From f8c6b4fe4bae71a71f1f5dd59c4d6837d3cb8674 Mon Sep 17 00:00:00 2001
From: Valk Richard Li <48872266+ValKmjolnir@users.noreply.github.com>
Date: Wed, 10 Jun 2020 14:17:12 +0800
Subject: [PATCH] Delete nasal_LR_demo.cpp

---
 version0.9/nasal_LR_demo.cpp | 548 -----------------------------------
 1 file changed, 548 deletions(-)
 delete mode 100644 version0.9/nasal_LR_demo.cpp

diff --git a/version0.9/nasal_LR_demo.cpp b/version0.9/nasal_LR_demo.cpp
deleted file mode 100644
index e62841d..0000000
--- a/version0.9/nasal_LR_demo.cpp
+++ /dev/null
@@ -1,548 +0,0 @@
-
-#include <cstring>
-#include <iostream>
-#include <list>
-#include <stack>
-
-#include "nasal_lexer.h"
-
-enum token_type
-{
-	__stack_end=1,
-	__equal,// =
-	__cmp_equal,// ==
-	__cmp_not_equal,// !=
-	__cmp_less,__cmp_less_or_equal,// < <=
-	__cmp_more,__cmp_more_or_equal,// > >=
-	__and_operator,__or_operator,__nor_operator,// and or !
-	__add_operator,__sub_operator,__mul_operator,__div_operator,__link_operator,// + - * / ~
-	__add_equal,__sub_equal,__mul_equal,__div_equal,__link_equal,// += -= *= /= ~=
-	__left_brace,__right_brace,// {}
-	__left_bracket,__right_bracket,// []
-	__left_curve,__right_curve,// ()
-	__semi,// ;
-	__comma,// ,
-	__colon,// :
-	__dot,// .
-	__var,
-	__func,
-	__id,
-	__return,
-	__if,__elsif,__else,
-	__continue,__break,__for,__forindex,__foreach,__while,
-	
-	__scalar,
-	__number,__string,__char,
-	__list,
-	__hash,
-	__hash_member,
-	__statement,
-	__function,
-	__call_function,
-	__definition,
-	__assignment,
-	__calculation,
-	__loop,
-	__choose,
-	__program
-};
-
-const int max_len=10;
-struct cmp_seq
-{
-	int tokens[max_len];
-	int res;
-};
-// must put in a reverse way
-cmp_seq par[]=
-{
-	{{__statement,__program},                __program},
-	{{__statement},                          __program},
-	{{__semi,__number,__equal,__id,__var},__definition},
-	{{__definition},                       __statement}
-};
-int num_of_par=sizeof(par)/sizeof(cmp_seq);
-
-void print_token(int type)
-{
-	std::string context="";
-	switch(type)
-	{
-		case __stack_end:
-			context="#";
-			break;
-		case __equal:
-			context="=";
-			break;
-		case __cmp_equal:
-			context="==";
-			break;
-		case __cmp_not_equal:
-			context="!=";
-			break;
-		case __cmp_less:
-			context="<";
-			break;
-		case __cmp_less_or_equal:
-			context="<=";
-			break;
-		case __cmp_more:
-			context=">";
-			break;
-		case __cmp_more_or_equal:
-			context=">=";
-			break;
-		case __and_operator:
-			context="and";
-			break;
-		case __or_operator:
-			context="or";
-			break;
-		case __nor_operator:
-			context="!";
-			break;
-		case __add_operator:
-			context="+";
-			break;
-		case __sub_operator:
-			context="-";
-			break;
-		case __mul_operator:
-			context="*";
-			break;
-		case __div_operator:
-			context="/";
-			break;
-		case __link_operator:
-			context="~";
-			break;
-		case __add_equal:
-			context="+=";
-			break;
-		case __sub_equal:
-			context="-=";
-			break;
-		case __mul_equal:
-			context="*=";
-			break;
-		case __div_equal:
-			context="/=";
-			break;
-		case __link_equal:
-			context="~=";
-			break;
-		case __left_brace:
-			context="{";
-			break;
-		case __right_brace:
-			context="}";
-			break;
-		case __left_bracket:
-			context="[";
-			break;
-		case __right_bracket:
-			context="]";
-			break;
-		case __left_curve:
-			context="(";
