diff --git a/src/t6/xsk/assembler.cpp b/src/t6/xsk/assembler.cpp
index 0f623c97..069cb39a 100644
--- a/src/t6/xsk/assembler.cpp
+++ b/src/t6/xsk/assembler.cpp
@@ -185,6 +185,7 @@ void assembler::assemble_function(const function::ptr& func)
 {
     func->index = script_->pos();
     func->size = 0;
+    labels_.clear();
 
     for (const auto& inst : func->instructions)
     {
@@ -197,7 +198,7 @@ void assembler::assemble_function(const function::ptr& func)
 
         const auto& itr = func->labels.find(old_idx);
 
-        if (itr != labels_.end())
+        if (itr != func->labels.end())
         {
             labels_.insert({ inst->index, itr->second });
         }
@@ -235,9 +236,7 @@ void assembler::assemble_instruction(const instruction::ptr& inst)
         case opcode::OP_GetAnim:
         case opcode::OP_GetGameRef:
         case opcode::OP_CreateLocalVariable:
-        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalArray:
-        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_EvalArrayRef:
         case opcode::OP_ClearArray:
         case opcode::OP_EmptyArray:
@@ -364,7 +363,9 @@ void assembler::assemble_instruction(const instruction::ptr& inst)
         case opcode::OP_SafeCreateLocalVariables:
             assemble_localvars(inst);
             break;
+        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalLocalVariableCached:
+        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_SafeSetWaittillVariableFieldCached:
         case opcode::OP_EvalLocalVariableRefCached:
             script_->write<std::uint8_t>(static_cast<std::uint8_t>(inst->opcode));
@@ -523,9 +524,7 @@ void assembler::align_instruction(const instruction::ptr& inst)
         case opcode::OP_GetAnim:
         case opcode::OP_GetGameRef:
         case opcode::OP_CreateLocalVariable:
-        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalArray:
-        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_EvalArrayRef:
         case opcode::OP_ClearArray:
         case opcode::OP_EmptyArray:
@@ -649,7 +648,9 @@ void assembler::align_instruction(const instruction::ptr& inst)
                 }
             }
             break;
+        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalLocalVariableCached:
+        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_SafeSetWaittillVariableFieldCached:
         case opcode::OP_EvalLocalVariableRefCached:
             script_->seek(1);
diff --git a/src/t6/xsk/compiler.cpp b/src/t6/xsk/compiler.cpp
index 97c086de..933ac98f 100644
--- a/src/t6/xsk/compiler.cpp
+++ b/src/t6/xsk/compiler.cpp
@@ -40,23 +40,21 @@ void compiler::compile(const std::string& file, std::vector<std::uint8_t>& data)
 {
     filename_ = file;
 
-    auto prog = parse_buffer(filename_, data);
+    auto prog = parse_buffer(filename_, reinterpret_cast<char*>(data.data()), data.size());
 
     compile_program(prog);
 }
 
-void compiler::read_callback(std::function<std::vector<std::uint8_t>(const std::string&)> func)
+void compiler::mode(build mode)
 {
-    read_callback_ = func;
+    mode_ = mode;
 }
 
-auto compiler::parse_buffer(const std::string& file, std::vector<std::uint8_t>& data) -> ast::program::ptr
+auto compiler::parse_buffer(const std::string& file, char* data, size_t size) -> ast::program::ptr
 {
     ast::program::ptr result(nullptr);
 
-    resolver::set_reader(read_callback_);
-
-    lexer lexer(mode_, file, reinterpret_cast<char*>(data.data()), data.size());
+    lexer lexer(mode_, file, data, size);
 
     parser parser(lexer, result);
 
@@ -70,8 +68,8 @@ auto compiler::parse_buffer(const std::string& file, std::vector<std::uint8_t>&
 
 auto compiler::parse_file(const std::string& file) -> ast::program::ptr
 {
-    auto buffer = read_callback_(file);
-    auto result = parse_buffer(file, buffer);
+    auto data = resolver::file_data(file);
+    auto result = parse_buffer(file, std::get<1>(data), std::get<2>(data));
 
     return result;
 }
@@ -113,7 +111,7 @@ void compiler::emit_include(const ast::include::ptr& include)
     {
         if (entry == path)
         {
-            throw comp_error(include->loc(), "error duplicated include file '" + path + "'.");
+            throw comp_error(include->loc(), "duplicated include file '" + path + "'.");
         }
     }
 
@@ -213,18 +211,20 @@ void compiler::emit_decl_thread(const ast::decl_thread::ptr& thread)
     can_break_ = false;
     can_continue_ = false;
     local_stack_.clear();
-    break_loc_ = "";
-    continue_loc_ = "";
-    abort_ = abort_t::abort_none;
+    blocks_.clear();
 
     process_thread(thread);
 
+    blocks_.push_back(block());
+
     emit_expr_parameters(thread->params);
     emit_stmt_list(thread->stmt);
 
-    if (abort_ == abort_t::abort_none)
+    if (blocks_.back().abort == abort_t::abort_none)
         emit_opcode(opcode::OP_End);
 
+    blocks_.pop_back();
+
     function_->size = index_ - function_->index;
     assembly_->functions.push_back(std::move(function_));
 }
@@ -479,8 +479,13 @@ void compiler::emit_stmt_if(const ast::stmt_if::ptr& stmt)
         emit_opcode(opcode::OP_JumpOnFalse, end_loc);
     }
 
