Add default parameter support #1273

0x7D2B · 2021-05-22T12:39:50Z

This PR is a rewrite of #988, implementing default parameter support and merging call and construct implementations into a single internal method.

Modern JavaScript has support for default parameters in functions. Boa has support for the syntax but currently default parameters are ignored. For example, this code:

function test(a, b = 2, c = a + b) {
    console.log(a, b, c);
}
test()
test(1)

Result produced by current Boa master:

undefined undefined undefined
1 undefined undefined
undefined

Expected result:

undefined 2 NaN
1 2 3
undefined

github-actions · 2021-05-22T12:43:48Z

Test262 conformance changes:

Test result	master count	PR count	difference
Total	78,873	78,873	0
Passed	26,498	26,533	+35
Ignored	15,604	15,604	0
Failed	36,771	36,736	-35
Panics	27	19	-8
Conformance	33.60%	33.64%	+0.04%

RageKnify

Noted a few things that are a bit off.
I'll give a more thorough look comparing with the spec, but the numbers seem to indicate that it's great.

boa/src/object/gcobject.rs

github-actions · 2021-05-22T13:12:04Z

Benchmark for `a84880f`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	309.4±11.93ns	311.1±11.62ns	-0.55%
Arithmetic operations (Full)	237.7±10.65µs	234.9±8.10µs	+1.19%
Array access (Execution)	5.4±0.24µs	5.4±0.20µs	0.00%
Array access (Full)	263.1±13.83µs	264.0±11.43µs	-0.34%
Array creation (Execution)	2.6±0.14ms	2.6±0.16ms	0.00%
Array creation (Full)	2.7±0.19ms	2.8±0.09ms	-3.57%
Array pop (Execution)	793.7±29.31µs	785.6±25.24µs	+1.03%
Array pop (Full)	1270.3±38.81µs	1258.1±58.76µs	+0.97%
Boolean Object Access (Execution)	4.6±0.17µs	4.5±0.16µs	+2.22%
Boolean Object Access (Full)	253.6±10.06µs	262.5±16.05µs	-3.39%
Clean js (Execution)	579.1±35.26µs	583.0±26.65µs	-0.67%
Clean js (Full)	843.5±32.13µs	849.9±28.79µs	-0.75%
Clean js (Parser)	35.5±1.25µs	35.1±1.65µs	+1.14%
Create Realm	379.4±25.94ns	402.6±27.83ns	-5.76%
Dynamic Object Property Access (Execution)	4.4±0.16µs	4.5±0.20µs	-2.22%
