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Diffstat (limited to 'devtools/shared/jsbeautify/src/beautify-js.js')
| -rw-r--r-- | devtools/shared/jsbeautify/src/beautify-js.js | 1662 |
1 files changed, 1662 insertions, 0 deletions
diff --git a/devtools/shared/jsbeautify/src/beautify-js.js b/devtools/shared/jsbeautify/src/beautify-js.js new file mode 100644 index 000000000..053d973e0 --- /dev/null +++ b/devtools/shared/jsbeautify/src/beautify-js.js @@ -0,0 +1,1662 @@ +/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */ + +"use strict"; + +const acorn = require("acorn/acorn"); + +/* + + The MIT License (MIT) + + Copyright (c) 2007-2013 Einar Lielmanis and contributors. + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation files + (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + + JS Beautifier +--------------- + + + Written by Einar Lielmanis, <einar@jsbeautifier.org> + http://jsbeautifier.org/ + + Originally converted to javascript by Vital, <vital76@gmail.com> + "End braces on own line" added by Chris J. Shull, <chrisjshull@gmail.com> + Parsing improvements for brace-less statements by Liam Newman <bitwiseman@gmail.com> + + + Usage: + js_beautify(js_source_text); + js_beautify(js_source_text, options); + + The options are: + indent_size (default 4) - indentation size, + indent_char (default space) - character to indent with, + preserve_newlines (default true) - whether existing line breaks should be preserved, + max_preserve_newlines (default unlimited) - maximum number of line breaks to be preserved in one chunk, + + jslint_happy (default false) - if true, then jslint-stricter mode is enforced. + + jslint_happy !jslint_happy + --------------------------------- + function () function() + + brace_style (default "collapse") - "collapse" | "expand" | "end-expand" + put braces on the same line as control statements (default), or put braces on own line (Allman / ANSI style), or just put end braces on own line. + + space_before_conditional (default true) - should the space before conditional statement be added, "if(true)" vs "if (true)", + + unescape_strings (default false) - should printable characters in strings encoded in \xNN notation be unescaped, "example" vs "\x65\x78\x61\x6d\x70\x6c\x65" + + wrap_line_length (default unlimited) - lines should wrap at next opportunity after this number of characters. + NOTE: This is not a hard limit. Lines will continue until a point where a newline would + be preserved if it were present. + + e.g + + js_beautify(js_source_text, { + 'indent_size': 1, + 'indent_char': '\t' + }); + +*/ + +var js_beautify = function js_beautify(js_source_text, options) { + var beautifier = new Beautifier(js_source_text, options); + return beautifier.beautify(); +}; + +exports.jsBeautify = js_beautify; + +function Beautifier(js_source_text, options) { + var input, output_lines; + var token_text, token_type, last_type, last_last_text, indent_string; + var flags, previous_flags, flag_store; + var whitespace, wordchar, punct, parser_pos, line_starters, reserved_words, digits; + var prefix; + var input_wanted_newline; + var output_space_before_token; + var input_length, n_newlines, whitespace_before_token; + var handlers, MODE, opt; + var preindent_string = ''; + + + + whitespace = "\n\r\t ".split(''); + wordchar = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_$'.split(''); + digits = '0123456789'.split(''); + + punct = '+ - * / % & ++ -- = += -= *= /= %= == === != !== > < >= <= >> << >>> >>>= >>= <<= && &= | || ! ~ , : ? ^ ^= |= :: =>'; + punct += ' <%= <% %> <?= <? ?