2 * yosys -- Yosys Open SYnthesis Suite
4 * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include "kernel/yosys.h"
22 #ifdef YOSYS_ENABLE_READLINE
23 # include <readline/readline.h>
24 # include <readline/history.h>
27 #ifdef YOSYS_ENABLE_PLUGINS
34 #elif defined(__APPLE__)
35 # include <mach-o/dyld.h>
39 # include <sys/types.h>
40 # include <sys/stat.h>
49 RTLIL::Design
*yosys_design
= NULL
;
51 #ifdef YOSYS_ENABLE_TCL
52 Tcl_Interp
*yosys_tcl_interp
= NULL
;
55 std::string
stringf(const char *fmt
, ...)
61 string
= vstringf(fmt
, ap
);
67 std::string
vstringf(const char *fmt
, va_list ap
)
77 str
= (char*)realloc(str
, sz
);
78 rc
= vsnprintf(str
, sz
, fmt
, apc
);
80 if (rc
>= 0 && rc
< sz
)
85 if (vasprintf(&str
, fmt
, ap
) < 0)
97 std::string
next_token(std::string
&text
, const char *sep
)
99 size_t pos_begin
= text
.find_first_not_of(sep
);
101 if (pos_begin
== std::string::npos
)
102 pos_begin
= text
.size();
104 size_t pos_end
= text
.find_first_of(sep
, pos_begin
);
106 if (pos_end
== std::string::npos
)
107 pos_end
= text
.size();
109 std::string token
= text
.substr(pos_begin
, pos_end
-pos_begin
);
110 text
= text
.substr(pos_end
);
114 // this is very similar to fnmatch(). the exact rules used by this
117 // ? matches any character except
118 // * matches any sequence of characters
119 // [...] matches any of the characters in the list
120 // [!..] matches any of the characters not in the list
122 // a backslash may be used to escape the next characters in the
123 // pattern. each special character can also simply match itself.
125 bool patmatch(const char *pattern
, const char *string
)
130 if (*pattern
== '\\') {
131 if (pattern
[1] == string
[0] && patmatch(pattern
+2, string
+1))
135 if (*pattern
== '?') {
138 return patmatch(pattern
+1, string
+1);
141 if (*pattern
== '*') {
143 if (patmatch(pattern
+1, string
++))
146 return pattern
[1] == 0;
149 if (*pattern
== '[') {
150 bool found_match
= false;
151 bool inverted_list
= pattern
[1] == '!';
152 const char *p
= pattern
+ (inverted_list
? 1 : 0);
156 if (found_match
!= inverted_list
&& patmatch(p
+1, string
+1))
170 if (*pattern
== *string
)
171 return patmatch(pattern
+1, string
+1);
176 int run_command(const std::string
&command
, std::function
<void(const std::string
&)> process_line
)
179 return system(command
.c_str());
181 FILE *f
= popen(command
.c_str(), "r");
187 while (fgets(logbuf
, 128, f
) != NULL
) {
189 if (!line
.empty() && line
.back() == '\n')
190 process_line(line
), line
.clear();
201 return WEXITSTATUS(ret
);
205 std::string
make_temp_file(std::string template_str
)
208 if (template_str
.rfind("/tmp/", 0) == 0) {
210 char longpath
[MAX_PATH
+ 1];
211 char shortpath
[MAX_PATH
+ 1];
213 WCHAR longpath
[MAX_PATH
+ 1];
214 TCHAR shortpath
[MAX_PATH
+ 1];
216 if (!GetTempPath(MAX_PATH
+1, longpath
))
217 log_error("GetTempPath() failed.\n");
218 if (!GetShortPathName(longpath
, shortpath
, MAX_PATH
+ 1))
219 log_error("GetShortPathName() failed.\n");
221 for (int i
= 0; shortpath
[i
]; i
++)
222 path
+= char(shortpath
[i
]);
223 template_str
= stringf("%s\\%s", path
.c_str(), template_str
.c_str() + 5);
226 size_t pos
= template_str
.rfind("XXXXXX");
227 log_assert(pos
!= std::string::npos
);
230 for (int i
= 0; i
< 6; i
++) {
231 static std::string y
= "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
232 static uint32_t x
