# AST nodes of the Nit language
# Was previously based on parser_abs.nit.
-package parser_nodes
+module parser_nodes
import location
+import ordered_tree
# Root of the AST class-hierarchy
abstract class ANode
- 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)
+ var location: Location is writable, noinit
# 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")}"
+ sys.stderr.write "{hot_location} {self.class_name}: {message}\n{hot_location.colored_line("0;32")}\n"
+ end
+
+ # Write the subtree on stdout.
+ # See `ASTDump`
+ fun dump_tree
+ do
+ var d = new ASTDump
+ d.enter_visit(self)
+ d.write_to(sys.stdout)
end
# Parent of the node in the AST
- readable writable var _parent: nullable ANode = null
+ var parent: nullable ANode = null
+
+ # The topmost ancestor of the element
+ # This just apply `parent` until the first one
+ fun root: ANode
+ do
+ var res = self
+ loop
+ var p = res.parent
+ if p == null then return res
+ res = p
+ end
+ end
- # Protect form invalid instantiation of nodes
- private init do end
+ # The most specific common parent between `self` and `other`
+ # Return null if the two node are unrelated (distinct root)
+ fun common_parent(other: ANode): nullable ANode
+ do
+ # First, get the same depth
+ var s: nullable ANode = self
+ var o: nullable ANode = other
+ var d = s.depth - o.depth
+ while d > 0 do
+ s = s.parent
+ d -= 1
+ end
+ while d < 0 do
+ o = o.parent
+ d += 1
+ end
+ assert o.depth == s.depth
+ # Second, go up until same in found
+ while s != o do
+ s = s.parent
+ o = o.parent
+ end
+ return s
+ end
+
+ # Number of nodes between `self` and the `root` of the AST
+ # ENSURE `self == self.root implies result == 0 `
+ # ENSURE `self != self.root implies result == self.parent.depth + 1`
+ fun depth: Int
+ do
+ var n = self
+ var res = 0
+ loop
+ var p = n.parent
+ if p == null then return res
+ n = p
+ res += 1
+ end
+ 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
+ # Aborts if the node is not detachable. 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
+ assert parent != null
+ parent.replace_child(self, null)
+ parent = null
end
# Replace itself with an other node in the AST
# ENSURE: parent == null
fun replace_with(node: ANode)
do
- assert _parent != null
- _parent.replace_child(self, node)
- _parent = null
+ 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
+
+ # Do a deep search and return an array of tokens that match a given text
+ fun collect_tokens_by_text(text: String): Array[Token]
+ do
+ var v = new CollectTokensByTextVisitor(text)
+ v.enter_visit(self)
+ return v.result
+ end
+
+ # Do a deep search and return an array of node that are annotated
+ # The attached node can be retrieved by two invocations of parent
+ fun collect_annotations_by_name(name: String): Array[AAnnotation]
+ do
+ var v = new CollectAnnotationsByNameVisitor(name)
+ v.enter_visit(self)
+ return v.result
+ end
+end
+
+private class CollectTokensByTextVisitor
+ super Visitor
+ var text: String
+ var result = new Array[Token]
+ redef fun visit(node)
+ do
+ node.visit_all(self)
+ if node isa Token and node.text == text then result.add(node)
+ end
+end
+
+private class CollectAnnotationsByNameVisitor
+ super Visitor
+ var name: String
+ var result = new Array[AAnnotation]
+ redef fun visit(node)
+ do
+ node.visit_all(self)
+ if node isa AAnnotation and node.n_atid.n_id.text == name then result.add(node)
+ end
+end
+
+# A helper class to handle (print) Nit AST as an OrderedTree
+class ASTDump
+ super Visitor
+ super OrderedTree[ANode]
+
+ # Reference to the last parent in the Ordered Tree
+ # Is used to handle the initial node parent and workaround possible inconsistent `ANode::parent`
+ private var last_parent: nullable ANode = null
+
+ redef fun visit(n)
+ do
+ var p = last_parent
+ add(p, n)
+ last_parent = n
+ n.visit_all(self)
+ last_parent = p
+ end
+
+ redef fun display(n)
+ do
+ if n isa Token then
+ return "{n.class_name} \"{n.text.escape_to_c}\" @{n.location}"
+ else
+ return "{n.class_name} @{n.location}"
+ end
+ end
+end
+
+# A sequence of nodes
+# It is a specific class (instead of using a 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 reverse_iterator do return items.reverse_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 constructor 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
# The raw content on the token
fun text: String is abstract
+
+ # The raw content on the token
fun text=(text: String) is abstract
+ # The previous token in the Lexer.
+ # May have disappeared in the AST
+ var prev_token: nullable Token = null
+
+ # The next token in the Lexer.
+ # May have disappeared in the AST
+ var next_token: nullable Token = null
+
+ # Is `self` a token discarded from the AST?
+ #
+ # Loose tokens are not present in the AST.
+ # It means they were identified by the lexer but were discarded by the parser.
+ # It also means that they are not visited or manipulated by AST-related functions.
+ #
+ # Each loose token is attached to the non-loose token that precedes or follows it.
+ # The rules are the following:
+ #
+ # * tokens that follow a non-loose token on a same line are attached to it.
+ # See `next_looses`.
+ # * other tokens, thus that precede a non-loose token on the same line or the next one,
+ # are attached to this one. See `prev_looses`.
+ #
+ # Loose tokens are mostly end of lines (`TEol`) and comments (`TComment`).
+ # Whitespace are ignored by the lexer, so they are not even considered as loose tokens.
+ # See `blank_before` to get the whitespace that separate tokens.
+ var is_loose = false
+
+ # Loose tokens that precede `self`.
+ #
+ # These tokens start the line or belong to a line with only loose tokens.
+ var prev_looses = new Array[Token] is lazy
+
+ # Loose tokens that follow `self`
+ #
+ # These tokens are on the same line than `self`.
+ var next_looses = new Array[Token] is lazy
+
+ # The verbatim blank text between `prev_token` and `self`
+ fun blank_before: String
+ do
+ if prev_token == null then return ""
+ var from = prev_token.location.pend+1
+ var to = location.pstart
+ return location.file.string.substring(from,to-from)
+ end
+
redef fun to_s: String do
return "'{text}'"
end
redef fun replace_child(old_child: ANode, new_child: nullable ANode) do end
end
+redef class SourceFile
+ # The first token parser by the lexer
+ # May have disappeared in the final AST
+ var first_token: nullable Token = null
+
+ # The first token parser by the lexer
+ # May have disappeared in the final AST
+ var last_token: nullable Token = null
+end
+
# Ancestor of all productions
# A production is a node without text but that usually has children.
abstract class Prod
super ANode
- fun location=(l: Location) do _location = l
-
# All the annotations attached directly to the node
- readable var _n_annotations: nullable AAnnotations = null
+ var n_annotations: nullable AAnnotations = null is writable
+
+ # Return all its annotations of a given name in the order of their declaration
+ # Retun an empty array if no such an annotation.
+ fun get_annotations(name: String): Array[AAnnotation]
+ do
+ var res = new Array[AAnnotation]
+ var nas = n_annotations
+ if nas != null then for na in nas.n_items do
+ if na.name != name then continue
+ res.add(na)
+ end
+ if self isa AClassdef then for na in n_propdefs do
+ if na isa AAnnotPropdef then
+ if na.name != name then continue
+ res.add na
+ end
+ end
+
+ return res
+ end
redef fun replace_with(n: ANode)
do
super
assert n isa Prod
- n.location = location
+ if not isset n._location and isset _location then n._location = _location
end
end
end
# The current visited node
- readable var _current_node: nullable ANode = null
+ var current_node: nullable ANode = null is writable
end
# Token of end of line (basically `\n`)
return "keyword '{text}'"
end
end
+
+# The deprecated keyword `package`.
