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https://github.com/pocketpy/pocketpy
synced 2025-10-19 19:10:17 +00:00
Gsoc 2025 debugger (#387)
* add debugger module * simplify the workdir process * Update main.c * Update main.c * update debugger * change port to 6110 * Update main.c * simplify the workdir process and minor optimizations * implement exit event * Fix memory management in setBreakpoints * replace free to PK_FREE * Add custom command ready --------- Co-authored-by: blueloveTH <blueloveth@foxmail.com>
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lightovernight
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@ -47,7 +47,7 @@ inline static void init_structures() {
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c11_vector__ctor(&debugger.py_frames, sizeof(py_Frame*));
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c11_smallmap_d2index__ctor(&debugger.scopes_query_cache);
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py_newlist(python_vars);
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py_newnil(py_list_emplace(python_vars));
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py_newnone(py_list_emplace(python_vars));
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}
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inline static void clear_structures() {
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@ -91,7 +91,7 @@ C11_DEBUGGER_STATUS c11_debugger_on_trace(py_Frame* frame, enum py_TraceEvent ev
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case TRACE_EVENT_POP: debugger.curr_stack_depth--; break;
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default: break;
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}
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if(debugger.curr_stack_depth == 0) return C11_DEBUGGER_EXIT;
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// if(debugger.curr_stack_depth == 0) return C11_DEBUGGER_EXIT;
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return C11_DEBUGGER_SUCCESS;
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}
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@ -8,6 +8,7 @@
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X(initialize) \
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X(setBreakpoints) \
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X(attach) \
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X(launch) \
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X(next) \
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X(stepIn) \
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X(stepOut) \
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@ -16,7 +17,8 @@
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X(scopes) \
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X(variables) \
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X(threads) \
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X(configurationDone)
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X(configurationDone) \
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X(ready)
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#define DECLARE_HANDLE_FN(name) void c11_dap_handle_##name(py_Ref arguments, c11_sbuf*);
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DAP_COMMAND_LIST(DECLARE_HANDLE_FN)
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@ -36,9 +38,6 @@ static dap_command_entry dap_command_table[] = {
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#undef DAP_ENTRY
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// #undef DAP_COMMAND_LIST
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// static int dap_next_seq = 1;
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static struct c11_dap_server {
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int dap_next_seq;
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char buffer_data[1024];
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@ -48,6 +47,7 @@ static struct c11_dap_server {
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c11_socket_handler toclient;
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bool isconfiguredone;
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bool isatttach;
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bool isclientready;
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} server;
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void c11_dap_handle_initialize(py_Ref arguments, c11_sbuf* buffer) {
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@ -57,6 +57,10 @@ void c11_dap_handle_initialize(py_Ref arguments, c11_sbuf* buffer) {
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void c11_dap_handle_attach(py_Ref arguments, c11_sbuf* buffer) { server.isatttach = true; }
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void c11_dap_handle_launch(py_Ref arguments, c11_sbuf* buffer) { server.isatttach = true; }
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void c11_dap_handle_ready(py_Ref arguments, c11_sbuf* buffer) {server.isclientready = true;}
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void c11_dap_handle_next(py_Ref arguments, c11_sbuf* buffer) {
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c11_debugger_set_step_mode(C11_STEP_OVER);
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}
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@ -154,7 +158,7 @@ void c11_dap_handle_variables(py_Ref arguments, c11_sbuf* buffer) {
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const char* c11_dap_handle_request(const char* message) {
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if(!py_json_loads(message)) {
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py_printexc();
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return NULL;
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c11__abort("[DEBUGGER ERROR] invalid JSON request");
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}
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py_Ref py_request = py_pushtmp();
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py_Ref py_arguments = py_pushtmp();
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@ -222,14 +226,13 @@ void c11_dap_send_event(const char* event_name, const char* body_json) {
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char header[64];
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int header_len = snprintf(header, sizeof(header), "Content-Length: %d\r\n\r\n", json_len);
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// printf("[DEBUGGER INFO] send event %s\n", json);
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c11_socket_send(server.toclient, header, header_len);
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c11_socket_send(server.toclient, json, json_len);
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}
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void c11_dap_send_stop_event() {
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c11_dap_send_event("stopped",
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"{\"threadId\":1,\"allThreadsStopped\":true}");
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c11_dap_send_event("stopped", "{\"threadId\":1,\"allThreadsStopped\":true}");
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}
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void c11_dap_send_exited_event(int exitCode) {
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@ -263,7 +266,7 @@ int c11_dap_read_content_length(const char* buffer, int* header_length) {
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char* endptr = NULL;
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long value = strtol(length_begin, &endptr, 10);
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if(endptr == length_begin) {
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printf("[DEBUGGER EORRO] : the number is empty\n");
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printf("[DEBUGGER EORRO] : the length field is empty\n");
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*header_length = 0;
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return -1;
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}
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@ -321,16 +324,20 @@ void c11_dap_init_server(const char* hostname, unsigned short port) {
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server.isconfiguredone = false;
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server.buffer_begin = server.buffer_data;
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server.server = c11_socket_create(C11_AF_INET, C11_SOCK_STREAM, 0);
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server.isclientready = false;
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c11_socket_bind(server.server, hostname, port);
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c11_socket_listen(server.server, 0);
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printf("[DEBUGGER INFO] : listen on %s:%hu\n", hostname, port);
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}
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void c11_dap_waitforclient(const char* hostname, unsigned short port) {
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server.toclient = c11_socket_accept(server.server, NULL, NULL);
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printf("[DEBUGGER INFO] : connected client\n");
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printf("[DEBUGGER INFO] : connected a client\n");
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}
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inline static void c11_dap_handle_message() {
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const char* message = c11_dap_read_message();
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if(message == NULL) return;
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if(message == NULL) { return; }
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// printf("[DEBUGGER INFO] read request %s\n", message);
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const char* response_content = c11_dap_handle_request(message);
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// if(response_content != NULL) { printf("[DEBUGGER INFO] send response %s\n", response_content); }
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@ -350,6 +357,9 @@ void c11_dap_configure_debugger() {
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if(server.isatttach) {
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c11_dap_send_initialized_event();
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server.isatttach = false;
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} else if(server.isclientready) {
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server.isclientready = false;
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return;
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}
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}
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printf("[DEBUGGER INFO] : configure done\n");
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@ -389,15 +399,20 @@ void c11_dap_tracefunc(py_Frame* frame, enum py_TraceEvent event) {
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}
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void py_debugger_waitforattach(const char* hostname, unsigned short port) {
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c11_dap_init_server(hostname, port);
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c11_debugger_init();
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c11_dap_configure_debugger();
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c11_dap_init_server(hostname, port);
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while(!server.isconfiguredone) {
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c11_dap_waitforclient(hostname, port);
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c11_dap_configure_debugger();
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if(!server.isconfiguredone) {
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c11_socket_close(server.toclient);
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printf("[DEBUGGER INFO] : An clinet is ready\n");
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}
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}
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c11_socket_set_block(server.toclient, 0);
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py_sys_settrace(c11_dap_tracefunc, true);
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}
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void py_debugger_exit(int exitCode) {
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char body[64];
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snprintf(body, sizeof(body), "{\"exitCode\":%d}", exitCode);
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c11_dap_send_event("exited", body);
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c11_dap_send_exited_event(exitCode);
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}
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