Port type computer to Langium #541
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lars-reimann
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Closes partially #541 ### Summary of Changes Implement a data-driven way to test the type computer. Tests should be much faster to implement than in our old Xtext version now. --------- Co-authored-by: megalinter-bot <129584137+megalinter-bot@users.noreply.github.com>
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Closes partially #541 ### Summary of Changes Add a very basic implementation of a type computer that can only deal with literals and template strings. It does, however, lay the groundwork to implement more complex features later, by adding a system to access builtin classes like `String` and registering the type computer as an added service. --------- Co-authored-by: megalinter-bot <129584137+megalinter-bot@users.noreply.github.com>
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Oct 5, 2023
Closes partially #541. ### Summary of Changes Port almost the entire functionality of the Xtext type computer to Langium. Only the following tasks are still missing for feature parity, but they require work in other areas of the language first: * Elvis operator with nullable left side (**needs type checker**) * Parameters of block lambdas passed as arguments (**needs scoping**) * Parameters of expression lambdas passed as arguments (**needs scoping**)
lars-reimann
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Closes partially #541 ### Summary of Changes * Compute the type of parameters of lambdas that are passed as arguments. * Compute the type of lambdas that are passed as arguments.
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## [0.2.0](v0.1.0...v0.2.0) (2023-10-25) ### Features * `const` modifier to replace `@Constant` annotation ([#618](#618)) ([ea4a9ba](ea4a9ba)), closes [#558](#558) * allow instance and static members of classes to have the same name ([#583](#583)) ([1b04905](1b04905)) * automatic formatting in Langium ([#526](#526)) ([922af22](922af22)), closes [#31](#31) [#33](#33) [#513](#513) [#433](#433) * basic implementation of partial evaluator service ([#649](#649)) ([10ed8bf](10ed8bf)), closes [#603](#603) * built-in library ([#557](#557)) ([7998eb1](7998eb1)), closes [#433](#433) * check `@PythonName` and `@PythonModule` ([#641](#641)) ([5a9dcbb](5a9dcbb)), closes [#543](#543) * check context of union types ([#677](#677)) ([e846b59](e846b59)), closes [#675](#675) * check template expressions inside `@PythonCall` ([#686](#686)) ([09bfb38](09bfb38)) * comment provider ([#688](#688)) ([e4a1b35](e4a1b35)), closes [#669](#669) * compute types of lambdas that are passed as arguments ([#604](#604)) ([25c8707](25c8707)), closes [#541](#541) * document symbol provider ([#659](#659)) ([fe0c8d5](fe0c8d5)) * documentation provider ([#689](#689)) ([ff70b07](ff70b07)), closes [#669](#669) * ensure that all assignees get a value ([#630](#630)) ([e8e2bf6](e8e2bf6)), closes [#543](#543) * error if @pythonName and @PythonCall are set on a function ([#685](#685)) ([d22c446](d22c446)) * error if argument lists are missing ([#642](#642)) ([f5ee1bd](f5ee1bd)), closes [#543](#543) * error if class or enum are statically referenced ([#643](#643)) ([8b076e7](8b076e7)), closes [#543](#543) * error if divisor is zero ([#644](#644)) ([9af3b81](9af3b81)), closes [#543](#543) * error if function pointers are used ([#629](#629)) ([01933b9](01933b9)), closes [#565](#565) [#543](#543) * error if lambda is used in wrong context ([#647](#647)) ([2d2ccc6](2d2ccc6)), closes [#409](#409) [#543](#543) * error if left operand of type parameter constraint does not belong to declaration with constraint ([#571](#571)) ([cba3abf](cba3abf)), closes [#562](#562) * error if member access must be null safe but isn't ([#626](#626)) ([077daff](077daff)), closes [#543](#543) * error if names are not unique (part 2) ([#640](#640)) ([38d1181](38d1181)), closes [#543](#543) * error if pipeline file is in a `safeds.xy` package ([#673](#673)) ([867bae3](867bae3)), closes [#671](#671) * error if placeholder is alias for parameter or placeholder ([#628](#628)) ([b99ab25](b99ab25)), closes [#564](#564) [#543](#543) * error if simple names of builtin declarations collide ([#678](#678)) ([275ad5e](275ad5e)), closes [#672](#672) * error if single use annotations are used multiple times ([#631](#631)) ([17a5b7a](17a5b7a)), closes [#543](#543) * error if type parameters don't have sufficient context ([#687](#687)) ([ea8fe29](ea8fe29)) * error if value assigned to constant parameters is not constant ([#646](#646)) ([097764d](097764d)), closes [#543](#543) * error if wildcard import has alias ([#574](#574)) ([4ba7873](4ba7873)), closes [#543](#543) * extensions for the `NodeMapper` ([#606](#606)) ([4fd8d86](4fd8d86)) * generation ([#634](#634)) ([c52b5e6](c52b5e6)), closes [#542](#542) * handle backticks surrounding IDs ([#622](#622)) ([608e470](608e470)), closes [#579](#579) * improved TextMate