From: Jean Privat <jean@pryen.org>
Date: Sat, 17 Oct 2015 02:18:07 +0000 (-0400)
Subject: astvalidation: add `ANode::validate` to simplify validation
X-Git-Tag: v0.7.9~27^2~8
X-Git-Url: http://nitlanguage.org

astvalidation: add `ANode::validate` to simplify validation

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/src/astvalidation.nit b/src/astvalidation.nit
index 2883197..183b4b2 100644
--- a/src/astvalidation.nit
+++ b/src/astvalidation.nit
@@ -29,6 +29,18 @@ class ASTValidationVisitor
 end
 
 redef class ANode
+	# Recursively validate a AST node.
+	# This ensure that location and parenting are defined and coherent.
+	#
+	# After complex low-level AST manipulation and construction,
+	# it is recommended to call it.
+	#
+	# Note: this just instantiate and run an `ASTValidationVisitor`.
+	fun validate
+	do
+		(new ASTValidationVisitor).enter_visit(self)
+	end
+
 	private fun accept_ast_validation(v: ASTValidationVisitor)
 	do
 		var parent = self.parent