From b9dcaa9fd15493c2492015e2787b0dcc03e378c3 Mon Sep 17 00:00:00 2001
From: Dima Granetchi <system.grand@gmail.com>
Date: Fri, 20 Dec 2024 19:32:38 +0200
Subject: [PATCH] add unit test for multi-push functionality in array

---
 examples/test/unit_tests/array.das |  27 ++
 src/builtin/builtin.das            |  94 +++++-
 src/builtin/builtin.das.inc        | 525 ++++++++++++++++++++++++++++-
 3 files changed, 634 insertions(+), 12 deletions(-)

diff --git a/examples/test/unit_tests/array.das b/examples/test/unit_tests/array.das
index 586832c76..117d246d0 100644
--- a/examples/test/unit_tests/array.das
+++ b/examples/test/unit_tests/array.das
@@ -136,6 +136,7 @@ def test:bool
     testIntArray()
     testConstInArray()
     testInterop()
+    testMultiPush()
     return true
 
 // this test bellow is only here to make sure AOT compiles and runs for array<blah const>
@@ -160,3 +161,29 @@ def testConstInArray
     var b : Foo const[10]
     testAccept(a, b)
 
+[sideeffects]
+def testMultiPush()
+    var a : array<Foo>
+    var b : array<Foo>
+    push(b, a)
+    verify(length(a)==0)
+    verify(length(b)==0)
+
+    a <- [Foo(bar=1), Foo(bar=2)]
+    push(b, a)
+    verify(length(a)==2)
+    verify(length(b)==2)
+    verify(a[0].bar==1)
+    verify(a[1].bar==2)
+    verify(b[0].bar==1)
+    verify(b[1].bar==2)
+
+    var c = fixed_array(Foo(bar=3))
+    push(b, c)
+    verify(length(b)==3)
+    verify(b[2].bar==3)
+    verify(c[0].bar==3)
+
+    push_clone(b, c)
+    verify(length(b)==4)
+    verify(b[3].bar==3)
diff --git a/src/builtin/builtin.das b/src/builtin/builtin.das
index 7f3ef1ca1..b7a30c727 100644
--- a/src/builtin/builtin.das
+++ b/src/builtin/builtin.das
@@ -141,7 +141,20 @@ def push(var Arr:array<auto(numT)>;var value:numT-# ==const)
         concept_assert(false,"can't push value, which can't be copied")
 
 [unused_argument(Arr, value)]
-def push(var Arr:array<auto(numT)>; varr:array<numT>-#)
+def push(var Arr:array<auto(numT)>; varr:array<numT-#> ==const)
+    static_if typeinfo(can_copy type<numT>)
+        static_if typeinfo(need_lock_check type<numT>)
+            _builtin_verify_locks(Arr)
+        static_if typeinfo(can_clone_from_const varr[0])
+            for t in varr
+                Arr[__builtin_array_push_back(Arr,typeinfo(sizeof Arr[0]))] = t
+        else
+            concept_assert(false,"can't push value, which can't be cloned from const")
+    else
+        concept_assert(false,"can't push value, which can't be copied")
+
+[unused_argument(Arr, value)]
+def push(var Arr:array<auto(numT)>; var varr:array<numT-#> ==const)
     static_if typeinfo(can_copy type<numT>)
         static_if typeinfo(need_lock_check type<numT>)
             _builtin_verify_locks(Arr)
@@ -161,7 +174,22 @@ def push(var Arr:array<auto(numT)>; varr:numT[]-#)
         concept_assert(false,"can't push value, which can't be copied")
 
 [unused_argument(Arr, value)]
-def push(var Arr:array<auto(numT)[]>; varr:numT[]-#)
+def push(var Arr:array<auto(numT)[]>; varr:numT[]-# ==const)
+    static_if typeinfo(can_copy type<numT>)
+        static_if typeinfo(sizeof Arr[0])==typeinfo(sizeof varr)
+            static_if typeinfo(need_lock_check type<numT>)
+                _builtin_verify_locks(Arr)
+            static_if typeinfo(can_clone_from_const varr)
+                Arr[__builtin_array_push_back(Arr,typeinfo(sizeof Arr[0]))] = varr
+            else
+                concept_assert(false,"can't push array of different size")
+        else
+            concept_assert(false,"can't push array of different size")
+    else
+        concept_assert(false,"can't push value, which can't be copied")
+
+[unused_argument(Arr, value)]
+def push(var Arr:array<auto(numT)[]>; var varr:numT[]-# ==const)
     static_if typeinfo(can_copy type<numT>)
         static_if typeinfo(sizeof Arr[0])==typeinfo(sizeof varr)
             static_if typeinfo(need_lock_check type<numT>)
@@ -212,7 +240,20 @@ def emplace(var Arr:array<auto(numT)[]>;var value:numT[]-#)
     else
         concept_assert(false,"can't emplace value, which can't be moved")
 
