Class: RubyCrystalCodemod::Formatter
- Inherits:
-
Object
- Object
- RubyCrystalCodemod::Formatter
- Includes:
- Settings
- Defined in:
- lib/ruby_crystal_codemod/formatter.rb
Constant Summary collapse
- INDENT_SIZE =
2
Constants included from Settings
Instance Attribute Summary collapse
-
#logs ⇒ Object
Returns the value of attribute logs.
Class Method Summary collapse
Instance Method Summary collapse
- #adjust_other_alignments(scope, line, column, offset) ⇒ Object
- #bug(msg) ⇒ Object
- #capture_output ⇒ Object
- #check(kind) ⇒ Object
- #check_heredocs_in_literal_elements(is_last, wrote_comma) ⇒ Object
- #comma? ⇒ Boolean
- #comment? ⇒ Boolean
- #consume_block_args(args) ⇒ Object
- #consume_call_dot ⇒ Object
- #consume_embedded_comment ⇒ Object
- #consume_end ⇒ Object
-
#consume_end_of_line(at_prefix: false, want_semicolon: false, want_multiline: true, needs_two_lines_on_comment: false, first_space: nil) ⇒ Object
Consume and print an end of line, handling semicolons and comments.
- #consume_keyword(value) ⇒ Object
- #consume_op(value) ⇒ Object
- #consume_op_or_keyword ⇒ Object
- #consume_space(want_preserve_whitespace: false) ⇒ Object
- #consume_space_after_command_name ⇒ Object
- #consume_space_or_newline ⇒ Object
- #consume_token(kind) ⇒ Object
- #consume_token_value(value) ⇒ Object
- #current_comment_aligned_to_previous_one? ⇒ Boolean
-
#current_token ⇒ Object
[[1, 0], :on_int, “1”].
- #current_token_column ⇒ Object
- #current_token_kind ⇒ Object
- #current_token_line ⇒ Object
- #current_token_value ⇒ Object
- #declaration?(exp) ⇒ Boolean
- #dedent_calls ⇒ Object
- #do_align(components, scope) ⇒ Object
- #do_align_case_when ⇒ Object
- #empty_body?(body) ⇒ Boolean
- #empty_params?(node) ⇒ Boolean
- #find_closing_brace_token ⇒ Object
- #flush_heredocs ⇒ Object
- #format ⇒ Object
- #format_simple_string(node) ⇒ Object
- #indent(value = nil) ⇒ Object
- #indent_after_space(node, sticky: false, want_space: true, needed_indent: next_indent, token_column: nil, base_column: nil) ⇒ Object
- #indent_body(exps, force_multiline: false) ⇒ Object
- #indent_literals ⇒ Object
- #indentable_value?(value) ⇒ Boolean
-
#initialize(code, filename, dir, **options) ⇒ Formatter
constructor
A new instance of Formatter.
- #keyword?(keyword) ⇒ Boolean
- #last?(index, array) ⇒ Boolean
- #log(str = "") ⇒ Object
- #maybe_indent(toggle, indent_size) ⇒ Object
-
#need_space_for_hash?(node, closing_brace_token) ⇒ Boolean
Check to see if need to add space inside hash literal braces.
- #needs_two_lines?(exp) ⇒ Boolean
- #newline? ⇒ Boolean
- #next_indent ⇒ Object
- #next_token ⇒ Object
- #next_token_no_heredoc_check ⇒ Object
- #node_line(node, beginning: true) ⇒ Object
-
#parse_require_path_from_ruby_code(_node, _ident, _next_level) ⇒ Object
Parses any Ruby code, and attempts to evaluate it require File.expand_path(‘./nested_require’, File.dirname(__FILE__)).
-
#parse_simple_require_path(_node, _ident, next_level) ⇒ Object
Parses: require “test” require_relative “test” require_relative(“test”) require(“test”).
- #push_call(node) ⇒ Object
- #push_hash(node) ⇒ Object
- #push_node(node) ⇒ Object
- #push_type(node) ⇒ Object
-
#quote_char ⇒ Object
Which quote character are we using?.
- #remove_current_command_from_tokens ⇒ Object
- #remove_lines_before_inline_declarations ⇒ Object
- #replace_require_statement(node, ident, args) ⇒ Object
- #require_path_from_args(node, ident, args) ⇒ Object
- #result ⇒ Object
- #semicolon? ⇒ Boolean
-
#should_format_string?(string) ⇒ Boolean
should we format this string according to :quote_style?.
- #show_error_divider(prefix = "", suffix = "") ⇒ Object
- #show_requiring_files_docs ⇒ Object
-
#simple_string(node) ⇒ Object
For simple string formatting, look for nodes like: [:string_literal, [:string_content, [:@tstring_content, “abc”, […]]]] and return the simple string inside.
- #skip_ignored_space ⇒ Object
- #skip_semicolons ⇒ Object
- #skip_space ⇒ Object
- #skip_space_backslash ⇒ Object
- #skip_space_no_heredoc_check ⇒ Object
- #skip_space_or_newline(_want_semicolon: false, write_first_semicolon: false) ⇒ Object
- #skip_space_or_newline_using_setting(setting, indent_size = @indent) ⇒ Object
- #space? ⇒ Boolean
- #to_ary(node) ⇒ Object
- #track_alignment(key, target, offset = 0, id = nil) ⇒ Object
- #track_assignment(offset = 0) ⇒ Object
- #track_case_when ⇒ Object
- #track_comment(id: nil, match_previous_id: false) ⇒ Object
- #visit(node) ⇒ Object
- #visit_alias(node) ⇒ Object
- #visit_args_add_star(node) ⇒ Object
- #visit_array(node) ⇒ Object
- #visit_array_access(node) ⇒ Object
- #visit_array_getter_or_setter(name, args) ⇒ Object
- #visit_array_setter(node) ⇒ Object
- #visit_assign(node) ⇒ Object
- #visit_assign_value(value) ⇒ Object
- #visit_begin(node) ⇒ Object
- #visit_begin_node(node) ⇒ Object
- #visit_begin_or_end(node, keyword) ⇒ Object
- #visit_binary(node) ⇒ Object
- #visit_block_arguments(node) ⇒ Object
- #visit_bodystmt(node) ⇒ Object
- #visit_brace_block(node) ⇒ Object
- #visit_break(node) ⇒ Object
- #visit_call_args(node) ⇒ Object
- #visit_call_at_paren(node, args) ⇒ Object
- #visit_call_with_block(node) ⇒ Object
- #visit_call_with_receiver(node) ⇒ Object
- #visit_call_without_receiver(node) ⇒ Object
- #visit_case(node) ⇒ Object
- #visit_class(node) ⇒ Object
- #visit_comma_separated_list(nodes, needs_indent: false, base_column: nil) ⇒ Object
- #visit_command(node) ⇒ Object
- #visit_command_args(args, base_column) ⇒ Object
- #visit_command_call(node) ⇒ Object
- #visit_command_end(node, args, base_column) ⇒ Object
- #visit_control_keyword(node, keyword) ⇒ Object
- #visit_def(node) ⇒ Object
- #visit_def_from_name(name, params, body) ⇒ Object
- #visit_def_with_receiver(node) ⇒ Object
- #visit_defined(node) ⇒ Object
- #visit_do_block(node) ⇒ Object
- #visit_end_node(node) ⇒ Object
- #visit_exps(exps, with_indent: false, with_lines: true, want_trailing_multiline: false) ⇒ Object
- #visit_for(node) ⇒ Object
- #visit_hash(node) ⇒ Object
- #visit_hash_key_value(node) ⇒ Object
- #visit_if(node) ⇒ Object
- #visit_if_or_unless(node, keyword, check_end: true) ⇒ Object
- #visit_kwrest_param(node) ⇒ Object
- #visit_lambda(node) ⇒ Object
- #visit_literal_elements(elements, inside_hash: false, inside_array: false, token_column:) ⇒ Object
- #visit_mlhs(node) ⇒ Object
- #visit_mlhs_add_star(node) ⇒ Object
- #visit_mlhs_or_mlhs_paren(args) ⇒ Object
- #visit_mlhs_paren(node) ⇒ Object
- #visit_module(node) ⇒ Object
- #visit_mrhs_add_star(node) ⇒ Object
- #visit_mrhs_new_from_args(node) ⇒ Object
- #visit_multiple_assign(node) ⇒ Object
- #visit_next(node) ⇒ Object
- #visit_op_assign(node) ⇒ Object
- #visit_params(node) ⇒ Object
- #visit_paren(node) ⇒ Object
- #visit_path(node) ⇒ Object
- #visit_q_or_i_array(node) ⇒ Object
- #visit_quoted_symbol_literal(node) ⇒ Object
- #visit_range(node, inclusive) ⇒ Object
- #visit_regexp_literal(node) ⇒ Object
- #visit_rescue_types(node) ⇒ Object
- #visit_rest_param(node) ⇒ Object
- #visit_return(node) ⇒ Object
- #visit_sclass(node) ⇒ Object
- #visit_setter(node) ⇒ Object
- #visit_splat_inside_hash(node) ⇒ Object
- #visit_string_concat(node) ⇒ Object
- #visit_string_dvar(node) ⇒ Object
- #visit_string_interpolation(node) ⇒ Object
- #visit_string_literal(node) ⇒ Object
- #visit_string_literal_end(node) ⇒ Object
- #visit_suffix(node, suffix) ⇒ Object
- #visit_super(node) ⇒ Object
- #visit_symbol(node) ⇒ Object
- #visit_symbol_literal(node) ⇒ Object
- #visit_ternary_if(node) ⇒ Object
- #visit_unary(node) ⇒ Object
- #visit_undef(node) ⇒ Object
- #visit_unless(node) ⇒ Object
- #visit_until(node) ⇒ Object
- #visit_when(node) ⇒ Object
- #visit_while(node) ⇒ Object
- #visit_while_or_until(node, keyword) ⇒ Object
- #visit_yield(node) ⇒ Object
- #void_exps?(node) ⇒ Boolean
-
#with_unmodifiable_string_lines ⇒ Object
Every line between the first line and end line of this string (excluding the first line) must remain like it is now (we don’t want to mess with that when indenting/dedenting).
- #write(value) ⇒ Object
- #write_indent(indent = @indent) ⇒ Object
- #write_line ⇒ Object
- #write_params_comma ⇒ Object
- #write_space(value = " ") ⇒ Object
- #write_space_using_setting(first_space, setting, at_least_one: false) ⇒ Object
Methods included from Settings
Constructor Details
#initialize(code, filename, dir, **options) ⇒ Formatter
Returns a new instance of Formatter.
