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common.ml
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(*
* Copyright (C)2005-2013 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*)
open Ast
open Type
type package_rule =
| Forbidden
| Directory of string
| Remap of string
type pos = Ast.pos
type basic_types = {
mutable tvoid : t;
mutable tint : t;
mutable tfloat : t;
mutable tbool : t;
mutable tnull : t -> t;
mutable tstring : t;
mutable tarray : t -> t;
}
type stats = {
s_files_parsed : int ref;
s_classes_built : int ref;
s_methods_typed : int ref;
s_macros_called : int ref;
}
type platform =
| Cross
| Js
| Neko
| Flash
| Php
| Cpp
| Cs
| Java
| C
| Python
(**
The capture policy tells which handling we make of captured locals
(the locals which are referenced in local functions)
See details/implementation in Codegen.captured_vars
*)
type capture_policy =
(** do nothing, let the platform handle it *)
| CPNone
(** wrap all captured variables into a single-element array to allow modifications *)
| CPWrapRef
(** similar to wrap ref, but will only apply to the locals that are declared in loops *)
| CPLoopVars
type platform_config = {
(** has a static type system, with not-nullable basic types (Int/Float/Bool) *)
pf_static : bool;
(** has access to the "sys" package *)
pf_sys : bool;
(** local variables are block-scoped *)
pf_locals_scope : bool;
(** captured local variables are scoped *)
pf_captured_scope : bool;
(** generated locals must be absolutely unique wrt the current function *)
pf_unique_locals : bool;
(** captured variables handling (see before) *)
pf_capture_policy : capture_policy;
(** when calling a method with optional args, do we replace the missing args with "null" constants *)
pf_pad_nulls : bool;
(** add a final return to methods not having one already - prevent some compiler warnings *)
pf_add_final_return : bool;
(** does the platform natively support overloaded functions *)
pf_overload : bool;
(** does the platform generator handle pattern matching *)
pf_pattern_matching : bool;
(** can the platform use default values for non-nullable arguments *)
pf_can_skip_non_nullable_argument : bool;
(** type paths that are reserved on the platform *)
pf_reserved_type_paths : path list;
}
type display_mode =
| DMNone
| DMDefault
| DMUsage
| DMPosition
| DMToplevel
| DMResolve of string
| DMType
type context = {
(* config *)
version : int;
args : string list;
mutable sys_args : string list;
mutable display : display_mode;
mutable debug : bool;
mutable verbose : bool;
mutable foptimize : bool;
mutable platform : platform;
mutable config : platform_config;
mutable std_path : string list;
mutable class_path : string list;
mutable main_class : Type.path option;
mutable defines : (string,string) PMap.t;
mutable package_rules : (string,package_rule) PMap.t;
mutable error : string -> pos -> unit;
mutable warning : string -> pos -> unit;
mutable load_extern_type : (path -> pos -> (string * Ast.package) option) list; (* allow finding types which are not in sources *)
mutable filters : (unit -> unit) list;
mutable final_filters : (unit -> unit) list;
mutable defines_signature : string option;
mutable print : string -> unit;
mutable get_macros : unit -> context option;
mutable run_command : string -> int;
file_lookup_cache : (string,string option) Hashtbl.t;
mutable stored_typed_exprs : (int, texpr) PMap.t;
(* output *)
mutable file : string;
mutable flash_version : float;
mutable features : (string,bool) Hashtbl.t;
mutable modules : Type.module_def list;
mutable main : Type.texpr option;
mutable types : Type.module_type list;
mutable resources : (string,string) Hashtbl.t;
mutable neko_libs : string list;
mutable php_front : string option;
mutable php_lib : string option;
mutable php_prefix : string option;
mutable swf_libs : (string * (unit -> Swf.swf) * (unit -> ((string list * string),As3hl.hl_class) Hashtbl.t)) list;
mutable c_libs : string list;
mutable java_libs : (string * bool * (unit -> unit) * (unit -> (path list)) * (path -> ((JData.jclass * string * string) option))) list; (* (path,std,close,all_files,lookup) *)
mutable net_libs : (string * bool * (unit -> path list) * (path -> IlData.ilclass option)) list; (* (path,std,all_files,lookup) *)
mutable net_std : string list;
net_path_map : (path,string list * string list * string) Hashtbl.t;
mutable c_args : string list;
mutable js_gen : (unit -> unit) option;
(* typing *)
mutable basic : basic_types;
memory_marker : float array;
}
exception Abort of string * Ast.pos
let display_default = ref DMNone
module Define = struct
type strict_defined =
| AbsolutePath
| AdvancedTelemetry
| Analyzer
| As3
| CheckXmlProxy
| CoreApi
| CoreApiSerialize
| Cppia
| Dce
| DceDebug
| Debug
| Display
| DllExport
| DllImport
| DocGen
| Dump
| DumpDependencies
| DumpIgnoreVarIds
| EraseGenerics
| Fdb
| FileExtension
| FlashStrict
| FlashUseStage
| ForceLibCheck
| ForceNativeProperty
| FormatWarning
| GencommonDebug
| HaxeBoot
| HaxeVer
| HxcppApiLevel
| IncludePrefix
| Interp
| JavaVer
| JsClassic
| JsEs5
| JsUnflatten
| KeepOldOutput
| LoopUnrollMaxCost
| Llvm
| Macro
| MacroTimes
