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>
38 # include <sys/stat.h>
42 # include <sys/types.h>
43 # include <sys/stat.h>
52 RTLIL::Design
*yosys_design
= NULL
;
54 #ifdef YOSYS_ENABLE_TCL
55 Tcl_Interp
*yosys_tcl_interp
= NULL
;
58 std::string
stringf(const char *fmt
, ...)
64 string
= vstringf(fmt
, ap
);
70 std::string
vstringf(const char *fmt
, va_list ap
)
80 str
= (char*)realloc(str
, sz
);
81 rc
= vsnprintf(str
, sz
, fmt
, apc
);
83 if (rc
>= 0 && rc
< sz
)
88 if (vasprintf(&str
, fmt
, ap
) < 0)
100 std::string
next_token(std::string
&text
, const char *sep
)
102 size_t pos_begin
= text
.find_first_not_of(sep
);
104 if (pos_begin
== std::string::npos
)
105 pos_begin
= text
.size();
107 size_t pos_end
= text
.find_first_of(sep
, pos_begin
);
109 if (pos_end
== std::string::npos
)
110 pos_end
= text
.size();
112 std::string token
= text
.substr(pos_begin
, pos_end
-pos_begin
);
113 text
= text
.substr(pos_end
);
117 // this is very similar to fnmatch(). the exact rules used by this
120 // ? matches any character except
121 // * matches any sequence of characters
122 // [...] matches any of the characters in the list
123 // [!..] matches any of the characters not in the list
125 // a backslash may be used to escape the next characters in the
126 // pattern. each special character can also simply match itself.
128 bool patmatch(const char *pattern
, const char *string
)
133 if (*pattern
== '\\') {
134 if (pattern
[1] == string
[0] && patmatch(pattern
+2, string
+1))
138 if (*pattern
== '?') {
141 return patmatch(pattern
+1, string
+1);
144 if (*pattern
== '*') {
146 if (patmatch(pattern
+1, string
++))
149 return pattern
[1] == 0;
152 if (*pattern
== '[') {
153 bool found_match
= false;
154 bool inverted_list
= pattern
[1] == '!';
155 const char *p
= pattern
+ (inverted_list
? 1 : 0);
159 if (found_match
!= inverted_list
&& patmatch(p
+1, string
+1))
173 if (*pattern
== *string
)
174 return patmatch(pattern
+1, string
+1);
179 int run_command(const std::string
&command
, std::function
<void(const std::string
&)> process_line
)
182 return system(command
.c_str());
184 FILE *f
= popen(command
.c_str(), "r");
190 while (fgets(logbuf
, 128, f
) != NULL
) {
192 if (!line
.empty() && line
.back() == '\n')
193 process_line(line
), line
.clear();
204 return WEXITSTATUS(ret
);
208 std::string
make_temp_file(std::string template_str
)
211 if (template_str
.rfind("/tmp/", 0) == 0) {
213 char longpath
[MAX_PATH
+ 1];
214 char shortpath
[MAX_PATH
+ 1];
216 WCHAR longpath
[MAX_PATH
+ 1];
217 TCHAR shortpath
[MAX_PATH
+ 1];
219 if (!GetTempPath(MAX_PATH
+1, longpath
))
220 log_error("GetTempPath() failed.\n");
221 if (!GetShortPathName(longpath
, shortpath
, MAX_PATH
+ 1))
222 log_error("GetShortPathName() failed.\n");
224 for (int i
= 0; shortpath
[i
]; i
++)
225 path
+= char(shortpath
[i
]);
226 template_str
= stringf("%s\\%s", path
.c_str(), template_str
.c_str() + 5);
229 size_t pos
= template_str
.rfind("XXXXXX");
230 log_assert(pos
!= std::string::npos
);
233 for (int i
= 0; i
< 6; i
++) {
234 static std::string y
= "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
235 static uint32_t x
= 314159265 ^ uint32_t(time(NULL
));
236 x
^= x
<< 13, x
^= x
>> 17, x
^= x
<< 5;
237 template_str
[pos
+i
] = y
[x
% y
.size()];
239 if (_access(template_str
