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Merge pull request #7457 from Icinga/feature/config-parser-malloc 

Config parser: save some memory allocations
This commit is contained in:
Michael Friedrich 2019-10-17 17:19:30 +02:00 committed by GitHub
parent 6027cc03a8 203482a675
commit 3e6fc9bfa1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 18 deletions
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32
lib/config/config_parser.yy
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@ -273,7 +273,7 @@ std::unique_ptr<Expression> ConfigCompiler::Compile()
if (!litem.second.SideEffect && num != llist.size() - 1) {
yyerror(&litem.second.DebugInfo, NULL, NULL, "Value computed is not used.");
}
dlist.push_back(std::move(litem.first));
dlist.emplace_back(std::move(litem.first));
num++;
}
@ -312,14 +312,12 @@ lterm_items: /* empty */
lterm_items_inner: lterm %dprec 2
{
$$ = new std::vector<std::pair<std::unique_ptr<Expression>, EItemInfo> >();
EItemInfo info = { true, @1 };
$$->emplace_back(std::unique_ptr<Expression>($1), info);
$$->emplace_back(std::unique_ptr<Expression>($1), EItemInfo{true, @1});
}
| rterm_no_side_effect
{
$$ = new std::vector<std::pair<std::unique_ptr<Expression>, EItemInfo> >();
EItemInfo info = { false, @1 };
$$->emplace_back(std::unique_ptr<Expression>($1), info);
$$->emplace_back(std::unique_ptr<Expression>($1), EItemInfo{false, @1});
}
| lterm_items_inner sep lterm %dprec 1
{
@ -329,8 +327,7 @@ lterm_items_inner: lterm %dprec 2
$$ = new std::vector<std::pair<std::unique_ptr<Expression>, EItemInfo> >();
if ($3) {
EItemInfo info = { true, @3 };
$$->emplace_back(std::unique_ptr<Expression>($3), info);
$$->emplace_back(std::unique_ptr<Expression>($3), EItemInfo{true, @3});
}
}
| lterm_items_inner sep rterm_no_side_effect %dprec 1
@ -341,8 +338,7 @@ lterm_items_inner: lterm %dprec 2
$$ = new std::vector<std::pair<std::unique_ptr<Expression>, EItemInfo> >();
if ($3) {
EItemInfo info = { false, @3 };
$$->emplace_back(std::unique_ptr<Expression>($3), info);
$$->emplace_back(std::unique_ptr<Expression>($3), EItemInfo{false, @3});
}
}
;
@ -428,7 +424,7 @@ identifier_items: /* empty */
identifier_items_inner: identifier
{
$$ = new std::vector<String>();
$$->push_back(*$1);
$$->emplace_back(std::move(*$1));
delete $1;
}
| identifier_items_inner ',' identifier
@ -438,7 +434,7 @@ identifier_items_inner: identifier
else
$$ = new std::vector<String>();
$$->push_back(*$3);
$$->emplace_back(std::move(*$3));
delete $3;
}
;
@ -741,7 +737,7 @@ rterm_dict: '{'
for (auto& litem : *$3) {
if (!litem.second.SideEffect)
yyerror(&litem.second.DebugInfo, NULL, NULL, "Value computed is not used.");
dlist.push_back(std::move(litem.first));
dlist.emplace_back(std::move(litem.first));
}
delete $3;
$$ = new DictExpression(std::move(dlist), @$);
@ -761,7 +757,7 @@ rterm_scope_require_side_effect: '{'
for (auto& litem : *$3) {
if (!litem.second.SideEffect)
yyerror(&litem.second.DebugInfo, NULL, NULL, "Value computed is not used.");
dlist.push_back(std::move(litem.first));
dlist.emplace_back(std::move(litem.first));
}
delete $3;
$$ = new DictExpression(std::move(dlist), @$);
@ -783,7 +779,7 @@ rterm_scope: '{'
for (auto& litem : *$3) {
if (!litem.second.SideEffect && num != $3->size() - 1)
yyerror(&litem.second.DebugInfo, NULL, NULL, "Value computed is not used.");
dlist.push_back(std::move(litem.first));
dlist.emplace_back(std::move(litem.first));
num++;
}
delete $3;
@ -805,7 +801,7 @@ else_if_branches: /* empty */
| else_if_branches else_if_branch
{
$$ = $1;
$$->push_back(std::move(*$2));
$$->emplace_back(std::move(*$2));
delete $2;
}
;
@ -933,7 +929,7 @@ rterm_no_side_effect_no_dict: T_STRING
EndFlowControlBlock(context);
std::vector<String> args;
args.push_back(*$1);
args.emplace_back(std::move(*$1));
delete $1;
$$ = new FunctionExpression("<anonymous>", args, {}, std::unique_ptr<Expression>($4), @$);
@ -943,7 +939,7 @@ rterm_no_side_effect_no_dict: T_STRING
ASSERT(!dynamic_cast<DictExpression *>($3));
std::vector<String> args;
args.push_back(*$1);
args.emplace_back(std::move(*$1));
delete $1;
$$ = new FunctionExpression("<anonymous>", args, {}, std::unique_ptr<Expression>($3), @$);
@ -1021,7 +1017,7 @@ rterm_no_side_effect_no_dict: T_STRING
for (auto& litem : *$3) {
if (!litem.second.SideEffect && num != $3->size() - 1)
yyerror(&litem.second.DebugInfo, NULL, NULL, "Value computed is not used.");
dlist.push_back(std::move(litem.first));
dlist.emplace_back(std::move(litem.first));
num++;
}
delete $3;