From 08997620fd617b580c1adbcb03c90cf621aa7069 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sun, 19 Jan 2020 20:18:11 +0100
Subject: Prepared compiler

---
 minicc.cpp | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/minicc.cpp b/minicc.cpp
index f548181..0562491 100644
--- a/minicc.cpp
+++ b/minicc.cpp
@@ -395,16 +395,29 @@ public:
 
 };
 
-ProgramNode Compile(std::vector<Token> Tokens, std::string Top, BNF bnf, Terminals terminals)
+class Compiler
 {
- std::map<std::string, std::set<std::string>> ReverseBNF{ Reverse(bnf)};
 
- if (Tokens.size()){
- } else
-  throw std::runtime_error("No tokens!");
+private:
+ const BNF &bnf;
+ const std::string& Top;
 
- return {};
-}
+ std::map<std::string, std::set<std::string>> ReverseBNF;
+
+public:
+ Compiler(const BNF& bnf, const std::string& Top): bnf(bnf), Top(Top), ReverseBNF{Reverse(bnf)}
+ {
+ }
+
+ ProgramNode compile(std::vector<Token> Tokens)
+ {
+  if (Tokens.size()){
+  } else
+   throw std::runtime_error("No tokens!");
+
+  return {};
+ }
+};
 
 class Test: public ::testing::Test {
 protected:
@@ -443,7 +456,8 @@ TEST_F(Test, BNF) {
   {"assignment", {{"identifier", "=", "identifier"}}}
  };
 
- std::set<std::string> Terminals{"identifier", "=", ";"};
+ // implicit?
+ //std::set<std::string> Terminals{"identifier", "=", ";"};
 
  std::string Code{"a = bc ; c = 123 ; esd = Ff ; 1 = XYZ"};
  std::vector<Token> tokens_reference{
@@ -473,7 +487,10 @@ TEST_F(Test, BNF) {
   std::cout << i.value << std::endl;
  }
 #endif
- auto Program = Compile(tokens, Top, bnf, Terminals);
+ Compiler compiler(bnf, Top);
+ auto Program = compiler.compile(tokens);
+
+ //ASSERT_EQ(Program, Program_reference);
 }
 
 int main(int argc, char* argv[]) {
-- 
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