https://github.com/mmhelloworld/jvm-assembler
JVM bytecode assembler as REST api
https://github.com/mmhelloworld/jvm-assembler
Last synced: 11 months ago
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JVM bytecode assembler as REST api
- Host: GitHub
- URL: https://github.com/mmhelloworld/jvm-assembler
- Owner: mmhelloworld
- License: bsd-3-clause
- Created: 2016-08-25T08:47:08.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2023-09-27T02:42:24.000Z (over 2 years ago)
- Last Synced: 2025-04-04T08:45:30.448Z (about 1 year ago)
- Language: Java
- Size: 36.1 KB
- Stars: 10
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# JVM bytecode assembler server
Assemble JVM bytecode via REST endpoint
## Example
```bash
$ mvn package
$ jvm-assembler-server/target/appassembler/bin/jvmasm --port 8080 &
$ cat examples/Helloworld.json
```
```json
{
"instructions": [
{
"flags": 1,
"type": "CreateClass"
},
{
"parent": "java/lang/Object",
"interfaces": [],
"name": "Helloworld",
"version": 52,
"sig": null,
"type": "ClassCodeStart",
"acc": 1
},
{
"type": "SourceInfo",
"name": "Helloworld.idr"
},
{
"excs": null,
"name": "",
"sig": null,
"type": "CreateMethod",
"desc": "()V",
"acc": 1
},
{
"type": "MethodCodeStart"
},
{
"type": "Aload",
"index": 0
},
{
"cname": "java/lang/Object",
"isIntf": false,
"mname": "",
"type": "InvokeMethod",
"desc": "()V",
"invType": 183
},
{
"type": "Return"
},
{
"nstack": -1,
"type": "MaxStackAndLocal",
"nlocal": -1
},
{
"type": "MethodCodeEnd"
},
{
"excs": null,
"name": "main",
"sig": null,
"type": "CreateMethod",
"desc": "([Ljava/lang/String;)V",
"acc": 9
},
{
"type": "MethodCodeStart"
},
{
"cname": "java/lang/System",
"ftype": 178,
"type": "Field",
"desc": "Ljava/io/PrintStream;",
"fname": "out"
},
{
"constType": "StringConst",
"type": "Ldc",
"val": "Hello world!"
},
{
"cname": "java/io/PrintStream",
"isIntf": false,
"mname": "println",
"type": "InvokeMethod",
"desc": "(Ljava/lang/Object;)V",
"invType": 182
},
{
"type": "Return"
},
{
"nstack": -1,
"type": "MaxStackAndLocal",
"nlocal": -1
},
{
"type": "MethodCodeEnd"
},
{
"type": "ClassCodeEnd",
"out": "Helloworld.class"
}
]
}
```
```bash
$ curl -H "Content-Type: application/json" -X POST -d @examples/Helloworld.json http://localhost:8080/assembler/assemble
{"message":"","success":true}
$ java Helloworld
Hello world!
```