class RubyVM::AbstractSyntaxTree::Node
RubyVM::AbstractSyntaxTree::Node
instances are created by parse methods in RubyVM::AbstractSyntaxTree
.
This class is MRI specific.
Public Instance Methods
children → array
click to toggle source
Returns AST nodes under this one. Each kind of node has different children, depending on what kind of node it is.
The returned array may contain other nodes or nil
.
# File ast.rb, line 131 def children __builtin_ast_node_children end
first_column → integer
click to toggle source
The column number in the source code where this AST's text began.
# File ast.rb, line 104 def first_column __builtin_ast_node_first_column end
first_lineno → integer
click to toggle source
The line number in the source code where this AST's text began.
# File ast.rb, line 96 def first_lineno __builtin_ast_node_first_lineno end
inspect → string
click to toggle source
Returns debugging information about this node as a string.
# File ast.rb, line 139 def inspect __builtin_ast_node_inspect end
last_column → integer
click to toggle source
The column number in the source code where this AST's text ended.
# File ast.rb, line 120 def last_column __builtin_ast_node_last_column end
last_lineno → integer
click to toggle source
The line number in the source code where this AST's text ended.
# File ast.rb, line 112 def last_lineno __builtin_ast_node_last_lineno end
type → symbol
click to toggle source
Returns the type of this node as a symbol.
root = RubyVM::AbstractSyntaxTree.parse("x = 1 + 2") root.type # => :SCOPE call = root.children[2] call.type # => :OPCALL
# File ast.rb, line 88 def type __builtin_ast_node_type end