+    auto& paren = blocks_.back();
+    blocks_.push_back(block(paren.loc_break, paren.loc_continue));
+
     emit_stmt(stmt->stmt);
 
+    blocks_.pop_back();
+
     insert_label(end_loc);
 }
 
@@ -500,106 +505,102 @@ void compiler::emit_stmt_ifelse(const ast::stmt_ifelse::ptr& stmt)
         emit_opcode(opcode::OP_JumpOnFalse, else_loc);
     }
 
+    auto& paren = blocks_.back();
+    blocks_.push_back(block(paren.loc_break, paren.loc_continue));
     emit_stmt(stmt->stmt_if);
+    blocks_.pop_back();
 
     emit_opcode(opcode::OP_Jump, end_loc);
 
     insert_label(else_loc);
 
+    auto& root = blocks_.back();
+    blocks_.push_back(block(root.loc_break, root.loc_continue));
     emit_stmt(stmt->stmt_else);
+    blocks_.pop_back();
 
     insert_label(end_loc);
 }
 
 void compiler::emit_stmt_while(const ast::stmt_while::ptr& stmt)
 {
-    auto old_abort = abort_;
-    auto old_break_loc = break_loc_;
-    auto old_continue_loc = continue_loc_;
     auto old_break = can_break_;
     auto old_continue = can_continue_;
 
     can_break_ = true;
     can_continue_ = true;
-    break_loc_ = create_label();
-    continue_loc_ = insert_label();
+    auto break_loc = create_label();
+    auto continue_loc = insert_label();
 
-    auto begin_loc = continue_loc_;
+    auto begin_loc = continue_loc;
 
     if (stmt->test == ast::kind::expr_not)
     {
         emit_expr(stmt->test.as_not->rvalue);
-        emit_opcode(opcode::OP_JumpOnTrue, break_loc_);
+        emit_opcode(opcode::OP_JumpOnTrue, break_loc);
     }
     else
     {
         emit_expr(stmt->test);
-        emit_opcode(opcode::OP_JumpOnFalse, break_loc_);
+        emit_opcode(opcode::OP_JumpOnFalse, break_loc);
     }
 
+    blocks_.push_back(block(break_loc, continue_loc));
     emit_stmt(stmt->stmt);
-    emit_opcode(opcode::OP_Jump, begin_loc);
-    insert_label(break_loc_);
+    blocks_.pop_back();
+
+    emit_opcode(opcode::OP_Jump, continue_loc);
+    insert_label(break_loc);
 
     can_break_ = old_break;
     can_continue_ = old_continue;
-    break_loc_ = old_break_loc;
-    continue_loc_ = old_continue_loc;
-    abort_ = old_abort;
 }
 
 void compiler::emit_stmt_dowhile(const ast::stmt_dowhile::ptr& stmt)
 {
-    auto old_abort = abort_;
-    auto old_break_loc = break_loc_;
-    auto old_continue_loc = continue_loc_;
     auto old_break = can_break_;
     auto old_continue = can_continue_;
 
     can_break_ = true;
     can_continue_ = true;
-    break_loc_ = create_label();
-    continue_loc_ = create_label();
+    auto break_loc = create_label();
+    auto continue_loc = create_label();
 
     auto begin_loc = insert_label();
 
+    blocks_.push_back(block(break_loc, continue_loc));
     emit_stmt(stmt->stmt);
+    blocks_.pop_back();
 
-    insert_label(continue_loc_);
+    insert_label(continue_loc);
 
     if (stmt->test == ast::kind::expr_not)
     {
         emit_expr(stmt->test.as_not->rvalue);
-        emit_opcode(opcode::OP_JumpOnTrue, break_loc_);
+        emit_opcode(opcode::OP_JumpOnTrue, break_loc);
     }
     else
     {
         emit_expr(stmt->test);
-        emit_opcode(opcode::OP_JumpOnFalse, break_loc_);
+        emit_opcode(opcode::OP_JumpOnFalse, break_loc);
     }
 
     emit_opcode(opcode::OP_Jump, begin_loc);
-    insert_label(break_loc_);
+    insert_label(break_loc);
 
     can_break_ = old_break;
     can_continue_ = old_continue;
-    break_loc_ = old_break_loc;
-    continue_loc_ = old_continue_loc;
-    abort_ = old_abort;
 }
 
 void compiler::emit_stmt_for(const ast::stmt_for::ptr& stmt)
 {
-    auto old_abort = abort_;
-    auto old_break_loc = break_loc_;
-    auto old_continue_loc = continue_loc_;
     auto old_break = can_break_;
     auto old_continue = can_continue_;
 
     emit_stmt(stmt->init);
 
-    break_loc_ = create_label();
-    continue_loc_ = create_label();
+    auto break_loc = create_label();
+    auto continue_loc = create_label();
 
     auto begin_loc = insert_label();
 
@@ -608,34 +609,30 @@ void compiler::emit_stmt_for(const ast::stmt_for::ptr& stmt)
     if (!const_cond)
     {
         emit_expr(stmt->test);
-        emit_opcode(opcode::OP_JumpOnFalse, break_loc_);
+        emit_opcode(opcode::OP_JumpOnFalse, break_loc);
     }
 
     can_break_ = true;
     can_continue_ = true;
 
