# This file is part of NIT ( http://www.nitlanguage.org ).
#
-# Copyright 2008-2009 Jean Privat <jean@pryen.org>
-# Copyright 2009 Jean-Sebastien Gelinas <calestar@gmail.com>
-#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# AST nodes of the Nit language
# Was previously based on parser_abs.nit.
-package parser_nodes
+module parser_nodes
-import mmloader
+import location
-# Root of the AST hierarchy
+# Root of the AST class-hierarchy
abstract class ANode
- var _location: nullable Location
- # Location is set during AST building. Once built, location cannon be null
- # However, manual instanciated nodes may need mode care
+ var _location: nullable Location = null
+
+ # Location is set during AST building. Once built, location cannon be null.
+ # However, manual instantiated nodes may need more care.
fun location: Location do return _location.as(not null)
+
+ # The location of the important part of the node (identifier or whatever)
+ fun hot_location: Location do return location
+
+ # Display a message for the colored location of the node
+ fun debug(message: String)
+ do
+ print "{hot_location} {self.class_name}: {message}\n{hot_location.colored_line("0;32")}"
+ end
+
+ # Parent of the node in the AST
+ var parent: nullable ANode = null
+
+ # Protect form invalid instantiation of nodes
+ private init do end
+
+ # Replace a child with an other node in the AST
+ private fun replace_child(old_child: ANode, new_child: nullable ANode) is abstract
+
+ # Detach a node from its parent
+ # Aborts if the node is not detashable. use `replace_with` instead
+ # REQUIRE: parent != null
+ # REQUIRE: is_detachable
+ # ENDURE: parent == null
+ fun detach
+ do
+ assert parent != null
+ parent.replace_child(self, null)
+ parent = null
+ end
+
+ # Replace itself with an other node in the AST
+ # REQUIRE: parent != null
+ # ENSURE: node.parent == old(parent)
+ # ENSURE: parent == null
+ fun replace_with(node: ANode)
+ do
+ assert parent != null
+ parent.replace_child(self, node)
+ parent = null
+ end
+
+ # Visit all nodes in order.
+ # Thus, call `v.enter_visit(e)` for each child `e`
+ fun visit_all(v: Visitor) is abstract
+end
+
+# A sequence of nodes
+# There is a specifc class (instead of a using Array) to track the parent/child relation when nodes are added or removed
+class ANodes[E: ANode]
+ super Sequence[E]
+ private var parent: ANode
+ private var items = new Array[E]
+ redef fun iterator do return items.iterator
+ redef fun length do return items.length
+ redef fun is_empty do return items.is_empty
+ redef fun push(e)
+ do
+ hook_add(e)
+ items.push(e)
+ end
+ redef fun pop
+ do
+ var res = items.pop
+ hook_remove(res)
+ return res
+ end
+ redef fun unshift(e)
+ do
+ hook_add(e)
+ items.unshift(e)
+ end
+ redef fun shift
+ do
+ var res = items.shift
+ hook_remove(res)
+ return res
+ end
+ redef fun has(e)
+ do
+ return items.has(e)
+ end
+ redef fun [](index)
+ do
+ return items[index]
+ end
+ redef fun []=(index, e)
+ do
+ hook_remove(self[index])
+ hook_add(e)
+ items[index]=e
+ end
+ redef fun remove_at(index)
+ do
+ hook_remove(items[index])
+ items.remove_at(index)
+ end
+ private fun hook_add(e: E)
+ do
+ #assert e.parent == null
+ e.parent = parent
+ end
+ private fun hook_remove(e: E)
+ do
+ assert e.parent == parent
+ e.parent = null
+ end
+
+ # Used in parent contructor to fill elements
+ private fun unsafe_add_all(nodes: Collection[Object])
+ do
+ var parent = self.parent
+ for n in nodes do
+ assert n isa E
+ add n
+ n.parent = parent
+ end
+ end
+
+ private fun replace_child(old_child: ANode, new_child: nullable ANode): Bool
+ do
+ var parent = self.parent
+ for i in [0..length[ do
+ if self[i] == old_child then
+ if new_child != null then
+ assert new_child isa E
+ self[i] = new_child
+ new_child.parent = parent
+ else
+ self.remove_at(i)
+ end
+ return true
+ end
+ end
+ return false
+ end
+
+ private fun visit_all(v: Visitor)
+ do
+ for n in self do v.enter_visit(n)
+ end
end
# Ancestor of all tokens
+# A token is a node that has a `text` but no children.
abstract class Token
-special ANode
+ super ANode
+
+ # The raw content on the token
+ fun text: String is abstract
+ fun text=(text: String) is abstract
+
+ # The previous token in the Lexer.
+ # May have disapeared in the AST
+ var prev_token: nullable Token
+
+ # The next token in the Lexer.
+ # May have disapeared in the AST
+ var next_token: nullable Token
+
+ redef fun to_s: String do
+ return "'{text}'"
+ end
+
+ redef fun visit_all(v: Visitor) do end
+ redef fun replace_child(old_child: ANode, new_child: nullable ANode) do end
end
# Ancestor of all productions
+# A production is a node without text but that usually has children.
abstract class Prod
-special ANode
+ super ANode
+
fun location=(l: Location) do _location = l
+
+ # All the annotations attached directly to the node
+ readable writable var _n_annotations: nullable AAnnotations = null
+
+ redef fun replace_with(n: ANode)
+ do
+ super
+ assert n isa Prod
+ if n._location == null then n._location = _location
+ end
end
+
+# Abstract standard visitor on the AST
+abstract class Visitor
+ # What the visitor do when a node is visited
+ # Concrete visitors should implement this method.
+ # @toimplement
+ protected fun visit(e: ANode) is abstract
+
+ # Ask the visitor to visit a given node.
+ # Usually automatically called by visit_all* methods.
