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@ -1,8 +1,5 @@
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// ConsoleApplication18.cpp : Defines the entry point for the console application.
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//
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#include "stdafx.h"
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#include <deque>
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#include <limits>
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#include <vector>
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#include <stack>
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#include <vector>
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#include <set>
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@ -10,7 +7,14 @@
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#include <cstdio>
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#include <valarray>
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#include <iostream>
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#include <cstring>
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class NullBuffer : public std::streambuf
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{
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public:
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int overflow(int c) { return c; }
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};
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#define MAX_BUFFER 102400
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char buffer[MAX_BUFFER + 2];
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@ -32,7 +36,7 @@ enum Type { PSR, SYM, NUM };
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#define S(a) P(a) + NOTEQ + 1
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#define DeS(a) a - 4 - NOTEQ
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#define _S(a) a >= S(0) && a <= S(FACT)
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#define init_follow(...) init_st(__VA_ARGS__, -1)[0]
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#define init_follow(n, ...) init_st((n + 1), __VA_ARGS__, -1)[0]
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#define A_MOD P(EQUAL)
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struct IDS {
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@ -44,12 +48,11 @@ struct IDS {
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}
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}**pres;
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template <class T>
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struct HASH {
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IDS *id;
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IDS *id = 0;
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char* value;
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unsigned int* int_value;
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unsigned int* int_value = 0;
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HASH(char* value, int index)
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{
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this->value = value;
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@ -72,17 +75,19 @@ struct HASH {
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{
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if (int_value != NULL)
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delete(int_value);
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if (id)
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delete id;
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}
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};
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vector<HASH<char*> *> sym;
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vector<HASH<unsigned int*> *> num;
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vector<HASH *> sym;
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vector<HASH *> num;
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struct GrammaUnit {
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int *follows;
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};
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deque<IDS*> identifiers;
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vector<IDS*> identifiers;
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void GETSYM() {
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@ -94,10 +99,11 @@ void GETSYM() {
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bool takein = false, lastTaken = false;
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IDS *lastMatch;
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//init
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pres = new IDS*[NOTEQ];
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pres = new IDS*[NOTEQ + 1];
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for (j = 0; j <= NOTEQ; j++) {
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pres[j] = new IDS(0, j);
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}
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while (*bp) {
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takein = false;
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lastTaken = false;
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@ -186,7 +192,7 @@ void GETSYM() {
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for (j = 0; j < index; j++)
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tmp[j] = (bp-index)[j];
