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< > BotCompany Repo | #1034315 // Test making class implementing interface from scratch with BCEL using ClassMaker + MethodMaker [OK]

JavaX source code (desktop) [tags: use-pretranspiled] - run with: x30.jar

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!7

set flag AllPublic.

p {
  ClassMaker<IF0> c = new(IF0);
  
  // make code for get() method
  
  var m = new MethodMaker(c.cg, O, "get");
  
  // declare and create StringBuffer
  
  int buffer = m.newLocalVar();
  m.newObject(StringBuffer.class).astore(buffer);
  
  // Append two strings
  
  for (string : ll("Hello ", "world")) {
    m.aload(buffer).stringConstant(string);
    m.il.append(m.factory.createAppend(org.apache.bcel.generic.Type.OBJECT));
  }
  
  // call StringBuffer.toString() and return
  
  m.aload(buffer);
  m.invokeVirtual(StringBuffer.class, S, "toString");
  m.areturn().done();
  
  // disassemble because it looks cool
  
  c.printClassWithMethods();
  
  // bake class, load & create instance
  
  IF0 f = c.newInstance();
  print(f);
  assertEqualsVerbose("Hello world", f!);
}

Author comment

Began life as a copy of #1034311

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Travelled to 3 computer(s): bhatertpkbcr, mowyntqkapby, mqqgnosmbjvj

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Snippet ID: #1034315
Snippet name: Test making class implementing interface from scratch with BCEL using ClassMaker + MethodMaker [OK]
Eternal ID of this version: #1034315/4
Text MD5: 94051bcb8c7120cfe0e9da46447e39d4
Transpilation MD5: 26fb1cd25b3db54e9b03ddcb1b91bb09
Author: stefan
Category: javax
Type: JavaX source code (desktop)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-02-01 20:58:33
Source code size: 850 bytes / 39 lines
Pitched / IR pitched: No / No
Views / Downloads: 80 / 499
Version history: 3 change(s)
Referenced in: [show references]