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-rw-r--r--src/libexpr/eval.cc6
-rw-r--r--src/libexpr/nixexpr.cc4
-rw-r--r--src/libexpr/nixexpr.hh8
-rw-r--r--src/libexpr/parser-state.hh14
-rw-r--r--src/libexpr/parser.y10
5 files changed, 22 insertions, 20 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 22b5890bb..4c68fd0b9 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -2031,10 +2031,10 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
};
// List of returned strings. References to these Values must NOT be persisted.
- SmallTemporaryValueVector<conservativeStackReservation> values(es->size());
+ SmallTemporaryValueVector<conservativeStackReservation> values(es.size());
Value * vTmpP = values.data();
- for (auto & [i_pos, i] : *es) {
+ for (auto & [i_pos, i] : es) {
Value & vTmp = *vTmpP++;
i->eval(state, env, vTmp);
@@ -2064,7 +2064,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
} else
state.error<EvalError>("cannot add %1% to a float", showType(vTmp)).atPos(i_pos).withFrame(env, *this).debugThrow();
} else {
- if (s.empty()) s.reserve(es->size());
+ if (s.empty()) s.reserve(es.size());
/* skip canonization of first path, which would only be not
canonized in the first place if it's coming from a ./${foo} type
path */
diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc
index 664872882..03e1effc0 100644
--- a/src/libexpr/nixexpr.cc
+++ b/src/libexpr/nixexpr.cc
@@ -231,7 +231,7 @@ void ExprConcatStrings::show(const SymbolTable & symbols, std::ostream & str) co
{
bool first = true;
str << "(";
- for (auto & i : *es) {
+ for (auto & i : es) {
if (first) first = false; else str << " + ";
i.second->show(symbols, str);
}
@@ -547,7 +547,7 @@ void ExprConcatStrings::bindVars(EvalState & es, const std::shared_ptr<const Sta
if (es.debugRepl)
es.exprEnvs.insert(std::make_pair(this, env));
- for (auto & i : *this->es)
+ for (auto & i : this->es)
i.second->bindVars(es, env);
}
diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh
index d18c37dda..8631445c9 100644
--- a/src/libexpr/nixexpr.hh
+++ b/src/libexpr/nixexpr.hh
@@ -331,7 +331,7 @@ struct ExprCall : Expr
std::vector<Expr *> args;
PosIdx pos;
ExprCall(const PosIdx & pos, Expr * fun, std::vector<Expr *> && args)
- : fun(fun), args(args), pos(pos)
+ : fun(fun), args(std::move(args)), pos(pos)
{ }
PosIdx getPos() const override { return pos; }
COMMON_METHODS
@@ -413,9 +413,9 @@ struct ExprConcatStrings : Expr
{
PosIdx pos;
bool forceString;
- std::vector<std::pair<PosIdx, Expr *>> * es;
- ExprConcatStrings(const PosIdx & pos, bool forceString, std::vector<std::pair<PosIdx, Expr *>> * es)
- : pos(pos), forceString(forceString), es(es) { };
+ std::vector<std::pair<PosIdx, Expr *>> es;
+ ExprConcatStrings(const PosIdx & pos, bool forceString, std::vector<std::pair<PosIdx, Expr *>> es)
+ : pos(pos), forceString(forceString), es(std::move(es)) { };
PosIdx getPos() const override { return pos; }
COMMON_METHODS
};
diff --git a/src/libexpr/parser-state.hh b/src/libexpr/parser-state.hh
index 94f10064f..468b34bd3 100644
--- a/src/libexpr/parser-state.hh
+++ b/src/libexpr/parser-state.hh
@@ -216,7 +216,7 @@ inline Expr * ParserState::stripIndentation(const PosIdx pos,
}
/* Strip spaces from each line. */
- auto * es2 = new std::vector<std::pair<PosIdx, Expr *>>;
+ std::vector<std::pair<PosIdx, Expr *>> es2;
atStartOfLine = true;
size_t curDropped = 0;
size_t n = es.size();
@@ -224,7 +224,7 @@ inline Expr * ParserState::stripIndentation(const PosIdx pos,
const auto trimExpr = [&] (Expr * e) {
atStartOfLine = false;
curDropped = 0;
- es2->emplace_back(i->first, e);
+ es2.emplace_back(i->first, e);
};
const auto trimString = [&] (const StringToken & t) {
std::string s2;
@@ -256,19 +256,17 @@ inline Expr * ParserState::stripIndentation(const PosIdx pos,
s2 = std::string(s2, 0, p + 1);
}
- es2->emplace_back(i->first, new ExprString(std::move(s2)));
+ es2.emplace_back(i->first, new ExprString(std::move(s2)));
};
for (; i != es.end(); ++i, --n) {
std::visit(overloaded { trimExpr, trimString }, i->second);
}
/* If this is a single string, then don't do a concatenation. */
- if (es2->size() == 1 && dynamic_cast<ExprString *>((*es2)[0].second)) {
- auto *const result = (*es2)[0].second;
- delete es2;
- return result;
+ if (es2.size() == 1 && dynamic_cast<ExprString *>(es2[0].second)) {
+ return es2[0].second;
}
- return new ExprConcatStrings(pos, true, es2);
+ return new ExprConcatStrings(pos, true, std::move(es2));
}
inline PosIdx ParserState::at(const ParserLocation & loc)
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index 7783d2c20..5b53720ce 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -209,7 +209,7 @@ expr_op
| expr_op UPDATE expr_op { $$ = new ExprOpUpdate(state->at(@2), $1, $3); }
| expr_op '?' attrpath { $$ = new ExprOpHasAttr($1, std::move(*$3)); delete $3; }
| expr_op '+' expr_op
- { $$ = new ExprConcatStrings(state->at(@2), false, new std::vector<std::pair<PosIdx, Expr *> >({{state->at(@1), $1}, {state->at(@3), $3}})); }
+ { $$ = new ExprConcatStrings(state->at(@2), false, {{state->at(@1), $1}, {state->at(@3), $3}}); }
| expr_op '-' expr_op { $$ = new ExprCall(state->at(@2), new ExprVar(state->s.sub), {$1, $3}); }
| expr_op '*' expr_op { $$ = new ExprCall(state->at(@2), new ExprVar(state->s.mul), {$1, $3}); }
| expr_op '/' expr_op { $$ = new ExprCall(state->at(@2), new ExprVar(state->s.div), {$1, $3}); }
@@ -258,7 +258,8 @@ expr_simple
| path_start PATH_END
| path_start string_parts_interpolated PATH_END {
$2->insert($2->begin(), {state->at(@1), $1});
- $$ = new ExprConcatStrings(CUR_POS, false, $2);
+ $$ = new ExprConcatStrings(CUR_POS, false, std::move(*$2));
+ delete $2;
}
| SPATH {
std::string path($1.p + 1, $1.l - 2);
@@ -290,7 +291,10 @@ expr_simple
string_parts
: STR { $$ = new ExprString(std::string($1)); }
- | string_parts_interpolated { $$ = new ExprConcatStrings(CUR_POS, true, $1); }
+ | string_parts_interpolated
+ { $$ = new ExprConcatStrings(CUR_POS, true, std::move(*$1));
+ delete $1;
+ }
| { $$ = new ExprString(""); }
;