160 lines
4.0 KiB
C++
160 lines
4.0 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2025, Parallax Software, Inc.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
//
|
|
// The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software.
|
|
//
|
|
// Altered source versions must be plainly marked as such, and must not be
|
|
// misrepresented as being the original software.
|
|
//
|
|
// This notice may not be removed or altered from any source distribution.
|
|
|
|
#include "StaMain.hh"
|
|
|
|
#include <tcl.h>
|
|
#include <cstdlib>
|
|
#include <sys/stat.h>
|
|
|
|
#include "Machine.hh"
|
|
#include "StringUtil.hh"
|
|
#include "Vector.hh"
|
|
#include "Sta.hh"
|
|
|
|
namespace sta {
|
|
|
|
int
|
|
parseThreadsArg(int &argc,
|
|
char *argv[])
|
|
{
|
|
char *thread_arg = findCmdLineKey(argc, argv, "-threads");
|
|
if (thread_arg) {
|
|
if (stringEqual(thread_arg, "max"))
|
|
return processorCount();
|
|
else if (isDigits(thread_arg))
|
|
return atoi(thread_arg);
|
|
else
|
|
fprintf(stderr,"Warning: -threads must be max or a positive integer.\n");
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
bool
|
|
findCmdLineFlag(int &argc,
|
|
char *argv[],
|
|
const char *flag)
|
|
{
|
|
for (int i = 1; i < argc; i++) {
|
|
char *arg = argv[i];
|
|
if (stringEq(arg, flag)) {
|
|
// Remove flag from argv.
|
|
for (int j = i + 1; j < argc; j++, i++)
|
|
argv[i] = argv[j];
|
|
argc--;
|
|
argv[argc] = nullptr;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
char *
|
|
findCmdLineKey(int &argc,
|
|
char *argv[],
|
|
const char *key)
|
|
{
|
|
for (int i = 1; i < argc; i++) {
|
|
char *arg = argv[i];
|
|
if (stringEq(arg, key) && i + 1 < argc) {
|
|
char *value = argv[i + 1];
|
|
// Remove key and value from argv.
|
|
for (int j = i + 2; j < argc; j++, i++)
|
|
argv[i] = argv[j];
|
|
argc -= 2;
|
|
argv[argc] = nullptr;
|
|
return value;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
// Use overridden version of source to echo cmds and results.
|
|
int
|
|
sourceTclFile(const char *filename,
|
|
bool echo,
|
|
bool verbose,
|
|
Tcl_Interp *interp)
|
|
{
|
|
std::string cmd;
|
|
stringPrint(cmd, "sta::include_file %s %s %s",
|
|
filename,
|
|
echo ? "1" : "0",
|
|
verbose ? "1" : "0");
|
|
int code = Tcl_Eval(interp, cmd.c_str());
|
|
const char *result = Tcl_GetStringResult(interp);
|
|
if (result[0] != '\0')
|
|
printf("%s\n", result);
|
|
return code;
|
|
}
|
|
|
|
void
|
|
evalTclInit(Tcl_Interp *interp,
|
|
const char *inits[])
|
|
{
|
|
char *unencoded = unencode(inits);
|
|
if (Tcl_Eval(interp, unencoded) != TCL_OK) {
|
|
// Get a backtrace for the error.
|
|
Tcl_Eval(interp, "$errorInfo");
|
|
const char *tcl_err = Tcl_GetStringResult(interp);
|
|
fprintf(stderr, "Error: TCL init script: %s.\n", tcl_err);
|
|
fprintf(stderr, " Try deleting TclInitVar.cc and rebuilding.\n");
|
|
exit(0);
|
|
}
|
|
delete [] unencoded;
|
|
}
|
|
|
|
char *
|
|
unencode(const char *inits[])
|
|
{
|
|
size_t length = 0;
|
|
for (const char **e = inits; *e; e++) {
|
|
const char *init = *e;
|
|
length += strlen(init);
|
|
}
|
|
char *unencoded = new char[length / 3 + 1];
|
|
char *u = unencoded;
|
|
for (const char **e = inits; *e; e++) {
|
|
const char *init = *e;
|
|
size_t init_length = strlen(init);
|
|
for (const char *s = init; s < &init[init_length]; s += 3) {
|
|
char code[4] = {s[0], s[1], s[2], '\0'};
|
|
char ch = atoi(code);
|
|
*u++ = ch;
|
|
}
|
|
}
|
|
*u = '\0';
|
|
return unencoded;
|
|
}
|
|
|
|
// Hack until c++17 filesystem is better supported.
|
|
bool
|
|
is_regular_file(const char *filename)
|
|
{
|
|
struct stat sb;
|
|
return stat(filename, &sb) == 0 && S_ISREG(sb.st_mode);
|
|
}
|
|
|
|
} // namespace
|