1 package net.mograsim.machine.mi;
3 import java.io.BufferedReader;
4 import java.io.FileInputStream;
5 import java.io.FileOutputStream;
6 import java.io.IOException;
7 import java.io.InputStreamReader;
8 import java.io.OutputStreamWriter;
10 import net.mograsim.machine.MemoryDefinition;
11 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
12 import net.mograsim.machine.mi.parameters.ParameterClassification;
14 public class MicroInstructionMemoryParser
16 public static void parseMemory(final MicroInstructionMemory memory, String inputPath) throws IOException
18 try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(inputPath))))
20 parseMemory(memory, reader);
24 public static void parseMemory(final MicroInstructionMemory memory, BufferedReader input)
26 MicroInstructionMemoryDefinition def = memory.getDefinition();
27 MicroInstructionDefinition miDef = def.getMicroInstructionDefinition();
29 long minAddr = def.getMinimalAddress();
30 long maxAddr = def.getMaximalAddress();
36 for (; i <= maxAddr && input.ready() && !"".equals((line = input.readLine())); i++)
38 memory.setCell(i, parse(miDef, line));
46 for (; i <= maxAddr; i++)
48 memory.setCell(i, miDef.createDefaultInstruction());
52 public static MicroInstruction parse(MicroInstructionDefinition definition, String toParse)
54 int size = definition.size();
55 String[] strings = toParse.split(",");
56 if (size != strings.length)
57 throw new MicroInstructionMemoryParseException("String does not match definition! The number of parameters does not match.");
58 MicroInstructionParameter[] params = new MicroInstructionParameter[size];
59 ParameterClassification[] classes = definition.getParameterClassifications();
62 for (int i = 0; i < size; i++)
64 params[i] = classes[i].parse(strings[i]);
66 return new StandardMicroInstruction(params);
70 throw new MicroInstructionMemoryParseException(e.getCause());
74 public static void write(MicroInstructionMemory memory, String outputPath) throws IOException
76 try (OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(outputPath)))
78 write(memory, writer);
82 public static void write(MicroInstructionMemory memory, OutputStreamWriter output) throws IOException
84 MemoryDefinition def = memory.getDefinition();
85 long min = def.getMinimalAddress(), max = def.getMaximalAddress() + 1;
86 for (long i = min; i < max; i++)
88 output.write(toCSV(memory.getCell(i)) + "\n");
92 private static String toCSV(MicroInstruction inst)
94 int max = inst.getSize() - 1;
95 StringBuilder sb = new StringBuilder();
96 for (int i = 0; i < max; i++)
98 sb.append(inst.getParameter(i).toString());
101 sb.append(inst.getParameter(max).toString());
102 return sb.toString();