Dynamic Object Property Access (Full)	260.1±16.28µs	252.2±10.90µs	+3.13%
Expression (Parser)	6.5±0.47µs	6.4±0.42µs	+1.56%
Fibonacci (Execution)	674.0±28.09µs	665.1±29.63µs	+1.34%
Fibonacci (Full)	958.3±40.02µs	927.1±36.16µs	+3.37%
For loop (Execution)	18.9±0.76µs	19.7±0.74µs	-4.06%
For loop (Full)	267.0±11.48µs	271.6±11.73µs	-1.69%
For loop (Parser)	17.8±1.12µs	17.2±0.76µs	+3.49%
Goal Symbols (Parser)	12.2±0.67µs	12.6±0.61µs	-3.17%
Hello World (Parser)	3.6±0.18µs	3.6±0.18µs	0.00%
Long file (Parser)	722.3±31.79ns	703.6±28.70ns	+2.66%
Mini js (Execution)	534.6±24.59µs	509.9±20.99µs	+4.84%
Mini js (Full)	797.8±35.12µs	825.6±43.46µs	-3.37%
Mini js (Parser)	32.1±1.44µs	32.0±1.62µs	+0.31%
Number Object Access (Execution)	3.8±0.19µs	3.7±0.15µs	+2.70%
Number Object Access (Full)	251.9±9.89µs	249.8±11.10µs	+0.84%
Object Creation (Execution)	3.8±0.16µs	3.8±0.18µs	0.00%
Object Creation (Full)	252.6±11.97µs	252.4±10.57µs	+0.08%
RegExp (Execution)	9.5±0.39µs	9.6±0.44µs	-1.04%
RegExp (Full)	271.0±17.43µs	275.4±20.69µs	-1.60%
RegExp Literal (Execution)	9.5±0.52µs	9.5±0.48µs	0.00%
RegExp Literal (Full)	277.8±10.79µs	260.9±13.32µs	+6.48%
RegExp Literal Creation (Execution)	8.2±0.40µs	8.3±0.40µs	-1.20%
RegExp Literal Creation (Full)	269.5±10.43µs	268.2±11.70µs	+0.48%
Static Object Property Access (Execution)	4.2±0.29µs	3.9±0.17µs	+7.69%
Static Object Property Access (Full)	252.6±10.37µs	260.8±11.11µs	-3.14%
String Object Access (Execution)	6.5±0.35µs	6.4±0.32µs	+1.56%
String Object Access (Full)	258.9±11.92µs	264.8±11.25µs	-2.23%
String comparison (Execution)	5.5±0.25µs	5.6±0.19µs	-1.79%
String comparison (Full)	258.4±11.91µs	258.7±13.17µs	-0.12%
String concatenation (Execution)	4.6±0.24µs	4.6±0.22µs	0.00%
String concatenation (Full)	253.4±18.97µs	252.1±11.74µs	+0.52%
String copy (Execution)	3.4±0.19µs	3.4±0.15µs	0.00%
String copy (Full)	243.3±8.40µs	247.8±12.87µs	-1.82%
Symbols (Execution)	3.0±0.19µs	2.9±0.15µs	+3.45%
Symbols (Full)	238.6±11.07µs	240.3±10.49µs	-0.71%

