xxuejie

#!/bin/sh
#
# Shell script that configures gnome-terminal to use solarized theme
# colors. Written for Ubuntu 11.10, untested on anything else.
#
# Solarized theme: http://ethanschoonover.com/solarized
# 
# Adapted from these sources:
# https://gist.github.com/1280177
# http://xorcode.com/guides/solarized-vim-eclipse-ubuntu/

xxuejie

#include <stdio.h>
#include <stdarg.h>

typedef struct type_a {
  union {
    double f;
    void *p;
    int i;
    short sym;
  } value;

xxuejie

$ clang stack-manipulation.c
$ ./a.out
Entering stack_manipulate_func, level: 0
Setjmp normal execution path, level: 0
Entering stack_manipulate_func, level: 1
Perform longjmp at level 1
Setjmp error execution path, level: 0
Exiting stack_manipulate_func, level: 0

xxuejie

$ clang++ stack-manipulation-exception.cc
$ ./a.out
Entering stack_manipulate_func, level: 0
Normal execution path, level: 0
Entering stack_manipulate_func, level: 1
Throws exception at level 1
Error execution path, level: 0
Exiting stack_manipulate_func, level: 0

xxuejie

$ clang setjmp-test.c
$ ./a.out
setjmp normal execution path, level: 0, prev_jmp: 0x0
setjmp normal execution path, level: 1, prev_jmp: 0x7fff5df345f0
level is 2, perform longjmp!
setjmp exception execution path, level: 1, prev_jmp: 0x7fff5df345f0
prev_jmp is not empty, continue with longjmp!
setjmp exception execution path, level: 0, prev_jmp: 0x0
Exiting setjmp function, level: 0, prev_jmp: 0x0

xxuejie

$ clang++ setjmp-cpp-test.cc
$ ./a.out
setjmp normal execution path, level: 0, prev_jmp: -1
setjmp normal execution path, level: 1, prev_jmp: 0
level is 2, perform longjmp!
setjmp exception execution path, level: 1, prev_jmp: 0
prev_jmp is not empty, continue with longjmp!
setjmp exception execution path, level: 0, prev_jmp: -1
Exiting setjmp function, level: 0, prev_jmp: -1

xxuejie

$ clang setjmp-twice.c
$ ./a.out
Normal execution path of first function!
Exception execution path of first function!
Exception execution path of first function!
Calling longjmp the second time!

xxuejie

$ clang -O2 setjmp-twice.c
$ ./a.out
Normal execution path of first function!
Exception execution path of first function!
Exception execution path of first function!
Calling longjmp the second time!

xxuejie

#!/usr/bin/env ruby
# %% -*- ruby -*-

# This script adds a wrapper to emcc: when the value of -o option is an
# executable file without extensions(such as mrbc), we would first use
# emcc to generate a .js file, then adds a "#!/usr/bin/env node" line at
# the top, finally removes the extension and mark the file mode as
# executable to pretend creating a binary file.

WEBRUBY_ROOT = File.join(File.dirname(__FILE__), '..')

xxuejie

#include <stdio.h>

#include <emscripten/emscripten.h>

void EMSCRIPTEN_KEEPALIVE c_func_calling_from_js() {
  printf("This is a c function calling from js!");
}

extern void js_func();