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This commit is contained in:
Eelco Dolstra 2010-04-14 23:48:46 +00:00
parent d39d3c6264
commit e41b5828db
2 changed files with 16 additions and 5 deletions
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17
src/libexpr/eval.cc
View file

@ -102,7 +102,8 @@ EvalState::EvalState()
, baseEnvDispl(0) , baseEnvDispl(0)
, staticBaseEnv(false, 0) , staticBaseEnv(false, 0)
{ {
nrValues = nrEnvs = nrEvaluated = recursionDepth = maxRecursionDepth = 0; nrEnvs = nrValuesInEnvs = nrValuesInLists = nrValues = 0;
nrEvaluated = recursionDepth = maxRecursionDepth = 0;
deepestStack = (char *) -1; deepestStack = (char *) -1;
createBaseEnv(); createBaseEnv();
@ -250,7 +251,6 @@ Value * EvalState::lookupVar(Env * env, const VarRef & var)
Value * EvalState::allocValues(unsigned int count) Value * EvalState::allocValues(unsigned int count)
{ {
nrValues += count;
return new Value[count]; // !!! check destructor return new Value[count]; // !!! check destructor
} }
@ -258,6 +258,7 @@ Value * EvalState::allocValues(unsigned int count)
Env & EvalState::allocEnv(unsigned int size) Env & EvalState::allocEnv(unsigned int size)
{ {
nrEnvs++; nrEnvs++;
nrValuesInEnvs += size;
Env * env = (Env *) malloc(sizeof(Env) + size * sizeof(Value)); Env * env = (Env *) malloc(sizeof(Env) + size * sizeof(Value));
return *env; return *env;
} }
@ -268,6 +269,7 @@ void EvalState::mkList(Value & v, unsigned int length)
v.type = tList; v.type = tList;
v.list.length = length; v.list.length = length;
v.list.elems = allocValues(length); v.list.elems = allocValues(length);
nrValuesInLists += length;
} }
@ -541,6 +543,7 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v)
primOp->primOp.fun(*this, vArgs, v); primOp->primOp.fun(*this, vArgs, v);
} else { } else {
Value * v2 = allocValues(2); Value * v2 = allocValues(2);
nrValues += 2;
v2[0] = fun; v2[0] = fun;
v2[1] = arg; v2[1] = arg;
v.type = tPrimOpApp; v.type = tPrimOpApp;
@ -1039,8 +1042,14 @@ void EvalState::printStats()
printMsg(v, format(" stack space used: %1% bytes") % (&x - deepestStack)); printMsg(v, format(" stack space used: %1% bytes") % (&x - deepestStack));
printMsg(v, format(" max eval() nesting depth: %1%") % maxRecursionDepth); printMsg(v, format(" max eval() nesting depth: %1%") % maxRecursionDepth);
printMsg(v, format(" stack space per eval() level: %1% bytes") % ((&x - deepestStack) / (float) maxRecursionDepth)); printMsg(v, format(" stack space per eval() level: %1% bytes") % ((&x - deepestStack) / (float) maxRecursionDepth));
printMsg(v, format(" values allocated: %1%") % nrValues); printMsg(v, format(" environments allocated: %1% (%2% bytes)")
printMsg(v, format(" environments allocated: %1%") % nrEnvs); % nrEnvs % (nrEnvs * sizeof(Env)));
printMsg(v, format(" values allocated in environments: %1% (%2% bytes)")
% nrValuesInEnvs % (nrValuesInEnvs * sizeof(Value)));
printMsg(v, format(" values allocated in lists: %1% (%2% bytes)")
% nrValuesInLists % (nrValuesInLists * sizeof(Value)));
printMsg(v, format(" misc. values allocated: %1% (%2% bytes) ")
% nrValues % (nrValues * sizeof(Value)));
printMsg(v, format(" symbols in symbol table: %1%") % symbols.size()); printMsg(v, format(" symbols in symbol table: %1%") % symbols.size());
} }

4
src/libexpr/eval.hh
View file

@ -280,8 +280,10 @@ public:
private: private:
unsigned long nrValues;
unsigned long nrEnvs; unsigned long nrEnvs;
unsigned long nrValuesInEnvs;
unsigned long nrValuesInLists;
unsigned long nrValues;
unsigned long nrEvaluated; unsigned long nrEvaluated;
unsigned int recursionDepth; unsigned int recursionDepth;
unsigned int maxRecursionDepth; unsigned int maxRecursionDepth;