-def push_clone(var Arr:array<auto(numT)>;value:numT|#;at:int)
+[unused_argument(Arr, value, at)]
+def push_clone(var Arr:array<auto(numT)>;value:numT ==const|#;at:int)
+    static_if typeinfo(can_clone value)
+        static_if typeinfo(need_lock_check type<numT>)
+            _builtin_verify_locks(Arr)
+        static_if typeinfo(can_clone_from_const value)
+            Arr[__builtin_array_push_zero(Arr,at,typeinfo(sizeof Arr[0]))] := value
+        else
+            concept_assert(false,"can't push-clone value, which can't be cloned from const")
+    else
+        concept_assert(false,"can't push-clone value, which can't be cloned")
+
+[unused_argument(Arr, value, at)]
+def push_clone(var Arr:array<auto(numT)>;var value:numT ==const|#;at:int)
     static_if typeinfo(can_clone value)
         static_if typeinfo(need_lock_check type<numT>)
             _builtin_verify_locks(Arr)
@@ -220,7 +261,8 @@ def push_clone(var Arr:array<auto(numT)>;value:numT|#;at:int)
     else
         concept_assert(false,"can't push-clone value, which can't be cloned")
 
-def push_clone(var Arr:array<auto(numT)>;value:numT|#)
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)>;value:numT ==const|#)
     static_if typeinfo(can_clone value)
         static_if typeinfo(need_lock_check type<numT>)
             _builtin_verify_locks(Arr)
@@ -231,7 +273,30 @@ def push_clone(var Arr:array<auto(numT)>;value:numT|#)
     else
         concept_assert(false,"can't push-clone value, which can't be cloned")
 
-def push_clone(var Arr:array<auto(numT)>; varr:numT[])
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)>;var value:numT ==const|#)
+    static_if typeinfo(can_clone value)
+        static_if typeinfo(need_lock_check type<numT>)
+            _builtin_verify_locks(Arr)
+        Arr[__builtin_array_push_back_zero(Arr,typeinfo(sizeof Arr[0]))] := value
+    else
+        concept_assert(false,"can't push-clone value, which can't be cloned")
+
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)>; varr:numT[] ==const)
+    static_if typeinfo(can_clone type<numT>)
+        static_if typeinfo(need_lock_check type<numT>)
+            _builtin_verify_locks(Arr)
+        static_if typeinfo(can_clone_from_const varr[0])
+            for t in varr
+                Arr[__builtin_array_push_back(Arr,typeinfo(sizeof Arr[0]))] := t
+        else
+            concept_assert(false,"can't push-clone value, which can't be cloned from const")
+    else
+        concept_assert(false,"can't push_clone value, which can't be cloned")
+
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)>; var varr:numT[] ==const)
     static_if typeinfo(can_clone type<numT>)
         static_if typeinfo(need_lock_check type<numT>)
             _builtin_verify_locks(Arr)
@@ -240,7 +305,24 @@ def push_clone(var Arr:array<auto(numT)>; varr:numT[])
     else
         concept_assert(false,"can't push_clone value, which can't be cloned")
 
-def push_clone(var Arr:array<auto(numT)[]>; varr:numT[])
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)[]>; varr:numT[] ==const)
+    static_if typeinfo(can_copy type<numT>)
+        static_if typeinfo(sizeof Arr[0])==typeinfo(sizeof varr)
+            static_if typeinfo(need_lock_check type<numT>)
+                _builtin_verify_locks(Arr)
+            if typeinfo(can_clone_from_const varr)
+                for t in varr
+                    Arr[__builtin_array_push_back(Arr,typeinfo(sizeof Arr[0]))] := t
+            else
+                concept_assert(false,"can't push-clone value, which can't be cloned from const")
+        else
+            concept_assert(false,"can't push_clone array of different size")
+    else
+        concept_assert(false,"can't push value, which can't be cloned")
+
+[unused_argument(Arr, value)]
+def push_clone(var Arr:array<auto(numT)[]>; var varr:numT[])
     static_if typeinfo(can_copy type<numT>)
         static_if typeinfo(sizeof Arr[0])==typeinfo(sizeof varr)
             static_if typeinfo(need_lock_check type<numT>)
diff --git a/src/builtin/builtin.das.inc b/src/builtin/builtin.das.inc
index 59b4a79e5..23b1d2df5 100644
--- a/src/builtin/builtin.das.inc
+++ b/src/builtin/builtin.das.inc
@@ -729,7 +729,86 @@ static unsigned char builtin_das[] = {
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 0x29,0x3e,0x3b,0x20,0x76,0x61,0x72,0x72,
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@@ -837,7 +916,105 @@ static unsigned char builtin_das[] = {
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