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tmp[index] = 0;
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sym.push_back(new HASH<char *> (tmp,n_ids_const));
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sym.push_back(new HASH (tmp,n_ids_const));
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lastMatch = sym.back()->id;
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lastLength = index - 1;
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flags[n_pre_const - 1] = true;
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@ -228,7 +234,7 @@ void GETSYM() {
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tmp[j] = (bp - index)[j];
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tmp[index] = 0;
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num.push_back(new HASH<unsigned int *>(tmp, n_nums_const));
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num.push_back(new HASH(tmp, n_nums_const));
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lastMatch = num.back()->id;
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lastLength = index - 1;
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flags[n_pre + n_ids_const + 1] = true;
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@ -250,27 +256,21 @@ void GETSYM() {
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}
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else
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{
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cout << "undefined identifier " << *bp << endl;
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cout << "undefined identifier " << *bp << '\n';
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exit(1);
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}
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}
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if (index == 1 && *(bp - index) == '.')
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identifiers.push_back(pres[DOT]);
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for each (IDS *var in identifiers)
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{
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cout<<var->type<<'\t'<<var->index<< endl;
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}
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cout <<endl <<"Ints"<< endl;
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for each (HASH<unsigned int *> *var in num)
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{
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cout << *(var->int_value) << endl;
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}
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cout << endl << "Syms" << endl;
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for each (HASH<char*> *var in sym)
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{
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cout << var->value << endl;
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}
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for (IDS *var : identifiers)
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cout<<var->type<<'\t'<<var->index<< '\n';
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cout <<'\n' <<"Ints"<< '\n';
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for (HASH *var : num)
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cout << *(var->int_value) << '\n';
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cout << '\n' << "Syms" << '\n';
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for (HASH *var : sym)
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cout << var->value << '\n';
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}
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@ -282,14 +282,14 @@ struct Instruction {
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this->rop = rop;
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}
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} *firstjump;
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deque<pair<int, unsigned int>> *propos[1024];
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bool checklist[1024];// = { true };
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vector<pair<int, unsigned int>> *propos[1024];
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bool checklist[1024];
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bool geting_proc = false;
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deque<int> INTS;
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vector<int> INTS;
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int lv = -1, dx[1024] = { 0 };
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void push();
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template <typename T>
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class cheque : public deque<T> {
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class cheque : public vector<T> {
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public:
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void push_back(T&& _Val )
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{
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@ -303,11 +303,11 @@ public:
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push();
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}
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printf("inserting instructions...");
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deque<T>::push_back(_Val);
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vector<T>::push_back(_Val);