>'; // try to be a good boy and try not to break the markup language identifiers + punct = punct.split(' '); + + // words which should always start on new line. + line_starters = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,yield'.split(','); + reserved_words = line_starters.concat(['do', 'in', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof']); + + + MODE = { + BlockStatement: 'BlockStatement', // 'BLOCK' + Statement: 'Statement', // 'STATEMENT' + ObjectLiteral: 'ObjectLiteral', // 'OBJECT', + ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]', + ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)', + Conditional: 'Conditional', //'(COND-EXPRESSION)', + Expression: 'Expression' //'(EXPRESSION)' + }; + + handlers = { + 'TK_START_EXPR': handle_start_expr, + 'TK_END_EXPR': handle_end_expr, + 'TK_START_BLOCK': handle_start_block, + 'TK_END_BLOCK': handle_end_block, + 'TK_WORD': handle_word, + 'TK_RESERVED': handle_word, + 'TK_SEMICOLON': handle_semicolon, + 'TK_STRING': handle_string, + 'TK_EQUALS': handle_equals, + 'TK_OPERATOR': handle_operator, + 'TK_COMMA': handle_comma, + 'TK_BLOCK_COMMENT': handle_block_comment, + 'TK_INLINE_COMMENT': handle_inline_comment, + 'TK_COMMENT': handle_comment, + 'TK_DOT': handle_dot, + 'TK_UNKNOWN': handle_unknown + }; + + function create_flags(flags_base, mode) { + var next_indent_level = 0; + if (flags_base) { + next_indent_level = flags_base.indentation_level; + if (!just_added_newline() && + flags_base.line_indent_level > next_indent_level) { + next_indent_level = flags_base.line_indent_level; + } + } + + var next_flags = { + mode: mode, + parent: flags_base, + last_text: flags_base ? flags_base.last_text : '', // last token text + last_word: flags_base ? flags_base.last_word : '', // last 'TK_WORD' passed + declaration_statement: false, + declaration_assignment: false, + in_html_comment: false, + multiline_frame: false, + if_block: false, + else_block: false, + do_block: false, + do_while: false, + in_case_statement: false, // switch(..){ INSIDE HERE } + in_case: false, // we're on the exact line with "case 0:" + case_body: false, // the indented case-action block + indentation_level: next_indent_level, + line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level, + start_line_index: output_lines.length, + had_comment: false, + ternary_depth: 0 + }; + return next_flags; + } + + // Using object instead of string to allow for later expansion of info about each line + + function create_output_line() { + return { + text: [] + }; + } + + // Some interpreters have unexpected results with foo = baz || bar; + options = options ? options : {}; + opt = {}; + + // compatibility + if (options.space_after_anon_function !== undefined && options.jslint_happy === undefined) { + options.jslint_happy = options.space_after_anon_function; + } + if (options.braces_on_own_line !== undefined) { //graceful handling of deprecated option + opt.brace_style = options.braces_on_own_line ? "expand" : "collapse"; + } + opt.brace_style = options.brace_style ? options.brace_style : (opt.brace_style ? opt.brace_style : "collapse"); + + // graceful handling of deprecated option + if (opt.brace_style === "expand-strict") { + opt.brace_style = "expand"; + } + + + opt.indent_size = options.indent_size ? parseInt(options.indent_size, 10) : 4; + opt.indent_char = options.indent_char ? options.indent_char : ' '; + opt.preserve_newlines = (options.preserve_newlines === undefined) ? true : options.preserve_newlines; + opt.break_chained_methods = (options.break_chained_methods === undefined) ? false : options.break_chained_methods; + opt.max_preserve_newlines = (options.max_preserve_newlines === undefined) ? 0 : parseInt(options.max_preserve_newlines, 10); + opt.space_in_paren = (options.space_in_paren === undefined) ? false : options.space_in_paren; + opt.space_in_empty_paren = (options.space_in_empty_paren === undefined) ? false : options.space_in_empty_paren; + opt.jslint_happy = (options.jslint_happy === undefined) ? false : options.jslint_happy; + opt.keep_array_indentation = (options.keep_array_indentation === undefined) ? false : options.keep_array_indentation; + opt.space_before_conditional = (options.space_before_conditional === undefined) ? true : options.space_before_conditional; + opt.unescape_strings = (options.unescape_strings === undefined) ? false : options.unescape_strings; + opt.wrap_line_length = (options.wrap_line_length === undefined) ? 