From 0f80191205b439ead05f8c07e6e8117a18519571 Mon Sep 17 00:00:00 2001
From: Paweł Dybiec <pdybiec@stud.cs.uni.wroc.pl>
Date: Mon, 10 Dec 2018 01:20:41 +0100
Subject: Strings, declarations and fixed ifs

---
 source/mod_student/translator.ml | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/source/mod_student/translator.ml b/source/mod_student/translator.ml
index c755cdb..163d312 100644
--- a/source/mod_student/translator.ml
+++ b/source/mod_student/translator.ml
@@ -130,6 +130,13 @@ module Make() = struct
 
       | Ast.EXPR_Bool {value; _} ->
          current_bb, E_Int (int32_of_bool value)
+      | Ast.EXPR_String {value;_} ->
+         let reg =allocate_register() in
+         append_instruction current_bb @@ I_NewArray ( reg,E_Int (Int32.of_int @@ (1+String.length value)));
+         String.iteri (fun i c ->
+             append_instruction current_bb @@ I_StoreArray (E_Reg reg, E_Int (Int32.of_int i),  E_Int (Int32.of_int @@ Char.code c))) value;
+         append_instruction current_bb @@ I_StoreArray ( E_Reg reg, E_Int (Int32.of_int (String.length value)), E_Int (Int32.of_int 0) );
+         current_bb, E_Reg reg
 
       | Ast.EXPR_Binop {lhs;rhs;op=Ast.BINOP_Add;tag;_} ->
          let reg= allocate_register() in
@@ -211,9 +218,12 @@ module Make() = struct
 
       | Ast.EXPR_Binop {op=Ast.BINOP_Or;lhs;rhs;_} ->
          let bb = allocate_block() in
+         let success = allocate_block() in
          let current_bb = translate_condition env current_bb bb lhs in
-         let current_bb = translate_condition env bb else_bb in
-         bb
+         let bb = translate_condition env bb else_bb rhs in
+         set_jump bb success;
+         set_jump current_bb success;
+         success
          
          
       (* Zaimplementuj dodatkowe przypadki *)
@@ -254,16 +264,37 @@ module Make() = struct
          let current_bb, reg = translate_expression env current_bb rhs in
          let my_reg = allocate_register() in
          append_instruction current_bb @@ I_Move (my_reg, reg);
-         current_bb, (Environment.add_var id my_reg env)           
+         current_bb, (Environment.add_var id my_reg env)
+      | STMT_VarDecl {var=VarDecl{id;_};init=None;_} ->
+         let my_reg = allocate_register() in
+         current_bb,(Environment.add_var id my_reg env)
+      | STMT_VarDecl {var=VarDecl{id;_};init=Some init} ->
+         let current_bb, reg = translate_expression env current_bb init in
+         let my_reg = allocate_register() in
+         let env = (Environment.add_var id my_reg env) in
+         append_instruction current_bb @@ I_Move (my_reg, reg);
+         current_bb,env
       | STMT_Call call ->
          translate_call env current_bb call []
       | STMT_If {cond;then_branch;else_branch;_} ->
          let end_bb =allocate_block() in
          let else_bb = allocate_block() in
          let current_bb = translate_condition env current_bb else_bb cond in
+        
+         let current_bb,_ = translate_statement env current_bb then_branch in
+         let else_bb,_ =  begin
+           match else_branch with
+           | None -> else_bb,env
+           | Some else_branch -> translate_statement env else_bb else_branch
+           end in
          set_jump current_bb end_bb;
-         set_jump else_bb end_bb;
+         set_jump else_bb end_bb;  
+         
          end_bb,env
+         
+      | STMT_Block block ->
+         let env,bb=translate_block env current_bb block
+                  in bb,env 
       | _ ->
         failwith "not yet implemented"
 
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