wiki_example/example.h

-/* LabComm declarations:
-sample struct {
-  int sequence;
-  struct {
-    boolean last;
-    string data;
-  } line[_];
-} log_message;
-sample float data;
-*/
-
-
-#ifndef __LABCOMM_example_H__
-#define __LABCOMM_example_H__
-
-#include "labcomm.h"
-
-#ifndef PREDEFINED_example_log_message
-typedef struct {
-  int sequence;
-  struct {
-    int n_0;
-    struct {
-      unsigned char last;
-      char* data;
-    } *a;
-  } line;
-} example_log_message;
-#endif
-void labcomm_decoder_register_example_log_message(
-  struct labcomm_decoder *d,
-  void (*handler)(
-    example_log_message *v,
-    void *context
-  ),
-  void *context
-);
-void labcomm_encoder_register_example_log_message(
-  struct labcomm_encoder *e);
-void labcomm_encode_example_log_message(
-  struct labcomm_encoder *e,
-  example_log_message *v
-);
-extern int labcomm_sizeof_example_log_message(example_log_message *v);
-
-#ifndef PREDEFINED_example_data
-typedef float example_data;
-#endif
-void labcomm_decoder_register_example_data(
-  struct labcomm_decoder *d,
-  void (*handler)(
-    example_data *v,
-    void *context
-  ),
-  void *context
-);
-void labcomm_encoder_register_example_data(
-  struct labcomm_encoder *e);
-void labcomm_encode_example_data(
-  struct labcomm_encoder *e,
-  example_data *v
-);
-extern int labcomm_sizeof_example_data(example_data *v);
-
-#define LABCOMM_FORALL_SAMPLES_example(func, sep) \
-  func(log_message, example_log_message) sep \
-  func(data, example_data)
-#endif

wiki_example/example.py

-#!/usr/bin/python
-# Auto generated example
-
-import labcomm
-
-class log_message(object):
-    signature = labcomm.sample('log_message', 
-        labcomm.struct([
-            ('sequence', labcomm.INTEGER()),
-            ('line', labcomm.array([0],
-                labcomm.struct([
-                    ('last', labcomm.BOOLEAN()),
-                    ('data', labcomm.STRING())])))]))
-
-class data(object):
-    signature = labcomm.sample('data', 
-        labcomm.FLOAT())
-

wiki_example/log_message.java

-/* 
-sample struct {
-  int sequence;
-  struct {
-    boolean last;
-    string data;
-  } line[_];
-} log_message;
-*/
-import java.io.IOException;
-import se.lth.control.labcomm.LabCommDecoder;
-import se.lth.control.labcomm.LabCommDispatcher;
-import se.lth.control.labcomm.LabCommEncoder;
-import se.lth.control.labcomm.LabCommHandler;
-import se.lth.control.labcomm.LabCommSample;
-
-public class log_message implements LabCommSample {
-
-  public static class struct_line {
-    public boolean last;
-    public String data;
-  }
-  
-  public int sequence;
-  public struct_line[] line;
-  
-  public interface Handler extends LabCommHandler {
-    public void handle_log_message(log_message value) throws Exception;
-  }
-  
-  public static void register(LabCommDecoder d, Handler h) throws IOException {
-    d.register(new Dispatcher(), h);
-  }
-  
-  public static void register(LabCommEncoder e) throws IOException {
-    e.register(new Dispatcher());
-  }
-  
-  private static class Dispatcher implements LabCommDispatcher {
-    
-    public Class getSampleClass() {
-      return log_message.class;
-    }
-    
-    public String getName() {
-      return "log_message";
-    }
-    
-    public byte[] getSignature() {
-      return signature;
-    }
-    
-    public void decodeAndHandle(LabCommDecoder d,
-                                LabCommHandler h) throws Exception {
-      ((Handler)h).handle_log_message(log_message.decode(d));
-    }
-    
-  }
-  
-  public static void encode(LabCommEncoder e, log_message value) throws IOException {
-    e.begin(log_message.class);
-    e.encodeInt(value.sequence);
-    e.encodeInt(value.line.length);
-    int i_0_max = value.line.length;
-    for (int i_0 = 0 ; i_0 < i_0_max ; i_0++) {
-      e.encodeBoolean(value.line[i_0].last);
-      e.encodeString(value.line[i_0].data);
-    }
-    e.end(log_message.class);
-  }
-  
-  public static log_message decode(LabCommDecoder d) throws IOException {
-    log_message result;
-    result = new log_message();
-    result.sequence = d.decodeInt();
-    {
-      int i_0_max = d.decodeInt();
-      result.line = new struct_line[i_0_max];
-      for (int i_0 = 0 ; i_0 < i_0_max ; i_0++) {
-        result.line[i_0] = new struct_line();
-        result.line[i_0].last = d.decodeBoolean();
-        result.line[i_0].data = d.decodeString();
-      }
-    }
-    return result;
-  }
-  
-  private static byte[] signature = new byte[] {
-    // struct { 2 fields
-    0, 0, 0, 17, 
-      0, 0, 0, 2, 
-      // int 'sequence'
-      0, 0, 0, 8, 
-      115, 101, 113, 117, 101, 110, 99, 101, 
-      0, 0, 0, 35, 
-      // array [_] 'line'
-      0, 0, 0, 4, 
-      108, 105, 110, 101, 
-      // array [_]
-      0, 0, 0, 16, 
-        0, 0, 0, 1, 
-        0, 0, 0, 0, 
-        // struct { 2 fields
-        0, 0, 0, 17, 
-          0, 0, 0, 2, 
-          // boolean 'last'
-          0, 0, 0, 4, 
-          108, 97, 115, 116, 
-          0, 0, 0, 32, 
-          // string 'data'
-          0, 0, 0, 4, 
-          100, 97, 116, 97, 
-          0, 0, 0, 39, 
-        // }
-      // }
-    // }
-  };
-
-}

wiki_example/run

-#!/bin/sh
-
-# Auto generate code from .lc file
-java -jar /opt/robot/java/labComm.jar \
-  --c=example.c --h=example.h \
-  --java=. \
-  --cs=example.cs \
-  --python=example.py \
-  example.lc
-
-# Compile executables
-gcc -o example_encoder -I ../lib/c/ \
-	example_encoder.c \
- 	example.c \
-	../lib/c/labcomm.c \
-	../lib/c//labcomm_fd_reader_writer.c
-javac -cp ../lib/java:. *.java
-
-# Run through all executables (c->java->Python)
-./example_encoder one two
-java -cp ../lib/java:. example_decoder_encoder example.encoded example.javaencoded
-PYTHONPATH=../lib/python ./example_decoder.py example.javaencoded