0 : parseInt(options.wrap_line_length, 10); + opt.e4x = (options.e4x === undefined) ? false : options.e4x; + + if(options.indent_with_tabs){ + opt.indent_char = '\t'; + opt.indent_size = 1; + } + + //---------------------------------- + indent_string = ''; + while (opt.indent_size > 0) { + indent_string += opt.indent_char; + opt.indent_size -= 1; + } + + while (js_source_text && (js_source_text.charAt(0) === ' ' || js_source_text.charAt(0) === '\t')) { + preindent_string += js_source_text.charAt(0); + js_source_text = js_source_text.substring(1); + } + input = js_source_text; + // cache the source's length. + input_length = js_source_text.length; + + last_type = 'TK_START_BLOCK'; // last token type + last_last_text = ''; // pre-last token text + output_lines = [create_output_line()]; + output_space_before_token = false; + whitespace_before_token = []; + + // Stack of parsing/formatting states, including MODE. + // We tokenize, parse, and output in an almost purely a forward-only stream of token input + // and formatted output. This makes the beautifier less accurate than full parsers + // but also far more tolerant of syntax errors. + // + // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type + // MODE.BlockStatement on the the stack, even though it could be object literal. If we later + // encounter a ":", we'll switch to to MODE.ObjectLiteral. If we then see a ";", + // most full parsers would die, but the beautifier gracefully falls back to + // MODE.BlockStatement and continues on. + flag_store = []; + set_mode(MODE.BlockStatement); + + parser_pos = 0; + + this.beautify = function() { + /*jshint onevar:true */ + var t, i, keep_whitespace, sweet_code; + + while (true) { + t = get_next_token(); + token_text = t[0]; + token_type = t[1]; + + if (token_type === 'TK_EOF') { + // Unwind any open statements + while (flags.mode === MODE.Statement) { + restore_mode(); + } + break; + } + + keep_whitespace = opt.keep_array_indentation && is_array(flags.mode); + input_wanted_newline = n_newlines > 0; + + if (keep_whitespace) { + for (i = 0; i < n_newlines; i += 1) { + print_newline(i > 0); + } + } else { + if (opt.max_preserve_newlines && n_newlines > opt.max_preserve_newlines) { + n_newlines = opt.max_preserve_newlines; + } + + if (opt.preserve_newlines) { + if (n_newlines > 1) { + print_newline(); + for (i = 1; i < n_newlines; i += 1) { + print_newline(true); + } + } + } + } + + handlers[token_type](); + + // The cleanest handling of inline comments is to treat them as though they aren't there. + // Just continue formatting and the behavior should be logical. + // Also ignore unknown tokens. Again, this should result in better behavior. + if (token_type !== 'TK_INLINE_COMMENT' && token_type !== 'TK_COMMENT' && + token_type !== 'TK_BLOCK_COMMENT' && token_type !== 'TK_UNKNOWN') { + last_last_text = flags.last_text; + last_type = token_type; + flags.last_text = token_text; + } + flags.had_comment = (token_type === 'TK_INLINE_COMMENT' || token_type === 'TK_COMMENT' + || token_type === 'TK_BLOCK_COMMENT'); + } + + + sweet_code = output_lines[0].text.join(''); + for (var line_index = 1; line_index < output_lines.length; line_index++) { + sweet_code += '\n' + output_lines[line_index].text.join(''); + } + sweet_code = sweet_code.replace(/[\r\n ]+$/, ''); + return sweet_code; + }; + + function trim_output(eat_newlines) { + eat_newlines = (eat_newlines === undefined) ? false : eat_newlines; + + if (output_lines.length) { + trim_output_line(output_lines[output_lines.length - 1], eat_newlines); + + while (eat_newlines && output_lines.length > 1 && + output_lines[output_lines.length - 1].text.length === 0) { + output_lines.pop(); + trim_output_line(output_lines[output_lines.length - 1], eat_newlines); + } + } + } + + function trim_output_line(line) { + while (line.text.length && + (line.text[line.text.length - 1] === ' ' || + line.text[line.text.length - 1] === indent_string || + line.text[line.text.length - 1] === preindent_string)) { + line.text.pop(); + } + } + + function trim(s) { + return s.replace(/^\s+|\s+$/g, ''); + } + + // we could use just string.split, but + // IE doesn't like returning empty strings + + function split_newlines(s) { + //return s.split(/\x0d\x0a|\x0a/); + + s = s.replace(/\x0d/g, ''); + var out = [], + idx = s.indexOf("\n"); + while (idx !== -1) { + out.push(s.substring(0, idx)); + s = s.substring(idx + 1); + idx = s.indexOf("\n"); + } + if (s.length) { + out.push(s); + } + return out; + } + + function just_added_newline() { + var line = output_lines[output_lines.length - 1]; + return line.text.length === 0; + } + + function just_added_blankline() { + if (just_added_newline()) { + if (output_lines.length === 1) { + return true; // start of the file and newline = blank + } + + var line = output_lines[output_lines.length - 2]; + return line.text.length === 0; + } + return false; + } + + function allow_wrap_or_preserved_newline(force_linewrap) { + force_linewrap = (force_linewrap === undefined) ? false : force_linewrap; + if (opt.wrap_line_length && !force_linewrap) { + var line = output_lines[output_lines.length - 1]; + var proposed_line_length = 0; + // never wrap the first token of a line. + if (line.text.length > 0) { + proposed_line_length = line.text.join('').length + token_text.length + + (output_space_before_token ? 1 : 0); + if (proposed_line_length >= opt.wrap_line_length) { + force_linewrap = true; + } + } + } + if (((opt.preserve_newlines && input_wanted_newline) || force_linewrap) && !just_added_newline()) { + print_newline(false, true); + + } + } + + function print_newline(force_newline, preserve_statement_flags) { + output_space_before_token = false; + + if (!preserve_statement_flags) { + if (flags.last_text !== ';' && flags.last_text !== ',' && flags.last_text !== '=' && last_type !== 'TK_OPERATOR') { + while (flags.mode === MODE.Statement && !flags.if_block && !flags.do_block) { + restore_mode(); + } + } + } + + if (output_lines.length === 1 && just_added_newline()) { + return; // no newline on start of file + } + + if (force_newline || !just_added_newline()) { + flags.multiline_frame = true; + output_lines.push(create_output_line()); + } + } + + function print_token_line_indentation() { + if (just_added_newline()) { + var line = output_lines[output_lines.length - 1]; + if (opt.keep_array_indentation && is_array(flags.mode) && input_wanted_newline) { + // prevent removing of this whitespace as redundant + line.text.push(''); + for (var i = 0; i < whitespace_before_token.length; i += 1) { + line.text.push(whitespace_before_token[i]); + } + } else { + if (preindent_string) { + line.text.push(preindent_string); + } + + print_indent_string(flags.indentation_level); + } + } + } + + function print_indent_string(level) { + // Never indent your first output indent at the start of the file + if (output_lines.length > 1) { + var line = output_lines[output_lines.length - 1]; + + flags.line_indent_level = level; + for (var i = 0; i < level; i += 1) { + line.text.push(indent_string); + } + } + } + + function print_token_space_before() { + var line = output_lines[output_lines.length - 1]; + if (output_space_before_token && line.text.length) { + var last_output = line.text[line.text.length - 1]; + if (last_output !== ' ' && last_output !