+class TKwpackage
+ super TokenKeyword
+end
+
+# The keyword `module`
class TKwmodule
super TokenKeyword
end
+
+# The keyword `import`
class TKwimport
super TokenKeyword
end
+
+# The keyword `class`
class TKwclass
super TokenKeyword
end
+
+# The keyword `abstract`
class TKwabstract
super TokenKeyword
end
+
+# The keyword `interface`
class TKwinterface
super TokenKeyword
end
+
+# The keywords `enum` ane `universal`
class TKwenum
super TokenKeyword
end
+
+# The keyword `end`
class TKwend
super TokenKeyword
end
+
+# The keyword `fun`
class TKwmeth
super TokenKeyword
end
+
+# The keyword `type`
class TKwtype
super TokenKeyword
end
+
+# The keyword `init`
class TKwinit
super TokenKeyword
end
+
+# The keyword `redef`
class TKwredef
super TokenKeyword
end
+
+# The keyword `is`
class TKwis
super TokenKeyword
end
+
+# The keyword `do`
class TKwdo
super TokenKeyword
end
-class TKwreadable
- super TokenKeyword
-end
-class TKwwritable
- super TokenKeyword
-end
+
+# The keyword `var`
class TKwvar
super TokenKeyword
end
-class TKwintern
+
+# The keyword `extern`
+class TKwextern
super TokenKeyword
end
-class TKwextern
+
+# The keyword `public`
+class TKwpublic
super TokenKeyword
end
+
+# The keyword `protected`
class TKwprotected
super TokenKeyword
end
+
+# The keyword `private`
class TKwprivate
super TokenKeyword
end
+
+# The keyword `intrude`
class TKwintrude
super TokenKeyword
end
+
+# The keyword `if`
class TKwif
super TokenKeyword
end
+
+# The keyword `then`
class TKwthen
super TokenKeyword
end
+
+# The keyword `else`
class TKwelse
super TokenKeyword
end
+
+# The keyword `while`
class TKwwhile
super TokenKeyword
end
+
+# The keyword `loop`
class TKwloop
super TokenKeyword
end
+
+# The keyword `for`
class TKwfor
super TokenKeyword
end
+
+# The keyword `in`
class TKwin
super TokenKeyword
end
+
+# The keyword `and`
class TKwand
super TokenKeyword
end
+
+# The keyword `or`
class TKwor
super TokenKeyword
end
+
+# The keyword `implies`
+class TKwimplies
+ super TokenKeyword
+end
+
+# The keyword `not`
class TKwnot
super TokenKeyword
end
+
+# The keyword `return`
class TKwreturn
super TokenKeyword
end
+
+# The keyword `continue`
class TKwcontinue
super TokenKeyword
end
+
+# The keyword `break`
class TKwbreak
super TokenKeyword
end
+
+# The keyword `abort`
class TKwabort
super TokenKeyword
end
+
+# The keyword `assert`
class TKwassert
super TokenKeyword
end
+
+# The keyword `new`
class TKwnew
super TokenKeyword
end
+
+# The keyword `isa`
class TKwisa
super TokenKeyword
end
+
+# The keyword `once`
class TKwonce
super TokenKeyword
end
+
+# The keyword `super`
class TKwsuper
super TokenKeyword
end
+
+# The keyword `self`
class TKwself
super TokenKeyword
end
+
+# The keyword `true`
class TKwtrue
super TokenKeyword
end
+
+# The keyword `false`
class TKwfalse
super TokenKeyword
end
+
+# The keyword `null`
class TKwnull
super TokenKeyword
end
+
+# The keyword `as`
class TKwas
super TokenKeyword
end
+
+# The keyword `nullable`
class TKwnullable
super TokenKeyword
end
+
+# The keyword `isset`
class TKwisset
super TokenKeyword
end
+
+# The keyword `label`
class TKwlabel
super TokenKeyword
end
+
+# The keyword `with`
+class TKwwith
+ super TokenKeyword
+end
+
+# The special keyword `__DEBUG__`
class TKwdebug
super Token
end
+
+# The symbol `(`
class TOpar
super Token
end
+
+# The symbol `)`
class TCpar
super Token
end
+
+# The symbol `[`
class TObra
super Token
end
+
+# The symbol `]`
class TCbra
super Token
end
+
+# The symbol `,`
class TComma
super Token
end
+
+# The symbol `:`
class TColumn
super Token
end
+
+# The symbol `::`
class TQuad
super Token
end
+
+# The symbol `=`
class TAssign
super Token
end
return "operator '{text}'"
end
end
+
+# The operator `+=`
class TPluseq
super TokenOperator
end
+
+# The operator `-=`
class TMinuseq
super TokenOperator
end
-class TDotdotdot
+
+# The operator `*=`
+class TStareq
super TokenOperator
end
-class TDotdot
+
+# The operator `/=`
+class TSlasheq
super TokenOperator
end
-class TDot
+
+# The operator `%=`
+class TPercenteq
+ super TokenOperator
+end
+
+# The operator `**=`
+class TStarstareq
+ super TokenOperator
+end
+
+# The operator `|=`
+class TPipeeq
+ super TokenOperator
+end
+
+# The operator `^=`
+class TCareteq
+ super TokenOperator
+end
+
+# The operator `&=`
+class TAmpeq
+ super TokenOperator
+end
+
+# The operator `<<=`
+class TLleq
+ super TokenOperator
+end
+
+# The operator `>>=`
+class TGgeq
super TokenOperator
end
+
+# The symbol `...`
+class TDotdotdot
+ super Token
+end
+
+# The symbol `..`
+class TDotdot
+ super Token
+end
+
+# The symbol `.`
+class TDot
+ super Token
+end
+
+# The operator `+`
class TPlus
super TokenOperator
end
+
+# The operator `-`
class TMinus
super TokenOperator
end
+
+# The operator `*`
class TStar
super TokenOperator
end
+
+# The operator `**`
+class TStarstar
+ super TokenOperator
+end
+
+# The operator `/`
class TSlash
super TokenOperator
end
+
+# The operator `%`
class TPercent
super TokenOperator
end
+
+# The operator `|`
+class TPipe
+ super TokenOperator
+end
+
+# The operator `^`
+class TCaret
+ super TokenOperator
+end
+
+# The operator `&`
+class TAmp
+ super TokenOperator
+end
+
+# The operator `~`
+class TTilde
+ super TokenOperator
+end
+
+# The operator `==`
class TEq
super TokenOperator
end
+
+# The operator `!=`
class TNe
super TokenOperator
end
+
+# The operator `<`
class TLt
super TokenOperator
end
+
+# The operator `<=`
class TLe
super TokenOperator
end
+
+# The operator `<<`
class TLl
super TokenOperator
end
+
+# The operator `>`
class TGt
super TokenOperator
end
+
+# The operator `>=`
class TGe
super TokenOperator
end
+
+# The operator `>>`
class TGg
super TokenOperator
end
+
+# The operator `<=>`
class TStarship
super TokenOperator
end
+
+# The operator `!`
class TBang
super TokenOperator
end
+
+# The symbol `@`
class TAt
super Token
end
+# The symbol `;`
+class TSemi
+ super Token
+end
+
# A class (or formal type) identifier. They start with an uppercase.
class TClassid
super Token
end
end
-# A standard identifier (variable, method...). They start with a lowercase.
+# A standard identifier (variable, method...). They start with a lowercase.
class TId
super Token
redef fun to_s
do return "literal value '{text}'"
end
end
-class TNumber
+
+# A literal integer
+class TInteger
super TokenLiteral
end
+
+# A literal floating point number
class TFloat
super TokenLiteral
end
+
+# A literal character
class TChar
super TokenLiteral
end
+
+# A literal string
class TString
super TokenLiteral
end
+
+# The starting part of a super string (between `"` and `{`)
class TStartString
super TokenLiteral
end
+
+# The middle part of a super string (between `}` and `{`)
class TMidString
super TokenLiteral
end
+
+# The final part of a super string (between `}` and `"`)
class TEndString
- super Token
+ super TokenLiteral
end
# A malformed string
end
end
+# A extern code block
class TExternCodeSegment
super Token
end
class AError
super EOF
end
+# A lexical error (unexpected character)
class ALexerError
super AError
end
+# A syntactic error (unexpected token)
class AParserError
super AError
end
class AModule
super Prod
- readable var _n_moduledecl: nullable AModuledecl = null
- readable var _n_imports: List[AImport] = new List[AImport]
- readable var _n_extern_code_blocks: List[AExternCodeBlock] = new List[AExternCodeBlock]
- readable var _n_classdefs: List[AClassdef] = new List[AClassdef]
+ # The declaration part of the module
+ var n_moduledecl: nullable AModuledecl = null is writable
+
+ # List of importation clauses
+ var n_imports = new ANodes[AImport](self)
+
+ # List of extern blocks
+ var n_extern_code_blocks = new ANodes[AExternCodeBlock](self)
+
+ # List of class definition (including top-level methods and the main)
+ var n_classdefs = new ANodes[AClassdef](self)
+end
+
+# Abstract class for definition of entities
+abstract class ADefinition
+ super Prod
+ # The documentation
+ var n_doc: nullable ADoc = null is writable
+
+ # The `redef` keyword
+ var n_kwredef: nullable TKwredef = null is writable
+
+ # The declared visibility
+ var n_visibility: nullable AVisibility = null is writable
end
# The declaration of the module with the documentation, name, and annotations
class AModuledecl
- super Prod
- readable var _n_doc: nullable ADoc = null
- readable var _n_kwmodule: TKwmodule
- readable var _n_name: AModuleName
+ super ADefinition
+
+ # The `module` keyword
+ var n_kwmodule: TKwmodule is writable, noinit
+
+ # The declared module name
+ var n_name: AModuleName is writable, noinit
end
# A import clause of a module
abstract class AImport
super Prod
+
+ # The declared visibility
+ var n_visibility: AVisibility is writable, noinit
+
+ # The `import` keyword
+ var n_kwimport: TKwimport is writable, noinit
end
# A standard import clause. eg `import x`
class AStdImport
super AImport
- readable var _n_visibility: AVisibility
- readable var _n_kwimport: TKwimport
- readable var _n_name: AModuleName
+ # The imported module name
+ var n_name: AModuleName is writable, noinit
end
# The special import clause of the kernel module. eg `import end`
class ANoImport
super AImport
- readable var _n_visibility: AVisibility
- readable var _n_kwimport: TKwimport
- readable var _n_kwend: TKwend
+ # The `end` keyword, that indicate the root module
+ var n_kwend: TKwend is writable, noinit
end
# A visibility modifier
abstract class AVisibility
super Prod
end
+
+# An implicit or explicit public visibility modifier
class APublicVisibility
super AVisibility
+ # The `public` keyword, if any
+ var n_kwpublic: nullable TKwpublic is writable
end
+# An explicit private visibility modifier
class APrivateVisibility
super AVisibility
- readable var _n_kwprivate: TKwprivate
+ # The `private` keyword
+ var n_kwprivate: TKwprivate is writable, noinit
end
+# An explicit protected visibility modifier
class AProtectedVisibility
super AVisibility
- readable var _n_kwprotected: TKwprotected
+ # The `protected` keyword
+ var n_kwprotected: TKwprotected is writable, noinit
end
+# An explicit intrude visibility modifier
class AIntrudeVisibility
super AVisibility
- readable var _n_kwintrude: TKwintrude
+ # The `intrude` keyword
+ var n_kwintrude: TKwintrude is writable, noinit
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: List[APropdef] = new List[APropdef]
+abstract class AClassdef
+ super Prod
+ # All the declared properties (including the main method)
+ var n_propdefs = new ANodes[APropdef](self)
end
# A standard class definition with a name, superclasses and properties
class AStdClassdef
super AClassdef
- readable var _n_doc: nullable ADoc = null
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_classkind: AClasskind
- readable var _n_id: nullable TClassid = null
- readable var _n_formaldefs: List[AFormaldef] = new List[AFormaldef]
- readable var _n_extern_code_block: nullable AExternCodeBlock = null
- readable var _n_superclasses: List[ASuperclass] = new List[ASuperclass]
- readable var _n_kwend: TKwend
+ super ADefinition
+
+ # The class kind (interface, abstract class, etc.)
