static void Calculate(GtkWidget *Widget, gpointer EvalWindow)
{
SilikoSyntaxTreeNode *ResultTree =
SilikoParseInfix(
SilikoStringSourceNew(
gtk_entry_get_text(
GTK_ENTRY(
gtk_builder_get_object(GTK_BUILDER(EvalWindow), "Input")))));
SilikoValue Value = SilikoSyntaxTreeEvaluate(ResultTree);
SilikoSyntaxTreeDelete(ResultTree);
char *ResultString = SilikoValueToString(Value);
gtk_label_set_text(
GTK_LABEL(
gtk_builder_get_object(
GTK_BUILDER(EvalWindow), "Output")),
ResultString);
free(ResultString);
}
int main(int argc, char *argv[])
{
SilikoValue value;
SilikoSyntaxTreeNode *tree;
const char *prompt;
const char *response;
if (ISATTY())
{
prompt = "> ";
response = "= ";
}
else
{
prompt = "";
response = "";
}
SilikoFunctionCallerSetUp();
char *expression = NULL;
char *old_expression = NULL;
while(-1)
{
expression = readline(prompt);
if(!expression)
{
free(old_expression);
old_expression = NULL;
break;
}
if(*expression && (!old_expression || strcmp(expression, old_expression) != 0))
add_history(expression);
free(old_expression);
old_expression = NULL;
tree = SilikoParseInfix(
SilikoStringSourceNew(expression));
value = SilikoSyntaxTreeEvaluate(tree);
SilikoSyntaxTreeDelete(tree);
char *ResultString = SilikoValueToString(value);
printf("%s\n", ResultString);
free(ResultString);
old_expression = expression;
}
SilikoFunctionCallerTearDown();
if (ISATTY())
{
fputc('\n', stdout);
fflush(stdout);
}
return 0;
}