#pragma once #include "compiler.h" #include "vm.h" enum InputResult { NEED_MORE_LINES = 0, EXEC_STARTED = 1, EXEC_SKIPPED = 2, }; class REPL { protected: int need_more_lines = 0; std::string buffer; VM* vm; InputResult lastResult = EXEC_SKIPPED; public: REPL(VM* vm) : vm(vm){ (*vm->_stdout) << ("pocketpy " PK_VERSION " (" __DATE__ ", " __TIME__ ")\n"); (*vm->_stdout) << ("https://github.com/blueloveTH/pocketpy" "\n"); (*vm->_stdout) << ("Type \"exit()\" to exit." "\n"); } InputResult last_input_result() const { return lastResult; } void input(std::string line){ if(need_more_lines){ buffer += line; buffer += '\n'; int n = buffer.size(); if(n>=need_more_lines){ for(int i=buffer.size()-need_more_lines; icompile(line, "", SINGLE_MODE); }catch(NeedMoreLines& ne){ buffer += line; buffer += '\n'; need_more_lines = ne.isClassDef ? 3 : 2; if (need_more_lines) { lastResult = NEED_MORE_LINES; } return; }catch(...){ // do nothing } lastResult = EXEC_STARTED; vm->execAsync(line, "", SINGLE_MODE); } };