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✨ use incremental gc const initialization

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This commit is contained in:
ValKmjolnir
2023-09-20 00:46:23 +08:00
parent 85bc699905
commit 6c8b4c6a87
4 changed files with 22 additions and 14 deletions
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18
src/nasal_gc.cpp
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@@ -536,7 +536,9 @@ void gc::extend(u8 type) {
}
void gc::init(
const std::vector<std::string>& s, const std::vector<std::string>& argv) {
const std::vector<std::string>& constant_strings,
const std::vector<std::string>& argv
) {
// initialize counters
worktime = 0;
for(u8 i = 0; i<gc_type_size; ++i) {
@@ -547,16 +549,24 @@ void gc::init(
cort = nullptr;
// init constant strings
strs.resize(s.size());
strs.resize(constant_strings.size());
for(u32 i = 0; i<strs.size(); ++i) {
strs[i]=var::gcobj(new nas_val(vm_str));
// incremental initialization, avoid memory leak in repl mode
if (strs[i].type==vm_str && strs[i].str()==constant_strings[i]) {
continue;
}
strs[i] = var::gcobj(new nas_val(vm_str));
strs[i].val.gcobj->unmut = 1;
strs[i].str() = s[i];
strs[i].str() = constant_strings[i];
}
// record arguments
env_argv.resize(argv.size());
for(usize i = 0; i<argv.size(); ++i) {
// incremental initialization, avoid memory leak in repl mode
if (env_argv[i].type==vm_str && env_argv[i].str()==argv[i]) {
continue;
}
env_argv[i] = var::gcobj(new nas_val(vm_str));
env_argv[i].val.gcobj->unmut = 1;
env_argv[i].str() = argv[i];