github-actions · 2021-05-22T13:43:06Z

Benchmark for `342aa2c`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	321.1±9.71ns	314.6±7.39ns	+2.07%
Arithmetic operations (Full)	259.4±9.92µs	257.4±11.01µs	+0.78%
Array access (Execution)	6.2±0.25µs	6.0±0.26µs	+3.33%
Array access (Full)	289.3±27.26µs	283.0±11.81µs	+2.23%
Array creation (Execution)	2.4±0.09ms	2.4±0.09ms	0.00%
Array creation (Full)	2.7±0.12ms	2.7±0.09ms	0.00%
Array pop (Execution)	771.7±25.73µs	767.2±28.71µs	+0.59%
Array pop (Full)	1215.0±41.44µs	1228.5±50.87µs	-1.10%
Boolean Object Access (Execution)	5.0±0.23µs	5.0±0.29µs	0.00%
Boolean Object Access (Full)	278.1±8.70µs	277.1±9.91µs	+0.36%
Clean js (Execution)	606.3±23.37µs	616.7±25.21µs	-1.69%
Clean js (Full)	884.0±33.49µs	901.1±55.85µs	-1.90%
Clean js (Parser)	37.9±1.52µs	37.4±1.18µs	+1.34%
Create Realm	373.8±9.53ns	377.4±16.53ns	-0.95%
Dynamic Object Property Access (Execution)	5.2±0.36µs	4.9±0.16µs	+6.12%
Dynamic Object Property Access (Full)	278.7±7.55µs	278.6±13.73µs	+0.04%
Expression (Parser)	6.3±0.26µs	6.5±0.20µs	-3.08%
Fibonacci (Execution)	777.2±31.75µs	758.1±23.99µs	+2.52%
Fibonacci (Full)	1049.6±26.86µs	1042.7±39.75µs	+0.66%
For loop (Execution)	21.0±1.17µs	20.7±0.58µs	+1.45%
For loop (Full)	293.7±13.22µs	289.9±10.45µs	+1.31%
For loop (Parser)	18.4±1.88µs	17.9±0.51µs	+2.79%
Goal Symbols (Parser)	12.3±0.39µs	12.6±0.52µs	-2.38%
Hello World (Parser)	3.5±0.10µs	3.6±0.10µs	-2.78%
Long file (Parser)	695.9±22.51ns	700.1±41.78ns	-0.60%
Mini js (Execution)	535.5±16.85µs	561.4±38.51µs	-4.61%
Mini js (Full)	831.2±71.43µs	851.7±60.39µs	-2.41%
Mini js (Parser)	32.8±0.90µs	33.0±1.34µs	-0.61%
Number Object Access (Execution)	4.0±0.36µs	3.9±0.10µs	+2.56%
Number Object Access (Full)	270.8±10.22µs	273.4±14.04µs	-0.95%
Object Creation (Execution)	4.4±0.12µs	4.4±0.20µs	0.00%
Object Creation (Full)	282.0±11.53µs	286.5±16.16µs	-1.57%
RegExp (Execution)	10.4±0.32µs	10.5±0.41µs	-0.95%
RegExp (Full)	287.2±7.62µs	290.3±14.12µs	-1.07%
RegExp Literal (Execution)	10.4±0.37µs	10.5±0.55µs	-0.95%
RegExp Literal (Full)	291.4±13.94µs	297.9±17.41µs	-2.18%
RegExp Literal Creation (Execution)	9.2±0.66µs	9.1±0.40µs	+1.10%
RegExp Literal Creation (Full)	285.6±13.59µs	279.7±9.81µs	+2.11%
Static Object Property Access (Execution)	4.7±0.21µs	4.6±0.39µs	+2.17%
Static Object Property Access (Full)	275.8±10.17µs	277.4±9.14µs	-0.58%
String Object Access (Execution)	6.7±0.33µs	6.8±0.17µs	-1.47%
String Object Access (Full)	274.7±6.06µs	282.8±11.48µs	-2.86%
String comparison (Execution)	6.2±0.33µs	6.1±0.17µs	+1.64%
String comparison (Full)	276.1±7.22µs	280.2±14.07µs	-1.46%
String concatenation (Execution)	5.0±0.23µs	5.0±0.16µs	0.00%
String concatenation (Full)	273.8±7.31µs	274.6±10.55µs	-0.29%
String copy (Execution)	3.9±0.20µs	3.9±0.12µs	0.00%
String copy (Full)	267.1±14.09µs	273.0±19.09µs	-2.16%
Symbols (Execution)	3.2±0.09µs	3.3±0.12µs	-3.03%
Symbols (Full)	256.1±8.17µs	259.2±6.99µs	-1.20%