| NekoSource
| NekoV1
| NetworkSandbox
| NetVer
| NetTarget
| NoCompilation
| NoCOpt
| NoDeprecationWarnings
| NoFlashOverride
| NoDebug
| NoInline
| NoOpt
| NoPatternMatching
| NoRoot
| NoSimplify
| NoSwfCompress
| NoTraces
| PhpPrefix
| RealPosition
| ReplaceFiles
| Scriptable
| ShallowExpose
| SourceMapContent
| StaticAnalyzer
| Swc
| SwfCompressLevel
| SwfDebugPassword
| SwfDirectBlit
| SwfGpu
| SwfMetadata
| SwfPreloaderFrame
| SwfProtected
| SwfScriptTimeout
| SwfUseDoAbc
| Sys
| Unsafe
| UseNekoc
| UseRttiDoc
| Vcproj
| NoMacroCache
| Last (* must be last *)
let infos = function
| AbsolutePath -> ("absolute_path","Print absolute file path in trace output")
| AdvancedTelemetry -> ("advanced-telemetry","Allow the SWF to be measured with Monocle tool")
| Analyzer -> ("analyzer","Use static analyzer for optimization (experimental)")
| As3 -> ("as3","Defined when outputing flash9 as3 source code")
| CheckXmlProxy -> ("check_xml_proxy","Check the used fields of the xml proxy")
| CoreApi -> ("core_api","Defined in the core api context")
| CoreApiSerialize -> ("core_api_serialize","Mark some generated core api classes with the Serializable attribute on C#")
| Cppia -> ("cppia", "Generate experimental cpp instruction assembly")
| Dce -> ("dce","<mode:std|full||no> Set the dead code elimination mode (default std)")
| DceDebug -> ("dce_debug","Show DCE log")
| Debug -> ("debug","Activated when compiling with -debug")
| Display -> ("display","Activated during completion")
| DllExport -> ("dll_export", "GenCPP experimental linking")
| DllImport -> ("dll_import", "GenCPP experimental linking")
| DocGen -> ("doc_gen","Do not perform any removal/change in order to correctly generate documentation")
| Dump -> ("dump","Dump the complete typed AST for internal debugging in a dump subdirectory - use dump=pretty for Haxe-like formatting")
| DumpDependencies -> ("dump_dependencies","Dump the classes dependencies in a dump subdirectory")
| DumpIgnoreVarIds -> ("dump_ignore_var_ids","Remove variable IDs from non-pretty dumps (helps with diff)")
| EraseGenerics -> ("erase_generics","Erase generic classes on C#")
| Fdb -> ("fdb","Enable full flash debug infos for FDB interactive debugging")
| FileExtension -> ("file_extension","Output filename extension for cpp source code")
| FlashStrict -> ("flash_strict","More strict typing for flash target")
| FlashUseStage -> ("flash_use_stage","Keep the SWF library initial stage")
(* force_lib_check is only here as a debug facility - compiler checking allows errors to be found more easily *)
| ForceLibCheck -> ("force_lib_check","Force the compiler to check -net-lib and -java-lib added classes (internal)")
| ForceNativeProperty -> ("force_native_property","Tag all properties with :nativeProperty metadata for 3.1 compatibility")
| FormatWarning -> ("format_warning","Print a warning for each formated string, for 2.x compatibility")
| GencommonDebug -> ("gencommon_debug","GenCommon internal")
| HaxeBoot -> ("haxe_boot","Given the name 'haxe' to the flash boot class instead of a generated name")
| HaxeVer -> ("haxe_ver","The current Haxe version value")
| HxcppApiLevel -> ("hxcpp_api_level","Provided to allow compatibility between hxcpp versions")
| IncludePrefix -> ("include_prefix","prepend path to generated include files")
| Interp -> ("interp","The code is compiled to be run with --interp")
| JavaVer -> ("java_ver", "<version:5-7> Sets the Java version to be targeted")
| JsClassic -> ("js_classic","Don't use a function wrapper and strict mode in JS output")
| JsEs5 -> ("js_es5","Generate JS for ES5-compliant runtimes")
| JsUnflatten -> ("js_unflatten","Generate nested objects for packages and types")
| KeepOldOutput -> ("keep_old_output","Keep old source files in the output directory (for C#/Java)")
| LoopUnrollMaxCost -> ("loop_unroll_max_cost","Maximum cost (number of expressions * iterations) before loop unrolling is canceled (default 250)")
| Macro -> ("macro","Defined when code is compiled in the macro context")
| MacroTimes -> ("macro_times","Display per-macro timing when used with --times")
| Llvm -> ("llvm","Generate LLVM")
| NetVer -> ("net_ver", "<version:20-45> Sets the .NET version to be targeted")
| NetTarget -> ("net_target", "<name> Sets the .NET target. Defaults to \"net\". xbox, micro (Micro Framework), compact (Compact Framework) are some valid values")
| NekoSource -> ("neko_source","Output neko source instead of bytecode")
| NekoV1 -> ("neko_v1","Keep Neko 1.x compatibility")
| NetworkSandbox -> ("network-sandbox","Use local network sandbox instead of local file access one")
| NoCompilation -> ("no-compilation","Disable final compilation for Cs, Cpp and Java")
| NoCOpt -> ("no_copt","Disable completion optimization (for debug purposes)")
| NoDebug -> ("no_debug","Remove all debug macros from cpp output")
| NoDeprecationWarnings -> ("no-deprecation-warnings","Do not warn if fields annotated with @:deprecated are used")
| NoFlashOverride -> ("no-flash-override", "Change overrides on some basic classes into HX suffixed methods, flash only")
| NoOpt -> ("no_opt","Disable optimizations")