+    blocks_.push_back(block(break_loc, continue_loc));
     emit_stmt(stmt->stmt);
+    blocks_.pop_back();
 
     can_break_ = false;
     can_continue_ = false;
 
-    insert_label(continue_loc_);
+    insert_label(continue_loc);
     emit_stmt(stmt->iter);
     emit_opcode(opcode::OP_Jump, begin_loc);
-    insert_label(break_loc_);
+    insert_label(break_loc);
 
     can_break_ = old_break;
     can_continue_ = old_continue;
-    break_loc_ = old_break_loc;
-    continue_loc_ = old_continue_loc;
-    abort_ = old_abort;
 }
 
 void compiler::emit_stmt_foreach(const ast::stmt_foreach::ptr& stmt)
 {
-    auto old_abort = abort_;
-    auto old_break_loc = break_loc_;
-    auto old_continue_loc = continue_loc_;
     auto old_break = can_break_;
     auto old_continue = can_continue_;
 
@@ -645,14 +642,14 @@ void compiler::emit_stmt_foreach(const ast::stmt_foreach::ptr& stmt)
     emit_opcode(opcode::OP_FirstArrayKey);
     emit_expr_variable_ref(stmt->key_expr, true);
 
-    break_loc_ = create_label();
-    continue_loc_ = create_label();
+    auto break_loc = create_label();
+    auto continue_loc = create_label();
 
     auto begin_loc = insert_label();
 
     emit_expr_variable(stmt->key_expr);
     emit_opcode(opcode::OP_IsDefined);
-    emit_opcode(opcode::OP_JumpOnFalse, break_loc_);
+    emit_opcode(opcode::OP_JumpOnFalse, break_loc);
 
     can_break_ = true;
     can_continue_ = true;
@@ -661,44 +658,44 @@ void compiler::emit_stmt_foreach(const ast::stmt_foreach::ptr& stmt)
     emit_opcode(opcode::OP_EvalLocalVariableCached, variable_access(stmt->array.as_identifier));
     emit_opcode(opcode::OP_EvalArray);
     emit_expr_variable_ref(stmt->value_expr, true);
+
+    blocks_.push_back(block(break_loc, continue_loc));
     emit_stmt(stmt->stmt);
+    blocks_.pop_back();
 
     can_break_ = false;
     can_continue_ = false;
 
-    insert_label(continue_loc_);
+    insert_label(continue_loc);
 
     emit_expr_variable(stmt->key_expr);
     emit_expr_variable(stmt->array);
     emit_opcode(opcode::OP_NextArrayKey);
     emit_expr_variable_ref(stmt->key_expr, true);
     emit_opcode(opcode::OP_Jump, begin_loc);
-    insert_label(break_loc_);
+    insert_label(break_loc);
 
     can_break_ = old_break;
     can_continue_ = old_continue;
-    break_loc_ = old_break_loc;
-    continue_loc_ = old_continue_loc;
-    abort_ = old_abort;
 }
 
 void compiler::emit_stmt_switch(const ast::stmt_switch::ptr& stmt)
 {
-    auto old_abort = abort_;
-    auto old_break_loc = break_loc_;
     auto old_break = can_break_;
 
     can_break_ = false;
 
     auto jmptable_loc = create_label();
 
-    break_loc_ = create_label();
+    auto break_loc = create_label();
 
     emit_expr(stmt->test);
     emit_opcode(opcode::OP_Switch, jmptable_loc);
 
     can_break_ = true;
 
+    blocks_.push_back(block(break_loc, blocks_.back().loc_continue));
+
     std::vector<std::string> data;
     data.push_back(utils::string::va("%d", stmt->stmt->list.size()));
 
@@ -735,7 +732,10 @@ void compiler::emit_stmt_switch(const ast::stmt_switch::ptr& stmt)
                 throw comp_error(stmt->loc(), "case type must be int or string");
             }
 
+            auto& paren = blocks_.back();
+            blocks_.push_back(block(paren.loc_break, paren.loc_continue));
             emit_stmt_list(case_->stmt);
+            blocks_.pop_back();
         }
         else if (entry == ast::kind::stmt_default)
         {
@@ -743,7 +743,11 @@ void compiler::emit_stmt_switch(const ast::stmt_switch::ptr& stmt)
             data.push_back("default");
             data.push_back(loc);
             has_default = true;
+
+            auto& paren = blocks_.back();
+            blocks_.push_back(block(paren.loc_break, paren.loc_continue));
             emit_stmt_list(entry.as_default->stmt);
+            blocks_.pop_back();
         }
         else
         {
@@ -751,13 +755,13 @@ void compiler::emit_stmt_switch(const ast::stmt_switch::ptr& stmt)
         }
     }
 
+    blocks_.pop_back();
+
     insert_label(jmptable_loc);
     emit_opcode(opcode::OP_EndSwitch, data);
-    insert_label(break_loc_);
+    insert_label(break_loc);
 
     can_break_ = old_break;
-    break_loc_ = old_break_loc;
-    abort_ = old_abort;
 }
 
 void compiler::emit_stmt_case(const ast::stmt_case::ptr& stmt)
@@ -772,26 +776,26 @@ void compiler::emit_stmt_default(const ast::stmt_default::ptr& stmt)
 
 void compiler::emit_stmt_break(const ast::stmt_break::ptr& stmt)
 {
-    if (!can_break_ || abort_ != abort_t::abort_none || break_loc_ == "")
+    if (!can_break_ || blocks_.back().abort != abort_t::abort_none || blocks_.back().loc_break == "")
         throw comp_error(stmt->loc(), "illegal break statement");
 
