Decompiler: improve handling of garbage input

[sensei-hacker]

User description

Summary

Improve handling of garbage logic lines that have been added via CLI.
Specifically, when an operator has too many operarands set, such as "set control profile, 1, 6, 1700"

Problem

The decompiler was eagerly decompiling both operandA and operandB for all action operations, even when operandB was unused. This caused incorrect type-specific validation warnings.

Example: SET_PROFILE (operation 42) only uses operandA for the profile number, but operandB contained garbage data (type=6/PID, value=1700), triggering:

Invalid PID operand value 1700. Valid range is 0-3.

Solution

Added operation-specific operand handling:

• operandAOnlyOperations: Skip operandB decompilation for operations that only use operandA
• noOperandOperations: Skip both operands for operations that use neither

Additionally added version detection warnings for unexpected operands to detect firmware/configurator version mismatches when firmware adds new operand usage.

Changes

• Modified js/transpiler/transpiler/action_decompiler.js:
  • Added operandAOnlyOperations array listing operations that only use operandA
  • Added noOperandOperations array listing operations that use no operands
  • Skip decompilation of unused operands to prevent type-specific validation errors
  • Added warnings for unexpected non-zero operands (version detection)

Example new warning:

Unexpected operand B to Set Profile operation (type=6, value=1700). 
This may indicate a firmware version mismatch.

Benefits

• Prevents type-specific validation errors on garbage data in unused operands
• Preserves validation for operations that legitimately use PID/other operands
• Provides version detection when firmware adds new operand usage
• Shows operation name, type, and value for debugging

Testing

• Tested with SET_PROFILE operation containing unused PID operand
• Verified no type-specific error, only version detection warning
• Confirmed decompilation still works for operations using both operands

---

PR Type

Bug fix

---

Description

• Prevents incorrect validation warnings for unused operands in action operations

• Adds operation-specific handling for operandA-only and no-operand operations

• Implements version detection warnings for unexpected operand values

• Skips decompilation of unused operands to avoid type-specific validation errors

---

Diagram Walkthrough

flowchart LR
  A["Action Operation"] --> B{"Operation Type?"}
  B -->|"No Operands"| C["Skip Both Operands"]
  B -->|"OperandA Only"| D["Skip OperandB"]
  B -->|"Both Operands"| E["Decompile Both"]
  C --> F["Check for Unexpected Values"]
  D --> F
  E --> G["Decompile Normally"]
  F --> H["Add Version Detection Warning"]

Loading

File Walkthrough

Relevant files

Bug fix

action_decompiler.js Add operation-specific operand handling and validation      js/transpiler/transpiler/action_decompiler.js Added operandAOnlyOperations array listing 9 operations that only use operandA Added noOperandOperations array listing 7 operations that use no operands Implemented conditional operand decompilation based on operation type Added version detection warnings for unexpected non-zero operands Prevents type-specific validation errors on garbage data in unused operands +49/-3

---

[qodo-code-review]

PR Compliance Guide 🔍

All compliance sections have been disabled in the configurations.