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Merge pull request #7811 from Et7f3/fix_memory_leaks
Reduce memory leaks
This commit is contained in:
Robert Hensing
GitHub
commit
a88ae62bc0
@ -186,7 +186,7 @@ struct ExprString : Expr
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{
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std::string s;
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Value v;
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ExprString(std::string s) : s(std::move(s)) { v.mkString(this->s.data()); };
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ExprString(std::string &&s) : s(std::move(s)) { v.mkString(this->s.data()); };
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Value * maybeThunk(EvalState & state, Env & env) override;
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COMMON_METHODS
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};
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@ -233,7 +233,7 @@ struct ExprSelect : Expr
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PosIdx pos;
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Expr * e, * def;
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AttrPath attrPath;
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ExprSelect(const PosIdx & pos, Expr * e, const AttrPath & attrPath, Expr * def) : pos(pos), e(e), def(def), attrPath(attrPath) { };
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ExprSelect(const PosIdx & pos, Expr * e, const AttrPath && attrPath, Expr * def) : pos(pos), e(e), def(def), attrPath(std::move(attrPath)) { };
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ExprSelect(const PosIdx & pos, Expr * e, Symbol name) : pos(pos), e(e), def(0) { attrPath.push_back(AttrName(name)); };
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PosIdx getPos() const override { return pos; }
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COMMON_METHODS
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@ -243,7 +243,7 @@ struct ExprOpHasAttr : Expr
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{
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Expr * e;
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AttrPath attrPath;
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ExprOpHasAttr(Expr * e, const AttrPath & attrPath) : e(e), attrPath(attrPath) { };
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ExprOpHasAttr(Expr * e, const AttrPath && attrPath) : e(e), attrPath(std::move(attrPath)) { };
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PosIdx getPos() const override { return e->getPos(); }
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COMMON_METHODS
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};
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@ -90,7 +90,7 @@ static void dupAttr(const EvalState & state, Symbol attr, const PosIdx pos, cons
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}
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static void addAttr(ExprAttrs * attrs, AttrPath & attrPath,
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static void addAttr(ExprAttrs * attrs, AttrPath && attrPath,
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Expr * e, const PosIdx pos, const nix::EvalState & state)
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{
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AttrPath::iterator i;
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@ -188,7 +188,7 @@ static Formals * toFormals(ParseData & data, ParserFormals * formals,
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static Expr * stripIndentation(const PosIdx pos, SymbolTable & symbols,
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std::vector<std::pair<PosIdx, std::variant<Expr *, StringToken>>> & es)
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std::vector<std::pair<PosIdx, std::variant<Expr *, StringToken>>> && es)
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{
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if (es.empty()) return new ExprString("");
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@ -268,7 +268,7 @@ static Expr * stripIndentation(const PosIdx pos, SymbolTable & symbols,
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s2 = std::string(s2, 0, p + 1);
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}
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es2->emplace_back(i->first, new ExprString(s2));
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es2->emplace_back(i->first, new ExprString(std::move(s2)));
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};
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for (; i != es.end(); ++i, --n) {
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std::visit(overloaded { trimExpr, trimString }, i->second);
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@ -408,7 +408,7 @@ expr_op
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| expr_op OR expr_op { $$ = new ExprOpOr(makeCurPos(@2, data), $1, $3); }
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| expr_op IMPL expr_op { $$ = new ExprOpImpl(makeCurPos(@2, data), $1, $3); }
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| expr_op UPDATE expr_op { $$ = new ExprOpUpdate(makeCurPos(@2, data), $1, $3); }
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| expr_op '?' attrpath { $$ = new ExprOpHasAttr($1, *$3); }
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| expr_op '?' attrpath { $$ = new ExprOpHasAttr($1, std::move(*$3)); delete $3; }
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| expr_op '+' expr_op
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{ $$ = new ExprConcatStrings(makeCurPos(@2, data), false, new std::vector<std::pair<PosIdx, Expr *> >({{makeCurPos(@1, data), $1}, {makeCurPos(@3, data), $3}})); }
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| expr_op '-' expr_op { $$ = new ExprCall(makeCurPos(@2, data), new ExprVar(data->symbols.create("__sub")), {$1, $3}); }
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@ -431,14 +431,14 @@ expr_app
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expr_select
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: expr_simple '.' attrpath
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{ $$ = new ExprSelect(CUR_POS, $1, *$3, 0); }
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{ $$ = new ExprSelect(CUR_POS, $1, std::move(*$3), nullptr); delete $3; }
