Cache more script-global information when preparing AST

[lahma]

BenchmarkDotNet v0.13.10, Windows 11 (10.0.23580.1000)
AMD Ryzen 9 5950X, 1 CPU, 32 logical and 16 physical cores
.NET SDK 8.0.100-rc.2.23502.2
  [Host]     : .NET 6.0.24 (6.0.2423.51814), X64 RyuJIT AVX2
  DefaultJob : .NET 6.0.24 (6.0.2423.51814), X64 RyuJIT AVX2

Method	FileName	Mean	StdDev	Median	Rank	Allocated
NilJS	array-stress	7,637.960 μs	17.7584 μs	7,631.125 μs	1	4533.76 KB
Jint	array-stress	10,473.637 μs	46.2027 μs	10,456.784 μs	2	7112.02 KB
Jint_ParsedScript	array-stress	11,199.507 μs	33.3318 μs	11,189.941 μs	3	7090.84 KB
Jurassic	array-stress	13,720.983 μs	32.1991 μs	13,730.230 μs	4	11646.95 KB
YantraJS	array-stress	93,781.935 μs	11,913.9805 μs	91,201.800 μs	5	255627.39 KB
YantraJS	dromaeo-3d-cube	NA	NA	NA	?	NA
NilJS	dromaeo-3d-cube	11,493.397 μs	52.7268 μs	11,500.727 μs	1	4694.63 KB
Jint_ParsedScript	dromaeo-3d-cube	25,284.574 μs	32.9580 μs	25,278.787 μs	2	5934.53 KB
Jint	dromaeo-3d-cube	26,447.232 μs	54.9268 μs	26,452.903 μs	3	6191.84 KB
Jurassic	dromaeo-3d-cube	49,177.335 μs	160.6059 μs	49,173.027 μs	4	10670.07 KB
NilJS	dromaeo-core-eval	2,654.096 μs	7.5649 μs	2,657.289 μs	1	1598.78 KB
Jint	dromaeo-core-eval	5,515.569 μs	21.2601 μs	5,523.020 μs	2	350.87 KB
Jint_ParsedScript	dromaeo-core-eval	5,578.374 μs	19.0826 μs	5,571.432 μs	2	333.82 KB
Jurassic	dromaeo-core-eval	12,122.506 μs	20.0273 μs	12,124.275 μs	3	2884.86 KB
YantraJS	dromaeo-core-eval	14,803.999 μs	30.7505 μs	14,813.175 μs	4	37062.1 KB
Jurassic	dromaeo-object-array	50,409.324 μs	43.4887 μs	50,423.100 μs	1	25814.58 KB
Jint	dromaeo-object-array	62,551.195 μs	150.6929 μs	62,517.744 μs	2	100794.71 KB
Jint_ParsedScript	dromaeo-object-array	65,171.757 μs	237.0869 μs	65,251.363 μs	3	100753.87 KB
NilJS	dromaeo-object-array	75,647.396 μs	128.2740 μs	75,649.986 μs	4	17698.17 KB
YantraJS	dromaeo-object-array	1,375,596.336 μs	33,347.1365 μs	1,382,990.800 μs	5	4011703.64 KB
YantraJS	droma(...)egexp [21]	NA	NA	NA	?	NA
Jint_ParsedScript	droma(...)egexp [21]	283,013.293 μs	4,437.0537 μs	282,166.950 μs	1	172757.07 KB
Jint	droma(...)egexp [21]	296,946.656 μs	6,024.9408 μs	297,986.850 μs	2	167727.6 KB
NilJS	droma(...)egexp [21]	604,332.887 μs	1,851.2502 μs	604,514.900 μs	3	767152.42 KB
Jurassic	droma(...)egexp [21]	795,342.589 μs	16,081.4325 μs	795,163.600 μs	4	824640.97 KB
