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Optimize StringBuilder.as_string by constructing the string in-place and skipping unnecessary checks.

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Co-authored-by: YYF233333 <nbyyf2002@mail.ustc.edu.cn>
This commit is contained in:
Lukas Tenbrink
2024-12-12 01:17:02 +01:00
parent a40fc2354a
commit 76af9537ed
1 changed files with 5 additions and 6 deletions
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11
core/string/string_builder.cpp
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@@ -61,7 +61,9 @@ String StringBuilder::as_string() const {
return ""; return "";
} }
char32_t *buffer = memnew_arr(char32_t, string_length); String string;
string.resize(string_length + 1);
char32_t *buffer = string.ptrw();
int current_position = 0; int current_position = 0;
@@ -92,10 +94,7 @@ String StringBuilder::as_string() const {
c_string_elem++; c_string_elem++;
} }
} }
buffer[current_position] = 0;
String final_string = String(buffer, string_length); return string;
memdelete_arr(buffer);
return final_string;
} }