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}
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void pb(T&& _Val)
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{
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deque<T>::push_back(_Val);
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vector<T>::push_back(_Val);
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}
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};
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cheque<Instruction *> instructions;
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@ -316,22 +316,20 @@ void push() {
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INTS.pop_back();
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}
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inline int** init_st(int i, ...) {
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int j = 0, k = 1, t;
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int j = 0, k = 0, t;
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int **p = new int*[16];
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va_list arg_ptr;
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va_start(arg_ptr, i);
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p[0] = new int[8];
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t = i;
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p[0][0] = i;
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p[0] = new int[12];
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do {
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t = va_arg(arg_ptr, int);
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p[j][k++] = t;
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if (t == -2)
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{
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p[++j] = new int[8];
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k = 0;
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}
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t = va_arg(arg_ptr, int);
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p[j][k++] = t;
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} while (t != -1);
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p[j + 1] = new int(-3);
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@ -354,7 +352,7 @@ struct Reduced{
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this->type = type;
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}
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~Reduced() {
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free(param);
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//free(param);
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}
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};
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class Indexes {
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@ -379,10 +377,14 @@ public:
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return i < a.i;
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}
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};
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struct Vartable {
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};
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stack<int> lastSP;
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deque<Reduced *> buf;
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deque<pair<deque<pair<int, unsigned int>>, int>> vartable;
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deque<IDS *>::iterator it;
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vector<Reduced *> buf;
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vector<pair<vector<pair<int, unsigned int>>*, int>> vartable;
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vector<IDS *>::iterator it;
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Reduced *nextSym = 0;
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stack<set<Indexes>> archive;
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struct Pos {
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@ -401,7 +403,7 @@ Reduced* peekNext()
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case 2:
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return new Reduced(2, (void *)num[(*it)->index]->int_value);
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default:
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printf("Are you an asshole? An unchecked list? Fuck off.");
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printf("Unchecked list?");
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exit(1);
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}
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else
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@ -443,11 +445,11 @@ inline void popArchive(const int&i, const int &j) {
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}
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inline bool searchTableforVar(const int& param, int &level, int &d, bool &found, const bool con = false)
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{
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for each (pair<deque<pair<int, unsigned int>>, int> var in vartable)
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for (pair<vector<pair<int, unsigned int>>*, int> var : vartable)
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{
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if (var.second == 1 || var.second ==0 && con)