grammar ([#623](#623)) ([d7ff0e2](d7ff0e2)) * info if elvis operator is unnecessary ([#645](#645)) ([dcc05ce](dcc05ce)), closes [#543](#543) * info if import alias can be removed ([#637](#637)) ([83936b8](83936b8)), closes [#636](#636) * inlay hint provider ([#683](#683)) ([f23fa29](f23fa29)), closes [#679](#679) * intermediate type computer ([#600](#600)) ([8d68a42](8d68a42)), closes [#541](#541) * Langium grammar ([#470](#470)) ([c439c19](c439c19)), closes [#433](#433) * list & map literals ([#619](#619)) ([e3b2870](e3b2870)), closes [#615](#615) [#616](#616) * mark union types as experimental ([#676](#676)) ([4656c25](4656c25)), closes [#674](#674) * node mapper ([#602](#602)) ([a13e5b5](a13e5b5)) * port additional checks ([#567](#567)) ([2803305](2803305)), closes [#543](#543) * port additional validation checks to `Langium ([#576](#576)) ([8f5d57a](8f5d57a)), closes [#543](#543) * port remaining validation infos that don't need partial evaluation ([#607](#607)) ([d53bda3](d53bda3)), closes [#543](#543) * port validation of parameter lists ([#573](#573)) ([bd73bc5](bd73bc5)), closes [#543](#543) * Python-like import syntax ([#598](#598)) ([4c61b8c](4c61b8c)) * PythonCall annotation ([#684](#684)) ([15114df](15114df)), closes [#617](#617) * remove star projection and use-site variance ([#597](#597)) ([928f487](928f487)) * remove type arguments from calls ([#581](#581)) ([3e88f02](3e88f02)) * resolve references to declarations in other files ([#586](#586)) ([6b30de5](6b30de5)), closes [#540](#540) * scoping for named types ([#563](#563)) ([a877f4c](a877f4c)), closes [#540](#540) * scoping for own members ([#611](#611)) ([43b276f](43b276f)), closes [#540](#540) * scoping for references to own static members ([#582](#582)) ([38afc07](38afc07)), closes [#540](#540) * scoping for type arguments ([#585](#585)) ([3da8dd0](3da8dd0)), closes [#540](#540) * scoping of annotation calls, type parameter constraints & yields ([#561](#561)) ([a510f2b](a510f2b)), closes [#540](#540) * scoping of arguments ([#601](#601)) ([6b486cd](6b486cd)), closes [#540](#540) * scoping of direct references to declarations in same file ([#580](#580)) ([491d7b0](491d7b0)), closes [#540](#540) * semantic highlighting ([#653](#653)) ([fe8c602](fe8c602)), closes [#27](#27) * show info if unnecessary syntax is used ([#566](#566)) ([c26d33a](c26d33a)), closes [#543](#543) * show info that empty constraint lists can be removed ([#572](#572)) ([af13e28](af13e28)), closes [#570](#570) * stop validation after lexing/parsing errors ([#662](#662)) ([ba1e9a8](ba1e9a8)) * syntax and formatting for literal types ([#529](#529)) ([32aca34](32aca34)), closes [#80](#80) * syntax highlighting in documentation comments ([#690](#690)) ([83364d3](83364d3)), closes [#669](#669) * unique names withing declarations ([#575](#575)) ([47ce782](47ce782)), closes [#543](#543) * validate package of imports ([#627](#627)) ([18641de](18641de)), closes [#543](#543) * validation for annotation target ([#670](#670)) ([fa7631d](fa7631d)), closes [#543](#543) * validation for results of segments ([#613](#613)) ([bf20c7c](bf20c7c)), closes [#543](#543) * validation for type arguments of named types ([#632](#632)) ([b72768c](b72768c)), closes [#543](#543) * value converter for strings & ints ([#655](#655)) ([aafa2e3](aafa2e3)) * various checks for annotations on parameters and results ([#625](#625)) ([e77037e](e77037e)), closes [#543](#543) * various checks for argument lists ([#648](#648)) ([d76e597](d76e597)), closes [#543](#543) * various checks for calls ([#638](#638)) ([e0fa032](e0fa032)), closes [#543](#543) * various checks related to inheritance ([#633](#633)) ([7ec746a](7ec746a)), closes [#543](#543) * various features related to literal types ([#657](#657)) ([1775705](1775705)), closes [#80](#80) * very basic type computer ([#596](#596)) ([b3d786c](b3d786c)), closes [#541](#541) * warn if deprecated/experimental declarations are used ([#608](#608)) ([9b5287c](9b5287c)), closes [#543](#543) [#540](#540) * warn if experimental language features are used ([#624](#624)) ([090fcc3](090fcc3)), closes [#108](#108) * warn if parameters or placeholders are unused ([#612](#612)) ([3a2e9cc](3a2e9cc)), closes [#543](#543) * warning if literal types or union types have duplicate entries ([#658](#658)) ([9ba9d20](9ba9d20)) ### Bug Fixes * CLI startup ([#560](#560)) ([4bde898](4bde898)) * duplicate error if annotation call has no argument list and lacks required parameters ([#650](#650)) ([4ba2c2c](4ba2c2c)) * mark map literals as experimental ([#656](#656)) ([ca47870](ca47870)) * resolution of references to declarations of wrong node type ([#599](#599)) ([6ae387a](6ae387a))
lars-reimann
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Oct 31, 2023
Closes #541. ### Summary of Changes Add logic to compute the lowest common supertype of several types. This is needed to compute the type of elvis operators with a nullable left operand. It's also later needed for the inference of type parameters.
