static bool simulator_view(WINDOW *out, WINDOW *state, struct program *program,
enum STATE *current_state)
{
int input;
static int timeout = 0;
set_state(current_state);
while (1) {
wtimeout(state, timeout);
input = wgetch(status);
if (program->simulator.memory[program->simulator.PC].isBreakpoint) {
popup_window("Breakpoint hit!", 0, true);
program->simulator.isPaused = true;
program->simulator.memory[program->simulator.PC]
.isBreakpoint = false;
}
if (QUIT == input) {
return false;
} else if (GOBACK == input) {
*current_state = MAIN;
program->simulator.isPaused = true;
return true;
} else if (PAUSE == input) {
program->simulator.isPaused = !program->simulator.isPaused;
} else if (START == input || RUN == input) {
program->simulator.isPaused = program->simulator.isHalted;
} else if (RESTART == input) {
memPopulated = -1;
init_machine(program);
wclear(out);
wrefresh(out);
} else if (STEP_NEXT == input) {
executeNext(&(program->simulator), output);
program->simulator.isPaused = true;
printState(&(program->simulator), state);
} else if (CONTINUE == input) {
memPopulated = -1;
init_machine(program);
} else if (CONTINUE_RUN == input) {
memPopulated = -1;
init_machine(program);
program->simulator.isPaused = false;
}
if (!program->simulator.isPaused && !program->simulator.isHalted) {
executeNext(&(program->simulator), out);
timeout = 0;
} else {
set_state(current_state);
printState(&(program->simulator), state);
timeout = -1;
generateContext(context, program, 0, program->simulator.PC);
}
}
}
void ConvertIntegerBool::calculate()
{
Component::calculate();
if (!m_recursionLocked)
{
m_recursionLocked = true;
bool state, oldState;
state = oldState = getOutput()->getOutput();
int input = getInput()->getInput();
if (getFalseThreshold().value() <= getTrueThreshold().value())
{
if(input >= getTrueThreshold().value())
{
state = true;
}
else if(input <= getFalseThreshold().value())
{
state = false;
}
}
else
{
if(input <= getTrueThreshold().value())
{
state = true;
}
else if(input >= getFalseThreshold().value())
{
state = false;
}
}
if (state != oldState)
{
getOutput()->setOutput(state, false);
if (getOutput()->getWireProperty())
{
getOutput()->getWireProperty()->execute();
}
}
m_recursionLocked = false;
}
else
{
executeNext();
}
}
/** Executes the simulation of this component */
void ConvertBoolFloat::calculate()
{
Component::calculate();
if (!m_recursionLocked)
{
m_recursionLocked = true;
double d = getInput()->getInput() ? getTrueValue() : getFalseValue();
getOutput()->setOutput(d, false);
if (getOutput()->getWireProperty())
{
getOutput()->getWireProperty()->execute();
}
m_recursionLocked = false;
}
else
{
executeNext();
}
}
void ExtConnIntegerIn::calculate()
{
// Protect against infinite recursion
if (!isRecursionLocked())
{
setRecursionLocked(true);
ExternalConnector::calculate();
ConnectorIntegerOut * out = (ConnectorIntegerOut *)getInternalConn();
ConnectorIntegerIn * in = (ConnectorIntegerIn *)getUsedExternalConn();
out->setOutput(in->getInput(), false);
if (out->getWireProperty())
{
out->getWireProperty()->execute();
}
setRecursionLocked(false);
}
else
{
executeNext();
}
}
int main(int argc, char** argv) {
if (argc == 1) {
return 0;
}
// Check input for validity.
if (!validateInput(argc - 1, &argv[1])) {
return -1;
}
// Count number of processes on the pipeline.
for (int i = 0; argv[i] != 0; ++i) {
if (!strcmp(argv[i], "|")) {
++numProcesses;
}
}
// Open files as needed for I/O redirection.
int bound = argc - 1;
for (int i = 0; i < bound; ++i) {
int erase_redirect = 0;
// Find output redirect if it exists and open the pipe.
if (!strcmp(argv[i], ">")) {
write_fd = open(argv[i+1], O_CREAT | O_WRONLY);
if (write_fd < 0) {
perror(argv[i+1]);
exit(-1);
}
dup2(write_fd, 1);
close(write_fd);
erase_redirect = 1;
}
// Find input redirect if it exists and get the file descriptor for it.
if (!strcmp(argv[i], "<")) {
read_fd = open(argv[i+1], O_RDONLY);
if (read_fd < 0) {
perror(argv[i+1]);
exit(-1);
}
erase_redirect = 1;
}
// If a redirect is detected, eliminate the arguments and continue
// processing.
if (erase_redirect) {
for (int j = i; j < bound - 1; ++j) {
argv[j] = argv[j+2];
}
argc -= 2;
bound -= 2;
erase_redirect = 0;
--i;
}
}
// Get first command to execute.
curIndex = argc - 1;
prevIndex = curIndex;
curIndex = nextSpecial(curIndex, argv);
if (curIndex == -1) curIndex = 0;
getNextCommand(curIndex + 1, prevIndex, argv);
// If there are multiple processes, enter function to execute all processes.
if (numProcesses > 1) {
executeNext(argc, argv);
}
// Otherwise, redirect stdin if needed and execute the command.
else {
if (read_fd != -1) {
dup2(read_fd, 0);
close(read_fd);
}
execvp(command[0], command);
}
freeCommand();
}