| NoPatternMatching -> ("no_pattern_matching","Disable pattern matching")
| NoInline -> ("no_inline","Disable inlining")
| NoRoot -> ("no_root","Generate top-level types into haxe.root namespace")
| NoMacroCache -> ("no_macro_cache","Disable macro context caching")
| NoSimplify -> "no_simplify",("Disable simplification filter")
| NoSwfCompress -> ("no_swf_compress","Disable SWF output compression")
| NoTraces -> ("no_traces","Disable all trace calls")
| PhpPrefix -> ("php_prefix","Compiled with --php-prefix")
| RealPosition -> ("real_position","Disables haxe source mapping when targetting C#")
| ReplaceFiles -> ("replace_files","GenCommon internal")
| Scriptable -> ("scriptable","GenCPP internal")
| ShallowExpose -> ("shallow-expose","Expose types to surrounding scope of Haxe generated closure without writing to window object")
| SourceMapContent -> ("source-map-content","Include the hx sources as part of the JS source map")
| StaticAnalyzer -> ("static-analyzer","Use static analyzer for optimization (experimental)")
| Swc -> ("swc","Output a SWC instead of a SWF")
| SwfCompressLevel -> ("swf_compress_level","<level:1-9> Set the amount of compression for the SWF output")
| SwfDebugPassword -> ("swf_debug_password", "Set a password for debugging")
| SwfDirectBlit -> ("swf_direct_blit", "Use hardware acceleration to blit graphics")
| SwfGpu -> ("swf_gpu", "Use GPU compositing features when drawing graphics")
| SwfMetadata -> ("swf_metadata", "<file> Include contents of <file> as metadata in the swf")
| SwfPreloaderFrame -> ("swf_preloader_frame", "Insert empty first frame in swf")
| SwfProtected -> ("swf_protected","Compile Haxe private as protected in the SWF instead of public")
| SwfScriptTimeout -> ("swf_script_timeout", "Maximum ActionScript processing time before script stuck dialog box displays (in seconds)")
| SwfUseDoAbc -> ("swf_use_doabc", "Use DoAbc swf-tag instead of DoAbcDefine")
| Sys -> ("sys","Defined for all system platforms")
| Unsafe -> ("unsafe","Allow unsafe code when targeting C#")
| UseNekoc -> ("use_nekoc","Use nekoc compiler instead of internal one")
| UseRttiDoc -> ("use_rtti_doc","Allows access to documentation during compilation")
| Vcproj -> ("vcproj","GenCPP internal")
| Last -> assert false
end
module MetaInfo = struct
open Meta
type meta_usage =
| TClass
| TClassField
| TAbstract
| TAbstractField
| TEnum
| TTypedef
| TAnyField
| TExpr
| TTypeParameter
type meta_parameter =
| HasParam of string
| Platform of platform
| Platforms of platform list
| UsedOn of meta_usage
| UsedOnEither of meta_usage list
| Internal
let to_string = function
| Abi -> ":abi",("Function ABI/calling convention",[Platforms [Cpp]])
| Abstract -> ":abstract",("Sets the underlying class implementation as 'abstract'",[Platforms [Java;Cs]])
| Access -> ":access",("Forces private access to package, type or field",[HasParam "Target path";UsedOnEither [TClass;TClassField]])
| Accessor -> ":accessor",("Used internally by DCE to mark property accessors",[UsedOn TClassField;Internal])
| Allow -> ":allow",("Allows private access from package, type or field",[HasParam "Target path";UsedOnEither [TClass;TClassField]])
| Analyzer -> ":analyzer",("Used to configure the static analyzer",[])
| Annotation -> ":annotation",("Annotation (@interface) definitions on -java-lib imports will be annotated with this metadata. Has no effect on types compiled by Haxe",[Platform Java; UsedOn TClass])
| ArrayAccess -> ":arrayAccess",("Allows [] access on an abstract",[UsedOnEither [TAbstract;TAbstractField]])
| Ast -> ":ast",("Internally used to pass the AST source into the typed AST",[Internal])
| AutoBuild -> ":autoBuild",("Extends @:build metadata to all extending and implementing classes",[HasParam "Build macro call";UsedOn TClass])
| Bind -> ":bind",("Override Swf class declaration",[Platform Flash;UsedOn TClass])
| Bitmap -> ":bitmap",("Embeds given bitmap data into the class (must extend flash.display.BitmapData)",[HasParam "Bitmap file path";UsedOn TClass;Platform Flash])
| BridgeProperties -> ":bridgeProperties",("Creates native property bridges for all Haxe properties in this class",[UsedOn TClass;Platform Cs])
| Build -> ":build",("Builds a class or enum from a macro",[HasParam "Build macro call";UsedOnEither [TClass;TEnum]])
| BuildXml -> ":buildXml",("Specify xml data to be injected into Build.xml",[Platform Cpp])
| Callable -> ":callable",("Abstract forwards call to its underlying type",[UsedOn TAbstract])
| Class -> ":class",("Used internally to annotate an enum that will be generated as a class",[Platforms [Java;Cs]; UsedOn TEnum; Internal])
| ClassCode -> ":classCode",("Used to inject platform-native code into a class",[Platforms [Java;Cs]; UsedOn TClass])
| Comma -> ":comma",("Used internally to mark a block that can be represented using a comma",[Internal])
| Commutative -> ":commutative",("Declares an abstract operator as commutative",[UsedOn TAbstractField])
| CompilerGenerated -> ":compilerGenerated",("Marks a field as generated by the compiler. Shouldn't be used by the end user",[Platforms [Java;Cs]])