+ var n_classkind: AClasskind is writable, noinit
+
+ # The name of the class
+ var n_id: nullable TClassid = null is writable
+
+ # The `[` symbol
+ var n_obra: nullable TObra = null is writable
+
+ # The list of formal parameter types
+ var n_formaldefs = new ANodes[AFormaldef](self)
+
+ # The `]` symbol
+ var n_cbra: nullable TCbra = null is writable
+
+ # The extern block code
+ var n_extern_code_block: nullable AExternCodeBlock = null is writable
+
+ # The `end` keyword
+ var n_kwend: TKwend is writable, noinit
+
+ fun n_superclasses: Array[ASuperPropdef] do
+ return [for d in n_propdefs do if d isa ASuperPropdef then d]
+ end
+
redef fun hot_location do return n_id.location
end
abstract class AClasskind
super Prod
end
+
+# A default, or concrete class modifier (just `class`)
class AConcreteClasskind
super AClasskind
- readable var _n_kwclass: TKwclass
+
+ # The `class` keyword.
+ var n_kwclass: TKwclass is writable, noinit
end
+
+# An abstract class modifier (`abstract class`)
class AAbstractClasskind
super AClasskind
- readable var _n_kwabstract: TKwabstract
- readable var _n_kwclass: TKwclass
+
+ # The `abstract` keyword.
+ var n_kwabstract: TKwabstract is writable, noinit
+
+ # The `class` keyword.
+ var n_kwclass: TKwclass is writable, noinit
end
+
+# An interface class modifier (`interface`)
class AInterfaceClasskind
super AClasskind
- readable var _n_kwinterface: TKwinterface
+
+ # The `interface` keyword.
+ var n_kwinterface: TKwinterface is writable, noinit
end
+
+# An enum/universal class modifier (`enum class`)
class AEnumClasskind
super AClasskind
- readable var _n_kwenum: TKwenum
+
+ # The `enum` keyword.
+ var n_kwenum: TKwenum is writable, noinit
end
+
+# An extern class modifier (`extern class`)
class AExternClasskind
super AClasskind
- readable var _n_kwextern: TKwextern
- readable var _n_kwclass: nullable TKwclass = null
+
+ # The `extern` keyword.
+ var n_kwextern: TKwextern is writable, noinit
+
+ # The `class` keyword.
+ var n_kwclass: nullable TKwclass = null is writable
end
# The definition of a formal generic parameter type. eg `X: Y`
class AFormaldef
super Prod
- readable var _n_id: TClassid
- # The bound of the parameter type
- readable var _n_type: nullable AType = null
-end
-# A super-class. eg `super X`
-class ASuperclass
- super Prod
- readable var _n_kwsuper: TKwsuper
- readable var _n_type: AType
+ # The name of the parameter type
+ var n_id: TClassid is writable, noinit
+
+ # The bound of the parameter type
+ var n_type: nullable AType = null is writable
end
# The definition of a property
abstract class APropdef
- super Prod
- readable var _n_doc: nullable ADoc = null
+ super ADefinition
end
# A definition of an attribute
# For historical reason, old-syle and new-style attributes use the same `ANode` sub-class
class AAttrPropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_kwvar: TKwvar
- # The identifier for an old-style attribute (null if new-style)
- readable var _n_id: nullable TAttrid
+ # The `var` keyword
+ var n_kwvar: TKwvar is writable, noinit
- # The identifier for a new-style attribute (null if old-style)
- readable var _n_id2: nullable TId
+ # The identifier for a new-style attribute
+ var n_id2: TId is writable, noinit
- readable var _n_type: nullable AType = null
- readable var _n_readable: nullable AAble = null
- readable var _n_writable: nullable AAble = null
+ # The declared type of the attribute
+ var n_type: nullable AType = null is writable
+
+ # The `=` symbol
+ var n_assign: nullable TAssign = null is writable
+
+ # The initial value, if any (set with `=`)
+ var n_expr: nullable AExpr = null is writable
+
+ # The `do` keyword
+ var n_kwdo: nullable TKwdo = null is writable
+
+ # The initial value, if any (set with `do return`)
+ var n_block: nullable AExpr = null is writable
+
+ # The `end` keyword
+ var n_kwend: nullable TKwend = null is writable
- # The initial value, if any
- readable 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
+ return n_id2.location
end
end
# A definition of all kind of method (including constructors)
-abstract class AMethPropdef
+class AMethPropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: nullable AVisibility
- readable var _n_methid: nullable AMethid = null
- readable var _n_signature: nullable ASignature
+
+ # The `fun` keyword, if any
+ var n_kwmeth: nullable TKwmeth = null is writable
+
+ # The `init` keyword, if any
+ var n_kwinit: nullable TKwinit = null is writable
+
+ # The `new` keyword, if any
+ var n_kwnew: nullable TKwnew = null is writable
+
+ # The name of the method, if any
+ var n_methid: nullable AMethid = null is writable
+
+ # The signature of the method, if any
+ var n_signature: nullable ASignature = null is writable
+
+ # The `do` keyword
+ var n_kwdo: nullable TKwdo = null is writable
+
+ # The body (in Nit) of the method, if any
+ var n_block: nullable AExpr = null is writable
+
+ # The `end` keyword
+ var n_kwend: nullable TKwend = null is writable
+
+ # The list of declared callbacks (for extern methods)
+ var n_extern_calls: nullable AExternCalls = null is writable
+
+ # The body (in extern code) of the method, if any
+ var n_extern_code_block: nullable AExternCodeBlock = null is writable
+
redef fun hot_location
do
if n_methid != null then
return n_methid.location
+ else if n_kwinit != null then
+ return n_kwinit.location
+ else if n_kwnew != null then
+ return n_kwnew.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
- super AMethPropdef
- readable var _n_kwmeth: TKwmeth
-end
-
-# A method marked intern
-class AInternMethPropdef
- super AMethPropdef
- readable var _n_kwmeth: TKwmeth
-end
-
-# A method of a constructor marked extern
-abstract class AExternPropdef
+# The implicit main method
+class AMainMethPropdef
super AMethPropdef
- readable var _n_extern: nullable TString = null
- readable var _n_extern_calls: nullable AExternCalls = null
- readable var _n_extern_code_block: nullable AExternCodeBlock = null
end
-# A method marked extern
-class AExternMethPropdef
- super AExternPropdef
- readable var _n_kwmeth: TKwmeth
-end
-
-# A method with a body
-class AConcreteMethPropdef
- super AMethPropdef
- readable var _n_kwmeth: nullable TKwmeth
- readable var _n_block: nullable AExpr = null
+class AAnnotPropdef
+ super APropdef
+ super AAnnotation
end
-# A constructor
-abstract class AInitPropdef
- super AMethPropdef
-end
+# A super-class. eg `super X`
+class ASuperPropdef
+ super APropdef
-# A constructor with a body
-class AConcreteInitPropdef
- super AConcreteMethPropdef
- super AInitPropdef
- readable var _n_kwinit: TKwinit
- redef fun hot_location do return n_kwinit.location
-end
+ # The super keyword
+ var n_kwsuper: TKwsuper is writable, noinit
-# A constructor marked extern (defined with the `new` keyword)
-class AExternInitPropdef
- super AExternPropdef
- super AInitPropdef
- readable var _n_kwnew: TKwnew
+ # The super-class (indicated as a type)
+ var n_type: AType is writable, noinit
end
-# The implicit main method
-class AMainMethPropdef
- super AConcreteMethPropdef
-end
# Declaration of callbacks for extern methods
class AExternCalls
super Prod
- readable var _n_kwimport: TKwimport
- readable var _n_extern_calls: List[AExternCall] = new List[AExternCall]
+
+ # The `import` keyword
+ var n_kwimport: TKwimport is writable, noinit
+
+ # The list of declared callbacks
+ var n_extern_calls: ANodes[AExternCall] = new ANodes[AExternCall](self)
end
+
+# A single callback declaration
abstract class AExternCall
super Prod
end
+
+# A single callback declaration on a method
abstract class APropExternCall
super AExternCall
end
+
+# A single callback declaration on a method on the current receiver
class ALocalPropExternCall
super APropExternCall
- readable var _n_methid: AMethid
+
+ # The name of the called-back method
+ var n_methid: AMethid is writable, noinit
end
+
+# A single callback declaration on a method on an explicit receiver type.