github-actions · 2021-05-22T13:50:41Z

Benchmark for `2eb9f23`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	301.5±3.96ns	303.3±0.20ns	-0.59%
Arithmetic operations (Full)	230.1±0.45µs	230.7±0.51µs	-0.26%
Array access (Execution)	5.2±0.02µs	5.3±0.06µs	-1.89%
Array access (Full)	251.3±0.80µs	248.4±0.81µs	+1.17%
Array creation (Execution)	2.4±0.00ms	2.2±0.00ms	+9.09%
Array creation (Full)	2.5±0.00ms	2.7±0.00ms	-7.41%
Array pop (Execution)	771.0±2.11µs	732.8±1.69µs	+5.21%
Array pop (Full)	1136.9±1.88µs	1187.7±3.58µs	-4.28%
Boolean Object Access (Execution)	4.5±0.01µs	4.4±0.00µs	+2.27%
Boolean Object Access (Full)	247.4±0.50µs	246.9±0.34µs	+0.20%
Clean js (Execution)	550.4±6.56µs	552.5±3.26µs	-0.38%
Clean js (Full)	816.8±3.85µs	836.5±3.48µs	-2.36%
Clean js (Parser)	36.1±0.42µs	36.3±0.05µs	-0.55%
Create Realm	357.5±1.30ns	361.3±3.98ns	-1.05%
Dynamic Object Property Access (Execution)	4.2±0.01µs	4.3±0.01µs	-2.33%
Dynamic Object Property Access (Full)	246.1±0.56µs	249.0±0.50µs	-1.16%
Expression (Parser)	6.2±0.01µs	6.1±0.00µs	+1.64%
Fibonacci (Execution)	653.5±1.33µs	654.6±106.48µs	-0.17%
Fibonacci (Full)	936.4±3.36µs	913.6±1.80µs	+2.50%
For loop (Execution)	18.5±0.04µs	18.4±0.02µs	+0.54%
For loop (Full)	261.1±0.38µs	258.7±0.56µs	+0.93%
For loop (Parser)	17.2±0.03µs	17.4±0.03µs	-1.15%
Goal Symbols (Parser)	12.4±0.03µs	12.5±0.05µs	-0.80%
Hello World (Parser)	3.4±0.04µs	3.4±0.01µs	0.00%
Long file (Parser)	719.9±5.85ns	710.2±7.61ns	+1.37%
Mini js (Execution)	498.5±6.87µs	491.7±2.09µs	+1.38%
Mini js (Full)	762.0±3.93µs	770.5±2.49µs	-1.10%
Mini js (Parser)	31.4±0.33µs	31.5±0.03µs	-0.32%
Number Object Access (Execution)	3.6±0.00µs	3.4±0.00µs	+5.88%
Number Object Access (Full)	239.9±0.50µs	239.9±0.40µs	0.00%
Object Creation (Execution)	3.6±0.01µs	3.6±0.01µs	0.00%
Object Creation (Full)	244.7±1.86µs	244.2±2.01µs	+0.20%
RegExp (Execution)	9.3±0.03µs	9.3±0.03µs	0.00%
RegExp (Full)	255.5±0.36µs	258.8±0.40µs	-1.28%
RegExp Literal (Execution)	9.2±0.02µs	9.3±0.03µs	-1.08%
RegExp Literal (Full)	253.8±0.29µs	256.4±0.64µs	-1.01%
RegExp Literal Creation (Execution)	8.0±0.04µs	8.1±0.03µs	-1.23%
RegExp Literal Creation (Full)	245.8±0.29µs	248.5±0.40µs	-1.09%
Static Object Property Access (Execution)	3.9±0.02µs	3.8±0.01µs	+2.63%
Static Object Property Access (Full)	245.9±1.87µs	243.9±0.39µs	+0.82%
String Object Access (Execution)	6.2±0.10µs	6.2±0.02µs	0.00%
String Object Access (Full)	247.7±0.37µs	247.5±0.28µs	+0.08%
String comparison (Execution)	5.5±0.01µs	5.5±0.02µs	0.00%
String comparison (Full)	247.5±1.68µs	246.3±0.69µs	+0.49%
String concatenation (Execution)	4.4±0.01µs	4.3±0.01µs	+2.33%
String concatenation (Full)	242.7±0.50µs	243.3±0.37µs	-0.25%
String copy (Execution)	3.3±0.01µs	3.4±0.01µs	-2.94%
String copy (Full)	236.0±0.24µs	234.0±0.29µs	+0.85%
Symbols (Execution)	2.8±0.01µs	2.8±0.01µs	0.00%
Symbols (Full)	231.6±0.49µs	230.3±0.64µs	+0.56%

Razican

Looking good, I have a couple of questions / suggestions.

boa/src/object/gcobject.rs

Razican · 2021-05-22T17:44:15Z

This seems to fix #1062.

RageKnify

Unsure about something, other than that it looks good.

boa/src/object/gcobject.rs

Co-authored-by: Iban Eguia <razican@protonmail.ch>

0x7D2B · 2021-05-23T04:57:19Z

This seems to fix #1062.