| Const -> ":const",("Allows a type parameter to accept expression values",[UsedOn TTypeParameter])
| CoreApi -> ":coreApi",("Identifies this class as a core api class (forces Api check)",[UsedOnEither [TClass;TEnum;TTypedef;TAbstract]])
| CoreType -> ":coreType",("Identifies an abstract as core type so that it requires no implementation",[UsedOn TAbstract])
| CppFileCode -> ":cppFileCode",("Code to be injected into generated cpp file",[Platform Cpp])
| CppInclude -> ":cppInclude",("File to be included in generated cpp file",[Platform Cpp])
| CppNamespaceCode -> ":cppNamespaceCode",("",[Platform Cpp])
| CsNative -> ":csNative",("Automatically added by -net-lib on classes generated from .NET DLL files",[Platform Cs; UsedOnEither[TClass;TEnum]; Internal])
| Dce -> ":dce",("Forces dead code elimination even when -dce full is not specified",[UsedOnEither [TClass;TEnum]])
| Debug -> ":debug",("Forces debug information to be generated into the Swf even without -debug",[UsedOnEither [TClass;TClassField]; Platform Flash])
| Decl -> ":decl",("",[Platform Cpp])
| DefParam -> ":defParam",("?",[])
| Delegate -> ":delegate",("Automatically added by -net-lib on delegates",[Platform Cs; UsedOn TAbstract])
| Depend -> ":depend",("",[Platform Cpp])
| Deprecated -> ":deprecated",("Automatically added by -java-lib on class fields annotated with @Deprecated annotation. Has no effect on types compiled by Haxe",[Platform Java; UsedOnEither [TClass;TEnum;TClassField]])
| DirectlyUsed -> ":directlyUsed",("Marks types that are directly referenced by non-extern code",[Internal])
| DynamicObject -> ":dynamicObject",("Used internally to identify the Dynamic Object implementation",[Platforms [Java;Cs]; UsedOn TClass; Internal])
| Enum -> ":enum",("Defines finite value sets to abstract definitions",[UsedOn TAbstract])
| EnumConstructorParam -> ":enumConstructorParam",("Used internally to annotate GADT type parameters",[UsedOn TClass; Internal])
| Event -> ":event",("Automatically added by -net-lib on events. Has no effect on types compiled by Haxe",[Platform Cs; UsedOn TClassField])
| Exhaustive -> ":exhaustive",("",[Internal])
| Expose -> ":expose",("Makes the class available on the window object",[HasParam "?Name=Class path";UsedOn TClass;Platform Js])
| Extern -> ":extern",("Marks the field as extern so it is not generated",[UsedOn TClassField])
| FakeEnum -> ":fakeEnum",("Treat enum as collection of values of the specified type",[HasParam "Type name";UsedOn TEnum])
| File -> ":file",("Includes a given binary file into the target Swf and associates it with the class (must extend flash.utils.ByteArray)",[HasParam "File path";UsedOn TClass;Platform Flash])
| Final -> ":final",("Prevents a class from being extended",[UsedOn TClass])
| FlatEnum -> ":flatEnum",("Internally used to mark an enum as being flat, i.e. having no function constructors",[UsedOn TEnum; Internal])
| Font -> ":font",("Embeds the given TrueType font into the class (must extend flash.text.Font)",[HasParam "TTF path";HasParam "Range String";UsedOn TClass])
| Forward -> ":forward",("Forwards field access to underlying type",[HasParam "List of field names";UsedOn TAbstract])
| From -> ":from",("Specifies that the field of the abstract is a cast operation from the type identified in the function",[UsedOn TAbstractField])
| FunctionCode -> ":functionCode",("Used to inject platform-native code into a function",[Platforms [Cpp;Java;Cs]])
| FunctionTailCode -> ":functionTailCode",("",[Platform Cpp])
| Generic -> ":generic",("Marks a class or class field as generic so each type parameter combination generates its own type/field",[UsedOnEither [TClass;TClassField]])
| GenericBuild -> ":genericBuild",("Builds instances of a type using the specified macro",[UsedOn TClass])
| GenericInstance -> ":genericInstance",("Internally used to mark instances of @:generic methods",[UsedOn TClassField;Internal])
| Getter -> ":getter",("Generates a native getter function on the given field",[HasParam "Class field name";UsedOn TClassField;Platform Flash])
| Hack -> ":hack",("Allows extending classes marked as @:final",[UsedOn TClass])
| HasUntyped -> (":has_untyped",("Used by the typer to mark fields that have untyped expressions",[Internal]))
| HaxeGeneric -> ":haxeGeneric",("Used internally to annotate non-native generic classes",[Platform Cs; UsedOnEither[TClass;TEnum]; Internal])
| HeaderClassCode -> ":headerClassCode",("Code to be injected into the generated class, in the header",[Platform Cpp])
| HeaderCode -> ":headerCode",("Code to be injected into the generated header file",[Platform Cpp])
| HeaderInclude -> ":headerInclude",("File to be included in generated header file",[Platform Cpp])
| HeaderNamespaceCode -> ":headerNamespaceCode",("",[Platform Cpp])
| HxCNoHeader -> ":hxcNoHeader",("Prevents header fields from being generated for a class",[UsedOn TClass])
| HxCSpecialize -> ":hxcSpecialize",("generate specialization functions for type parameters, internal",[UsedOnEither[TClass;TClassField]])
| HxGen -> ":hxGen",("Annotates that an extern class was generated by Haxe",[Platforms [Java;Cs]; UsedOnEither [TClass;TEnum]])
