Crystal::Macros::ASTNode
abstract class Crystal::Macros::ASTNode
Overview
This is the base class of all AST nodes. This methods are available to all AST nodes.
Direct Known Subclasses
- Crystal::Macros::Arg
- Crystal::Macros::ArrayLiteral
- Crystal::Macros::Assign
- Crystal::Macros::BinaryOp
- Crystal::Macros::Block
- Crystal::Macros::BoolLiteral
- Crystal::Macros::Call
- Crystal::Macros::Case
- Crystal::Macros::Cast
- Crystal::Macros::CharLiteral
- Crystal::Macros::ClassDef
- Crystal::Macros::ClassVar
- Crystal::Macros::Def
- Crystal::Macros::Expressions
- Crystal::Macros::Generic
- Crystal::Macros::Global
- Crystal::Macros::HashLiteral
- Crystal::Macros::If
- Crystal::Macros::ImplicitObj
- Crystal::Macros::InstanceVar
- Crystal::Macros::IsA
- Crystal::Macros::Macro
- Crystal::Macros::MacroId
- Crystal::Macros::MetaVar
- Crystal::Macros::MultiAssign
- Crystal::Macros::NamedArgument
- Crystal::Macros::NamedTupleLiteral
- Crystal::Macros::NilableCast
- Crystal::Macros::NilLiteral
- Crystal::Macros::Nop
- Crystal::Macros::NumberLiteral
- Crystal::Macros::Path
- Crystal::Macros::RangeLiteral
- Crystal::Macros::ReadInstanceVar
- Crystal::Macros::RegexLiteral
- Crystal::Macros::Require
- Crystal::Macros::RespondsTo
- Crystal::Macros::Splat
- Crystal::Macros::StringInterpolation
- Crystal::Macros::StringLiteral
- Crystal::Macros::SymbolLiteral
- Crystal::Macros::TupleLiteral
- Crystal::Macros::TypeDeclaration
- Crystal::Macros::TypeNode
- Crystal::Macros::UnaryExpression
- Crystal::Macros::UninitializedVar
- Crystal::Macros::Union
- Crystal::Macros::Var
- Crystal::Macros::VisibilityModifier
- Crystal::Macros::When
- Crystal::Macros::While
Defined in:
compiler/crystal/macros.crInstance Method Summary
- #!=(other : ASTNode) : BoolLiteral
Returns true if this node's textual representation is not the same as the other node.
- #==(other : ASTNode) : BoolLiteral
Returns true if this node's textual representation is the same as the other node.
- #class_name : StringLiteral
Returns a
StringLiteral
that contains this node's name. - #column_number : StringLiteral | NilLiteral
Returns the column number where this node begins.
- #end_column_number : StringLiteral | NilLiteral
Returns the column number where this node ends.
- #end_line_number : StringLiteral | NilLiteral
Returns the line number where this node ends.
- #filename : StringLiteral | NilLiteral
Returns the filename where this node is located.
- #id : MacroId
Returns this node as a
MacroId
- - #line_number : StringLiteral | NilLiteral
Returns the line number where this node begins.
- #raise(message) : NoReturn
Gives a compile-time error with the given message.
- #stringify : StringLiteral
Returns a
StringLiteral
that contains this node's textual representation.
Instance methods inherited from class Reference
==(other : self)==(other) ==, dup dup, hash hash, inspect(io : IO) : Nil inspect, object_id : UInt64 object_id, pretty_print(pp) : Nil pretty_print, same?(other : Reference)
same?(other : Nil) same?, to_s(io : IO) : Nil to_s
Class methods inherited from class Reference
new new Instance methods inherited from class Object
!=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)===(other : YAML::Any)
===(other) ===, =~(other) =~, class class, dup dup, hash hash, inspect(io : IO)
inspect inspect, itself itself, not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, tap(&block) tap, to_json(io : IO)
to_json to_json, to_pretty_json(indent : String = " ")
to_pretty_json(io : IO, indent : String = " ") to_pretty_json, to_s
to_s(io : IO) to_s, to_yaml(io : IO)
to_yaml to_yaml, try(&block) try
Class methods inherited from class Object
from_json(string_or_io, root : String) : selffrom_json(string_or_io) : self from_json, from_yaml(string_or_io) : self from_yaml
Instance Method Detail
def !=(other : ASTNode) : BoolLiteralSource
Returns true if this node's textual representation is not the same as the other node.
def ==(other : ASTNode) : BoolLiteralSource
Returns true if this node's textual representation is the same as the other node.
def class_name : StringLiteralSource
Returns a StringLiteral
that contains this node's name.
macro test {{ "foo".class_name }} end puts test # => prints StringLiteral
def column_number : StringLiteral | NilLiteralSource
Returns the column number where this node begins. Might return nil if the location is not known.
The first column number in a line is 1.
def end_column_number : StringLiteral | NilLiteralSource
Returns the column number where this node ends. Might return nil if the location is not known.
The first column number in a line is 1.
def end_line_number : StringLiteral | NilLiteralSource
Returns the line number where this node ends. Might return nil if the location is not known.
The first line number in a file is 1.
def filename : StringLiteral | NilLiteralSource
Returns the filename where this node is located. Might return nil if the location is not known.
def id : MacroIdSource
Returns this node as a MacroId
- Useful when you need an identifier out of a StringLiteral
, SymbolLiteral
, Var
or Call
.
macro define_method(name, content) def {{name.id}} {{content}} end end define_method :foo, 1 define_method "bar", 2 define_method baz, 3 puts foo # => prints 1 puts bar # => prints 2 puts baz # => prints 3
def line_number : StringLiteral | NilLiteralSource
Returns the line number where this node begins. Might return nil if the location is not known.
The first line number in a file is 1.
def raise(message) : NoReturnSource
Gives a compile-time error with the given message. This will highlight this node in the error message.
def stringify : StringLiteralSource
Returns a StringLiteral
that contains this node's textual representation. Note that invoking stringify on a string literal will return a StringLiteral that contains a string literal.
macro test {{ "foo".stringify }} end puts test # prints "foo" (including the double quotes)
© 2012–2017 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/0.22.0/Crystal/Macros/ASTNode.html