lars-reimann
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Nov 12, 2023
## [0.3.0](v0.2.0...v0.3.0) (2023-11-12) ### Features * annotations for the purity of functions ([#709](#709)) ([9d342e4](9d342e4)), closes [#559](#559) * call hierarchy provider ([#735](#735)) ([168d098](168d098)), closes [#680](#680) * compute type of elvis operators with nullable left operand ([#715](#715)) ([376b083](376b083)), closes [#541](#541) * customize rendering of `[@param](https://github.com/param)`, `[@Result](https://github.com/result)`, and `[@type](https://github.com/type)Param` tags ([#764](#764)) ([e049148](e049148)), closes [#669](#669) * ensure an overriding member matches the overridden one ([#758](#758)) ([a698a6a](a698a6a)), closes [#639](#639) * error if callable type is used in wrong context ([#763](#763)) ([9b1522f](9b1522f)), closes [#713](#713) * error if type parameter is used in nested named type declaration ([#750](#750)) ([52374aa](52374aa)), closes [#748](#748) * info if overriding member is not needed ([#759](#759)) ([23b340e](23b340e)), closes [#25](#25) * mark constraint lists as experimental ([#752](#752)) ([d48e1e0](d48e1e0)), closes [#18](#18) * mark type parameter lists and type argument lists as experimental ([#755](#755)) ([f1a052a](f1a052a)), closes [#753](#753) * mark unused internal/private segments as unnecessary ([#710](#710)) ([3ba8698](3ba8698)), closes [#682](#682) * minor improvements for purity info ([#728](#728)) ([8d59607](8d59607)) * partially evaluate lambdas and segments ([#734](#734)) ([c40347c](c40347c)), closes [#603](#603) * scoping for inherited members ([#706](#706)) ([4518aee](4518aee)), closes [#540](#540) * scoping for member access on literals and literal types ([#754](#754)) ([e60e456](e60e456)), closes [#80](#80) * scoping for references to containing declarations ([#708](#708)) ([3762c36](3762c36)), closes [#540](#540) * show an error if a pure parameter does not have a callable type ([#736](#736)) ([6c52868](6c52868)), closes [#729](#729) * show error if own declaration has same name as core one ([#762](#762)) ([8cb2120](8cb2120)), closes [#760](#760) * signature help ([#724](#724)) ([ed33676](ed33676)), closes [#24](#24) * Source Maps for Code Generation ([#714](#714)) ([64b9e07](64b9e07)), closes [#30](#30) * tooltips for inlay hints ([#721](#721)) ([3e71cad](3e71cad)) * type checker service ([#722](#722)) ([daad5c4](daad5c4)), closes [#666](#666) * type checking ([#723](#723)) ([a9eb3bb](a9eb3bb)), closes [#666](#666) * type checking for list & map literals ([#751](#751)) ([dc14223](dc14223)), closes [#712](#712) * type hierarchy provider ([#737](#737)) ([9fd5f0c](9fd5f0c)), closes [#681](#681) * VS Code snippets ([#757](#757)) ([fd6f432](fd6f432)), closes [#756](#756) ### Bug Fixes * assignability of static type to callable type ([#725](#725)) ([1d17900](1d17900)) * NPEs during validation ([#727](#727)) ([4b8196f](4b8196f)) * prevent overwriting core declarations ([#761](#761)) ([36663ca](36663ca)) * prevent references to following parameters from default values ([#707](#707)) ([182d64b](182d64b)), closes [#540](#540) * setup of CLI ([#698](#698)) ([0b5d90d](0b5d90d))
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Remaining TODOs: Compute the type of
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