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if (var.second == 1 || (var.second == 0 && con))
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{
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for each (pair<int, unsigned int> v in var.first)
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for (pair<int, unsigned int> v : *(var.first))
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{
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if (v.first == param)
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{
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@ -459,18 +461,15 @@ inline bool searchTableforVar(const int& param, int &level, int &d, bool &found,
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}
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if (found)
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{
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//level--;
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return (bool)var.second;
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}
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}
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level++;
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}
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return false;
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}
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Reduced* reduce(int i, int j) {
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//popArchive(i, j);
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void *param = new int(0);
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switch (i)
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@ -479,7 +478,7 @@ Reduced* reduce(int i, int j) {
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{
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pop(i, j);
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if (!Next())
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cout << "succeed" << endl;
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cout << "succeed" << '\n';
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}
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break;
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case SP:
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@ -494,9 +493,9 @@ Reduced* reduce(int i, int j) {
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lv++;
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checklist[lv] = 0;
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if (vartable.empty())
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vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 0));
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vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 0));
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else if (vartable.back().second)
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vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 0));
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vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 0));
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pop(i, j);
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}
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@ -507,44 +506,43 @@ Reduced* reduce(int i, int j) {
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case INIT:
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{
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if (vartable.empty())
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vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 0));
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vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 0));
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else
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if (vartable.back().second)
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vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 0));
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pair<deque<pair<int, unsigned int>>, int> *top = &vartable.back();
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vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 0));
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pair<vector<pair<int, unsigned int>>*, int> *top = &vartable.back();
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Reduced* last = buf.back();
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if (last->type != 2)
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cout << "Reducing Error: Expecting a number." << endl;
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cout << "Reducing Error: Expecting a number." << '\n';
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unsigned int intval = *((unsigned int *)last->param);
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buf.pop_back();
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buf.pop_back();
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last = buf.back();
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if (last->type != 1)
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cout << "Reducing Error: Expecting a number." << endl;
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cout << "Reducing Error: Expecting a number." << '\n';
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int index = *((int *)last->param);
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top->first.push_back(pair<int, unsigned int>(index, intval));
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top->first->push_back(pair<int, unsigned int>(index, intval));
