From 860171895f5858314abd85f8461568f34e76c427 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Wed, 16 May 2012 10:47:58 +0200
Subject: Update erl_lint, erl_expand_records, sys_pre_expand for maps

---
 lib/compiler/src/sys_pre_expand.erl | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'lib/compiler/src')

diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index 48d9c16718..969e95e8dc 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -228,6 +228,12 @@ pattern({cons,Line,H,T}, St0) ->
 pattern({tuple,Line,Ps}, St0) ->
     {TPs,St1} = pattern_list(Ps, St0),
     {{tuple,Line,TPs},St1};
+pattern({map,Line,Ps}, St0) ->
+    {TPs,St1} = pattern_list(Ps, St0),
+    {{map,Line,TPs},St1};
+pattern({map_field,Line,Key,V0}, St0) ->
+    {V,St1} = pattern(V0, St0),
+    {{map_field,Line,Key,V},St1};
 %%pattern({struct,Line,Tag,Ps}, St0) ->
 %%    {TPs,TPsvs,St1} = pattern_list(Ps, St0),
 %%    {{tuple,Line,[{atom,Line,Tag}|TPs]},TPsvs,St1};
@@ -321,6 +327,16 @@ expr({tuple,Line,Es0}, St0) ->
 %%expr({struct,Line,Tag,Es0}, Vs, St0) ->
 %%    {Es1,Esvs,Esus,St1} = expr_list(Es0, Vs, St0),
 %%    {{tuple,Line,[{atom,Line,Tag}|Es1]},Esvs,Esus,St1};
+expr({map,Line,Es0}, St0) ->
+    {Es1,St1} = expr_list(Es0, St0),
+    {{map,Line,Es1},St1};
+expr({map,Line,Var,Es0}, St0) ->
+    {Es1,St1} = expr_list(Es0, St0),
+    {{map,Line,Var,Es1},St1};
+expr({map_field,Line,K0,V0}, St0) ->
+    {K,St1} = expr(K0, St0),
+    {V,St2} = expr(V0, St1),
+    {{map_field,Line,K,V},St2};
 expr({bin,Line,Es0}, St0) ->
     {Es1,St1} = expr_bin(Es0, St0),
     {{bin,Line,Es1},St1};
-- 
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