fcamel

#include <stdio.h>

class B;
class A
{
public:
  A() : x(0) {}
  A(const B& b) { printf("copy constructor A is called\n"); }
  void set_x(int x) { this->x = x * 10; }
  int x;

fcamel

import gdb

def read_source_code(filename, target_line, num_lines):
    with open(filename, 'r') as fr:
        target_line -= 1
        lines = ['  | ' + line[:-1] for line in fr]
        lines[target_line] = '->| ' + lines[target_line][4:]
        offset = num_lines / 2
        return lines[target_line - offset : target_line + offset]

fcamel

#include <stdio.h>

#ifdef DEBUG_PRINT
#define DebugPrintf(format, args...) fprintf(stderr, "%s this=%p " format, __PRETTY_FUNCTION__, this, ##args)
#else
#define DebugPrintf(format, args...)
#endif

class Calculator
{

fcamel

import gdb

class ShorternBacktraceCommand(gdb.Command):
    '''Show a backtrace without argument info in each frame.'''

    def __init__(self):
        super(ShorternBacktraceCommand, self).__init__ ("bt",
                                                        gdb.COMMAND_SUPPORT,
                                                        gdb.COMPLETE_NONE)
    def invoke(self, arg, from_tty):

fcamel

import gdb
import re
class ShorternBacktraceCommand(gdb.Command):
    '''Show a backtrace without argument info in each frame.'''

    def __init__(self):
        super(ShorternBacktraceCommand, self).__init__ ("bt",
                                                        gdb.COMMAND_SUPPORT,
                                                        gdb.COMPLETE_NONE)
    def invoke(self, arg, from_tty):

fcamel

#!/bin/bash
# Ref. http://sourceware.org/gdb/onlinedocs/gdb/Index-Files.html

if [ $# -ne 1 ]; then
  echo -e "$0 <binary>\n"
  echo -e "Add gdb index to <binary>\n"
  exit 1
fi

binary="$1"

fcamel

// Ref. chromium/src/base/debug/debugger_posix.cc

#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#include <iostream>

fcamel

#!/bin/bash

OUT="/tmp/htop.out"

/bin/bash -c "sleep 1; killall htop" &
htop > $OUT

# Ref. Remove color codes (special characters) with sed
# http://www.commandlinefu.com/commands/view/3584/remove-color-codes-special-characters-with-sed
result=$(sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" $OUT | sed 's/.*Mem.*[^0-9]\([0-9]\+\/[0-9]\+\)MB.*Swp.*/\1\n/')

fcamel

#include <stdio.h>

int main(void) {
    return 0;
}

fcamel

$ cat Outer.java
class Outer {
    class Inner {
        void foo() {
            System.out.println(Outer.this.x);
        }
    }
    private int x = 3;
    public static void main(String[] args) {
        Outer outer = new Outer();