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 20 def initialize(code, filename, dir, **) @options = @filename = filename @dir = dir @code = code @code_lines = code.lines @prev_token = nil @tokens = Ripper.lex(code).reverse! @sexp = Ripper.sexp(code) # ap @tokens ap @sexp if ENV["SHOW_SEXP"] unless @sexp raise ::RubyCrystalCodemod::SyntaxError.new end @indent = 0 @line = 0 @column = 0 @last_was_newline = true @output = +"" # The column of a `obj.method` call, so we can align # calls to that dot @dot_column = nil # Same as above, but the column of the original dot, not # the one we finally wrote @original_dot_column = nil # Did this line already set the `@dot_column` variable? @line_has_dot_column = nil # The column of a `obj.method` call, but only the name part, # so we can also align arguments accordingly @name_dot_column = nil # Heredocs list, associated with calls ([heredoc, tilde]) @heredocs = [] # Current node, to be able to associate it to heredocs @current_node = nil # The current heredoc being printed @current_heredoc = nil # The current hash or call or method that has hash-like parameters @current_hash = nil @current_type = nil # Are we inside a type body? @inside_type_body = false # Map lines to commands that start at the begining of a line with the following info: # - line indent # - first param indent # - first line ends with '(', '[' or '{'? # - line of matching pair of the previous item # - last line of that call # # This is needed to dedent some calls that look like this: # # foo bar( # 2, # ) # # Without the dedent it would normally look like this: # # foo bar( # 2, # ) # # Because the formatter aligns this to the first parameter in the call. # However, for these cases it's better to not align it like that. @line_to_call_info = {} # Lists [first_line, last_line, indent] of lines that need an indent because # of alignment of literals. For example this:# # # foo [ # 1, # ] # # is normally formatted to: # # foo [ # 1, # ] # # However, if it's already formatted like the above we preserve it. @literal_indents = [] # First non-space token in this line @first_token_in_line = nil # Do we want to compute the above? @want_first_token_in_line = false # Each line that belongs to a string literal besides the first # go here, so we don't break them when indenting/dedenting stuff @unmodifiable_string_lines = {} # Position of comments that occur at the end of a line @comments_positions = [] # Token for the last comment found @last_comment = nil # Actual column of the last comment written @last_comment_column = nil # Associate lines to alignments # Associate a line to an index inside @comments_position # becuase when aligning something to the left of a comment # we need to adjust the relative comment @line_to_alignments_positions = Hash.new { |h, k| h[k] = [] } # Position of assignments @assignments_positions = [] # Range of assignment (line => end_line) # # We need this because when we have to format: # # ``` # abc = 1 # a = foo bar: 2 # baz: # # ``` # # Because we'll insert two spaces after `a`, this will # result in a mis-alignment for baz (and possibly other lines # below it). So, we remember the line ranges of an assignment, # and once we align the first one we fix the other ones. @assignments_ranges = {} # Case when positions @case_when_positions = [] # Declarations that are written in a single line, like: # # def foo; 1; end # # We want to track these because we allow consecutive inline defs # to be together (without an empty line between them) # # This is [[line, original_line], ...] @inline_declarations = [] # This is used to track how far deep we are in the AST. # This is useful as it allows you to check if you are inside an array # when dealing with heredocs. @node_level = 0 # This represents the node level of the most recent literal elements list. # It is used to track if we are in a list of elements so that commas # can be added appropriately for heredocs for example. @literal_elements_level = nil @store_logs = false @logs = [] init_settings() end |
Instance Attribute Details
#logs ⇒ Object
Returns the value of attribute logs.
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 10 def logs @logs end |
Class Method Details
.format(code, filename, dir, **options) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 14 def self.format(code, filename, dir, **) formatter = new(code, filename, dir, **) formatter.format formatter.result end |
Instance Method Details
#adjust_other_alignments(scope, line, column, offset) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4170 def adjust_other_alignments(scope, line, column, offset) adjustments = @line_to_alignments_positions[line] return unless adjustments adjustments.each do |key, adjustment_column, target, index| next if adjustment_column <= column next if scope == key target[index][1] += offset if target[index] end end |
#bug(msg) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3919 def bug(msg) raise RubyCrystalCodemod::Bug.new("#{msg} at #{current_token}") end |
#capture_output ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3821 def capture_output old_output = @output @output = +"" yield result = @output @output = old_output result end |
#check(kind) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3913 def check(kind) if current_token_kind != kind bug "Expected token #{kind}, not #{current_token_kind}" end end |
#check_heredocs_in_literal_elements(is_last, wrote_comma) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3131 def check_heredocs_in_literal_elements(is_last, wrote_comma) if (newline? || comment?) && !@heredocs.empty? if is_last && trailing_commas write "," unless wrote_comma wrote_comma = true end flush_heredocs end wrote_comma end |
#comma? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3962 def comma? current_token_kind == :on_comma end |
#comment? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3954 def comment? current_token_kind == :on_comment end |
#consume_block_args(args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1743 def consume_block_args(args) if args consume_space_or_newline # + 1 because of |...| # ^ indent(@column + 1) do visit args end end end |
#consume_call_dot ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1073 def consume_call_dot if current_token_kind == :on_op consume_token :on_op else consume_token :on_period end end |
#consume_embedded_comment ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3693 def consume_token_value current_token_value next_token while current_token_kind != :on_embdoc_end consume_token_value current_token_value next_token end consume_token_value current_token_value.rstrip next_token end |
#consume_end ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3706 def consume_end return unless current_token_kind == :on___end__ line = current_token_line write_line unless @output.empty? consume_token :on___end__ lines = @code.lines[line..-1] lines.each do |current_line| write current_line.chomp write_line end end |
#consume_end_of_line(at_prefix: false, want_semicolon: false, want_multiline: true, needs_two_lines_on_comment: false, first_space: nil) ⇒ Object
Consume and print an end of line, handling semicolons and comments
-
at_prefix: are we at a point before an expression? (if so, we don’t need a space before the first comment)
-
want_semicolon: do we want do print a semicolon to separate expressions?
-
want_multiline: do we want multiple lines to appear, or at most one?
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3513 def consume_end_of_line(at_prefix: false, want_semicolon: false, want_multiline: true, needs_two_lines_on_comment: false, first_space: nil) found_newline = false # Did we find any newline during this method? found_comment_after_newline = false # Did we find a comment after some newline? last = nil # Last token kind found multilple_lines = false # Did we pass through more than one newline? last_comment_has_newline = false # Does the last comment has a newline? newline_count = 0 # Number of newlines we passed last_space = first_space # Last found space loop do case current_token_kind when :on_sp # Ignore spaces last_space = current_token next_token when :on_nl, :on_ignored_nl # I don't know why but sometimes a on_ignored_nl # can appear with nil as the "text", and that's wrong if current_token[2].nil? next_token next end if last == :newline # If we pass through consecutive newlines, don't print them # yet, but remember this fact multilple_lines = true unless last_comment_has_newline else # If we just printed a comment that had a newline, # we must print two newlines because we remove newlines from comments (rstrip call) write_line if last == :comment && last_comment_has_newline multilple_lines = true else multilple_lines = false end end found_newline = true next_token last = :newline newline_count += 1 when :on_semicolon next_token # If we want to print semicolons and we didn't find a newline yet, # print it, but only if it's not followed by a newline if !found_newline && want_semicolon && last != :semicolon skip_space kind = current_token_kind unless [:on_ignored_nl, :on_eof].include?(kind) return if (kind == :on_kw) && (%w[class module def].include?(current_token_value)) write "; " last = :semicolon end end multilple_lines = false when :on_comment if last == :comment # Since we remove newlines from comments, we must add the last # one if it was a comment write_line # If the last comment is in the previous line and it was already # aligned to this comment, keep it aligned. This is useful for # this: # # ``` # a = 1 # some comment # # that continues here # ``` # # We want to preserve it like that and not change it to: # # ``` # a = 1 # some comment # # that continues here # ``` if current_comment_aligned_to_previous_one? write_indent(@last_comment_column) track_comment(match_previous_id: true) else write_indent end else if found_newline if newline_count == 1 && needs_two_lines_on_comment if multilple_lines write_line multilple_lines = false else multilple_lines = true end needs_two_lines_on_comment = false end # Write line or second line if needed write_line if last != :newline || multilple_lines write_indent track_comment(id: @last_was_newline ? true : nil) else # If we didn't find any newline yet, this is the first comment, # so append a space if needed (for example after an expression) unless at_prefix # Preserve whitespace before comment unless we need to align them if last_space write last_space[2] else write_space end end # First we check if the comment was aligned to the previous comment # in the previous line, in order to keep them like that. if current_comment_aligned_to_previous_one? track_comment(match_previous_id: true) else # We want to distinguish comments that appear at the beginning # of a line (which means the line has only a comment) and comments # that appear after some expression. We don't want to align these # and consider them separate entities. So, we use `@last_was_newline` # as an id to distinguish that. # # For example, this: # # # comment 1 # # comment 2 # call # comment 3 # # Should format to: # # # comment 1 # # comment 2 # call # comment 3 # # Instead of: # # # comment 1 # # comment 2 # call # comment 3 # # We still want to track the first two comments to align to the # beginning of the line according to indentation in case they # are not already there. track_comment(id: @last_was_newline ? true : nil) end end end @last_comment = current_token @last_comment_column = @column last_comment_has_newline = current_token_value.end_with?("\n") last = :comment found_comment_after_newline = found_newline multilple_lines = false write current_token_value.rstrip next_token when :on_embdoc_beg if multilple_lines || last == :comment write_line end last = :comment last_comment_has_newline = true else break end end # Output a newline if we didn't do so yet: # either we didn't find a newline and we are at the end of a line (and we didn't just pass a semicolon), # or the last thing was a comment (from which we removed the newline) # or we just passed multiple lines (but printed only one) if (!found_newline && !at_prefix && !(want_semicolon && last == :semicolon)) || last == :comment || (multilple_lines && (want_multiline || found_comment_after_newline)) write_line end end |
#consume_keyword(value) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3490 def consume_keyword(value) check :on_kw if current_token_value != value bug "Expected keyword #{value}, not #{current_token_value}" end write value next_token end |
#consume_op(value) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3499 def consume_op(value) check :on_op if current_token_value != value bug "Expected op #{value}, not #{current_token_value}" end write value next_token end |
#consume_op_or_keyword ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2253 def consume_op_or_keyword # Crystal doesn't have and / or # See: https://crystal-lang.org/reference/syntax_and_semantics/operators.html value = current_token_value case value when "and" value = "&&" when "or" value = "||" end case current_token_kind when :on_op, :on_kw write value next_token else bug "Expected op or kw, not #{current_token_kind}" end end |
#consume_space(want_preserve_whitespace: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3334 def consume_space(want_preserve_whitespace: false) first_space = skip_space if want_preserve_whitespace && !newline? && !comment? && first_space write_space first_space[2] unless @output[-1] == " " skip_space_or_newline else skip_space_or_newline write_space unless @output[-1] == " " end end |
#consume_space_after_command_name ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1572 def consume_space_after_command_name has_backslash, first_space = skip_space_backslash if has_backslash write " \\" write_line write_indent(next_indent) else write_space_using_setting(first_space, :one) end end |
#consume_space_or_newline ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3345 def consume_space_or_newline skip_space if newline? || comment? consume_end_of_line write_indent(next_indent) else consume_space end end |
#consume_token(kind) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3442 def consume_token(kind) check kind value = current_token_value if kind == :on_ident # Some of these might be brittle and change too much, but this shouldn't be an issue, # because any mistakes will be caught by the Crystal type-checker. case value when "__dir__" value = "__DIR__" when "include?" value = "includes?" when "key?" value = "has_key?" when "detect" value = "find" when "collect" value = "map" when "respond_to?" value = "responds_to?" when "length", "count" value = "size" when "attr_accessor" value = "property" when "attr_reader" value = "getter" when "attr_writer" value = "setter" end end consume_token_value(value) next_token end |
#consume_token_value(value) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3477 def consume_token_value(value) write value # If the value has newlines, we need to adjust line and column number_of_lines = value.count("\n") if number_of_lines > 0 @line += number_of_lines last_line_index = value.rindex("\n") @column = value.size - (last_line_index + 1) @last_was_newline = @column == 0 end end |
#current_comment_aligned_to_previous_one? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 953 def current_comment_aligned_to_previous_one? @last_comment && @last_comment[0][0] + 1 == current_token_line && @last_comment[0][1] == current_token_column end |
#current_token ⇒ Object
- [1, 0], :on_int, “1”
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3924 def current_token @tokens.last end |
#current_token_column ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3942 def current_token_column current_token[0][1] end |
#current_token_kind ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3928 def current_token_kind tok = current_token tok ? tok[1] : :on_eof end |
#current_token_line ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3938 def current_token_line current_token[0][0] end |
#current_token_value ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3933 def current_token_value tok = current_token tok ? tok[2] : "" end |