NilJS	droma(...)tring [21]	433,815.321 μs	11,213.8096 μs	431,664.150 μs	1	1378031.28 KB
Jint_ParsedScript	droma(...)tring [21]	587,848.143 μs	59,668.8378 μs	568,762.450 μs	2	1322252.44 KB
Jint	droma(...)tring [21]	608,835.312 μs	75,547.9988 μs	583,291.750 μs	2	1322161.33 KB
Jurassic	droma(...)tring [21]	625,478.993 μs	9,183.2759 μs	627,874.100 μs	2	1457956.34 KB
YantraJS	droma(...)tring [21]	15,372,465.992 μs	66,046.1024 μs	15,375,736.050 μs	3	49975320.46 KB
NilJS	droma(...)ase64 [21]	47,866.505 μs	68.1706 μs	47,891.132 μs	1	19604.72 KB
Jint_ParsedScript	droma(...)ase64 [21]	61,600.941 μs	102.5388 μs	61,589.878 μs	2	6721.74 KB
Jint	droma(...)ase64 [21]	62,911.611 μs	110.9109 μs	62,932.931 μs	3	6807.39 KB
Jurassic	droma(...)ase64 [21]	85,168.963 μs	157.5511 μs	85,191.300 μs	4	74323.21 KB
YantraJS	droma(...)ase64 [21]	157,057.096 μs	4,981.6652 μs	157,836.475 μs	5	804980.98 KB
Jint_ParsedScript	evaluation	13.361 μs	0.0381 μs	13.356 μs	1	27.48 KB
Jint	evaluation	33.375 μs	0.0249 μs	33.374 μs	2	36.05 KB
NilJS	evaluation	54.673 μs	0.1153 μs	54.648 μs	3	23.47 KB
YantraJS	evaluation	158.435 μs	1.2036 μs	157.638 μs	4	962.76 KB
Jurassic	evaluation	1,577.859 μs	2.1583 μs	1,576.936 μs	5	420.41 KB
YantraJS	linq-js	NA	NA	NA	?	NA
Jint_ParsedScript	linq-js	120.880 μs	0.2014 μs	120.880 μs	1	226.52 KB
Jint	linq-js	2,148.593 μs	2.8369 μs	2,149.433 μs	2	1276.1 KB
NilJS	linq-js	10,314.519 μs	45.0646 μs	10,313.370 μs	3	4127.79 KB
Jurassic	linq-js	44,604.058 μs	187.5921 μs	44,639.479 μs	4	9302.34 KB
Jint_ParsedScript	minimal	3.436 μs	0.0099 μs	3.436 μs	1	12.99 KB
Jint	minimal	5.324 μs	0.0190 μs	5.318 μs	2	14.38 KB
NilJS	minimal	5.876 μs	0.0177 μs	5.877 μs	3	4.81 KB
YantraJS	minimal	152.432 μs	0.5037 μs	152.615 μs	4	957.33 KB
Jurassic	minimal	293.000 μs	0.8784 μs	292.940 μs	5	386.24 KB
YantraJS	stopwatch	114,031.780 μs	285.4323 μs	113,934.920 μs	1	224314.32 KB
Jurassic	stopwatch	253,372.593 μs	1,419.3023 μs	253,067.050 μs	2	156937.47 KB
NilJS	stopwatch	287,300.204 μs	807.8973 μs	287,302.800 μs	3	97361.41 KB
Jint_ParsedScript	stopwatch	411,543.627 μs	737.7153 μs	411,750.600 μs	4	53015.98 KB
Jint	stopwatch	432,505.515 μs	550.0670 μs	432,633.800 μs	5	53045.23 KB

Benchmarks with issues:
EngineComparisonBenchmark.YantraJS: DefaultJob [FileName=dromaeo-3d-cube]
EngineComparisonBenchmark.YantraJS: DefaultJob [FileName=droma(...)egexp [21]]
EngineComparisonBenchmark.YantraJS: DefaultJob [FileName=linq-js]