Removed the constant definition and started using let statement

- Removed extra describe
-  Changed to use described_class instead

spec/lrama/grammar/symbol_spec.rb

@@ -1,57 +1,55 @@
-RSpec.describe Lrama::Grammar do
-  describe Lrama::Grammar::Symbol do
-    Token = Lrama::Lexer::Token
-
-    describe "#enum_name" do
-      describe "symbol is accept_symbol" do
-        it "returns 'YYSYMBOL_YYACCEPT'" do
-          sym = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "$accept"))
-          sym.accept_symbol = true
-
-          expect(sym.enum_name).to eq("YYSYMBOL_YYACCEPT")
-        end
+RSpec.describe Lrama::Grammar::Symbol do
+  let(:token_class) { Lrama::Lexer::Token }
+
+  describe "#enum_name" do
+    describe "symbol is accept_symbol" do
+      it "returns 'YYSYMBOL_YYACCEPT'" do
+        sym = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "$accept"))
+        sym.accept_symbol = true
+
+        expect(sym.enum_name).to eq("YYSYMBOL_YYACCEPT")
       end
+    end
 
-      describe "symbol is eof_symbol" do
-        it "returns 'YYSYMBOL_YYEOF'" do
-          sym = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "YYEOF"), alias_name: "\"end of file\"", token_id: 0)
-          sym.number = 0
-          sym.eof_symbol = true
+    describe "symbol is eof_symbol" do
+      it "returns 'YYSYMBOL_YYEOF'" do
+        sym = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "YYEOF"), alias_name: "\"end of file\"", token_id: 0)
+        sym.number = 0
+        sym.eof_symbol = true
 
-          expect(sym.enum_name).to eq("YYSYMBOL_YYEOF")
-        end
+        expect(sym.enum_name).to eq("YYSYMBOL_YYEOF")
       end
+    end
 
-      describe "symbol's token_id is less than 128" do
-        it "returns 'YYSYMBOL_number_[alias_name_]'" do
-          sym1 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Char, s_value: "'\\\\'"), alias_name: "\"backslash\"", token_id: 92, number: 70, term: true)
-          sym2 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Char, s_value: "'.'"), alias_name: nil, token_id: 46, number: 69, term: true)
-          sym3 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Char, s_value: "'\\n'"), alias_name: nil, token_id: 10, number: 162, term: true)
+    describe "symbol's token_id is less than 128" do
+      it "returns 'YYSYMBOL_number_[alias_name_]'" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'\\\\'"), alias_name: "\"backslash\"", token_id: 92, number: 70, term: true)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'.'"), alias_name: nil, token_id: 46, number: 69, term: true)
+        sym3 = described_class.new(id: token_class.new(type: token_class::Char, s_value: "'\\n'"), alias_name: nil, token_id: 10, number: 162, term: true)
 
-          expect(sym1.enum_name).to eq("YYSYMBOL_70_backslash_")
-          expect(sym2.enum_name).to eq("YYSYMBOL_69_")
-          expect(sym3.enum_name).to eq("YYSYMBOL_162_n_")
-        end
+        expect(sym1.enum_name).to eq("YYSYMBOL_70_backslash_")
+        expect(sym2.enum_name).to eq("YYSYMBOL_69_")
+        expect(sym3.enum_name).to eq("YYSYMBOL_162_n_")
       end
+    end
 
-      describe "symbol includes $ or @" do
-        it "returns 'YYSYMBOL_number_ref" do
-          sym1 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "$@1"), token_id: -1, number: 165, term: false)
-          sym2 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "@2"), token_id: -1, number: 166, term: false)
+    describe "symbol includes $ or @" do
+      it "returns 'YYSYMBOL_number_ref" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "$@1"), token_id: -1, number: 165, term: false)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "@2"), token_id: -1, number: 166, term: false)
 
-          expect(sym1.enum_name).to eq("YYSYMBOL_165_1")
-          expect(sym2.enum_name).to eq("YYSYMBOL_166_2")
-        end
+        expect(sym1.enum_name).to eq("YYSYMBOL_165_1")
+        expect(sym2.enum_name).to eq("YYSYMBOL_166_2")
       end
+    end
 
-      describe "symbol's token_id is greater than 127" do
-        it "returns 'YYSYMBOL_number_ref" do
-          sym1 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "keyword_class"), alias_name: "\"`class'\"", token_id: 258, number: 3, term: true)
-          sym2 = Lrama::Grammar::Symbol.new(id: Token.new(type: Token::Ident, s_value: "top_compstmt"), token_id: 166, number: -1, term: false)
+    describe "symbol's token_id is greater than 127" do
+      it "returns 'YYSYMBOL_number_ref" do
+        sym1 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "keyword_class"), alias_name: "\"`class'\"", token_id: 258, number: 3, term: true)
+        sym2 = described_class.new(id: token_class.new(type: token_class::Ident, s_value: "top_compstmt"), token_id: 166, number: -1, term: false)
 
-          expect(sym1.enum_name).to eq("YYSYMBOL_keyword_class")
-          expect(sym2.enum_name).to eq("YYSYMBOL_top_compstmt")
-        end
+        expect(sym1.enum_name).to eq("YYSYMBOL_keyword_class")
+        expect(sym2.enum_name).to eq("YYSYMBOL_top_compstmt")
       end
     end
   end