Rename Value to JsValue

[HalidOdat]

Related to #1376

It changes the following:

• Rename Value to JsValue
• Remove Value::number(), Value::integer(), Value::rational() for a universal JsValue::new() constructor.

[github-actions]

Test262 conformance changes:

Test result	master count	PR count	difference
Total	78,897	78,897	0
Passed	29,633	29,633	0
Ignored	15,612	15,612	0
Failed	33,652	33,652	0
Panics	2	2	0
Conformance	37.56%	37.56%	0.00%

[github-actions]

Benchmark for c1e97af

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	221.4±0.20ns	220.0±2.67ns	+0.64%
Arithmetic operations (Full)	260.5±0.49µs	262.8±0.54µs	-0.88%
Array access (Execution)	5.5±0.01µs	5.5±0.01µs	0.00%
Array access (Full)	281.1±0.71µs	283.5±0.74µs	-0.85%
Array creation (Execution)	2.4±0.00ms	2.6±0.00ms	-7.69%
Array creation (Full)	2.9±0.00ms	2.8±0.00ms	+3.57%
Array pop (Execution)	787.7±3.88µs	853.1±3.48µs	-7.67%
Array pop (Full)	1276.4±1.85µs	1237.9±1.70µs	+3.11%
Boolean Object Access (Execution)	4.6±0.01µs	4.6±0.01µs	0.00%
Boolean Object Access (Full)	275.5±0.34µs	279.7±0.41µs	-1.50%
Clean js (Execution)	618.8±3.75µs	629.8±4.03µs	-1.75%
Clean js (Full)	931.7±3.06µs	931.9±3.03µs	-0.02%
Clean js (Parser)	30.5±0.05µs	31.0±0.07µs	-1.61%
Create Realm	359.9±0.15ns	350.3±0.18ns	+2.74%
Dynamic Object Property Access (Execution)	4.3±0.01µs	4.3±0.01µs	0.00%
Dynamic Object Property Access (Full)	279.0±1.01µs	278.4±0.68µs	+0.22%
Expression (Parser)	5.1±0.00µs	5.1±0.01µs	0.00%
Fibonacci (Execution)	684.3±4.98µs	676.3±0.51µs	+1.18%
Fibonacci (Full)	987.9±0.58µs	999.0±1.77µs	-1.11%
For loop (Execution)	16.6±0.06µs	16.6±0.04µs	0.00%
For loop (Full)	284.3±0.22µs	285.6±0.67µs	-0.46%
For loop (Parser)	14.7±0.05µs	14.7±0.04µs	0.00%
Goal Symbols (Parser)	10.7±0.05µs	10.7±0.03µs	0.00%
Hello World (Parser)	3.0±0.01µs	3.0±0.02µs	0.00%
Long file (Parser)	724.0±1.53ns	727.5±0.62ns	-0.48%
Mini js (Execution)	569.5±3.57µs	579.1±5.33µs	-1.66%
Mini js (Full)	884.1±5.99µs	881.3±2.94µs	+0.32%
Mini js (Parser)	27.1±0.05µs	27.0±0.03µs	+0.37%
Number Object Access (Execution)	3.6±0.02µs	3.6±0.01µs	0.00%
Number Object Access (Full)	273.0±0.37µs	273.6±0.59µs	-0.22%
Object Creation (Execution)	3.9±0.01µs	3.8±0.01µs	+2.63%
Object Creation (Full)	274.0±0.61µs	275.6±0.37µs	-0.58%
RegExp (Execution)	10.9±0.12µs	11.0±0.08µs	-0.91%
RegExp (Full)	282.8±0.47µs	281.6±0.64µs	+0.43%
RegExp Literal (Execution)	10.9±0.07µs	11.0±0.10µs	-0.91%
RegExp Literal (Full)	289.0±0.37µs	289.9±0.78µs	-0.31%
RegExp Literal Creation (Execution)	8.0±0.04µs	8.1±0.04µs	-1.23%
RegExp Literal Creation (Full)	279.0±0.44µs	279.6±0.39µs	-0.21%
Static Object Property Access (Execution)	4.1±0.02µs	4.0±0.01µs	+2.50%
Static Object Property Access (Full)	276.0±0.58µs	276.7±0.48µs	-0.25%
String Object Access (Execution)	6.0±0.01µs	6.0±0.01µs	0.00%
String Object Access (Full)	277.9±0.32µs	281.2±0.53µs	-1.17%
String comparison (Execution)	5.4±0.02µs	5.4±0.02µs	0.00%
String comparison (Full)	277.5±2.86µs	278.0±0.35µs	-0.18%
String concatenation (Execution)	4.3±0.02µs	4.3±0.01µs	0.00%
String concatenation (Full)	270.9±0.59µs	272.4±0.61µs	-0.55%
String copy (Execution)	3.4±0.01µs	3.4±0.01µs	0.00%
String copy (Full)	267.2±0.54µs	270.4±0.64µs	-1.18%
Symbols (Execution)	3.0±0.01µs	3.0±0.01µs	0.00%
Symbols (Full)	253.5±0.60µs	254.5±0.29µs	-0.39%

[bartlomieju]

I believe this closes #1376

[HalidOdat]

I believe this closes #1376

This does not close it since we still have GcObject => JsObject and we might want to change boa::Result as well.