#declaration?(exp) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 597 def declaration?(exp) case exp[0] when :def, :class, :module true else false end end |
#dedent_calls ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4060 def dedent_calls return if @line_to_call_info.empty? lines = @output.lines while (line_to_call_info = @line_to_call_info.shift) first_line, call_info = line_to_call_info next unless call_info.size == 5 indent, first_param_indent, needs_dedent, first_paren_end_line, last_line = call_info next unless needs_dedent next unless first_paren_end_line == last_line diff = first_param_indent - indent (first_line + 1..last_line).each do |line| @line_to_call_info.delete(line) next if @unmodifiable_string_lines[line] current_line = lines[line] current_line = current_line[diff..-1] if diff >= 0 # It can happen that this line didn't need an indent because # it simply had a newline if current_line lines[line] = current_line adjust_other_alignments nil, line, 0, -diff end end end @output = lines.join end |
#do_align(components, scope) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4121 def do_align(components, scope) lines = @output.lines # Chunk components that are in consecutive lines chunks = components.chunk_while do |(l1, _c1, i1, id1), (l2, _c2, i2, id2)| l1 + 1 == l2 && i1 == i2 && id1 == id2 end chunks.each do |elements| next if elements.size == 1 max_column = elements.map { |_l, c| c }.max elements.each do |(line, column, _, _, offset)| next if column == max_column split_index = column split_index -= offset if offset target_line = lines[line] before = target_line[0...split_index] after = target_line[split_index..-1] filler_size = max_column - column filler = " " * filler_size # Move all lines affected by the assignment shift if scope == :assign && (range = @assignments_ranges[line]) (line + 1..range).each do |line_number| lines[line_number] = "#{filler}#{lines[line_number]}" # And move other elements too if applicable adjust_other_alignments scope, line_number, column, filler_size end end # Move comments to the right if a change happened if scope != :comment adjust_other_alignments scope, line, column, filler_size end lines[line] = "#{before}#{filler}#{after}" end end @output = lines.join end |
#do_align_case_when ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4117 def do_align_case_when do_align @case_when_positions, :case end |
#empty_body?(body) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3436 def empty_body?(body) body[0] == :bodystmt && body[1].size == 1 && body[1][0][0] == :void_stmt end |
#empty_params?(node) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2408 def empty_params?(node) _, a, b, c, d, e, f, g = node !a && !b && !c && !d && !e && !f && !g end |
#find_closing_brace_token ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3974 def find_closing_brace_token count = 0 i = @tokens.size - 1 while i >= 0 token = @tokens[i] _, kind = token case kind when :on_lbrace, :on_tlambeg count += 1 when :on_rbrace count -= 1 return [token, i] if count == 0 end i -= 1 end nil end |
#flush_heredocs ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1477 def flush_heredocs if comment? write_space unless @output[-1] == " " write current_token_value.rstrip next_token write_line if @heredocs.last[1] write_indent(next_indent) end end printed = false until @heredocs.empty? heredoc, tilde = @heredocs.first @heredocs.shift @current_heredoc = [heredoc, tilde] visit_string_literal_end(heredoc) @current_heredoc = nil printed = true end @last_was_heredoc = true if printed end |
#format ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 196 def format visit @sexp consume_end write_line if !@last_was_newline || @output == "" @output.chomp! if @output.end_with?("\n\n") dedent_calls indent_literals do_align_case_when if align_case_when remove_lines_before_inline_declarations end |
#format_simple_string(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 672 def format_simple_string(node) # is it a simple string node? string = simple_string(node) return if !string # is it eligible for formatting? return if !should_format_string?(string) # success! write quote_char next_token with_unmodifiable_string_lines do inner = node[1][1..-1] visit_exps(inner, with_lines: false) end write quote_char next_token true end |
#indent(value = nil) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3721 def indent(value = nil) if value old_indent = @indent @indent = value yield @indent = old_indent else @indent += INDENT_SIZE yield @indent -= INDENT_SIZE end end |
#indent_after_space(node, sticky: false, want_space: true, needed_indent: next_indent, token_column: nil, base_column: nil) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3874 def indent_after_space(node, sticky: false, want_space: true, needed_indent: next_indent, token_column: nil, base_column: nil) skip_space case current_token_kind when :on_ignored_nl, :on_comment indent(needed_indent) do consume_end_of_line end if token_column && base_column && token_column == current_token_column # If the expression is aligned with the one above, keep it like that indent(base_column) do write_indent visit node end else indent(needed_indent) do write_indent visit node end end else if want_space write_space end if sticky indent(@column) do visit node end else visit node end end end |
#indent_body(exps, force_multiline: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3734 def indent_body(exps, force_multiline: false) first_space = skip_space has_semicolon = semicolon? if has_semicolon next_token skip_semicolons first_space = nil end # If an end follows there's nothing to do if keyword?("end") if has_semicolon write "; " else write_space_using_setting(first_space, :one) end return end # A then keyword can appear after a newline after an `if`, `unless`, etc. # Since that's a super weird formatting for if, probably way too obsolete # by now, we just remove it. has_then = keyword?("then") if has_then next_token second_space = skip_space end has_do = keyword?("do") if has_do next_token second_space = skip_space end # If no newline or comment follows, we format it inline. if !force_multiline && !(newline? || comment?) if has_then write " then " elsif has_do write_space_using_setting(first_space, :one, at_least_one: true) write "do" write_space_using_setting(second_space, :one, at_least_one: true) elsif has_semicolon write "; " else write_space_using_setting(first_space, :one, at_least_one: true) end visit_exps exps, with_indent: false, with_lines: false consume_space return end indent do consume_end_of_line(want_multiline: false) end if keyword?("then") next_token skip_space_or_newline end # If the body is [[:void_stmt]] it's an empty body # so there's nothing to write if exps.size == 1 && exps[0][0] == :void_stmt skip_space_or_newline else indent do visit_exps exps, with_indent: true end write_line unless @last_was_newline end end |
#indent_literals ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4094 def indent_literals return if @literal_indents.empty? lines = @output.lines modified_lines = [] @literal_indents.each do |first_line, last_line, indent| (first_line + 1..last_line).each do |line| next if @unmodifiable_string_lines[line] current_line = lines[line] current_line = "#{" " * indent}#{current_line}" unless modified_lines[line] modified_lines[line] = current_line lines[line] = current_line adjust_other_alignments nil, line, 0, indent end end end @output = lines.join end |
#indentable_value?(value) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 933 def indentable_value?(value) return unless current_token_kind == :on_kw case current_token_value when "if", "unless", "case" true when "begin" # Only indent if it's begin/rescue return false unless value[0] == :begin body = value[1] return false unless body[0] == :bodystmt _, _, rescue_body, else_body, ensure_body = body rescue_body || else_body || ensure_body else false end end |
#keyword?(keyword) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3946 def keyword?(keyword) current_token_kind == :on_kw && current_token_value == keyword end |
#last?(index, array) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4019 def last?(index, array) index == array.size - 1 end |
#log(str = "") ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 188 def log(str = "") if @store_logs @logs << str return end puts str end |
#maybe_indent(toggle, indent_size) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3811 def maybe_indent(toggle, indent_size) if toggle indent(indent_size) do yield end else yield end end |
#need_space_for_hash?(node, closing_brace_token) ⇒ Boolean
Check to see if need to add space inside hash literal braces.
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4201 def need_space_for_hash?(node, closing_brace_token) return false unless node[1] left_need_space = current_token_line == node_line(node, beginning: true) right_need_space = closing_brace_token[0][0] == node_line(node, beginning: false) left_need_space && right_need_space end |
#needs_two_lines?(exp) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 578 def needs_two_lines?(exp) kind = exp[0] case kind when :def, :class, :module return true when :vcall # Check if it's private/protected/public nested = exp[1] if nested[0] == :@ident case nested[1] when "private", "protected", "public" return true end end end false end |
#newline? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3950 def newline? current_token_kind == :on_nl || current_token_kind == :on_ignored_nl end |
#next_indent ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3909 def next_indent @indent + INDENT_SIZE end |
#next_token ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3992 def next_token @prev_token = self.current_token @tokens.pop if (newline? || comment?) && !@heredocs.empty? flush_heredocs end # First first token in newline if requested if @want_first_token_in_line && @prev_token && (@prev_token[1] == :on_nl || @prev_token[1] == :on_ignored_nl) @tokens.reverse_each do |token| case token[1] when :on_sp next else @first_token_in_line = token break end end end end |
#next_token_no_heredoc_check ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4015 def next_token_no_heredoc_check @tokens.pop end |
#node_line(node, beginning: true) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4210 def node_line(node, beginning: true) # get line of node, it is only used in visit_hash right now, # so handling the following node types is enough. case node.first when :hash, :string_literal, :symbol_literal, :symbol, :vcall, :string_content, :assoc_splat, :var_ref node_line(node[1], beginning: beginning) when :assoc_new if beginning node_line(node[1], beginning: beginning) else if node.last == [:string_literal, [:string_content]] || node.last == [:hash, nil] # there's no line number for [:string_literal, [:string_content]] or [:hash, nil] node_line(node[1], beginning: beginning) else node_line(node.last, beginning: beginning) end end when :assoclist_from_args node_line(beginning ? node[1][0] : node[1].last, beginning: beginning) when :dyna_symbol if node[1][0].is_a?(Symbol) node_line(node[1], beginning: beginning) else node_line(node[1][0], beginning: beginning) end when :@label, :@int, :@ident, :@tstring_content, :@kw node[2][0] end end |
#parse_require_path_from_ruby_code(_node, _ident, _next_level) ⇒ Object
Parses any Ruby code, and attempts to evaluate it
require File.('./nested_require', File.dirname(__FILE__))
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1207 def parse_require_path_from_ruby_code(_node, _ident, _next_level) crystal_path = nil (line_no, column_no), _kind = current_token # Need to figure out all of the Ruby code to execute, which may span across multiple lines. # (This heuristic probably won't work for all valid Ruby code, but it's a good start.) paren_count = 0 require_tokens = [] @tokens.reverse_each.with_index do |token, i| next if i == 0 _, name = token case name when :on_nl, :on_semicolon break if paren_count == 0 next if paren_count == 1 when :on_lparen paren_count += 1 when :on_rparen paren_count -= 1 end require_tokens << token[2] end require_string = require_tokens.join("").strip show_error_divider("\n") log "WARNING: require statements can only use strings in Crystal. Error at line #{line_no}:#{column_no}:" log log "#{require_string}" log unless require_string.include?("File.") log "===> require args do not start with 'File.', so not attempting to evaluate the code.\n" show_requiring_files_docs return false end show_requiring_files_docs log "\n==> Attempting to expand and evaluate the Ruby require path..." # Expand __dir__ and __FILE__ into absolute paths = File.(@dir) = File.(@filename) = require_string .gsub("__dir__", "\"#{}\"") .gsub("__FILE__", "\"#{}\"") log "====> Expanded __dir__ and __FILE__: #{}" evaluated_path = nil begin log "====> Evaluating Ruby code: #{}" # rubocop:disable Security/Eval evaluated_path = eval() # rubocop:enable Security/Eval rescue StandardError => e log "ERROR: We tried to evaluate and expand the path, but it crashed with an error:" log e end if evaluated_path == nil || evaluated_path == "" log "ERROR: We tried to evaluate and expand the path, but it didn't return anything." elsif !evaluated_path.is_a?(String) log "====> Evaluated path was not a string! Please fix this require statement manually." log "====> Result of Ruby evaluation: #{evaluated_path}" return nil else if !evaluated_path.to_s.match?(/\.rb$/) evaluated_path = "#{evaluated_path}.rb" end log "====> Evaluated Ruby path: #{evaluated_path}" if File.exist?(evaluated_path) = File.(evaluated_path) crystal_path = .sub("#{Dir.getwd}/", "").sub(/\.rb$/, "") log "======> Successfully expanded the require path and found the file: #{evaluated_path}" log "======> Crystal require: #{crystal_path}" else log "======> ERROR: Could not find #{evaluated_path}! Please fix this require statement manually." end end if crystal_path.nil? || crystal_path == "" log "ERROR: Couldn't parse and evaluate the Ruby require statement! Please update the require statement manually." return nil end show_error_divider("", "\n") crystal_path end |
#parse_simple_require_path(_node, _ident, next_level) ⇒ Object
Parses:
require "test"
require_relative "test"
require_relative("test")
require("test")
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1303 def parse_simple_require_path(_node, _ident, next_level) return unless next_level.is_a?(Array) if next_level[0] == :arg_paren return unless (next_level = next_level[1]) && next_level.is_a?(Array) end return unless next_level[0] == :args_add_block && (next_level = next_level[1]) && next_level.is_a?(Array) return unless (next_level = next_level[0]) && next_level.is_a?(Array) return unless next_level[0] == :string_literal && (next_level = next_level[1]) && next_level.is_a?(Array) return unless next_level[0] == :string_content && (next_level = next_level[1]) && next_level.is_a?(Array) if next_level[0] == :string_embexpr show_error_divider("\n") (line_no, column_no), _kind = current_token log "ERROR: String interpolation is not supported for Crystal require statements! " \ "Please update the require statement manually." log "Error at line #{line_no}:#{column_no}:" log log @code_lines[line_no - 1] log show_requiring_files_docs show_error_divider("", "\n") return false end return unless next_level[0] == :@tstring_content && (next_level = next_level[1]) && next_level.is_a?(String) next_level end |
#push_call(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4023 def push_call(node) push_node(node) do # A call can specify hash arguments so it acts as a # hash for key alignment purposes push_hash(node) do yield end end end |
#push_hash(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4042 def push_hash(node) old_hash = @current_hash @current_hash = node yield @current_hash = old_hash end |
#push_node(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4033 def push_node(node) old_node = @current_node @current_node = node yield @current_node = old_node end |
#push_type(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4049 def push_type(node) old_type = @current_type @current_type = node yield @current_type = old_type end |
#quote_char ⇒ Object
Which quote character are we using?