| IfFeature -> ":ifFeature",("Causes a field to be kept by DCE if the given feature is part of the compilation",[HasParam "Feature name";UsedOn TClassField])
| Impl -> ":impl",("Used internally to mark abstract implementation fields",[UsedOn TAbstractField; Internal])
| PythonImport -> ":pythonImport",("Generates python import statement for extern classes",[Platforms [Python]; UsedOn TClass])
| ImplicitCast -> ":implicitCast",("Generated automatically on the AST when an implicit abstract cast happens",[Internal; UsedOn TExpr])
| Include -> ":include",("",[Platform Cpp])
| InitPackage -> ":initPackage",("?",[])
| Meta.Internal -> ":internal",("Generates the annotated field/class with 'internal' access",[Platforms [Java;Cs]; UsedOnEither[TClass;TEnum;TClassField]])
| IsVar -> ":isVar",("Forces a physical field to be generated for properties that otherwise would not require one",[UsedOn TClassField])
| JavaCanonical -> ":javaCanonical",("Used by the Java target to annotate the canonical path of the type",[HasParam "Output type package";HasParam "Output type name";UsedOnEither [TClass;TEnum]; Platform Java])
| JavaNative -> ":javaNative",("Automatically added by -java-lib on classes generated from JAR/class files",[Platform Java; UsedOnEither[TClass;TEnum]; Internal])
| JsRequire -> ":jsRequire",("Generate javascript module require expression for given extern",[Platform Js; UsedOn TClass])
| Keep -> ":keep",("Causes a field or type to be kept by DCE",[])
| KeepInit -> ":keepInit",("Causes a class to be kept by DCE even if all its field are removed",[UsedOn TClass])
| KeepSub -> ":keepSub",("Extends @:keep metadata to all implementing and extending classes",[UsedOn TClass])
| LibType -> ":libType",("Used by -net-lib and -java-lib to mark a class that shouldn't be checked (overrides, interfaces, etc) by the type loader",[Internal; UsedOn TClass; Platforms [Java;Cs]])
| Meta -> ":meta",("Internally used to mark a class field as being the metadata field",[])
| Macro -> ":macro",("(deprecated)",[])
| MaybeUsed -> ":maybeUsed",("Internally used by DCE to mark fields that might be kept",[Internal])
| MergeBlock -> ":mergeBlock",("Merge the annotated block into the current scope",[UsedOn TExpr])
| MultiType -> ":multiType",("Specifies that an abstract chooses its this-type from its @:to functions",[UsedOn TAbstract; HasParam "Relevant type parameters"])
| Native -> ":native",("Rewrites the path of a class or enum during generation",[HasParam "Output type path";UsedOnEither [TClass;TEnum]])
| NativeChildren -> ":nativeChildren",("Annotates that all children from a type should be treated as if it were an extern definition - platform native",[Platforms [Java;Cs]; UsedOn TClass])
| NativeGen -> ":nativeGen",("Annotates that a type should be treated as if it were an extern definition - platform native",[Platforms [Java;Cs;Python]; UsedOnEither[TClass;TEnum]])
| NativeGeneric -> ":nativeGeneric",("Used internally to annotate native generic classes",[Platform Cs; UsedOnEither[TClass;TEnum]; Internal])
| NativeProperty -> ":nativeProperty",("Use native properties which will execute even with dynamic usage",[Platform Cpp])
| NoCompletion -> ":noCompletion",("Prevents the compiler from suggesting completion on this field",[UsedOn TClassField])
| NoDebug -> ":noDebug",("Does not generate debug information into the Swf even if -debug is set",[UsedOnEither [TClass;TClassField];Platform Flash])
| NoDoc -> ":noDoc",("Prevents a type from being included in documentation generation",[])
| NoExpr -> ":noExpr",("Internally used to mark abstract fields which have no expression by design",[Internal])
| NoFollow -> ":noFollow",("Does not follow to the underlying type at generator-level",[UsedOn TAbstract])
| NoImportGlobal -> ":noImportGlobal",("Prevents a static field from being imported with import Class.*",[UsedOn TAnyField])
| NonVirtual -> ":nonVirtual",("Declares function to be non-virtual in cpp",[Platform Cpp])
| NoPackageRestrict -> ":noPackageRestrict",("Allows a module to be accessed across all targets if found on its first type",[Internal])
| NoPrivateAccess -> ":noPrivateAccess",("Disallow private access to anything for the annotated expression",[UsedOn TExpr])
| NoStack -> ":noStack",("",[Platform Cpp])
| NotNull -> ":notNull",("Declares an abstract type as not accepting null values",[UsedOn TAbstract])
| NoUsing -> ":noUsing",("Prevents a field from being used with 'using'",[UsedOn TClassField])
| Ns -> ":ns",("Internally used by the Swf generator to handle namespaces",[Platform Flash])
| Op -> ":op",("Declares an abstract field as being an operator overload",[HasParam "The operation";UsedOn TAbstractField])
| Optional -> ":optional",("Marks the field of a structure as optional",[UsedOn TClassField])
| Overload -> ":overload",("Allows the field to be called with different argument types",[HasParam "Function specification (no expression)";UsedOn TClassField])
| Plain -> ":plain",("Generate a class field unqualified",[UsedOn TClassField;Platform C])
| Public -> ":public",("Marks a class field as being public",[UsedOn TClassField])