[github-actions]

Benchmark for 279a80a

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	273.5±15.13ns	319.7±45.04ns	-14.45%
Arithmetic operations (Full)	347.5±19.66µs	390.8±407.46µs	-11.08%
Array access (Execution)	8.0±0.40µs	7.5±0.88µs	+6.67%
Array access (Full)	362.5±24.20µs	385.9±28.81µs	-6.06%
Array creation (Execution)	3.2±0.13ms	3.1±0.43ms	+3.23%
Array creation (Full)	3.4±0.21ms	3.7±0.40ms	-8.11%
Array pop (Execution)	1043.5±105.68µs	980.8±141.79µs	+6.39%
Array pop (Full)	1539.9±181.59µs	1649.9±292.49µs	-6.67%
Boolean Object Access (Execution)	6.1±0.29µs	6.4±0.60µs	-4.69%
Boolean Object Access (Full)	362.9±31.27µs	374.2±39.28µs	-3.02%
Clean js (Execution)	791.9±34.34µs	904.4±167.95µs	-12.44%
Clean js (Full)	1165.4±84.12µs	1216.0±319.20µs	-4.16%
Clean js (Parser)	36.6±1.84µs	38.2±7.02µs	-4.19%
Create Realm	463.0±45.41ns	440.3±30.70ns	+5.16%
Dynamic Object Property Access (Execution)	6.4±0.61µs	6.0±0.95µs	+6.67%
Dynamic Object Property Access (Full)	353.7±33.26µs	380.7±43.82µs	-7.09%
Expression (Parser)	6.4±0.51µs	6.9±1.47µs	-7.25%
Fibonacci (Execution)	975.5±26.84µs	925.1±127.31µs	+5.45%
Fibonacci (Full)	1328.8±63.81µs	1451.0±210.84µs	-8.42%
For loop (Execution)	23.3±1.04µs	21.6±1.48µs	+7.87%
For loop (Full)	367.2±19.67µs	395.5±44.22µs	-7.16%
For loop (Parser)	17.7±2.76µs	17.8±1.07µs	-0.56%
Goal Symbols (Parser)	12.7±1.98µs	12.7±1.49µs	0.00%
Hello World (Parser)	3.5±0.34µs	3.7±0.55µs	-5.41%
Long file (Parser)	820.9±63.39ns	825.3±117.23ns	-0.53%
Mini js (Execution)	718.2±31.50µs	772.8±135.60µs	-7.07%
Mini js (Full)	1082.3±38.22µs	1126.5±148.20µs	-3.92%
Mini js (Parser)	32.7±4.67µs	32.8±4.11µs	-0.30%
Number Object Access (Execution)	4.9±0.26µs	4.8±0.56µs	+2.08%
Number Object Access (Full)	350.4±22.27µs	362.4±37.20µs	-3.31%
Object Creation (Execution)	5.5±0.37µs	5.3±0.50µs	+3.77%
Object Creation (Full)	348.3±43.87µs	400.1±138.53µs	-12.95%
RegExp (Execution)	14.9±0.76µs	14.1±1.08µs	+5.67%
RegExp (Full)	370.9±33.27µs	381.0±55.18µs	-2.65%
RegExp Literal (Execution)	15.5±3.84µs	14.4±1.84µs	+7.64%
RegExp Literal (Full)	369.5±34.32µs	385.6±74.37µs	-4.18%
RegExp Literal Creation (Execution)	10.7±0.39µs	10.1±0.97µs	+5.94%
RegExp Literal Creation (Full)	361.1±59.38µs	395.4±66.48µs	-8.67%
Static Object Property Access (Execution)	5.8±0.62µs	5.6±0.75µs	+3.57%
Static Object Property Access (Full)	348.7±31.97µs	392.5±43.11µs	-11.16%
String Object Access (Execution)	8.3±0.63µs	8.6±0.87µs	-3.49%
String Object Access (Full)	353.2±22.03µs	375.6±54.64µs	-5.96%
String comparison (Execution)	7.2±0.44µs	7.2±1.70µs	0.00%
String comparison (Full)	355.8±28.05µs	376.3±48.60µs	-5.45%
String concatenation (Execution)	6.4±3.70µs	5.6±0.67µs	+14.29%
String concatenation (Full)	347.8±21.95µs	358.9±58.89µs	-3.09%
String copy (Execution)	4.9±0.38µs	4.8±1.13µs	+2.08%
String copy (Full)	340.3±32.43µs	362.3±45.57µs	-6.07%
Symbols (Execution)	4.3±0.17µs	4.2±1.26µs	+2.38%
Symbols (Full)	322.4±16.35µs	361.6±73.02µs	-10.84%