+ # This method should not be redefined
+ fun enter_visit(e: nullable ANode)
+ do
+ if e == null then return
+ var old = _current_node
+ _current_node = e
+ visit(e)
+ _current_node = old
+ end
+
+ # The current visited node
+ readable writable var _current_node: nullable ANode = null
+end
+
+# Token of end of line (basically `\n`)
class TEol
-special Token
+ super Token
+ redef fun to_s
+ do
+ return "end of line"
+ end
end
+
+# Token of a line of comments
+# Starts with the `#` and contains the final end-of-line (if any)
class TComment
-special Token
+ super Token
+end
+
+# A token associated with a keyword
+abstract class TokenKeyword
+ super Token
+ redef fun to_s
+ do
+ return "keyword '{text}'"
+ end
end
class TKwpackage
-special Token
+ super TokenKeyword
+end
+class TKwmodule
+ super TokenKeyword
end
class TKwimport
-special Token
+ super TokenKeyword
end
class TKwclass
-special Token
+ super TokenKeyword
end
class TKwabstract
-special Token
+ super TokenKeyword
end
class TKwinterface
-special Token
-end
-class TKwuniversal
-special Token
+ super TokenKeyword
end
-class TKwspecial
-special Token
+class TKwenum
+ super TokenKeyword
end
class TKwend
-special Token
+ super TokenKeyword
end
class TKwmeth
-special Token
+ super TokenKeyword
end
class TKwtype
-special Token
-end
-class TKwattr
-special Token
+ super TokenKeyword
end
class TKwinit
-special Token
+ super TokenKeyword
end
class TKwredef
-special Token
+ super TokenKeyword
end
class TKwis
-special Token
+ super TokenKeyword
end
class TKwdo
-special Token
+ super TokenKeyword
end
class TKwreadable
-special Token
+ super TokenKeyword
end
class TKwwritable
-special Token
+ super TokenKeyword
end
class TKwvar
-special Token
+ super TokenKeyword
end
class TKwintern
-special Token
+ super TokenKeyword
end
class TKwextern
-special Token
+ super TokenKeyword
+end
+class TKwpublic
+ super TokenKeyword
end
class TKwprotected
-special Token
+ super TokenKeyword
end
class TKwprivate
-special Token
+ super TokenKeyword
end
class TKwintrude
-special Token
+ super TokenKeyword
end
class TKwif
-special Token
+ super TokenKeyword
end
class TKwthen
-special Token
+ super TokenKeyword
end
class TKwelse
-special Token
+ super TokenKeyword
end
class TKwwhile
-special Token
+ super TokenKeyword
+end
+class TKwloop
+ super TokenKeyword
end
class TKwfor
-special Token
+ super TokenKeyword
end
class TKwin
-special Token
+ super TokenKeyword
end
class TKwand
-special Token
+ super TokenKeyword
end
class TKwor
-special Token
+ super TokenKeyword
+end
+class TKwimplies
+ super TokenKeyword
end
class TKwnot
-special Token
+ super TokenKeyword
end
class TKwreturn
-special Token
+ super TokenKeyword
end
class TKwcontinue
-special Token
+ super TokenKeyword
end
class TKwbreak
-special Token
+ super TokenKeyword
end
class TKwabort
-special Token
+ super TokenKeyword
end
class TKwassert
-special Token
+ super TokenKeyword
end
class TKwnew
-special Token
+ super TokenKeyword
end
class TKwisa
-special Token
+ super TokenKeyword
end
class TKwonce
-special Token
+ super TokenKeyword
end
class TKwsuper
-special Token
+ super TokenKeyword
end
class TKwself
-special Token
+ super TokenKeyword
end
class TKwtrue
-special Token
+ super TokenKeyword
end
class TKwfalse
-special Token
+ super TokenKeyword
end
class TKwnull
-special Token
+ super TokenKeyword
end
class TKwas
-special Token
-end
-class TKwwith
-special Token
+ super TokenKeyword
end
class TKwnullable
-special Token
+ super TokenKeyword
end
class TKwisset
-special Token
+ super TokenKeyword
end
class TKwlabel
-special Token
+ super TokenKeyword
+end
+class TKwdebug
+ super Token
end
class TOpar
-special Token
+ super Token
end
class TCpar
-special Token
+ super Token
end
class TObra
-special Token
+ super Token
end
class TCbra
-special Token
+ super Token
end
class TComma
-special Token
+ super Token
end
class TColumn
-special Token
+ super Token
end
class TQuad
-special Token
+ super Token
end
class TAssign
-special Token
+ super Token
+end
+
+# A token associated with an operator (and other lookalike symbols)
+abstract class TokenOperator
+ super Token
+ redef fun to_s
+ do
+ return "operator '{text}'"
+ end
end
class TPluseq
-special Token
+ super TokenOperator
end
class TMinuseq
-special Token
+ super TokenOperator
end
class TDotdotdot
-special Token
+ super TokenOperator
end
class TDotdot
-special Token
+ super TokenOperator
end
class TDot
-special Token
+ super TokenOperator
end
class TPlus
-special Token
+ super TokenOperator
end
class TMinus
-special Token
+ super TokenOperator
end
class TStar
-special Token
+ super TokenOperator
end
class TSlash
-special Token
+ super TokenOperator
end
class TPercent
-special Token
+ super TokenOperator
end
class TEq
-special Token
+ super TokenOperator
end
class TNe
-special Token
+ super TokenOperator
end
class TLt
-special Token
+ super TokenOperator
end
class TLe
-special Token
+ super TokenOperator
+end
+class TLl
+ super TokenOperator
end
class TGt
-special Token
+ super TokenOperator
end
class TGe
-special Token
+ super TokenOperator
+end
+class TGg
+ super TokenOperator
end
class TStarship
-special Token
+ super TokenOperator
end
+class TBang
+ super TokenOperator
+end
+class TAt
+ super Token
+end
+
+# A class (or formal type) identifier. They start with an uppercase.
class TClassid
-special Token
+ super Token
+ redef fun to_s
+ do
+ do return "type identifier '{text}'"
+ end
end
+
+# A standard identifier (variable, method...). They start with a lowercase.
class TId
-special Token
+ super Token
+ redef fun to_s
+ do
+ do return "identifier '{text}'"
+ end
end
+
+# An attribute identifier. They start with an underscore.
class TAttrid
-special Token
+ super Token
+ redef fun to_s
+ do
+ do return "attribute '{text}'"
+ end
+end
+
+# A token of a literal value (string, integer, etc).
+abstract class TokenLiteral
+ super Token
+ redef fun to_s
+ do
+ do return "literal value '{text}'"
+ end
end
class TNumber
-special Token
+ super TokenLiteral
end
class TFloat
-special Token
+ super TokenLiteral
end
class TChar
-special Token
+ super TokenLiteral
end
class TString
-special Token
+ super TokenLiteral
end
class TStartString
-special Token
+ super TokenLiteral
end
class TMidString
-special Token
+ super TokenLiteral
end
class TEndString
-special Token
+ super TokenLiteral
+end
+
+# A malformed string
+class TBadString
+ super Token
+ redef fun to_s
+ do
+ do return "malformed string {text}"
+ end
+end
+
+# A malformed char
+class TBadChar
+ super Token
+ redef fun to_s
+ do
+ do return "malformed character {text}"
+ end
end
+
+class TExternCodeSegment
+ super Token
+end
+
+# A end of file
class EOF
-special Token
-private init noinit do end
+ super Token
+ redef fun to_s
+ do
+ return "end of file"
+ end
end
+
+# A mark of an error
class AError
-special EOF
-private init noinit do end
+ super EOF
+end
+class ALexerError
+ super AError
+end
+class AParserError
+ super AError
end
+# The main node of a Nit source-file
class AModule
-special Prod
- readable writable var _n_packagedecl: nullable APackagedecl = null
- readable writable var _n_imports: List[AImport] = new List[AImport]
- readable writable var _n_classdefs: List[AClassdef] = new List[AClassdef]
-end
-class APackagedecl
-special Prod
- readable writable var _n_doc: nullable ADoc = null
- readable writable var _n_kwpackage: TKwpackage
- readable writable var _n_id: TId
-end
-class AImport special Prod end
+ super Prod
+
+ readable writable var _n_moduledecl: nullable AModuledecl = null
+ readable var _n_imports: ANodes[AImport] = new ANodes[AImport](self)
+ readable var _n_extern_code_blocks: ANodes[AExternCodeBlock] = new ANodes[AExternCodeBlock](self)
+ readable var _n_classdefs: ANodes[AClassdef] = new ANodes[AClassdef](self)
+end
+
+# The declaration of the module with the documentation, name, and annotations
+class AModuledecl
+ super Prod
+ readable writable var _n_doc: nullable ADoc = null
+ readable writable var _n_kwmodule: TKwmodule
+ readable writable var _n_name: AModuleName
+end
+
+# A import clause of a module
+abstract class AImport
+ super Prod
+end
+
+# A standard import clause. eg `import x`
class AStdImport
-special AImport
- readable writable var _n_visibility: AVisibility
- readable writable var _n_kwimport: TKwimport
- readable writable var _n_id: TId
+ super AImport
+ readable writable var _n_visibility: AVisibility
+ readable writable var _n_kwimport: TKwimport
+ readable writable var _n_name: AModuleName
end
+
+# The special import clause of the kernel module. eg `import end`
class ANoImport
-special AImport
- readable writable var _n_visibility: AVisibility
- readable writable var _n_kwimport: TKwimport
- readable writable var _n_kwend: TKwend
+ super AImport
+ readable writable var _n_visibility: AVisibility
+ readable writable var _n_kwimport: TKwimport
+ readable writable var _n_kwend: TKwend
+end
+
+# A visibility modifier
+#
+# The public visibility is an empty production (no keyword).