| PublicFields -> ":publicFields",("Forces all class fields of inheriting classes to be public",[UsedOn TClass])
| QuotedField -> ":quotedField",("Used internally to mark structure fields which are quoted in syntax",[Internal])
| PrivateAccess -> ":privateAccess",("Allow private access to anything for the annotated expression",[UsedOn TExpr])
| Protected -> ":protected",("Marks a class field as being protected",[UsedOn TClassField])
| Property -> ":property",("Marks a property field to be compiled as a native C# property",[UsedOn TClassField;Platform Cs])
| ReadOnly -> ":readOnly",("Generates a field with the 'readonly' native keyword",[Platform Cs; UsedOn TClassField])
| RealPath -> ":realPath",("Internally used on @:native types to retain original path information",[Internal])
| Remove -> ":remove",("Causes an interface to be removed from all implementing classes before generation",[UsedOn TClass])
| Require -> ":require",("Allows access to a field only if the specified compiler flag is set",[HasParam "Compiler flag to check";UsedOn TClassField])
| RequiresAssign -> ":requiresAssign",("Used internally to mark certain abstract operator overloads",[Internal])
| Resolve -> ":resolve",("Abstract fields marked with this metadata can be used to resolve unknown fields",[UsedOn TClassField])
| ReplaceReflection -> ":replaceReflection",("Used internally to specify a function that should replace its internal __hx_functionName counterpart",[Platforms [Java;Cs]; UsedOnEither[TClass;TEnum]; Internal])
| Rtti -> ":rtti",("Adds runtime type informations",[UsedOn TClass])
| Runtime -> ":runtime",("?",[])
| RuntimeValue -> ":runtimeValue",("Marks an abstract as being a runtime value",[UsedOn TAbstract])
| SelfCall -> ":selfCall",("Translates method calls into calling object directly",[UsedOn TClassField; Platform Js])
| Setter -> ":setter",("Generates a native setter function on the given field",[HasParam "Class field name";UsedOn TClassField;Platform Flash])
| StoredTypedExpr -> ":storedTypedExpr",("Used internally to reference a typed expression returned from a macro",[Internal])
| SkipCtor -> ":skipCtor",("Used internally to generate a constructor as if it were a native type (no __hx_ctor)",[Platforms [Java;Cs]; Internal])
| SkipReflection -> ":skipReflection",("Used internally to annotate a field that shouldn't have its reflection data generated",[Platforms [Java;Cs]; UsedOn TClassField; Internal])
| Sound -> ":sound",( "Includes a given .wav or .mp3 file into the target Swf and associates it with the class (must extend flash.media.Sound)",[HasParam "File path";UsedOn TClass;Platform Flash])
| SourceFile -> ":sourceFile",("Source code filename for external class",[Platform Cpp])
| Strict -> ":strict",("Used to declare a native C# attribute or a native Java metadata. Is type checked",[Platforms [Java;Cs]])
| Struct -> ":struct",("Marks a class definition as a struct",[Platform Cs; UsedOn TClass])
| StructAccess -> ":structAccess",("Marks an extern class as using struct access('.') not pointer('->')",[Platform Cpp; UsedOn TClass])
| SuppressWarnings -> ":suppressWarnings",("Adds a SuppressWarnings annotation for the generated Java class",[Platform Java; UsedOn TClass])
| Throws -> ":throws",("Adds a 'throws' declaration to the generated function",[HasParam "Type as String"; Platform Java; UsedOn TClassField])
| This -> ":this",("Internally used to pass a 'this' expression to macros",[Internal; UsedOn TExpr])
| To -> ":to",("Specifies that the field of the abstract is a cast operation to the type identified in the function",[UsedOn TAbstractField])
| ToString -> ":toString",("Internally used",[Internal])
| Transient -> ":transient",("Adds the 'transient' flag to the class field",[Platform Java; UsedOn TClassField])
| ValueUsed -> ":valueUsed",("Internally used by DCE to mark an abstract value as used",[Internal])
| Volatile -> ":volatile",("",[Platforms [Java;Cs]])
| Unbound -> ":unbound", ("Compiler internal to denote unbounded global variable",[])
| UnifyMinDynamic -> ":unifyMinDynamic",("Allows a collection of types to unify to Dynamic",[UsedOn TClassField])
| Unreflective -> ":unreflective",("",[Platform Cpp])
| Unsafe -> ":unsafe",("Declares a class, or a method with the C#'s 'unsafe' flag",[Platform Cs; UsedOnEither [TClass;TClassField]])
| Usage -> ":usage",("?",[])
| Used -> ":used",("Internally used by DCE to mark a class or field as used",[Internal])
| Value -> ":value",("Used to store default values for fields and function arguments",[UsedOn TClassField])
| Void -> ":void",("Use Cpp native 'void' return type",[Platform Cpp])
| Last -> assert false
(* do not put any custom metadata after Last *)
| Dollar s -> "$" ^ s,("",[])
| Custom s -> s,("",[])
let hmeta =
let h = Hashtbl.create 0 in
let rec loop i =
let m = Obj.magic i in
if m <> Last then begin
Hashtbl.add h (fst (to_string m)) m;
loop (i + 1);
end;
in
loop 0;
h
let parse s = try Hashtbl.find hmeta (":" ^ s) with Not_found -> Custom (":" ^ s)
let from_string s =
if s = "" then Custom "" else match s.[0] with
| ':' -> (try Hashtbl.find hmeta s with Not_found -> Custom s)
| '$' -> Dollar (String.sub s 1 (String.length s - 1))
