Merge branch 'master' of github.com:FacialTurd/PowderToypp

1 files changed, 79 insertions, 0 deletions

diff --git a/src/pim/Parser.h b/src/pim/Parser.h
new file mode 100644
index 0000000..9a4f736
--- /dev/null
+++ b/src/pim/Parser.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include <string>
+#include <cstring>
+#include <sstream>
+#include "Scanner.h"
+#include "Generator.h"
+#include "Token.h"
+namespace pim
+{
+	namespace compiler
+	{
+		class ParserExpectException: public std::exception
+		{
+			char * error;
+		public:
+			ParserExpectException(Token token, int expectingSymbol) {
+				error = strdup(std::string("Expecting " + Token::SymbolNames[expectingSymbol] + " got " + token.Source).c_str());
+			}
+			ParserExpectException(Token token, std::string expectingString) {
+				error = strdup(std::string("Expecting " + expectingString + " got " + token.Source).c_str());
+			}
+			const char * what() const throw()
+			{
+				return error;
+			}
+			~ParserExpectException() throw() {};
+		};
+		class Parser
+		{
+			std::stringstream & source;
+			Generator * generator;
+			Scanner * scanner;
+			Token token;
+			Token lastToken;
+			std::string breakLabel;
+			std::string continueLabel;
+			std::stack<Token> previousTokens;
+
+			void program();
+			void functionList();
+			void function();
+			void functionCall();
+			void block();
+			void argumentList();
+			void argument();
+			void declarationList();
+			void declaration();
+			void identifierList();
+			void statementList();
+			void statement();
+			void neighbourStatement();
+			void ifStatement();
+			void condition(std::string jumpLabel);
+			void assigmentStatement();
+			void particleAction();
+			void killStatement();
+			void getStatement();
+			void createStatement();
+			void transformStatement();
+			void expressionList();
+
+			void expression();
+			void term();
+			void factor();
+			void variableValue();
+
+			Token forward();
+			bool accept(int symbol);
+			bool look(int symbol);
+			void back();
+			void expect(int symbol);
+		public:
+			Parser(std::stringstream & source_);
+
+			std::vector<unsigned char> Compile();
+		};
+	}
+}
\ No newline at end of file