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dump_cmds_json: Output groups

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Also output `pass->location.{file_name,line,function_name}()`.
If no group is given (i.e. it is "unknown"), attempt to automatically apply a group.
If we have source locations, this is based on path to the source file.
If we do not have source locations, try to match on the pass name instead.
This commit is contained in:
Krystine Sherwin 2025-07-21 10:34:32 +12:00
parent 1c627f4a1b
commit 7b625591c8
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1 changed files with 44 additions and 1 deletions
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45
kernel/register.cc
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@ -27,6 +27,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <filesystem>
YOSYS_NAMESPACE_BEGIN
@ -814,6 +815,7 @@ struct HelpPass : public Pass {
json.entry("generator", yosys_version_str);
bool raise_error = false;
std::map<string, vector<string>> groups;
json.name("cmds"); json.begin_object();
// iterate over commands
@ -954,6 +956,42 @@ struct HelpPass : public Pass {
}
}
// attempt auto group
if (!cmd_help.has_group()) {
string source_file = pass->location.file_name();
bool has_source = source_file.compare("unknown") != 0;
if (source_file.find("backends/") == 0 || (!has_source && name.find("read_") == 0))
cmd_help.group = "backends";
else if (source_file.find("frontends/") == 0 || (!has_source && name.find("write_") == 0))
cmd_help.group = "frontends";
else if (source_file.find("techlibs/") == 0 || (!has_source && name.find("synth_") == 0))
cmd_help.group = "techlibs";
else if (has_source) {
auto p = std::filesystem::path(source_file);
if (p.has_parent_path()) {
cmd_help.group = string(p.parent_path());
}
}
// implicit !has_source
else if (name.find("equiv") == 0)
cmd_help.group = "passes/equiv";
else if (name.find("fsm") == 0)
cmd_help.group = "passes/fsm";
else if (name.find("memory") == 0)
cmd_help.group = "passes/memory";
else if (name.find("opt") == 0)
cmd_help.group = "passes/opt";
else if (name.find("proc") == 0)
cmd_help.group = "passes/proc";
else if (name.find("test") == 0)
cmd_help.group = "passes/tests";
}
if (groups.count(cmd_help.group) == 0) {
groups[cmd_help.group] = vector<string>();
}
groups[cmd_help.group].push_back(name);
// write to json
json.name(name.c_str()); json.begin_object();
json.entry("title", title);
@ -961,12 +999,17 @@ struct HelpPass : public Pass {
for (auto content : cmd_help.get_content())
json.value(content->to_json());
json.end_array();
json.entry("source_file", cmd_help.source_file());
json.entry("group", cmd_help.group);
json.entry("source_file", pass->location.file_name());
json.entry("source_line", pass->location.line());
json.entry("source_func", pass->location.function_name());
json.entry("experimental_flag", experimental_flag);
json.end_object();
}
json.end_object();
json.entry("groups", groups);
json.end_object();
return raise_error;
}