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| expr_simple '.' attrpath OR_KW expr_select
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{ $$ = new ExprSelect(CUR_POS, $1, *$3, $5); }
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{ $$ = new ExprSelect(CUR_POS, $1, std::move(*$3), $5); delete $3; }
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| /* Backwards compatibility: because Nixpkgs has a rarely used
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function named ‘or’, allow stuff like ‘map or [...]’. */
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expr_simple OR_KW
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{ $$ = new ExprCall(CUR_POS, $1, {new ExprVar(CUR_POS, data->symbols.create("or"))}); }
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| expr_simple { $$ = $1; }
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| expr_simple
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;
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expr_simple
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@ -453,9 +453,10 @@ expr_simple
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| FLOAT { $$ = new ExprFloat($1); }
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| '"' string_parts '"' { $$ = $2; }
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| IND_STRING_OPEN ind_string_parts IND_STRING_CLOSE {
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$$ = stripIndentation(CUR_POS, data->symbols, *$2);
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$$ = stripIndentation(CUR_POS, data->symbols, std::move(*$2));
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delete $2;
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}
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| path_start PATH_END { $$ = $1; }
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| path_start PATH_END
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| path_start string_parts_interpolated PATH_END {
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$2->insert($2->begin(), {makeCurPos(@1, data), $1});
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$$ = new ExprConcatStrings(CUR_POS, false, $2);
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@ -465,7 +466,7 @@ expr_simple
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$$ = new ExprCall(CUR_POS,
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new ExprVar(data->symbols.create("__findFile")),
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{new ExprVar(data->symbols.create("__nixPath")),
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new ExprString(path)});
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new ExprString(std::move(path))});
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}
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| URI {
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static bool noURLLiterals = settings.isExperimentalFeatureEnabled(Xp::NoUrlLiterals);
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@ -533,7 +534,7 @@ ind_string_parts
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;
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binds
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: binds attrpath '=' expr ';' { $$ = $1; addAttr($$, *$2, $4, makeCurPos(@2, data), data->state); }
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: binds attrpath '=' expr ';' { $$ = $1; addAttr($$, std::move(*$2), $4, makeCurPos(@2, data), data->state); delete $2; }
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| binds INHERIT attrs ';'
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{ $$ = $1;
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for (auto & i : *$3) {
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@ -542,6 +543,7 @@ binds
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auto pos = makeCurPos(@3, data);
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$$->attrs.emplace(i.symbol, ExprAttrs::AttrDef(new ExprVar(CUR_POS, i.symbol), pos, true));
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}
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delete $3;
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}
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| binds INHERIT '(' expr ')' attrs ';'
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{ $$ = $1;
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@ -551,6 +553,7 @@ binds
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dupAttr(data->state, i.symbol, makeCurPos(@6, data), $$->attrs[i.symbol].pos);
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$$->attrs.emplace(i.symbol, ExprAttrs::AttrDef(new ExprSelect(CUR_POS, $4, i.symbol), makeCurPos(@6, data)));
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}
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delete $6;
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}
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| { $$ = new ExprAttrs(makeCurPos(@0, data)); }
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;
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@ -596,7 +599,7 @@ attrpath
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;
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attr
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: ID { $$ = $1; }
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: ID
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| OR_KW { $$ = {"or", 2}; }
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;
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@ -612,9 +615,9 @@ expr_list
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formals
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: formal ',' formals
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{ $$ = $3; $$->formals.push_back(*$1); }
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{ $$ = $3; $$->formals.emplace_back(*$1); delete $1; }
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| formal
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{ $$ = new ParserFormals; $$->formals.push_back(*$1); $$->ellipsis = false; }
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{ $$ = new ParserFormals; $$->formals.emplace_back(*$1); $$->ellipsis = false; delete $1; }
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{ $$ = new ParserFormals; $$->ellipsis = false; }
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| ELLIPSIS
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