Class: TRuby::Compiler

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = nil, optimize: true) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/t_ruby/compiler.rb', line 16

def initialize(config = nil, optimize: true)
  @config = config || Config.new
  @optimize = optimize
  @declaration_loader = DeclarationLoader.new
  @optimizer = IR::Optimizer.new if optimize
  @type_inferrer = ASTTypeInferrer.new if type_check?
  setup_declaration_paths if @config
end

Instance Attribute Details

#declaration_loader ⇒ Object (readonly)

Returns the value of attribute declaration_loader.



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# File 'lib/t_ruby/compiler.rb', line 14

def declaration_loader
  @declaration_loader
end

#optimizer ⇒ Object (readonly)

Returns the value of attribute optimizer.



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# File 'lib/t_ruby/compiler.rb', line 14

def optimizer
  @optimizer
end

Instance Method Details

#add_declaration_path(path) ⇒ Object

Add a search path for declaration files



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# File 'lib/t_ruby/compiler.rb', line 312

def add_declaration_path(path)
  @declaration_loader.add_search_path(path)
end

#analyze(source, file: "<source>") ⇒ Array<Diagnostic>

Analyze source code without compiling - returns diagnostics only This is the unified analysis interface for LSP and other tools

Parameters:

  • source (String) —

    T-Ruby source code

  • file (String) (defaults to: "<source>") —

    File path for error reporting (optional)

Returns:

  • (Array<Diagnostic>) —

    Array of diagnostic objects



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# File 'lib/t_ruby/compiler.rb', line 151

def analyze(source, file: "<source>")
  diagnostics = []
  source_lines = source.split("\n")

  # Run ErrorHandler checks (syntax validation, duplicate definitions, etc.)
  error_handler = ErrorHandler.new(source)
  errors = error_handler.check
  errors.each do |error|
    # Parse line number from "Line N: message" format
    next unless error =~ /^Line (\d+):\s*(.+)$/

    line_num = Regexp.last_match(1).to_i
    message = Regexp.last_match(2)
    source_line = source_lines[line_num - 1] if line_num.positive?
    diagnostics << Diagnostic.new(
      code: "TR1002",
      message: message,
      file: file,
      line: line_num,
      column: 1,
      source_line: source_line,
      severity: Diagnostic::SEVERITY_ERROR
    )
  end

  # Run TokenDeclarationParser for colon spacing and declaration syntax validation
  begin
    scanner = Scanner.new(source)
    tokens = scanner.scan_all
    decl_parser = ParserCombinator::TokenDeclarationParser.new
    decl_parser.parse_program(tokens)

    if decl_parser.has_errors?
      decl_parser.errors.each do |err|
        source_line = source_lines[err.line - 1] if err.line.positive? && err.line <= source_lines.length
        diagnostics << Diagnostic.new(
          code: "TR1003",
          message: err.message,
          file: file,
          line: err.line,
          column: err.column,
          source_line: source_line,
          severity: Diagnostic::SEVERITY_ERROR
        )
      end
    end
  rescue Scanner::ScanError
    # Scanner errors will be caught below in the main parse section
  rescue StandardError
    # Ignore TokenDeclarationParser errors for now - regex parser is authoritative
  end

  begin
    # Parse source with regex-based parser for IR generation
    parser = Parser.new(source)
    parser.parse

    # Run type checking if enabled and IR is available
    if type_check? && parser.ir_program
      begin
        check_types(parser.ir_program, file)
      rescue TypeCheckError => e
        diagnostics << Diagnostic.from_type_check_error(e, file: file, source: source)
      end
    end
  rescue ParseError => e
    diagnostics << Diagnostic.from_parse_error(e, file: file, source: source)
  rescue Scanner::ScanError => e
    diagnostics << Diagnostic.from_scan_error(e, file: file, source: source)
  rescue StandardError => e
    diagnostics << Diagnostic.new(
      code: "TR0001",
      message: e.message,
      file: file,
      line: 1,
      column: 1,
      severity: Diagnostic::SEVERITY_ERROR
    )
  end

  diagnostics
end

#compile(input_path) ⇒ Object 



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# File 'lib/t_ruby/compiler.rb', line 29

def compile(input_path)
  unless File.exist?(input_path)
    raise ArgumentError, "File not found: #{input_path}"
  end