class AFullPropExternCall
super APropExternCall
- readable var _n_classid: TClassid
- readable var _n_quad: nullable TQuad = null
- readable var _n_methid: AMethid
+
+ # The type of the receiver of the called-back method
+ var n_type: AType is writable, noinit
+
+ # The dot `.`
+ var n_dot: nullable TDot = null is writable
+
+ # The name of the called-back method
+ var n_methid: AMethid is writable, noinit
end
+
+# A single callback declaration on a method on a constructor
class AInitPropExternCall
super APropExternCall
- readable var _n_classid: TClassid
+
+ # The allocated type
+ var n_type: AType is writable, noinit
end
+
+# A single callback declaration on a `super` call
class ASuperExternCall
super AExternCall
- readable var _n_kwsuper: TKwsuper
+
+ # The `super` keyword
+ var n_kwsuper: TKwsuper is writable, noinit
end
+
+# A single callback declaration on a cast
abstract class ACastExternCall
super AExternCall
end
+
+# A single callback declaration on a cast to a given type
class ACastAsExternCall
super ACastExternCall
- readable var _n_from_type: AType
- readable var _n_kwas: TKwas
- readable var _n_to_type: AType
+
+ # The origin type of the cast
+ var n_from_type: AType is writable, noinit
+
+ # The dot (`.`)
+ var n_dot: nullable TDot = null is writable
+
+ # The `as` keyword
+ var n_kwas: TKwas is writable, noinit
+
+ # The destination of the cast
+ var n_to_type: AType is writable, noinit
end
+
+# A single callback declaration on a cast to a nullable type
class AAsNullableExternCall
super ACastExternCall
- readable var _n_type: AType
- readable var _n_kwas: TKwas
- readable var _n_kwnullable: TKwnullable
+
+ # The origin type to cast as nullable
+ var n_type: AType is writable, noinit
+
+ # The `as` keyword
+ var n_kwas: TKwas is writable, noinit
+
+ # The `nullable` keyword
+ var n_kwnullable: TKwnullable is writable, noinit
end
+
+# A single callback declaration on a cast to a non-nullable type
class AAsNotNullableExternCall
super ACastExternCall
- readable var _n_type: AType
- readable var _n_kwas: TKwas
- readable var _n_kwnot: TKwnot
- readable var _n_kwnullable: TKwnullable
+
+ # The destination type on a cast to not nullable
+ var n_type: AType is writable, noinit
+
+ # The `as` keyword.
+ var n_kwas: TKwas is writable, noinit
+
+ # The `not` keyword
+ var n_kwnot: TKwnot is writable, noinit
+
+ # The `nullable` keyword
+ var n_kwnullable: TKwnullable is writable, noinit
end
# A definition of a virtual type
class ATypePropdef
super APropdef
- readable var _n_kwredef: nullable TKwredef = null
- readable var _n_visibility: AVisibility
- readable var _n_kwtype: TKwtype
- readable var _n_id: TClassid
- readable var _n_type: AType
-end
-# A `writable` or `readable` modifier
-abstract class AAble
- super Prod
- readable var _n_visibility: nullable AVisibility = null
- readable var _n_kwredef: nullable TKwredef = null
-end
+ # The `type` keyword
+ var n_kwtype: TKwtype is writable, noinit
-# A `readable` modifier
-class AReadAble
- super AAble
- readable var _n_kwreadable: TKwreadable
-end
+ # The name of the virtual type
+ var n_id: TClassid is writable, noinit
-# A `writable` modifier
-class AWriteAble
- super AAble
- readable var _n_kwwritable: TKwwritable
+ # The bound of the virtual type
+ var n_type: AType is writable, noinit
end
# The identifier of a method in a method declaration.
abstract class AMethid
super Prod
end
+
+# A method name with a simple identifier
class AIdMethid
super AMethid
- readable var _n_id: TId
+
+ # The simple identifier
+ var n_id: TId is writable, noinit
end
-class APlusMethid
+
+# A method name for an operator
+class AOperatorMethid
super AMethid
- readable var _n_plus: TPlus
+
+ # The associated operator symbol
+ var n_op: Token is writable, noinit
+end
+# A method name `+`
+class APlusMethid
+ super AOperatorMethid
end
+
+# A method name `-`
class AMinusMethid
- super AMethid
- readable var _n_minus: TMinus
+ super AOperatorMethid
end
+
+# A method name `*`
class AStarMethid
- super AMethid
- readable var _n_star: TStar
+ super AOperatorMethid
end
+
+# A method name `**`
+class AStarstarMethid
+ super AOperatorMethid
+end
+
+# A method name `/`
class ASlashMethid
- super AMethid
- readable var _n_slash: TSlash
+ super AOperatorMethid
end
+
+# A method name `%`
class APercentMethid
- super AMethid
- readable var _n_percent: TPercent
+ super AOperatorMethid
+end
+
+# A method name `|`
+class APipeMethid
+ super AOperatorMethid
end
+
+# A method name `^`
+class ACaretMethid
+ super AOperatorMethid
+end
+
+# A method name `&`
+class AAmpMethid
+ super AOperatorMethid
+end
+
+# A method name `~`
+class ATildeMethid
+ super AOperatorMethid
+end
+
+# A method name `==`
class AEqMethid
- super AMethid
- readable var _n_eq: TEq
+ super AOperatorMethid
end
+
+# A method name `!=`
class ANeMethid
- super AMethid
- readable var _n_ne: TNe
+ super AOperatorMethid
end
+
+# A method name `<=`
class ALeMethid
- super AMethid
- readable var _n_le: TLe
+ super AOperatorMethid
end
+
+# A method name `>=`
class AGeMethid
- super AMethid
- readable var _n_ge: TGe
+ super AOperatorMethid
end
+
+# A method name `<`
class ALtMethid
- super AMethid
- readable var _n_lt: TLt
+ super AOperatorMethid
end
+
+# A method name `>`
class AGtMethid
- super AMethid
- readable var _n_gt: TGt
+ super AOperatorMethid
end
+
+# A method name `<<`
class ALlMethid
- super AMethid
- readable writable var _n_ll: TLl
+ super AOperatorMethid
end
+
+# A method name `>>`
class AGgMethid
- super AMethid
- readable writable var _n_gg: TGg
-end
-class ABraMethid
- super AMethid
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
+ super AOperatorMethid
end
+
+# A method name `<=>`
class AStarshipMethid
+ super AOperatorMethid
+end
+
+# A method name `[]`
+class ABraMethid
super AMethid
- readable var _n_starship: TStarship
+
+ # The `[` symbol
+ var n_obra: TObra is writable, noinit
+
+ # The `]` symbol
+ var n_cbra: TCbra is writable, noinit
end
+
+# A setter method name with a simple identifier (with a `=`)
class AAssignMethid
super AMethid
- readable var _n_id: TId
- readable var _n_assign: TAssign
+
+ # The base identifier
+ var n_id: TId is writable, noinit
+
+ # The `=` symbol
+ var n_assign: TAssign is writable, noinit
end
+
+# A method name `[]=`
class ABraassignMethid
super AMethid
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
- readable var _n_assign: TAssign
+
+ # The `[` symbol
+ var n_obra: TObra is writable, noinit
+
+ # The `]` symbol
+ var n_cbra: TCbra is writable, noinit
+
+ # The `=` symbol
+ var n_assign: TAssign is writable, noinit
+end
+
+# A potentially qualified simple identifier `foo::bar::baz`
+class AQid
+ super Prod
+ # The qualifier, if any
+ var n_qualified: nullable AQualified = null is writable
+
+ # The final identifier
+ var n_id: TId is writable, noinit
end
# A signature in a method definition. eg `(x,y:X,z:Z):T`
class ASignature
super Prod
- readable var _n_opar: nullable TOpar = null
- readable var _n_params: List[AParam] = new List[AParam]
- readable var _n_cpar: nullable TCpar = null
- readable var _n_type: nullable AType = null
- readable var _n_closure_decls: List[AClosureDecl] = new List[AClosureDecl]
+
+ # The `(` symbol
+ var n_opar: nullable TOpar = null is writable
+
+ # The list of parameters
+ var n_params = new ANodes[AParam](self)
+
+ # The `)` symbol
+ var n_cpar: nullable TCpar = null is writable
+
+ # The return type
+ var n_type: nullable AType = null is writable
end
# A parameter definition in a signature. eg `x:X`
class AParam
super Prod
- readable var _n_id: TId
- readable var _n_type: nullable AType = null
- readable var _n_dotdotdot: nullable TDotdotdot = null
-end
-class AClosureDecl
- super Prod
- readable var _n_kwbreak: nullable TKwbreak = null
- readable var _n_bang: TBang
- readable var _n_id: TId
- readable var _n_signature: ASignature
- readable var _n_expr: nullable AExpr = null
+ # The name of the parameter
+ var n_id: TId is writable, noinit
+
+ # The type of the parameter, if any
+ var n_type: nullable AType = null is writable
+
+ # The `...` symbol to indicate varargs
+ var n_dotdotdot: nullable TDotdotdot = null is writable
end
# A static type. eg `nullable X[Y]`
class AType
super Prod
- readable var _n_kwnullable: nullable TKwnullable = null
+ # The `nullable` keyword
+ var n_kwnullable: nullable TKwnullable = null is writable
# The name of the class or of the formal type
- readable var _n_id: TClassid
+ var n_id: TClassid is writable, noinit
+
+ # The opening bracket
+ var n_obra: nullable TObra = null is writable
# Type arguments for a generic type
- readable var _n_types: List[AType] = new List[AType]
+ var n_types = new ANodes[AType](self)
+
+ # The closing bracket
+ var n_cbra: nullable TCbra = null is writable
end
# A label at the end of a block or in a break/continue statement. eg `label x`
class ALabel
super Prod
- readable var _n_kwlabel: TKwlabel
- readable var _n_id: TId
+
+ # The `label` keyword
+ var n_kwlabel: TKwlabel is writable, noinit
+
+ # The name of the label, if any
+ var n_id: nullable TId is writable, noinit
end
# Expression and statements
super Prod
end
-# A sequence of AExpr (usually statements)
-# The last AExpr gives the value of the whole block
+# A sequence of `AExpr` (usually statements)
+# The last `AExpr` gives the value of the whole block
class ABlockExpr
super AExpr
- readable var _n_expr: List[AExpr] = new List[AExpr]
- readable var _n_kwend: nullable TKwend = null
+
+ # The list of statements in the bloc.