Only a partial fix - the issue doesn't happen when default parameters are used since arguments is declared in a different environment but it still happens without them.

github-actions · 2021-05-23T05:18:17Z

Benchmark for `e02d2f7`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	354.4±7.75ns	359.1±3.32ns	-1.31%
Arithmetic operations (Full)	257.5±7.91µs	266.7±4.76µs	-3.45%
Array access (Execution)	5.9±0.18µs	6.2±0.08µs	-4.84%
Array access (Full)	274.6±6.97µs	287.5±3.77µs	-4.49%
Array creation (Execution)	2.8±0.07ms	2.9±0.03ms	-3.45%
Array creation (Full)	3.1±0.09ms	3.2±0.04ms	-3.13%
Array pop (Execution)	911.0±20.99µs	921.5±11.22µs	-1.14%
Array pop (Full)	1371.2±65.84µs	1406.3±18.86µs	-2.50%
Boolean Object Access (Execution)	5.1±0.32µs	5.2±0.08µs	-1.92%
Boolean Object Access (Full)	276.4±6.83µs	280.9±3.83µs	-1.60%
Clean js (Execution)	627.7±16.74µs	655.6±9.43µs	-4.26%
Clean js (Full)	948.8±30.75µs	957.0±14.07µs	-0.86%
Clean js (Parser)	40.8±0.32µs	40.5±0.45µs	+0.74%
Create Realm	378.1±12.50ns	418.0±6.50ns	-9.55%
Dynamic Object Property Access (Execution)	5.0±0.14µs	5.0±0.07µs	0.00%
Dynamic Object Property Access (Full)	279.2±13.38µs	283.6±4.35µs	-1.55%
Expression (Parser)	7.2±0.58µs	7.1±0.13µs	+1.41%
Fibonacci (Execution)	753.3±18.58µs	753.3±8.41µs	0.00%
Fibonacci (Full)	1014.3±30.23µs	1056.1±9.58µs	-3.96%
For loop (Execution)	21.5±0.35µs	21.4±0.35µs	+0.47%
For loop (Full)	281.9±7.13µs	296.6±3.93µs	-4.96%
For loop (Parser)	20.0±0.77µs	19.5±0.28µs	+2.56%
Goal Symbols (Parser)	14.2±0.10µs	13.9±0.24µs	+2.16%
Hello World (Parser)	3.7±0.09µs	3.9±0.06µs	-5.13%
Long file (Parser)	798.8±6.04ns	778.2±11.64ns	+2.65%
Mini js (Execution)	560.3±20.21µs	591.6±8.48µs	-5.29%
Mini js (Full)	865.7±28.04µs	896.4±10.86µs	-3.42%
Mini js (Parser)	35.1±0.61µs	35.2±0.64µs	-0.28%
Number Object Access (Execution)	3.9±0.11µs	4.0±0.04µs	-2.50%
Number Object Access (Full)	276.9±9.73µs	277.5±4.28µs	-0.22%
Object Creation (Execution)	4.0±0.11µs	4.3±0.05µs	-6.98%
Object Creation (Full)	263.4±7.52µs	279.4±4.15µs	-5.73%
RegExp (Execution)	11.3±0.33µs	11.6±0.15µs	-2.59%
RegExp (Full)	284.0±7.46µs	294.7±4.76µs	-3.63%
RegExp Literal (Execution)	11.4±0.44µs	11.7±0.14µs	-2.56%
RegExp Literal (Full)	272.3±7.32µs	294.2±4.43µs	-7.44%
RegExp Literal Creation (Execution)	9.8±0.15µs	10.3±0.14µs	-4.85%
RegExp Literal Creation (Full)	265.5±7.42µs	288.4±5.81µs	-7.94%
Static Object Property Access (Execution)	4.3±0.11µs	4.6±0.05µs	-6.52%
Static Object Property Access (Full)	264.9±7.95µs	280.7±3.42µs	-5.63%
String Object Access (Execution)	6.8±0.15µs	7.1±0.09µs	-4.23%
String Object Access (Full)	272.7±10.60µs	283.6±5.20µs	-3.84%
String comparison (Execution)	6.1±0.20µs	6.5±0.08µs	-6.15%
String comparison (Full)	271.6±8.10µs	285.3±4.25µs	-4.80%
String concatenation (Execution)	5.0±0.11µs	5.2±0.06µs	-3.85%
String concatenation (Full)	270.2±6.88µs	283.0±4.03µs	-4.52%
String copy (Execution)	3.8±0.07µs	3.9±0.04µs	-2.56%
String copy (Full)	262.9±6.33µs	275.4±4.27µs	-4.54%
Symbols (Execution)	3.1±0.08µs	3.3±0.04µs	-6.06%
Symbols (Full)	257.2±7.05µs	268.3±3.18µs	-4.14%