-    abort_ = abort_t::abort_break;
-    emit_opcode(opcode::OP_Jump, break_loc_);
+    blocks_.back().abort = abort_t::abort_break;
+    emit_opcode(opcode::OP_Jump, blocks_.back().loc_break);
 }
 
 void compiler::emit_stmt_continue(const ast::stmt_continue::ptr& stmt)
 {
-    if (!can_continue_ || abort_ != abort_t::abort_none || continue_loc_ == "")
+    if (!can_continue_ || blocks_.back().abort != abort_t::abort_none || blocks_.back().loc_continue == "")
         throw comp_error(stmt->loc(), "illegal continue statement");
 
-    abort_ = abort_t::abort_continue;
-    emit_opcode(opcode::OP_Jump, continue_loc_);
+    blocks_.back().abort = abort_t::abort_continue;
+    emit_opcode(opcode::OP_Jump, blocks_.back().loc_continue);
 }
 
 void compiler::emit_stmt_return(const ast::stmt_return::ptr& stmt)
 {
-    if (abort_ == abort_t::abort_none)
-        abort_ = abort_t::abort_return;
+    if (blocks_.back().abort == abort_t::abort_none)
+        blocks_.back().abort = abort_t::abort_return;
 
     if (stmt->expr != ast::kind::null)
     {
@@ -1222,6 +1226,7 @@ void compiler::emit_expr_call(const ast::expr_call::ptr& expr)
 
 void compiler::emit_expr_call_pointer(const ast::expr_pointer::ptr& expr)
 {
+    emit_opcode(opcode::OP_PreScriptCall);
     emit_expr_arguments(expr->args);
     emit_expr(expr->func);
 
@@ -1296,6 +1301,7 @@ void compiler::emit_expr_method(const ast::expr_method::ptr& expr)
 
 void compiler::emit_expr_method_pointer(const ast::expr_pointer::ptr& expr, const ast::expr& obj)
 {
+    emit_opcode(opcode::OP_PreScriptCall);
     emit_expr_arguments(expr->args);
     emit_expr(obj);
     emit_expr(expr->func);
@@ -1571,14 +1577,11 @@ void compiler::emit_expr_array_ref(const ast::expr_array::ptr& expr, bool set)
             break;
         case ast::kind::expr_array:
         case ast::kind::expr_field:
+        case ast::kind::expr_identifier:
             emit_expr_variable_ref(expr->obj, false);
             emit_opcode(opcode::OP_EvalArrayRef);
             if (set) emit_opcode(opcode::OP_SetVariableField);
             break;
-        case ast::kind::expr_identifier:
-            emit_opcode(opcode::OP_EvalLocalArrayRefCached, variable_access(expr->obj.as_identifier));
-            if (set) emit_opcode(opcode::OP_SetVariableField);
-            break;
         case ast::kind::expr_call:
         case ast::kind::expr_method:
         default:
diff --git a/src/t6/xsk/compiler.hpp b/src/t6/xsk/compiler.hpp
index c159b84f..0ef3c97f 100644
--- a/src/t6/xsk/compiler.hpp
+++ b/src/t6/xsk/compiler.hpp
@@ -12,7 +12,6 @@ enum class opcode : std::uint8_t;
 
 class compiler : public arc::compiler
 {
-    build mode_;
     std::string filename_;
     assembly::ptr assembly_;
     function::ptr function_;
@@ -24,23 +23,20 @@ class compiler : public arc::compiler
     std::vector<include_t> includes_;
     std::vector<animtree_t> animtrees_;
     std::unordered_map<std::string, ast::expr> constants_;
-    std::function<std::vector<std::uint8_t>(const std::string&)> read_callback_;
-    abort_t abort_;
-    std::string break_loc_;
-    std::string continue_loc_;
+    std::vector<block> blocks_;
     bool can_break_;
     bool can_continue_;
     bool developer_thread_;
+    build mode_;
 
 public:
-    compiler(build mode) : mode_(mode) {}
     auto output() -> assembly::ptr;
     auto output_data() -> std::vector<std::uint8_t>;
     void compile(const std::string& file, std::vector<std::uint8_t>& data);
-    void read_callback(std::function<std::vector<std::uint8_t>(const std::string&)> func);
+    void mode(build mode);
 
 private:
-    auto parse_buffer(const std::string& file, std::vector<std::uint8_t>& data) -> ast::program::ptr;
+    auto parse_buffer(const std::string& file, char* data, size_t size) -> ast::program::ptr;
     auto parse_file(const std::string& file) -> ast::program::ptr;
     void compile_program(const ast::program::ptr& program);
     void emit_include(const ast::include::ptr& include);
@@ -163,7 +159,6 @@ private:
 
     auto map_known_includes(const std::string& include) -> bool;
 
