KPGPMC/furlang
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feat(furdb): introduce info command

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This commit is contained in:
Aleksander Krajewski
2026-08-17 11:21:22 +02:00
parent 665982049d
commit 70cbb003f2
3 changed files with 82 additions and 0 deletions
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furdb/include/command.hpp
+5
View File
@@ -41,4 +41,9 @@ public:
void execute(context& ctx, const command_info& info) override;
};
class info_command final : public command {
public:
void execute(context& ctx, const command_info& info) override;
};
#endif // COMMAND_HPP
furdb/src/command.cpp
+76
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@@ -71,6 +71,61 @@ void run_command::execute(context& ctx, const command_info& info) {
ctx.run();
}
static void print_type(const furvm::thing_type& type) {
switch (type.type) {
case furvm::thing_type::S8: std::cout << "s8"; break;
case furvm::thing_type::S16: std::cout << "s16"; break;
case furvm::thing_type::S32: std::cout << "s32"; break;
case furvm::thing_type::S64: std::cout << "s64"; break;
case furvm::thing_type::U8: std::cout << "u8"; break;
case furvm::thing_type::U16: std::cout << "u16"; break;
case furvm::thing_type::U32: std::cout << "u32"; break;
case furvm::thing_type::U64: std::cout << "u64"; break;
case furvm::thing_type::Ptr: std::cout << "ptr"; break;
case furvm::thing_type::Ref: std::cout << "ref"; break;
case furvm::thing_type::Array:
std::cout << "array(";
print_type(*type.value.array.type);
std::cout << ", ";
if (type.value.array.size == 0)
std::cout << "dynamic";
else
std::cout << type.value.array.size;
std::cout << ")";
break;
case furvm::thing_type::Count: break;
}
}
static void print_thing(const furvm::thing<>& thing) {
std::cout << '(';
print_type(thing.type());
std::cout << ") ";
switch (thing.type().type) {
case furvm::thing_type::S8: std::cout << thing.get<furvm::thing_type::s8>(); break;
case furvm::thing_type::S16: std::cout << thing.get<furvm::thing_type::s16>(); break;
case furvm::thing_type::S32: std::cout << thing.get<furvm::thing_type::s32>(); break;
case furvm::thing_type::S64: std::cout << thing.get<furvm::thing_type::s64>(); break;
case furvm::thing_type::U8: std::cout << thing.get<furvm::thing_type::u8>(); break;
case furvm::thing_type::U16: std::cout << thing.get<furvm::thing_type::u16>(); break;
case furvm::thing_type::U32: std::cout << thing.get<furvm::thing_type::u32>(); break;
case furvm::thing_type::U64: std::cout << thing.get<furvm::thing_type::u64>(); break;
case furvm::thing_type::Ptr: std::cout << thing.get<const void*>(); break;
case furvm::thing_type::Array: {
if (thing.type().value.array.size == 0) std::cout << thing.length();
std::cout << "{ ";
for (std::size_t i = 0; i < thing.length(); ++i) {
if (i > 0) std::cout << ", ";
print_thing(thing.at(i));
}
std::cout << " }";
} break;
case furvm::thing_type::Ref:
case furvm::thing_type::Count: break;
}
std::cout << '\n';
}
static void breakpoint_hit(furvm::executor& executor, void* data) {
std::cout << "Breakpoint hit\n";
context* ctx = reinterpret_cast<context*>(data);
@@ -99,3 +154,24 @@ void break_command::execute(context& ctx, const command_info& info) {
}
std::cout << "Breakpoint set in " << count << " places\n";
}
void info_command::execute(context& ctx, const command_info& info) {
if (info.args.empty()) {
std::cout << "Possible arguments:\n";
std::cout << "- variables\n";
} else if (info.args[0] == "variables") {
if (ctx.executor->frames().empty()) {
std::cerr << "Not running\n";
return;
}
std::cout << "Variables:\n";
const auto& frame = ctx.executor->top_frame();
for (std::size_t i = 0; i < frame.variables.size(); ++i) {
// TODO: Add debug information to modules
std::cout << "- %" << i << " = ";
print_thing(frame.variables[i]);
}
} else {
std::cerr << "Unexpected argument \"" << info.args[0] << "\"\n";
}
}
furdb/src/main.cpp
+1
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@@ -46,6 +46,7 @@ int main(int argc, char** argv) {
s_commands["exit"] = s_commands["quit"] = s_commands["q"] = new quit_command();
s_commands["run"] = s_commands["r"] = new run_command();
s_commands["break"] = s_commands["b"] = new break_command();
s_commands["info"] = s_commands["i"] = new info_command();
try {
std::ifstream file(argv[1], std::ios::binary | std::ios::in);