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Update grammar.md (#909)

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Fix issues mentioned in https://github.com/Roblox/luau/issues/908
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JohnnyMorganz 2023-04-24 20:21:26 +01:00 committed by GitHub
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1 changed files with 5 additions and 5 deletions
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@ -33,19 +33,19 @@ parlist = bindinglist [',' '...'] | '...'
explist = {exp ','} exp explist = {exp ','} exp
namelist = NAME {',' NAME} namelist = NAME {',' NAME}
binding = NAME [':' TypeAnnotation] binding = NAME [':' Type]
bindinglist = binding [',' bindinglist] (* equivalent of Lua 5.1 'namelist', except with optional type annotations *) bindinglist = binding [',' bindinglist] (* equivalent of Lua 5.1 'namelist', except with optional type annotations *)
var = NAME | prefixexp '[' exp ']' | prefixexp '.' Name var = NAME | prefixexp '[' exp ']' | prefixexp '.' NAME
varlist = var {',' var} varlist = var {',' var}
prefixexp = var | functioncall | '(' exp ')' prefixexp = var | functioncall | '(' exp ')'
functioncall = prefixexp funcargs | prefixexp ':' NAME funcargs functioncall = prefixexp funcargs | prefixexp ':' NAME funcargs
exp = (asexp | unop exp) { binop exp } exp = asexp { binop exp } | unop exp { binop exp }
ifelseexp = 'if' exp 'then' exp {'elseif' exp 'then' exp} 'else' exp ifelseexp = 'if' exp 'then' exp {'elseif' exp 'then' exp} 'else' exp
asexp = simpleexp ['::' Type] asexp = simpleexp ['::' Type]
stringinterp = INTERP_BEGIN exp { INTERP_MID exp } INTERP_END stringinterp = INTERP_BEGIN exp { INTERP_MID exp } INTERP_END
simpleexp = NUMBER | STRING | 'nil' | 'true' | 'false' | '...' | tableconstructor | 'function' body | prefixexp | ifelseexp | stringinterp simpleexp = NUMBER | STRING | 'nil' | 'true' | 'false' | '...' | tableconstructor | 'function' funcbody | prefixexp | ifelseexp | stringinterp
funcargs = '(' [explist] ')' | tableconstructor | STRING funcargs = '(' [explist] ')' | tableconstructor | STRING
tableconstructor = '{' [fieldlist] '}' tableconstructor = '{' [fieldlist] '}'
@ -85,5 +85,5 @@ TableProp = NAME ':' Type
TablePropOrIndexer = TableProp | TableIndexer TablePropOrIndexer = TableProp | TableIndexer
PropList = TablePropOrIndexer {fieldsep TablePropOrIndexer} [fieldsep] PropList = TablePropOrIndexer {fieldsep TablePropOrIndexer} [fieldsep]
TableType = '{' PropList '}' TableType = '{' PropList '}'
FunctionType = ['<' GenericTypeList '>'] '(' [TypeList] ')' '->' ReturnType FunctionType = ['<' GenericTypeParameterList '>'] '(' [TypeList] ')' '->' ReturnType
``` ```