-			break;
-		case __right_curve:
-			context=")";
-			break;
-		case __semi:
-			context=";";
-			break;
-		case __comma:
-			context=",";
-			break;
-		case __colon:
-			context=":";
-			break;
-		case __dot:
-			context=".";
-			break;
-		case __var:
-			context="var";
-			break;
-		case __func:
-			context="func";
-			break;
-		case __id:
-			context="id";
-			break;
-		case __number:
-			context="number";
-			break;
-		case __string:
-			context="string";
-			break;
-		case __char:
-			context="char";
-			break;
-		case __continue:
-			context="continue";
-			break;
-		case __break:
-			context="break";
-			break;
-		case __for:
-			context="for";
-			break;
-		case __forindex:
-			context="forindex";
-			break;
-		case __foreach:
-			context="foreach";
-			break;
-		case __while:
-			context="while";
-			break;
-		case __if:
-			context="if";
-			break;
-		case __elsif:
-			context="elsif";
-			break;
-		case __else:
-			context="else";
-			break;
-		case __return:
-			context="return";
-			break;
-		case __scalar:
-			context="scalar";
-			break;
-		case __list:
-			context="list";
-			break;
-		case __hash:
-			context="hash";
-			break;
-		case __hash_member:
-			context="hash_member";
-			break;
-		case __statement:
-			context="statement";
-			break;
-		case __function:
-			context="function";
-			break;
-		case __call_function:
-			context="call_func";
-			break;
-		case __definition:
-			context="definition";
-			break;
-		case __assignment:
-			context="assignment";
-			break;
-		case __calculation:
-			context="calc";
-			break;
-		case __loop:
-			context="loop";
-			break;
-		case __choose:
-			context="choose";
-			break;
-		case __program:
-			context="program";
-			break;
-	}
-	std::cout<<context;
-	return;
-}
-
-struct parse_unit
-{
-	int line;
-	int type;
-};
-class PDA
-{
-	private:
-		std::stack<int> main_stack;
-		std::stack<int> comp_stack;
-	public:
-		void set_stack_empty()
-		{
-			while(!main_stack.empty())
-				main_stack.pop();
-			while(!comp_stack.empty())
-				comp_stack.pop();
-			main_stack.push(__stack_end);
-			comp_stack.push(__stack_end);
-		}
-		void stack_input(std::stack<parse_unit>& temp)
-		{
-			set_stack_empty();
-			while(!temp.empty())
-			{
-				main_stack.push(temp.top().type);
-				temp.pop();
-			}
-			return;
-		}
-		void print_stack(std::stack<int>& temp)
-		{
-			std::stack<int> t;
-			while(!temp.empty())
-			{
-				t.push(temp.top());
-				print_token(t.top());
-				std::cout<<" ";
-				temp.pop();
-			}
-			while(!t.empty())
-			{
-				temp.push(t.top());
-				t.pop();
-			}
-			return;
-		}
-		void print_main_and_comp()
-		{
-			std::cout<<">>[Main stack] ";
-			print_stack(main_stack);
-			std::cout<<std::endl<<">>[Comp stack] ";
-			print_stack(comp_stack);
-			std::cout<<std::endl;
-			return;
-		}
-		bool reducable()
-		{
-			std::stack<int> temp;
-			for(int i=0;i<num_of_par;++i)
-			{
-				for(int j=max_len-1;j>=0;--j)
-				{
-					if(!par[i].tokens[j])
-						continue;
-					// if par[i].tokens[j] is 0 then continue until the tokens[j] is not 0
-					temp.push(comp_stack.top());
-					comp_stack.pop();
-					if((par[i].tokens[j]!=temp.top()) || (comp_stack.empty() && par[i].tokens[j]))
-					{
-						while(!temp.empty())
-						{
-							comp_stack.push(temp.top());
-							temp.pop();
-						}
-						break;
-					}
-					if((par[i].tokens[j]==temp.top()) && (j==0))
