From 2d8956a00bba7f3aa20783d55d93f4078fb7774a Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <sven.verdoolaege@gmail.com>
Date: Fri, 30 Mar 2018 12:58:10 +0200
Subject: [PATCH] add isl_ast_expr_op_get_n_arg as alternative name for
 isl_ast_expr_get_op_n_arg

The new name is more consistent with the pattern of other function names,
where the (sub)type name appears as a prefix.
The new name will also make it easier to export isl_ast_expr
as subclasses.

Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
---
 doc/user.pod      |  6 +++++-
 include/isl/ast.h |  1 +
 isl_ast.c         | 11 ++++++++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/doc/user.pod b/doc/user.pod
index 2cceec65..81c153b1 100644
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -10072,6 +10072,7 @@ Each type of expression has its own additional properties.
 	#include <isl/ast.h>
 	enum isl_ast_op_type isl_ast_expr_get_op_type(
 		__isl_keep isl_ast_expr *expr);
+	isl_size isl_ast_expr_op_get_n_arg(__isl_keep isl_ast_expr *expr);
 	isl_size isl_ast_expr_get_op_n_arg(__isl_keep isl_ast_expr *expr);
 	__isl_give isl_ast_expr *isl_ast_expr_get_op_arg(
 		__isl_keep isl_ast_expr *expr, int pos);
@@ -10085,9 +10086,12 @@ Each type of expression has its own additional properties.
 			void *user), void *user);
 
 C<isl_ast_expr_get_op_type> returns the type of the operation
-performed.  C<isl_ast_expr_get_op_n_arg> returns the number of
+performed.  C<isl_ast_expr_op_get_n_arg> returns the number of
 arguments.  C<isl_ast_expr_get_op_arg> returns the specified
 argument.
+C<isl_ast_expr_get_op_n_arg> is an alternative name for
+C<isl_ast_expr_op_get_n_arg>.
+
 C<isl_ast_expr_foreach_ast_op_type> calls C<fn> for each distinct
 C<isl_ast_op_type> that appears in C<expr>.
 C<isl_ast_node_foreach_ast_op_type> does the same for each distinct
diff --git a/include/isl/ast.h b/include/isl/ast.h
index 63553e86..71a90262 100644
--- a/include/isl/ast.h
+++ b/include/isl/ast.h
@@ -69,6 +69,7 @@ __isl_give isl_id *isl_ast_expr_id_get_id(__isl_keep isl_ast_expr *expr);
 __isl_give isl_id *isl_ast_expr_get_id(__isl_keep isl_ast_expr *expr);
 
 enum isl_ast_op_type isl_ast_expr_get_op_type(__isl_keep isl_ast_expr *expr);
+isl_size isl_ast_expr_op_get_n_arg(__isl_keep isl_ast_expr *expr);
 isl_size isl_ast_expr_get_op_n_arg(__isl_keep isl_ast_expr *expr);
 __isl_give isl_ast_expr *isl_ast_expr_get_op_arg(__isl_keep isl_ast_expr *expr,
 	int pos);
diff --git a/isl_ast.c b/isl_ast.c
index 8414621b..28a45d47 100644
--- a/isl_ast.c
+++ b/isl_ast.c
@@ -292,7 +292,9 @@ enum isl_ast_op_type isl_ast_expr_get_op_type(__isl_keep isl_ast_expr *expr)
 	return expr->u.op.op;
 }
 
-isl_size isl_ast_expr_get_op_n_arg(__isl_keep isl_ast_expr *expr)
+/* Return the number of arguments of the operation represented by "expr".
+ */
+isl_size isl_ast_expr_op_get_n_arg(__isl_keep isl_ast_expr *expr)
 {
 	if (!expr)
 		return isl_size_error;
@@ -302,6 +304,13 @@ isl_size isl_ast_expr_get_op_n_arg(__isl_keep isl_ast_expr *expr)
 	return expr->u.op.n_arg;
 }
 
+/* This is an alternative name for the function above.
+ */
+isl_size isl_ast_expr_get_op_n_arg(__isl_keep isl_ast_expr *expr)
+{
+	return isl_ast_expr_op_get_n_arg(expr);
+}
+
 __isl_give isl_ast_expr *isl_ast_expr_get_op_arg(__isl_keep isl_ast_expr *expr,
 	int pos)
 {
-- 
2.11.4.GIT