Class: RBlade::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/rblade/compiler.rb

Class Method Summary collapse

Class Method Details

.compile_attribute_string(string_template) ⇒ Object 



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# File 'lib/rblade/compiler.rb', line 97

def self.compile_attribute_string(string_template)
  tokens = [Token.new(:unprocessed, string_template)]

  CompilesComments.compile!(tokens)
  CompilesRuby.compile! tokens
  CompilesPrints.compile!(tokens)

  compile_tokens tokens
end

.compile_string(string_template, component_store) ⇒ Object 



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# File 'lib/rblade/compiler.rb', line 41

def self.compile_string(string_template, component_store)
  tokens = tokenize_string string_template, component_store

  compile_tokens tokens
end

.compile_tokens(tokens) ⇒ Object 



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# File 'lib/rblade/compiler.rb', line 107

def self.compile_tokens(tokens)
  output = +""

  i = 0
  while i < tokens.count
    token = tokens[i]
    if token.type == :unprocessed || token.type == :raw_text
      output << "@output_buffer.raw_buffer<<-'"

      # Merge together consecutive prints
      while tokens[i + 1]&.type == :unprocessed || tokens[i + 1]&.type == :raw_text
        output << RBlade.escape_quotes(token.value)
        i += 1
        token = tokens[i]
      end

      output << RBlade.escape_quotes(token.value)
      output << "';"
    else
      output << token.value
    end
    i += 1
  end

  output
end

.generate_source_map(string_template, component_store) ⇒ Object 



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# File 'lib/rblade/compiler.rb', line 47

def self.generate_source_map(string_template, component_store)
  tokens = tokenize_string string_template, component_store
  source_map = SourceMap.new(string_template)

  i = 0
  while i < tokens.count
    token = tokens[i]

    if token.type == :unprocessed || token.type == :raw_text
      start_offset = token.start_offset
      compiled_code = +"@output_buffer.raw_buffer<<-'"

      # Merge together consecutive prints
      while tokens[i + 1]&.type == :unprocessed || tokens[i + 1]&.type == :raw_text
        compiled_code << RBlade.escape_quotes(token.value)
        i += 1
        token = tokens[i]
      end

      compiled_code << RBlade.escape_quotes(token.value)
      compiled_code << "';"

      source_map.add(start_offset, token.end_offset, compiled_code)
    else
      source_map.add(token.start_offset, token.end_offset, token.value)
    end

    i += 1
  end

  source_map
end

.tokenize_string(string_template, component_store) ⇒ Object 



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# File 'lib/rblade/compiler.rb', line 80

def self.tokenize_string(string_template, component_store)
  tokens = [Token.new(:unprocessed, string_template, 0, string_template.length)]

  CompilesVerbatim.new.compile! tokens
  CompilesComments.new.compile! tokens
  TokenizesComponents.new.tokenize! tokens
  CompilesInjections.new.compile! tokens
  TokenizesStatements.new.tokenize! tokens
  CompilesStatements.new.compile! tokens

  component_compiler = CompilesComponents.new(component_store)
  component_compiler.compile! tokens
  component_compiler.ensure_all_tags_closed

  tokens
end