+#
+# Note: even if some visibilities are only valid on some placse (for instance, no `protected` class or no `intrude` method)
+# the parser has no such a restriction, therefore the semantic phases has to check that the visibilities make sense.
+abstract class AVisibility
+ super Prod
end
-class AVisibility special Prod end
class APublicVisibility
-special AVisibility
+ super AVisibility
end
class APrivateVisibility
-special AVisibility
- readable writable var _n_kwprivate: TKwprivate
+ super AVisibility
+ readable writable var _n_kwprivate: TKwprivate
end
class AProtectedVisibility
-special AVisibility
- readable writable var _n_kwprotected: TKwprotected
+ super AVisibility
+ readable writable var _n_kwprotected: TKwprotected
end
class AIntrudeVisibility
-special AVisibility
- readable writable var _n_kwintrude: TKwintrude
+ super AVisibility
+ readable writable var _n_kwintrude: TKwintrude
end
-class AClassdef special Prod end
+
+# A class definition
+# While most definition are `AStdClassdef`
+# There is tow special case of class definition
+abstract class AClassdef super Prod
+ readable var _n_propdefs: ANodes[APropdef] = new ANodes[APropdef](self)
+end
+
+# A standard class definition with a name, superclasses and properties
class AStdClassdef
-special AClassdef
- readable writable var _n_doc: nullable ADoc = null
- readable writable var _n_kwredef: nullable TKwredef = null
- readable writable var _n_visibility: AVisibility
- readable writable var _n_classkind: AClasskind
- readable writable var _n_id: nullable TClassid = null
- readable writable var _n_formaldefs: List[AFormaldef] = new List[AFormaldef]
- readable writable var _n_superclasses: List[ASuperclass] = new List[ASuperclass]
- readable writable var _n_propdefs: List[APropdef] = new List[APropdef]
+ super AClassdef
+ readable writable var _n_doc: nullable ADoc = null
+ readable writable var _n_kwredef: nullable TKwredef = null
+ readable writable var _n_visibility: AVisibility
+ readable writable var _n_classkind: AClasskind
+ readable writable var _n_id: nullable TClassid = null
+ readable var _n_formaldefs: ANodes[AFormaldef] = new ANodes[AFormaldef](self)
+ readable writable var _n_extern_code_block: nullable AExternCodeBlock = null
+ readable var _n_superclasses: ANodes[ASuperclass] = new ANodes[ASuperclass](self)
+ readable writable var _n_kwend: TKwend
+ redef fun hot_location do return n_id.location
end
+
+# The implicit class definition of the implicit main method
class ATopClassdef
-special AClassdef
- readable writable var _n_propdefs: List[APropdef] = new List[APropdef]
+ super AClassdef
end
+
+# The implicit class definition of the top-level methods
class AMainClassdef
-special AClassdef
- readable writable var _n_propdefs: List[APropdef] = new List[APropdef]
+ super AClassdef
+end
+
+# The modifier for the kind of class (abstract, interface, etc.)
+abstract class AClasskind
+ super Prod
end
-class AClasskind special Prod end
class AConcreteClasskind
-special AClasskind
- readable writable var _n_kwclass: TKwclass
+ super AClasskind
+ readable writable var _n_kwclass: TKwclass
end
class AAbstractClasskind
-special AClasskind
- readable writable var _n_kwabstract: TKwabstract
- readable writable var _n_kwclass: TKwclass
+ super AClasskind
+ readable writable var _n_kwabstract: TKwabstract
+ readable writable var _n_kwclass: TKwclass
end
class AInterfaceClasskind
-special AClasskind
- readable writable var _n_kwinterface: TKwinterface
+ super AClasskind
+ readable writable var _n_kwinterface: TKwinterface
+end
+class AEnumClasskind
+ super AClasskind
+ readable writable var _n_kwenum: TKwenum
end
-class AUniversalClasskind
-special AClasskind
- readable writable var _n_kwuniversal: TKwuniversal
+class AExternClasskind
+ super AClasskind
+ readable writable var _n_kwextern: TKwextern
+ readable writable var _n_kwclass: nullable TKwclass = null
end
+
+# The definition of a formal generic parameter type. eg `X: Y`
class AFormaldef
-special Prod
- readable writable var _n_id: TClassid
- readable writable var _n_type: nullable AType = null
+ super Prod
+ readable writable var _n_id: TClassid
+ # The bound of the parameter type
+ readable writable var _n_type: nullable AType = null
end
+
+# A super-class. eg `super X`
class ASuperclass
-special Prod
- readable writable var _n_kwspecial: TKwspecial
- readable writable var _n_type: AType
+ super Prod
+ readable writable var _n_kwsuper: TKwsuper
+ readable writable var _n_type: AType
end
-class APropdef special Prod
- readable writable var _n_doc: nullable ADoc = null
+
+# The definition of a property
+abstract class APropdef
+ super Prod
+ readable writable var _n_doc: nullable ADoc = null
end
+
+# A definition of an attribute
+# For historical reason, old-syle and new-style attributes use the same `ANode` sub-class
class AAttrPropdef
-special APropdef
- readable writable var _n_kwredef: nullable TKwredef = null
- readable writable var _n_visibility: AVisibility
- readable writable var _n_kwattr: nullable TKwattr = null
- readable writable var _n_kwvar: nullable TKwvar = null
- readable writable var _n_id: TAttrid
- readable writable var _n_type: nullable AType = null
- readable writable var _n_readable: nullable AAble = null
- readable writable var _n_writable: nullable AAble = null
- readable writable var _n_expr: nullable AExpr = null
-end
-class AMethPropdef
-special APropdef
- readable writable var _n_kwredef: nullable TKwredef = null
- readable writable var _n_visibility: nullable AVisibility
- readable writable var _n_methid: nullable AMethid = null
- readable writable var _n_signature: nullable ASignature
+ super APropdef
+ readable writable var _n_kwredef: nullable TKwredef = null
+ readable writable var _n_visibility: AVisibility
+ readable writable var _n_kwvar: TKwvar
+
+ # The identifier for an old-style attribute (null if new-style)
+ readable writable var _n_id: nullable TAttrid
+
+ # The identifier for a new-style attribute (null if old-style)
+ readable writable var _n_id2: nullable TId
+
+ readable writable var _n_type: nullable AType = null
+ readable writable var _n_readable: nullable AAble = null
+ readable writable var _n_writable: nullable AAble = null
+
+ # The initial value, if any
+ readable writable var _n_expr: nullable AExpr = null
+ redef fun hot_location
+ do
+ if n_id != null then return n_id.location else return n_id2.location
+ end
end
+
+# A definition of all kind of method (including constructors)
+abstract class AMethPropdef
+ super APropdef
+ readable writable var _n_kwredef: nullable TKwredef = null
+ readable writable var _n_visibility: nullable AVisibility
+ readable writable var _n_methid: nullable AMethid = null
+ readable writable var _n_signature: nullable ASignature
+ redef fun hot_location
+ do
+ if n_methid != null then
+ return n_methid.location
+ else
+ return location
+ end
+ end
+end
+
+# A method marked abstract
+# *deferred* is a old synonynmous of *abstract* that comes from PRM, that comes from Eiffel.