| _ -> Custom s
end
let stats =
{
s_files_parsed = ref 0;
s_classes_built = ref 0;
s_methods_typed = ref 0;
s_macros_called = ref 0;
}
let default_config =
{
pf_static = true;
pf_sys = true;
pf_locals_scope = true;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPNone;
pf_pad_nulls = false;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
let get_config com =
let defined f = PMap.mem (fst (Define.infos f)) com.defines in
match com.platform with
| Cross ->
default_config
| Js ->
{
pf_static = false;
pf_sys = false;
pf_locals_scope = false;
pf_captured_scope = false;
pf_unique_locals = false;
pf_capture_policy = CPLoopVars;
pf_pad_nulls = false;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [([],"Object");([],"Error")];
}
| Neko ->
{
pf_static = false;
pf_sys = true;
pf_locals_scope = true;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPNone;
pf_pad_nulls = true;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
| Flash when defined Define.As3 ->
{
pf_static = true;
pf_sys = false;
pf_locals_scope = false;
pf_captured_scope = true;
pf_unique_locals = true;
pf_capture_policy = CPLoopVars;
pf_pad_nulls = false;
pf_add_final_return = true;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = false;
pf_reserved_type_paths = [];
}
| Flash ->
{
pf_static = true;
pf_sys = false;
pf_locals_scope = true;
pf_captured_scope = true; (* handled by genSwf9 *)
pf_unique_locals = false;
pf_capture_policy = CPLoopVars;
pf_pad_nulls = false;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = false;
pf_reserved_type_paths = [([],"Object");([],"Error")];
}
| Php ->
{
pf_static = false;
pf_sys = true;
pf_locals_scope = false; (* some duplicate work is done in genPhp *)
pf_captured_scope = false;
pf_unique_locals = false;
pf_capture_policy = CPNone;
pf_pad_nulls = true;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
| Cpp ->
{
pf_static = true;
pf_sys = true;
pf_locals_scope = true;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPWrapRef;
pf_pad_nulls = true;
pf_add_final_return = true;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
| Cs ->
{
pf_static = true;
pf_sys = true;
pf_locals_scope = false;
pf_captured_scope = true;
pf_unique_locals = true;
pf_capture_policy = CPWrapRef;
pf_pad_nulls = true;
pf_add_final_return = false;
pf_overload = true;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
| Java ->
{
pf_static = true;
pf_sys = true;
pf_locals_scope = false;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPWrapRef;
pf_pad_nulls = true;
pf_add_final_return = false;
pf_overload = true;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
| C when defined Define.Llvm ->
{
pf_static = true;
pf_sys = true;
pf_locals_scope = true;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPWrapRef;
pf_pad_nulls = true;
pf_add_final_return = true;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = false;
pf_reserved_type_paths = [];
}
| C ->
{
pf_static = true;
pf_sys = true;
pf_locals_scope = true;
pf_captured_scope = true;
pf_unique_locals = false;
pf_capture_policy = CPWrapRef;(*CPNone; (*// CPWrapRef;*)*)
pf_pad_nulls = true;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = false;
pf_reserved_type_paths = [];
}
| Python ->
{
pf_static = false;
pf_sys = true;
pf_locals_scope = false;
pf_captured_scope = false;
pf_unique_locals = false;
pf_capture_policy = CPLoopVars;
pf_pad_nulls = false;
pf_add_final_return = false;
pf_overload = false;
pf_pattern_matching = false;
pf_can_skip_non_nullable_argument = true;
pf_reserved_type_paths = [];
}
let memory_marker = [|Unix.time()|]
let create v args =
let m = Type.mk_mono() in
{
version = v;
args = args;
sys_args = args;
debug = false;
display = !display_default;
verbose = false;
foptimize = true;
features = Hashtbl.create 0;
platform = Cross;
config = default_config;
print = (fun s -> print_string s; flush stdout);
run_command = Sys.command;
std_path = [];
class_path = [];
main_class = None;
defines = PMap.add "true" "1" (if !display_default <> DMNone then PMap.add "display" "1" PMap.empty else PMap.empty);
package_rules = PMap.empty;
file = "";
types = [];
filters = [];
final_filters = [];
modules = [];
main = None;
flash_version = 10.;
resources = Hashtbl.create 0;
php_front = None;
php_lib = None;
swf_libs = [];
c_libs = [];
java_libs = [];
net_libs = [];
net_std = [];
net_path_map = Hashtbl.create 0;
c_args = [];
neko_libs = [];
php_prefix = None;
js_gen = None;
load_extern_type = [];
defines_signature = None;
get_macros = (fun() -> None);
warning = (fun _ _ -> assert false);
error = (fun _ _ -> assert false);
basic = {
tvoid = m;
tint = m;
tfloat = m;
tbool = m;
tnull = (fun _ -> assert false);
tstring = m;
tarray = (fun _ -> assert false);
};
file_lookup_cache = Hashtbl.create 0;
stored_typed_exprs = PMap.empty;
memory_marker = memory_marker;
}
let log com str =
if com.verbose then com.print (str ^ "\n")
let clone com =
let t = com.basic in
{ com with
basic = { t with tvoid = t.tvoid };
main_class = None;
features = Hashtbl.create 0;
file_lookup_cache = Hashtbl.create 0;
}
let file_time file =
try (Unix.stat file).Unix.st_mtime with _ -> 0.
