wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 23:11:16 +02:00
Code Activity

Add level / displacement types

Browse source
This commit is contained in:
Eelco Dolstra 2020-02-24 14:33:01 +01:00
parent 81e7c40264
commit bcf4780006
3 changed files with 16 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/libexpr/nixexpr.hh
View file

@ -133,6 +133,9 @@ struct ExprPath : Expr
Value * maybeThunk(EvalState & state, Env & env);
};
typedef uint32_t Level;
typedef uint32_t Displacement;
struct ExprVar : Expr
{
Pos pos;
@ -148,8 +151,8 @@ struct ExprVar : Expr
value is obtained by getting the attribute named `name' from
the set stored in the environment that is `level' levels up
from the current one.*/
unsigned int level;
unsigned int displ;
Level level;
Displacement displ;
ExprVar(const Symbol & name) : name(name) { };
ExprVar(const Pos & pos, const Symbol & name) : pos(pos), name(name) { };
@ -183,7 +186,7 @@ struct ExprAttrs : Expr
bool inherited;
Expr * e;
Pos pos;
unsigned int displ; // displacement
Displacement displ; // displacement
AttrDef(Expr * e, const Pos & pos, bool inherited=false)
: inherited(inherited), e(e), pos(pos) { };
AttrDef() { };
@ -352,7 +355,7 @@ struct StaticEnv
const StaticEnv * up;
// Note: these must be in sorted order.
typedef std::vector<std::pair<Symbol, unsigned int>> Vars;
typedef std::vector<std::pair<Symbol, Displacement>> Vars;
Vars vars;
StaticEnv(bool isWith, const StaticEnv * up, size_t expectedSize = 0) : isWith(isWith), up(up) {