From a750fc0ba63c9f1461bba4cc0446b1b4c2d2b3a9 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Tue, 19 Mar 2024 21:05:23 +0000
Subject: Add `#row_major matrix[R, C]T`

As well as `#column_major matrix[R, C]T` as an alias for just `matrix[R, C]T`.
This is because some libraries require a row_major internal layout but still want to be used with row or major oriented vectors.
---
 src/parser.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/parser.cpp')

diff --git a/src/parser.cpp b/src/parser.cpp
index 1aa40ccbf..eb9e73342 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -2329,6 +2329,19 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) {
 				break;
 			}
 			return original_type;
+		} else if (name.string == "row_major" ||
+		           name.string == "column_major") {
+			Ast *original_type = parse_type(f);
+			Ast *type = unparen_expr(original_type);
+			switch (type->kind) {
+			case Ast_MatrixType:
+				type->MatrixType.is_row_major = (name.string == "row_major");
+				break;
+			default:
+				syntax_error(type, "Expected a matrix type after #%.*s, got %.*s", LIT(name.string), LIT(ast_strings[type->kind]));
+				break;
+			}
+			return original_type;
 		} else if (name.string == "partial") {
 			Ast *tag = ast_basic_directive(f, token, name);
 			Ast *original_expr = parse_expr(f, lhs);
-- 
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