0x7D2B · 2021-05-23T06:05:45Z

Okay, I added arguments object handling as defined in the spec, so this should fix #1062 properly now.

github-actions · 2021-05-23T06:29:22Z

Benchmark for `51e56f7`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	320.9±19.21ns	352.7±9.90ns	-9.02%
Arithmetic operations (Full)	244.8±11.98µs	259.4±11.22µs	-5.63%
Array access (Execution)	5.7±0.30µs	6.1±0.19µs	-6.56%
Array access (Full)	258.4±13.62µs	281.0±9.23µs	-8.04%
Array creation (Execution)	2.5±0.13ms	2.8±0.05ms	-10.71%
Array creation (Full)	2.9±0.12ms	3.3±0.05ms	-12.12%
Array pop (Execution)	853.0±32.63µs	909.6±21.30µs	-6.22%
Array pop (Full)	1231.8±57.31µs	1400.3±29.57µs	-12.03%
Boolean Object Access (Execution)	4.7±0.29µs	4.9±0.25µs	-4.08%
Boolean Object Access (Full)	255.5±15.47µs	277.2±12.54µs	-7.83%
Clean js (Execution)	544.4±27.52µs	641.7±15.85µs	-15.16%
Clean js (Full)	818.1±34.43µs	943.8±32.01µs	-13.32%
Clean js (Parser)	36.1±2.15µs	38.5±1.32µs	-6.23%
Create Realm	381.4±23.40ns	418.3±9.05ns	-8.82%
Dynamic Object Property Access (Execution)	4.9±0.25µs	4.9±0.14µs	0.00%
Dynamic Object Property Access (Full)	273.5±6.48µs	265.5±14.08µs	+3.01%
Expression (Parser)	6.3±0.32µs	7.0±0.24µs	-10.00%
Fibonacci (Execution)	728.4±32.31µs	735.7±14.33µs	-0.99%
Fibonacci (Full)	973.0±44.08µs	1018.6±35.73µs	-4.48%
For loop (Execution)	19.3±0.89µs	21.3±0.50µs	-9.39%
For loop (Full)	265.2±14.25µs	290.5±9.94µs	-8.71%
For loop (Parser)	17.5±0.94µs	18.8±0.71µs	-6.91%
Goal Symbols (Parser)	12.7±0.78µs	13.2±0.63µs	-3.79%
Hello World (Parser)	3.5±0.16µs	3.7±0.18µs	-5.41%
Long file (Parser)	721.9±32.40ns	775.5±18.65ns	-6.91%
Mini js (Execution)	482.3±23.85µs	578.6±15.60µs	-16.64%
Mini js (Full)	768.0±37.73µs	882.4±29.02µs	-12.96%
Mini js (Parser)	32.0±1.50µs	33.9±1.31µs	-5.60%
Number Object Access (Execution)	3.5±0.17µs	3.9±0.17µs	-10.26%
Number Object Access (Full)	251.0±10.05µs	274.4±12.43µs	-8.53%
Object Creation (Execution)	4.0±0.20µs	4.2±0.11µs	-4.76%
Object Creation (Full)	249.3±12.72µs	266.6±13.57µs	-6.49%
RegExp (Execution)	9.8±0.53µs	11.6±0.28µs	-15.52%
RegExp (Full)	264.1±15.85µs	294.6±7.65µs	-10.35%
RegExp Literal (Execution)	9.8±0.54µs	11.3±0.32µs	-13.27%
RegExp Literal (Full)	260.4±16.09µs	285.6±9.44µs	-8.82%
RegExp Literal Creation (Execution)	8.9±0.44µs	9.8±0.32µs	-9.18%
RegExp Literal Creation (Full)	280.5±8.36µs	266.4±19.58µs	+5.29%
Static Object Property Access (Execution)	4.3±0.23µs	4.4±0.10µs	-2.27%
Static Object Property Access (Full)	272.7±13.87µs	269.5±16.75µs	+1.19%
String Object Access (Execution)	6.6±0.34µs	6.3±0.35µs	+4.76%
String Object Access (Full)	255.6±12.92µs	280.3±7.79µs	-8.81%
String comparison (Execution)	5.9±0.33µs	6.1±0.25µs	-3.28%
String comparison (Full)	254.5±15.65µs	283.1±9.05µs	-10.10%
String concatenation (Execution)	5.0±0.17µs	4.9±0.20µs	+2.04%
String concatenation (Full)	256.9±10.82µs	274.5±8.70µs	-6.41%
String copy (Execution)	3.6±0.17µs	3.7±0.13µs	-2.70%
String copy (Full)	243.0±12.16µs	269.5±14.98µs	-9.83%
Symbols (Execution)	3.1±0.18µs	3.3±0.04µs	-6.06%
Symbols (Full)	235.1±11.37µs	263.5±9.92µs	-10.78%