  # Handle .rb files separately
  if input_path.end_with?(".rb")
    return copy_ruby_file(input_path)
  end

  unless input_path.end_with?(".trb")
    raise ArgumentError, "Expected .trb or .rb file, got: #{input_path}"
  end

  source = File.read(input_path)

  # Parse with IR support
  parser = Parser.new(source)
  parser.parse

  # Run type checking if enabled
  if type_check? && parser.ir_program
    check_types(parser.ir_program, input_path)
  end

  # Transform source to Ruby code
  output = transform_with_ir(source, parser)

  # Compute output path (respects preserve_structure setting)
  output_path = compute_output_path(input_path, @config.ruby_dir, ".rb")
  FileUtils.mkdir_p(File.dirname(output_path))

  File.write(output_path, output)

  # Generate .rbs file if enabled in config
  if @config.compiler["generate_rbs"]
    rbs_path = compute_output_path(input_path, @config.rbs_dir, ".rbs")
    FileUtils.mkdir_p(File.dirname(rbs_path))
    generate_rbs_from_ir_to_path(rbs_path, parser.ir_program)
  end

  # Generate .d.trb file if enabled in config (legacy support)
  # TODO: Add compiler.generate_dtrb option in future
  if @config.compiler.key?("generate_dtrb") && @config.compiler["generate_dtrb"]
    generate_dtrb_file(input_path, @config.ruby_dir)
  end

  output_path
end

#compile_from_ir(ir_program, output_path) ⇒ Object

Compile from IR program directly



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# File 'lib/t_ruby/compiler.rb', line 287

def compile_from_ir(ir_program, output_path)
  out_dir = File.dirname(output_path)
  FileUtils.mkdir_p(out_dir)

  # Optimize if enabled
  program = ir_program
  if @optimize && @optimizer
    result = @optimizer.optimize(program)
    program = result[:program]
  end

  # Generate Ruby code
  generator = IRCodeGenerator.new
  output = generator.generate(program)
  File.write(output_path, output)

  output_path
end

#compile_string(source, options = {}) ⇒ Hash

Compile T-Ruby source code from a string (useful for WASM/playground)

Parameters:

  • source (String) —

    T-Ruby source code

  • options (Hash) (defaults to: {}) —

    Options for compilation

Options Hash (options):

  • :rbs (Boolean) —

    Whether to generate RBS output (default: true)

Returns:

  • (Hash) —

    Result with :ruby, :rbs, :errors keys



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# File 'lib/t_ruby/compiler.rb', line 239

def compile_string(source, options = {})
  generate_rbs = options.fetch(:rbs, true)

  parser = Parser.new(source)
  parser.parse

  # Transform source to Ruby code
  ruby_output = transform_with_ir(source, parser)

  # Generate RBS if requested
  rbs_output = ""
  if generate_rbs && parser.ir_program
    generator = IR::RBSGenerator.new
    rbs_output = generator.generate(parser.ir_program)
  end

  {
    ruby: ruby_output,
    rbs: rbs_output,
    errors: [],
  }
rescue ParseError => e
  {
    ruby: "",
    rbs: "",
    errors: [e.message],
  }
rescue StandardError => e
  {
    ruby: "",
    rbs: "",
    errors: ["Compilation error: #{e.message}"],
  }
end

#compile_to_ir(input_path) ⇒ Object

Compile to IR without generating output files



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# File 'lib/t_ruby/compiler.rb', line 275

def compile_to_ir(input_path)
  unless File.exist?(input_path)
    raise ArgumentError, "File not found: #{input_path}"
  end

  source = File.read(input_path)
  parser = Parser.new(source)
  parser.parse
  parser.ir_program
end

#compile_with_diagnostics(input_path) ⇒ Hash

Compile a file and return result with diagnostics This is the unified compilation interface for CLI and Watcher

Parameters:

  • input_path (String) —

    Path to the input file

Returns:

  • (Hash) —

    Result with :success, :output_path, :diagnostics keys



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# File 'lib/t_ruby/compiler.rb', line 83

def compile_with_diagnostics(input_path)
  source = File.exist?(input_path) ? File.read(input_path) : nil
  all_diagnostics = []

