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77 lines
1.6 KiB
Common Lisp
77 lines
1.6 KiB
Common Lisp
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_platform.h"
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#include "inc_common.h"
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#include "inc_rp_common.h"
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CONSTANT_VK u8 s_lookup[128] =
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{
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// 0-31: control characters (0)
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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// 32: whitespace (1)
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1,
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// 33-47: punctuation (1)
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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// 48-57: digits (0)
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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// 58-64: punctuation (1)
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1, 1, 1, 1, 1, 1, 1,
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// 65-90: uppercase letters (0)
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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// 91-96: punctuation (1)
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1, 1, 1, 1, 1, 1,
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// 97-122: lowercase letters (0)
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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// 123-126: punctuation (1)
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1, 1, 1, 1,
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// 127: DEL (0)
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0
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};
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DECLSPEC bool is_l (u8 c)
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{
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return (c >= 'a' && c <= 'z');
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}
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DECLSPEC bool is_u (u8 c)
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{
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return (c >= 'A' && c <= 'Z');
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}
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DECLSPEC bool is_d (u8 c)
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{
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return (c >= '0' && c <= '9');
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}
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DECLSPEC bool is_lh (u8 c)
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{
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return (is_d (c) || (c >= 'a' && c <= 'f'));
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}
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DECLSPEC bool is_uh (u8 c)
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{
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return (is_d (c) || (c >= 'A' && c <= 'F'));
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}
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DECLSPEC bool is_s (u8 c)
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{
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return s_lookup[c] == 1;
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}
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DECLSPEC u32 generate_cmask (const u32 value)
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{
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const u32 rmask = ((value & 0x40404040u) >> 1u)
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& ~((value & 0x80808080u) >> 2u);
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const u32 hmask = (value & 0x1f1f1f1fu) + 0x05050505u;
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const u32 lmask = (value & 0x1f1f1f1fu) + 0x1f1f1f1fu;
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return rmask & ~hmask & lmask;
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}
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