= 314159265 ^ uint32_t(time(NULL
));
233 x
^= x
<< 13, x
^= x
>> 17, x
^= x
<< 5;
234 template_str
[pos
+i
] = y
[x
% y
.size()];
236 if (_access(template_str
.c_str(), 0) != 0)
240 size_t pos
= template_str
.rfind("XXXXXX");
241 log_assert(pos
!= std::string::npos
);
243 int suffixlen
= GetSize(template_str
) - pos
- 6;
245 char *p
= strdup(template_str
.c_str());
246 close(mkstemps(p
, suffixlen
));
254 std::string
make_temp_dir(std::string template_str
)
257 template_str
= make_temp_file(template_str
);
258 mkdir(template_str
.c_str());
261 size_t pos
= template_str
.rfind("XXXXXX");
262 log_assert(pos
!= std::string::npos
);
264 int suffixlen
= GetSize(template_str
) - pos
- 6;
265 log_assert(suffixlen
== 0);
267 char *p
= strdup(template_str
.c_str());
269 log_assert(p
!= NULL
);
278 bool check_file_exists(std::string filename
, bool)
280 return _access(filename
.c_str(), 0) == 0;
283 bool check_file_exists(std::string filename
, bool is_exec
)
285 return access(filename
.c_str(), is_exec
? X_OK
: F_OK
) == 0;
289 void remove_directory(std::string dirname
)
292 run_command(stringf("rmdir /s /q \"%s\"", dirname
.c_str()));
295 struct dirent
**namelist
;
296 int n
= scandir(dirname
.c_str(), &namelist
, nullptr, alphasort
);
298 for (int i
= 0; i
< n
; i
++) {
299 if (strcmp(namelist
[i
]->d_name
, ".") && strcmp(namelist
[i
]->d_name
, "..")) {
300 std::string buffer
= stringf("%s/%s", dirname
.c_str(), namelist
[i
]->d_name
);
301 if (!stat(buffer
.c_str(), &stbuf
) && S_ISREG(stbuf
.st_mode
)) {
302 log("Removing `%s'.\n", buffer
.c_str());
303 remove(buffer
.c_str());
305 remove_directory(buffer
);
310 log("Removing `%s'.\n", dirname
.c_str());
311 rmdir(dirname
.c_str());
315 int GetSize(RTLIL::Wire
*wire
)
322 Pass::init_register();
323 yosys_design
= new RTLIL::Design
;
327 void yosys_shutdown()
334 for (auto f
: log_files
)
340 Pass::done_register();
342 #ifdef YOSYS_ENABLE_TCL
343 if (yosys_tcl_interp
!= NULL
) {
344 Tcl_DeleteInterp(yosys_tcl_interp
);
346 yosys_tcl_interp
= NULL
;
350 #ifdef YOSYS_ENABLE_PLUGINS
351 for (auto &it
: loaded_plugins
)
354 loaded_plugins
.clear();
355 loaded_plugin_aliases
.clear();
359 RTLIL::IdString
new_id(std::string file
, int line
, std::string func
)
362 size_t pos
= file
.find_last_of("/\\");
364 size_t pos
= file
.find_last_of('/');
366 if (pos
!= std::string::npos
)
367 file
= file
.substr(pos
+1);
369 pos
= func
.find_last_of(':');
370 if (pos
!= std::string::npos
)
371 func
= func
.substr(pos
+1);
373 return stringf("$auto$%s:%d:%s$%d", file
.c_str(), line
, func
.c_str(), autoidx
++);
376 RTLIL::Design
*yosys_get_design()
381 const char *create_prompt(RTLIL::Design
*design
, int recursion_counter
)
383 static char buffer
[100];
384 std::string str
= "\n";
385 if (recursion_counter
> 1)
386 str
+= stringf("(%d) ", recursion_counter
);
388 if (!design
->selected_active_module
.empty())
389 str
+= stringf(" [%s]", RTLIL::unescape_id(design
->selected_active_module
).c_str());
390 if (!design
->selection_stack
.empty() && !design
->selection_stack
.back().full_selection
) {
391 if (design
->selected_active_module
.empty())
393 else if (design
->selection_stack
.back().selected_modules
.size() != 1 || design
->selection_stack
.back().selected_members
.size() != 0 ||
394 design
->selection_stack
.back().selected_modules
.count(design
->selected_active_module
) == 0)
397 snprintf(buffer
