17 lines
541 B
Rust
17 lines
541 B
Rust
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//! Debug utilities for control flow tracing
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use super::super::MirBuilder;
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impl MirBuilder {
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/// Trace variable_map state for debugging
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/// Enable with NYASH_TRACE_VARMAP=1
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pub(in crate::mir::builder) fn trace_varmap(&self, context: &str) {
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if std::env::var("NYASH_TRACE_VARMAP").is_ok() {
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let vars: Vec<_> = self.variable_map.iter()
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.map(|(k, v)| format!("{}={:?}", k, v))
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.collect();
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eprintln!("[varmap/{}] {{{}}}", context, vars.join(", "));
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}
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}
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}
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