+ # The last element is often considered as an expression that give the value of the whole block.
+ var n_expr = new ANodes[AExpr](self)
+
+ # The `end` keyword
+ var n_kwend: nullable TKwend = null is writable
end
# A declaration of a local variable. eg `var x: X = y`
class AVardeclExpr
super AExpr
- readable var _n_kwvar: TKwvar
- readable var _n_id: TId
- readable var _n_type: nullable AType = null
- readable var _n_assign: nullable TAssign = null
+
+ # The `var` keyword
+ var n_kwvar: nullable TKwvar = null is writable
+
+ # The name of the local variable
+ var n_id: TId is writable, noinit
+
+ # The declaration type of the local variable
+ var n_type: nullable AType = null is writable
+
+ # The `=` symbol (for the initial value)
+ var n_assign: nullable TAssign = null is writable
# The initial value, if any
- readable var _n_expr: nullable AExpr = null
+ var n_expr: nullable AExpr = null is writable
end
# A `return` statement. eg `return x`
class AReturnExpr
super AExpr
- readable var _n_kwreturn: nullable TKwreturn = null
- readable var _n_expr: nullable AExpr = null
+
+ # The `return` keyword
+ var n_kwreturn: nullable TKwreturn = null is writable
+
+ # The return value, if any
+ var n_expr: nullable AExpr = null is writable
end
# Something that has a label.
abstract class ALabelable
super Prod
- readable var _n_label: nullable ALabel = null
+
+ # The associated label declatation
+ var n_label: nullable ALabel = null is writable
end
-# A `break` statement.
-class ABreakExpr
+# A `break` or a `continue`
+abstract class AEscapeExpr
super AExpr
super ALabelable
- readable var _n_kwbreak: TKwbreak
- readable var _n_expr: nullable AExpr = null
+
+ # The return value, if nay (unused currently)
+ var n_expr: nullable AExpr = null is writable
+end
+
+# A `break` statement.
+class ABreakExpr
+ super AEscapeExpr
+
+ # The `break` keyword
+ var n_kwbreak: TKwbreak is writable, noinit
end
# An `abort` statement
class AAbortExpr
super AExpr
- readable var _n_kwabort: TKwabort
+
+ # The `abort` keyword
+ var n_kwabort: TKwabort is writable, noinit
end
# A `continue` statement
class AContinueExpr
- super AExpr
- super ALabelable
- readable var _n_kwcontinue: nullable TKwcontinue = null
- readable var _n_expr: nullable AExpr = null
+ super AEscapeExpr
+
+ # The `continue` keyword.
+ var n_kwcontinue: nullable TKwcontinue = null is writable
end
# A `do` statement
class ADoExpr
super AExpr
super ALabelable
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+
+ # The `do` keyword
+ var n_kwdo: TKwdo is writable, noinit
+
+ # The list of statements of the `do`.
+ var n_block: nullable AExpr = null is writable
end
# A `if` statement
class AIfExpr
super AExpr
- readable var _n_kwif: TKwif
- readable var _n_expr: AExpr
- readable var _n_then: nullable AExpr = null
- readable var _n_else: nullable AExpr = null
+
+ # The `if` keyword
+ var n_kwif: TKwif is writable, noinit
+
+ # The expression used as the condition of the `if`
+ var n_expr: AExpr is writable, noinit
+
+ # The `then` keyword
+ var n_kwthen: TKwthen is writable, noinit
+
+ # The body of the `then` part
+ var n_then: nullable AExpr = null is writable
+
+ # The `else` keyword
+ var n_kwelse: nullable TKwelse = null is writable
+
+ # The body of the `else` part
+ var n_else: nullable AExpr = null is writable
end
-# A `if` expression
+# A `if` expression (ternary conditional). eg. `if true then 1 else 0`
class AIfexprExpr
super AExpr
- readable var _n_kwif: TKwif
- readable var _n_expr: AExpr
- readable var _n_kwthen: TKwthen
- readable var _n_then: AExpr
- readable var _n_kwelse: TKwelse
- readable var _n_else: AExpr
+
+ # The `if` keyword
+ var n_kwif: TKwif is writable, noinit
+
+ # The expression used as the condition of the `if`
+ var n_expr: AExpr is writable, noinit
+
+ # The `then` keyword
+ var n_kwthen: TKwthen is writable, noinit
+
+ # The expression in the `then` part
+ var n_then: AExpr is writable, noinit
+
+ # The `else` keyword
+ var n_kwelse: TKwelse is writable, noinit
+
+ # The expression in the `else` part
+ var n_else: AExpr is writable, noinit
end
# A `while` statement
class AWhileExpr
super AExpr
super ALabelable
- readable var _n_kwwhile: TKwwhile
- readable var _n_expr: AExpr
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+
+ # The `while` keyword
+ var n_kwwhile: TKwwhile is writable, noinit
+
+ # The expression used as the condition of the `while`
+ var n_expr: AExpr is writable, noinit
+
+ # The `do` keyword
+ var n_kwdo: TKwdo is writable, noinit
+
+ # The body of the loop
+ var n_block: nullable AExpr = null is writable
end
# A `loop` statement
class ALoopExpr
super AExpr
super ALabelable
- readable var _n_kwloop: TKwloop
- readable var _n_block: nullable AExpr = null
+
+ # The `loop` keyword
+ var n_kwloop: TKwloop is writable, noinit
+
+ # The body of the loop
+ var n_block: nullable AExpr = null is writable
end
# A `for` statement
class AForExpr
super AExpr
super ALabelable
- readable var _n_kwfor: TKwfor
- readable var _n_ids: List[TId] = new List[TId]
- readable var _n_expr: AExpr
- readable var _n_kwdo: TKwdo
- readable var _n_block: nullable AExpr = null
+
+ # The `for` keyword
+ var n_kwfor: TKwfor is writable, noinit
+
+ # The list of groups to iterate
+ var n_groups = new ANodes[AForGroup](self)
+
+ # The `do` keyword
+ var n_kwdo: TKwdo is writable, noinit
+
+ # The body of the loop
+ var n_block: nullable AExpr = null is writable
+end
+
+# A collection iterated by a for, its automatic variables and its implicit iterator.
+#
+# Standard `for` iterate on a single collection.
+# Multiple `for` can iterate on more than one collection at once.