RageKnify

I'd just like for the comment to be more complete to avoid confusion in the future.

boa/src/object/gcobject.rs

github-actions · 2021-05-24T14:49:01Z

Benchmark for `9598615`

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	365.3±4.14ns	364.0±6.70ns	+0.36%
Arithmetic operations (Full)	296.3±21.07µs	270.1±0.32µs	+9.70%
Array access (Execution)	6.5±0.04µs	6.1±0.04µs	+6.56%
Array access (Full)	295.0±4.00µs	292.9±1.29µs	+0.72%
Array creation (Execution)	2.9±0.04ms	3.1±0.11ms	-6.45%
Array creation (Full)	3.2±0.05ms	3.3±0.03ms	-3.03%
Array pop (Execution)	932.6±2.24µs	929.6±6.86µs	+0.32%
Array pop (Full)	1433.6±12.78µs	1434.3±6.46µs	-0.05%
Boolean Object Access (Execution)	5.1±0.07µs	5.2±0.06µs	-1.92%
Boolean Object Access (Full)	287.3±4.40µs	288.2±1.23µs	-0.31%
Clean js (Execution)	613.3±5.11µs	661.1±7.01µs	-7.23%
Clean js (Full)	1016.3±63.46µs	987.6±4.03µs	+2.91%
Clean js (Parser)	40.9±0.31µs	43.6±2.07µs	-6.19%
Create Realm	430.5±1.92ns	440.7±4.83ns	-2.31%
Dynamic Object Property Access (Execution)	5.6±0.26µs	5.1±0.17µs	+9.80%
Dynamic Object Property Access (Full)	292.2±3.01µs	291.1±1.49µs	+0.38%
Expression (Parser)	7.6±0.34µs	7.6±0.28µs	0.00%
Fibonacci (Execution)	811.8±5.37µs	752.1±4.37µs	+7.94%
Fibonacci (Full)	1123.1±12.52µs	1051.8±11.33µs	+6.78%
For loop (Execution)	22.4±0.20µs	21.9±0.10µs	+2.28%
For loop (Full)	304.7±3.12µs	303.9±1.55µs	+0.26%
For loop (Parser)	19.8±0.02µs	20.0±0.06µs	-1.00%
Goal Symbols (Parser)	14.1±0.04µs	14.8±0.48µs	-4.73%
Hello World (Parser)	4.0±0.01µs	4.0±0.02µs	0.00%
Long file (Parser)	803.0±31.01ns	820.0±38.47ns	-2.07%
Mini js (Execution)	553.2±3.19µs	625.2±32.70µs	-11.52%
Mini js (Full)	922.0±23.02µs	971.3±40.81µs	-5.08%
Mini js (Parser)	35.8±0.16µs	35.8±0.15µs	0.00%
Number Object Access (Execution)	4.0±0.06µs	4.1±0.04µs	-2.44%
Number Object Access (Full)	280.6±4.19µs	282.1±2.18µs	-0.53%
Object Creation (Execution)	4.6±0.02µs	4.2±0.08µs	+9.52%
Object Creation (Full)	288.7±3.72µs	283.5±1.53µs	+1.83%
RegExp (Execution)	10.9±0.20µs	11.6±0.21µs	-6.03%
RegExp (Full)	301.5±0.87µs	300.3±2.56µs	+0.40%
RegExp Literal (Execution)	11.0±0.13µs	11.8±0.17µs	-6.78%
RegExp Literal (Full)	295.7±5.34µs	296.5±2.54µs	-0.27%
RegExp Literal Creation (Execution)	9.7±0.16µs	10.3±0.15µs	-5.83%
RegExp Literal Creation (Full)	285.1±4.10µs	292.5±1.69µs	-2.53%
Static Object Property Access (Execution)	4.8±0.02µs	4.5±0.07µs	+6.67%
Static Object Property Access (Full)	285.8±2.94µs	283.8±2.78µs	+0.70%
String Object Access (Execution)	7.2±0.12µs	7.1±0.13µs	+1.41%
String Object Access (Full)	294.5±3.31µs	291.7±1.20µs	+0.96%
String comparison (Execution)	6.6±0.11µs	6.6±0.07µs	0.00%
String comparison (Full)	288.0±5.15µs	289.2±0.57µs	-0.41%
String concatenation (Execution)	5.3±0.05µs	5.1±0.09µs	+3.92%
String concatenation (Full)	281.3±4.89µs	281.2±1.04µs	+0.04%
String copy (Execution)	4.0±0.05µs	3.9±0.03µs	+2.56%
String copy (Full)	277.6±2.06µs	277.3±3.74µs	+0.11%
Symbols (Execution)	3.4±0.01µs	3.4±0.11µs	0.00%
Symbols (Full)	273.2±2.27µs	272.8±3.50µs	+0.15%