-
     utils::byte_buffer::ptr output_;
     void print_function(const function::ptr& func);
     void print_instruction(const instruction::ptr& inst);
diff --git a/src/t6/xsk/context.cpp b/src/t6/xsk/context.cpp
new file mode 100644
index 00000000..ec35fc2c
--- /dev/null
+++ b/src/t6/xsk/context.cpp
@@ -0,0 +1,23 @@
+// Copyright 2022 xensik. All rights reserved.
+//
+// Use of this source code is governed by a GNU GPLv3 license
+// that can be found in the LICENSE file.
+
+#include "stdafx.hpp"
+#include "t6.hpp"
+
+namespace xsk::arc::t6
+{
+
+void context::init(build mode, read_cb_type callback)
+{
+    compiler_.mode(mode);
+    resolver::init(callback);
+}
+
+void context::cleanup()
+{
+    resolver::cleanup();
+}
+
+} // namespace xsk::arc::t6
diff --git a/src/t6/xsk/context.hpp b/src/t6/xsk/context.hpp
new file mode 100644
index 00000000..e951c758
--- /dev/null
+++ b/src/t6/xsk/context.hpp
@@ -0,0 +1,28 @@
+// Copyright 2022 xensik. All rights reserved.
+//
+// Use of this source code is governed by a GNU GPLv3 license
+// that can be found in the LICENSE file.
+
+#pragma once
+
+namespace xsk::arc::t6
+{
+
+class context : public arc::context
+{
+    t6::assembler assembler_;
+    t6::disassembler disassembler_;
+    t6::compiler compiler_;
+    t6::decompiler decompiler_;
+
+public:
+    void init(build mode, read_cb_type callback);
+    void cleanup();
+
+    auto assembler() -> arc::assembler& { return assembler_; }
+    auto disassembler() -> arc::disassembler& { return disassembler_; }
+    auto compiler() -> arc::compiler& { return compiler_; }
+    auto decompiler() -> arc::decompiler& { return decompiler_; }
+};
+
+} // namespace xsk::arc::t6
diff --git a/src/t6/xsk/disassembler.cpp b/src/t6/xsk/disassembler.cpp
index dcf7b259..f2d761f5 100644
--- a/src/t6/xsk/disassembler.cpp
+++ b/src/t6/xsk/disassembler.cpp
@@ -248,6 +248,8 @@ void disassembler::disassemble_function(const function::ptr& func)
     }
 }
 
+
+
 void disassembler::disassemble_instruction(const instruction::ptr& inst)
 {
     switch (opcode(inst->opcode))
@@ -264,9 +266,7 @@ void disassembler::disassemble_instruction(const instruction::ptr& inst)
         case opcode::OP_GetAnim:
         case opcode::OP_GetGameRef:
         case opcode::OP_CreateLocalVariable:
-        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalArray:
-        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_EvalArrayRef:
         case opcode::OP_ClearArray:
         case opcode::OP_EmptyArray:
@@ -351,17 +351,14 @@ void disassembler::disassemble_instruction(const instruction::ptr& inst)
             inst->data.push_back(utils::string::va("%i", script_->read<std::int32_t>()));
             break;
         case opcode::OP_GetFloat:
-        {
             inst->size += script_->align(4);
-            auto val = script_->read<float>();
-            inst->data.push_back(utils::string::va("%g%s", val, val == int(val) ? ".0" : ""));
-        }
+            inst->data.push_back(utils::string::float_string(script_->read<float>()));
             break;
         case opcode::OP_GetVector:
             inst->size += script_->align(4);
-            inst->data.push_back(utils::string::va("%g", script_->read<float>()));
-            inst->data.push_back(utils::string::va("%g", script_->read<float>()));
-            inst->data.push_back(utils::string::va("%g", script_->read<float>()));
+            inst->data.push_back(utils::string::float_string(script_->read<float>()));
+            inst->data.push_back(utils::string::float_string(script_->read<float>()));
+            inst->data.push_back(utils::string::float_string(script_->read<float>()));
             break;
         case opcode::OP_GetString:
         case opcode::OP_GetIString:
@@ -383,7 +380,9 @@ void disassembler::disassemble_instruction(const instruction::ptr& inst)
         case opcode::OP_SafeCreateLocalVariables:
             disassemble_localvars(inst);
             break;
+        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalLocalVariableCached:
+        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_SafeSetWaittillVariableFieldCached:
         case opcode::OP_EvalLocalVariableRefCached:
             inst->data.push_back(utils::string::va("%i", script_->read<std::uint8_t>()));
diff --git a/src/t6/xsk/resolver.cpp b/src/t6/xsk/resolver.cpp
index aa231aa9..f95ee798 100644
--- a/src/t6/xsk/resolver.cpp
+++ b/src/t6/xsk/resolver.cpp
@@ -12,6 +12,18 @@ namespace xsk::arc::t6
 std::unordered_map<std::uint8_t, std::string_view> opcode_map;
 std::unordered_map<std::string_view, std::uint8_t> opcode_map_rev;
 std::unordered_map<std::uint32_t, std::string_view> dvar_map;
+std::unordered_map<std::string, std::vector<std::uint8_t>> files;
+std::function<std::vector<std::uint8_t>(const std::string&)> read_callback = nullptr;
+
+void resolver::init(read_cb_type callback)
+{
+    read_callback = callback;
+}
+
+void resolver::cleanup()
+{
+    files.clear();
+}
 
 auto resolver::opcode_id(const std::string& name) -> std::uint8_t
 {
@@ -22,7 +34,7 @@ auto resolver::opcode_id(const std::string& name) -> std::uint8_t
         return itr->second;
     }
 
-    throw gsc::error(utils::string::va("Couldn't resolve opcode id for name '%s'!", name.data()));
+    throw error(utils::string::va("Couldn't resolve opcode id for name '%s'!", name.data()));
 }
 
 auto resolver::opcode_name(std::uint8_t id) -> std::string
@@ -34,7 +46,7 @@ auto resolver::opcode_name(std::uint8_t id) -> std::string
         return std::string(itr->second);
     }
 