-					{
-						comp_stack.push(par[i].res);
-						return true;
-					}
-				}
-			}
-			return false;
-		}
-		void main_comp_progress()
-		{
-			print_main_and_comp();
-			while(main_stack.top()!=__stack_end)
-			{
-				comp_stack.push(main_stack.top());
-				main_stack.pop();
-				print_main_and_comp();
-				while(1)
-				{
-					if(!reducable())
-						break;
-					print_main_and_comp();
-				}
-			}
-			if(comp_stack.top()==__program)
-			{
-				comp_stack.pop();
-				if(comp_stack.top()==__stack_end)
-					std::cout<<">>[Parse] 0 error(s)."<<std::endl;
-				else
-					std::cout<<">>[Parse] Error:"<<std::endl;
-			}
-			else
-				std::cout<<">>[Parse] Error:"<<std::endl;
-			std::cout<<">>[Parse] Complete checking."<<std::endl;
-			//print_error();
-			return;
-		}
-};
-
-class nasal_parser
-{
-	private:
-		std::stack<parse_unit> parser;
-	public:
-		void parse_process(std::list<token>& lexer)
-		{
-			while(!parser.empty())
-				parser.pop();
-			for(std::list<token>::iterator i=lexer.begin();i!=lexer.end();++i)
-			{
-				parse_unit temp_parse;
-				temp_parse.line=(*i).line;
-				if(((*i).content=="var") || ((*i).content=="func") || ((*i).content=="return") || ((*i).content=="nil") || ((*i).content=="continue") || ((*i).content=="break") || ((*i).content=="and") || ((*i).content=="or"))
-				{
-					if((*i).content=="var")
-						temp_parse.type=__var;
-					else if((*i).content=="func")
-						temp_parse.type=__func;
-					else if((*i).content=="return")
-						temp_parse.type=__return;
-					else if((*i).content=="nil")
-						temp_parse.type=__number;
-					else if((*i).content=="continue")
-						temp_parse.type=__continue;
-					else if((*i).content=="break")
-						temp_parse.type=__break;
-					else if((*i).content=="and")
-						temp_parse.type=__and_operator;
-					else if((*i).content=="or")
-						temp_parse.type=__or_operator;
-				}
-				else if((*i).type==IDENTIFIER)
-				{
-					temp_parse.type=__id;
-				}
-				else if(((*i).content=="for") || ((*i).content=="foreach") || ((*i).content=="while") || ((*i).content=="forindex"))
-				{
-					if((*i).content=="for")
-						temp_parse.type=__for;
-					else if((*i).content=="forindex")
-						temp_parse.type=__forindex;
-					else if((*i).content=="foreach")
-						temp_parse.type=__foreach;
-					else if((*i).content=="while")
-						temp_parse.type=__while;
-				}
-				else if(((*i).content=="if") || ((*i).content=="else") || ((*i).content=="elsif"))
-				{
-					if((*i).content=="if")
-						temp_parse.type=__if;
-					else if((*i).content=="else")
-						temp_parse.type=__else;
-					else if((*i).content=="elsif")
-						temp_parse.type=__elsif;
-				}
-				else if(((*i).content=="==") || ((*i).content=="!=") || ((*i).content==">") || ((*i).content==">=") || ((*i).content=="<") || ((*i).content=="<="))
-				{
-					if((*i).content=="==")
-						temp_parse.type=__cmp_equal;
-					else if((*i).content=="!=")
-						temp_parse.type=__cmp_not_equal;
-					else if((*i).content==">")
-						temp_parse.type=__cmp_more;
-					else if((*i).content==">=")
-						temp_parse.type=__cmp_more_or_equal;
-					else if((*i).content=="<")
-						temp_parse.type=__cmp_less;
-					else if((*i).content=="<=")
-						temp_parse.type=__cmp_less_or_equal;
-				}
-				else if(((*i).content==";") || ((*i).content==",") || ((*i).content=="=") || ((*i).content==":") || ((*i).content=="."))
