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main.cpp
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main.cpp
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/*
* File: main.cpp
* Author: Angmar
*
* Created on December 14, 2015, 2:55 PM
*/
#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include <fstream>
using namespace std;
#include "expression.h"
#include "subexpression.h"
#include "symboltable.h"
#include "parse.h"
#include <sstream>
SymbolTable symbolTable;
void parseAssignments();
int main(int argc, char** argv) {
ifstream inFile;
char inputFilename[] = "F:\\Documents\\project2input.txt";
inFile.open(inputFilename, ios::in);
if (!inFile) {
cerr << "Can't open input file " << inputFilename << endl;
exit(1);
}
Expression* expression;
std::string token;
std::istringstream line(token);
char paren, comma;
while(std::getline(inFile, token))
{
std::istringstream line(token);
while(line >> token)
{
std::cout << "Token :" << token << std::endl;
line >> paren;
expression = SubExpression::parse();
line >> comma;
parseAssignments();
}
}
cout << "Value = " << expression->evaluate() << endl;
inFile.close();
return 0;
}
void parseAssignments()
{
char assignop, delimiter;
string variable;
double value;
do
{
variable = parseName();
cin >> ws >> assignop >> value >> delimiter;
symbolTable.insert(variable, value);
}
while (delimiter == ',');
}