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buf.pop_back();
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}
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break;
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case V:
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{
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if (vartable.back().second != 1)
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vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 1));
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vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 1));
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|
|
if (j == 1)
|
|
|
|
|
{
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
Reduced *last = buf.back();
|
|
|
|
|
pair<deque<pair<int, unsigned int>>, int> *top = &vartable.back();
|
|
|
|
|
top->first.push_back(pair<int, unsigned int>(*((int *)last->param), dx[lv]++));
|
|
|
|
|
//instructions.push_back(new Instruction(INT, 0, vartable.back().first.size() + 2));
|
|
|
|
|
pair<vector<pair<int, unsigned int>>*, int> *top = &vartable.back();
|
|
|
|
|
top->first->push_back(pair<int, unsigned int>(*((int *)last->param), dx[lv]++));
|
|
|
|
|
|
|
|
|
|
vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 2));
|
|
|
|
|
propos[lv] = &vartable.back().first;
|
|
|
|
|
vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 2));
|
|
|
|
|
propos[lv] = vartable.back().first;
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
}
|
|
|
|
|
INTS.push_back(vartable[vartable.size() - 2].first.size() + 2);
|
|
|
|
|
INTS.push_back(vartable[vartable.size() - 2].first->size() + 2);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case VDEF:
|
|
|
|
@ -553,12 +551,12 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
Reduced *last = buf.back();
|
|
|
|
|
if (vartable.empty())
|
|
|
|
|
vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 1));
|
|
|
|
|
vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 1));
|
|
|
|
|
else
|
|
|
|
|
if (vartable.back().second != 1)
|
|
|
|
|
vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque<pair<int, unsigned int>>(), 1));
|
|
|
|
|
pair<deque<pair<int, unsigned int>>, int> *top = &vartable.back();
|
|
|
|
|
top->first.push_back(pair<int, unsigned int>(*((int *)last->param), dx[lv]++));
|
|
|
|
|
vartable.push_back(make_pair(new vector<pair<int, unsigned int>>(), 1));
|
|
|
|
|
pair<vector<pair<int, unsigned int>>*, int> *top = &vartable.back();
|
|
|
|
|
top->first->push_back(pair<int, unsigned int>(*((int *)last->param), dx[lv]++));
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
}
|
|
|
|
@ -569,17 +567,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
/*
|
|
|
|
|
if (vartable.empty())
|
|
|
|
|
vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque < pair<int, unsigned int>>(), 2));
|
|
|
|
|
else if (vartable.back().second!=1)
|
|
|
|
|
vartable.push_back(pair<deque<pair<int, unsigned int>>, int>(deque < pair<int, unsigned int>>(), 2));
|
|
|
|
|
|
|
|
|
|
pair<deque<pair<int, unsigned int>>, int> *top = &vartable.back();
|
|
|
|
|
Reduced* name = buf.back();
|
|
|
|
|
top->first.push_back(pair<int, unsigned int>(*((int *)name->param), lastSP.top()));
|
|
|
|
|
lastSP.pop();
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
@ -598,7 +586,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
int level = 0, d;
|
|
|
|
|
searchTableforVar(pa, level, d, found);
|
|
|
|
|
if (!found)
|
|
|
|
|
cout << "Error: undefined identifier " << sym[pa]->value << endl;
|
|
|
|
|
cout << "Error: undefined identifier " << sym[pa]->value << '\n';
|
|
|
|
|
else
|
|
|
|
|
instructions.push_back(new Instruction(STO, level, d));
|
|
|
|
|
}
|
|
|
|
@ -610,11 +598,11 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
bool found = false;
|
|
|
|
|
int pos = 0;
|
|
|
|
|
for each (pair<deque<pair<int, unsigned int>>, int> var in vartable)
|
|
|
|
|
for (pair<vector<pair<int, unsigned int>>*, int> var : vartable)
|
|
|
|
|
{
|
|
|
|
|
if (var.second == 2)
|
|
|
|
|
{
|
|
|
|
|
for each (pair<int, unsigned int> v in var.first)
|
|
|
|
|
for (pair<int, unsigned int> v : *(var.first))
|
|
|
|
|
{
|
|
|
|
|
if (v.first == pa)
|
|
|
|
|
{
|
|
|
|
@ -626,7 +614,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (!found)
|
|
|
|
|
cout << "Error: undefined procedure " << sym[pa]->value << endl;
|
|
|
|
|
cout << "Error: undefined procedure " << sym[pa]->value << '\n';
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
instructions.push_back(new Instruction(JMP, 0, pos));
|
|
|
|
|
}
|
|
|
|
@ -669,7 +657,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
instructions.push_back(new Instruction(STO, level, d));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
cout << "Error: Undefined parameter: " << sym[*(int*)buf.back()->param]->value << endl;
|
|
|
|
|
cout << "Error: Undefined parameter: " << sym[*(int*)buf.back()->param]->value << '\n';
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
buf.pop_back();
|
|
|
|
@ -687,12 +675,12 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
if(found)
|
|
|
|
|
instructions.push_back(new Instruction(LOD, level, d));
|
|
|
|
|
else
|
|
|
|
|
cout << "Error: Undefined parameter: " << sym[*(int*)buf.back()->param]->value << endl;
|
|
|
|
|
cout << "Error: Undefined parameter: " << sym[*(int*)buf.back()->param]->value << '\n';
|
|
|
|
|
}
|
|
|
|
|
else if (id->type == 2)
|
|
|
|
|
instructions.push_back(new Instruction(LIT, 0, *((int *)id->param)));
|
|
|
|
|
else
|
|
|
|
|
cout << "Error: Undefined parameter: " << *(int*)buf.back()->param - 3 << endl;
|
|
|
|
|
cout << "Error: Undefined parameter: " << *(int*)buf.back()->param - 3 << '\n';
