190 lines
7.8 KiB
C++
190 lines
7.8 KiB
C++
/*************************************************************************/
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/* script_debugger_local.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "script_debugger_local.h"
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#include "os/os.h"
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void ScriptDebuggerLocal::debug(ScriptLanguage *p_script,bool p_can_continue) {
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print_line("Debugger Break, Reason: '"+p_script->debug_get_error()+"'");
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print_line("*Frame "+itos(0)+" - "+p_script->debug_get_stack_level_source(0)+":"+itos(p_script->debug_get_stack_level_line(0))+" in function '"+p_script->debug_get_stack_level_function(0)+"'");
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print_line("Enter \"help\" for assistance.");
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int current_frame=0;
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int total_frames=p_script->debug_get_stack_level_count();
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while(true) {
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OS::get_singleton()->print("debug> ");
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String line = OS::get_singleton()->get_stdin_string().strip_edges();
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if (line=="") {
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print_line("Debugger Break, Reason: '"+p_script->debug_get_error()+"'");
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print_line("*Frame "+itos(current_frame)+" - "+p_script->debug_get_stack_level_source(current_frame)+":"+itos(p_script->debug_get_stack_level_line(current_frame))+" in function '"+p_script->debug_get_stack_level_function(current_frame)+"'");
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print_line("Enter \"help\" for assistance.");
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} else if (line=="c" || line=="continue")
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break;
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else if (line=="bt" || line=="breakpoint") {
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for(int i=0;i<total_frames;i++) {
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String cfi=(current_frame==i)?"*":" "; //current frame indicator
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print_line(cfi+"Frame "+itos(i)+" - "+p_script->debug_get_stack_level_source(i)+":"+itos(p_script->debug_get_stack_level_line(i))+" in function '"+p_script->debug_get_stack_level_function(i)+"'");
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}
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} else if (line.begins_with("fr") || line.begins_with("frame")) {
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if (line.get_slice_count(" ")==1) {
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print_line("*Frame "+itos(current_frame)+" - "+p_script->debug_get_stack_level_source(current_frame)+":"+itos(p_script->debug_get_stack_level_line(current_frame))+" in function '"+p_script->debug_get_stack_level_function(current_frame)+"'");
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} else {
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int frame = line.get_slicec(' ',1).to_int();
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if (frame<0 || frame >=total_frames) {
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print_line("Error: Invalid frame.");
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} else {
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current_frame=frame;
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print_line("*Frame "+itos(frame)+" - "+p_script->debug_get_stack_level_source(frame)+":"+itos(p_script->debug_get_stack_level_line(frame))+" in function '"+p_script->debug_get_stack_level_function(frame)+"'");
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}
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}
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} else if (line=="lv" || line=="locals") {
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List<String> locals;
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List<Variant> values;
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p_script->debug_get_stack_level_locals(current_frame,&locals, &values);
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List<Variant>::Element* V = values.front();
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for (List<String>::Element *E=locals.front();E;E=E->next()) {
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print_line(E->get() + ": " + String(V->get()));
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V = V->next();
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}
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} else if (line=="gv" || line=="globals") {
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List<String> locals;
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List<Variant> values;
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p_script->debug_get_globals(&locals, &values);
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List<Variant>::Element* V = values.front();
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for (List<String>::Element *E=locals.front();E;E=E->next()) {
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print_line(E->get() + ": " + String(V->get()));
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V = V->next();
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}
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} else if (line=="mv" || line=="members") {
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List<String> locals;
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List<Variant> values;
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p_script->debug_get_stack_level_members(current_frame,&locals, &values);
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List<Variant>::Element* V = values.front();
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for (List<String>::Element *E=locals.front();E;E=E->next()) {
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print_line(E->get() + ": " + String(V->get()));
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V = V->next();
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}
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} else if (line.begins_with("p") || line.begins_with("print")) {
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if (line.get_slice_count(" ")<=1) {
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print_line("Usage: print <expre>");
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} else {
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String expr = line.get_slicec(' ',2);
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String res = p_script->debug_parse_stack_level_expression(current_frame,expr);
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print_line(res);
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}
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} else if (line=="s" || line=="step") {
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set_depth(-1);
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set_lines_left(1);
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break;
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} else if (line.begins_with("n") || line.begins_with("next")) {
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set_depth(0);
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set_lines_left(1);
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break;
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} else if (line.begins_with("br") || line.begins_with("break")) {
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if (line.get_slice_count(" ")<=1) {
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//show breakpoints
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} else {
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String bppos=line.get_slicec(' ',1);
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String source=bppos.get_slicec(':',0).strip_edges();
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int line=bppos.get_slicec(':',1).strip_edges().to_int();
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source = breakpoint_find_source(source);
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insert_breakpoint(line,source);
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print_line("BreakPoint at "+source+":"+itos(line));
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}
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} else if (line.begins_with("delete")) {
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if (line.get_slice_count(" ")<=1) {
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clear_breakpoints();
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} else {
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String bppos=line.get_slicec(' ',1);
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String source=bppos.get_slicec(':',0).strip_edges();
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int line=bppos.get_slicec(':',1).strip_edges().to_int();
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source = breakpoint_find_source(source);
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remove_breakpoint(line,source);
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print_line("Removed BreakPoint at "+source+":"+itos(line));
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}
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} else if (line=="h" || line=="help") {
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print_line("Built-In Debugger command list:\n");
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print_line("\tc,continue :\t\t Continue execution.");
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print_line("\tbt,backtrace :\t\t Show stack trace (frames).");
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print_line("\tfr,frame <frame>:\t Change current frame.");
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print_line("\tlv,locals :\t\t Show local variables for current frame.");
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print_line("\tmv,members :\t\t Show member variables for \"this\" in frame.");
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print_line("\tgv,globals :\t\t Show global variables.");
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print_line("\tp,print <expr> :\t Execute and print variable in expression.");
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print_line("\ts,step :\t\t Step to next line.");
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print_line("\tn,next :\t\t Next line.");
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print_line("\tbr,break source:line :\t Place a breakpoint.");
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print_line("\tdelete [source:line]:\t\t Delete one/all breakpoints.");
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} else {
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print_line("Error: Invalid command, enter \"help\" for assistance.");
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}
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}
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}
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void ScriptDebuggerLocal::send_message(const String& p_message, const Array &p_args) {
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print_line("MESSAGE: '"+p_message+"' - "+String(Variant(p_args)));
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}
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ScriptDebuggerLocal::ScriptDebuggerLocal() {
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}
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