.c_str(), 0) != 0)
243 size_t pos
= template_str
.rfind("XXXXXX");
244 log_assert(pos
!= std::string::npos
);
246 int suffixlen
= GetSize(template_str
) - pos
- 6;
248 char *p
= strdup(template_str
.c_str());
249 close(mkstemps(p
, suffixlen
));
257 std::string
make_temp_dir(std::string template_str
)
260 template_str
= make_temp_file(template_str
);
261 mkdir(template_str
.c_str());
264 size_t pos
= template_str
.rfind("XXXXXX");
265 log_assert(pos
!= std::string::npos
);
267 int suffixlen
= GetSize(template_str
) - pos
- 6;
268 log_assert(suffixlen
== 0);
270 char *p
= strdup(template_str
.c_str());
272 log_assert(p
!= NULL
);
281 bool check_file_exists(std::string filename
, bool)
283 return _access(filename
.c_str(), 0) == 0;
286 bool check_file_exists(std::string filename
, bool is_exec
)
288 return access(filename
.c_str(), is_exec
? X_OK
: F_OK
) == 0;
292 void remove_directory(std::string dirname
)
295 run_command(stringf("rmdir /s /q \"%s\"", dirname
.c_str()));
298 struct dirent
**namelist
;
299 int n
= scandir(dirname
.c_str(), &namelist
, nullptr, alphasort
);
301 for (int i
= 0; i
< n
; i
++) {
302 if (strcmp(namelist
[i
]->d_name
, ".") && strcmp(namelist
[i
]->d_name
, "..")) {
303 std::string buffer
= stringf("%s/%s", dirname
.c_str(), namelist
[i
]->d_name
);
304 if (!stat(buffer
.c_str(), &stbuf
) && S_ISREG(stbuf
.st_mode
)) {
305 log("Removing `%s'.\n", buffer
.c_str());
306 remove(buffer
.c_str());
308 remove_directory(buffer
);
313 log("Removing `%s'.\n", dirname
.c_str());
314 rmdir(dirname
.c_str());
318 int GetSize(RTLIL::Wire
*wire
)
325 Pass::init_register();
326 yosys_design
= new RTLIL::Design
;
330 void yosys_shutdown()
337 for (auto f
: log_files
)
343 Pass::done_register();
345 #ifdef YOSYS_ENABLE_TCL
346 if (yosys_tcl_interp
!= NULL
) {
347 Tcl_DeleteInterp(yosys_tcl_interp
);
349 yosys_tcl_interp
= NULL
;
353 #ifdef YOSYS_ENABLE_PLUGINS
354 for (auto &it
: loaded_plugins
)
357 loaded_plugins
.clear();
358 loaded_plugin_aliases
.clear();
362 RTLIL::IdString
new_id(std::string file
, int line
, std::string func
)
365 size_t pos
= file
.find_last_of("/\\");
367 size_t pos
= file
.find_last_of('/');
369 if (pos
!= std::string::npos
)
370 file
= file
.substr(pos
+1);
372 pos
= func
.find_last_of(':');
373 if (pos
!= std::string::npos
)
374 func
= func
.substr(pos
+1);
376 return stringf("$auto$%s:%d:%s$%d", file
.c_str(), line
, func
.c_str(), autoidx
++);
379 RTLIL::Design
*yosys_get_design()
384 const char *create_prompt(RTLIL::Design
*design
, int recursion_counter
)
386 static char buffer
[100];
387 std::string str
= "\n";
388 if (recursion_counter
> 1)
389 str
+= stringf("(%d) ", recursion_counter
);
391 if (!design
->selected_active_module
.empty())
392 str
+= stringf(" [%s]", RTLIL::unescape_id(design
->selected_active_module
).c_str());
393 if (!design
->selection_stack
.empty() && !design
->selection_stack
.back().full_selection
) {
394 if (design
->selected_active_module
.empty())
396 else if (design
->selection_stack
.back().selected_modules
.size() != 1 || design
->selection_stack
.back().selected_members
.size() != 0 ||
397 design
->selection_stack
.back().selected_modules
.count(design
->selected_active_module
) == 0)
400 snprintf(buffer
, 100, "%s> ", str
.c_str());
404 #ifdef YOSYS_ENABLE_TCL
405 static int tcl_yosys_cmd(ClientData
