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|
local State
local pushError
local grammar = [[
EmmyLua <- ({} '---' EmmyBody {} ShortComment)
-> EmmyLua
EmmySp <- (!'---@' !'---' Comment / %s / %nl)*
EmmyComments <- (EmmyComment (%nl EmmyComMulti / %nl EmmyComSingle)*)
EmmyComment <- EmmySp %s* {(!%nl .)*}
EmmyComMulti <- EmmySp '---|' {} -> en {(!%nl .)*}
EmmyComSingle <- EmmySp '---' !'@' %s* {} -> ' ' {(!%nl .)*}
EmmyBody <- '@class' %s+ EmmyClass -> EmmyClass
/ '@type' %s+ EmmyType -> EmmyType
/ '@alias' %s+ EmmyAlias -> EmmyAlias
/ '@param' %s+ EmmyParam -> EmmyParam
/ '@return' %s+ EmmyReturn -> EmmyReturn
/ '@field' %s+ EmmyField -> EmmyField
/ '@generic' %s+ EmmyGeneric -> EmmyGeneric
/ '@vararg' %s+ EmmyVararg -> EmmyVararg
/ '@language' %s+ EmmyLanguage -> EmmyLanguage
/ '@see' %s+ EmmySee -> EmmySee
/ '@overload' %s+ EmmyOverLoad -> EmmyOverLoad
/ %s* EmmyComments -> EmmyComment
/ EmmyIncomplete
EmmyName <- ({} {[a-zA-Z_] [a-zA-Z0-9_]*})
-> EmmyName
MustEmmyName <- EmmyName / DirtyEmmyName
DirtyEmmyName <- {} -> DirtyEmmyName
EmmyLongName <- ({} {(!%nl .)+})
-> EmmyName
EmmyIncomplete <- MustEmmyName
-> EmmyIncomplete
EmmyClass <- (MustEmmyName EmmyParentClass?)
EmmyParentClass <- %s* {} ':' %s* MustEmmyName
EmmyType <- EmmyTypeUnits EmmyTypeEnums
EmmyTypeUnits <- {|
EmmyTypeUnit?
(%s* '|' %s* !String EmmyTypeUnit)*
|}
EmmyTypeEnums <- {| EmmyTypeEnum* |}
EmmyTypeUnit <- EmmyFunctionType
/ EmmyTableType
/ EmmyArrayType
/ EmmyCommonType
EmmyCommonType <- EmmyName
-> EmmyCommonType
EmmyTypeEnum <- %s* (%nl %s* '---')? '|'? EmmyEnum
-> EmmyTypeEnum
EmmyEnum <- %s* {'>'?} %s* String (EmmyEnumComment / (!%nl !'|' .)*)
EmmyEnumComment <- %s* '#' %s* {(!%nl .)*}
EmmyAlias <- MustEmmyName %s* EmmyType EmmyTypeEnum*
EmmyParam <- MustEmmyName %s* EmmyType %s* EmmyOption %s* EmmyTypeEnum*
EmmyOption <- Table?
-> EmmyOption
EmmyReturn <- {} %nil {} Table -> EmmyOption
/ {} EmmyType {} EmmyOption
EmmyField <- (EmmyFieldAccess MustEmmyName %s* EmmyType)
EmmyFieldAccess <- ({'public'} Cut %s*)
/ ({'protected'} Cut %s*)
/ ({'private'} Cut %s*)
/ {} -> 'public'
EmmyGeneric <- EmmyGenericBlock
(%s* ',' %s* EmmyGenericBlock)*
EmmyGenericBlock<- (MustEmmyName %s* (':' %s* EmmyType)?)