class ADeferredMethPropdef
-special AMethPropdef
- readable writable var _n_kwmeth: TKwmeth
+ super AMethPropdef
+ readable writable var _n_kwmeth: TKwmeth
end
+
+# A method marked intern
class AInternMethPropdef
-special AMethPropdef
- readable writable var _n_kwmeth: TKwmeth
+ super AMethPropdef
+ readable writable var _n_kwmeth: TKwmeth
+end
+
+# A method of a constructor marked extern
+abstract class AExternPropdef
+ super AMethPropdef
+ readable writable var _n_extern: nullable TString = null
+ readable writable var _n_extern_calls: nullable AExternCalls = null
+ readable writable var _n_extern_code_block: nullable AExternCodeBlock = null
end
+
+# A method marked extern
class AExternMethPropdef
-special AMethPropdef
- readable writable var _n_kwmeth: TKwmeth
- readable writable var _n_extern: nullable TString = null
+ super AExternPropdef
+ readable writable var _n_kwmeth: TKwmeth
end
+
+# A method with a body
class AConcreteMethPropdef
-special AMethPropdef
- readable writable var _n_kwmeth: nullable TKwmeth
- readable writable var _n_block: nullable AExpr = null
+ super AMethPropdef
+ readable writable var _n_kwmeth: nullable TKwmeth
+ readable writable var _n_block: nullable AExpr = null
+end
+
+# A constructor
+abstract class AInitPropdef
+ super AMethPropdef
end
+
+# A constructor with a body
class AConcreteInitPropdef
-special AConcreteMethPropdef
- readable writable var _n_kwinit: TKwinit
+ super AConcreteMethPropdef
+ super AInitPropdef
+ readable writable var _n_kwinit: TKwinit
+ redef fun hot_location do return n_kwinit.location
end
+
+# A constructor marked extern (defined with the `new` keyword)
+class AExternInitPropdef
+ super AExternPropdef
+ super AInitPropdef
+ readable writable var _n_kwnew: TKwnew
+end
+
+# The implicit main method
class AMainMethPropdef
-special AConcreteMethPropdef
+ super AConcreteMethPropdef
end
+
+# Declaration of callbacks for extern methods
+class AExternCalls
+ super Prod
+ readable writable var _n_kwimport: TKwimport
+ readable var _n_extern_calls: ANodes[AExternCall] = new ANodes[AExternCall](self)
+end
+abstract class AExternCall
+ super Prod
+end
+abstract class APropExternCall
+ super AExternCall
+end
+class ALocalPropExternCall
+ super APropExternCall
+ readable writable var _n_methid: AMethid
+end
+class AFullPropExternCall
+ super APropExternCall
+ readable writable var _n_type: AType
+ readable writable var _n_dot: nullable TDot = null
+ readable writable var _n_methid: AMethid
+end
+class AInitPropExternCall
+ super APropExternCall
+ readable writable var _n_type: AType
+end
+class ASuperExternCall
+ super AExternCall
+ readable writable var _n_kwsuper: TKwsuper
+end
+abstract class ACastExternCall
+ super AExternCall
+end
+class ACastAsExternCall
+ super ACastExternCall
+ readable writable var _n_from_type: AType
+ readable writable var _n_dot: nullable TDot = null
+ readable writable var _n_kwas: TKwas
+ readable writable var _n_to_type: AType
+end
+class AAsNullableExternCall
+ super ACastExternCall
+ readable writable var _n_type: AType
+ readable writable var _n_kwas: TKwas
+ readable writable var _n_kwnullable: TKwnullable
+end
+class AAsNotNullableExternCall
+ super ACastExternCall
+ readable writable var _n_type: AType
+ readable writable var _n_kwas: TKwas
+ readable writable var _n_kwnot: TKwnot
+ readable writable var _n_kwnullable: TKwnullable
+end
+
+# A definition of a virtual type
class ATypePropdef
-special APropdef
- readable writable var _n_kwredef: nullable TKwredef = null
- readable writable var _n_visibility: AVisibility
- readable writable var _n_kwtype: TKwtype
- readable writable var _n_id: TClassid
- readable writable var _n_type: AType
+ super APropdef
+ readable writable var _n_kwredef: nullable TKwredef = null
+ readable writable var _n_visibility: AVisibility
+ readable writable var _n_kwtype: TKwtype
+ readable writable var _n_id: TClassid
+ readable writable var _n_type: AType
end
-class AAble special Prod
- readable writable var _n_kwredef: nullable TKwredef = null
+
+# A `writable` or `readable` modifier
+abstract class AAble
+ super Prod
+ readable writable var _n_visibility: nullable AVisibility = null
+ readable writable var _n_kwredef: nullable TKwredef = null
end
+
+# A `readable` modifier
class AReadAble
-special AAble
- readable writable var _n_kwreadable: TKwreadable
+ super AAble
+ readable writable var _n_kwreadable: TKwreadable
end
+
+# A `writable` modifier
class AWriteAble
-special AAble
- readable writable var _n_kwwritable: TKwwritable
+ super AAble
+ readable writable var _n_kwwritable: TKwwritable
+end
+
+# The identifier of a method in a method declaration.
+# There is a specific class because of operator and setters.