== indent_string) { // prevent occassional duplicate space + line.text.push(' '); + } + } + } + + function print_token(printable_token) { + printable_token = printable_token || token_text; + print_token_line_indentation(); + print_token_space_before(); + output_space_before_token = false; + output_lines[output_lines.length - 1].text.push(printable_token); + } + + function indent() { + flags.indentation_level += 1; + } + + function deindent() { + if (flags.indentation_level > 0 && + ((!flags.parent) || flags.indentation_level > flags.parent.indentation_level)) + flags.indentation_level -= 1; + } + + function remove_redundant_indentation(frame) { + // This implementation is effective but has some issues: + // - less than great performance due to array splicing + // - can cause line wrap to happen too soon due to indent removal + // after wrap points are calculated + // These issues are minor compared to ugly indentation. + + if (frame.multiline_frame) return; + + // remove one indent from each line inside this section + var index = frame.start_line_index; + var splice_index = 0; + var line; + + while (index < output_lines.length) { + line = output_lines[index]; + index++; + + // skip empty lines + if (line.text.length === 0) { + continue; + } + + // skip the preindent string if present + if (preindent_string && line.text[0] === preindent_string) { + splice_index = 1; + } else { + splice_index = 0; + } + + // remove one indent, if present + if (line.text[splice_index] === indent_string) { + line.text.splice(splice_index, 1); + } + } + } + + function set_mode(mode) { + if (flags) { + flag_store.push(flags); + previous_flags = flags; + } else { + previous_flags = create_flags(null, mode); + } + + flags = create_flags(previous_flags, mode); + } + + function is_array(mode) { + return mode === MODE.ArrayLiteral; + } + + function is_expression(mode) { + return in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]); + } + + function restore_mode() { + if (flag_store.length > 0) { + previous_flags = flags; + flags = flag_store.pop(); + if (previous_flags.mode === MODE.Statement) { + remove_redundant_indentation(previous_flags); + } + } + } + + function start_of_object_property() { + return flags.parent.mode === MODE.ObjectLiteral && flags.mode === MODE.Statement && flags.last_text === ':' && + flags.ternary_depth === 0; + } + + function start_of_statement() { + if ( + (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && token_type === 'TK_WORD') || + (last_type === 'TK_RESERVED' && flags.last_text === 'do') || + (last_type === 'TK_RESERVED' && flags.last_text === 'return' && !input_wanted_newline) || + (last_type === 'TK_RESERVED' && flags.last_text === 'else' && !(token_type === 'TK_RESERVED' && token_text === 'if')) || + (last_type === 'TK_END_EXPR' && (previous_flags.mode === MODE.ForInitializer || previous_flags.mode === MODE.Conditional)) || + (last_type === 'TK_WORD' && flags.mode === MODE.BlockStatement + && !flags.in_case + && !(token_text === '--' || token_text === '++') + && token_type !== 'TK_WORD' && token_type !== 'TK_RESERVED') || + (flags.mode === MODE.ObjectLiteral && flags.last_text === ':' && flags.ternary_depth === 0) + + ) { + + set_mode(MODE.Statement); + indent(); + + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && token_type === 'TK_WORD') { + flags.declaration_statement = true; + } + + // Issue #276: + // If starting a new statement with [if, for, while, do], push to a new line. + // if (a) if (b) if(c) d(); else e(); else f(); + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline( + token_type === 'TK_RESERVED' && in_array(token_text, ['do', 'for', 'if', 'while'])); + } + + return true; + } + return false; + } + + function all_lines_start_with(lines, c) { + for (var i = 0; i < lines.length; i++) { + var line = trim(lines[i]); + if (line.charAt(0) !== c) { + return false; + } + } + return true; + } + + function each_line_matches_indent(lines, indent) { + var i = 0, + len = lines.length, + line; + for (; i < len; i++) { + line = lines[i]; + // allow empty lines to pass through + if (line && line.indexOf(indent) !