Boshen 4706765d2a refactor(parser): reduce Token size from 32 to 16 bytes (#1962) ... Part of #1880 `Token` size is reduced from 32 to 16 bytes by changing the previous token value `Option<&'a str>` to a u32 index handle. It would be nice if this handle is eliminated entirely because the normal case for a string is always `&source_text[token.span.start.token.span.end]` Unfortunately, JavaScript allows escaped characters to appear in identifiers, strings and templates. These strings need to be unescaped for equality checks, i.e. `"\a" === "a"`. This leads us to adding a `escaped_strings[]` vec for storing these unescaped and allocated strings. Performance regression for adding this vec should be minimal because escaped strings are rare. Background Reading: * https://floooh.github.io/2018/06/17/handles-vs-pointers.html		2024-01-09 15:17:02 +08:00
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mod.rs	refactor(parser): reduce Token size from 32 to 16 bytes (#1962)	2024-01-09 15:17:02 +08:00