, Tcl_Interp
*interp
, int argc
, const char *argv
[])
407 std::vector
<std::string
> args
;
408 for (int i
= 1; i
< argc
; i
++)
409 args
.push_back(argv
[i
]);
411 if (args
.size() >= 1 && args
[0] == "-import") {
412 for (auto &it
: pass_register
) {
413 std::string tcl_command_name
= it
.first
;
414 if (tcl_command_name
== "proc")
415 tcl_command_name
= "procs";
417 if (Tcl_GetCommandInfo(interp
, tcl_command_name
.c_str(), &info
) != 0) {
418 log("[TCL: yosys -import] Command name collision: found pre-existing command `%s' -> skip.\n", it
.first
.c_str());
420 std::string tcl_script
= stringf("proc %s args { yosys %s {*}$args }", tcl_command_name
.c_str(), it
.first
.c_str());
421 Tcl_Eval(interp
, tcl_script
.c_str());
427 if (args
.size() == 1) {
428 Pass::call(yosys_get_design(), args
[0]);
432 Pass::call(yosys_get_design(), args
);
436 extern Tcl_Interp
*yosys_get_tcl_interp()
438 if (yosys_tcl_interp
== NULL
) {
439 yosys_tcl_interp
= Tcl_CreateInterp();
440 Tcl_CreateCommand(yosys_tcl_interp
, "yosys", tcl_yosys_cmd
, NULL
, NULL
);
442 return yosys_tcl_interp
;
445 struct TclPass
: public Pass
{
446 TclPass() : Pass("tcl", "execute a TCL script file") { }
447 virtual void help() {
449 log(" tcl <filename>\n");
451 log("This command executes the tcl commands in the specified file.\n");
452 log("Use 'yosys cmd' to run the yosys command 'cmd' from tcl.\n");
454 log("The tcl command 'yosys -import' can be used to import all yosys\n");
455 log("commands directly as tcl commands to the tcl shell. The yosys\n");
456 log("command 'proc' is wrapped using the tcl command 'procs' in order\n");
457 log("to avoid a name collision with the tcl builting command 'proc'.\n");
460 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
462 log_cmd_error("Missing script file.\n");
464 extra_args(args
, 1, design
, false);
465 if (Tcl_EvalFile(yosys_get_tcl_interp(), args
[1].c_str()) != TCL_OK
)
466 log_cmd_error("TCL interpreter returned an error: %s\n", Tcl_GetStringResult(yosys_get_tcl_interp()));
471 #if defined(__linux__)
472 std::string
proc_self_dirname()
475 ssize_t buflen
= readlink("/proc/self/exe", path
, sizeof(path
));
477 log_error("readlink(\"/proc/self/exe\") failed: %s\n", strerror(errno
));
479 while (buflen
> 0 && path
[buflen
-1] != '/')
481 return std::string(path
, buflen
);
483 #elif defined(__APPLE__)
484 std::string
proc_self_dirname()
488 while (_NSGetExecutablePath(path
, &buflen
) != 0)
489 path
= (char *) realloc((void *) path
, buflen
);
490 while (buflen
> 0 && path
[buflen
-1] != '/')
492 return std::string(path
, buflen
);
494 #elif defined(_WIN32)
495 std::string
proc_self_dirname()
499 char longpath
[MAX_PATH
+ 1];
500 char shortpath
[MAX_PATH
+ 1];
502 WCHAR longpath
[MAX_PATH
+ 1];
503 TCHAR shortpath
[MAX_PATH
+ 1];
505 if (!GetModuleFileName(0, longpath
, MAX_PATH
+1))
506 log_error("GetModuleFileName() failed.\n");
507 if (!GetShortPathName(longpath
, shortpath
, MAX_PATH
+1))
508 log_error("GetShortPathName() failed.\n");
509 while (shortpath
[i
] != 0)
511 while (i
> 0 && shortpath
[i
-1] != '/' && shortpath
[i
-1] != '\\')
514 for (i
= 0; shortpath
[i
]; i
++)
515 path
+= char(shortpath
[i
]);
518 #elif defined(EMSCRIPTEN)
519 std::string
proc_self_dirname()
524 #error Dont know how to determine process executable base path!