== 0) { + return false; + } + } + return true; + } + + function is_special_word(word) { + return in_array(word, ['case', 'return', 'do', 'if', 'throw', 'else']); + } + + function in_array(what, arr) { + for (var i = 0; i < arr.length; i += 1) { + if (arr[i] === what) { + return true; + } + } + return false; + } + + function unescape_string(s) { + var esc = false, + out = '', + pos = 0, + s_hex = '', + escaped = 0, + c; + + while (esc || pos < s.length) { + + c = s.charAt(pos); + pos++; + + if (esc) { + esc = false; + if (c === 'x') { + // simple hex-escape \x24 + s_hex = s.substr(pos, 2); + pos += 2; + } else if (c === 'u') { + // unicode-escape, \u2134 + s_hex = s.substr(pos, 4); + pos += 4; + } else { + // some common escape, e.g \n + out += '\\' + c; + continue; + } + if (!s_hex.match(/^[0123456789abcdefABCDEF]+$/)) { + // some weird escaping, bail out, + // leaving whole string intact + return s; + } + + escaped = parseInt(s_hex, 16); + + if (escaped >= 0x00 && escaped < 0x20) { + // leave 0x00...0x1f escaped + if (c === 'x') { + out += '\\x' + s_hex; + } else { + out += '\\u' + s_hex; + } + continue; + } else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) { + // single-quote, apostrophe, backslash - escape these + out += '\\' + String.fromCharCode(escaped); + } else if (c === 'x' && escaped > 0x7e && escaped <= 0xff) { + // we bail out on \x7f..\xff, + // leaving whole string escaped, + // as it's probably completely binary + return s; + } else { + out += String.fromCharCode(escaped); + } + } else if (c === '\\') { + esc = true; + } else { + out += c; + } + } + return out; + } + + function is_next(find) { + var local_pos = parser_pos; + var c = input.charAt(local_pos); + while (in_array(c, whitespace) && c !== find) { + local_pos++; + if (local_pos >= input_length) { + return false; + } + c = input.charAt(local_pos); + } + return c === find; + } + + function get_next_token() { + var i, resulting_string; + + n_newlines = 0; + + if (parser_pos >= input_length) { + return ['', 'TK_EOF']; + } + + input_wanted_newline = false; + whitespace_before_token = []; + + var c = input.charAt(parser_pos); + parser_pos += 1; + + while (in_array(c, whitespace)) { + + if (c === '\n') { + n_newlines += 1; + whitespace_before_token = []; + } else if (n_newlines) { + if (c === indent_string) { + whitespace_before_token.push(indent_string); + } else if (c !== '\r') { + whitespace_before_token.push(' '); + } + } + + if (parser_pos >= input_length) { + return ['', 'TK_EOF']; + } + + c = input.charAt(parser_pos); + parser_pos += 1; + } + + // NOTE: because beautifier doesn't fully parse, it doesn't use acorn.isIdentifierStart. + // It just treats all identifiers and numbers and such the same. + if (acorn.isIdentifierChar(input.charCodeAt(parser_pos-1))) { + if (parser_pos < input_length) { + while (acorn.isIdentifierChar(input.charCodeAt(parser_pos))) { + c += input.charAt(parser_pos); + parser_pos += 1; + if (parser_pos === input_length) { + break; + } + } + } + + // small and surprisingly unugly hack for 1E-10 representation + if (parser_pos !== input_length && c.match(/^[0-9]+[Ee]$/) && (input.charAt(parser_pos) === '-' || input.charAt(parser_pos) === '+')) { + + var sign = input.charAt(parser_pos); + parser_pos += 1; + + var t = get_next_token(); + c += sign + t[0]; + return [c, 'TK_WORD']; + } + + if (!