Class: Habdsl::BaseParser

Inherits:
Object
  • Object
show all
Defined in:
lib/habdsl/base_parser.rb

Overview

Class that parses DSL code and generates a result.

Defined Under Namespace

Classes: DSLValidationError

Class Method Summary collapse

Class Method Details

.evaluate_dsl(input_code:, table:) ⇒ Object

Raises:



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# File 'lib/habdsl/base_parser.rb', line 12

def self.evaluate_dsl(input_code:, table:)
  raise DSLValidationError, "Syntax error: DSL code contains a syntax error." if Ripper.sexp(input_code).nil?

  if table.any? && !input_code.include?("table")
    raise DSLValidationError, "'table' is not used in the DSL code but table data was provided."
  end

  dsl = Habdsl::Model::Dsl.new
  defined_objects = []

  eval_context = Object.new

  eval_context.define_singleton_method(:location) do |**args, &block|
    loc = dsl.location(**args, &block)
    defined_objects << loc
    loc
  end

  eval_context.define_singleton_method(:equipment) do |**args, &block|
    eq = dsl.equipment(**args, &block)
    defined_objects << eq
    eq
  end

  eval_context.define_singleton_method(:point) do |**args|
    dsl.point(**args)
  end

  eval_context.define_singleton_method(:table) { table }

  begin
    eval_context.instance_eval(input_code)
  rescue StandardError => e
    raise DSLValidationError, "Runtime error during DSL evaluation: #{e.class} - #{e.message}"
  end

  generated_output = defined_objects.map(&:to_s).join("\n")

  if input_code.include?("table") && table.is_a?(Array) && !table.empty?
    # Check if table keys were actually used in the generated output
    unused_keys = table.first.keys.reject do |key|
      table.any? {|row| generated_output.include?(row[key].to_s) }
    end

    if unused_keys.any?
      raise DSLValidationError,
            "Validation error: The following table keys are not used in the generated DSL output: #{unused_keys.join(', ')}"
    end
  end

  ResultParser.new(table: table, dsl: generated_output)
end