Removed 4096 bytes limit for size of command from script file

diff --git a/kernel/driver.cc b/kernel/driver.cc
index 8374afa7fd670dabc42804b32cf5026cb6b005ed..a397a16cc779a79a25d85ec734c4ad48756bd10f 100644 (file)
--- a/kernel/driver.cc
+++ b/kernel/driver.cc
@@ -28,6 +28,19 @@
 #include "kernel/register.h"
 #include "kernel/log.h"
 
+bool fgetline(FILE *f, std::string &buffer)
+{
+       buffer = "";
+       char block[4096];
+       while (1) {
+               if (fgets(block, 4096, f) == NULL)
+                       return false;
+               buffer += block;
+               if (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' ||  buffer[buffer.size()-1] == '\r'))
+                       return true;
+       }
+}
+
 static void run_frontend(std::string filename, std::string command, RTLIL::Design *design, std::string *backend_command)
 {
        if (command == "auto") {
@@ -50,9 +63,13 @@ static void run_frontend(std::string filename, std::string command, RTLIL::Desig
                        f = fopen(filename.c_str(), "r");
                if (f == NULL)
                        log_error("Can't open script file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
-               char buffer[4096];
-               while (fgets(buffer, 4096, f) != NULL) {
-                       Pass::call(design, buffer);
+               std::string command;
+               while (fgetline(f, command)) {
+                       Pass::call(design, command);
+                       design->check();
+               }
+               if (!command.empty()) {
+                       Pass::call(design, command);
                        design->check();
                }
                if (filename != "-")