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 655 def quote_char (quote_style == :double) ? '"' : "'" end |
#remove_current_command_from_tokens ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1372 def remove_current_command_from_tokens paren_count = 0 loop do token = @tokens.last raise "[Infinite loop bug] Ran out of tokens!" unless token _, name = token case name when :on_nl, :on_semicolon if paren_count == 0 @tokens.pop break end when :on_lparen paren_count += 1 when :on_rparen paren_count -= 1 end @tokens.pop end end |
#remove_lines_before_inline_declarations ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4182 def remove_lines_before_inline_declarations return if @inline_declarations.empty? lines = @output.lines @inline_declarations.reverse.each_cons(2) do |(after, after_original), (before, before_original)| if before + 2 == after && before_original + 1 == after_original && lines[before + 1].strip.empty? lines.delete_at(before + 1) end end @output = lines.join end |
#replace_require_statement(node, ident, args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1393 def replace_require_statement(node, ident, args) # RubyCrystalCodemod doesn't replace single quotes with double quotes for require statements, so # we have to fix that manually here. (The double quote replacement seems to work everywhere else.) require_path = require_path_from_args(node, ident, args) return false if require_path == false unless require_path show_error_divider("\n") (line_no, column_no), _kind = current_token log "ERROR: Couldn't find a valid path argument for require! Error at line #{line_no}:#{column_no}:" log log @code_lines[line_no - 1] log show_requiring_files_docs show_error_divider("", "\n") return false end if ident == "require_relative" && !require_path.match?(/^..\//) && !require_path.match?(/^.\//) require_path = "./#{require_path}" end crystal_path = require_path # Rewrite all the tokens with the Crystal require statement. remove_current_command_from_tokens @tokens += [ [[0, 0], :on_nl, "\n", nil], [[0, 0], :on_tstring_end, '"', nil], [[0, 0], :on_tstring_content, crystal_path, nil], [[0, 0], :on_tstring_beg, '"', nil], [[0, 0], :on_sp, " ", nil], [[0, 0], :on_ident, "require", nil], ] node = [:command, [:@ident, "require", [0, 0]], [:args_add_block, [[:string_literal, [:string_content, [:@tstring_content, crystal_path, [0, 0]]]]], false]] _, name, args = node base_column = current_token_column push_call(node) do visit name consume_space_after_command_name end push_call(node) do visit_command_args(args, base_column) end true end |
#require_path_from_args(node, ident, args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1332 def require_path_from_args(node, ident, args) simple_path = parse_simple_require_path(node, ident, args) return false if simple_path == false if simple_path # We now know that this was a simple string arg (either in parens, or after a space) # So now we need to see if it's a single or double quoted string. quote_char = nil @tokens.reverse_each.with_index do |token, _i| (_line_no, _column_no), kind = token case kind when :on_tstring_beg quote_char = token[2] when :on_nl break end end unless quote_char raise "Couldn't figure out the quote type for this string!" end # Now fix the quote escaping if quote_char == "'" simple_path = simple_path.gsub('"', "\\\"").gsub("\\'", "'") end return simple_path end parse_require_path_from_ruby_code(node, ident, args) end |
#result ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4196 def result @output end |
#semicolon? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3958 def semicolon? current_token_kind == :on_semicolon end |
#should_format_string?(string) ⇒ Boolean
should we format this string according to :quote_style?
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 660 def should_format_string?(string) # don't format %q or %Q return unless current_token_value == "'" || current_token_value == '"' # don't format strings containing slashes return if string.include?("\\") # don't format strings that contain our quote character return if string.include?(quote_char) return if string.include?('#{') return if string.include?('#$') true end |
#show_error_divider(prefix = "", suffix = "") ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1368 def show_error_divider(prefix = "", suffix = "") log "#{prefix}-------------------------------------------------------------------------------\n#{suffix}" end |
#show_requiring_files_docs ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1363 def show_requiring_files_docs log "===> Read the 'Requiring files' page in the Crystal docs:" log "===> https://crystal-lang.org/reference/syntax_and_semantics/requiring_files.html" end |
#simple_string(node) ⇒ Object
For simple string formatting, look for nodes like:
[:string_literal, [:string_content, [:@tstring_content, "abc", [...]]]]
and return the simple string inside.
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 644 def simple_string(node) inner = node[1][1..-1] return if inner.length > 1 inner = inner[0] return "" if !inner return if inner[0] != :@tstring_content string = inner[1] string end |
#skip_ignored_space ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3361 def skip_ignored_space next_token while current_token_kind == :on_ignored_sp end |
#skip_semicolons ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3430 def skip_semicolons while semicolon? || space? next_token end end |
#skip_space ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3355 def skip_space first_space = space? ? current_token : nil next_token while space? first_space end |
#skip_space_backslash ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3373 def skip_space_backslash return [false, false] unless space? first_space = current_token has_slash_newline = false while space? has_slash_newline ||= current_token_value == "\\\n" next_token end [has_slash_newline, first_space] end |
#skip_space_no_heredoc_check ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3365 def skip_space_no_heredoc_check first_space = space? ? current_token : nil while space? next_token_no_heredoc_check end first_space end |
#skip_space_or_newline(_want_semicolon: false, write_first_semicolon: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3385 def skip_space_or_newline(_want_semicolon: false, write_first_semicolon: false) found_newline = false found_comment = false found_semicolon = false last = nil loop do case current_token_kind when :on_sp next_token when :on_nl, :on_ignored_nl next_token last = :newline found_newline = true when :on_semicolon if (!found_newline && !found_comment) || (!found_semicolon && write_first_semicolon) write "; " end next_token last = :semicolon found_semicolon = true when :on_comment write_line if last == :newline write_indent if found_comment if current_token_value.end_with?("\n") write_space write current_token_value.rstrip write "\n" write_indent(next_indent) @column = next_indent else write current_token_value end next_token found_comment = true last = :comment else break end end found_semicolon end |
#skip_space_or_newline_using_setting(setting, indent_size = @indent) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3850 def skip_space_or_newline_using_setting(setting, indent_size = @indent) indent(indent_size) do first_space = skip_space if newline? || comment? consume_end_of_line(want_multiline: false, first_space: first_space) write_indent else write_space_using_setting(first_space, setting) end end end |
#space? ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3966 def space? current_token_kind == :on_sp end |
#to_ary(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 4056 def to_ary(node) node[0].is_a?(Symbol) ? [node] : node end |
#track_alignment(key, target, offset = 0, id = nil) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 976 def track_alignment(key, target, offset = 0, id = nil) last = target.last if last && last[0] == @line # Track only the first alignment in a line return end @line_to_alignments_positions[@line] << [key, @column, target, target.size] info = [@line, @column, @indent, id, offset] target << info info end |
#track_assignment(offset = 0) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 968 def track_assignment(offset = 0) track_alignment :assign, @assignments_positions, offset end |
#track_case_when ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 972 def track_case_when track_alignment :case_whem, @case_when_positions end |
#track_comment(id: nil, match_previous_id: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 959 def track_comment(id: nil, match_previous_id: false) if match_previous_id && !@comments_positions.empty? id = @comments_positions.last[3] end @line_to_alignments_positions[@line] << [:comment, @column, @comments_positions, @comments_positions.size] @comments_positions << [@line, @column, 0, id, 0] end |
#visit(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 208 def visit(node) @node_level += 1 unless node.is_a?(Array) bug "unexpected node: #{node} at #{current_token}" end case node.first when :program # Topmost node # # [:program, exps] visit_exps node[1], with_indent: true when :void_stmt # Empty statement # # [:void_stmt] skip_space_or_newline when :@int # Integer literal # # [:@int, "123", [1, 0]] consume_token :on_int when :@float # Float literal # # [:@int, "123.45", [1, 0]] consume_token :on_float when :@rational # Rational literal # # [:@rational, "123r", [1, 0]] consume_token :on_rational when :@imaginary # Imaginary literal # # [:@imaginary, "123i", [1, 0]] consume_token :on_imaginary when :@CHAR # [:@CHAR, "?a", [1, 0]] consume_token :on_CHAR when :@gvar # [:@gvar, "$abc", [1, 0]] write node[1] next_token when :@backref # [:@backref, "$1", [1, 0]] write node[1] next_token when :@backtick # [:@backtick, "`", [1, 4]] consume_token :on_backtick when :string_literal, :xstring_literal visit_string_literal node when :string_concat visit_string_concat node when :@tstring_content # [:@tstring_content, "hello ", [1, 1]] heredoc, tilde = @current_heredoc looking_at_newline = current_token_kind == :on_tstring_content && current_token_value == "\n" if heredoc && tilde && !@last_was_newline && looking_at_newline check :on_tstring_content consume_token_value(current_token_value) next_token else # For heredocs with tilde we sometimes need to align the contents if heredoc && tilde && @last_was_newline unless (current_token_value == "\n" || current_token_kind == :on_heredoc_end) write_indent(next_indent) end skip_ignored_space if current_token_kind == :on_tstring_content check :on_tstring_content consume_token_value(current_token_value) next_token end else while (current_token_kind == :on_ignored_sp) || (current_token_kind == :on_tstring_content) || (current_token_kind == :on_embexpr_beg) check current_token_kind break if current_token_kind == :on_embexpr_beg consume_token current_token_kind end end end when :string_content # [:string_content, exp] visit_exps node[1..-1], with_lines: false when :string_embexpr # String interpolation piece ( #{exp} ) visit_string_interpolation node when :string_dvar visit_string_dvar(node) when :symbol_literal visit_symbol_literal(node) when :symbol visit_symbol(node) when :dyna_symbol visit_quoted_symbol_literal(node) when :@ident consume_token :on_ident when :var_ref # [:var_ref, exp] visit node[1] when :var_field # [:var_field, exp] visit node[1] when :@kw # [:@kw, "nil", [1, 0]] consume_token :on_kw when :@ivar # [:@ivar, "@foo", [1, 0]] consume_token :on_ivar when :@cvar # [:@cvar, "@@foo", [1, 0]] consume_token :on_cvar when :@const # [:@const, "FOO", [1, 0]] consume_token :on_const when :const_ref # [:const_ref, [:@const, "Foo", [1, 8]]] visit node[1] when :top_const_ref # [:top_const_ref, [:@const, "Foo", [1, 2]]] consume_op "::" skip_space_or_newline visit node[1] when :top_const_field # [:top_const_field, [:@const, "Foo", [1, 2]]] consume_op "::" visit node[1] when :const_path_ref visit_path(node) when :const_path_field visit_path(node) when :assign visit_assign(node) when :opassign visit_op_assign(node) when :massign visit_multiple_assign(node) when :ifop visit_ternary_if(node) when :if_mod visit_suffix(node, "if") when :unless_mod visit_suffix(node, "unless") when :while_mod visit_suffix(node, "while") when :until_mod visit_suffix(node, "until") when :rescue_mod visit_suffix(node, "rescue") when :vcall # [:vcall, exp] visit node[1] when :fcall # [:fcall, [:@ident, "foo", [1, 0]]] visit node[1] when :command visit_command(node) when :command_call visit_command_call(node) when :args_add_block visit_call_args(node) when :args_add_star visit_args_add_star(node) when :bare_assoc_hash # [:bare_assoc_hash, exps] # Align hash elements to the first key indent(@column) do visit_comma_separated_list node[1] end when :method_add_arg visit_call_without_receiver(node) when :method_add_block visit_call_with_block(node) when :call visit_call_with_receiver(node) when :brace_block visit_brace_block(node) when :do_block visit_do_block(node) when :block_var visit_block_arguments(node) when :begin visit_begin(node) when :bodystmt visit_bodystmt(node) when :if visit_if(node) when :unless visit_unless(node) when :while visit_while(node) when :until visit_until(node) when :case visit_case(node) when :when visit_when(node) when :unary visit_unary(node) when :binary visit_binary(node) when :class visit_class(node) when :module visit_module(node) when :mrhs_new_from_args visit_mrhs_new_from_args(node) when :mlhs_paren visit_mlhs_paren(node) when :mlhs visit_mlhs(node) when :mrhs_add_star visit_mrhs_add_star(node) when :def visit_def(node) when :defs visit_def_with_receiver(node) when :paren visit_paren(node) when :params visit_params(node) when :array visit_array(node) when :hash visit_hash(node) when :assoc_new visit_hash_key_value(node) when :assoc_splat visit_splat_inside_hash(node) when :@label # [:@label, "foo:", [1, 3]] write node[1] next_token when :dot2 visit_range(node, true) when :dot3 visit_range(node, false) when :regexp_literal visit_regexp_literal(node) when :aref visit_array_access(node) when :aref_field visit_array_setter(node) when :sclass visit_sclass(node) when :field visit_setter(node) when :return0 consume_keyword "return" when :return visit_return(node) when :break visit_break(node) when :next visit_next(node) when :yield0 consume_keyword "yield" when :yield visit_yield(node) when :@op # [:@op, "*", [1, 1]] write node[1] next_token when :lambda visit_lambda(node) when :zsuper # [:zsuper] consume_keyword "super" when :super visit_super(node) when :defined visit_defined(node) when :alias, :var_alias visit_alias(node) when :undef visit_undef(node) when :mlhs_add_star visit_mlhs_add_star(node) when :rest_param visit_rest_param(node) when :kwrest_param visit_kwrest_param(node) when :retry # [:retry] consume_keyword "retry" when :redo # [:redo] consume_keyword "redo" when :for visit_for(node) when :BEGIN visit_begin_node(node) when :END visit_end_node(node) else bug "Unhandled node: #{node.first}" end ensure @node_level -= 1 end |