, 100, "%s> ", str
.c_str());
401 #ifdef YOSYS_ENABLE_TCL
402 static int tcl_yosys_cmd(ClientData
, Tcl_Interp
*interp
, int argc
, const char *argv
[])
404 std::vector
<std::string
> args
;
405 for (int i
= 1; i
< argc
; i
++)
406 args
.push_back(argv
[i
]);
408 if (args
.size() >= 1 && args
[0] == "-import") {
409 for (auto &it
: pass_register
) {
410 std::string tcl_command_name
= it
.first
;
411 if (tcl_command_name
== "proc")
412 tcl_command_name
= "procs";
414 if (Tcl_GetCommandInfo(interp
, tcl_command_name
.c_str(), &info
) != 0) {
415 log("[TCL: yosys -import] Command name collision: found pre-existing command `%s' -> skip.\n", it
.first
.c_str());
417 std::string tcl_script
= stringf("proc %s args { yosys %s {*}$args }", tcl_command_name
.c_str(), it
.first
.c_str());
418 Tcl_Eval(interp
, tcl_script
.c_str());
424 if (args
.size() == 1) {
425 Pass::call(yosys_get_design(), args
[0]);
429 Pass::call(yosys_get_design(), args
);
433 extern Tcl_Interp
*yosys_get_tcl_interp()
435 if (yosys_tcl_interp
== NULL
) {
436 yosys_tcl_interp
= Tcl_CreateInterp();
437 Tcl_CreateCommand(yosys_tcl_interp
, "yosys", tcl_yosys_cmd
, NULL
, NULL
);
439 return yosys_tcl_interp
;
442 struct TclPass
: public Pass
{
443 TclPass() : Pass("tcl", "execute a TCL script file") { }
444 virtual void help() {
446 log(" tcl <filename>\n");
448 log("This command executes the tcl commands in the specified file.\n");
449 log("Use 'yosys cmd' to run the yosys command 'cmd' from tcl.\n");
451 log("The tcl command 'yosys -import' can be used to import all yosys\n");
452 log("commands directly as tcl commands to the tcl shell. The yosys\n");
453 log("command 'proc' is wrapped using the tcl command 'procs' in order\n");
454 log("to avoid a name collision with the tcl builting command 'proc'.\n");
457 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
459 log_cmd_error("Missing script file.\n");
461 extra_args(args
, 1, design
, false);
462 if (Tcl_EvalFile(yosys_get_tcl_interp(), args
[1].c_str()) != TCL_OK
)
463 log_cmd_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(yosys_get_tcl_interp()));
468 #if defined(__linux__)
469 std::string
proc_self_dirname()
472 ssize_t buflen
= readlink("/proc/self/exe", path
, sizeof(path
));
474 log_error("readlink(\"/proc/self/exe\") failed: %s\n", strerror(errno
));
476 while (buflen
> 0 && path
[buflen
-1] != '/')
478 return std::string(path
, buflen
);
480 #elif defined(__APPLE__)
481 std::string
proc_self_dirname()
485 while (_NSGetExecutablePath(path
, &buflen
) != 0)
486 path
= (char *) realloc((void *) path
, buflen
);
487 while (buflen
> 0 && path
[buflen
-1] != '/')
489 return std::string(path
, buflen
);
491 #elif defined(_WIN32)
492 std::string
proc_self_dirname()
496 char longpath
[MAX_PATH
+ 1];
497 char shortpath
[MAX_PATH
+ 1];
499 WCHAR longpath
[MAX_PATH
+ 1];
500 TCHAR shortpath
[MAX_PATH
+ 1];
502 if (!GetModuleFileName(0, longpath
, MAX_PATH
+1))
503 log_error("GetModuleFileName() failed.\n");
504 if (!GetShortPathName(longpath
, shortpath
, MAX_PATH
+1))
505 log_error("GetShortPathName() failed.\n");
506 while (shortpath
[i
] != 0)
508 while (i
> 0 && shortpath
[i
-1] != '/' && shortpath
[i
-1] != '\\')
511 for (i
= 0; shortpath
[i
]; i
++)
512 path
+= char(shortpath
[i
]);
515 #elif defined(EMSCRIPTEN)
516 std::string
proc_self_dirname()
521 #error Dont know how to determine process executable base path!