|
|
|
|
|
|
|
|
|
|
instructions.push_back(new Instruction(SIO, 0, 1));
|
|
|
|
|
|
|
|
|
@ -753,7 +741,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
rop = 8;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
cout << "Error: Expected an condition modifier." << endl;
|
|
|
|
|
cout << "Error: Expected an condition modifier." << '\n';
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (rop == 9)
|
|
|
|
@ -785,14 +773,14 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
Pos* pos = (Pos *)buf.back()->param;
|
|
|
|
|
int end = pos->end, *start = new int(pos->start);
|
|
|
|
|
deque<Instruction *>::iterator iter = instructions.begin() + end;
|
|
|
|
|
vector<Instruction *>::iterator iter = instructions.begin() + end;
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
int ari2 = *((int *)buf.back()->param);
|
|
|
|
|
if (ari2)
|
|
|
|
|
(*iter)->rop = 1;
|
|
|
|
|
else
|
|
|
|
|
instructions.erase(iter);
|
|
|
|
|
//if((*iter)->)
|
|
|
|
|
|
|
|
|
|
param = start;
|
|
|
|
|
buf.pop_back();
|
|
|
|
|
}
|
|
|
|
@ -884,7 +872,7 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
else if(found && !type)
|
|
|
|
|
instructions.push_back(new Instruction(LIT, 0, d));
|
|
|
|
|
else
|
|
|
|
|
cout << "Error: Unfefined identifier: " << sym[*((int *)buf.back()->param)]->value << endl;
|
|
|
|
|
cout << "Error: Unfefined identifier: " << sym[*((int *)buf.back()->param)]->value << '\n';
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
@ -920,49 +908,49 @@ Reduced* reduce(int i, int j) {
|
|
|
|
|
void initStates() {
|
|
|
|
|
|
|
|
|
|
states = new int**[FACT + 1];
|
|
|
|
|
states[P] = init_st(S(SP), P(DOT), -1);
|
|
|
|
|
states[SP] = init_st(S(C), S(V), S(PRO), S(ST), P(SEMICOLON), -1);
|
|
|
|
|
states[C] = init_st(-2, P(CONST), S(INIT), S(CDEF), P(SEMICOLON), -1);
|
|
|
|
|
states[CDEF] = init_st(-2, P(COMMA), S(INIT), S(CDEF), -1);
|
|
|
|
|
states[INIT] = init_st(1, P(EQUAL), 2, -1);
|
|
|
|
|
states[V] = init_st(-2, P(VAR), 1, S(VDEF), P(SEMICOLON), -1);
|
|
|
|
|
states[VDEF] = init_st(-2, P(COMMA), 1, S(VDEF), -1);
|
|
|
|
|
states[PRO] = init_st(-2, P(PROCEDURE), 1, P(SEMICOLON), S(SP), S(PRO), -1);
|
|
|
|
|
states[ST] = init_st(-2, 1, P(ASSIGNMENT), S(EXP), -2, P(CALL), 1, -2,
|
|
|
|
|
states[P] = init_st(3, S(SP), P(DOT), -1);
|
|
|
|
|
states[SP] = init_st(6, S(C), S(V), S(PRO), S(ST), P(SEMICOLON), -1);
|
|
|
|
|
states[C] = init_st(6, -2, P(CONST), S(INIT), S(CDEF), P(SEMICOLON), -1);
|
|
|
|
|
states[CDEF] = init_st(5, -2, P(COMMA), S(INIT), S(CDEF), -1);
|
|
|
|
|
states[INIT] = init_st(4, 1, P(EQUAL), 2, -1);
|
|
|
|
|
states[V] = init_st(6, -2, P(VAR), 1, S(VDEF), P(SEMICOLON), -1);
|
|
|
|
|
states[VDEF] = init_st(5, -2, P(COMMA), 1, S(VDEF), -1);
|
|
|
|
|
states[PRO] = init_st(7, -2, P(PROCEDURE), 1, P(SEMICOLON), S(SP), S(PRO), -1);
|
|
|
|
|
states[ST] = init_st(35, -2, 1, P(ASSIGNMENT), S(EXP), -2, P(CALL), 1, -2,
|
|
|
|
|
P(BEGIN), S(ST), S(MORE), P(END), -2, P(IF), S(COND), P(THEN), S(ST), -2,
|
|
|
|
|
P(WHILE), S(COND), P(DO), S(ST), -2, P(READ), P(LP), 1, P(RP), -2, P(WRITE),
|
|
|
|
|
P(LP), 1, P(RP), -2, P(SEMICOLON), - 1);
|
|
|
|
|
states[MORE] = init_st(-2, P(SEMICOLON), S(ST), S(MORE), -1);
|
|
|
|
|
states[COND] = init_st(P(ODD), S(EXP), -2, S(EXP), A_MOD, S(EXP), -1);
|
|
|
|
|
states[EXP] = init_st(S(ARI2), S(TERM), S(EXP2), -1);
|
|
|
|
|
states[EXP2] = init_st(-2, S(ARITH), S(TERM), S(EXP2), -1);
|
|
|
|
|
states[ARITH] = init_st(P(PLUS), -2, P(MINUS), -1);
|
|
|
|
|
states[ARI2] = init_st(-2, S(ARITH), - 1);
|
|
|
|
|
states[TERM] = init_st(S(FACT), S(FACTS), -1);
|
|
|
|
|
states[FACTS] = init_st(-2, S(MULDIV), S(FACT), S(FACTS), -1);
|
|
|
|
|
states[MULDIV] = init_st(P(MULTIPLE), -2, P(DIVISION), -1);
|
|
|
|
|
states[FACT] = init_st(1, -2, 2, -2, P(LP), S(EXP), P(RP), -1);
|
|
|
|
|
states[MORE] = init_st(5, -2, P(SEMICOLON), S(ST), S(MORE), -1);
|
|
|
|
|
states[COND] = init_st(7, P(ODD), S(EXP), -2, S(EXP), A_MOD, S(EXP), -1);
|
|
|
|
|
states[EXP] = init_st(4, S(ARI2), S(TERM), S(EXP2), -1);
|
|
|
|
|
states[EXP2] = init_st(5, -2, S(ARITH), S(TERM), S(EXP2), -1);
|
|
|
|
|
states[ARITH] = init_st(4, P(PLUS), -2, P(MINUS), -1);
|
|
|
|
|
states[ARI2] = init_st(3, -2, S(ARITH), - 1);
|
|
|
|
|
states[TERM] = init_st(3, S(FACT), S(FACTS), -1);
|
|
|
|
|
states[FACTS] = init_st(5, -2, S(MULDIV), S(FACT), S(FACTS), -1);
|
|
|
|
|
states[MULDIV] = init_st(4, P(MULTIPLE), -2, P(DIVISION), -1);
|
|
|
|
|
states[FACT] = init_st(8, 1, -2, 2, -2, P(LP), S(EXP), P(RP), -1);
|
|
|
|
|
|
|
|
|
|
follows = new int*[FACT + 1];
|
|
|
|
|
follows[P] = init_follow(-1);
|
|
|
|
|
follows[SP] = init_follow(P(DOT), P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1, P(PROCEDURE));
|
|
|
|
|
follows[C] = init_follow(P(VAR), P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1, P(PROCEDURE));
|
|
|
|
|
follows[CDEF] = init_follow(P(SEMICOLON));
|
|
|
|
|
follows[INIT] = init_follow(P(SEMICOLON), P(COMMA));
|
|
|
|
|
follows[V] = init_follow(P(SEMICOLON), P(PROCEDURE), P(END), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1);
|
|
|
|
|
follows[VDEF] = init_follow(P(SEMICOLON));
|
|
|
|
|
follows[PRO] = init_follow(P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1);
|
|
|
|
|
follows[ST] = init_follow(P(END), P(SEMICOLON));
|
|
|
|
|
follows[MORE] = init_follow(P(END));
|
|
|
|
|
follows[COND] = init_follow(P(THEN), P(DO));
|
|
|
|
|
follows[EXP] = init_follow(A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[EXP2] = init_follow(A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[ARITH] = init_follow(1, 2, P(LP));
|
|
|
|
|
follows[ARI2] = init_follow(1, 2, P(LP));
