analyze: replace some debug prints with log macros

Author: spernsteiner

c2rust-analyze/src/rewrite/expr/mir_op.rs

@@ -13,6 +13,7 @@ use crate::pointee_type::PointeeTypes;
 use crate::pointer_id::{PointerId, PointerTable};
 use crate::type_desc::{self, Ownership, Quantity, TypeDesc};
 use crate::util::{self, ty_callee, Callee};
+use log::trace;
 use rustc_ast::Mutability;
 use rustc_middle::mir::{
     BasicBlock, Body, BorrowKind, Location, Operand, Place, PlaceElem, PlaceRef, Rvalue, Statement,
@@ -990,17 +991,18 @@ where
             (self.emit)(RewriteKind::OptionUnwrap);
             from.option = false;
         } else if from.option && to.option {
-            eprintln!("try_build_cast_desc_desc: emit OptionMapBegin");
+            trace!("try_build_cast_desc_desc: emit OptionMapBegin");
             if from.own != to.own {
-                eprintln!("  own differs: {:?} != {:?}", from.own, to.own);
+                trace!("  own differs: {:?} != {:?}", from.own, to.own);
             }
             if from.qty != to.qty {
-                eprintln!("  qty differs: {:?} != {:?}", from.qty, to.qty);
+                trace!("  qty differs: {:?} != {:?}", from.qty, to.qty);
             }
             if from.pointee_ty != to.pointee_ty {
-                eprintln!(
+                trace!(
                     "  pointee_ty differs: {:?} != {:?}",
-                    from.pointee_ty, to.pointee_ty
+                    from.pointee_ty,
+                    to.pointee_ty
                 );
             }
             (self.emit)(RewriteKind::OptionMapBegin);

c2rust-analyze/src/rewrite/expr/unlower.rs

@@ -895,7 +895,7 @@ fn filter_term(term: &mir::Terminator) -> bool {
 }
 
 fn build_span_index(mir: &Body<'_>) -> SpanIndex<Location> {
-    eprintln!("building span index for {:?}:", mir.source);
+    debug!("building span index for {:?}:", mir.source);
     let mut span_index_items = Vec::new();
     for (bb, bb_data) in mir.basic_blocks().iter_enumerated() {
         for (i, stmt) in bb_data.statements.iter().enumerate() {
@@ -906,7 +906,7 @@ fn build_span_index(mir: &Body<'_>) -> SpanIndex<Location> {
                 block: bb,
                 statement_index: i,
             };
-            eprintln!("  {:?}: {:?}", loc, stmt.source_info.span);
+            debug!("  {:?}: {:?}", loc, stmt.source_info.span);
             span_index_items.push((stmt.source_info.span, loc));
         }
 
@@ -916,7 +916,7 @@ fn build_span_index(mir: &Body<'_>) -> SpanIndex<Location> {
                 block: bb,
                 statement_index: bb_data.statements.len(),
             };
-            eprintln!("  {:?}: {:?}", loc, term.source_info.span);
+            debug!("  {:?}: {:?}", loc, term.source_info.span);
             span_index_items.push((term.source_info.span, loc));
         }
     }