524 std::string
proc_share_dirname()
526 std::string proc_self_path
= proc_self_dirname();
528 std::string proc_share_path
= proc_self_path
+ "share\\";
529 if (check_file_exists(proc_share_path
, true))
530 return proc_share_path
;
531 proc_share_path
= proc_self_path
+ "..\\share\\";
532 if (check_file_exists(proc_share_path
, true))
533 return proc_share_path
;
535 std::string proc_share_path
= proc_self_path
+ "share/";
536 if (check_file_exists(proc_share_path
, true))
537 return proc_share_path
;
538 proc_share_path
= proc_self_path
+ "../share/yosys/";
539 if (check_file_exists(proc_share_path
, true))
540 return proc_share_path
;
542 log_error("proc_share_dirname: unable to determine share/ directory!\n");
545 bool fgetline(FILE *f
, std::string
&buffer
)
550 if (fgets(block
, 4096, f
) == NULL
)
553 if (buffer
.size() > 0 && (buffer
[buffer
.size()-1] == '\n' || buffer
[buffer
.size()-1] == '\r')) {
554 while (buffer
.size() > 0 && (buffer
[buffer
.size()-1] == '\n' || buffer
[buffer
.size()-1] == '\r'))
555 buffer
.resize(buffer
.size()-1);
561 static void handle_label(std::string
&command
, bool &from_to_active
, const std::string
&run_from
, const std::string
&run_to
)
566 while (pos
< GetSize(command
) && (command
[pos
] == ' ' || command
[pos
] == '\t'))
569 while (pos
< GetSize(command
) && command
[pos
] != ' ' && command
[pos
] != '\t' && command
[pos
] != '\r' && command
[pos
] != '\n')
570 label
+= command
[pos
++];
572 if (label
.back() == ':' && GetSize(label
) > 1)
574 label
= label
.substr(0, GetSize(label
)-1);
575 command
= command
.substr(pos
);
577 if (label
== run_from
)
578 from_to_active
= true;
579 else if (label
== run_to
|| (run_from
== run_to
&& !run_from
.empty()))
580 from_to_active
= false;
584 void run_frontend(std::string filename
, std::string command
, RTLIL::Design
*design
, std::string
*backend_command
, std::string
*from_to_label
)
586 if (command
== "auto") {
587 if (filename
.size() > 2 && filename
.substr(filename
.size()-2) == ".v")
589 else if (filename
.size() > 2 && filename
.substr(filename
.size()-3) == ".sv")
590 command
= "verilog -sv";
591 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".il")
593 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".ys")
595 else if (filename
== "-")
598 log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename
.c_str());
601 if (command
== "script")
603 std::string run_from
, run_to
;
604 bool from_to_active
= true;
606 if (from_to_label
!= NULL
) {
607 size_t pos
= from_to_label
->find(':');
608 if (pos
== std::string::npos
) {
609 run_from
= *from_to_label
;
610 run_to
= *from_to_label
;
612 run_from
= from_to_label
->substr(0, pos
);
613 run_to
= from_to_label
->substr(pos
+1);
615 from_to_active
= run_from
.empty();
618 log("\n-- Executing script file `%s' --\n", filename
.c_str());
623 f
= fopen(filename
.c_str(), "r");
626 log_error("Can't open script file `%s' for reading: %s\n", filename
.c_str(), strerror(errno
));
628 FILE *backup_script_file
= Frontend::current_script_file
;
629 Frontend::current_script_file
= f
;
633 while (fgetline(f
, command
)) {
634 while (!command
.empty() && command
[command
.size()-1] == '\\') {
635 std::string next_line
;
636 if (!fgetline(f
, next_line
))
638 command
.resize(command
.size()-1);
639 command
+= next_line
;
641 handle_label(command
, from_to_active
, run_from
, run_to
);
643 Pass::call(design
, command
);
646 if (!command
.empty()) {
647 handle_label(command
, from_to_active
, run_from
, run_to
);
649 Pass::call(design
, command
);
652 catch (log_cmd_error_expection
) {
653 Frontend::current_script_file
= backup_script_file
;