+class AForGroup
+ super Prod
+
+ # The list of name of the automatic variables
+ var n_ids = new ANodes[TId](self)
+
+ # The `in` keyword
+ var n_kwin: TKwin is writable, noinit
+
+ # The expression used as the collection to iterate on
+ var n_expr: AExpr is writable, noinit
+end
+
+# A `with` statement
+class AWithExpr
+ super AExpr
+ super ALabelable
+
+ # The `with` keyword
+ var n_kwwith: TKwwith is writable, noinit
+
+ # The expression used to get the value to control
+ var n_expr: AExpr is writable, noinit
+
+ # The `do` keyword
+ var n_kwdo: TKwdo is writable, noinit
+
+ # The body of the loop
+ var n_block: nullable AExpr = null is writable
end
# An `assert` statement
class AAssertExpr
super AExpr
- readable var _n_kwassert: TKwassert
- readable var _n_id: nullable TId = null
- readable var _n_expr: AExpr
- readable var _n_else: nullable AExpr = null
+
+ # The `assert` keyword
+ var n_kwassert: TKwassert is writable, noinit
+
+ # The name of the assert, if any
+ var n_id: nullable TId = null is writable
+
+ # The expression used as the condition of the `assert`
+ var n_expr: AExpr is writable, noinit
+
+ # The `else` keyword
+ var n_kwelse: nullable TKwelse = null is writable
+
+ # The body to execute when the assert fails
+ var n_else: nullable AExpr = null is writable
end
# Whatever is a simple assignment. eg `= something`
abstract class AAssignFormExpr
super AExpr
- readable var _n_assign: TAssign
- readable var _n_value: AExpr
+
+ # The `=` symbol
+ var n_assign: TAssign is writable, noinit
+
+ # The right-value to assign.
+ var n_value: AExpr is writable, noinit
end
# Whatever is a combined assignment. eg `+= something`
abstract class AReassignFormExpr
super AExpr
- readable var _n_assign_op: AAssignOp
- readable var _n_value: AExpr
+
+ # The combined operator (eg. `+=`)
+ var n_assign_op: AAssignOp is writable, noinit
+
+ # The right-value to apply on the combined operator.
+ var n_value: AExpr is writable, noinit
end
# A `once` expression. eg `once x`
class AOnceExpr
- super AProxyExpr
- readable var _n_kwonce: TKwonce
+ super AExpr
+
+ # The `once` keyword
+ var n_kwonce: TKwonce is writable, noinit
+
+ # The expression to evaluate only one time
+ var n_expr: AExpr is writable, noinit
end
# A polymorphic invocation of a method
-# The form of the invocation (name, arguments, etc) are specific
+# The form of the invocation (name, arguments, etc.) are specific
abstract class ASendExpr
super AExpr
# The receiver of the method invocation
- readable var _n_expr: AExpr
- readable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
+ var n_expr: AExpr is writable, noinit
end
# A binary operation on a method
abstract class ABinopExpr
super ASendExpr
+
+ # The operator
+ var n_op: Token is writable, noinit
+
# The second operand of the operation
# Note: the receiver (`n_expr`) is the first operand
- readable var _n_expr2: AExpr
+ var n_expr2: AExpr is writable, noinit
+
+ # The name of the operator (eg '+')
+ fun operator: String is abstract
end
# Something that is boolean expression
super AExpr
end
-# A `or` expression
-class AOrExpr
+# Something that is binary boolean expression
+abstract class ABinBoolExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+
+ # The first boolean operand
+ var n_expr: AExpr is writable, noinit
+
+ # The operator
+ var n_op: Token is writable, noinit
+
+ # The second boolean operand
+ var n_expr2: AExpr is writable, noinit
+end
+
+# A `or` expression
+class AOrExpr
+ super ABinBoolExpr
end
# A `and` expression
class AAndExpr
- super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ super ABinBoolExpr
end
# A `or else` expression
class AOrElseExpr
- super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+ super ABinBoolExpr
+
+ # The `else` keyword
+ var n_kwelse: TKwelse is writable, noinit
+end
+
+# A `implies` expression
+class AImpliesExpr
+ super ABinBoolExpr
end
# A `not` expression
class ANotExpr
super ABoolExpr
- readable var _n_kwnot: TKwnot
- readable var _n_expr: AExpr
+
+ # The `not` keyword
+ var n_kwnot: TKwnot is writable, noinit
+
+ # The boolean operand of the `not`
+ var n_expr: AExpr is writable, noinit
end
-# A `==` expression
-class AEqExpr
+# A `==` or a `!=` expression
+#
+# Both have a similar effect on adaptive typing, so this class factorizes the common behavior.
+class AEqFormExpr
super ABinopExpr
end
-# A `is` expression
-class AEeExpr
- super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+# A `==` expression
+class AEqExpr
+ super AEqFormExpr
+ redef fun operator do return "=="
end
# A `!=` expression
class ANeExpr
- super ABinopExpr
+ super AEqFormExpr
+ redef fun operator do return "!="
end
# A `<` expression
class ALtExpr
super ABinopExpr
+ redef fun operator do return "<"
end
# A `<=` expression
class ALeExpr
super ABinopExpr
+ redef fun operator do return "<="
end
# A `<<` expression
class ALlExpr
super ABinopExpr
+ redef fun operator do return "<<"
end
# A `>` expression
class AGtExpr
super ABinopExpr
+ redef fun operator do return ">"
end
# A `>=` expression
class AGeExpr
super ABinopExpr
+ redef fun operator do return ">="
end
# A `>>` expression
class AGgExpr
super ABinopExpr
+ redef fun operator do return ">>"
end
# A type-ckeck expression. eg `x isa T`
class AIsaExpr
super ABoolExpr
- readable var _n_expr: AExpr
- readable var _n_type: AType
+
+ # The expression to check
+ var n_expr: AExpr is writable, noinit
+
+ # The `isa` keyword
+ var n_kwisa: TKwisa is writable, noinit
+
+ # The destination type to check to
+ var n_type: AType is writable, noinit
end
# A `+` expression
class APlusExpr
super ABinopExpr
+ redef fun operator do return "+"
end
# A `-` expression
class AMinusExpr
super ABinopExpr
+ redef fun operator do return "-"
end
# A `<=>` expression
class AStarshipExpr
super ABinopExpr
+ redef fun operator do return "<=>"
end
# A `*` expression
class AStarExpr
super ABinopExpr
+ redef fun operator do return "*"
+end
+
+# A `**` expression
+class AStarstarExpr
+ super ABinopExpr
+ redef fun operator do return "**"
end
# A `/` expression
class ASlashExpr
super ABinopExpr
+ redef fun operator do return "/"
end
# A `%` expression
class APercentExpr
super ABinopExpr
+ redef fun operator do return "%"
+end
+
+# A `|` expression
+class APipeExpr
+ super ABinopExpr
+ redef fun operator do return "|"
+end
+
+# A `^` expression
+class ACaretExpr
+ super ABinopExpr
+ redef fun operator do return "^"
+end
+
+# A `&` expression
+class AAmpExpr
+ super ABinopExpr
+ redef fun operator do return "&"
+end
+
+# A unary operation on a method
+abstract class AUnaryopExpr
+ super ASendExpr
+
+ # The operator
+ var n_op: Token is writable, noinit
+
+ # The name of the operator (eg '+')
+ fun operator: String is abstract
end
# A unary minus expression. eg `-x`
class AUminusExpr
- super ASendExpr
- readable var _n_minus: TMinus
+ super AUnaryopExpr
+ redef fun operator do return "-"
+end
+
+# A unary plus expression. eg `+x`
+class AUplusExpr
+ super AUnaryopExpr
+ redef fun operator do return "+"
+end
+
+# A unary `~` expression
+class AUtildeExpr
+ super AUnaryopExpr
+ redef fun operator do return "~"
end
# An explicit instantiation. eg `new T`
class ANewExpr
super AExpr
- readable var _n_kwnew: TKwnew
- readable var _n_type: AType
+
+ # The `new` keyword
+ var n_kwnew: TKwnew is writable, noinit
+
+ # The `type` keyword
+ var n_type: AType is writable, noinit
# The name of the named-constructor, if any
- readable var _n_id: nullable TId = null
- readable var _n_args: AExprs
+ var n_qid: nullable AQid = null is writable
+
+ # The arguments of the `new`
+ var n_args: AExprs is writable, noinit
end
# Whatever is a old-style attribute access
super AExpr
# The receiver of the attribute
- readable var _n_expr: AExpr
+ var n_expr: AExpr is writable, noinit
# The name of the attribute
- readable var _n_id: TAttrid
+ var n_id: TAttrid is writable, noinit
+
end
# The read of an attribute. eg `x._a`
super ASendExpr
# The name of the method
- readable var _n_id: TId
+ var n_qid: AQid is writable, noinit
# The arguments of the call
- readable var _n_args: AExprs
+ var n_args: AExprs is writable, noinit
end
# A complex setter call (standard or brackets)
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.
+# 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
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.
+# 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
super ACallFormExpr
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.
