From 25c42264a5d84a099ae778d83dd5ac110577cde6 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Fri, 7 Oct 2016 21:41:09 +0800
Subject: MIR Gen Match - (Simple) support array patterns

---
 src/mir/from_hir_match.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'src/mir/from_hir_match.cpp')

diff --git a/src/mir/from_hir_match.cpp b/src/mir/from_hir_match.cpp
index 2cdcc288..756e5ef5 100644
--- a/src/mir/from_hir_match.cpp
+++ b/src/mir/from_hir_match.cpp
@@ -557,7 +557,21 @@ int MIR_LowerHIR_Match_Simple__GeneratePattern(MirBuilder& builder, const Span&
         ),
     (Array,
         if( !rule.is_Any() ) {
-            TODO(sp, "Match over Array");
+            unsigned int total = 0;
+            for( unsigned int i = 0; i < te.size_val; i ++ ) {
+                unsigned int cnt = MIR_LowerHIR_Match_Simple__GeneratePattern(
+                    builder, sp,
+                    rules, num_rules, *te.inner,
+                    ::MIR::LValue::make_Field({ box$(match_val.clone()), i }),
+                    fail_bb
+                    );
+                total += cnt;
+                rules += cnt;
+                num_rules -= cnt;
+                if( num_rules == 0 )
+                    return total;
+            }
+            return total;
         }
         return 1;
         ),
-- 
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