654 throw log_cmd_error_expection();
657 Frontend::current_script_file
= backup_script_file
;
662 if (backend_command
!= NULL
&& *backend_command
== "auto")
663 *backend_command
= "";
668 if (filename
== "-") {
669 log("\n-- Parsing stdin using frontend `%s' --\n", command
.c_str());
671 log("\n-- Parsing `%s' using frontend `%s' --\n", filename
.c_str(), command
.c_str());
674 Frontend::frontend_call(design
, NULL
, filename
, command
);
677 void run_pass(std::string command
, RTLIL::Design
*design
)
679 log("\n-- Running pass `%s' --\n", command
.c_str());
681 Pass::call(design
, command
);
684 void run_backend(std::string filename
, std::string command
, RTLIL::Design
*design
)
686 if (command
== "auto") {
687 if (filename
.size() > 2 && filename
.substr(filename
.size()-2) == ".v")
689 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".il")
691 else if (filename
.size() > 5 && filename
.substr(filename
.size()-5) == ".blif")
693 else if (filename
== "-")
695 else if (filename
.empty())
698 log_error("Can't guess backend for output file `%s' (missing -b option)!\n", filename
.c_str());
701 if (filename
.empty())
704 if (filename
== "-") {
705 log("\n-- Writing to stdout using backend `%s' --\n", command
.c_str());
707 log("\n-- Writing to `%s' using backend `%s' --\n", filename
.c_str(), command
.c_str());
710 Backend::backend_call(design
, NULL
, filename
, command
);
713 #ifdef YOSYS_ENABLE_READLINE
714 static char *readline_cmd_generator(const char *text
, int state
)
716 static std::map
<std::string
, Pass
*>::iterator it
;
720 it
= pass_register
.begin();
724 for (; it
!= pass_register
.end(); it
++) {
725 if (it
->first
.substr(0, len
) == text
)
726 return strdup((it
++)->first
.c_str());
731 static char *readline_obj_generator(const char *text
, int state
)
733 static std::vector
<char*> obj_names
;
741 RTLIL::Design
*design
= yosys_get_design();
742 int len
= strlen(text
);
744 if (design
->selected_active_module
.empty())
746 for (auto &it
: design
->modules_
)
747 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
748 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
751 if (design
->modules_
.count(design
->selected_active_module
) > 0)
753 RTLIL::Module
*module
= design
->modules_
.at(design
->selected_active_module
);
755 for (auto &it
: module
->wires_
)
756 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
757 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
759 for (auto &it
: module
->memories
)
760 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
761 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
763 for (auto &it
: module
->cells_
)
764 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
765 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
767 for (auto &it
: module
->processes
)
768 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
769 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
772 std::sort(obj_names
.begin(), obj_names
.end());
775 if (idx
< obj_names
.size())
776 return strdup(obj_names
[idx
++]);
783 static char **readline_completion(const char *text
, int start
, int)
786 return rl_completion_matches(text
, readline_cmd_generator
);
787 if (strncmp(rl_line_buffer
, "read_", 5) && strncmp(rl_line_buffer
, "write_", 6))
788 return rl_completion_matches(text
, readline_obj_generator
);
793 void shell(RTLIL::Design
*design
)
795 static int recursion_counter
= 0;
798 log_cmd_error_throw
= true;
800 #ifdef YOSYS_ENABLE_READLINE
801 rl_readline_name
= "yosys";
802 rl_attempted_completion_function
= readline_completion
;
803 rl_basic_word_break_characters
= " \t\n";
806 char *command
= NULL
;
807 #ifdef YOSYS_ENABLE_READLINE
