DMS/DMS/LineParser.h

100 lines
3.6 KiB
C++

#pragma once
#include <vector>
#include <fstream>
#include <string>
#include <iostream>
#include <iterator>
#include <stdio.h>
#include <ctype.h>
#include "codes.h"
#include "cmd.h"
#include "dms_state.h"
#include "chunk.h"
#include "token.h"
#include "utils.h"
#include "Scope.h"
#include <stack>
namespace dms {
struct tokenstream {
std::vector<tokens::token> tokens;
size_t pos = 0;
void init(std::vector<tokens::token>* ptr);
tokens::token next();
void prev();
std::vector<tokens::token> next(tokens::tokentype to,tokens::tokentype tc);
tokens::token peek();
tokens::token last();
std::vector<tokens::token> next(tokens::tokentype tk);
bool match(tokens::tokentype t1 = tokens::none, tokens::tokentype t2 = tokens::none, tokens::tokentype t3 = tokens::none, tokens::tokentype t4 = tokens::none, tokens::tokentype t5 = tokens::none, tokens::tokentype t6 = tokens::none, tokens::tokentype t7 = tokens::none, tokens::tokentype t8 = tokens::none, tokens::tokentype t9 = tokens::none, tokens::tokentype t10 = tokens::none, tokens::tokentype t11 = tokens::none, tokens::tokentype t12 = tokens::none);
bool match(tokens::tokentype* t1 = nullptr, tokens::tokentype* t2 = nullptr, tokens::tokentype* t3 = nullptr, tokens::tokentype* t4 = nullptr, tokens::tokentype* t5 = nullptr, tokens::tokentype* t6 = nullptr, tokens::tokentype* t7 = nullptr, tokens::tokentype* t8 = nullptr, tokens::tokentype* t9 = nullptr, tokens::tokentype* t10 = nullptr, tokens::tokentype* t11 = nullptr, tokens::tokentype* t12 = nullptr);
bool hasScope(size_t tabs);
bool restore(size_t p) {
pos = p;
return false; // This is a convience for something I will be doing so much
}
};
struct passer {
std::string stream;
uint8_t next();
void next(uint8_t c);
uint8_t prev();
uint8_t peek();
std::string processBuffer(std::vector<uint8_t> buf);
private:
size_t pos = 0;
};
class LineParser
{
std::string fn;
chunk* current_chunk = nullptr;
std::string chunk_name;
blocktype chunk_type = bt_block;
std::stack<scope> scopes;
size_t line = 1;
std::vector<tokens::token> temp;
std::vector<tokens::token> tdump;
size_t tabs = 0;
tokenstream* _stream;
dms_state* state;
void doCheck(passer* stream, std::vector<tokens::token>* t_vec, size_t line, bool& isNum, bool& hasDec, std::vector<uint8_t>* buffer);
void _Parse(tokenstream stream);
// Match Process Code
bool match_process_debug(tokenstream* stream);
bool match_process_disp(tokenstream* stream);
bool match_process_choice(tokenstream* stream);
bool match_process_function(tokenstream* stream, value* v=nullptr, bool nested = true);
bool match_process_goto(tokenstream* stream);
bool match_process_jump(tokenstream* stream);
bool match_process_exit(tokenstream* stream);
bool match_process_expression(tokenstream* stream, value* v);
bool match_process_IFFF(tokenstream* stream);
// Build
void buildGoto(std::string g, bool v = false);
void buildNoop();
void buildLabel(std::string l);
void buildSpeed(double s);
void buildWait(double w);
// Utils
void badSymbol(errors::errortype err, tokenstream* stream);
void badSymbol(tokenstream* stream);
void badSymbol();
void tokenDump(std::vector<tokens::token>* v);
bool createBlock(std::string bk_name, blocktype bk_type);
bool isBlock();
bool isBlock(blocktype bk_type);
void tolower(std::string &str);
void tokenizer(dms_state* state, std::vector<tokens::token> &tok);
public:
//Refer to streams.cpp for the match_process_CMD code.
dms_state* Parse();
dms_state* Parse(std::string l);
dms_state* Parse(dms_state* state, std::string l);
LineParser(std::string fn);
LineParser();
};
}