Class: Antlr4Native::Generator

Inherits:
Object
  • Object
show all
Includes:
StringHelpers
Defined in:
lib/antlr4-native/generator.rb

Constant Summary collapse

ANTLR_VERSION =
'4.8'.freeze
ANTLR_JAR =
File.expand_path(
  File.join('..', '..', 'vendor', 'antlr4-4.8-1-complete.jar'), __dir__
).freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from StringHelpers

#capitalize, #dasherize, #underscore

Constructor Details

#initialize(grammar_files:, output_dir:, parser_root_method:) ⇒ Generator

Returns a new instance of Generator.


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# File 'lib/antlr4-native/generator.rb', line 15

def initialize(grammar_files:, output_dir:, parser_root_method:)
  @grammar_files = grammar_files
  @output_dir = output_dir
  @parser_root_method = parser_root_method
end

Instance Attribute Details

#grammar_filesObject (readonly)

Returns the value of attribute grammar_files.


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# File 'lib/antlr4-native/generator.rb', line 13

def grammar_files
  @grammar_files
end

#output_dirObject (readonly)

Returns the value of attribute output_dir.


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# File 'lib/antlr4-native/generator.rb', line 13

def output_dir
  @output_dir
end

#parser_root_methodObject (readonly)

Returns the value of attribute parser_root_method.


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# File 'lib/antlr4-native/generator.rb', line 13

def parser_root_method
  @parser_root_method
end

Instance Method Details

#antlr_nsObject


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# File 'lib/antlr4-native/generator.rb', line 30

def antlr_ns
  grammar_names['parser'] || grammar_names['default']
end

#ext_nameObject


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# File 'lib/antlr4-native/generator.rb', line 42

def ext_name
  @ext_name ||= underscore(parser_ns)
end

#gem_nameObject


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# File 'lib/antlr4-native/generator.rb', line 26

def gem_name
  @gem_name ||= dasherize(parser_ns)
end

#generateObject


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# File 'lib/antlr4-native/generator.rb', line 21

def generate
  generate_antlr_code
  write_interop_file
end

#lexer_nsObject


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# File 'lib/antlr4-native/generator.rb', line 38

def lexer_ns
  @lexer_ns ||= grammar_names['lexer'] || "#{grammar_names['default']}Lexer"
end

#parser_nsObject


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# File 'lib/antlr4-native/generator.rb', line 34

def parser_ns
  @parser_ns ||= grammar_names['parser'] || "#{grammar_names['default']}Parser"
end