Function fxIsIdentifierFirst

xs/sources/xsCommon.c:657–717

static const char gxHexUpper[] ICACHE_FLASH_ATTR = "0123456789ABCDEF";

txBoolean fxIsIdentifierFirst(txU4 c)
{
	#define mxIdentifierFirstCount 1372
	static const txU2 gxIdentifierFirstTable[mxIdentifierFirstCount] ICACHE_RODATA_ATTR = {
		36,0,29,25,5,0,2,25,48,0,11,0,5,0,6,22,2,30,2,457,5,11,15,4,8,0,2,0,130,4,2,1,
		3,3,2,0,7,0,2,2,2,0,2,19,2,82,2,138,9,165,2,37,3,0,7,40,72,26,5,3,46,42,36,1,
		2,98,2,0,16,1,8,1,11,2,3,0,17,0,2,29,30,88,12,0,25,32,10,1,5,0,6,21,5,0,10,0,
		4,0,24,24,8,10,6,23,2,6,17,41,59,53,4,0,19,0,8,9,16,15,5,7,3,1,3,21,2,6,2,0,
		4,3,4,0,17,0,14,1,2,2,15,1,11,0,9,5,5,1,3,21,2,6,2,1,2,1,2,1,32,3,2,0,
		20,2,17,8,2,2,2,21,2,6,2,1,2,4,4,0,19,0,16,1,24,0,12,7,3,1,3,21,2,6,2,1,
		2,4,4,0,31,1,2,2,16,0,18,0,2,5,4,2,2,3,4,1,2,0,2,1,4,1,4,2,4,11,23,0,
		53,7,2,2,2,22,2,15,4,0,27,2,2,1,3,1,31,0,5,7,2,2,2,22,2,9,2,4,4,0,31,2,
		2,1,16,1,18,8,2,2,2,40,3,0,17,0,6,2,9,2,25,5,6,17,4,23,2,8,2,0,3,6,59,47,
		2,1,13,6,59,1,2,0,2,4,2,23,2,0,2,9,2,1,10,0,3,4,2,0,22,3,33,0,64,7,2,35,
		28,4,116,42,21,0,17,5,5,3,4,0,4,1,8,2,5,12,13,0,18,37,2,0,6,0,3,42,2,332,2,3,
		3,6,2,0,2,3,3,40,2,3,3,32,2,3,3,6,2,0,2,3,3,14,2,56,2,3,3,66,38,15,17,85,
		3,5,4,619,3,16,2,25,6,74,4,10,8,17,14,18,15,17,15,12,2,2,16,51,36,0,5,0,68,88,8,40,
		2,0,6,69,11,30,50,29,3,4,12,43,5,25,55,22,10,52,83,0,94,46,18,7,55,29,14,1,11,43,27,35,
		42,2,11,35,3,10,6,42,3,2,42,3,2,5,2,1,4,0,6,191,65,277,3,5,3,37,3,5,3,7,2,0,
		2,0,2,0,2,30,3,52,2,6,2,0,4,2,2,6,4,3,3,5,5,12,6,2,2,6,117,0,14,0,17,12,
		102,0,5,0,3,9,2,0,3,5,7,0,2,0,2,0,2,15,3,3,6,4,5,0,18,40,2680,228,7,3,4,1,
		13,37,2,0,6,0,3,55,8,0,17,22,10,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,551,2,26,8,
		8,4,3,4,5,85,5,4,2,89,2,3,6,42,2,93,18,31,49,15,513,6591,65,22156,68,45,3,268,4,15,11,1,
		21,46,17,30,3,79,40,8,3,102,3,81,21,16,2,2,2,3,2,22,30,51,15,49,63,5,4,0,2,1,12,27,
		11,22,26,28,8,46,29,0,17,4,2,9,11,4,2,40,24,2,2,7,21,22,4,0,4,49,2,0,4,1,3,4,
		3,0,2,0,25,2,3,10,8,2,13,5,3,5,3,5,10,6,2,6,2,42,2,13,7,114,30,11171,13,22,5,48,
		8453,365,3,105,39,6,13,4,6,0,2,9,2,12,2,4,2,0,2,1,2,1,2,107,34,362,19,63,3,53,41,11,
		117,4,2,134,37,25,7,25,12,88,4,5,3,5,3,5,3,2,36,11,2,25,2,18,2,1,2,14,3,13,35,122,
		70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,13,10,
		2,14,2,6,2,1,2,10,2,14,2,6,2,1,4,51,13,310,10,21,11,7,25,5,2,41,2,8,70,5,3,0,
		2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,7,25,39,55,7,1,65,0,16,3,2,2,
		2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,39,27,10,22,251,41,
		7,1,17,5,57,28,11,0,9,21,43,17,47,20,28,22,13,52,58,1,3,0,14,44,33,24,27,35,30,0,3,0,
		9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,20,1,64,6,2,0,2,3,2,14,2,9,8,46,39,7,
		3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,31,9,2,0,3,0,2,37,2,0,26,0,2,0,45,52,
		19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,38,6,186,43,117,63,32,7,
		3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,
		19,72,200,32,32,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,24,43,261,18,
		16,0,2,12,2,33,125,0,80,921,103,110,18,195,2637,96,16,1071,18,5,26,3994,6,582,6842,29,1763,568,8,30,18,78,
		18,29,19,47,17,3,32,20,6,18,433,44,212,63,33,24,3,24,45,74,6,0,67,12,65,1,2,0,15,4,10,7381,
		42,31,98,114,8702,3,2,6,2,1,2,290,16,0,30,2,3,0,15,3,9,395,2309,106,6,12,4,8,8,9,5991,84,
		2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,
		4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,1845,30,7,5,262,61,
		147,44,11,6,17,0,322,29,19,43,485,27,229,29,3,0,208,30,2,2,2,1,2,6,3,4,10,1,225,6,2,3,
		2,1,2,14,2,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,
		2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,
		2,0,2,9,2,16,6,2,2,4,2,16,4421,42719,33,4381,3,5773,3,7472,16,621,2467,541,1507,4938,6,8489,
	};
	const txU2* p = gxIdentifierFirstTable;
	const txU2* q = p + mxIdentifierFirstCount;
	txU4 s = 0;
	while (p < q) {
		s += c_read16(p++);
		if (c < s)
			return 0;
		s += c_read16(p++);
		if (c <= s)
			return 1;