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tcl: Don't exit repl on recoverable command errors

This commit is contained in:
Jannis Harder 2022-12-02 15:29:10 +01:00
parent 5524d5185d
commit 0f7b8b8d23
2 changed files with 36 additions and 4 deletions
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2
kernel/driver.cc
View File

@ -205,6 +205,7 @@ extern char yosys_path[PATH_MAX];
#ifdef YOSYS_ENABLE_TCL
namespace Yosys {
extern int yosys_tcl_iterp_init(Tcl_Interp *interp);
extern void yosys_tcl_activate_repl();
};
#endif
@ -584,6 +585,7 @@ int main(int argc, char **argv)
if (run_tcl_shell) {
#ifdef YOSYS_ENABLE_TCL
yosys_tcl_activate_repl();
Tcl_Main(argc, argv, yosys_tcl_iterp_init);
#else
log_error("Can't exectue TCL shell: this version of yosys is not built with TCL support enabled.\n");

38
kernel/yosys.cc
View File

@ -84,6 +84,7 @@ CellTypes yosys_celltypes;
#ifdef YOSYS_ENABLE_TCL
Tcl_Interp *yosys_tcl_interp = NULL;
bool yosys_tcl_repl_active = false;
#endif
std::set<std::string> yosys_input_files, yosys_output_files;
@ -773,12 +774,36 @@ static int tcl_yosys_cmd(ClientData, Tcl_Interp *interp, int argc, const char *a
yosys_get_design()->scratchpad_unset("result.json");
if (args.size() == 1) {
Pass::call(yosys_get_design(), args[0]);
} else {
Pass::call(yosys_get_design(), args);
bool in_repl = yosys_tcl_repl_active;
bool restore_log_cmd_error_throw = log_cmd_error_throw;
log_cmd_error_throw = true;
try {
if (args.size() == 1) {
Pass::call(yosys_get_design(), args[0]);
} else {
Pass::call(yosys_get_design(), args);
}
} catch (log_cmd_error_exception) {
if (in_repl) {
auto design = yosys_get_design();
while (design->selection_stack.size() > 1)
design->selection_stack.pop_back();
log_reset_stack();
}
Tcl_SetResult(interp, (char *)"Yosys command produced an error", TCL_STATIC);
yosys_tcl_repl_active = in_repl;
log_cmd_error_throw = restore_log_cmd_error_throw;
return TCL_ERROR;
} catch (...) {
log_error("uncaught exception during Yosys command invoked from TCL\n");
}
yosys_tcl_repl_active = in_repl;
log_cmd_error_throw = restore_log_cmd_error_throw;
auto &scratchpad = yosys_get_design()->scratchpad;
auto result = scratchpad.find("result.json");
if (result != scratchpad.end()) {
@ -805,6 +830,11 @@ int yosys_tcl_iterp_init(Tcl_Interp *interp)
return TCL_OK ;
}
void yosys_tcl_activate_repl()
{
yosys_tcl_repl_active = true;
}
extern Tcl_Interp *yosys_get_tcl_interp()
{
if (yosys_tcl_interp == NULL) {