Now I tried to hook modifier logic to test and I cannot have two modifiers.
I thought that
modifiers
: modifier 'modifier'
| modifiers modifier 'modifier'
;
allows one to have 'public static' but apparently not so I'm totally
confused.
On Mon, Mar 27, 2017 at 6:30 PM, Stephane Ducasse <stepharo.s...@gmail.com>
wrote:
> Hi john
>
> I'm learning smacc as a challenge :) I read a review the tutorial that we
> extracted form your doc.
>
> I have the following expression
>
> FunctionTypeName = 'function' TypeNameList ( 'internal' | 'external' |
> 'constant' | 'payable' )* ( 'returns' TypeNameList )?
>
> and I started to handle the 'internal'....
>
> Now my grammar does not succeed to parse
> (self parser parseFunctionTypeNameOptions: 'internal payable')
>
> Attempt one: did not work
> ===================
> FunctionTypeNameOptions
> : {{}}
> | FunctionTypeNameOptions "internal" 'option' {{}}
> | FunctionTypeNameOptions "external" 'option' {{}}
> | FunctionTypeNameOptions "constant" 'option' {{}}
> | FunctionTypeNameOptions "payable" 'option' {{}}
>
>
> Attempt two: did not work
> ===================
> FunctionTypeNameOptions
> :
> | FunctTypeNameOptions
> ;
> FunctTypeNameOptions
> : FunctTypeNameOptions "internal" 'option' {{}}
> | FunctTypeNameOptions "external" 'option' {{}}
> | FunctTypeNameOptions "constant" 'option' {{}}
> | FunctTypeNameOptions "payable" 'option' {{}}
> ;
>
> Attempt three: did not work
> =====================
>
> FunctionTypeNameOptions
> :
> | FunctTypeNameOptions
> ;
>
> FunctTypeNameOptions
> : FunctTypeNameOption 'option'
> | FunctTypeNameOptions FunctTypeNameOption 'option'
> ;
> FunctTypeNameOption
> : "internal" 'option' {{}}
> | "external" 'option' {{}}
> | "constant" 'option' {{}}
> | "payable" 'option' {{}}
> ;
>
>
>
> I studied the JavaParser and I do not get why my version does not work
>
> modifiers_opt
> :
> | modifiers
> ;
> modifiers
> : modifier 'modifier'
> | modifiers modifier 'modifier'
> ;
> modifier
> : "public" 'token' {{Modifier}}
> | "protected" 'token' {{Modifier}}
> | "private" 'token' {{Modifier}}
> | "static" 'token' {{Modifier}}
> ;
>
>
> Thanks in advance. I could have try to do it in petitParser but I want to
> have a real experience with Smacc.
>
> Stef
>
>
>
>
>
>
>
>
>
>