527 std::string
proc_share_dirname()
529 std::string proc_self_path
= proc_self_dirname();
531 std::string proc_share_path
= proc_self_path
+ "share\\";
532 if (check_file_exists(proc_share_path
, true))
533 return proc_share_path
;
534 proc_share_path
= proc_self_path
+ "..\\share\\";
535 if (check_file_exists(proc_share_path
, true))
536 return proc_share_path
;
538 std::string proc_share_path
= proc_self_path
+ "share/";
539 if (check_file_exists(proc_share_path
, true))
540 return proc_share_path
;
541 proc_share_path
= proc_self_path
+ "../share/yosys/";
542 if (check_file_exists(proc_share_path
, true))
543 return proc_share_path
;
545 log_error("proc_share_dirname: unable to determine share/ directory!\n");
548 bool fgetline(FILE *f
, std::string
&buffer
)
553 if (fgets(block
, 4096, f
) == NULL
)
556 if (buffer
.size() > 0 && (buffer
[buffer
.size()-1] == '\n' || buffer
[buffer
.size()-1] == '\r')) {
557 while (buffer
.size() > 0 && (buffer
[buffer
.size()-1] == '\n' || buffer
[buffer
.size()-1] == '\r'))
558 buffer
.resize(buffer
.size()-1);
564 static void handle_label(std::string
&command
, bool &from_to_active
, const std::string
&run_from
, const std::string
&run_to
)
569 while (pos
< GetSize(command
) && (command
[pos
] == ' ' || command
[pos
] == '\t'))
572 while (pos
< GetSize(command
) && command
[pos
] != ' ' && command
[pos
] != '\t' && command
[pos
] != '\r' && command
[pos
] != '\n')
573 label
+= command
[pos
++];
575 if (label
.back() == ':' && GetSize(label
) > 1)
577 label
= label
.substr(0, GetSize(label
)-1);
578 command
= command
.substr(pos
);
580 if (label
== run_from
)
581 from_to_active
= true;
582 else if (label
== run_to
|| (run_from
== run_to
&& !run_from
.empty()))
583 from_to_active
= false;
587 void run_frontend(std::string filename
, std::string command
, RTLIL::Design
*design
, std::string
*backend_command
, std::string
*from_to_label
)
589 if (command
== "auto") {
590 if (filename
.size() > 2 && filename
.substr(filename
.size()-2) == ".v")
592 else if (filename
.size() > 2 && filename
.substr(filename
.size()-3) == ".sv")
593 command
= "verilog -sv";
594 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".il")
596 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".ys")
598 else if (filename
== "-")
601 log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename
.c_str());
604 if (command
== "script")
606 std::string run_from
, run_to
;
607 bool from_to_active
= true;
609 if (from_to_label
!= NULL
) {
610 size_t pos
= from_to_label
->find(':');
611 if (pos
== std::string::npos
) {
612 run_from
= *from_to_label
;
613 run_to
= *from_to_label
;
615 run_from
= from_to_label
->substr(0, pos
);
616 run_to
= from_to_label
->substr(pos
+1);
618 from_to_active
= run_from
.empty();
621 log("\n-- Executing script file `%s' --\n", filename
.c_str());
626 f
= fopen(filename
.c_str(), "r");
629 log_error("Can't open script file `%s' for reading: %s\n", filename
.c_str(), strerror(errno
));
631 FILE *backup_script_file
= Frontend::current_script_file
;
632 Frontend::current_script_file
= f
;
636 while (fgetline(f
, command
)) {
637 while (!command
.empty() && command
[command
.size()-1] == '\\') {
638 std::string next_line
;
639 if (!fgetline(f
, next_line
))
641 command
.resize(command
.size()-1);
642 command
+= next_line
;
644 handle_label(command
, from_to_active
, run_from
, run_to
);
646 Pass::call(design
, command
);
649 if (!command
.empty()) {
650 handle_label(command
, from_to_active
, run_from
, run_to
);
652 Pass::call(design
, command
);
655 catch (log_cmd_error_expection
) {
656 Frontend::current_script_file
= backup_script_file
;
