Add static fixed TypeCode support

[jwillemsen]

Summary

• add the library-backed static specialization for fixed TypeCodes
• generate static fixed TypeCodes from TAO IDL
• cover generated fixed TypeCode precision and scale in IDL_Test

Validation

• built ACE, TAO IDL, core TAO, and TAO AnyTypeCode
• regenerated fixed.idl with the rebuilt compiler and verified it includes Fixed_TypeCode_Static.h
• compiled and ran the generated fixed TypeCode precision/scale check

Summary by CodeRabbit

• Bug Fixes
  • Corrected generated fixed-point TypeCodes to use the static implementation and retain their digits and scale.
• Tests
  • Added checks confirming that fixed-point TypeCodes report the expected digits and scale.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Repository UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: d6f6ad34-f8f4-4044-9aab-b9e190cb2401

📥 Commits

Reviewing files that changed from the base of the PR and between db5cdb4 and 1483ae3.

📒 Files selected for processing (1)

• TAO/tao/AnyTypeCode/Fixed_TypeCode_Static.h

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Walkthrough

The change adds a static fixed TypeCode implementation, updates IDL code generation and build sources to use it, and adds test checks for the digits and scale of two fixed-point types.

Changes

Static Fixed TypeCode

Layer / File(s)	Summary
Static fixed TypeCode implementation TAO/tao/AnyTypeCode/Fixed_TypeCode_Static.h, TAO/tao/AnyTypeCode/Fixed_TypeCode_Static.inl, TAO/tao/AnyTypeCode/Fixed_TypeCode_Static.cpp	Adds a Fixed<TAO::Null_RefCount_Policy> specialization that stores digits and scale, marshals those values, implements equality and equivalence, returns a compact TypeCode reference, and exposes digits and scale.
Code generation, build, and test wiring TAO/TAO_IDL/be/be_codegen.cpp, TAO/tao/AnyTypeCode/AnyTypeCode.mpc, TAO/tests/IDL_Test/main.cpp	Code generation now includes Fixed_TypeCode_Static.h, and the AnyTypeCode source list includes its implementation. The IDL test checks the digits and scale of WholeNumber and Amount.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Feature

Merge Risk: ⚪ Minimal · up to 1483a

The fixed TypeCode implementation is connected to IDL generation and the AnyTypeCode build, with an IDL check for generated precision and scale. No material merge-blocking risk was identified.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 6.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 15 functions across 4 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: adding static fixed TypeCode support.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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_{A rabbit checks the digits bright,
And scale set neatly, just right.
Static TypeCodes marshal along,
While tests confirm each fixed-point song.
One hop for build, one hop for code,
Then carrots down the testing road.}

_{Comment @coderabbitai help to get the list of available commands.}

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 10 complexity

Metric	Results
Complexity	10

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