808 while ((command
= readline(create_prompt(design
, recursion_counter
))) != NULL
)
811 char command_buffer
[4096];
814 fputs(create_prompt(design
, recursion_counter
), stdout
);
816 if ((command
= fgets(command_buffer
, 4096, stdin
)) == NULL
)
819 if (command
[strspn(command
, " \t\r\n")] == 0)
821 #ifdef YOSYS_ENABLE_READLINE
822 add_history(command
);
825 char *p
= command
+ strspn(command
, " \t\r\n");
826 if (!strncmp(p
, "exit", 4)) {
828 p
+= strspn(p
, " \t\r\n");
834 log_assert(design
->selection_stack
.size() == 1);
835 Pass::call(design
, command
);
836 } catch (log_cmd_error_expection
) {
837 while (design
->selection_stack
.size() > 1)
838 design
->selection_stack
.pop_back();
846 log_cmd_error_throw
= false;
849 struct ShellPass
: public Pass
{
850 ShellPass() : Pass("shell", "enter interactive command mode") { }
851 virtual void help() {
855 log("This command enters the interactive command mode. This can be useful\n");
856 log("in a script to interrupt the script at a certain point and allow for\n");
857 log("interactive inspection or manual synthesis of the design at this point.\n");
859 log("The command prompt of the interactive shell indicates the current\n");
860 log("selection (see 'help select'):\n");
863 log(" the entire design is selected\n");
866 log(" only part of the design is selected\n");
868 log(" yosys [modname]>\n");
869 log(" the entire module 'modname' is selected using 'select -module modname'\n");
871 log(" yosys [modname]*>\n");
872 log(" only part of current module 'modname' is selected\n");
874 log("When in interactive shell, some errors (e.g. invalid command arguments)\n");
875 log("do not terminate yosys but return to the command prompt.\n");
877 log("This command is the default action if nothing else has been specified\n");
878 log("on the command line.\n");
880 log("Press Ctrl-D or type 'exit' to leave the interactive shell.\n");
883 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
884 extra_args(args
, 1, design
, false);
889 #ifdef YOSYS_ENABLE_READLINE
890 struct HistoryPass
: public Pass
{
891 HistoryPass() : Pass("history", "show last interactive commands") { }
892 virtual void help() {
896 log("This command prints all commands in the shell history buffer. This are\n");
897 log("all commands executed in an interactive session, but not the commands\n");
898 log("from executed scripts.\n");
901 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
902 extra_args(args
, 1, design
, false);
903 for(HIST_ENTRY
**list
= history_list(); *list
!= NULL
; list
++)
904 log("%s\n", (*list
)->line
);
909 struct ScriptPass
: public Pass
{
910 ScriptPass() : Pass("script", "execute commands from script file") { }
911 virtual void help() {
913 log(" script <filename> [<from_label>:<to_label>]\n");
915 log("This command executes the yosys commands in the specified file.\n");
917 log("The 2nd argument can be used to only execute the section of the\n");
918 log("file between the specified labels. An empty from label is synonymous\n");
919 log("for the beginning of the file and an empty to label is synonymous\n");
920 log("for the end of the file.\n");
922 log("If only one label is specified (without ':') then only the block\n");
923 log("marked with that label (until the next label) is executed.\n");
926 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
928 log_cmd_error("Missing script file.\n");
929 else if (args
.size() == 2)
930 run_frontend(args
[1], "script", design
, NULL
, NULL
);
931 else if (args
.size() == 3)
932 run_frontend(args
[1], "script", design
, NULL
, &args
[2]);
934 extra_args(args
, 2, design
, false);