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- Memory leak in Object when not using temp allocators.

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- Tracking allocator would double the allocations in the report.
This commit is contained in:
Christoffer Lerno
2024-08-31 03:35:39 +02:00
parent 6aea0f12cd
commit 6cb6113c57
5 changed files with 35 additions and 31 deletions
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56
lib/std/encoding/json.c3
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@@ -27,11 +27,13 @@ fn Object*! temp_parse_string(String s)
fn Object*! parse(InStream s, Allocator allocator = allocator::heap())
{
JsonContext context = { .last_string = dstring::new_with_capacity(64, allocator), .stream = s, .allocator = allocator };
defer context.last_string.free();
@pool(allocator)
@stack_mem(512; Allocator mem)
{
return parse_any(&context);
JsonContext context = { .last_string = dstring::new_with_capacity(64, mem), .stream = s, .allocator = allocator };
@pool(allocator)
{
return parse_any(&context);
};
};
}
@@ -102,9 +104,9 @@ fn Object*! parse_any(JsonContext* context) @local
fn JsonTokenType! lex_number(JsonContext *context, char c) @local
{
@pool()
@stack_mem(256; Allocator mem)
{
DString t = dstring::temp_with_capacity(32);
DString t = dstring::new_with_capacity(32, .allocator = mem);
bool negate = c == '-';
if (negate)
{
@@ -152,32 +154,34 @@ fn JsonTokenType! lex_number(JsonContext *context, char c) @local
fn Object*! parse_map(JsonContext* context) @local
{
Object* map = object::new_obj(context.allocator);
JsonTokenType token = advance(context)!;
defer catch map.free();
JsonTokenType token = advance(context)!;
DString temp_key = dstring::new_with_capacity(32, context.allocator);
defer temp_key.free();
while (token != JsonTokenType.RBRACE)
@stack_mem(256; Allocator mem)
{
if (token != JsonTokenType.STRING) return JsonParsingError.UNEXPECTED_CHARACTER?;
DString string = context.last_string;
if (map.has_key(string.str_view())) return JsonParsingError.DUPLICATE_MEMBERS?;
// Copy the key to our temp holder. We do this to work around the issue
// if the temp allocator should be used as the default allocator.
temp_key.clear();
temp_key.append(string);
parse_expected(context, COLON)!;
Object* element = parse_any(context)!;
map.set(temp_key.str_view(), element);
token = advance(context)!;
if (token == JsonTokenType.COMMA)
DString temp_key = dstring::new_with_capacity(32, mem);
while (token != JsonTokenType.RBRACE)
{
if (token != JsonTokenType.STRING) return JsonParsingError.UNEXPECTED_CHARACTER?;
DString string = context.last_string;
if (map.has_key(string.str_view())) return JsonParsingError.DUPLICATE_MEMBERS?;
// Copy the key to our temp holder, since our
// last_string may be used in parse_any
temp_key.clear();
temp_key.append(string);
parse_expected(context, COLON)!;
Object* element = parse_any(context)!;
map.set(temp_key.str_view(), element);
token = advance(context)!;
continue;
if (token == JsonTokenType.COMMA)
{
token = advance(context)!;
continue;
}
if (token != JsonTokenType.RBRACE) return JsonParsingError.UNEXPECTED_CHARACTER?;
}
if (token != JsonTokenType.RBRACE) return JsonParsingError.UNEXPECTED_CHARACTER?;
}
return map;
return map;
};
}
fn Object*! parse_array(JsonContext* context) @local