657 throw log_cmd_error_expection();
660 Frontend::current_script_file
= backup_script_file
;
665 if (backend_command
!= NULL
&& *backend_command
== "auto")
666 *backend_command
= "";
671 if (filename
== "-") {
672 log("\n-- Parsing stdin using frontend `%s' --\n", command
.c_str());
674 log("\n-- Parsing `%s' using frontend `%s' --\n", filename
.c_str(), command
.c_str());
677 Frontend::frontend_call(design
, NULL
, filename
, command
);
680 void run_pass(std::string command
, RTLIL::Design
*design
)
682 log("\n-- Running pass `%s' --\n", command
.c_str());
684 Pass::call(design
, command
);
687 void run_backend(std::string filename
, std::string command
, RTLIL::Design
*design
)
689 if (command
== "auto") {
690 if (filename
.size() > 2 && filename
.substr(filename
.size()-2) == ".v")
692 else if (filename
.size() > 3 && filename
.substr(filename
.size()-3) == ".il")
694 else if (filename
.size() > 5 && filename
.substr(filename
.size()-5) == ".blif")
696 else if (filename
== "-")
698 else if (filename
.empty())
701 log_error("Can't guess backend for output file `%s' (missing -b option)!\n", filename
.c_str());
704 if (filename
.empty())
707 if (filename
== "-") {
708 log("\n-- Writing to stdout using backend `%s' --\n", command
.c_str());
710 log("\n-- Writing to `%s' using backend `%s' --\n", filename
.c_str(), command
.c_str());
713 Backend::backend_call(design
, NULL
, filename
, command
);
716 #ifdef YOSYS_ENABLE_READLINE
717 static char *readline_cmd_generator(const char *text
, int state
)
719 static std::map
<std::string
, Pass
*>::iterator it
;
723 it
= pass_register
.begin();
727 for (; it
!= pass_register
.end(); it
++) {
728 if (it
->first
.substr(0, len
) == text
)
729 return strdup((it
++)->first
.c_str());
734 static char *readline_obj_generator(const char *text
, int state
)
736 static std::vector
<char*> obj_names
;
744 RTLIL::Design
*design
= yosys_get_design();
745 int len
= strlen(text
);
747 if (design
->selected_active_module
.empty())
749 for (auto &it
: design
->modules_
)
750 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
751 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
754 if (design
->modules_
.count(design
->selected_active_module
) > 0)
756 RTLIL::Module
*module
= design
->modules_
.at(design
->selected_active_module
);
758 for (auto &it
: module
->wires_
)
759 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
760 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
762 for (auto &it
: module
->memories
)
763 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
764 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
766 for (auto &it
: module
->cells_
)
767 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
768 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
770 for (auto &it
: module
->processes
)
771 if (RTLIL::unescape_id(it
.first
).substr(0, len
) == text
)
772 obj_names
.push_back(strdup(RTLIL::id2cstr(it
.first
)));
775 std::sort(obj_names
.begin(), obj_names
.end());
778 if (idx
< obj_names
.size())
779 return strdup(obj_names
[idx
++]);
786 static char **readline_completion(const char *text
, int start
, int)
789 return rl_completion_matches(text
, readline_cmd_generator
);
790 if (strncmp(rl_line_buffer
, "read_", 5) && strncmp(rl_line_buffer
, "write_", 6))
791 return rl_completion_matches(text
, readline_obj_generator
);
796 void shell(RTLIL::Design
*design
)
798 static int recursion_counter
= 0;
801 log_cmd_error_throw
= true;
803 #ifdef YOSYS_ENABLE_READLINE
804 rl_readline_name
= "yosys";
805 rl_attempted_completion_function
= readline_completion
;
806 rl_basic_word_break_characters
= " \t\n";
809 char *command
= NULL
;
810 #ifdef YOSYS_ENABLE_READLINE
