bytecode

Python files are compiled to bytecode (*.pyc). Using Cython you can compile them to machine code (*.so in Linux). If you use have both files in the same folder, under the same name what is the precedence between them? Is there an automatic way to ensure that the *.so file is used instead of the *.pyc one? Or you have to do it explicitly in the code (renaming etc)? senderle Python will load the .so file first. See this question for an ordered list of the suffixes that python searches for. Well, I'll just tell you: foo (a directory) foo.so foomodule.so foo.py foo.pyc 来源： https://stackoverflow

Related to: Is there a way to obtain the bytecode for a class at runtime? I'm adding durability to Clojure, and I'm finally at the point where I'm ready to add functions. In Clojure, functions are byte compiled into classes with invoke methods (among others). In this way, functions are first class. To make these durable, I need to serialize and deserialize these classes. How do I get the bytecode for the class without having access to the .class file? Please correct me if I'm mistaken, but using an agent requires spawning a separate VM with the agent connecting to the first VM. I need to do it

I would like to know why the .o file that we get from compiling a .c file that prints "Hello, World!" is larger than a Java .class file that also prints "Hello, World!"? Java uses Bytecode to be platform independent and "precompiled", but bytecode is used by interpreter and is served to be compact enough, so it is not the same that machine code which you can see in compiled C program. Just take a look at the full process of Java compilation: Java program -> Bytecode -> High-level Intermediate Representation (HIR) -> Middle-level Intermediate Representation (MIR) -> Low-level Intermediate

Lambda translation is a two step process, One : desugaring the lambda into a static method in same class. public class Main { public static void main(String[] args) { Runnable r = () -> System.out.println("Hello"); System.out.println(Arrays.asList(Main.class.getDeclaredMethods())); } } [ private static void Main.lambda$main$0() , public static void Main.main(java.lang.String[])] Two : generation of a class that implements the Functional Interface. System.out.println("A class has been generated: " + r.getClass()); System.out.println("That implements a Functional Interface: " + Arrays.asList(r

What exactly is Java bytecode injection and why would one use it? Java code compiles into bytecode ( Foo.java ->> Foo.class ). Bytecode injection is modifying Foo.class at runtime to inject code into it right before its loaded and run. Imagine a scenario where I want to find out how many times method public void bar(); is invoked in Foo.class . I could write an agent using java.lang.instrument that intercepts Foo.class during class load, modifies it using ASM so that bar() calls com.amir.agent.incrementCount() on method entry. Now I can run my program: $java -javagent:MyAgent Foo //assuming

In my bytecode instrumentation project, I stumble frequently on VerifyErrors. However, the default java Verifier gives little information on which instruction resulted in the error (it only gives the method and a small message). Is there any stand-alone bytecode verifier which provides with a little more advanced help in locating the error, at least the precise instruction location? Thank you. As with any project involving JVM bytecode, I would first check to see whether the BCEL has anything that might be useful for you. Also, perhaps FindBugs may help - though I'm not sure whether it assumes