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refactor string reallocation

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Brendan Hansknecht 2022-10-11 07:56:34 -07:00
parent ac33fd3237
commit e551e59c1c
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1 changed files with 14 additions and 14 deletions
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28
crates/compiler/builtins/bitcode/src/str.zig
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@ -157,27 +157,27 @@ pub const RocStr = extern struct {
const element_width = 1;
const old_capacity = self.getCapacity();
if (self.isSmallStr() or !self.isUnique()) {
return self.reallocateFresh(new_length);
}
if (self.str_bytes) |source_ptr| {
const unique = self.isUnique();
if (unique and old_capacity > new_length) {
if (old_capacity > new_length) {
var output = self;
output.setLen(new_length);
return output;
}
if (unique and !self.isSmallStr()) {
const new_capacity = utils.calculateCapacity(old_capacity, new_length, element_width);
const new_source = utils.unsafeReallocate(
source_ptr,
RocStr.alignment,
old_capacity,
new_capacity,
element_width,
);
const new_capacity = utils.calculateCapacity(old_capacity, new_length, element_width);
const new_source = utils.unsafeReallocate(
source_ptr,
RocStr.alignment,
old_capacity,
new_capacity,
element_width,
);
return RocStr{ .str_bytes = new_source, .str_len = new_length, .str_capacity = new_capacity };
}
return RocStr{ .str_bytes = new_source, .str_len = new_length, .str_capacity = new_capacity };
}
return self.reallocateFresh(new_length);
}