func (c *compiler) VisitIncDecStmt(stmt *ast.IncDecStmt) {
lhs := c.VisitExpr(stmt.X).(*LLVMValue)
rhs := c.NewConstValue(exact.MakeUint64(1), lhs.Type())
op := token.ADD
if stmt.Tok == token.DEC {
op = token.SUB
}
result := lhs.BinaryOp(op, rhs)
c.builder.CreateStore(result.LLVMValue(), lhs.pointer.LLVMValue())
// TODO make sure we cover all possibilities (maybe just delegate this to
// an assignment statement handler, and do it all in one place).
//
// In the case of a simple variable, we simply calculate the new value and
// update the value in the scope.
}
func (c *checker) InsertMetricValuesFromContext(m *metrics.MetricContext) error {
for metricName, metric := range m.Gauges {
name := strings.Replace(metricName, ".", "_", -1) + "_value"
c.sc.Insert(types.NewConst(0, c.pkg, name,
types.New("float64"), exact.MakeFloat64(metric.Get())))
sname := name + "_string"
c.sc.Insert(types.NewConst(0, c.pkg, sname,
types.New("string"), exact.MakeString(fmt.Sprintf("%0.2f", metric.Get()))))
}
for metricName, metric := range m.Counters {
name := strings.Replace(metricName, ".", "_", -1) + "_current"
c.sc.Insert(types.NewConst(0, c.pkg, name,
types.New("float64"), exact.MakeUint64(metric.Get())))
sname := name + "_string"
c.sc.Insert(types.NewConst(0, c.pkg, sname,
types.New("string"), exact.MakeString(fmt.Sprintf("%d", metric.Get()))))
name = strings.Replace(metricName, ".", "_", -1) + "_rate"
c.sc.Insert(types.NewConst(0, c.pkg, name,
types.New("float64"), exact.MakeFloat64(metric.ComputeRate())))
}
return nil
}