-    throw gsc::error(utils::string::va("Couldn't resolve opcode name for id '0x%hhX'!", id));
+    throw error(utils::string::va("Couldn't resolve opcode name for id '0x%hhX'!", id));
 }
 
 auto resolver::dvar_name(std::uint32_t id) -> std::string
@@ -67,9 +79,6 @@ auto resolver::make_token(std::string_view str) -> std::string
     return data;
 }
 
-std::function<std::vector<std::uint8_t>(const std::string&)> read_callback = nullptr;
-std::unordered_map<std::string, std::vector<std::uint8_t>> files;
-
 auto resolver::file_data(const std::string& name) -> std::tuple<const std::string*, char*, size_t>
 {
     const auto& itr = files.find(name);
@@ -81,7 +90,7 @@ auto resolver::file_data(const std::string& name) -> std::tuple<const std::strin
 
     auto data = read_callback(name);
 
-    const auto& res = files.insert({ name, std::move(data)});
+    const auto& res = files.insert({ name, std::move(data) });
 
     if (res.second)
     {
@@ -91,11 +100,6 @@ auto resolver::file_data(const std::string& name) -> std::tuple<const std::strin
     throw error("couldn't open gsc file '" + name + "'");
 }
 
-void resolver::set_reader(std::function<std::vector<std::uint8_t>(const std::string&)> callback)
-{
-    read_callback = callback;
-}
-
 std::set<std::string> paths
 {
     "aitype",
diff --git a/src/t6/xsk/resolver.hpp b/src/t6/xsk/resolver.hpp
index c08756e1..8cdffd5e 100644
--- a/src/t6/xsk/resolver.hpp
+++ b/src/t6/xsk/resolver.hpp
@@ -11,6 +11,8 @@ namespace xsk::arc::t6
 class resolver
 {
 public:
+    static void init(read_cb_type callback);
+    static void cleanup();
     static auto opcode_id(const std::string& name) -> std::uint8_t;
     static auto opcode_name(std::uint8_t id) -> std::string;
     static auto dvar_name(std::uint32_t id) -> std::string;
diff --git a/src/t6/xsk/t6.cpp b/src/t6/xsk/t6.cpp
index 9ff8d9b5..8b67f166 100644
--- a/src/t6/xsk/t6.cpp
+++ b/src/t6/xsk/t6.cpp
@@ -25,9 +25,7 @@ auto opcode_size(std::uint8_t id) -> std::uint32_t
         case opcode::OP_GetAnim:
         case opcode::OP_GetGameRef:
         case opcode::OP_CreateLocalVariable:
-        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalArray:
-        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_EvalArrayRef:
         case opcode::OP_ClearArray:
         case opcode::OP_EmptyArray:
@@ -102,7 +100,9 @@ auto opcode_size(std::uint8_t id) -> std::uint32_t
         case opcode::OP_GetByte:
         case opcode::OP_GetNegByte:
         case opcode::OP_SafeCreateLocalVariables:
+        case opcode::OP_RemoveLocalVariables:
         case opcode::OP_EvalLocalVariableCached:
+        case opcode::OP_EvalLocalArrayRefCached:
         case opcode::OP_SafeSetWaittillVariableFieldCached:
         case opcode::OP_EvalLocalVariableRefCached:
         case opcode::OP_ScriptFunctionCallPointer:
diff --git a/src/t6/xsk/t6.hpp b/src/t6/xsk/t6.hpp
index 8285861c..c396fa07 100644
--- a/src/t6/xsk/t6.hpp
+++ b/src/t6/xsk/t6.hpp
@@ -9,9 +9,10 @@
 
 #include "assembler.hpp"
 #include "disassembler.hpp"
-#include "decompiler.hpp"
 #include "compiler.hpp"
+#include "decompiler.hpp"
 #include "resolver.hpp"
+#include "context.hpp"
 
 namespace xsk::arc::t6
 {
diff --git a/src/tool/xsk/main.cpp b/src/tool/xsk/main.cpp
index ce40a1a4..6395250b 100644
--- a/src/tool/xsk/main.cpp
+++ b/src/tool/xsk/main.cpp
@@ -452,25 +452,22 @@ void init()
 namespace arc
 {
 
-std::map<game, assembler::ptr> assemblers;
-std::map<game, disassembler::ptr> disassemblers;
-std::map<game, compiler::ptr> compilers;
-std::map<game, decompiler::ptr> decompilers;
+std::map<game, context::ptr> contexts;
 std::map<mode, std::function<void(game game, const std::filesystem::path& file)>> funcs;
 
 void assemble_file(game game, const std::filesystem::path& file)
 {
     try
     {
-        const auto& assembler = assemblers[game];
+        auto& assembler = contexts[game]->assembler();
 
         auto data = utils::file::read(file.string());
         auto path = t6::resolver::fs_to_game_path(file);
         auto next = path.extension() == ".gscasm" ? path.replace_extension(".gsc") : path.replace_extension(".csc");
 
-        assembler->assemble(next.string(), data);
+        assembler.assemble(next.string(), data);
 