|
|
|
|
|
follows[TERM] = init_follow(P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[FACTS] = init_follow(P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[MULDIV] = init_follow(1, 2, P(LP));
|
|
|
|
|
follows[FACT] = init_follow(P(MULTIPLE), P(DIVISION), P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(END), P(SEMICOLON), P(RP));
|
|
|
|
|
follows[P] = init_follow(1, -1);
|
|
|
|
|
follows[SP] = init_follow(11, P(DOT), P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1, P(PROCEDURE));
|
|
|
|
|
follows[C] = init_follow(11, P(VAR), P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1, P(PROCEDURE));
|
|
|
|
|
follows[CDEF] = init_follow(1, P(SEMICOLON));
|
|
|
|
|
follows[INIT] = init_follow(2, P(SEMICOLON), P(COMMA));
|
|
|
|
|
follows[V] = init_follow(10, P(SEMICOLON), P(PROCEDURE), P(END), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1);
|
|
|
|
|
follows[VDEF] = init_follow(1, P(SEMICOLON));
|
|
|
|
|
follows[PRO] = init_follow(9, P(END), P(SEMICOLON), P(BEGIN), P(CALL), P(IF), P(WHILE), P(READ), P(WRITE), 1);
|
|
|
|
|
follows[ST] = init_follow(2, P(END), P(SEMICOLON));
|
|
|
|
|
follows[MORE] = init_follow(1, P(END));
|
|
|
|
|
follows[COND] = init_follow(2, P(THEN), P(DO));
|
|
|
|
|
follows[EXP] = init_follow(6, A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[EXP2] = init_follow(6, A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[ARITH] = init_follow(3, 1, 2, P(LP));
|
|
|
|
|
follows[ARI2] = init_follow(3, 1, 2, P(LP));
|
|
|
|
|
follows[TERM] = init_follow(8, P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[FACTS] = init_follow(8, P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(RP), P(END), P(SEMICOLON));
|
|
|
|
|
follows[MULDIV] = init_follow(3, 1, 2, P(LP));
|
|
|
|
|
follows[FACT] = init_follow(10, P(MULTIPLE), P(DIVISION), P(PLUS), P(MINUS), A_MOD, P(THEN), P(DO), P(END), P(SEMICOLON), P(RP));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
instructions.pb(new Instruction(JMP, 0, -1));
|
|
|
|
@ -970,7 +958,6 @@ void initStates() {
|
|
|
|
|
checklist[0] = true;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
//stack<void(*) (deque<IDS*>::iterator)> callback;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@ -979,7 +966,7 @@ inline void expend(set<Indexes> &togo) {
|
|
|
|
|
int size0, j;
|
|
|
|
|
do {
|
|
|
|
|
size0 = togo.size();
|
|
|
|
|
for each (Indexes var in togo)
|
|
|
|
|
for (Indexes var : togo)
|
|
|
|
|
{
|
|
|
|
|
j = states[var.i][var.j][var.k];
|
|
|
|
|
int i;
|
|
|
|
@ -998,8 +985,7 @@ inline void expend(set<Indexes> &togo) {
|
|
|
|
|
void Shift(set<Indexes> togo) {
|
|
|
|
|
if (lv == 0)
|
|
|
|
|
int null = 1;
|
|
|
|
|
if (address == 75)
|
|
|
|
|
int fuck = 1;
|
|
|
|
|
|
|
|
|
|
//shifting
|
|
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|
|
Reduced* nextsym = peekNext();
|
|
|
|
|
set<Indexes> tobeReduced;
|
|
|
|
@ -1072,7 +1058,7 @@ void Shift(set<Indexes> togo) {
|
|
|
|
|
if (!togo.empty())
|
|
|
|
|
{
|
|
|
|
|
set<Indexes> togoNext;
|
|
|
|
|
for each (Indexes var in togo){
|
|
|
|
|
for (Indexes var : togo){
|
|
|
|
|
var.k++;
|
|
|
|
|
togoNext.insert(var);
|
|
|
|
|
}
|
|
|
|
@ -1084,7 +1070,7 @@ void Shift(set<Indexes> togo) {
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|
|
|
geting_proc = true;
|
|
|
|
|
else if (geting_proc && nexttype == 1)
|
|
|
|
|
{
|
|
|
|
|
propos[lv]->push_back(pair<int, unsigned int>(*((int *)nextsym->param), INT_MAX));
|
|
|
|
|
propos[lv]->push_back(pair<int, unsigned int>(*((int *)nextsym->param), numeric_limits<int>::max()));
|
|
|
|
|
checklist[lv] = false;
|
|
|
|
|
geting_proc = false;
|
|
|
|
|
}
|
|
|
|
@ -1103,41 +1089,43 @@ void BLOCK() {
|
|
|
|
|
//
|
|
|
|
|
expend(going);
|
|
|
|
|
Shift(going);
|
|
|
|
|
//callback.push(&I1);
|
|
|
|
|
// instructions[0]->rop = 1;//lastSP.top();
|
|
|
|
|
//lastSP.pop();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
vartable.clear();
|
|
|
|
|
cout << address <<Next() << endl;
|
|
|
|
|
cout << address <<Next() << '\n';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
deque<void **> *memory;
|
|
|
|
|
deque<unsigned int> *t;
|
|
|
|
|
vector<void **> *memory;
|
|
|
|
|
vector<int> *t;
|
|
|
|
|
|
|
|
|
|
int PC, I;
|
|
|
|
|
void* b;
|
|
|
|
|
#define getij() _getij(i, j)
|
|
|
|
|
#define geti _geti(i)
|
|
|
|
|
inline void _getij(unsigned int &i, unsigned int &j) {
|
|
|
|
|
inline void _getij(int &i, int &j) {
|
|
|
|
|
j = t->back();
|
|
|
|
|
t->pop_back();
|
|
|
|
|
i = t->back();
|
|
|
|
|
t->pop_back();
|
|
|
|
|
}
|
|
|
|
|
inline void _geti(unsigned int &i) {
|
|
|
|
|
inline void _geti(int &i) {
|
|
|
|
|
i = t->back();
|
|
|
|
|
t->pop_back();
|
|
|
|
|
}
|
|
|
|
|
void PARSE() {
|
|
|
|
|
|
|
|
|
|
int inst = 0;
|
|
|
|
|
for (auto var : instructions)
|
|
|
|
|
cout << inst++ << " " << operations[var->nop] << " " << var->lop << " " << var->rop << '\n';
|
|
|
|
|
|
|
|
|
|
I = 0;
|
|
|
|
|
PC = -1;
|
|
|
|
|
unsigned int i, j;
|
|
|
|
|
memory = new deque<void **>;
|
|
|
|
|
int i, j;
|
|
|
|
|
memory = new vector<void **>;
|
|
|
|
|
while (I < instructions.size())
|
|
|
|
|
{
|
|
|
|
|
if (I == 44)
|
|
|
|
|
int fuck = 0;
|
|
|
|
|
cout << "\n inst "<< I << endl;
|
|
|
|
|
|
|
|
|
|
cout << "\n inst "<< I << '\n';
|
|
|
|
|
switch (instructions[I] ->nop)
|
|
|
|
|
{
|
|
|
|
|
case INT:
|
|
|
|
@ -1145,7 +1133,7 @@ void PARSE() {
|
|
|
|
|
b = new void*[instructions[I]->rop];
|
|
|
|
|
memory->push_back((void **)b);
|
|
|
|
|
|
|
|
|
|
t = new deque<unsigned int>;
|
|
|
|
|
t = new vector<int>;
|
|
|
|
|
((void **)b)[0] = t;
|
|
|
|
|
((void **)b)[1] = b;
|
|
|
|
|
((void **)b)[2] = new int(PC);
|
|
|
