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Added support for backslash continuation in script files

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This commit is contained in:
Clifford Wolf 2014-02-06 01:28:33 +01:00
parent 849fd62cfe
commit 19029f377b
1 changed files with 13 additions and 2 deletions
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15
kernel/driver.cc
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@ -39,10 +39,13 @@ bool fgetline(FILE *f, std::string &buffer)
if (fgets(block, 4096, f) == NULL)
return false;
buffer += block;
if (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r'))
if (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r')) {
while (buffer.size() > 0 && (buffer[buffer.size()-1] == '\n' || buffer[buffer.size()-1] == '\r'))
buffer.resize(buffer.size()-1);
return true;
}
}
}
static void run_frontend(std::string filename, std::string command, RTLIL::Design *design, std::string *backend_command)
{
@ -67,8 +70,16 @@ static void run_frontend(std::string filename, std::string command, RTLIL::Desig
if (f == NULL)
log_error("Can't open script file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
std::string command;
while (fgetline(f, command))
while (fgetline(f, command)) {
while (!command.empty() && command[command.size()-1] == '\\') {
std::string next_line;
if (!fgetline(f, next_line))
break;
command.resize(command.size()-1);
command += next_line;
}
Pass::call(design, command);
}
if (!command.empty())
Pass::call(design, command);
if (filename != "-")