(last_type === 'TK_DOT' || + (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['set', 'get']))) + && in_array(c, reserved_words)) { + if (c === 'in') { // hack for 'in' operator + return [c, 'TK_OPERATOR']; + } + return [c, 'TK_RESERVED']; + } + return [c, 'TK_WORD']; + } + + if (c === '(' || c === '[') { + return [c, 'TK_START_EXPR']; + } + + if (c === ')' || c === ']') { + return [c, 'TK_END_EXPR']; + } + + if (c === '{') { + return [c, 'TK_START_BLOCK']; + } + + if (c === '}') { + return [c, 'TK_END_BLOCK']; + } + + if (c === ';') { + return [c, 'TK_SEMICOLON']; + } + + if (c === '/') { + var comment = ''; + // peek for comment /* ... */ + var inline_comment = true; + if (input.charAt(parser_pos) === '*') { + parser_pos += 1; + if (parser_pos < input_length) { + while (parser_pos < input_length && !(input.charAt(parser_pos) === '*' && input.charAt(parser_pos + 1) && input.charAt(parser_pos + 1) === '/')) { + c = input.charAt(parser_pos); + comment += c; + if (c === "\n" || c === "\r") { + inline_comment = false; + } + parser_pos += 1; + if (parser_pos >= input_length) { + break; + } + } + } + parser_pos += 2; + if (inline_comment && n_newlines === 0) { + return ['/*' + comment + '*/', 'TK_INLINE_COMMENT']; + } else { + return ['/*' + comment + '*/', 'TK_BLOCK_COMMENT']; + } + } + // peek for comment // ... + if (input.charAt(parser_pos) === '/') { + comment = c; + while (input.charAt(parser_pos) !== '\r' && input.charAt(parser_pos) !== '\n') { + comment += input.charAt(parser_pos); + parser_pos += 1; + if (parser_pos >= input_length) { + break; + } + } + return [comment, 'TK_COMMENT']; + } + + } + + + if (c === '`' || c === "'" || c === '"' || // string + ( + (c === '/') || // regexp + (opt.e4x && c === "<" && input.slice(parser_pos - 1).match(/^<([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])\s*([-a-zA-Z:0-9_.]+=('[^']*'|"[^"]*"|{[^{}]*})\s*)*\/?\s*>/)) // xml + ) && ( // regex and xml can only appear in specific locations during parsing + (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) || + (last_type === 'TK_END_EXPR' && in_array(previous_flags.mode, [MODE.Conditional, MODE.ForInitializer])) || + (in_array(last_type, ['TK_COMMENT', 'TK_START_EXPR', 'TK_START_BLOCK', + 'TK_END_BLOCK', 'TK_OPERATOR', 'TK_EQUALS', 'TK_EOF', 'TK_SEMICOLON', 'TK_COMMA' + ])) + )) { + + var sep = c, + esc = false, + has_char_escapes = false; + + resulting_string = c; + + if (parser_pos < input_length) { + if (sep === '/') { + // + // handle regexp + // + var in_char_class = false; + while (esc || in_char_class || input.charAt(parser_pos) !== sep) { + resulting_string += input.charAt(parser_pos); + if (!esc) { + esc = input.charAt(parser_pos) === '\\'; + if (input.charAt(parser_pos) === '[') { + in_char_class = true; + } else if (input.charAt(parser_pos) === ']') { + in_char_class = false; + } + } else { + esc = false; + } + parser_pos += 1; + if (parser_pos >= input_length) { + // incomplete string/rexp when end-of-file reached. + // bail out with what had been received so far. + return [resulting_string, 'TK_STRING']; + } + } + } else if (opt.e4x && sep === '<') { + // + // handle e4x xml literals + // + var xmlRegExp = /<(\/?)([-a-zA-Z:0-9_.]+|{[^{}]*}|!\[CDATA\[[\s\S]*?\]\])\s*([-a-zA-Z:0-9_.]+=('[^']*'|"[^"]*"|{[^{}]*})\s*)*(\/?)\s*>/g; + var xmlStr = input.slice(parser_pos - 1); + var match = xmlRegExp.exec(xmlStr); + if (match && match.index === 0) { + var rootTag = match[2]; + var depth = 0; + while (match) { + var isEndTag = !! match[1]; + var tagName = match[2]; + var isSingletonTag = ( !! match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA["); + if (tagName === rootTag && !isSingletonTag) { + if (isEndTag) { + --depth; + } else { + ++depth; + } + } + if (depth <= 0) { + break; + } + match = xmlRegExp.exec(xmlStr); + } + var xmlLength = match ? match.index + match[0].length : xmlStr.length; + parser_pos += xmlLength - 1; + return [xmlStr.slice(0, xmlLength), "TK_STRING"]; + } + } else { + // + // handle string + // + while (esc || input.charAt(parser_pos) !