#visit_alias(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2997 def visit_alias(node) # [:alias, from, to] _, from, to = node consume_keyword "alias" consume_space visit from consume_space visit to end |
#visit_args_add_star(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1833 def visit_args_add_star(node) # [:args_add_star, args, star, post_args] _, args, star, *post_args = node if newline? || comment? needs_indent = true base_column = next_indent else base_column = @column end if !args.empty? && args[0] == :args_add_star # arg1, ..., *star visit args elsif !args.empty? visit_comma_separated_list args else consume_end_of_line if needs_indent end skip_space write_params_comma if comma? write_indent(base_column) if needs_indent consume_op "*" skip_space_or_newline visit star if post_args && !post_args.empty? write_params_comma visit_comma_separated_list post_args, needs_indent: needs_indent, base_column: base_column end end |
#visit_array(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2524 def visit_array(node) # [:array, elements] # Check if it's `%w(...)` or `%i(...)` case current_token_kind when :on_qwords_beg, :on_qsymbols_beg, :on_words_beg, :on_symbols_beg visit_q_or_i_array(node) return end _, elements = node token_column = current_token_column check :on_lbracket write "[" next_token if elements visit_literal_elements to_ary(elements), inside_array: true, token_column: token_column else skip_space_or_newline end check :on_rbracket write "]" next_token end |
#visit_array_access(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2736 def visit_array_access(node) # exp[arg1, ..., argN] # # [:aref, name, args] _, name, args = node visit_array_getter_or_setter name, args end |
#visit_array_getter_or_setter(name, args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2755 def visit_array_getter_or_setter(name, args) visit name token_column = current_token_column skip_space check :on_lbracket write "[" next_token column = @column first_space = skip_space # Sometimes args comes with an array... if args && args[0].is_a?(Array) visit_literal_elements args, token_column: token_column else if newline? || comment? needed_indent = next_indent if args consume_end_of_line write_indent(needed_indent) else skip_space_or_newline end else write_space_using_setting(first_space, :never) needed_indent = column end if args indent(needed_indent) do visit args end end end skip_space_or_newline_using_setting(:never) check :on_rbracket write "]" next_token end |
#visit_array_setter(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2745 def visit_array_setter(node) # exp[arg1, ..., argN] # (followed by `=`, though not included in this node) # # [:aref_field, name, args] _, name, args = node visit_array_getter_or_setter name, args end |
#visit_assign(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 848 def visit_assign(node) # target = value # # [:assign, target, value] _, target, value = node line = @line visit target consume_space track_assignment consume_op "=" visit_assign_value value @assignments_ranges[line] = @line if @line != line end |
#visit_assign_value(value) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 914 def visit_assign_value(value) has_slash_newline, _first_space = skip_space_backslash sticky = indentable_value?(value) # Remove backslash after equal + newline (it's useless) if has_slash_newline skip_space_or_newline write_line indent(next_indent) do write_indent visit(value) end else indent_after_space value, sticky: sticky, want_space: true end end |
#visit_begin(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1866 def visit_begin(node) # begin # body # end # # [:begin, [:bodystmt, body, rescue_body, else_body, ensure_body]] consume_keyword "begin" visit node[1] end |
#visit_begin_node(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2046 def visit_begin_node(node) visit_begin_or_end node, "BEGIN" end |
#visit_begin_or_end(node, keyword) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2054 def visit_begin_or_end(node, keyword) # [:BEGIN, body] _, body = node consume_keyword(keyword) consume_space closing_brace_token, _index = find_closing_brace_token # If the whole block fits into a single line, format # in a single line if current_token_line == closing_brace_token[0][0] consume_token :on_lbrace consume_space visit_exps body, with_lines: false consume_space consume_token :on_rbrace else consume_token :on_lbrace indent_body body write_indent consume_token :on_rbrace end end |
#visit_binary(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2203 def visit_binary(node) # [:binary, left, op, right] _, left, _, right = node # If this binary is not at the beginning of a line, if there's # a newline following the op we want to align it with the left # value. So for example: # # var = left_exp || # right_exp # # But: # # def foo # left_exp || # right_exp # end needed_indent = @column == @indent ? next_indent : @column base_column = @column token_column = current_token_column visit left needs_space = space? has_backslash, _ = skip_space_backslash if has_backslash needs_space = true write " \\" write_line write_indent(next_indent) else write_space end consume_op_or_keyword skip_space if newline? || comment? indent_after_space right, want_space: needs_space, needed_indent: needed_indent, token_column: token_column, base_column: base_column else write_space visit right end end |
#visit_block_arguments(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1754 def visit_block_arguments(node) # [:block_var, params, local_params] _, params, local_params = node empty_params = empty_params?(params) check :on_op # check for || if empty_params && !local_params # Don't write || as it's meaningless if current_token_value == "|" next_token skip_space_or_newline check :on_op next_token else next_token end return end consume_token :on_op found_semicolon = skip_space_or_newline(_want_semicolon: true, write_first_semicolon: true) if found_semicolon # Nothing elsif empty_params && local_params consume_token :on_semicolon end skip_space_or_newline unless empty_params visit params skip_space end if local_params if semicolon? consume_token :on_semicolon consume_space end visit_comma_separated_list local_params else skip_space_or_newline end consume_op "|" end |
#visit_bodystmt(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1876 def visit_bodystmt(node) # [:bodystmt, body, rescue_body, else_body, ensure_body] # [:bodystmt, [[:@int, "1", [2, 1]]], nil, [[:@int, "2", [4, 1]]], nil] (2.6.0) _, body, rescue_body, else_body, ensure_body = node @inside_type_body = false line = @line indent_body body while rescue_body # [:rescue, type, name, body, more_rescue] _, type, name, body, more_rescue = rescue_body write_indent consume_keyword "rescue" if type skip_space write_space indent(@column) do visit_rescue_types(type) end end if name skip_space write_space consume_op "=>" skip_space write_space visit name end indent_body body rescue_body = more_rescue end if else_body # [:else, body] # [[:@int, "2", [4, 1]]] (2.6.0) write_indent consume_keyword "else" else_body = else_body[1] if else_body[0] == :else indent_body else_body end if ensure_body # [:ensure, body] write_indent consume_keyword "ensure" indent_body ensure_body[1] end write_indent if @line != line consume_keyword "end" end |
#visit_brace_block(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1672 def visit_brace_block(node) # [:brace_block, args, body] _, args, body = node # This is for the empty `{ }` block if void_exps?(body) consume_token :on_lbrace consume_block_args args consume_space consume_token :on_rbrace return end closing_brace_token, _ = find_closing_brace_token # If the whole block fits into a single line, use braces if current_token_line == closing_brace_token[0][0] consume_token :on_lbrace consume_block_args args consume_space visit_exps body, with_lines: false while semicolon? next_token end consume_space consume_token :on_rbrace return end # Otherwise it's multiline consume_token :on_lbrace consume_block_args args if (call_info = @line_to_call_info[@line]) call_info << true end indent_body body, force_multiline: true write_indent # If the closing bracket matches the indent of the first parameter, # keep it like that. Otherwise dedent. if call_info && call_info[1] != current_token_column call_info << @line end consume_token :on_rbrace end |
#visit_break(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2853 def visit_break(node) # [:break, exp] visit_control_keyword node, "break" end |
#visit_call_args(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1806 def visit_call_args(node) # [:args_add_block, args, block] _, args, block_arg = node if !args.empty? && args[0] == :args_add_star # arg1, ..., *star visit args else visit_comma_separated_list args end if block_arg skip_space_or_newline if comma? indent(next_indent) do write_params_comma end end # Block operator changed from &: to &. in Crystal consume_op "&" skip_space_or_newline visit block_arg end end |
#visit_call_at_paren(node, args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1118 def visit_call_at_paren(node, args) consume_token :on_lparen # If there's a trailing comma then comes [:arg_paren, args], # which is a bit unexpected, so we fix it if args[1].is_a?(Array) && args[1][0].is_a?(Array) args_node = [:args_add_block, args[1], false] else args_node = args[1] end if args_node skip_space needs_trailing_newline = newline? || comment? if needs_trailing_newline && (call_info = @line_to_call_info[@line]) call_info << true end want_trailing_comma = true # Check if there's a block arg and if the call ends with hash key/values if args_node[0] == :args_add_block _, args, block_arg = args_node want_trailing_comma = !block_arg if args.is_a?(Array) && (last_arg = args.last) && last_arg.is_a?(Array) && last_arg[0].is_a?(Symbol) && last_arg[0] != :bare_assoc_hash want_trailing_comma = false end end push_call(node) do visit args_node skip_space end found_comma = comma? if found_comma if needs_trailing_newline write "," if trailing_commas && !block_arg next_token indent(next_indent) do consume_end_of_line end write_indent else next_token skip_space end end if newline? || comment? if needs_trailing_newline write "," if trailing_commas && want_trailing_comma indent(next_indent) do consume_end_of_line end write_indent else skip_space_or_newline end else if needs_trailing_newline && !found_comma write "," if trailing_commas && want_trailing_comma consume_end_of_line write_indent end end else skip_space_or_newline end # If the closing parentheses matches the indent of the first parameter, # keep it like that. Otherwise dedent. if call_info && call_info[1] != current_token_column call_info << @line end if @last_was_heredoc write_line end consume_token :on_rparen end |
#visit_call_with_block(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1655 def visit_call_with_block(node) # [:method_add_block, call, block] _, call, block = node visit call consume_space old_dot_column = @dot_column old_original_dot_column = @original_dot_column visit block @dot_column = old_dot_column @original_dot_column = old_original_dot_column end |
