wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-26 15:51:15 +02:00
Code Activity

Add a primop unsafeGetAttrPos to return the position of an attribute

Browse source
This commit is contained in:
Eelco Dolstra 2013-11-18 22:22:35 +01:00
parent fc33fd86b7
commit 285df765b9
6 changed files with 44 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/libexpr/eval.cc
View file

@ -410,6 +410,19 @@ void EvalState::mkThunk_(Value & v, Expr * expr)
}
void EvalState::mkPos(Value & v, Pos * pos)
{
if (pos) {
mkAttrs(v, 3);
mkString(*allocAttr(v, sFile), pos->file);
mkInt(*allocAttr(v, sLine), pos->line);
mkInt(*allocAttr(v, sColumn), pos->column);
v.attrs->sort();
} else
mkNull(v);
}
/* Create a thunk for the delayed computation of the given expression
in the given environment. But if the expression is a variable,
then look it up right away. This significantly reduces the number
@ -1044,11 +1057,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
void ExprPos::eval(EvalState & state, Env & env, Value & v)
{
state.mkAttrs(v, 3);
mkString(*state.allocAttr(v, state.sFile), pos.file);
mkInt(*state.allocAttr(v, state.sLine), pos.line);
mkInt(*state.allocAttr(v, state.sColumn), pos.column);
v.attrs->sort();
state.mkPos(v, &pos);
}