Float-typed variables (Double, Single) were invisible in pdr — locals,
print, gl and every other inspection command failed for floats while
integers, strings, classes and records-of-int-and-string worked. The OPDF
emitter never produced a recPrimitive for tyDouble/tySingle: EmitTypeDesc
did not dispatch the float kinds, so a float variable's GlobalVar/LocalVar
record referenced a TypeID with no corresponding type record, and pdr could
not resolve the type to read the value.
EmitTypeDesc now routes tyDouble/tySingle to EmitPrimitive, which emits the
record with SizeInBytes (8/4), IsSigned=1, and a new SubKind=SK_FLOAT (4).
The pdr side already handled this fully: the adapter maps SubKind skFloat to
Category tcFloat and TFloatEvaluator reads the IEEE 754 value by size — it
was only waiting for the compiler to emit the record.
Verified end to end with pdr: a global, a local, and a Double record field
all print their values (d = 3.14159, s = 2.5, pt.Z = 9.81), and locals lists
them. IR tests assert the Double/Single recPrimitive carries SubKind=4 and
the correct size.
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