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oparg_enum! to support custom display value #7654

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Merged
youknowone merged 1 commit into from
Apr 23, 2026
Merged

oparg_enum! to support custom display value #7654

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5 changes: 4 additions & 1 deletion crates/compiler-core/src/bytecode/instruction.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1103,7 +1103,10 @@ impl InstructionMetadata for Instruction {
}
}
Self::ContainsOp { invert } => w!(CONTAINS_OP, ?invert),
Self::ConvertValue { oparg } => write!(f, "{:pad$}{}", "CONVERT_VALUE", oparg.get(arg)),
Self::ConvertValue { oparg } => {
let oparg = oparg.get(arg);
write!(f, "{:pad$} {} ({})", "CONVERT_VALUE", oparg.as_u8(), oparg)
}
Comment on lines +1106 to +1109

@coderabbitai coderabbitai Bot Apr 22, 2026

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⚠️ Potential issue | 🟡 Minor

Fix the malformed CONVERT_VALUE disassembly output.

Line 1108 currently concatenates the opcode and numeric operand, producing output like CONVERT_VALUE1 (str). Keep the operands inside the usual parenthesized format.

🐛 Proposed fix 
             Self::ConvertValue { oparg } => {
                 let oparg = oparg.get(arg);
-                write!(f, "{:pad$}{} ({})", "CONVERT_VALUE", oparg.as_u8(), oparg)
+                write!(f, "{:pad$}({}, {})", "CONVERT_VALUE", oparg.as_u8(), oparg)
             }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
Self::ConvertValue { oparg } => {
let oparg = oparg.get(arg);
write!(f, "{:pad$}{} ({})", "CONVERT_VALUE", oparg.as_u8(), oparg)
}
Self::ConvertValue { oparg } => {
let oparg = oparg.get(arg);
write!(f, "{:pad$}({}, {})", "CONVERT_VALUE", oparg.as_u8(), oparg)
}
🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@crates/compiler-core/src/bytecode/instruction.rs` around lines 1106 - 1109,
The disassembly line for Self::ConvertValue { oparg } is malformed because the
format string writes the numeric operand immediately after the opcode (producing
"CONVERT_VALUE1 (str)"); update the write! call in the Self::ConvertValue match
arm (the write!(f, "...") inside that branch) to put operands into the normal
parenthesized form, e.g. change the format to include a space and wrap the
numeric operand in parentheses (use something like "{:pad$} ({}) ({})" so the
output becomes "CONVERT_VALUE (1) (str)").

Self::Copy { i } => w!(COPY, i),
Self::CopyFreeVars { n } => w!(COPY_FREE_VARS, n),
Self::DeleteAttr { namei } => w!(DELETE_ATTR, name = namei),
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