File Metadata

Created: Wed, Jul 8, 8:00 AM

ast.h
View Options

	#ifndef AST_H
	#define AST_H

	#include <vector>
	#include <stdlib.h>
	#include <string>
	#include "llvmlayer.h"

	struct Identifier_t {};
	struct Number_t {};
	struct Type_t {};

	template<typename A>
	class Atom{

	};

	template<> class Atom<Identifier_t>
	{
	public:
	Atom(const std::wstring& value)
	{
	char buffer[1000];
	wcstombs(buffer, value.c_str(), 1000);

	__value = buffer;
	}

	const std::string& get() const{return __value; }
	private:
	std::string __value;
	};

	template<> class Atom<Number_t>
	{
	public:
	Atom(wchar_t* value)
	{
	__value = wcstol(value, 0, 10);
	}
	int get()const {return __value; }
	private:
	double __value;
	};

	enum TimePrimitive {Bool, Int, Float, Num, String};

	template<> class Atom<Type_t>
	{
	public:
	Atom(wchar_t* value)
	{
	char buffer_[1000];
	wcstombs(buffer_, value, 1000);
	std::string buffer(buffer_);

	if (buffer=="bool"){
	__value = Bool;
	} else if (buffer=="int") {
	__value = Int;
	} else if (buffer=="float") {
	__value = Float;
	} else if (buffer=="num") {
	__value = Num;
	} else if (buffer=="string") {
	__value = String;
	}
	}

	Atom ()
	{
	}

	TimePrimitive get() const
	{
	return __value;
	}

	private:
	TimePrimitive __value;
	};

	typedef Atom<Type_t> TypeAtom;


	enum class TypeOperator{LIST};
	class TypeAnnotation
	{
	public:
	TypeAnnotation (const Atom<Type_t>& typ);
	TypeAnnotation (const TypeOperator& op, const TypeAnnotation& typ);

	TypeAnnotation();

	llvm::Type* toLLVMType();

	private:
	TimePrimitive __value;
	};


	enum class Operator
	{
	ADD, SUB, MUL, DIV, EQU, LSS, GTR, NEG, LIST, CALL, NONE
	};


	class Function;
	class AST;

	typedef unsigned int vid;

	class Expression
	{
	public:
	Expression(const Operator& op, const Expression& arg);
	Expression(const Atom<Identifier_t>& ident);
	Expression(const Atom<Number_t>& number);
	Expression();

	void addArg(const Expression& arg);
	llvm::Value* compile(LLVMLayer& l, Function* f, std::string* retVarHint=0);

	private:
	Operator __op;
	std::vector<Expression> operands;

	std::string __valueS;
	double __valueD;

	enum {INVALID, COMPOUND, IDENT, NUMBER, STRING} state;
	};



	typedef std::pair<vid, TypeAnnotation> VariableDefinition;
	typedef std::pair<vid, Expression> VariableDeclaration;
	class Function
	{
	friend class Expression;
	public:
	Function(const std::wstring& name);
	void setReturnType(const TypeAnnotation& rtyp);
	void addArg(const std::wstring& vname, const TypeAnnotation& typ);
	void setBody(const Expression& body);

	void addDeclaration(const std::wstring& vname, const TypeAnnotation& typ, const Expression& e);
	void addListDeclaration(const std::wstring& vname, const TypeAnnotation& typ, const Expression& e);

	const std::string& getName() const;
	llvm::Function* compile(LLVMLayer& l);

	private:
	AST* root;
	std::string __name;
	TypeAnnotation __retType;
	std::vector<std::string> __args;
	std::map<VariableDefinition::first_type, VariableDefinition::second_type> __definitions;
	std::map<VariableDeclaration::first_type, VariableDeclaration::second_type> __declarations;
	std::map<std::string, vid> __vartable;
	Expression __body;

	llvm::Function* __raw;
	std::map<vid,llvm::Value*> __rawVars;

	vid __vCounter;

	vid registerVar(const std::string& vname);
	};

	class AST
	{
	friend class Expression;
	public:
	AST();
	void add(const Function& f);

	void compile(LLVMLayer& l);
	void run(LLVMLayer& l);

	std::string getModuleName();
	private:
	std::vector<Function> __functions;

	std::map<std::string, llvm::Function*> __rawFunctions;
	};


	#endif // AST_H

ast.h
No OneTemporary
Actions

File Metadata

ast.h
View Options

Event Timeline

ast.hNo OneTemporaryActions

File Metadata

ast.hView Options

Event Timeline

ast.h
No OneTemporary
Actions

ast.h
View Options