#visit_call_with_receiver(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1025 def visit_call_with_receiver(node) # [:call, obj, :".", name] _, obj, _, name = node @dot_column = nil visit obj first_space = skip_space if newline? || comment? consume_end_of_line # If align_chained_calls is off, we still want to preserve alignment if it's already there if align_chained_calls || (@original_dot_column && @original_dot_column == current_token_column) @name_dot_column = @dot_column || next_indent write_indent(@dot_column || next_indent) else # Make sure to reset dot_column so next lines don't align to the first dot @dot_column = next_indent @name_dot_column = next_indent write_indent(next_indent) end else write_space_using_setting(first_space, :no) end # Remember dot column, but only if there isn't one already set unless @dot_column dot_column = @column original_dot_column = current_token_column end consume_call_dot skip_space_or_newline_using_setting(:no, next_indent) if name == :call # :call means it's .() else visit name end # Only set it after we visit the call after the dot, # so we remember the outmost dot position @dot_column = dot_column if dot_column @original_dot_column = original_dot_column if original_dot_column end |
#visit_call_without_receiver(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1081 def visit_call_without_receiver(node) # foo(arg1, ..., argN) # # [:method_add_arg, # [:fcall, [:@ident, "foo", [1, 0]]], # [:arg_paren, [:args_add_block, [[:@int, "1", [1, 6]]], false]]] _, name, args = node if name.is_a?(Array) && name[1].is_a?(Array) ident = name[1][1] case ident when "require", "require_relative" return if replace_require_statement(node, ident, args) end end @name_dot_column = nil visit name # Some times a call comes without parens (should probably come as command, but well...) return if args.empty? # Remember dot column so it's not affected by args dot_column = @dot_column original_dot_column = @original_dot_column want_indent = @name_dot_column && @name_dot_column > @indent maybe_indent(want_indent, @name_dot_column) do visit_call_at_paren(node, args) end # Restore dot column so it's not affected by args @dot_column = dot_column @original_dot_column = original_dot_column end |
#visit_case(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3215 def visit_case(node) # [:case, cond, case_when] _, cond, case_when = node consume_keyword "case" if cond consume_space visit cond end consume_end_of_line write_indent visit case_when write_indent consume_keyword "end" end |
#visit_class(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2273 def visit_class(node) # [:class, # name # superclass # [:bodystmt, body, nil, nil, nil]] _, name, superclass, body = node push_type(node) do consume_keyword "class" skip_space_or_newline write_space visit name if superclass skip_space_or_newline write_space consume_op "<" skip_space_or_newline write_space visit superclass end @inside_type_body = true visit body end end |
#visit_comma_separated_list(nodes, needs_indent: false, base_column: nil) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2079 def visit_comma_separated_list(nodes, needs_indent: false, base_column: nil) if newline? || comment? indent { consume_end_of_line } needs_indent = true base_column = next_indent write_indent(base_column) elsif needs_indent write_indent(base_column) else base_column ||= @column end nodes = to_ary(nodes) nodes.each_with_index do |exp, i| maybe_indent(needs_indent, base_column) do if block_given? yield exp else visit exp end end next if last?(i, nodes) skip_space check :on_comma write "," next_token skip_space_or_newline_using_setting(:one, base_column) end end |
#visit_command(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1447 def visit_command(node) # foo arg1, ..., argN # # [:command, name, args] _, name, args = node if name.is_a?(Array) && name[0] == :@ident ident = name[1] case ident when "require", "require_relative" return if replace_require_statement(node, ident, args) end end base_column = current_token_column push_call(node) do visit name consume_space_after_command_name end visit_command_end(node, args, base_column) end |
#visit_command_args(args, base_column) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1583 def visit_command_args(args, base_column) needed_indent = @column args_is_def_class_or_module = false param_column = current_token_column # Check if there's a single argument and it's # a def, class or module. In that case we don't # want to align the content to the position of # that keyword. if args[0] == :args_add_block nested_args = args[1] if nested_args.is_a?(Array) && nested_args.size == 1 first = nested_args[0] if first.is_a?(Array) case first[0] when :def, :class, :module needed_indent = @indent args_is_def_class_or_module = true end end end end base_line = @line call_info = @line_to_call_info[@line] if call_info call_info = nil else call_info = [@indent, @column] @line_to_call_info[@line] = call_info end old_want_first_token_in_line = @want_first_token_in_line @want_first_token_in_line = true # We align call parameters to the first paramter indent(needed_indent) do visit_exps to_ary(args), with_lines: false end if call_info && call_info.size > 2 # A call like: # # foo, 1, [ # 2, # ] # # would normally be aligned like this (with the first parameter): # # foo, 1, [ # 2, # ] # # However, the first style is valid too and we preserve it if it's # already formatted like that. call_info << @line elsif !args_is_def_class_or_module && @first_token_in_line && param_column == @first_token_in_line[0][1] # If the last line of the call is aligned with the first parameter, leave it like that: # # foo 1, # 2 elsif !args_is_def_class_or_module && @first_token_in_line && base_column + INDENT_SIZE == @first_token_in_line[0][1] # Otherwise, align it just by two spaces (so we need to dedent, we fake a dedent here) # # foo 1, # 2 @line_to_call_info[base_line] = [0, needed_indent - next_indent, true, @line, @line] end @want_first_token_in_line = old_want_first_token_in_line end |
#visit_command_call(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1503 def visit_command_call(node) # [:command_call, # receiver # :".", # name # [:args_add_block, [[:@int, "1", [1, 8]]], block]] _, receiver, _, name, args = node # Check for $: var and LOAD_PATH, which are unsupported in Crystal if receiver[0] == :var_ref && receiver[1][0] == :@gvar # byebug var_name = receiver[1][1] case var_name when "$:", "$LOAD_PATH" show_error_divider("\n") (line_no, column_no), _kind = current_token log "ERROR: Can't use #{var_name} in a Crystal program! Error at line #{line_no}:#{column_no}:" log log @code_lines[line_no - 1] log log "Removing this line from the Crystal code." log "You might be able to replace this with CRYSTAL_PATH if needed." log "See: https://github.com/crystal-lang/crystal/wiki/Compiler-internals#the-compiler-class" show_error_divider("", "\n") remove_current_command_from_tokens return end end # if name.is_a?(Array) && name[0] == :@ident # ident = name[1] # case ident # when "require", "require_relative" # return if replace_require_statement(node, ident, args) # end # end base_column = current_token_column visit receiver skip_space_or_newline # Remember dot column dot_column = @column original_dot_column = @original_dot_column consume_call_dot skip_space if newline? || comment? consume_end_of_line write_indent(next_indent) else skip_space_or_newline end visit name consume_space_after_command_name visit_command_args(args, base_column) # Only set it after we visit the call after the dot, # so we remember the outmost dot position @dot_column = dot_column @original_dot_column = original_dot_column end |
#visit_command_end(node, args, base_column) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1471 def visit_command_end(node, args, base_column) push_call(node) do visit_command_args(args, base_column) end end |
#visit_control_keyword(node, keyword) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2868 def visit_control_keyword(node, keyword) _, exp = node consume_keyword keyword if exp && !exp.empty? consume_space if space? indent(@column) do visit_exps to_ary(node[1]), with_lines: false end end end |
#visit_def(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2317 def visit_def(node) # [:def, # [:@ident, "foo", [1, 6]], # [:params, nil, nil, nil, nil, nil, nil, nil], # [:bodystmt, [[:void_stmt]], nil, nil, nil]] _, name, params, body = node consume_keyword "def" consume_space push_hash(node) do visit_def_from_name name, params, body end end |
#visit_def_from_name(name, params, body) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2355 def visit_def_from_name(name, params, body) visit name params = params[1] if params[0] == :paren skip_space if current_token_kind == :on_lparen next_token skip_space skip_semicolons if empty_params?(params) skip_space_or_newline check :on_rparen next_token write "()" else write "(" if newline? || comment? column = @column indent(column) do consume_end_of_line write_indent visit params end else indent(@column) do visit params end end skip_space_or_newline check :on_rparen write ")" next_token end elsif !empty_params?(params) if parens_in_def == :yes write "(" else write_space end visit params write ")" if parens_in_def == :yes skip_space end visit body end |
#visit_def_with_receiver(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2332 def visit_def_with_receiver(node) # [:defs, # [:vcall, [:@ident, "foo", [1, 5]]], # [:@period, ".", [1, 8]], # [:@ident, "bar", [1, 9]], # [:params, nil, nil, nil, nil, nil, nil, nil], # [:bodystmt, [[:void_stmt]], nil, nil, nil]] _, receiver, _, name, params, body = node consume_keyword "def" consume_space visit receiver skip_space_or_newline consume_call_dot skip_space_or_newline push_hash(node) do visit_def_from_name name, params, body end end |
#visit_defined(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2966 def visit_defined(node) # [:defined, exp] _, exp = node consume_keyword "defined?" has_space = space? if has_space consume_space else skip_space_or_newline end has_paren = current_token_kind == :on_lparen if has_paren && !has_space write "(" next_token skip_space_or_newline end visit exp if has_paren && !has_space skip_space_or_newline check :on_rparen write ")" next_token end end |
#visit_do_block(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1724 def visit_do_block(node) # [:brace_block, args, body] _, args, body = node line = @line consume_keyword "do" consume_block_args args if body.first == :bodystmt visit_bodystmt body else indent_body body write_indent unless @line == line consume_keyword "end" end end |
#visit_end_node(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2050 def visit_end_node(node) visit_begin_or_end node, "END" end |
#visit_exps(exps, with_indent: false, with_lines: true, want_trailing_multiline: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 515 def visit_exps(exps, with_indent: false, with_lines: true, want_trailing_multiline: false) consume_end_of_line(at_prefix: true) line_before_endline = nil exps.each_with_index do |exp, i| next if exp == :string_content exp_kind = exp[0] # Skip voids to avoid extra indentation if exp_kind == :void_stmt next end if with_indent # Don't indent if this exp is in the same line as the previous # one (this happens when there's a semicolon between the exps) unless line_before_endline && line_before_endline == @line write_indent end end line_before_exp = @line original_line = current_token_line push_node(exp) do visit exp end if declaration?(exp) && @line == line_before_exp @inline_declarations << [@line, original_line] end is_last = last?(i, exps) line_before_endline = @line if with_lines exp_needs_two_lines = needs_two_lines?(exp) consume_end_of_line(want_semicolon: !is_last, want_multiline: !is_last || want_trailing_multiline, needs_two_lines_on_comment: exp_needs_two_lines) # Make sure to put two lines before defs, class and others if !is_last && (exp_needs_two_lines || needs_two_lines?(exps[i + 1])) && @line <= line_before_endline + 1 write_line end elsif !is_last skip_space has_semicolon = semicolon? skip_semicolons if newline? write_line write_indent(next_indent) elsif has_semicolon write "; " end skip_space_or_newline end end end |
#visit_for(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2016 def visit_for(node) #[:for, var, collection, body] _, var, collection, body = node line = @line consume_keyword "for" consume_space visit_comma_separated_list to_ary(var) skip_space if comma? check :on_comma write "," next_token skip_space_or_newline end consume_space consume_keyword "in" consume_space visit collection skip_space indent_body body write_indent if @line != line consume_keyword "end" end |
#visit_hash(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2640 def visit_hash(node) # [:hash, elements] _, elements = node token_column = current_token_column closing_brace_token, _ = find_closing_brace_token need_space = need_space_for_hash?(node, closing_brace_token) check :on_lbrace write "{" brace_position = @output.length - 1 write " " if need_space next_token if elements # [:assoclist_from_args, elements] push_hash(node) do visit_literal_elements(elements[1], inside_hash: true, token_column: token_column) end char_after_brace = @output[brace_position + 1] # Check that need_space is set correctly. if !need_space && !["\n", " "].include?(char_after_brace) need_space = true # Add a space in the missing position. @output.insert(brace_position + 1, " ") end else skip_space_or_newline end check :on_rbrace write " " if need_space write "}" next_token end |