let get_signature com =
match com.defines_signature with
| Some s -> s
| None ->
let str = String.concat "@" (PMap.foldi (fun k v acc ->
(* don't make much difference between these special compilation flags *)
match k with
| "display" | "use_rtti_doc" | "macrotimes" -> acc
| _ -> k :: v :: acc
) com.defines []) in
let s = Digest.string str in
com.defines_signature <- Some s;
s
let file_extension file =
match List.rev (ExtString.String.nsplit file ".") with
| e :: _ -> String.lowercase e
| [] -> ""
let platforms = [
Js;
Neko;
Flash;
Php;
Cpp;
Cs;
Java;
C;
Python;
]
let platform_name = function
| Cross -> "cross"
| Js -> "js"
| Neko -> "neko"
| Flash -> "flash"
| Php -> "php"
| Cpp -> "cpp"
| Cs -> "cs"
| Java -> "java"
| C -> "c"
| Python -> "python"
let flash_versions = List.map (fun v ->
let maj = int_of_float v in
let min = int_of_float (mod_float (v *. 10.) 10.) in
v, string_of_int maj ^ (if min = 0 then "" else "_" ^ string_of_int min)
) [9.;10.;10.1;10.2;10.3;11.;11.1;11.2;11.3;11.4;11.5;11.6;11.7;11.8;11.9;12.0;13.0;14.0;15.0;16.0;17.0]
let flash_version_tag = function
| 6. -> 6
| 7. -> 7
| 8. -> 8
| 9. -> 9
| 10. | 10.1 -> 10
| 10.2 -> 11
| 10.3 -> 12
| 11. -> 13
| 11.1 -> 14
| 11.2 -> 15
| 11.3 -> 16
| 11.4 -> 17
| 11.5 -> 18
| 11.6 -> 19
| 11.7 -> 20
| 11.8 -> 21
| 11.9 -> 22
| 12.0 -> 23
| 13.0 -> 24
| 14.0 -> 25
| 15.0 -> 26
| 16.0 -> 27
| 17.0 -> 28
| v -> failwith ("Invalid SWF version " ^ string_of_float v)
let raw_defined ctx v =
PMap.mem v ctx.defines
let defined ctx v =
raw_defined ctx (fst (Define.infos v))
let raw_defined_value ctx k =
PMap.find k ctx.defines
let defined_value ctx v =
raw_defined_value ctx (fst (Define.infos v))
let defined_value_safe ctx v =
try defined_value ctx v
with Not_found -> ""
let raw_define ctx v =
let k,v = try ExtString.String.split v "=" with _ -> v,"1" in
ctx.defines <- PMap.add k v ctx.defines;
let k = String.concat "_" (ExtString.String.nsplit k "-") in
ctx.defines <- PMap.add k v ctx.defines;
ctx.defines_signature <- None
let define_value ctx k v =
raw_define ctx (fst (Define.infos k) ^ "=" ^ v)
let define ctx v =
raw_define ctx (fst (Define.infos v))
let init_platform com pf =
com.platform <- pf;
let name = platform_name pf in
let forbid acc p = if p = name || PMap.mem p acc then acc else PMap.add p Forbidden acc in
com.package_rules <- List.fold_left forbid com.package_rules (List.map platform_name platforms);
com.config <- get_config com;
(* if com.config.pf_static then define com "static"; *)
if com.config.pf_sys then define com Define.Sys else com.package_rules <- PMap.add "sys" Forbidden com.package_rules;
raw_define com name
let add_feature com f =
Hashtbl.replace com.features f true
let has_dce com =
(try defined_value com Define.Dce <> "no" with Not_found -> false)
(*
TODO: The has_dce check is there because we mark types with @:directlyUsed in the DCE filter,
which is not run in dce=no and thus we can't know if a type is used directly or not,
so we just assume that they are.
If we had dce filter always running (even with dce=no), we would have types marked with @:directlyUsed
and we wouldn't need to generate unnecessary imports in dce=no, but that's good enough for now.
*)
let is_directly_used com meta =
not (has_dce com) || Ast.Meta.has Ast.Meta.DirectlyUsed meta
let rec has_feature com f =
try
Hashtbl.find com.features f
with Not_found ->
if com.types = [] then not (has_dce com) else
match List.rev (ExtString.String.nsplit f ".") with
| [] -> assert false
| [cl] -> has_feature com (cl ^ ".*")
| meth :: cl :: pack ->
let r = (try
let path = List.rev pack, cl in
(match List.find (fun t -> t_path t = path && not (Ast.Meta.has Ast.Meta.RealPath (t_infos t).mt_meta)) com.types with
| t when meth = "*" -> (match t with TAbstractDecl a -> Ast.Meta.has Ast.Meta.ValueUsed a.a_meta | _ ->
Ast.Meta.has Ast.Meta.Used (t_infos t).mt_meta)
| TClassDecl ({cl_extern = true} as c) when com.platform <> Js || cl <> "Array" && cl <> "Math" ->
Meta.has Meta.Used (try PMap.find meth c.cl_statics with Not_found -> PMap.find meth c.cl_fields).cf_meta
| TClassDecl c ->
PMap.exists meth c.cl_statics || PMap.exists meth c.cl_fields
| _ ->
false)
with Not_found ->
false
) in
let r = r || not (has_dce com) in
Hashtbl.add com.features f r;
r
let allow_package ctx s =
try
if (PMap.find s ctx.package_rules) = Forbidden then ctx.package_rules <- PMap.remove s ctx.package_rules
with Not_found ->
()
let error msg p = raise (Abort (msg,p))
let platform ctx p = ctx.platform = p
let add_filter ctx f =
ctx.filters <- f :: ctx.filters
let add_final_filter ctx f =
ctx.final_filters <- f :: ctx.final_filters
let find_file ctx f =
try
(match Hashtbl.find ctx.file_lookup_cache f with
| None -> raise Exit
| Some f -> f)
with Exit ->
raise Not_found
| Not_found ->
let rec loop had_empty = function
| [] when had_empty -> raise Not_found
| [] -> loop true [""]
| p :: l ->
let file = p ^ f in
if Sys.file_exists file then
file
else
loop (had_empty || p = "") l
in