From 90a9a404e2373959272858e422fbe1035416cb52 Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveTH@foxmail.com>
Date: Sun, 25 Feb 2024 13:06:41 +0800
Subject: [PATCH] some refactor

---
 include/pocketpy/compiler.h | 1 -
 include/pocketpy/lexer.h    | 1 -
 src/compiler.cpp            | 4 +---
 src/lexer.cpp               | 2 --
 4 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/include/pocketpy/compiler.h b/include/pocketpy/compiler.h
index ea7cf561..0b6d1134 100644
--- a/include/pocketpy/compiler.h
+++ b/include/pocketpy/compiler.h
@@ -25,7 +25,6 @@ class Compiler {
     stack_no_copy<CodeEmitContext> contexts;
     VM* vm;
     bool unknown_global_scope;     // for eval/exec() call
-    bool used;
     // for parsing token stream
     int i = 0;
     std::vector<Token> tokens;
diff --git a/include/pocketpy/lexer.h b/include/pocketpy/lexer.h
index 47611d37..760662ba 100644
--- a/include/pocketpy/lexer.h
+++ b/include/pocketpy/lexer.h
@@ -106,7 +106,6 @@ struct Lexer {
     std::vector<Token> nexts;
     stack_no_copy<int, small_vector_no_copy_and_move<int, 8>> indents;
     int brackets_level = 0;
-    bool used = false;
 
     char peekchar() const{ return *curr_char; }
     bool match_n_chars(int n, char c0);
diff --git a/src/compiler.cpp b/src/compiler.cpp
index c669e355..135a47ca 100644
--- a/src/compiler.cpp
+++ b/src/compiler.cpp
@@ -1196,15 +1196,13 @@ __EAT_DOTS_END:
     Compiler::Compiler(VM* vm, std::string_view source, const Str& filename, CompileMode mode, bool unknown_global_scope)
             :lexer(vm, std::make_shared<SourceData>(source, filename, mode)){
         this->vm = vm;
-        this->used = false;
         this->unknown_global_scope = unknown_global_scope;
         init_pratt_rules();
     }
 
 
     CodeObject_ Compiler::compile(){
-        PK_ASSERT(!used)
-        used = true;
+        PK_ASSERT(i == 0)       // make sure it is the first time to compile
 
         tokens = lexer.run();
         CodeObject_ code = push_global_context();
diff --git a/src/lexer.cpp b/src/lexer.cpp
index 71d56cf6..0a8c0b5f 100644
--- a/src/lexer.cpp
+++ b/src/lexer.cpp
@@ -472,8 +472,6 @@ static bool is_unicode_Lo_char(uint32_t c) {
     }
 
     std::vector<Token> Lexer::run() {
-        PK_ASSERT(!used)
-        used = true;
         while (lex_one_token());
         return std::move(nexts);
     }