

@@ -0,0 +1,19 @@
+#ifndef SQLASTEXPRESSION_H
+#define SQLASTEXPRESSION_H
+
+#include "SqlAstNode.h"
+
+class SqlParser;
+
+namespace SqlAst {
+
+/// Base class for parts of expressions like calculations, comparisons, function calls etc...
+class Expression: public Node {
+
+};
+
+std::shared_ptr<SqlAst::Expression> parseExpression(SqlParser &parser);
+
+}
+
+#endif // SQLASTEXPRESSION_H