-> EmmyGenericBlock
EmmyVararg <- EmmyType
EmmyLanguage <- MustEmmyName
EmmyArrayType <- ({} MustEmmyName -> EmmyCommonType {} '[' DirtyBR)
-> EmmyArrayType
/ ({} PL EmmyCommonType DirtyPR '[' DirtyBR)
-> EmmyArrayType
EmmyTableType <- ({} 'table' Cut '<' %s* EmmyType %s* ',' %s* EmmyType %s* '>' {})
-> EmmyTableType
EmmyFunctionType<- ({} 'fun' Cut %s* EmmyFunctionArgs %s* EmmyFunctionRtns {})
-> EmmyFunctionType
EmmyFunctionArgs<- ('(' %s* EmmyFunctionArg %s* (',' %s* EmmyFunctionArg %s*)* DirtyPR)
-> EmmyFunctionArgs
/ '(' %nil DirtyPR -> None
/ %nil
EmmyFunctionRtns<- (':' %s* EmmyType (%s* ',' %s* EmmyType)*)
-> EmmyFunctionRtns
/ %nil
EmmyFunctionArg <- MustEmmyName %s* ':' %s* EmmyType
EmmySee <- {} MustEmmyName %s* '#' %s* MustEmmyName {}
EmmyOverLoad <- EmmyFunctionType
]]
local ast = {
EmmyLua = function (start, emmy, finish)
emmy.start = start
emmy.finish = finish - 1
State.emmy[#State.emmy+1] = emmy
end,
EmmyName = function (start, str)
return {
type = 'name',
start = start,
finish = start + #str - 1,
[1] = str,
}
end,
DirtyEmmyName = function (pos)
pushError {
type = 'MISS_NAME',
level = 'warning',
start = pos,
finish = pos,
}
return {
type = 'emmyName',
start = pos-1,
finish = pos-1,
[1] = ''
}
end,
EmmyClass = function (class, startPos, extends)
if extends and extends[1] == '' then
extends.start = startPos
end
return {
type = 'class',
class = class,
extends = extends,
}
end,
EmmyType = function (types, enums)
local result = {
type = 'type',
types = types,
enums = enums,
}
return result
end,
EmmyCommonType = function (name)
return {
type = 'common',
start = name.start,
finish = name.finish,
name = name,
}
end,
EmmyArrayType = function (start, emmy, _, finish)
emmy.type = 'emmyArrayType'
emmy.start = start
emmy.finish = finish - 1
return emmy
end,
EmmyTableType = function (start, keyType, valueType, finish)
return {
type = 'emmyTableType',
start = start,
finish = finish - 1,
[1] = keyType,
[2] = valueType,
}
end,
EmmyFunctionType = function (start, args, returns, finish)
local result = {
start = start,
finish = finish - 1,
type = 'emmyFunctionType',
args = args,
returns = returns,
}
return result
end,
EmmyFunctionRtns = function (...)
return {...}
end,
EmmyFunctionArgs = function (...)
local args = {...}
args[#args] = nil
return args
end,
EmmyAlias = function (name, emmyName, ...)
return {
type = 'emmyAlias',
start = name.start,
finish = emmyName.finish,
name,
emmyName,
...
}
end,
EmmyParam = function (argName, emmyName, option, ...)
local emmy = {
type = 'emmyParam',
option = option,
argName,
emmyName,
...
}
emmy.start = emmy[1].start
emmy.finish = emmy[#emmy].finish
return emmy
end,
EmmyReturn = function (start, type, finish, option)
local emmy = {
type = 'emmyReturn',
option = option,
start = start,
finish = finish - 1,
[1] = type,
}
return emmy
end,
EmmyField = function (access, fieldName, ...)
local obj = {
type = 'emmyField',
access, fieldName,
...
}
obj.start = obj[2].start
obj.finish = obj[3].finish
return obj
end,
EmmyGenericBlock = function (genericName, parentName)
return {
start = genericName.start,
finish = parentName and parentName.finish or genericName.finish,
genericName,
parentName,
}
end,
EmmyGeneric = function (...)
local emmy = {
type = 'emmyGeneric',
...
}
emmy.start = emmy[1].start
emmy.finish = emmy[#emmy].finish
return emmy
end,
EmmyVararg = function (typeName)
return {
type = 'emmyVararg',
start = typeName.start,
finish = typeName.finish,
typeName,
}
end,
EmmyLanguage = function (language)
return {
type = 'emmyLanguage',
start = language.start,
finish = language.finish,
language,
}
end,
EmmySee = function (start, className, methodName, finish)
return {
type = 'emmySee',
start = start,
finish = finish - 1,
className, methodName
}
end,
EmmyOverLoad = function (EmmyFunctionType)
EmmyFunctionType.type = 'emmyOverLoad'
return EmmyFunctionType
end,
EmmyIncomplete = function (emmyName)
emmyName.type = 'emmyIncomplete'
return emmyName
end,
EmmyComment = function (...)
return {
type = 'emmyComment',
[1] = table.concat({...}),
}
end,
EmmyOption = function (options)
if not options or options == '' then
return nil
end
local option = {}
for _, pair in ipairs(options) do
if pair.type == 'pair' then
local key = pair[1]
local value = pair[2]
if key.type == 'name' then
option[key[1]] = value[1]
end
end
end
return option
end,
EmmyTypeEnum = function (default, enum, comment)
enum.type = 'enum'
if default ~= '' then
enum.default = true
end
enum.comment = comment
return enum
end,
}
local function init(state)
State = state
pushError = state.pushError
end
return {
grammar = grammar,
ast = ast,
init = init,
}
|
