void parseInstruction()

in lib/spirv/lib/src/transpiler.dart [329:494]
165 lines of code
59 McCabe index (conditional complexity)

  void parseInstruction() {
    final int word = readWord();
    currentOp = word & 0xFFFF;
    nextPosition = position + (word >> 16) - 1;
    switch (currentOp) {
      case _opExtInstImport:
        opExtInstImport();
        break;
      case _opExtInst:
        opExtInst();
        break;
      case _opMemoryModel:
        opMemoryModel();
        break;
      case _opEntryPoint:
        opEntryPoint();
        break;
      case _opExecutionMode:
        opExecutionMode();
        break;
      case _opCapability:
        opCapability();
        break;
      case _opConvertSToF:
        typeCast();
        break;
      case _opTypeVoid:
        opTypeVoid();
        break;
      case _opTypeBool:
        opTypeBool();
        break;
      case _opTypeInt:
        opTypeInt();
        break;
      case _opTypeFloat:
        opTypeFloat();
        break;
      case _opTypeVector:
        opTypeVector();
        break;
      case _opTypeMatrix:
        opTypeMatrix();
        break;
      case _opTypeImage:
        opTypeImage();
        break;
      case _opTypeSampledImage:
        opTypeSampledImage();
        break;
      case _opTypePointer:
        opTypePointer();
        break;
      case _opTypeFunction:
        opTypeFunction();
        break;
      case _opConstantTrue:
        opConstantTrue();
        break;
      case _opConstantFalse:
        opConstantFalse();
        break;
      case _opConstant:
        opConstant();
        break;
      case _opConstantComposite:
        opConstantComposite();
        break;
      case _opConvertFToS:
        typeCast();
        break;
      case _opFunction:
        opFunction();
        break;
      case _opFunctionParameter:
        opFunctionParameter();
        break;
      case _opFunctionEnd:
        opFunctionEnd();
        break;
      case _opFunctionCall:
        opFunctionCall();
        break;
      case _opVariable:
        opVariable();
        break;
      case _opLoad:
        opLoad();
        break;
      case _opSelect:
        opSelect();
        break;
      case _opStore:
        opStore();
        break;
      case _opAccessChain:
        opAccessChain();
        break;
      case _opDecorate:
        opDecorate();
        break;
      case _opVectorShuffle:
        opVectorShuffle();
        break;
      case _opCompositeConstruct:
        opCompositeConstruct();
        break;
      case _opCompositeExtract:
        opCompositeExtract();
        break;
      case _opImageSampleImplicitLod:
        opImageSampleImplicitLod();
        break;
      case _opFNegate:
        opFNegate();
        break;
      case _opFAdd:
        parseOperatorInst('+');
        break;
      case _opFSub:
        parseOperatorInst('-');
        break;
      case _opFMul:
        parseOperatorInst('*');
        break;
      case _opFDiv:
        parseOperatorInst('/');
        break;
      case _opFMod:
        parseBuiltinFunction('mod');
        break;
      case _opFUnordNotEqual:
        parseOperatorInst('!=');
        break;
      case _opVectorTimesScalar:
      case _opMatrixTimesScalar:
      case _opVectorTimesMatrix:
      case _opMatrixTimesVector:
      case _opMatrixTimesMatrix:
        parseOperatorInst('*');
        break;
      case _opDot:
        parseBuiltinFunction('dot');
        break;
      case _opLabel:
        opLabel();
        break;
      case _opReturn:
        opReturn();
        break;
      case _opReturnValue:
        opReturnValue();
        break;
      // Unsupported ops with no semantic meaning.
      case _opSource:
      case _opSourceExtension:
      case _opName:
      case _opMemberName:
      case _opString:
      case _opLine:
        break;
      default:
        throw failure('Not a supported op.');
    }
    position = nextPosition;
  }