+# Note: because the parser cannot distinguish a variable write with a complex 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
super ACallFormExpr
# A call to `super`. OR a call of a super-constructor
class ASuperExpr
super AExpr
- readable var _n_qualified: nullable AQualified = null
- readable var _n_kwsuper: TKwsuper
- readable var _n_args: AExprs
+
+ # The qualifier part before the super (currenlty unused)
+ var n_qualified: nullable AQualified = null is writable
+
+ # The `super` keyword
+ var n_kwsuper: TKwsuper is writable, noinit
+
+ # The arguments of the super
+ var n_args: AExprs is writable, noinit
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
+# Note: because `init` is a keyword and not a `TId`, the explicit call to init cannot be a `ACallFormExpr`.
class AInitExpr
super ASendExpr
- readable var _n_kwinit: TKwinit
- readable var _n_args: AExprs
+
+ # The `init` keyword
+ var n_kwinit: TKwinit is writable, noinit
+
+ # The arguments of the init
+ var n_args: AExprs is writable, noinit
end
# Whatever looks-like a call of the brackets `[]` operator.
abstract class ABraFormExpr
super ASendExpr
- readable var _n_args: AExprs
+
+ # The arguments inside the brackets
+ var n_args: AExprs is writable, noinit
end
# A call of the brackets operator. eg `x[y,z]`
# Whatever is an access to a local variable
abstract class AVarFormExpr
super AExpr
- readable var _n_id: TId
+
+ # The name of the attribute
+ var n_id: TId is writable, noinit
end
# A complex setter call of the bracket operator. eg `x[y,z]+=t`
super ASendReassignFormExpr
end
-class AClosureCallExpr
- super AExpr
- readable var _n_id: TId
- readable var _n_args: AExprs
- readable var _n_closure_defs: List[AClosureDef] = new List[AClosureDef]
-end
-
# A local variable read access.
# The parser cannot instantiate them, see `ACallExpr`.
class AVarExpr
super AVarFormExpr
end
-# A local variable simple assigment access
-# The parser cannot instantiate them, see `ACallAssingExpr`.
+# A local variable simple assignment access
+# The parser cannot instantiate them, see `ACallAssignExpr`.
class AVarAssignExpr
super AVarFormExpr
super AAssignFormExpr
end
# A local variable complex assignment access
-# The parser cannot instantiate them, see `ACallReassingExpr`.
+# The parser cannot instantiate them, see `ACallReassignExpr`.
class AVarReassignExpr
super AVarFormExpr
super AReassignFormExpr
# A literal range, open or closed
abstract class ARangeExpr
super AExpr
- readable var _n_expr: AExpr
- readable var _n_expr2: AExpr
+
+ # The left (lower) element of the range
+ var n_expr: AExpr is writable, noinit
+
+ # The `..`
+ var n_dotdot: TDotdot is writable, noinit
+
+ # The right (upper) element of the range
+ var n_expr2: AExpr is writable, noinit
end
# A closed literal range. eg `[x..y]`
class ACrangeExpr
super ARangeExpr
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
+
+ # The opening bracket `[`
+ var n_obra: TObra is writable, noinit
+
+ # The closing bracket `]`
+ var n_cbra: TCbra is writable, noinit
end
# An open literal range. eg `[x..y[`
class AOrangeExpr
super ARangeExpr
- readable var _n_obra: TObra
- readable var _n_cbra: TObra
+
+ # The opening bracket `[`
+ var n_obra: TObra is writable, noinit
+
+ # The closing bracket `[` (because open range)
+ var n_cbra: TObra is writable, noinit
end
# A literal array. eg. `[x,y,z]`
class AArrayExpr
super AExpr
- readable var _n_exprs: AExprs
+
+ # The opening bracket `[`
+ var n_obra: TObra is writable, noinit
+
+ # The elements of the array
+ var n_exprs = new ANodes[AExpr](self)
+
+ # The type of the element of the array (if any)
+ var n_type: nullable AType = null is writable
+
+ # The closing bracket `]`
+ var n_cbra: TCbra is writable, noinit
end
-# A read of `self`
+# A read of `self`
class ASelfExpr
super AExpr
- readable var _n_kwself: nullable TKwself
+
+ # The `self` keyword
+ var n_kwself: nullable TKwself = null is writable
end
# When there is no explicit receiver, `self` is implicit
# A `true` boolean literal constant
class ATrueExpr
super ABoolExpr
- readable var _n_kwtrue: TKwtrue
+
+ # The `true` keyword
+ var n_kwtrue: TKwtrue is writable, noinit
end
+
# A `false` boolean literal constant
class AFalseExpr
super ABoolExpr
- readable var _n_kwfalse: TKwfalse
+
+ # The `false` keyword
+ var n_kwfalse: TKwfalse is writable, noinit
end
+
# A `null` literal constant
class ANullExpr
super AExpr
- readable var _n_kwnull: TKwnull
+
+ # The `null` keyword
+ var n_kwnull: TKwnull is writable, noinit
end
+
# An integer literal
-class AIntExpr
+class AIntegerExpr
super AExpr
- readable var _n_number: TNumber
+
+ # The integer token
+ var n_integer: TInteger is writable, noinit
end
+
# A float literal
class AFloatExpr
super AExpr
- readable var _n_float: TFloat
+
+ # The float token
+ var n_float: TFloat is writable, noinit
end
+
# A character literal
class ACharExpr
super AExpr
- readable var _n_char: TChar
+
+ # The character token
+ var n_char: TChar is writable, noinit
end
+
# A string literal
abstract class AStringFormExpr
super AExpr
- readable var _n_string: Token
+
+ # The string token
+ var n_string: Token is writable, noinit
end
# A simple string. eg. `"abc"`
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"]
+# A superstring literal. eg `"a{x}b{y}c"`
+# Each part is modeled a sequence of expression. eg. `["a{, x, }b{, y, }c"]`
class ASuperstringExpr
super AExpr
- readable var _n_exprs: List[AExpr] = new List[AExpr]
+
+ # The list of the expressions of the superstring
+ var n_exprs = new ANodes[AExpr](self)
end
# A simple parenthesis. eg `(x)`
class AParExpr
- super AProxyExpr
- readable var _n_opar: TOpar
- readable var _n_cpar: TCpar
+ super AExpr
+
+ # The opening parenthesis
+ var n_opar: TOpar is writable, noinit
+
+ # The inner expression
+ var n_expr: AExpr is writable, noinit
+
+ # The closing parenthesis
+ var n_cpar: TCpar is writable, noinit
end
-# Whatevej just contains (and mimic) an other expression
-abstract class AProxyExpr
+# A cast, against a type or `not null`
+class AAsCastForm
super AExpr
- readable var _n_expr: AExpr
+
+ # The expression to cast
+ var n_expr: AExpr is writable, noinit
+
+ # The `as` keyword
+ var n_kwas: TKwas is writable, noinit
+
+ # The opening parenthesis
+ var n_opar: nullable TOpar = null is writable
+
+ # The closing parenthesis
+ var n_cpar: nullable TCpar = null is writable
end
# A type cast. eg `x.as(T)`
class AAsCastExpr
- super AExpr
- readable var _n_expr: AExpr
- readable var _n_kwas: TKwas
- readable var _n_opar: TOpar
- readable var _n_type: AType
- readable var _n_cpar: TCpar
+ super AAsCastForm
+
+ # The target type to cast to
+ var n_type: AType is writable, noinit
end
# A as-not-null cast. eg `x.as(not null)`
class AAsNotnullExpr
- super AExpr
- readable var _n_expr: AExpr
- readable var _n_kwas: TKwas
- readable var _n_opar: TOpar
- readable var _n_kwnot: TKwnot
- readable var _n_kwnull: TKwnull
- readable var _n_cpar: TCpar
+ super AAsCastForm
+
+ # The `not` keyword
+ var n_kwnot: TKwnot is writable, noinit
+
+ # The `null` keyword
+ var n_kwnull: TKwnull is writable, noinit
end
# A is-set check of old-style attributes. eg `isset x._a`
class AIssetAttrExpr
super AAttrFormExpr
- readable var _n_kwisset: TKwisset
+
+ # The `isset` keyword
+ var n_kwisset: TKwisset is writable, noinit
+end
+
+# An ellipsis notation used to pass an expression as it, in a vararg parameter
+class AVarargExpr
+ super AExpr
+
+ # The passed expression
+ var n_expr: AExpr is writable, noinit
+
+ # The `...` symbol
+ var n_dotdotdot: TDotdotdot is writable, noinit
+end
+
+# An named notation used to pass an expression by name in a parameter
+class ANamedargExpr
+ super AExpr
+
+ # The name of the argument
+ var n_id: TId is writable, noinit
+
+ # The `=` synbol
+ var n_assign: TAssign is writable, noinit
+
+ # The passed expression
+ var n_expr: AExpr is writable, noinit
end
# A list of expression separated with commas (arguments for instance)
-abstract class AExprs
- super Prod
- readable var _n_exprs: List[AExpr] = new List[AExpr]
+class AManyExpr
+ super AExpr
+
+ # The list of expressions
+ var n_exprs = new ANodes[AExpr](self)
end
+# A special expression that encapsulates a static type
+# Can only be found in special construction like arguments of annotations.
+class ATypeExpr
+ super AExpr
+
+ # The encapsulated type
+ var n_type: AType is writable, noinit
+end
+
+# A special expression that encapsulates a method identifier
+# Can only be found in special construction like arguments of annotations.
+class AMethidExpr
+ super AExpr
+
+ # The receiver
+ var n_expr: AExpr is writable, noinit
+
+ # The encapsulated method identifier
+ var n_id: AMethid is writable, noinit
+end
+
+# A special expression that encapsulate an annotation
+# Can only be found in special construction like arguments of annotations.
