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godot/core/script_debugger_local.cpp
Juan Linietsky 0b806ee0fc GODOT IS OPEN SOURCE
2014-02-09 22:10:30 -03:00

190 lines
7.7 KiB
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/*************************************************************************/
/* script_debugger_local.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "script_debugger_local.h"
#include "os/os.h"
void ScriptDebuggerLocal::debug(ScriptLanguage *p_script,bool p_can_continue) {
print_line("Debugger Break, Reason: '"+p_script->debug_get_error()+"'");
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)+"'");
print_line("Enter \"help\" for assistance.");
int current_frame=0;
int total_frames=p_script->debug_get_stack_level_count();
while(true) {
OS::get_singleton()->print("debug> ");
String line = OS::get_singleton()->get_stdin_string().strip_edges();
if (line=="") {
print_line("Debugger Break, Reason: '"+p_script->debug_get_error()+"'");
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)+"'");
print_line("Enter \"help\" for assistance.");
} else if (line=="c" || line=="continue")
break;
else if (line=="bt" || line=="breakpoint") {
for(int i=0;i<total_frames;i++) {
String cfi=(current_frame==i)?"*":" "; //current frame indicator
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)+"'");
}
} else if (line.begins_with("fr") || line.begins_with("frame")) {
if (line.get_slice_count(" ")==1) {
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)+"'");
} else {
int frame = line.get_slice(" ",1).to_int();
if (frame<0 || frame >=total_frames) {
print_line("Error: Invalid frame.");
} else {
current_frame=frame;
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)+"'");
}
}
} else if (line=="lv" || line=="locals") {
List<String> locals;
List<Variant> values;
p_script->debug_get_stack_level_locals(current_frame,&locals, &values);
List<Variant>::Element* V = values.front();
for (List<String>::Element *E=locals.front();E;E=E->next()) {
print_line(E->get() + ": " + String(V->get()));
V = V->next();
}
} else if (line=="gv" || line=="globals") {
List<String> locals;
List<Variant> values;
p_script->debug_get_globals(&locals, &values);
List<Variant>::Element* V = values.front();
for (List<String>::Element *E=locals.front();E;E=E->next()) {
print_line(E->get() + ": " + String(V->get()));
V = V->next();
}
} else if (line=="mv" || line=="members") {
List<String> locals;
List<Variant> values;
p_script->debug_get_stack_level_members(current_frame,&locals, &values);
List<Variant>::Element* V = values.front();
for (List<String>::Element *E=locals.front();E;E=E->next()) {
print_line(E->get() + ": " + String(V->get()));
V = V->next();
}
} else if (line.begins_with("p") || line.begins_with("print")) {
if (line.get_slice_count(" ")<=1) {
print_line("Usage: print <expre>");
} else {
String expr = line.get_slice(" ",2);
String res = p_script->debug_parse_stack_level_expression(current_frame,expr);
print_line(res);
}
} else if (line=="s" || line=="step") {
set_depth(-1);
set_lines_left(1);
break;
} else if (line.begins_with("n") || line.begins_with("next")) {
set_depth(0);
set_lines_left(1);
break;
} else if (line.begins_with("br") || line.begins_with("break")) {
if (line.get_slice_count(" ")<=1) {
//show breakpoints
} else {
String bppos=line.get_slice(" ",1);
String source=bppos.get_slice(":",0).strip_edges();
int line=bppos.get_slice(":",1).strip_edges().to_int();
source = breakpoint_find_source(source);
insert_breakpoint(line,source);
print_line("BreakPoint at "+source+":"+itos(line));
}
} else if (line.begins_with("delete")) {
if (line.get_slice_count(" ")<=1) {
clear_breakpoints();
} else {
String bppos=line.get_slice(" ",1);
String source=bppos.get_slice(":",0).strip_edges();
int line=bppos.get_slice(":",1).strip_edges().to_int();
source = breakpoint_find_source(source);
remove_breakpoint(line,source);
print_line("Removed BreakPoint at "+source+":"+itos(line));
}
} else if (line=="h" || line=="help") {
print_line("Built-In Debugger command list:\n");
print_line("\tc,continue :\t\t Continue execution.");
print_line("\tbt,backtrace :\t\t Show stack trace (frames).");
print_line("\tfr,frame <frame>:\t Change current frame.");
print_line("\tlv,locals :\t\t Show local variables for current frame.");
print_line("\tmv,members :\t\t Show member variables for \"this\" in frame.");
print_line("\tgv,globals :\t\t Show global variables.");
print_line("\tp,print <expr> :\t Execute and print variable in expression.");
print_line("\ts,step :\t\t Step to next line.");
print_line("\tn,next :\t\t Next line.");
print_line("\tbr,break source:line :\t Place a breakpoint.");
print_line("\tdelete [source:line]:\t\t Delete one/all breakpoints.");
} else {
print_line("Error: Invalid command, enter \"help\" for assistance.");
}
}
}
void ScriptDebuggerLocal::send_message(const String& p_message, const Array &p_args) {
print_line("MESSAGE: '"+p_message+"' - "+String(Variant(p_args)));
}
ScriptDebuggerLocal::ScriptDebuggerLocal() {
}
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