diff options
Diffstat (limited to 'tvix/eval/src/disassembler.rs')
| -rw-r--r-- | tvix/eval/src/disassembler.rs | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/tvix/eval/src/disassembler.rs b/tvix/eval/src/disassembler.rs index bc5a64fe65e8..e3cc1f16e706 100644 --- a/tvix/eval/src/disassembler.rs +++ b/tvix/eval/src/disassembler.rs @@ -5,7 +5,7 @@ use std::io::{Stderr, Write}; use tabwriter::TabWriter; use crate::chunk::Chunk; -use crate::opcode::OpCode; +use crate::opcode::{CodeIdx, OpCode}; use crate::value::Value; /// Helper struct to trace runtime values and automatically flush the @@ -38,7 +38,16 @@ impl Drop for Tracer { } fn disassemble_op(tw: &mut TabWriter<Stderr>, chunk: &Chunk, width: usize, offset: usize) { - write!(tw, "{:0width$}\t ", width = width).ok(); + write!(tw, "{:0width$}\t ", offset, width = width).ok(); + + let span = chunk.get_span(CodeIdx(offset)); + + if offset > 0 && chunk.get_span(CodeIdx(offset - 1)) == span { + write!(tw, " |\t").unwrap(); + } else { + let loc = chunk.codemap.look_up_span(span); + write!(tw, "{:4}\t", loc.begin.line + 1).unwrap(); + } match chunk.code[offset] { OpCode::OpConstant(idx) => write!(tw, "OpConstant({})\n", chunk.constant(idx)).ok(), |