+#
+# The encapsulated annotations are in `n_annotations`
+class AAtExpr
+ super AExpr
+end
+
+# A special expression to debug types
class ADebugTypeExpr
super AExpr
- readable var _n_kwdebug: TKwdebug
- readable var _n_kwtype: TKwtype
- readable var _n_expr: AExpr
- readable var _n_type: AType
+
+ # The `debug` keyword
+ var n_kwdebug: TKwdebug is writable, noinit
+
+ # The `type` keyword
+ var n_kwtype: TKwtype is writable, noinit
+
+ # The expression to check
+ var n_expr: AExpr is writable, noinit
+
+ # The type to check
+ var n_type: AType is writable, noinit
+end
+
+# A list of expression separated with commas (arguments for instance)
+abstract class AExprs
+ super Prod
+
+ # The list of expressions
+ var n_exprs = new ANodes[AExpr](self)
end
# A simple list of expressions
# A list of expressions enclosed in parentheses
class AParExprs
super AExprs
- readable var _n_opar: TOpar
- readable var _n_cpar: TCpar
+
+ # The opening parenthesis
+ var n_opar: TOpar is writable, noinit
+
+ # The closing parenthesis
+ var n_cpar: TCpar is writable, noinit
end
# A list of expressions enclosed in brackets
class ABraExprs
super AExprs
- readable var _n_obra: TObra
- readable var _n_cbra: TCbra
+
+ # The opening bracket
+ var n_obra: TObra is writable, noinit
+
+ # The closing bracket
+ var n_cbra: TCbra is writable, noinit
end
-# A complex assignment operator. eg `+=`
+# A complex assignment operator. (`+=` and `-=`)
abstract class AAssignOp
super Prod
+
+ # The combined assignment operator
+ var n_op: Token is writable, noinit
+
+ # The name of the operator without the `=` (eg '+')
+ fun operator: String is abstract
end
+
+# A `+=` assignment operation
class APlusAssignOp
super AAssignOp
- readable var _n_pluseq: TPluseq
+
+ redef fun operator do return "+"
end
+
+# A `-=` assignment operation
class AMinusAssignOp
super AAssignOp
- readable var _n_minuseq: TMinuseq
+
+ redef fun operator do return "-"
end
-class AClosureDef
- super ALabelable
- readable var _n_bang: TBang
- readable var _n_id: AClosureId
- readable var _n_ids: List[TId] = new List[TId]
- readable var _n_kwdo: nullable TKwdo = null
- readable var _n_expr: nullable AExpr = null
- redef fun hot_location do return n_id.location
+# A `*=` assignment operation
+class AStarAssignOp
+ super AAssignOp
+
+ redef fun operator do return "*"
end
-abstract class AClosureId
- super Prod
+
+# A `/=` assignment operation
+class ASlashAssignOp
+ super AAssignOp
+
+ redef fun operator do return "/"
+end
+
+# A `%=` assignment operation
+class APercentAssignOp
+ super AAssignOp
+
+ redef fun operator do return "%"
+end
+
+# A `**=` assignment operation
+class AStarstarAssignOp
+ super AAssignOp
+
+ redef fun operator do return "**"
+end
+
+# A `|=` assignment operation
+class APipeAssignOp
+ super AAssignOp
+
+ redef fun operator do return "|"
+end
+
+# A `^=` assignment operation
+class ACaretAssignOp
+ super AAssignOp
+
+ redef fun operator do return "^"
+end
+
+# A `&=` assignment operation
+class AAmpAssignOp
+ super AAssignOp
+
+ redef fun operator do return "&"
end
-class ASimpleClosureId
- super AClosureId
- readable var _n_id: TId
+
+# A `<<=` assignment operation
+class ALlAssignOp
+ super AAssignOp
+
+ redef fun operator do return "<<"
end
-class ABreakClosureId
- super AClosureId
- readable var _n_kwbreak: TKwbreak
+
+# A `>>=` assignment operation
+class AGgAssignOp
+ super AAssignOp
+
+ redef fun operator do return ">>"
end
+
+# A possibly fully-qualified module identifier
class AModuleName
super Prod
- readable var _n_quad: nullable TQuad = null
- readable var _n_path: List[TId] = new List[TId]
- readable var _n_id: TId
+
+ # The starting quad (`::`)
+ var n_quad: nullable TQuad = null is writable
+
+ # The list of quad-separated package/group identifiers
+ var n_path = new ANodes[TId](self)
+
+ # The final module identifier
+ var n_id: TId is writable, noinit
end
+
+# A language declaration for an extern block
class AInLanguage
super Prod
- readable var _n_kwin: TKwin
- readable var _n_string: TString
+
+ # The `in` keyword
+ var n_kwin: TKwin is writable, noinit
+
+ # The language name
+ var n_string: TString is writable, noinit
end
+
+# An full extern block
class AExternCodeBlock
super Prod
- readable var _n_in_language: nullable AInLanguage = null
- readable var _n_extern_code_segment: TExternCodeSegment
+
+ # The language declration
+ var n_in_language: nullable AInLanguage = null is writable
+
+ # The block of extern code
+ var n_extern_code_segment: TExternCodeSegment is writable, noinit
end
+
+# A possible full method qualifier.
class AQualified
super Prod
- readable var _n_quad: nullable TQuad = null
- readable var _n_id: List[TId] = new List[TId]
- readable var _n_classid: nullable TClassid = null
+
+ # The starting quad (`::`)
+ var n_quad: nullable TQuad = null is writable
+
+ # The list of quad-separated package/group/module identifiers
+ var n_id = new ANodes[TId](self)
+
+ # A class identifier
+ var n_classid: nullable TClassid = null is writable
end
# A documentation of a definition
# It contains the block of comments just above the declaration
class ADoc
super Prod
- readable var _n_comment: List[TComment] = new List[TComment]
+
+ # A list of lines of comment
+ var n_comment = new ANodes[TComment](self)
end
+# A group of annotation on a node
+#
+# This same class is used for the 3 kind of annotations:
+#
+# * *is* annotations. eg `module foo is bar`.
+# * *at* annotations. eg `foo@bar` or `foo@(bar,baz)`.
+# * *class* annotations, defined in classes.
class AAnnotations
super Prod
- readable var _n_at: nullable TAt = null
- readable var _n_opar: nullable TOpar = null
- readable var _n_items: List[AAnnotation] = new List[AAnnotation]
- readable var _n_cpar: nullable TCpar = null
+
+ # The `is` keyword, for *is* annotations
+ var n_kwis: nullable TKwis = null is writable
+
+ # The `@` symbol, for *at* annotations
+ var n_at: nullable TAt = null is writable
+
+ # The opening parenthesis in *at* annotations
+ var n_opar: nullable TOpar = null is writable
+
+ # The list of annotations
+ var n_items = new ANodes[AAnnotation](self)
+
+ # The closing parenthesis in *at* annotations
+ var n_cpar: nullable TCpar = null is writable
+
+ # The `end` keyword, for *is* annotations
+ var n_kwend: nullable TKwend = null is writable
end
+
+# A single annotation
class AAnnotation
- super Prod
- readable var _n_atid: AAtid
- readable var _n_opar: nullable TOpar = null
- readable var _n_args: List[AAtArg] = new List[AAtArg]
- readable var _n_cpar: nullable TCpar = null
-end
-abstract class AAtArg
- super Prod
-end
-class ATypeAtArg
- super AAtArg
- readable var _n_type: AType
-end
-class AExprAtArg
- super AAtArg
- readable var _n_expr: AExpr
-end
-class AAtAtArg
- super AAtArg
+ super ADefinition
+
+ # The name of the annotation
+ var n_atid: AAtid is writable, noinit
+
+ # The opening parenthesis of the arguments
+ var n_opar: nullable TOpar = null is writable
+
+ # The list of arguments
+ var n_args = new ANodes[AExpr](self)
+
+ # The closing parenthesis
+ var n_cpar: nullable TCpar = null is writable
+
+ # The name of the annotation
+ fun name: String
+ do
+ return n_atid.n_id.text
+ end
end
+
+# An annotation name
abstract class AAtid
super Prod
- readable var _n_id: Token
+
+ # The identifier of the annotation.
+ # Can be a TId of a keyword
+ var n_id: Token is writable, noinit
end
+
+# An annotation name based on an identifier
class AIdAtid
super AAtid
end
+
+# An annotation name based on the keyword `extern`
class AKwexternAtid
super AAtid
end
-class AKwinternAtid
- super AAtid
-end
-class AKwreadableAtid
- super AAtid
-end
-class AKwwritableAtid
+
+# An annotation name based on the keyword `import`
+class AKwimportAtid
super AAtid
end
-class AKwimportAtid
+
+# An annotation name based on the keyword `abstract`
+class AKwabstractAtid
super AAtid
end
# The root of the AST
class Start
super Prod
- readable var _n_base: nullable AModule
- readable var _n_eof: EOF
- init(n_base: nullable AModule, n_eof: EOF)
- do
- self._n_base = n_base
- self._n_eof = n_eof
- end
+
+ # The main module
+ var n_base: nullable AModule is writable
+
+ # The end of file (or error) token
+ var n_eof: EOF is writable
end
nitlanguage / nit.git / blobdiff