+abstract class AMethid
+ super Prod
end
-class AMethid special Prod end
class AIdMethid
-special AMethid
- readable writable var _n_id: TId
+ super AMethid
+ readable writable var _n_id: TId
end
class APlusMethid
-special AMethid
- readable writable var _n_plus: TPlus
+ super AMethid
+ readable writable var _n_plus: TPlus
end
class AMinusMethid
-special AMethid
- readable writable var _n_minus: TMinus
+ super AMethid
+ readable writable var _n_minus: TMinus
end
class AStarMethid
-special AMethid
- readable writable var _n_star: TStar
+ super AMethid
+ readable writable var _n_star: TStar
end
class ASlashMethid
-special AMethid
- readable writable var _n_slash: TSlash
+ super AMethid
+ readable writable var _n_slash: TSlash
end
class APercentMethid
-special AMethid
- readable writable var _n_percent: TPercent
+ super AMethid
+ readable writable var _n_percent: TPercent
end
class AEqMethid
-special AMethid
- readable writable var _n_eq: TEq
+ super AMethid
+ readable writable var _n_eq: TEq
end
class ANeMethid
-special AMethid
- readable writable var _n_ne: TNe
+ super AMethid
+ readable writable var _n_ne: TNe
end
class ALeMethid
-special AMethid
- readable writable var _n_le: TLe
+ super AMethid
+ readable writable var _n_le: TLe
end
class AGeMethid
-special AMethid
- readable writable var _n_ge: TGe
+ super AMethid
+ readable writable var _n_ge: TGe
end
class ALtMethid
-special AMethid
- readable writable var _n_lt: TLt
+ super AMethid
+ readable writable var _n_lt: TLt
end
class AGtMethid
-special AMethid
- readable writable var _n_gt: TGt
+ super AMethid
+ readable writable var _n_gt: TGt
+end
+class ALlMethid
+ super AMethid
+ readable writable var _n_ll: TLl
+end
+class AGgMethid
+ super AMethid
+ readable writable var _n_gg: TGg
end
class ABraMethid
-special AMethid
- readable writable var _n_obra: TObra
- readable writable var _n_cbra: TCbra
+ super AMethid
+ readable writable var _n_obra: TObra
+ readable writable var _n_cbra: TCbra
end
class AStarshipMethid
-special AMethid
- readable writable var _n_starship: TStarship
+ super AMethid
+ readable writable var _n_starship: TStarship
end
class AAssignMethid
-special AMethid
- readable writable var _n_id: TId
- readable writable var _n_assign: TAssign
+ super AMethid
+ readable writable var _n_id: TId
+ readable writable var _n_assign: TAssign
end
class ABraassignMethid
-special AMethid
- readable writable var _n_obra: TObra
- readable writable var _n_cbra: TCbra
- readable writable var _n_assign: TAssign
+ super AMethid
+ readable writable var _n_obra: TObra
+ readable writable var _n_cbra: TCbra
+ readable writable var _n_assign: TAssign
end
+
+# A signature in a method definition. eg `(x,y:X,z:Z):T`
class ASignature
-special Prod
- readable writable var _n_params: List[AParam] = new List[AParam]
- readable writable var _n_type: nullable AType = null
- readable writable var _n_closure_decls: List[AClosureDecl] = new List[AClosureDecl]
+ super Prod
+ readable writable var _n_opar: nullable TOpar = null
+ readable var _n_params: ANodes[AParam] = new ANodes[AParam](self)
+ readable writable var _n_cpar: nullable TCpar = null
+ readable writable var _n_type: nullable AType = null
end
+
+# A parameter definition in a signature. eg `x:X`
class AParam
-special Prod
- readable writable var _n_id: TId
- readable writable var _n_type: nullable AType = null
- readable writable var _n_dotdotdot: nullable TDotdotdot = null
-end
-class AClosureDecl
-special Prod
- readable writable var _n_kwwith: TKwwith
- readable writable var _n_kwbreak: nullable TKwbreak = null
- readable writable var _n_id: TId
- readable writable var _n_signature: ASignature
- readable writable var _n_expr: nullable AExpr = null
+ super Prod
+ readable writable var _n_id: TId
+ readable writable var _n_type: nullable AType = null
+ readable writable var _n_dotdotdot: nullable TDotdotdot = null
end
+
+# A static type. eg `nullable X[Y]`
class AType
-special Prod
- readable writable var _n_kwnullable: nullable TKwnullable = null
- readable writable var _n_id: TClassid
- readable writable var _n_types: List[AType] = new List[AType]
+ super Prod
+ readable writable var _n_kwnullable: nullable TKwnullable = null
+
+ # The name of the class or of the formal type
+ readable writable var _n_id: TClassid
+
+ # Type arguments for a generic type
+ readable var _n_types: ANodes[AType] = new ANodes[AType](self)
end
+
+# A label at the end of a block or in a break/continue statement. eg `label x`
class ALabel
-special Prod
- readable writable var _n_kwlabel: TKwlabel
- readable writable var _n_id: TId
+ super Prod
+ readable writable var _n_kwlabel: TKwlabel
+ readable writable var _n_id: TId
end
-class AExpr special Prod end
+
+# Expression and statements
+# From a AST point of view there is no distinction between statement and expressions (even if the parser has to distinguish them)
+abstract class AExpr
+ super Prod
+end
+
+# A sequence of AExpr (usually statements)
+# The last AExpr gives the value of the whole block
class ABlockExpr
-special AExpr
- readable writable var _n_expr: List[AExpr] = new List[AExpr]
+ super AExpr
+ readable var _n_expr: ANodes[AExpr] = new ANodes[AExpr](self)
+ readable writable var _n_kwend: nullable TKwend = null
end
+
+# A declaration of a local variable. eg `var x: X = y`
class AVardeclExpr
-special AExpr
- readable writable var _n_kwvar: TKwvar
- readable writable var _n_id: TId
- readable writable var _n_type: nullable AType = null
- readable writable var _n_assign: nullable TAssign = null
- readable writable var _n_expr: nullable AExpr = null
+ super AExpr
+ readable writable var _n_kwvar: TKwvar
+ readable writable var _n_id: TId
+ readable writable var _n_type: nullable AType = null
+ readable writable var _n_assign: nullable TAssign = null
+
+ # The initial value, if any
+ readable writable var _n_expr: nullable AExpr = null
end
+
+# A `return` statement. eg `return x`
class AReturnExpr
-special AExpr
- readable writable var _n_kwreturn: TKwreturn
- readable writable var _n_expr: nullable AExpr = null
+ super AExpr
+ readable writable var _n_kwreturn: nullable TKwreturn = null
+ readable writable var _n_expr: nullable AExpr = null
end
-class ALabelable
-special Prod
- readable writable var _n_label: nullable ALabel = null
+
+# Something that has a label.
+abstract class ALabelable
+ super Prod
+ readable writable var _n_label: nullable ALabel = null
end
+
+# A `break` statement.
