public void DecompileFunction(StreamWriter output, int functionIndex)
{
FunctionBody body = WasmModule.FunctionBodies[functionIndex];
FunctionSignature signature = WasmModule.FunctionTypes[WasmModule.Functions[functionIndex]];
// get IR
var context = new IntermediateContext(signature, WasmModule, output);
List <IntermediateInstruction> instructions = new IntermediateConverter(WasmModule, body, signature).Convert();
output.Write(signature.ToString($"fun_{functionIndex:X8}"));
output.WriteLine(" {");
// write all IR while simulating the stack
foreach (IntermediateInstruction instruction in instructions)
{
HandleInstruction(ref context, instruction);
}
output.WriteLine("}");
if (context.Indentation != 0)
{
throw new Exception("Function body has unbalanced indentation");
}
if (context.Stack.Count != 0)
{
throw new Exception($"Unbalanced stack, found {context.Stack.Count} remaining values");
}
output.WriteLine();
}
public void DecompileFunction(StreamWriter output, int functionIndex)
{
FunctionBody body = WasmModule.FunctionBodies[functionIndex];
FunctionSignature signature = WasmModule.FunctionTypes[WasmModule.Functions[functionIndex]];
List <IntermediateInstruction> instructions = new IntermediateConverter(WasmModule, body, signature).Convert();
Graph graph = CreateGraph(instructions);
output.Write(signature.ToString($"fun_{functionIndex:X8}"));
output.WriteLine(" {");
OutputAsCode(graph, output);
output.WriteLine("}");
output.WriteLine();
// using var sw = new StreamWriter(File.Open("graph.dot", FileMode.Create));
// new DotWriter(sw).Write(graph);
}