  # Run analyze first to get all diagnostics (colon spacing, etc.)
  if source
    all_diagnostics = analyze(source, file: input_path)
  end

  begin
    output_path = compile(input_path)
    # Compilation succeeded, but we may still have diagnostics from analyze
    {
      success: all_diagnostics.empty?,
      output_path: all_diagnostics.empty? ? output_path : nil,
      diagnostics: all_diagnostics,
    }
  rescue TypeCheckError => e
    # Skip if already reported by analyze (same message and location)
    new_diag = Diagnostic.from_type_check_error(e, file: input_path, source: source)
    unless all_diagnostics.any? { |d| d.message == new_diag.message && d.line == new_diag.line }
      all_diagnostics << new_diag
    end
    {
      success: false,
      output_path: nil,
      diagnostics: all_diagnostics,
    }
  rescue ParseError => e
    new_diag = Diagnostic.from_parse_error(e, file: input_path, source: source)
    unless all_diagnostics.any? { |d| d.message == new_diag.message && d.line == new_diag.line }
      all_diagnostics << new_diag
    end
    {
      success: false,
      output_path: nil,
      diagnostics: all_diagnostics,
    }
  rescue Scanner::ScanError => e
    new_diag = Diagnostic.from_scan_error(e, file: input_path, source: source)
    unless all_diagnostics.any? { |d| d.message == new_diag.message && d.line == new_diag.line }
      all_diagnostics << new_diag
    end
    {
      success: false,
      output_path: nil,
      diagnostics: all_diagnostics,
    }
  rescue ArgumentError => e
    all_diagnostics << Diagnostic.new(
      code: "TR0001",
      message: e.message,
      file: input_path,
      severity: Diagnostic::SEVERITY_ERROR
    )
    {
      success: false,
      output_path: nil,
      diagnostics: all_diagnostics,
    }
  end
end

#compute_output_path(input_path, output_dir, new_extension) ⇒ String

Compute output path for a source file

Parameters:

  • input_path (String) —

    path to source file

  • output_dir (String) —

    base output directory

  • new_extension (String) —

    new file extension (e.g., “.rb”, “.rbs”)

Returns:

  • (String) —

    computed output path (always preserves directory structure)



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# File 'lib/t_ruby/compiler.rb', line 326

def compute_output_path(input_path, output_dir, new_extension)
  relative = compute_relative_path(input_path)
  base = relative.sub(/\.[^.]+$/, new_extension)
  File.join(output_dir, base)
end

#compute_relative_path(input_path) ⇒ String

Compute relative path from source directory

Parameters:

  • input_path (String) —

    path to source file

Returns:

  • (String) —

    relative path preserving directory structure



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# File 'lib/t_ruby/compiler.rb', line 335

def compute_relative_path(input_path)
  # Use realpath to resolve symlinks (e.g., /var vs /private/var on macOS)
  absolute_input = resolve_path(input_path)
  source_dirs = @config.source_include

  # Check if file is inside any source_include directory
  if source_dirs.size > 1
    # Multiple source directories: include the source dir name in output
    # src/models/user.trb → src/models/user.trb
    source_dirs.each do |src_dir|
      absolute_src = resolve_path(src_dir)
      next unless absolute_input.start_with?("#{absolute_src}/")

      # Return path relative to parent of source dir (includes src dir name)
      parent_of_src = File.dirname(absolute_src)
      return absolute_input.sub("#{parent_of_src}/", "")
    end
  else
    # Single source directory: exclude the source dir name from output
    # src/models/user.trb → models/user.trb
    src_dir = source_dirs.first
    if src_dir
      absolute_src = resolve_path(src_dir)
      if absolute_input.start_with?("#{absolute_src}/")
        return absolute_input.sub("#{absolute_src}/", "")
      end
    end
  end

  # File outside source directories: use path relative to current working directory
  # external/foo.trb → external/foo.trb
  cwd = resolve_path(".")
  if absolute_input.start_with?("#{cwd}/")
    return absolute_input.sub("#{cwd}/", "")
  end

  # Absolute path from outside cwd: use basename only
  File.basename(input_path)
end

#load_declaration(name) ⇒ Object

Load external declarations from a file



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# File 'lib/t_ruby/compiler.rb', line 307

def load_declaration(name)
  @declaration_loader.load(name)
end

#optimization_stats ⇒ Object

Get optimization statistics (only available after IR compilation)



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# File 'lib/t_ruby/compiler.rb', line 317

def optimization_stats
  @optimizer&.stats
end

#type_check? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/t_ruby/compiler.rb', line 25

def type_check?
  @config.type_check?
end