From cffa7bb98ac2df5d1146318fe19e039bf05aa3a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A9lix=20Baylac-Jacqu=C3=A9?= <felix@alternativebit.fr>
Date: Mon, 21 Oct 2019 20:54:42 +0200
Subject: [PATCH] wip

---
 src/libexpr/eval.cc | 16 +++++++++++++---
 src/libexpr/eval.hh | 38 +-------------------------------------
 2 files changed, 14 insertions(+), 40 deletions(-)

diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 6210c654..a4ddc108 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -1017,8 +1017,10 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
             pos2 = j->pos;
             if (state.countCalls && pos2) state.attrSelects[*pos2]++;
         }
-
+        state.profState.nestedLevel++;
+        state.profState.printNestedStuff(*this);
         state.forceValue(*vAttrs, ( pos2 != NULL ? *pos2 : this->pos ) );
+        state.profState.nestedLevel--;
 
     } catch (Error & e) {
         if (pos2 && pos2->file != state.sDerivationNix)
@@ -2051,7 +2053,7 @@ void ProfilerState::printNestedStuff(Symbol& name) {
     for(int i=0;i<nestedLevel;i++) {
         delim += "=";
     }
-    std::cout << delim << " Going into " << name << std::endl;
+    std::cout << " " << delim << name << std::endl;
 }
 
 void ProfilerState::printNestedStuff(ExprVar& name) {
@@ -2059,7 +2061,15 @@ void ProfilerState::printNestedStuff(ExprVar& name) {
     for(int i=0;i<nestedLevel;i++) {
         delim += "=";
     }
-    std::cout << delim << " Going into " << name << std::endl;
+    std::cout << delim  << " " << name << " (var)" << std::endl;
+}
+
+void ProfilerState::printNestedStuff(ExprSelect& name) {
+    string delim = "";
+    for(int i=0;i<nestedLevel;i++) {
+        delim += "=";
+    }
+    std::cout << delim << " " << name << " (select)" << std::endl;
 }
 
 }
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index f0751fbc..cb42f88b 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -59,6 +59,7 @@ public:
     void saveCost(ProfCostOcc& occCost);
     void printNestedStuff(Symbol& name);
     void printNestedStuff(ExprVar& name);
+    void printNestedStuff(ExprSelect& name);
 
 public:
     std::vector<ProfCostOcc> stackedMeasurements;
@@ -332,7 +333,6 @@ public:
     void printStats();
 
     void realiseContext(const PathSet & context);
-    ProfilerState profState;
 
 private:
 
@@ -380,42 +380,6 @@ typedef int CompressedFuncId;
 typedef int CompressedFileId;
 typedef int LineNumber;
 
-struct ProfFuncOcc {
-    CompressedFuncId funcId;
-    CompressedFileId fileId;
-};
-
-struct ProfFuncCall {
-    CompressedFuncId calledFunc;
-    CompressedFileId calledFile;
-    LineNumber calledFuncLineNb;
-    int cost;
-};
-
-struct ProfCostOcc {
-    ProfFuncOcc funcOcc;
-    int selfCost;
-    std::vector<ProfFuncCall> calledFunctions;
-};
-
-class ProfilerState {
-
-public:
-    ProfCostOcc& getFuncOcc(FileName& fName, FunctionName& fnName);
-    void saveCost(ProfCostOcc& occCost);
-
-private:
-    std::vector<ProfCostOcc> stackedMeasurements;
-    string funcName;
-    int currentNestedLevel;
-    /* We index every func and file to leverage Callgrind's string compression.
-       See section "3.1.6.�Subposition Compression" section from [callgrindSpec]. */
-    std::map<CompressedFuncId,FunctionName> funcMap;
-    std::map<CompressedFileId,FileName> fileMap;
-    CompressedFuncId currentFuncId;
-    CompressedFileId currentFileId;
-};
-
 /* Return a string representing the type of the value `v'. */
 string showType(const Value & v);