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main.cpp
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main.cpp
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#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <windows.h>
int g_in = 0;
int g_out = 0;
int g_buf = 0;
struct Function {
std::string name;
int word_n;
int in , buf , out = 0;
int pointer;
Function(int x_point) {
pointer = x_point;
in = 0;
buf = 0;
out = 0;
}
void changevarfromstr(std::vector<std::string> lines, int value) {
if (lines[pointer] == "global") {
pointer++;
if (lines[pointer] == "in") {
g_in = value;
} else if (lines[pointer] == "buf") {
g_buf = value;
} else if (lines[pointer] == "out") {
g_out = value;
}
} else {
if (lines[pointer] == "in") {
in = value;
} else if (lines[pointer] == "buf") {
buf = value;
} else if (lines[pointer] == "out") {
out = value;
}
}
pointer++;
}
int returnint(std::vector<std::string> lines, std::vector<int> parent, std::vector<Function>& Functions) {
std::string line = lines[pointer];
if (isdigit(line[0])) {
int val = stoi(lines[pointer]);
pointer++;
return val;
} else {
if (lines[pointer] == "parent") {
pointer++;
if (lines[pointer] == "in") { pointer++; return parent[0];
} else if (lines[pointer] == "buf") { pointer++; return parent[1];
} else if (lines[pointer] == "out") { pointer++; return parent[2]; }
} else
if (lines[pointer] == "func") {
pointer++;
for (auto& function : Functions) {
if (lines[pointer] == function.name) {
pointer++;
if (lines[pointer] == "in") { pointer++; return function.in;
} else if (lines[pointer] == "buf") { pointer++; return function.buf;
} else if (lines[pointer] == "out") { pointer++; return function.out; }
}
}
} else
if (lines[pointer] == "global") {
pointer++;
if (lines[pointer] == "in") { pointer++; return g_in;
} else if (lines[pointer] == "buf") { pointer++; return g_buf;
} else if (lines[pointer] == "out") { pointer++; return g_out; }
} else {
if (lines[pointer] == "in") { pointer++; return in;
} else if (lines[pointer] == "buf") { pointer++; return buf;
} else if (lines[pointer] == "out") { pointer++; return out; }
}
}
}
void run(std::vector<std::string> lines, std::vector<Function>& Functions, std::vector<int> parent) {
bool end_fun_running = false;
while (end_fun_running == false) {
//Ends Execution function
if (lines[pointer] == "end") {
break;
} else
// Prints in Terminal value (in , buf or out)
if (lines[pointer] == "say") {
pointer++;
std::cout << returnint(lines, parent, Functions) << std::endl;
} else
// Wait some time
if (lines[pointer] == "wait") {
pointer++;
Sleep(returnint(lines, parent, Functions));
} else
//Set global (in, buf or out) value from local
if (lines[pointer] == "provide") {
pointer++;
int x = returnint(lines, parent, Functions);
pointer++;
changevarfromstr(lines, x);
} else
//Get value from global (in, buf or out)
if (lines[pointer] == "retrieve") {
pointer++;
int x = returnint(lines, parent, Functions);
pointer++;
changevarfromstr(lines, x);
} else
//Checks if values equal , higher or lower. runs function if needed
if (lines[pointer] == "if") {
pointer++;
int x = returnint(lines, parent, Functions);
if (lines[pointer] == "equal") {
pointer++;
int y = returnint(lines, parent, Functions);
if (x == y) {
pointer++;
for (auto& function : Functions) {
if (lines[pointer] == function.name) {
if (name == function.name) {
parent = {in , buf, out};
pointer = word_n + 2;
} else {
std::vector<int> parent_d = {in , buf, out};
function.run(lines, Functions, parent_d);
pointer++;
}
}
}
}
} else if (lines[pointer] == "higher") {
pointer++;
int y = returnint(lines, parent,Functions);
if (x > y) {
pointer++;
for (auto& function : Functions) {
if (lines[pointer] == function.name) {
if (name == function.name) {
parent = {in , buf, out};
pointer = word_n + 2;
} else {
std::vector<int> parent_d = {in , buf, out};
function.run(lines, Functions, parent_d);
pointer++;
}
}
}
}
} else if (lines[pointer] == "lower") {
pointer++;
int y = returnint(lines, parent, Functions);
if (x < y) {
pointer++;
for (auto& function : Functions) {
if (lines[pointer] == function.name) {
if (name == function.name) {
parent = {in , buf, out};
pointer = word_n + 2;
} else {
std::vector<int> parent_d = {in , buf, out};
function.run(lines, Functions, parent_d);
pointer++;
}
}
}
}
}
} else
if (lines[pointer] == "reset") {
pointer++;
in = 0;
out = 0;
buf = 0;
} else
//Inverts value in, buf or out
if (lines[pointer] == "invert") {
pointer++;
int x = returnint(lines, parent, Functions);
pointer++;
changevarfromstr(lines, -x);
} else
//Set value to (in, buf or out)
if (lines[pointer] == "set") {
pointer++;
int x = returnint(lines, parent, Functions);
pointer++;
changevarfromstr(lines, x);
} else
//Add value to (in, buf or out)
if (lines[pointer] == "add") {
pointer++;
int x = returnint(lines, parent, Functions);
pointer++;
int y = returnint(lines, parent, Functions);
pointer++;
changevarfromstr(lines, (x+y));
} else
// Run Function
{
for (auto& function : Functions) {
if (lines[pointer] == function.name) {
if (name == function.name) {
parent = {in , buf, out};
pointer = word_n + 2;
} else {
std::vector<int> parent_d = {in , buf, out};
function.run(lines, Functions, parent_d);
pointer++;
}
}
}
}
}
}
};
int main() {
std::vector<Function> Functions;
std::vector<std::string> lines;
std::string line;
std::ifstream fd ("main.al");
bool exit = false;
//Write each word in lines vector
while(exit == false) {
fd >> line;
lines.push_back(line);
if (line == "exit") { exit = true; }
}
fd.close();
//Declarate Functions
for (int x = 0; x < lines.size(); x++) {
if (lines[x] == "function") {
Function function(x+2);
function.name = lines[x+1];
function.word_n = x;
Functions.push_back(function);
}
}
//Start Executing Functions
for (int x = 0; x < lines.size(); x++) {
if (lines[x] == "function") {
bool skip_f_dec = false;
while (skip_f_dec == false) {
x++;
if (lines[x] == "end") {skip_f_dec = true;}
}
} else {
for (auto& function : Functions) {
if (lines[x] == function.name) {
function.run(lines, Functions, {0, 0, 0});
}
}
}
}
system("pause");
return 0;
}