-				{
-					if((*i).content==";")
-						temp_parse.type=__semi;
-					else if((*i).content==",")
-						temp_parse.type=__comma;
-					else if((*i).content=="=")
-						temp_parse.type=__equal;
-					else if((*i).content==":")
-						temp_parse.type=__colon;
-					else if((*i).content==".")
-						temp_parse.type=__dot;
-				}
-				else if(((*i).type==NUMBER) || ((*i).type==STRING) || ((*i).type==CHAR))
-				{
-					if((*i).type==NUMBER)
-						temp_parse.type=__number;
-					else if((*i).type==STRING)
-						temp_parse.type=__string;
-					else if((*i).type==CHAR)
-						temp_parse.type=__char;
-				}
-				else if(((*i).content=="+") || ((*i).content=="-") || ((*i).content=="*") || ((*i).content=="/") || ((*i).content=="~") || ((*i).content=="!"))
-				{
-					if((*i).content=="+")
-						temp_parse.type=__add_operator;
-					else if((*i).content=="-")
-						temp_parse.type=__sub_operator;
-					else if((*i).content=="*")
-						temp_parse.type=__mul_operator;
-					else if((*i).content=="/")
-						temp_parse.type=__div_operator;
-					else if((*i).content=="~")
-						temp_parse.type=__link_operator;
-					else if((*i).content=="!")
-						temp_parse.type=__nor_operator;
-				}
-				else if(((*i).content=="+=") || ((*i).content=="-=") || ((*i).content=="*=") || ((*i).content=="/=") || ((*i).content=="~="))
-				{
-					if((*i).content=="+=")
-						temp_parse.type=__add_equal;
-					else if((*i).content=="-=")
-						temp_parse.type=__sub_equal;
-					else if((*i).content=="*=")
-						temp_parse.type=__mul_equal;
-					else if((*i).content=="/=")
-						temp_parse.type=__div_equal;
-					else if((*i).content=="~=")
-						temp_parse.type=__link_equal;
-				}
-				else if(((*i).content=="(") || ((*i).content==")") || ((*i).content=="[") || ((*i).content=="]") || ((*i).content=="{") || ((*i).content=="}"))
-				{
-					char c=(*i).content[0];
-					switch(c)
-					{
-						case '(':
-							temp_parse.type=__left_curve;
-							break;
-						case ')':
-							temp_parse.type=__right_curve;
-							break;
-						case '[':
-							temp_parse.type=__left_bracket;
-							break;
-						case ']':
-							temp_parse.type=__right_bracket;
-							break;
-						case '{':
-							temp_parse.type=__left_brace;
-							break;
-						case '}':
-							temp_parse.type=__right_brace;
-							break;
-					}
-				}
-				parser.push(temp_parse);//push this into stack
-			}
-			std::stack<parse_unit> temp;
-			while(!parser.empty())
-			{
-				temp.push(parser.top());
-				parser.pop();
-			}
-			PDA automata;
-			automata.stack_input(temp);
-			automata.main_comp_progress();
-			return;
-		}
-};
-
-int main()
-{
-	std::string filename;
-	resource_programme_process prog;
-	nasal_lexer lex;
-	nasal_parser pas;
-	while(1)
-	{
-		std::cin>>filename;
-		prog.input_file(filename);
-		lex.lexer_process(prog.use_file());
-		pas.parse_process(lex.return_list());
-	}
-	return 0;
-}