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added inp and err instructions

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This commit is contained in:
Bob Polis 2020-09-21 10:17:16 +02:00
parent c41883c11a
commit b46fae13d7
2 changed files with 18 additions and 2 deletions
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16
interpreter.cpp
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@ -121,7 +121,9 @@ void interpreter::exec_instruction(const std::string& code, bool& done) {
else if (code == "fun") fun(); else if (code == "fun") fun();
else if (code == "ret") ret(); else if (code == "ret") ret();
else if (code == "enl") enl(); else if (code == "enl") enl();
else if (code == "out") out(); // for debugging else if (code == "inp") inp();
else if (code == "out") out();
else if (code == "err") err();
else throw syntax_error {code}; else throw syntax_error {code};
} }
@ -387,7 +389,19 @@ void interpreter::ret() {
// debugging -------------------------------------------------------------- // debugging --------------------------------------------------------------
void interpreter::inp() {
std::string val;
std::cin >> val;
_stack.push_back(val);
_pc++;
}
void interpreter::out() { void interpreter::out() {
std::cout << _stack.back() << '\n'; std::cout << _stack.back() << '\n';
_pc++; _pc++;
} }
void interpreter::err() {
std::cerr << _stack.back() << '\n';
_pc++;
}

4
interpreter.hpp
View File

@ -72,8 +72,10 @@ class interpreter {
void fun(); void fun();
void ret(); void ret();
// debugging // I/O
void inp();
void out(); void out();
void err();
}; };
#endif // _interpreter_H_ #endif // _interpreter_H_