extractng Nodes from son.rs

Signed-off-by: Jakub Doka <jakub.doka2@gmail.com>

lang/src/backend/hbvm.rs

@@ -2,8 +2,8 @@ use {
     super::{AssemblySpec, Backend},
     crate::{
         lexer::TokenKind,
+        nodes::{Kind, Nid, Nodes, MEM},
         parser,
-        son::{Kind, Nid, Nodes, MEM},
         ty::{self, Loc, Module, Offset, Size, Types},
         utils::{EntSlice, EntVec},
     },

lang/src/backend/hbvm/regalloc.rs

@@ -5,8 +5,8 @@ use {
             HbvmBackend, Nid, Nodes, PLoc, Reloc, TypedReloc,
         },
         lexer::TokenKind,
+        nodes::{Kind, ARG_START, MEM, VOID},
         parser, quad_sort,
-        son::{Kind, ARG_START, MEM, VOID},
         ty::{self, Arg, Loc, Module, Offset, Sig, Types},
         utils::{BitSet, EntSlice},
     },

lang/src/lib.rs

@@ -60,6 +60,7 @@ pub mod fmt;
 pub mod fs;
 pub mod fuzz;
 pub mod lexer;
+pub mod nodes;
 pub mod parser;
 pub mod son;
 pub mod ty;
@@ -67,8 +68,8 @@ pub mod ty;
 pub mod backend {
     use {
         crate::{
+            nodes::Nodes,
             parser,
-            son::Nodes,
             ty::{self, Module, Types},
             utils::EntSlice,
         },

lang/tests/son_tests_storing_into_nullable_struct.txt

@@ -50,21 +50,43 @@ optional:
     ADDI64 r254, r254, 16d
     JALA r0, r31, 0a
 optionala:
-    ADDI64 r254, r254, -48d
-    CP r17, r1
-    ADDI64 r14, r254, 8d
-    ADDI64 r15, r254, 16d
-    ST r14, r254, 16a, 8h
-    LI64 r16, 1d
-    ST r16, r254, 24a, 8h
-    ADDI64 r13, r254, 0d
-    ST r13, r254, 32a, 8h
+    ADDI64 r254, r254, -128d
+    ST r31, r254, 64a, 64h
+    CP r38, r1
+    ADDI64 r33, r254, 48d
+    JAL r31, r0, :some_index
+    ST r1, r33, 0a, 16h
+    LD r34, r254, 48a, 1h
+    ANDI r34, r34, 255d
+    JNE r34, r0, :0
+    UN 
+ 0: ADDI64 r34, r254, 8d
+    ADDI64 r35, r254, 16d
+    LRA r36, r0, :heap
+    LD r33, r254, 56a, 8h
+    ST r34, r254, 16a, 8h
+    LI64 r37, 1d
+    ADD64 r33, r33, r36
+    ST r37, r254, 24a, 8h
+    LD r33, r33, 0a, 1h
+    ADDI64 r32, r254, 0d
+    ST r32, r254, 32a, 8h
+    ANDI r33, r33, 255d
     ST r0, r254, 0a, 8h
     ST r0, r254, 8a, 8h
-    ST r0, r254, 40a, 8h
-    BMC r15, r17, 32h
-    ADDI64 r254, r254, 48d
+    ST r33, r254, 40a, 8h
+    BMC r35, r38, 32h
+    LD r31, r254, 64a, 64h
+    ADDI64 r254, r254, 128d
     JALA r0, r31, 0a
-code size: 556
+some_index:
+    ADDI64 r254, r254, -16d
+    LI8 r13, 1b
+    ST r13, r254, 0a, 1h
+    ST r0, r254, 8a, 8h
+    LD r1, r254, 0a, 16h
+    ADDI64 r254, r254, 16d
+    JALA r0, r31, 0a
+code size: 769
 ret: 100
 status: Ok(())