class ABreakExpr
-special AExpr
-special ALabelable
- readable writable var _n_kwbreak: TKwbreak
- readable writable var _n_expr: nullable AExpr = null
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwbreak: TKwbreak
+ readable writable var _n_expr: nullable AExpr = null
end
+
+# An `abort` statement
class AAbortExpr
-special AExpr
- readable writable var _n_kwabort: TKwabort
+ super AExpr
+ readable writable var _n_kwabort: TKwabort
end
+
+# A `continue` statement
class AContinueExpr
-special AExpr
-special ALabelable
- readable writable var _n_kwcontinue: TKwcontinue
- readable writable var _n_expr: nullable AExpr = null
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwcontinue: nullable TKwcontinue = null
+ readable writable var _n_expr: nullable AExpr = null
end
+
+# A `do` statement
class ADoExpr
-special AExpr
-special ALabelable
- readable writable var _n_kwdo: TKwdo
- readable writable var _n_block: nullable AExpr = null
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwdo: TKwdo
+ readable writable var _n_block: nullable AExpr = null
end
+
+# A `if` statement
class AIfExpr
-special AExpr
- readable writable var _n_kwif: TKwif
- readable writable var _n_expr: AExpr
- readable writable var _n_then: nullable AExpr = null
- readable writable var _n_else: nullable AExpr = null
+ super AExpr
+ readable writable var _n_kwif: TKwif
+ readable writable var _n_expr: AExpr
+ readable writable var _n_then: nullable AExpr = null
+ readable writable var _n_else: nullable AExpr = null
end
+
+# A `if` expression
class AIfexprExpr
-special AExpr
- readable writable var _n_kwif: TKwif
- readable writable var _n_expr: AExpr
- readable writable var _n_kwthen: TKwthen
- readable writable var _n_then: AExpr
- readable writable var _n_kwelse: TKwelse
- readable writable var _n_else: AExpr
+ super AExpr
+ readable writable var _n_kwif: TKwif
+ readable writable var _n_expr: AExpr
+ readable writable var _n_kwthen: TKwthen
+ readable writable var _n_then: AExpr
+ readable writable var _n_kwelse: TKwelse
+ readable writable var _n_else: AExpr
end
+
+# A `while` statement
class AWhileExpr
-special AExpr
-special ALabelable
- readable writable var _n_kwwhile: TKwwhile
- readable writable var _n_expr: AExpr
- readable writable var _n_kwdo: TKwdo
- readable writable var _n_block: nullable AExpr = null
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwwhile: TKwwhile
+ readable writable var _n_expr: AExpr
+ readable writable var _n_kwdo: TKwdo
+ readable writable var _n_block: nullable AExpr = null
end
+
+# A `loop` statement
+class ALoopExpr
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwloop: TKwloop
+ readable writable var _n_block: nullable AExpr = null
+end
+
+# A `for` statement
class AForExpr
-special AExpr
-special ALabelable
- readable writable var _n_kwfor: TKwfor
- readable writable var _n_id: TId
- readable writable var _n_expr: AExpr
- readable writable var _n_kwdo: TKwdo
- readable writable var _n_block: nullable AExpr = null
+ super AExpr
+ super ALabelable
+ readable writable var _n_kwfor: TKwfor
+ readable var _n_ids: ANodes[TId] = new ANodes[TId](self)
+ readable writable var _n_expr: AExpr
+ readable writable var _n_kwdo: TKwdo
+ readable writable var _n_block: nullable AExpr = null
end
+
+# An `assert` statement
class AAssertExpr
-special AExpr
- readable writable var _n_kwassert: TKwassert
- readable writable var _n_id: nullable TId = null
- readable writable var _n_expr: AExpr
+ super AExpr
+ readable writable var _n_kwassert: TKwassert
+ readable writable var _n_id: nullable TId = null
+ readable writable var _n_expr: AExpr
+ readable writable var _n_else: nullable AExpr = null
end
-class AAssignFormExpr
-special AExpr
- readable writable var _n_assign: TAssign
- readable writable var _n_value: AExpr
+
+# Whatever is a simple assignment. eg `= something`
+abstract class AAssignFormExpr
+ super AExpr
+ readable writable var _n_assign: TAssign
+ readable writable var _n_value: AExpr
end
-class AReassignFormExpr
-special AExpr
- readable writable var _n_assign_op: AAssignOp
- readable writable var _n_value: AExpr
+
+# Whatever is a combined assignment. eg `+= something`
+abstract class AReassignFormExpr
+ super AExpr
+ readable writable var _n_assign_op: AAssignOp
+ readable writable var _n_value: AExpr
end
+
+# A `once` expression. eg `once x`
class AOnceExpr
-special AProxyExpr
- readable writable var _n_kwonce: TKwonce
+ super AProxyExpr
+ readable writable var _n_kwonce: TKwonce
end
-class ASendExpr
-special AExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
+
+# A polymorphic invocation of a method
+# The form of the invocation (name, arguments, etc) are specific
+abstract class ASendExpr
+ super AExpr
+ # The receiver of the method invocation
+ readable writable var _n_expr: AExpr
end
-class ABinopExpr
-special ASendExpr
- readable writable var _n_expr2: AExpr
+
+# A binary operation on a method
+abstract class ABinopExpr
+ super ASendExpr
+ # The second operand of the operation
+ # Note: the receiver (`n_expr`) is the first operand
+ readable writable var _n_expr2: AExpr
end
-class ABoolExpr
-special AExpr
+
+# Something that is boolean expression
+abstract class ABoolExpr
+ super AExpr
end
+
+# A `or` expression
class AOrExpr
-special ABoolExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_expr2: AExpr
+ super ABoolExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_expr2: AExpr
end
+
+# A `and` expression
class AAndExpr
-special ABoolExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_expr2: AExpr
+ super ABoolExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_expr2: AExpr
end
+
+# A `or else` expression
+class AOrElseExpr
+ super ABoolExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_expr2: AExpr
+end
+
+# A `implies` expression
+class AImpliesExpr
+ super ABoolExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_expr2: AExpr
+end
+
+# A `not` expression
class ANotExpr
-special ABoolExpr
- readable writable var _n_kwnot: TKwnot
- readable writable var _n_expr: AExpr
+ super ABoolExpr
+ readable writable var _n_kwnot: TKwnot
+ readable writable var _n_expr: AExpr
end
+
+# A `==` expression
class AEqExpr
-special ABinopExpr
-end
-class AEeExpr
-special ABoolExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_expr2: AExpr
+ super ABinopExpr
end
+
+# A `!=` expression
class ANeExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `<` expression
class ALtExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `<=` expression
class ALeExpr
-special ABinopExpr
+ super ABinopExpr
+end
+
+# A `<<` expression
+class ALlExpr
+ super ABinopExpr
end
+
+# A `>` expression
class AGtExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `>=` expression
class AGeExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `>>` expression
+class AGgExpr
+ super ABinopExpr
+end
+
+# A type-ckeck expression. eg `x isa T`
class AIsaExpr
-special ABoolExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_type: AType
+ super ABoolExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_type: AType
end
+
+# A `+` expression
class APlusExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `-` expression
class AMinusExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `<=>` expression
class AStarshipExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `*` expression
class AStarExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `/` expression
class ASlashExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A `%` expression
class APercentExpr
-special ABinopExpr
+ super ABinopExpr
end
+
+# A unary minus expression. eg `-x`
class AUminusExpr
-special ASendExpr
- readable writable var _n_minus: TMinus
+ super ASendExpr
+ readable writable var _n_minus: TMinus
end
+
+# An explicit instantiation. eg `new T`
class ANewExpr
-special AExpr
- readable writable var _n_kwnew: TKwnew
- readable writable var _n_type: AType
- readable writable var _n_id: nullable TId = null
- readable writable var _n_args: List[AExpr] = new List[AExpr]
+ super AExpr
+ readable writable var _n_kwnew: TKwnew
+ readable writable var _n_type: AType
+
+ # The name of the named-constructor, if any
+ readable writable var _n_id: nullable TId = null
+ readable writable var _n_args: AExprs
end
-class AAttrFormExpr
-special AExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_id: TAttrid
+
+# Whatever is a old-style attribute access
+abstract class AAttrFormExpr
+ super AExpr
+
+ # The receiver of the attribute
+ readable writable var _n_expr: AExpr
+
+ # The name of the attribute
+ readable writable var _n_id: TAttrid
end
+
+# The read of an attribute. eg `x._a`
class AAttrExpr
-special AAttrFormExpr
+ super AAttrFormExpr
end
+
+# The assignment of an attribute. eg `x._a=y`
class AAttrAssignExpr
-special AAttrFormExpr
-special AAssignFormExpr
+ super AAttrFormExpr
+ super AAssignFormExpr
end
-class ACallFormExpr
-special ASendExpr
- readable writable var _n_id: TId
- readable writable var _n_args: List[AExpr] = new List[AExpr]
+
+# Whatever looks-like a call with a standard method and any number of arguments.