-        utils::file::save((std::filesystem::path("assembled/t6") / next).string(), assembler->output());
+        utils::file::save((std::filesystem::path("assembled/t6") / next).string(), assembler.output());
         std::cout << "assembled " << path.replace_extension() << "\n";
     }
     catch (const std::exception& e)
@@ -483,15 +480,15 @@ void disassemble_file(game game, const std::filesystem::path& file)
 {
     try
     {
-        const auto& disassembler = disassemblers[game];
+        auto& disassembler = contexts[game]->disassembler();
 
         auto data = utils::file::read(file.string());
         auto path = t6::resolver::fs_to_game_path(file);
         auto next = path.extension() == ".gsc" ? path.replace_extension(".gscasm") : path.replace_extension(".cscasm");
 
-        disassembler->disassemble(file.string(), data);
+        disassembler.disassemble(file.string(), data);
 
-        utils::file::save((std::filesystem::path("disassembled/t6") / next).string(), disassembler->output_data());
+        utils::file::save((std::filesystem::path("disassembled/t6") / next).string(), disassembler.output_data());
         std::cout << "disassembled " << path.replace_extension() << "\n";
     }
     catch (const std::exception& e)
@@ -504,20 +501,19 @@ void compile_file(game game, const std::filesystem::path& file)
 {
     try
     {
-        const auto& assembler = assemblers[game];
-        const auto& compiler = compilers[game];
+        auto& assembler = contexts[game]->assembler();
+        auto& compiler = contexts[game]->compiler();
 
         auto data = utils::file::read(file.string());
         auto path = t6::resolver::fs_to_game_path(file);
 
-        compiler->read_callback(utils::file::read);
-        compiler->compile(file.string(), data);
+        compiler.compile(file.string(), data);
 
-        auto assembly = compiler->output();
+        auto assembly = compiler.output();
 
-        assembler->assemble(path.string(), assembly);
+        assembler.assemble(path.string(), assembly);
 
-        utils::file::save((std::filesystem::path("compiled/t6") / path).string(), assembler->output());
+        utils::file::save((std::filesystem::path("compiled/t6") / path).string(), assembler.output());
         std::cout << "compiled " << path.replace_extension() << "\n";
     }
     catch (const std::exception& e)
@@ -530,19 +526,19 @@ void decompile_file(game game, const std::filesystem::path& file)
 {
     try
     {
-        const auto& disassembler = disassemblers[game];
-        const auto& decompiler = decompilers[game];
+        auto& disassembler = contexts[game]->disassembler();
+        auto& decompiler = contexts[game]->decompiler();
 
         auto data = utils::file::read(file.string());
         auto path = t6::resolver::fs_to_game_path(file);
 
-        disassembler->disassemble(file.string(), data);
+        disassembler.disassemble(file.string(), data);
 
-        auto output = disassembler->output();
+        auto output = disassembler.output();
 
-        decompiler->decompile(file.string(), output);
+        decompiler.decompile(file.string(), output);
 
-        utils::file::save((std::filesystem::path("decompiled/t6") / path).string(), decompiler->output());
+        utils::file::save((std::filesystem::path("decompiled/t6") / path).string(), decompiler.output());
         std::cout << "decompiled " << path.replace_extension() << "\n";
     }
     catch (const std::exception& e)
@@ -553,10 +549,9 @@ void decompile_file(game game, const std::filesystem::path& file)
 
 void init()
 {
-    assemblers[game::T6] = std::make_unique<t6::assembler>();
-    disassemblers[game::T6] = std::make_unique<t6::disassembler>();
-    compilers[game::T6] = std::make_unique<t6::compiler>(build::prod);
-    decompilers[game::T6] = std::make_unique<t6::decompiler>();
+    contexts[game::T6] = std::make_unique<t6::context>();
+    contexts[game::T6]->init(build::prod, utils::file::read);
+
     funcs[mode::ASM] = assemble_file;
     funcs[mode::DISASM] = disassemble_file;
     funcs[mode::COMP] = compile_file;
diff --git a/src/utils/xsk/arc/block.hpp b/src/utils/xsk/arc/block.hpp
index 6127554e..7c042d2d 100644
--- a/src/utils/xsk/arc/block.hpp
+++ b/src/utils/xsk/arc/block.hpp
@@ -19,6 +19,8 @@ struct block
     bool is_dev;
 
     block() : is_dev(false), abort(abort_t::abort_none) {}
+    block(const std::string& lbreak, const std::string& lcont)
+        : is_dev(false), abort(abort_t::abort_none), loc_break(lbreak), loc_continue(lcont) {}
 };
 
 } // namespace xsk::arc
diff --git a/src/utils/xsk/arc/interfaces/compiler.hpp b/src/utils/xsk/arc/interfaces/compiler.hpp
index 29f90ade..95ae6975 100644
--- a/src/utils/xsk/arc/interfaces/compiler.hpp
+++ b/src/utils/xsk/arc/interfaces/compiler.hpp
@@ -17,7 +17,6 @@ public:
     virtual auto output() -> assembly::ptr = 0;
     virtual auto output_data() -> std::vector<std::uint8_t> = 0;
     virtual void compile(const std::string& file, std::vector<std::uint8_t>& data) = 0;
-    virtual void read_callback(std::function<std::vector<std::uint8_t>(const std::string&)> func) = 0;
 };
 