|
@ -1161,10 +1149,10 @@ void PARSE() {
|
|
|
|
|
else
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
delete (deque<unsigned int> *)((void **)b)[0];
|
|
|
|
|
delete[]b;
|
|
|
|
|
delete (vector< int> *)((void **)b)[0];
|
|
|
|
|
delete[] ((void**)b);
|
|
|
|
|
memory->pop_back();
|
|
|
|
|
t = (deque<unsigned int > *)(memory->back()[0]);
|
|
|
|
|
t = (vector< int > *)(memory->back()[0]);
|
|
|
|
|
b = memory->back()[1];
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
@ -1198,7 +1186,7 @@ void PARSE() {
|
|
|
|
|
getij();
|
|
|
|
|
if (j == 0)
|
|
|
|
|
{
|
|
|
|
|
cout << "Error: Division by zero" << endl;
|
|
|
|
|
cout << "Error: Division by zero" << '\n';
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
t->push_back(i / j);
|
|
|
|
@ -1257,7 +1245,7 @@ void PARSE() {
|
|
|
|
|
else {
|
|
|
|
|
i = t->back();
|
|
|
|
|
t->pop_back();
|
|
|
|
|
cout << i;
|
|
|
|
|
cout << i <<'\n';
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
@ -1293,7 +1281,7 @@ void PARSE() {
|
|
|
|
|
I = instructions[I]->rop;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
cout << "Undefined Instruction: \n" << operations[instructions[I]->nop] << " " << instructions[I]->lop << " " << instructions[I]->rop << endl;
|
|
|
|
|
cout << "Undefined Instruction: \n" << operations[instructions[I]->nop] << " " << instructions[I]->lop << " " << instructions[I]->rop << '\n';
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
I++;
|
|
|
|
@ -1302,86 +1290,22 @@ void PARSE() {
|
|
|
|
|
delete memory;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void test_main(){
|
|
|
|
|
cout << "************************Tests*************************" << endl;
|
|
|
|
|
valarray<int>
|
|
|
|
|
a;
|
|
|
|
|
void * pointer;
|
|
|
|
|
HASH<char*> fuck = HASH<char*>("fuck", 1);
|
|
|
|
|
pointer = &fuck;
|
|
|
|
|
((HASH<char*>*) pointer)->value;
|
|
|
|
|
printf("%s\n", ((HASH<char*>*) pointer)->value);
|
|
|
|
|
int *follow;
|
|
|
|
|
int f[] = { 1,2 };
|
|
|
|
|
follow = f;
|
|
|
|
|
printf("%d\n", P(NOTEQ));
|
|
|
|
|
it = identifiers.begin() + 2;
|
|
|
|
|
stack<set<Indexes>> st1;
|
|
|
|
|
set<Indexes > fucked;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
st1.push(fucked);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
fucked.insert(Indexes(1, 2, 3));
|
|
|
|
|
fucked.insert(Indexes(1, 4, 3));
|
|
|
|
|
fucked.insert(Indexes(3, 3, 2));
|
|
|
|
|
fucked.insert(Indexes(1, 2, 7));
|
|
|
|
|
fucked.insert(Indexes(1, 2, 3));
|
|
|
|
|
if (st1.top().size())
|
|
|
|
|
exit(1);
|
|
|
|
|
for each (Indexes var in fucked)
|
|
|
|
|
{
|
|
|
|
|
if (var.i == 1)
|
|
|
|
|
fucked.insert(Indexes(0, var.j, var.k));
|
|
|
|
|
cout << var.i << '\t' << var.j << '\t' << var.k << endl;
|
|
|
|
|
}
|
|
|
|
|
do {
|
|
|
|
|
while (false);
|
|
|
|
|
} while (false);
|
|
|
|
|
vector<bool> B;
|
|
|
|
|
vector<long double> LD;
|
|
|
|
|
B.push_back(1);
|
|
|
|
|
LD.push_back(1);
|
|
|
|
|
deque<Instruction *> deq;
|
|
|
|
|
deq.push_back(new Instruction(1, 2, 3));
|
|
|
|
|
deq.push_back(new Instruction(3, 4, 5));
|
|
|
|
|
deq.push_back(new Instruction(0, 3, 7));
|
|
|
|
|
deq.push_back(new Instruction(4, 7, 8));
|
|
|
|
|
//(deq.begin() + 2) =
|
|
|
|
|
deq.erase(deq.begin() + 1);
|
|
|
|
|
deque<Instruction *>::iterator iterat = deq.begin();
|
|
|
|
|
|
|
|
|
|
while (iterat != deq.end())
|
|
|
|
|
{
|
|
|
|
|
cout << (*iterat)->lop<<endl;
|
|
|
|
|
iterat++;
|
|
|
|
|
}
|
|
|
|
|
for (int i = 0; i < deq.size(); i++)
|
|
|
|
|
{
|
|
|
|
|
cout << deq[i]->lop << endl;
|
|
|
|
|
}
|
|
|
|
|
cout << "*********************Capacities***********************" << endl;
|
|
|
|
|
cout << B.capacity() << '\t' << LD.capacity() << endl;
|
|
|
|
|
cout << "*********************End Tests***********************" << endl;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
long length;
|
|
|
|
|
char* file = 0;
|
|
|
|
|
FILE *fp = NULL;
|
|
|
|
|
if (argc > 2)
|
|
|
|
|
if (argc > 1)
|
|
|
|
|
fp = fopen(argv[1], "r");
|
|
|
|
|
//#ifdef _DEBUG
|
|
|
|
|
fp = fopen("input2.pas", "r");
|
|
|
|
|
// test_main();
|
|
|
|
|
//#endif
|
|
|
|
|
else
|
|
|
|
|
fp = fopen("input.pas", "r");
|
|
|
|
|
|
|
|
|
|
if (!fp)
|
|
|
|
|
file = new char[65536];
|
|
|
|
|
loop_input: while (!fp) {
|
|
|
|
|
cout << "Input the path of input file."<<endl;
|
|
|
|
|
cout << "Input the path of input file."<<'\n';
|
|
|
|
|
scanf("%s", file);
|
|
|
|
|
fp = fopen(file, "r");
|
|
|
|
|
}
|
|
|
|
@ -1389,18 +1313,17 @@ loop_input: while (!fp) {
|
|
|
|
|
length = ftell(fp);
|
|
|
|
|
if (length > MAX_BUFFER)
|
|
|
|
|
{
|
|
|
|
|
cout << "Cannot handle now:)" << endl;
|
|
|
|
|
cout << "Cannot handle now:)" << '\n';
|
|
|
|
|
fclose(fp);
|
|
|
|
|
fp = NULL;
|
|
|
|
|
goto loop_input;
|
|
|
|
|
}
|
|
|
|
|
fseek(fp, 0, SEEK_SET);
|
|
|
|
|
free(file);
|
|
|
|
|
fread(buffer, 1, length, fp);
|
|
|
|
|
fclose(fp);
|
|
|
|
|
|
|
|
|
|
buffer[length] = ' ';
|
|
|
|
|
buffer[length] = EOF;
|
|
|
|
|
buffer[length] = 0;
|
|
|
|
|
sym.reserve(512);
|
|
|
|
|
num.reserve(512);
|
|
|
|
|
|
|
|
|
@ -1409,18 +1332,11 @@ loop_input: while (!fp) {
|
|
|
|
|
//PARSING
|
|
|
|
|
BLOCK();
|
|
|
|
|
//Interprating
|
|
|
|
|
|
|
|
|
|
/*for (int i = instructions.size() -1; i > 0; i--)
|
|
|
|
|
{
|
|
|
|
|
Instruction *var = instructions[i];
|
|
|
|
|
*/
|
|
|
|
|
int inst = 0;
|
|
|
|
|
|
|
|
|
|
for each (Instruction *var in instructions)
|
|
|
|
|
{
|
|
|
|
|
cout <<inst++ <<" "<< operations[var->nop] << " "<< var->lop << " "<< var->rop << endl;
|
|
|
|
|
}
|
|
|
|
|
PARSE();
|
|
|
|
|
|
|
|
|
|
cout << "\n\nProgram ended.\n";
|
|
|
|
|
if(file)
|
|
|
|
|
delete[] file;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|