+abstract class ACallFormExpr
+ super ASendExpr
+
+ # The name of the method
+ readable writable var _n_id: TId
+
+ # The arguments of the call
+ readable writable var _n_args: AExprs
end
+
+# A complex setter call (standard or brackets)
+abstract class ASendReassignFormExpr
+ super ASendExpr
+ super AReassignFormExpr
+end
+
+# A complex attribute assignment. eg `x._a+=y`
class AAttrReassignExpr
-special AExpr
-special AAttrFormExpr
-special AReassignFormExpr
+ super AAttrFormExpr
+ super AReassignFormExpr
end
+
+# A call with a standard method-name and any number of arguments. eg `x.m(y)`. OR just a simple id
+# Note: because the parser cannot distinguish a variable read with a method call with an implicit receiver and no arguments, it always returns a `ACallExpr`.
+# Semantic analysis have to transform them to instance of `AVarExpr`.
class ACallExpr
-special ACallFormExpr
+ super ACallFormExpr
end
+
+# A setter call with a standard method-name and any number of arguments. eg `x.m(y)=z`. OR just a simple assignment.
+# Note: because the parser cannot distinguish a variable write with a setter call with an implicit receiver and no arguments, it always returns a `ACallAssignExpr`.
+# Semantic analysis have to transform them to instance of `AVarAssignExpr`.
class ACallAssignExpr
-special ACallFormExpr
-special AAssignFormExpr
+ super ACallFormExpr
+ super AAssignFormExpr
end
+
+# A complex setter call with a standard method-name and any number of arguments. eg `x.m(y)+=z`. OR just a simple complex assignment.
+# Note: because the parser cannot distinguish a variable write with a compex setter call with an implicit receiver and no arguments, it always returns a `ACallReassignExpr`.
+# Semantic analysis have to transform them to instance of `AVarReassignExpr`.
class ACallReassignExpr
-special AExpr
-special ACallFormExpr
-special AReassignFormExpr
+ super ACallFormExpr
+ super ASendReassignFormExpr
end
+
+# A call to `super`. OR a call of a super-constructor
class ASuperExpr
-special AExpr
- readable writable var _n_qualified: nullable AQualified = null
- readable writable var _n_kwsuper: TKwsuper
- readable writable var _n_args: List[AExpr] = new List[AExpr]
+ super AExpr
+ readable writable var _n_qualified: nullable AQualified = null
+ readable writable var _n_kwsuper: TKwsuper
+ readable writable var _n_args: AExprs
end
+
+# A call to the `init` constructor.
+# Note: because `init` is a keyword and not a `TId`, the explicit call to init cannot be a ACallFormExpr.
class AInitExpr
-special ASendExpr
- readable writable var _n_kwinit: TKwinit
- readable writable var _n_args: List[AExpr] = new List[AExpr]
+ super ASendExpr
+ readable writable var _n_kwinit: TKwinit
+ readable writable var _n_args: AExprs
end
-class ABraFormExpr
-special ASendExpr
- readable writable var _n_args: List[AExpr] = new List[AExpr]
+
+# Whatever looks-like a call of the brackets `[]` operator.
+abstract class ABraFormExpr
+ super ASendExpr
+ readable writable var _n_args: AExprs
end
+
+# A call of the brackets operator. eg `x[y,z]`
class ABraExpr
-special ABraFormExpr
+ super ABraFormExpr
end
+
+# A setter call of the bracket operator. eg `x[y,z]=t`
class ABraAssignExpr
-special ABraFormExpr
-special AAssignFormExpr
+ super ABraFormExpr
+ super AAssignFormExpr
end
-class AVarFormExpr
-special AExpr
- readable writable var _n_id: TId
+
+# Whatever is an access to a local variable
+abstract class AVarFormExpr
+ super AExpr
+ readable writable var _n_id: TId
end
+
+# A complex setter call of the bracket operator. eg `x[y,z]+=t`
class ABraReassignExpr
-special ABraFormExpr
-special AReassignFormExpr
-end
-class AClosureCallExpr
-special AExpr
- readable writable var _n_id: TId
- readable writable var _n_args: List[AExpr] = new List[AExpr]
- readable writable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
+ super ABraFormExpr
+ super ASendReassignFormExpr
end
+
+# A local variable read access.
+# The parser cannot instantiate them, see `ACallExpr`.
class AVarExpr
-special AVarFormExpr
+ super AVarFormExpr
end
+
+# A local variable simple assigment access
+# The parser cannot instantiate them, see `ACallAssignExpr`.
class AVarAssignExpr
-special AVarFormExpr
-special AAssignFormExpr
+ super AVarFormExpr
+ super AAssignFormExpr
end
+
+# A local variable complex assignment access
+# The parser cannot instantiate them, see `ACallReassignExpr`.
class AVarReassignExpr
-special AVarFormExpr
-special AReassignFormExpr
+ super AVarFormExpr
+ super AReassignFormExpr
end
-class ARangeExpr
-special AExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_expr2: AExpr
+
+# A literal range, open or closed
+abstract class ARangeExpr
+ super AExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_expr2: AExpr
end
+
+# A closed literal range. eg `[x..y]`
class ACrangeExpr
-special ARangeExpr
+ super ARangeExpr
+ readable writable var _n_obra: TObra
+ readable writable var _n_cbra: TCbra
end
+
+# An open literal range. eg `[x..y[`
class AOrangeExpr
-special ARangeExpr
+ super ARangeExpr
+ readable writable var _n_obra: TObra
+ readable writable var _n_cbra: TObra
end
+
+# A literal array. eg. `[x,y,z]`
class AArrayExpr
-special AExpr
- readable writable var _n_exprs: List[AExpr] = new List[AExpr]
+ super AExpr
+ readable writable var _n_exprs: AExprs
end
+
+# A read of `self`
class ASelfExpr
-special AExpr
- readable writable var _n_kwself: nullable TKwself
+ super AExpr
+ readable writable var _n_kwself: nullable TKwself
end
+
+# When there is no explicit receiver, `self` is implicit
class AImplicitSelfExpr
-special ASelfExpr
+ super ASelfExpr
end
+
+# A `true` boolean literal constant
class ATrueExpr
-special ABoolExpr
- readable writable var _n_kwtrue: TKwtrue
+ super ABoolExpr
+ readable writable var _n_kwtrue: TKwtrue
end
+# A `false` boolean literal constant
class AFalseExpr
-special ABoolExpr
- readable writable var _n_kwfalse: TKwfalse
+ super ABoolExpr
+ readable writable var _n_kwfalse: TKwfalse
end
+# A `null` literal constant
class ANullExpr
-special AExpr
- readable writable var _n_kwnull: TKwnull
+ super AExpr
+ readable writable var _n_kwnull: TKwnull
end
+# An integer literal
class AIntExpr
-special AExpr
- readable writable var _n_number: TNumber
+ super AExpr
end
+# An integer literal in decimal format
+class ADecIntExpr
+ super AIntExpr
+ readable writable var _n_number: TNumber
+end
+# A float literal
class AFloatExpr
-special AExpr
- readable writable var _n_float: TFloat
+ super AExpr
+ readable writable var _n_float: TFloat
end
+# A character literal
class ACharExpr
-special AExpr
- readable writable var _n_char: TChar
+ super AExpr
+ readable writable var _n_char: TChar
