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Added ScriptPass helper class for script-like passes

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This commit is contained in:
Clifford Wolf 2016-03-31 11:16:34 +02:00
parent 6cafd08ac1
commit 2553319081
5 changed files with 255 additions and 251 deletions
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59
kernel/register.cc
View file

@ -80,6 +80,7 @@ Pass::pre_post_exec_state_t Pass::pre_execute()
state.begin_ns = PerformanceTimer::query();
state.parent_pass = current_pass;
current_pass = this;
clear_flags();
return state;
}
@ -99,6 +100,10 @@ void Pass::help()
log("\n");
}
void Pass::clear_flags()
{
}
void Pass::cmd_log_args(const std::vector<std::string> &args)
{
if (args.size() <= 1)
@ -282,6 +287,60 @@ void Pass::call_on_module(RTLIL::Design *design, RTLIL::Module *module, std::vec
design->selected_active_module = backup_selected_active_module;
}
bool ScriptPass::check_label(std::string label, std::string info)
{
if (active_design == nullptr) {
log("\n");
if (info.empty())
log(" %s:\n", label.c_str());
else
log(" %s: %s\n", label.c_str(), info.c_str());
return true;
} else {
if (!active_run_from.empty() && active_run_from == active_run_to) {
block_active = (label == active_run_from);
} else {
if (label == active_run_from)
block_active = true;
if (label == active_run_to)
block_active = false;
}
return block_active;
}
}
void ScriptPass::run(std::string command, std::string info)
{
if (active_design == nullptr) {
if (info.empty())
log(" %s\n", command.c_str());
else
log(" %s %s\n", command.c_str(), info.c_str());
} else
Pass::call(active_design, command);
}
void ScriptPass::run_script(RTLIL::Design *design, std::string run_from, std::string run_to)
{
help_mode = false;
active_design = design;
block_active = run_from.empty();
active_run_from = run_from;
active_run_to = run_to;
script();
}
void ScriptPass::help_script()
{
clear_flags();
help_mode = true;
active_design = nullptr;
block_active = true;
active_run_from.clear();
active_run_to.clear();
script();
}
Frontend::Frontend(std::string name, std::string short_help) :
Pass(name.rfind("=", 0) == 0 ? name.substr(1) : "read_" + name, short_help),
frontend_name(name.rfind("=", 0) == 0 ? name.substr(1) : name)

17
kernel/register.h
View file

@ -31,6 +31,7 @@ struct Pass
virtual ~Pass();
virtual void help();
virtual void clear_flags();
virtual void execute(std::vector<std::string> args, RTLIL::Design *design) = 0;
int call_counter;
@ -63,6 +64,22 @@ struct Pass
static void done_register();
};
struct ScriptPass : Pass
{
bool block_active, help_mode;
RTLIL::Design *active_design;
std::string active_run_from, active_run_to;
ScriptPass(std::string name, std::string short_help = "** document me **") : Pass(name, short_help) { }
virtual void script() = 0;
bool check_label(std::string label, std::string info = std::string());
void run(std::string command, std::string info = std::string());
void run_script(RTLIL::Design *design, std::string run_from = std::string(), std::string run_to = std::string());
void help_script();
};
struct Frontend : Pass
{
// for reading of here documents

6
kernel/yosys.cc
View file

@ -1100,8 +1100,8 @@ struct HistoryPass : public Pass {
} HistoryPass;
#endif
struct ScriptPass : public Pass {
ScriptPass() : Pass("script", "execute commands from script file") { }
struct ScriptCmdPass : public Pass {
ScriptCmdPass() : Pass("script", "execute commands from script file") { }
virtual void help() {
log("\n");
log(" script <filename> [<from_label>:<to_label>]\n");
@ -1127,7 +1127,7 @@ struct ScriptPass : public Pass {
else
extra_args(args, 2, design, false);
}
} ScriptPass;
} ScriptCmdPass;
YOSYS_NAMESPACE_END