…nc functions (#10167)

**Related issue:**

- Closes #10149

**Description:**

`pos` and `len` are frequently accessed

**Description:**

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**Related issue:**

- Closes #10177

…0181)

**Description:**

Replaces the perfect hash function (PHF) keyword lookup with a more performant static keyword lookup table. The new implementation:

- Removes dependency on `phf` crate
- Adds a custom static keyword lookup mechanism
- Introduces a more cache-friendly keyword search algorithm
- Adds support for the `module` keyword

…0184)

**Related issue:**

 - Closes #10178

…ing `u8x16` once. (#10183)

**Description:**

Improves performance and reduces repeated allocations by initialing `u8x16` in global to ensure constants u8x16 initial once.
    
- Simplifies SIMD vector creation using `u8x16::new()`
- Maintains the previous performance optimizations for lexer vector handling

**Related issue:**

 - Closes #10180