lix/src/libexpr/eval-inline.hh
Eelco Dolstra f491ae97d4 * Inline some functions and get rid of the indirection through
EvalState::eval().  This gives a 12% speedup on ‘nix-instantiate
  /etc/nixos/nixos/ -A system --readonly-mode’ (from 1.01s to 0.89s).
2012-02-04 13:50:25 +00:00

62 lines
1.3 KiB
C++

#ifndef __EVAL_INLINE_H
#define __EVAL_INLINE_H
#include "eval.hh"
#define LocalNoInline(f) static f __attribute__((noinline)); f
#define LocalNoInlineNoReturn(f) static f __attribute__((noinline, noreturn)); f
namespace nix {
LocalNoInlineNoReturn(void throwEvalError(const char * s))
{
throw EvalError(s);
}
LocalNoInlineNoReturn(void throwTypeError(const char * s, const string & s2))
{
throw TypeError(format(s) % s2);
}
void EvalState::forceValue(Value & v)
{
if (v.type == tThunk) {
ValueType saved = v.type;
try {
v.type = tBlackhole;
//checkInterrupt();
v.thunk.expr->eval(*this, *v.thunk.env, v);
} catch (Error & e) {
v.type = saved;
throw;
}
}
else if (v.type == tApp)
callFunction(*v.app.left, *v.app.right, v);
else if (v.type == tBlackhole)
throwEvalError("infinite recursion encountered");
}
inline void EvalState::forceAttrs(Value & v)
{
forceValue(v);
if (v.type != tAttrs)
throwTypeError("value is %1% while an attribute set was expected", showType(v));
}
inline void EvalState::forceList(Value & v)
{
forceValue(v);
if (v.type != tList)
throwTypeError("value is %1% while a list was expected", showType(v));
}
}
#endif /* !__EVAL_INLINE_H */