811 while ((command
= readline(create_prompt(design
, recursion_counter
))) != NULL
)
814 char command_buffer
[4096];
817 fputs(create_prompt(design
, recursion_counter
), stdout
);
819 if ((command
= fgets(command_buffer
, 4096, stdin
)) == NULL
)
822 if (command
[strspn(command
, " \t\r\n")] == 0)
824 #ifdef YOSYS_ENABLE_READLINE
825 add_history(command
);
828 char *p
= command
+ strspn(command
, " \t\r\n");
829 if (!strncmp(p
, "exit", 4)) {
831 p
+= strspn(p
, " \t\r\n");
837 log_assert(design
->selection_stack
.size() == 1);
838 Pass::call(design
, command
);
839 } catch (log_cmd_error_expection
) {
840 while (design
->selection_stack
.size() > 1)
841 design
->selection_stack
.pop_back();
849 log_cmd_error_throw
= false;
852 struct ShellPass
: public Pass
{
853 ShellPass() : Pass("shell", "enter interactive command mode") { }
854 virtual void help() {
858 log("This command enters the interactive command mode. This can be useful\n");
859 log("in a script to interrupt the script at a certain point and allow for\n");
860 log("interactive inspection or manual synthesis of the design at this point.\n");
862 log("The command prompt of the interactive shell indicates the current\n");
863 log("selection (see 'help select'):\n");
866 log(" the entire design is selected\n");
869 log(" only part of the design is selected\n");
871 log(" yosys [modname]>\n");
872 log(" the entire module 'modname' is selected using 'select -module modname'\n");
874 log(" yosys [modname]*>\n");
875 log(" only part of current module 'modname' is selected\n");
877 log("When in interactive shell, some errors (e.g. invalid command arguments)\n");
878 log("do not terminate yosys but return to the command prompt.\n");
880 log("This command is the default action if nothing else has been specified\n");
881 log("on the command line.\n");
883 log("Press Ctrl-D or type 'exit' to leave the interactive shell.\n");
886 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
887 extra_args(args
, 1, design
, false);
892 #ifdef YOSYS_ENABLE_READLINE
893 struct HistoryPass
: public Pass
{
894 HistoryPass() : Pass("history", "show last interactive commands") { }
895 virtual void help() {
899 log("This command prints all commands in the shell history buffer. This are\n");
900 log("all commands executed in an interactive session, but not the commands\n");
901 log("from executed scripts.\n");
904 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
905 extra_args(args
, 1, design
, false);
906 for(HIST_ENTRY
**list
= history_list(); *list
!= NULL
; list
++)
907 log("%s\n", (*list
)->line
);
912 struct ScriptPass
: public Pass
{
913 ScriptPass() : Pass("script", "execute commands from script file") { }
914 virtual void help() {
916 log(" script <filename> [<from_label>:<to_label>]\n");
918 log("This command executes the yosys commands in the specified file.\n");
920 log("The 2nd argument can be used to only execute the section of the\n");
921 log("file between the specified labels. An empty from label is synonymous\n");
922 log("for the beginning of the file and an empty to label is synonymous\n");
923 log("for the end of the file.\n");
925 log("If only one label is specified (without ':') then only the block\n");
926 log("marked with that label (until the next label) is executed.\n");
929 virtual void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) {
931 log_cmd_error("Missing script file.\n");
932 else if (args
.size() == 2)
933 run_frontend(args
[1], "script", design
, NULL
, NULL
);
934 else if (args
.size() == 3)
935 run_frontend(args
[1], "script", design
, NULL
, &args
[2]);
937 extra_args(args
, 2, design
, false);