#visit_hash_key_value(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2676 def visit_hash_key_value(node) # key => value # # [:assoc_new, key, value] _, key, value = node # If a symbol comes it means it's something like # `:foo => 1` or `:"foo" => 1` and a `=>` # always follows symbol = current_token_kind == :on_symbeg arrow = symbol || !(key[0] == :@label || key[0] == :dyna_symbol) visit key consume_space # Don't output `=>` for keys that are `label: value` # or `"label": value` if arrow consume_op "=>" consume_space end visit value end |
#visit_if(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3143 def visit_if(node) visit_if_or_unless node, "if" end |
#visit_if_or_unless(node, keyword, check_end: true) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3151 def visit_if_or_unless(node, keyword, check_end: true) # if cond # then_body # else # else_body # end # # [:if, cond, then, else] line = @line consume_keyword(keyword) consume_space visit node[1] skip_space indent_body node[2] if (else_body = node[3]) # [:else, else_contents] # [:elsif, cond, then, else] write_indent if @line != line case else_body[0] when :else consume_keyword "else" indent_body else_body[1] when :elsif visit_if_or_unless else_body, "elsif", check_end: false else bug "expected else or elsif, not #{else_body[0]}" end end if check_end write_indent if @line != line consume_keyword "end" end end |
#visit_kwrest_param(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2153 def visit_kwrest_param(node) # [:kwrest_param, name] _, name = node if name skip_space_or_newline visit name end end |
#visit_lambda(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2882 def visit_lambda(node) # [:lambda, [:params, nil, nil, nil, nil, nil, nil, nil], [[:void_stmt]]] # [:lambda, [:params, nil, nil, nil, nil, nil, nil, nil], [[:@int, "1", [2, 2]], [:@int, "2", [3, 2]]]] # [:lambda, [:params, nil, nil, nil, nil, nil, nil, nil], [:bodystmt, [[:@int, "1", [2, 2]], [:@int, "2", [3, 2]]], nil, nil, nil]] (on 2.6.0) _, params, body = node body = body[1] if body[0] == :bodystmt check :on_tlambda write "->" next_token skip_space if empty_params?(params) if current_token_kind == :on_lparen next_token skip_space_or_newline check :on_rparen next_token skip_space_or_newline end else visit params end if void_exps?(body) consume_space consume_token :on_tlambeg consume_space consume_token :on_rbrace return end consume_space brace = current_token_value == "{" if brace closing_brace_token, _ = find_closing_brace_token # Check if the whole block fits into a single line if current_token_line == closing_brace_token[0][0] consume_token :on_tlambeg consume_space visit_exps body, with_lines: false consume_space consume_token :on_rbrace return end consume_token :on_tlambeg else consume_keyword "do" end indent_body body, force_multiline: true write_indent if brace consume_token :on_rbrace else consume_keyword "end" end end |
#visit_literal_elements(elements, inside_hash: false, inside_array: false, token_column:) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3017 def visit_literal_elements(elements, inside_hash: false, inside_array: false, token_column:) base_column = @column base_line = @line needs_final_space = (inside_hash || inside_array) && space? first_space = skip_space if inside_hash needs_final_space = false end if inside_array needs_final_space = false end if newline? || comment? needs_final_space = false end # If there's a newline right at the beginning, # write it, and we'll indent element and always # add a trailing comma to the last element needs_trailing_comma = newline? || comment? if needs_trailing_comma if (call_info = @line_to_call_info[@line]) call_info << true end needed_indent = next_indent indent { consume_end_of_line } write_indent(needed_indent) else needed_indent = base_column end wrote_comma = false first_space = nil elements.each_with_index do |elem, i| @literal_elements_level = @node_level is_last = last?(i, elements) wrote_comma = false if needs_trailing_comma indent(needed_indent) { visit elem } else visit elem end # We have to be careful not to aumatically write a heredoc on next_token, # because we miss the chance to write a comma to separate elements first_space = skip_space_no_heredoc_check wrote_comma = check_heredocs_in_literal_elements(is_last, wrote_comma) next unless comma? unless is_last write "," wrote_comma = true end # We have to be careful not to aumatically write a heredoc on next_token, # because we miss the chance to write a comma to separate elements next_token_no_heredoc_check first_space = skip_space_no_heredoc_check wrote_comma = check_heredocs_in_literal_elements(is_last, wrote_comma) if newline? || comment? if is_last # Nothing else indent(needed_indent) do consume_end_of_line(first_space: first_space) write_indent end end else write_space unless is_last end end @literal_elements_level = nil if needs_trailing_comma write "," unless wrote_comma || !trailing_commas || @last_was_heredoc consume_end_of_line(first_space: first_space) write_indent elsif comment? consume_end_of_line(first_space: first_space) else if needs_final_space consume_space else skip_space_or_newline end end if current_token_column == token_column && needed_indent < token_column # If the closing token is aligned with the opening token, we want to # keep it like that, for example in: # # foo([ # 2, # ]) @literal_indents << [base_line, @line, token_column + INDENT_SIZE - needed_indent] elsif call_info && call_info[0] == current_token_column # If the closing literal position matches the column where # the call started, we want to preserve it like that # (otherwise we align it to the first parameter) call_info << @line end end |
#visit_mlhs(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1960 def visit_mlhs(node) # [:mlsh, *args] _, *args = node visit_mlhs_or_mlhs_paren(args) end |
#visit_mlhs_add_star(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2111 def visit_mlhs_add_star(node) # [:mlhs_add_star, before, star, after] _, before, star, after = node if before && !before.empty? # Maybe a Ripper bug, but if there's something before a star # then a star shouldn't be here... but if it is... handle it # somehow... if current_token_kind == :on_op && current_token_value == "*" star = before else visit_comma_separated_list to_ary(before) write_params_comma end end consume_op "*" if star skip_space_or_newline visit star end if after && !after.empty? write_params_comma visit_comma_separated_list after end end |
#visit_mlhs_or_mlhs_paren(args) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1967 def visit_mlhs_or_mlhs_paren(args) # Sometimes a paren comes, some times not, so act accordingly. has_paren = current_token_kind == :on_lparen if has_paren consume_token :on_lparen skip_space_or_newline end # For some reason there's nested :mlhs_paren for # a single parentheses. It seems when there's # a nested array we need parens, otherwise we # just output whatever's inside `args`. if args.is_a?(Array) && args[0].is_a?(Array) indent(@column) do visit_comma_separated_list args skip_space_or_newline end else visit args end if has_paren # Ripper has a bug where parsing `|(w, *x, y), z|`, # the "y" isn't returned. In this case we just consume # all tokens until we find a `)`. while current_token_kind != :on_rparen consume_token current_token_kind end consume_token :on_rparen end end |
#visit_mlhs_paren(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1951 def visit_mlhs_paren(node) # [:mlhs_paren, # [[:mlhs_paren, [:@ident, "x", [1, 12]]]] # ] _, args = node visit_mlhs_or_mlhs_paren(args) end |
#visit_module(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2300 def visit_module(node) # [:module, # name # [:bodystmt, body, nil, nil, nil]] _, name, body = node push_type(node) do consume_keyword "module" skip_space_or_newline write_space visit name @inside_type_body = true visit body end end |
#visit_mrhs_add_star(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2000 def visit_mrhs_add_star(node) # [:mrhs_add_star, [], [:vcall, [:@ident, "x", [3, 8]]]] _, x, y = node if x.empty? consume_op "*" visit y else visit x write_params_comma consume_space consume_op "*" visit y end end |
#visit_mrhs_new_from_args(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1937 def visit_mrhs_new_from_args(node) # Multiple exception types # [:mrhs_new_from_args, exps, final_exp] _, exps, final_exp = node if final_exp visit_comma_separated_list exps write_params_comma visit final_exp else visit_comma_separated_list to_ary(exps) end end |
#visit_multiple_assign(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 893 def visit_multiple_assign(node) # [:massign, lefts, right] _, lefts, right = node visit_comma_separated_list lefts first_space = skip_space # A trailing comma can come after the left hand side if comma? consume_token :on_comma first_space = skip_space end write_space_using_setting(first_space, :one) track_assignment consume_op "=" visit_assign_value right end |
#visit_next(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2858 def visit_next(node) # [:next, exp] visit_control_keyword node, "next" end |
#visit_op_assign(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 866 def visit_op_assign(node) # target += value # # [:opassign, target, op, value] _, target, op, value = node line = @line visit target consume_space # [:@op, "+=", [1, 2]], check :on_op before = op[1][0...-1] after = op[1][-1] write before track_assignment before.size write after next_token visit_assign_value value @assignments_ranges[line] = @line if @line != line end |
#visit_params(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2432 def visit_params(node) # (def params) # # [:params, pre_rest_params, args_with_default, rest_param, post_rest_params, label_params, double_star_param, blockarg] _, pre_rest_params, args_with_default, rest_param, post_rest_params, label_params, double_star_param, blockarg = node needs_comma = false if pre_rest_params visit_comma_separated_list pre_rest_params needs_comma = true end if args_with_default write_params_comma if needs_comma visit_comma_separated_list(args_with_default) do |arg, default| visit arg consume_space consume_op "=" consume_space visit default end needs_comma = true end if rest_param # check for trailing , |x, | (may be [:excessed_comma] in 2.6.0) case rest_param when 0, [:excessed_comma] write_params_comma else # [:rest_param, [:@ident, "x", [1, 15]]] _, rest = rest_param write_params_comma if needs_comma consume_op "*" skip_space_or_newline visit rest if rest needs_comma = true end end if post_rest_params write_params_comma if needs_comma visit_comma_separated_list post_rest_params needs_comma = true end if label_params # [[label, value], ...] write_params_comma if needs_comma visit_comma_separated_list(label_params) do |label, value| # [:@label, "b:", [1, 20]] write label[1] next_token skip_space_or_newline if value consume_space visit value end end needs_comma = true end if double_star_param write_params_comma if needs_comma consume_op "**" skip_space_or_newline # A nameless double star comes as an... Integer? :-S visit double_star_param if double_star_param.is_a?(Array) skip_space_or_newline needs_comma = true end if blockarg # [:blockarg, [:@ident, "block", [1, 16]]] write_params_comma if needs_comma skip_space_or_newline consume_op "&" skip_space_or_newline visit blockarg[1] end end |
#visit_paren(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2413 def visit_paren(node) # ( exps ) # # [:paren, exps] _, exps = node consume_token :on_lparen skip_space_or_newline heredoc = current_token_kind == :on_heredoc_beg if exps visit_exps to_ary(exps), with_lines: false end skip_space_or_newline write "\n" if heredoc consume_token :on_rparen end |
#visit_path(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 832 def visit_path(node) # Foo::Bar # # [:const_path_ref, # [:var_ref, [:@const, "Foo", [1, 0]]], # [:@const, "Bar", [1, 5]]] pieces = node[1..-1] pieces.each_with_index do |piece, i| visit piece unless last?(i, pieces) consume_op "::" skip_space_or_newline end end end |
#visit_q_or_i_array(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2553 def visit_q_or_i_array(node) _, elements = node # For %W it seems elements appear inside other arrays # for some reason, so we flatten them if elements[0].is_a?(Array) && elements[0][0].is_a?(Array) elements = elements.flat_map { |x| x } end has_space = current_token_value.end_with?(" ") write current_token_value.strip # (pre 2.5.0) If there's a newline after `%w(`, write line and indent if current_token_value.include?("\n") && elements # "%w[\n" write_line write_indent next_indent end next_token # fix for 2.5.0 ripper change if current_token_kind == :on_words_sep && elements && !elements.empty? value = current_token_value has_space = value.start_with?(" ") if value.include?("\n") && elements # "\n " write_line write_indent next_indent end next_token has_space = true if current_token_value.start_with?(" ") end if elements && !elements.empty? write_space if has_space column = @column elements.each_with_index do |elem, i| if elem[0] == :@tstring_content # elem is [:@tstring_content, string, [1, 5] write elem[1].strip next_token else visit elem end if !last?(i, elements) && current_token_kind == :on_words_sep # On a newline, write line and indent if current_token_value.include?("\n") next_token write_line write_indent(column) else next_token write_space end end end end has_newline = false last_token = nil while current_token_kind == :on_words_sep has_newline ||= current_token_value.include?("\n") unless current_token[2].strip.empty? last_token = current_token end next_token end if has_newline write_line write_indent elsif has_space && elements && !elements.empty? write_space end if last_token write last_token[2].strip else write current_token_value.strip next_token end end |