end
-class AStringFormExpr
-special AExpr
+# A string literal
+abstract class AStringFormExpr
+ super AExpr
+ readable writable var _n_string: Token
end
+
+# A simple string. eg. `"abc"`
class AStringExpr
-special AStringFormExpr
- readable writable var _n_string: TString
+ super AStringFormExpr
end
+
+# The start of a superstring. eg `"abc{`
class AStartStringExpr
-special AStringFormExpr
- readable writable var _n_string: TStartString
+ super AStringFormExpr
end
+
+# The middle of a superstring. eg `}abc{`
class AMidStringExpr
-special AStringFormExpr
- readable writable var _n_string: TMidString
+ super AStringFormExpr
end
+
+# The end of a superstrng. eg `}abc"`
class AEndStringExpr
-special AStringFormExpr
- readable writable var _n_string: TEndString
+ super AStringFormExpr
end
+
+# A superstring literal. eg `"a{x}b{y}c"`
+# Each part is modelized a sequence of expression. eg. `["a{, x, }b{, y, }c"]`
class ASuperstringExpr
-special AExpr
- readable writable var _n_exprs: List[AExpr] = new List[AExpr]
+ super AExpr
+ readable var _n_exprs: ANodes[AExpr] = new ANodes[AExpr](self)
end
+
+# A simple parenthesis. eg `(x)`
class AParExpr
-special AProxyExpr
+ super AProxyExpr
+ readable writable var _n_opar: TOpar
+ readable writable var _n_cpar: TCpar
end
-class AProxyExpr
-special AExpr
- readable writable var _n_expr: AExpr
+
+# Whatevej just contains (and mimic) an other expression
+abstract class AProxyExpr
+ super AExpr
+ readable writable var _n_expr: AExpr
end
+
+# A type cast. eg `x.as(T)`
class AAsCastExpr
-special AExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_kwas: TKwas
- readable writable var _n_type: AType
+ super AExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_kwas: TKwas
+ readable writable var _n_opar: nullable TOpar = null
+ readable writable var _n_type: AType
+ readable writable var _n_cpar: nullable TCpar = null
end
+
+# A as-not-null cast. eg `x.as(not null)`
class AAsNotnullExpr
-special AExpr
- readable writable var _n_expr: AExpr
- readable writable var _n_kwas: TKwas
- readable writable var _n_kwnot: TKwnot
- readable writable var _n_kwnull: TKwnull
+ super AExpr
+ readable writable var _n_expr: AExpr
+ readable writable var _n_kwas: TKwas
+ readable writable var _n_opar: nullable TOpar = null
+ readable writable var _n_kwnot: TKwnot
+ readable writable var _n_kwnull: TKwnull
+ readable writable var _n_cpar: nullable TCpar = null
end
+
+# A is-set check of old-style attributes. eg `isset x._a`
class AIssetAttrExpr
-special AAttrFormExpr
- readable writable var _n_kwisset: TKwisset
+ super AAttrFormExpr
+ readable writable var _n_kwisset: TKwisset
+end
+
+# A list of expression separated with commas (arguments for instance)
+abstract class AExprs
+ super Prod
+ readable var _n_exprs: ANodes[AExpr] = new ANodes[AExpr](self)
+end
+
+class ADebugTypeExpr
+ super AExpr
+ readable writable var _n_kwdebug: TKwdebug
+ readable writable var _n_kwtype: TKwtype
+ readable writable var _n_expr: AExpr
+ readable writable var _n_type: AType
+end
+
+# A simple list of expressions
+class AListExprs
+ super AExprs
+end
+
+# A list of expressions enclosed in parentheses
+class AParExprs
+ super AExprs
+ readable writable var _n_opar: TOpar
+ readable writable var _n_cpar: TCpar
+end
+
+# A list of expressions enclosed in brackets
+class ABraExprs
+ super AExprs
+ readable writable var _n_obra: TObra
+ readable writable var _n_cbra: TCbra
+end
+
+# A complex assignment operator. eg `+=`
+abstract class AAssignOp
+ super Prod
end
-class AAssignOp special Prod end
class APlusAssignOp
-special AAssignOp
- readable writable var _n_pluseq: TPluseq
+ super AAssignOp
+ readable writable var _n_pluseq: TPluseq
end
class AMinusAssignOp
-special AAssignOp
- readable writable var _n_minuseq: TMinuseq
+ super AAssignOp
+ readable writable var _n_minuseq: TMinuseq
end
-class AClosureDef
-special ALabelable
- readable writable var _n_kwwith: TKwwith
- readable writable var _n_id: List[TId] = new List[TId]
- readable writable var _n_kwdo: TKwdo
- readable writable var _n_expr: nullable AExpr = null
+
+class AModuleName
+ super Prod
+ readable writable var _n_quad: nullable TQuad = null
+ readable var _n_path: ANodes[TId] = new ANodes[TId](self)
+ readable writable var _n_id: TId
+end
+class AInLanguage
+ super Prod
+ readable writable var _n_kwin: TKwin
+ readable writable var _n_string: TString
+end
+class AExternCodeBlock
+ super Prod
+ readable writable var _n_in_language: nullable AInLanguage = null
+ readable writable var _n_extern_code_segment: TExternCodeSegment
end
class AQualified
-special Prod
- readable writable var _n_id: List[TId] = new List[TId]
- readable writable var _n_classid: nullable TClassid = null
+ super Prod
+ readable writable var _n_quad: nullable TQuad = null
+ readable var _n_id: ANodes[TId] = new ANodes[TId](self)
+ readable writable var _n_classid: nullable TClassid = null
end
+
+# A documentation of a definition
+# It contains the block of comments just above the declaration
class ADoc
-special Prod
- readable writable var _n_comment: List[TComment] = new List[TComment]
+ super Prod
+ readable var _n_comment: ANodes[TComment] = new ANodes[TComment](self)
+end
+
+class AAnnotations
+ super Prod
+ readable writable var _n_at: nullable TAt = null
+ readable writable var _n_opar: nullable TOpar = null
+ readable var _n_items: ANodes[AAnnotation] = new ANodes[AAnnotation](self)
+ readable writable var _n_cpar: nullable TCpar = null
+end
+class AAnnotation
+ super Prod
+ readable writable var _n_atid: AAtid
+ readable writable var _n_opar: nullable TOpar = null
+ readable var _n_args: ANodes[AAtArg] = new ANodes[AAtArg](self)
+ readable writable var _n_cpar: nullable TCpar = null
+end
+abstract class AAtArg
+ super Prod
+end
+class ATypeAtArg
+ super AAtArg
+ readable writable var _n_type: AType
+end
+class AExprAtArg
+ super AAtArg
+ readable writable var _n_expr: AExpr
+end
+class AAtAtArg
+ super AAtArg
+end
+abstract class AAtid
+ super Prod
+ readable writable var _n_id: Token
+end
+class AIdAtid
+ super AAtid
+end
+class AKwexternAtid
+ super AAtid
+end
+class AKwinternAtid
+ super AAtid
+end
+class AKwreadableAtid
+ super AAtid
+end
+class AKwwritableAtid
+ super AAtid
+end
+class AKwimportAtid
+ super AAtid
end
+# The root of the AST
class Start
-special Prod
- readable writable var _n_base: nullable AModule
- readable writable var _n_eof: EOF
+ super Prod
+ readable writable var _n_base: nullable AModule
+ readable writable var _n_eof: EOF
+ init(n_base: nullable AModule, n_eof: EOF)
+ do
+ self._n_base = n_base
+ self._n_eof = n_eof
+ end
end
nitlanguage / nit.git / blobdiff