Class: Odin::Transform::Expr::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/odin/transform/transform_expr.rb

Instance Method Summary collapse

Constructor Details

#initialize(tokens, binding_path) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/odin/transform/transform_expr.rb', line 108

def initialize(tokens, binding_path)
  @tokens = tokens
  @binding_path = binding_path
  @pos = 0
end

Instance Method Details

#parse ⇒ Object

Raises:



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# File 'lib/odin/transform/transform_expr.rb', line 114

def parse
  raise ExprSyntaxError, "empty formula" if @tokens.empty?
  expr = parse_additive
  raise ExprSyntaxError, "unexpected token '#{peek.value}'" if @pos < @tokens.length
  expr
end