check syntax

oleg · December 2017

gideros does not detect this error

a={1,2,3,}

can you add such a check?

antix · December 2017

How is that an error? a still contains those 3 variables right?

oleg · December 2017

antix said:
How is that an error? a still contains those 3 variables right?

coma at the end

antix · December 2017

oh, I didn't know about that. I always leave a trailing comma at the interior end of all of my tables hehehe. If that was ever picked up as an error I'd have a lot of search/replacing to do

oleg · December 2017

@antix
From this error, the compiled game flew away

hgy29 · December 2017

@oleg, if this is not picked up as an error, it means that it isn’t an error at all

it is valid lua code.

oleg · December 2017

hgy29 said:
@oleg, if this is not picked up as an error, it means that it isn’t an error at all it is valid lua code.

the game is closed after the start
I was looking for a reason for 2 hours

hgy29 · December 2017

Then we’d rather ask ourselves why your game crashed at first since that comma is valid (and as no effect) in lua

oleg · December 2017

this is all that was in main.lua

sceneManager = SceneManager.new({
	["menu"] = menu,
	["lvlbox"] = lvlbox ,
	["game"] = game,
	["fin"] = fin 
})
 
sceneManager:addEventListener("transitionBegin", function() print("manager - transition begin") end)
sceneManager:addEventListener("transitionEnd", function() print("manager - transition end") end)
stage:addChild(sceneManager)
transitions = {
	SceneManager.moveFromLeft,
	SceneManager.moveFromRight,
	SceneManager.moveFromBottom,
	SceneManager.moveFromTop,
	SceneManager.moveFromLeftWithFade,
	SceneManager.moveFromRightWithFade,
	SceneManager.moveFromBottomWithFade,
	SceneManager.moveFromTopWithFade,
	SceneManager.overFromLeft,
	SceneManager.overFromRight,
	SceneManager.overFromBottom,
	SceneManager.overFromTop,
	SceneManager.overFromLeftWithFade,
	SceneManager.overFromRightWithFade,
	SceneManager.overFromBottomWithFade,
	SceneManager.overFromTopWithFade,
	SceneManager.fade,
	SceneManager.crossFade,
	SceneManager.flip,
	SceneManager.flipWithFade,
	SceneManager.flipWithShade
}--21
eas={
easing.inBack, 
easing.inBack,
easing.outBack,
easing.inOutBack,
easing.inBounce,
easing.outBounce,
easing.inOutBounce,
easing.inCircular,
easing.outCircular,
easing.inOutCircular,
easing.inCubic,
easing.outCubic,
easing.inOutCubic,
easing.inElastic,
easing.outElastic,
easing.inOutElastic,
easing.inExponential,
easing.outExponential,
easing.inOutExponential,
easing.noneLinear,
easing.inQuadratic,
easing.outQuadratic,
easing.inOutQuadratic,
easing.inQuartic,
easing.outQuartic,
easing.inOutQuartic,
easing.inQuintic,
easing.outQuintic,
easing.inOutQuintic,
easing.inSine,
easing.outSine,
easing.inOutSine,
} 
star={}
 
pac=1
level=1  
 
sceneManager:changeScene("menu", 1,  transitions[math.random(1, 21)],eas[math.random(1, 31)])

SinisterSoft · December 2017

sceneManager:changeScene("menu", 1, transitions[math.random(#transitions)],eas[math.random(#eas)])
if that fails then one if the transitions or one of the easing is pointing to something bad.

oleg · December 2017

@SinisterSoft main.lua is executed at the end

then after it there is no code that can be affected by an incorrectly set comma

I just want gideros - showing a warning with such a mistake " , } "

hgy29 · December 2017

What error message does it give you really ? As said before, leaving a comma after the last element of a table is NOT a mistake, it is a lua official feature. it does nothing though, but it is convenient.

SinisterSoft · December 2017

There is no bug with that statement, the error must be somewhere else.

test={1,2,3}
print(#test)  -- outputs 3
test={1,2,3,}
print(#test)  -- outputs 3

It's valid syntax, the length of the table is the same either way.

What is the error when run?

oleg · December 2017

There is no error when launching in the player

By launching "apk" on adroid, the game automatically closes- this is a mistake

I spent a lot of time to get the cause of the error
because gideros did not warn that mee in the code is ",}"

hgy29 · December 2017

you can check the error from Android logcat

keszegh · December 2017

so just to make it clear, if you delete the comma and change nothing else, then it runs fine without crashing?

oleg · December 2017

@hgy29 I agree with you
but checking the syntax is easier

hgy29 · December 2017

yes, but no, there is no point checking the syntax this is is correct code! why gideros would warn about correct syntax ?

oleg · December 2017

@hgy29 because it is convenient

oleg · December 2017

if I could add macros in gideros myself

syntax validation, code formatting, snippet insertion etc.

oleg · December 2017

keszegh said:
so just to make it clear, if you delete the comma and change nothing else, then it runs fine without crashing?

yes

totebo · March 2018

That seems unlikely to me. I use trailing commas all the time (very handy!) and have five games released on Android with no issues.

No issues related to the trailing commas, I mean. I am as good as anyone to include random bugs in my games.

SinisterSoft · March 2018

I wonder if it's a unicode thing - if a language setting in the os somehow changes what a trailing comma is to a character that looks like a comma - but isn't ?

totebo · March 2018

SinisterSoft said:
I wonder if it's a unicode thing - if a language setting in the os somehow changes what a trailing comma is to a character that looks like a comma - but isn't ?

That's a clever guess, Dr Watson! How can we test this?

oleg · March 2018

coma latin layout - ","
coma cyrillic- ","

their codes are the same

hgy29 · March 2018

@oleg, can you make it happen again (the issue with the traling comma) ? If so and if you can send me a sample project I will have a look at what happens in lua parser

oleg · March 2018

ок, I will try to find that project

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