 } // namespace xsk::arc
diff --git a/src/utils/xsk/arc/interfaces/context.hpp b/src/utils/xsk/arc/interfaces/context.hpp
new file mode 100644
index 00000000..4abb3ea5
--- /dev/null
+++ b/src/utils/xsk/arc/interfaces/context.hpp
@@ -0,0 +1,26 @@
+// Copyright 2022 xensik. All rights reserved.
+//
+// Use of this source code is governed by a GNU GPLv3 license
+// that can be found in the LICENSE file.
+
+#pragma once
+
+namespace xsk::arc
+{
+
+class context
+{
+public:
+    using ptr = std::unique_ptr<context>;
+
+    virtual ~context() = default;
+    virtual void init(build mode, read_cb_type callback) = 0;
+    virtual void cleanup() = 0;
+
+    virtual auto assembler() -> assembler& = 0;
+    virtual auto disassembler() -> disassembler& = 0;
+    virtual auto compiler() -> compiler& = 0;
+    virtual auto decompiler() -> decompiler& = 0;
+};
+
+} // namespace xsk::arc
diff --git a/src/utils/xsk/arc/types.hpp b/src/utils/xsk/arc/types.hpp
index d9b736d1..53e19fac 100644
--- a/src/utils/xsk/arc/types.hpp
+++ b/src/utils/xsk/arc/types.hpp
@@ -8,10 +8,12 @@
 namespace xsk::arc
 {
 
+using read_cb_type = std::function<std::vector<std::uint8_t>(const std::string&)>;
+
 enum class build
 {
-    dev,
     prod,
+    dev,
 };
 
 enum class abort_t
diff --git a/src/utils/xsk/utils.hpp b/src/utils/xsk/utils.hpp
index 17edd946..2aa2b284 100644
--- a/src/utils/xsk/utils.hpp
+++ b/src/utils/xsk/utils.hpp
@@ -37,3 +37,4 @@
 #include "arc/interfaces/disassembler.hpp"
 #include "arc/interfaces/compiler.hpp"
 #include "arc/interfaces/decompiler.hpp"
+#include "arc/interfaces/context.hpp"
diff --git a/src/utils/xsk/utils/string.cpp b/src/utils/xsk/utils/string.cpp
index e64a40f2..e909a5cb 100644
--- a/src/utils/xsk/utils/string.cpp
+++ b/src/utils/xsk/utils/string.cpp
@@ -227,4 +227,86 @@ auto string::parse_code(std::string& line) -> std::vector<std::string>
     return data;
 }
 
+auto string::float_string(float value) -> std::string
+{
+    enum flags_t : std::uint8_t { none = 0, negative = 1, integer = 2, has_exp = 4, exp_neg = 8 };
+
+    auto str = utils::string::va("%g", value);
+
+    auto flags = integer | (str[0] == '-' ? negative : none);
+
+    for (auto i = 1; i < str.size(); i++)
+    {
+        if (str[i] == '-') flags |= exp_neg;
+        else if (str[i] == 'e') flags |= has_exp;
+        else if ( str[i] == '.') flags &= ~integer;
+    }
+
+    if (!(flags & has_exp))
+        return str += (flags & integer) ? ".0" : "";
+
+    std::string p_int;
+    std::string p_dec;
+    std::string p_exp;
+
+    if(flags & integer)
+    {
+        auto i = (flags & negative) ? 1 : 0;
+
+        while (str[i] != 'e')
+            p_int.push_back(str[i++]);
+
+        i += 2;
+
+        while (i < str.size())
+            p_exp.push_back(str[i++]);
+
+        auto offset = std::stoi(p_exp);
+
+        if ((flags & exp_neg))
+            offset -= p_int.size();
+
+        while (offset--)
+        {
+            if((flags & exp_neg))
+                p_int.insert(p_int.begin(), '0');
+            else
+                p_int.push_back('0');
+        }
+
+        return ((flags & negative) ? "-" : "") + ((flags & exp_neg) ? "0." + p_int : p_int + ".0");
+    }
+    else
+    {
+        auto i = (flags & negative) ? 1 : 0;
+
+        while (str[i] != '.')
+            p_int.push_back(str[i++]);
+
+        i++;
+
+        while (str[i] != 'e')
+            p_dec.push_back(str[i++]);
+
+        i += 2;
+
+        while (i < str.size())
+            p_exp.push_back(str[i++]);
+
+        auto offset = std::stoi(p_exp);
+
+        offset -= (flags & exp_neg) ? p_int.size() : p_dec.size();
+
+        while (offset--)
+        {
+            if(flags & exp_neg)
+                p_int.insert(p_int.begin(), '0');
+            else
+                p_dec.push_back('0');
+        }
+
+        return ((flags & negative) ? "-" : "") + ((flags & exp_neg) ? "0." + p_int + p_dec : p_int + p_dec + ".0");
+    }
+}
+
 } // namespace xsk::utils
diff --git a/src/utils/xsk/utils/string.hpp b/src/utils/xsk/utils/string.hpp
index 160e6198..8ef6cedc 100644
--- a/src/utils/xsk/utils/string.hpp
+++ b/src/utils/xsk/utils/string.hpp
@@ -37,6 +37,7 @@ public:
     static auto split(std::string& str, char delimiter) -> std::vector<std::string>;
     static auto clean_buffer_lines(std::vector<std::uint8_t>& buffer) -> std::vector<std::string>;
     static auto parse_code(std::string& line) -> std::vector<std::string>;
+    static auto float_string(float value) -> std::string;
 };
 
 } // namespace xsk::utils