Razican · 2021-05-24T17:36:53Z

boa/src/syntax/ast/node/statement_list/mod.rs

@@ -72,6 +72,16 @@ impl StatementList {
        set
    }

+    pub fn function_declared_names(&self) -> HashSet<&str> {


I would add a bit of documentation to this function, to explain what it does.

Add default parameter support

c0f8a86

0x7D2B added execution Issues or PRs related to code execution rust Pull requests that update Rust code technical debt labels May 22, 2021

0x7D2B requested review from RageKnify and Razican May 22, 2021 12:55

RageKnify requested changes May 22, 2021

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Update second environment

c9b44e2

Use map instead of if let, remove empty line

a5838cb

0x7D2B requested a review from RageKnify May 22, 2021 13:21

Razican reviewed May 22, 2021

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Razican requested a review from HalidOdat May 22, 2021 14:14

Razican added this to the v0.12.0 milestone May 22, 2021

Razican linked an issue May 22, 2021 that may be closed by this pull request

Panic trying to re-define the "arguments" identifier in a function #1062

Closed

RageKnify requested changes May 22, 2021

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Inline call and construct methods

c72dd00

Co-authored-by: Iban Eguia <razican@protonmail.ch>

Handle cases where arguments object is not needed

72b35e7

0x7D2B mentioned this pull request May 23, 2021

Duplicate code in Boa #1184

Closed

0x7D2B requested review from RageKnify and Razican May 23, 2021 06:46

RageKnify requested changes May 24, 2021

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Reword arguments object comment

b4e57dc

0x7D2B requested a review from RageKnify May 24, 2021 14:14

Razican approved these changes May 24, 2021

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Razican reviewed May 24, 2021

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RageKnify approved these changes May 27, 2021

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0x7D2B merged commit 3acef7b into master May 27, 2021

0x7D2B deleted the feature/default-parameters branch May 27, 2021 09:14

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Add default parameter support #1273

Add default parameter support #1273

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github-actions bot commented May 22, 2021 •

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Razican May 24, 2021

Add default parameter support #1273

Add default parameter support #1273

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Test262 conformance changes:

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Benchmark for a84880f

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Benchmark for 342aa2c

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Benchmark for 2eb9f23

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Benchmark for e02d2f7

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