#visit_quoted_symbol_literal(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 814 def visit_quoted_symbol_literal(node) # :"foo" # # [:dyna_symbol, exps] _, exps = node # This is `"...":` as a hash key if current_token_kind == :on_tstring_beg consume_token :on_tstring_beg visit exps consume_token :on_label_end else consume_token :on_symbeg visit_exps exps, with_lines: false consume_token :on_tstring_end end end |
#visit_range(node, inclusive) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2710 def visit_range(node, inclusive) # [:dot2, left, right] _, left, right = node visit left skip_space_or_newline consume_op(inclusive ? ".." : "...") skip_space_or_newline visit right unless right.nil? end |
#visit_regexp_literal(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2721 def visit_regexp_literal(node) # [:regexp_literal, pieces, [:@regexp_end, "/", [1, 1]]] _, pieces = node check :on_regexp_beg write current_token_value next_token visit_exps pieces, with_lines: false check :on_regexp_end write current_token_value next_token end |
#visit_rescue_types(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1933 def visit_rescue_types(node) visit_exps to_ary(node), with_lines: false end |
#visit_rest_param(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2140 def visit_rest_param(node) # [:rest_param, name] _, name = node consume_op "*" if name skip_space_or_newline visit name end end |
#visit_return(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2848 def visit_return(node) # [:return, exp] visit_control_keyword node, "return" end |
#visit_sclass(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2800 def visit_sclass(node) # class << self # # [:sclass, target, body] _, target, body = node push_type(node) do consume_keyword "class" consume_space consume_op "<<" consume_space visit target @inside_type_body = true visit body end end |
#visit_setter(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2818 def visit_setter(node) # foo.bar # (followed by `=`, though not included in this node) # # [:field, receiver, :".", name] _, receiver, _, name = node @dot_column = nil @original_dot_column = nil visit receiver skip_space_or_newline_using_setting(:no, @dot_column || next_indent) # Remember dot column dot_column = @column original_dot_column = current_token_column consume_call_dot skip_space_or_newline_using_setting(:no, next_indent) visit name # Only set it after we visit the call after the dot, # so we remember the outmost dot position @dot_column = dot_column @original_dot_column = original_dot_column end |
#visit_splat_inside_hash(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2701 def visit_splat_inside_hash(node) # **exp # # [:assoc_splat, exp] consume_op "**" skip_space_or_newline visit node[1] end |
#visit_string_concat(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 736 def visit_string_concat(node) # string1 string2 # [:string_concat, string1, string2] _, string1, string2 = node token_column = current_token_column base_column = @column visit string1 has_backslash, _ = skip_space_backslash if has_backslash write " \\" write_line # If the strings are aligned, like in: # # foo bar, "hello" \ # "world" # # then keep it aligned. if token_column == current_token_column write_indent(base_column) else write_indent end else consume_space end visit string2 end |
#visit_string_dvar(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 781 def visit_string_dvar(node) # [:string_dvar, [:var_ref, [:@ivar, "@foo", [1, 2]]]] consume_token :on_embvar visit node[1] end |
#visit_string_interpolation(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 769 def visit_string_interpolation(node) # [:string_embexpr, exps] consume_token :on_embexpr_beg skip_space_or_newline if current_token_kind == :on_tstring_content next_token end visit_exps(node[1], with_lines: false) skip_space_or_newline consume_token :on_embexpr_end end |
#visit_string_literal(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 606 def visit_string_literal(node) # [:string_literal, [:string_content, exps]] heredoc = current_token_kind == :on_heredoc_beg tilde = current_token_value.include?("~") if heredoc write current_token_value.rstrip # Accumulate heredoc: we'll write it once # we find a newline. @heredocs << [node, tilde] # Get the next_token while capturing any output. # This is needed so that we can add a comma if one is not already present. captured_output = capture_output { next_token } inside_literal_elements_list = !@literal_elements_level.nil? && (@node_level - @literal_elements_level) == 2 needs_comma = !comma? && trailing_commas if inside_literal_elements_list && needs_comma write "," @last_was_heredoc = true end @output << captured_output return elsif current_token_kind == :on_backtick consume_token :on_backtick else return if format_simple_string(node) consume_token :on_tstring_beg end visit_string_literal_end(node) end |
#visit_string_literal_end(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 707 def visit_string_literal_end(node) inner = node[1] inner = inner[1..-1] unless node[0] == :xstring_literal with_unmodifiable_string_lines do visit_exps(inner, with_lines: false) end case current_token_kind when :on_heredoc_end heredoc, tilde = @current_heredoc if heredoc && tilde write_indent write current_token_value.strip else write current_token_value.rstrip end next_token skip_space # Simulate a newline after the heredoc @tokens << [[0, 0], :on_ignored_nl, "\n"] when :on_backtick consume_token :on_backtick else consume_token :on_tstring_end end end |
#visit_suffix(node, suffix) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 1006 def visit_suffix(node, suffix) # then if cond # then unless cond # exp rescue handler # # [:if_mod, cond, body] _, body, cond = node if suffix != "rescue" body, cond = cond, body end visit body consume_space consume_keyword(suffix) consume_space_or_newline visit cond end |
#visit_super(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2950 def visit_super(node) # [:super, args] _, args = node base_column = current_token_column consume_keyword "super" if space? consume_space visit_command_end node, args, base_column else visit_call_at_paren node, args end end |
#visit_symbol(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 798 def visit_symbol(node) # :foo # # [:symbol, [:@ident, "foo", [1, 1]]] # Block arg calls changed from &: to &. in Crystal if @prev_token && @prev_token[2] == "&" current_token[1] = :on_period current_token[2] = "." consume_token :on_period else consume_token :on_symbeg end visit_exps node[1..-1], with_lines: false end |
#visit_symbol_literal(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 787 def visit_symbol_literal(node) # :foo # # [:symbol_literal, [:symbol, [:@ident, "foo", [1, 1]]]] # # A symbol literal not necessarily begins with `:`. # For example, an `alias foo bar` will treat `foo` # a as symbol_literal but without a `:symbol` child. visit node[1] end |
#visit_ternary_if(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 989 def visit_ternary_if(node) # cond ? then : else # # [:ifop, cond, then_body, else_body] _, cond, then_body, else_body = node visit cond consume_space consume_op "?" consume_space_or_newline visit then_body consume_space consume_op ":" consume_space_or_newline visit else_body end |
#visit_unary(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2164 def visit_unary(node) # [:unary, :-@, [:vcall, [:@ident, "x", [1, 2]]]] _, op, exp = node # Crystal doesn't support and/or/not if current_token[2] == "not" current_token[2] = "!" end consume_op_or_keyword first_space = space? skip_space_or_newline if op == :not has_paren = current_token_kind == :on_lparen if has_paren && !first_space write "(" next_token skip_space_or_newline elsif !has_paren skip_space_or_newline # write_space end visit exp if has_paren && !first_space skip_space_or_newline check :on_rparen write ")" next_token end else visit exp end end |
#visit_undef(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3008 def visit_undef(node) # [:undef, exps] _, exps = node consume_keyword "undef" consume_space visit_comma_separated_list exps end |
#visit_unless(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3147 def visit_unless(node) visit_if_or_unless node, "unless" end |
#visit_until(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3194 def visit_until(node) # [:until, cond, body] visit_while_or_until node, "until" end |
#visit_when(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3235 def visit_when(node) # [:when, conds, body, next_exp] _, conds, body, next_exp = node consume_keyword "when" consume_space indent(@column) do visit_comma_separated_list conds skip_space end then_keyword = keyword?("then") inline = then_keyword || semicolon? if then_keyword next_token skip_space info = track_case_when skip_semicolons if newline? inline = false # Cancel tracking of `case when ... then` on a nelwine. @case_when_positions.pop else write_space write "then" # We adjust the column and offset from: # # when 1 then 2 # ^ (with offset 0) # # to: # # when 1 then 2 # ^ (with offset 5) # # In that way we can align this with an `else` clause. if info offset = @column - info[1] info[1] = @column info[-1] = offset end write_space end elsif semicolon? skip_semicolons if newline? || comment? inline = false else write ";" track_case_when write " " end end if inline indent do visit_exps body end else indent_body body end if next_exp write_indent if next_exp[0] == :else # [:else, body] consume_keyword "else" track_case_when first_space = skip_space if newline? || semicolon? || comment? # Cancel tracking of `else` on a nelwine. @case_when_positions.pop indent_body next_exp[1] else if align_case_when write_space else write_space_using_setting(first_space, :one) end visit_exps next_exp[1] end else visit next_exp end end end |
#visit_while(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3189 def visit_while(node) # [:while, cond, body] visit_while_or_until node, "while" end |
#visit_while_or_until(node, keyword) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3199 def visit_while_or_until(node, keyword) _, cond, body = node line = @line consume_keyword keyword consume_space visit cond indent_body body write_indent if @line != line consume_keyword "end" end |
#visit_yield(node) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2863 def visit_yield(node) # [:yield, exp] visit_control_keyword node, "yield" end |
#void_exps?(node) ⇒ Boolean
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3970 def void_exps?(node) node.size == 1 && node[0].size == 1 && node[0][0] == :void_stmt end |
#with_unmodifiable_string_lines ⇒ Object
Every line between the first line and end line of this string (excluding the first line) must remain like it is now (we don’t want to mess with that when indenting/dedenting)
This can happen with heredocs, but also with string literals spanning multiple lines.
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 699 def with_unmodifiable_string_lines line = @line yield (line + 1..@line).each do |i| @unmodifiable_string_lines[i] = true end end |
#write(value) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3830 def write(value) @output << value @last_was_newline = false @last_was_heredoc = false @column += value.size end |
#write_indent(indent = @indent) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3869 def write_indent(indent = @indent) @output << " " * indent @column += indent end |
#write_line ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3862 def write_line @output << "\n" @last_was_newline = true @column = 0 @line += 1 end |
#write_params_comma ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 2516 def write_params_comma skip_space check :on_comma write "," next_token skip_space_or_newline_using_setting(:one) end |
#write_space(value = " ") ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3837 def write_space(value = " ") @output << value @column += value.size end |
#write_space_using_setting(first_space, setting, at_least_one: false) ⇒ Object
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# File 'lib/ruby_crystal_codemod/formatter.rb', line 3842 def write_space_using_setting(first_space, setting, at_least_one: false) if first_space && setting == :dynamic write_space first_space[2] elsif setting == :one || at_least_one write_space end end |