== sep) { + resulting_string += input.charAt(parser_pos); + if (esc) { + if (input.charAt(parser_pos) === 'x' || input.charAt(parser_pos) === 'u') { + has_char_escapes = true; + } + esc = false; + } else { + esc = input.charAt(parser_pos) === '\\'; + } + parser_pos += 1; + if (parser_pos >= input_length) { + // incomplete string/rexp when end-of-file reached. + // bail out with what had been received so far. + return [resulting_string, 'TK_STRING']; + } + } + + } + } + + parser_pos += 1; + resulting_string += sep; + + if (has_char_escapes && opt.unescape_strings) { + resulting_string = unescape_string(resulting_string); + } + + if (sep === '/') { + // regexps may have modifiers /regexp/MOD , so fetch those, too + while (parser_pos < input_length && in_array(input.charAt(parser_pos), wordchar)) { + resulting_string += input.charAt(parser_pos); + parser_pos += 1; + } + } + return [resulting_string, 'TK_STRING']; + } + + if (c === '#') { + + + if (output_lines.length === 1 && output_lines[0].text.length === 0 && + input.charAt(parser_pos) === '!') { + // shebang + resulting_string = c; + while (parser_pos < input_length && c !== '\n') { + c = input.charAt(parser_pos); + resulting_string += c; + parser_pos += 1; + } + return [trim(resulting_string) + '\n', 'TK_UNKNOWN']; + } + + + + // Spidermonkey-specific sharp variables for circular references + // https://developer.mozilla.org/En/Sharp_variables_in_JavaScript + // http://dxr.mozilla.org/mozilla-central/source/js/src/jsscan.cpp around line 1935 + var sharp = '#'; + if (parser_pos < input_length && in_array(input.charAt(parser_pos), digits)) { + do { + c = input.charAt(parser_pos); + sharp += c; + parser_pos += 1; + } while (parser_pos < input_length && c !== '#' && c !== '='); + if (c === '#') { + // + } else if (input.charAt(parser_pos) === '[' && input.charAt(parser_pos + 1) === ']') { + sharp += '[]'; + parser_pos += 2; + } else if (input.charAt(parser_pos) === '{' && input.charAt(parser_pos + 1) === '}') { + sharp += '{}'; + parser_pos += 2; + } + return [sharp, 'TK_WORD']; + } + } + + if (c === '<' && input.substring(parser_pos - 1, parser_pos + 3) === '<!--') { + parser_pos += 3; + c = '<!--'; + while (input.charAt(parser_pos) !== '\n' && parser_pos < input_length) { + c += input.charAt(parser_pos); + parser_pos++; + } + flags.in_html_comment = true; + return [c, 'TK_COMMENT']; + } + + if (c === '-' && flags.in_html_comment && input.substring(parser_pos - 1, parser_pos + 2) === '-->') { + flags.in_html_comment = false; + parser_pos += 2; + return ['-->', 'TK_COMMENT']; + } + + if (c === '.') { + return [c, 'TK_DOT']; + } + + if (in_array(c, punct)) { + while (parser_pos < input_length && in_array(c + input.charAt(parser_pos), punct)) { + c += input.charAt(parser_pos); + parser_pos += 1; + if (parser_pos >= input_length) { + break; + } + } + + if (c === ',') { + return [c, 'TK_COMMA']; + } else if (c === '=') { + return [c, 'TK_EQUALS']; + } else { + return [c, 'TK_OPERATOR']; + } + } + + return [c, 'TK_UNKNOWN']; + } + + function handle_start_expr() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + var next_mode = MODE.Expression; + if (token_text === '[') { + + if (last_type === 'TK_WORD' || flags.last_text === ')') { + // this is array index specifier, break immediately + // a[x], fn()[x] + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, line_starters)) { + output_space_before_token = true; + } + set_mode(next_mode); + print_token(); + indent(); + if (opt.space_in_paren) { + output_space_before_token = true; + } + return; + } + + next_mode = MODE.ArrayLiteral; + if (is_array(flags.mode)) { + if (flags.last_text === '[' || + (flags.last_text === ',' && (last_last_text === ']' || last_last_text === '}'))) { + // ], [ goes to new line + // }, [ goes to new line + if (!opt.keep_array_indentation) { + print_newline(); + } + } + } + + } else { + if (last_type === 'TK_RESERVED' && flags.last_text === 'for') { + next_mode = MODE.ForInitializer; + } else if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['if', 'while'])) { + next_mode = MODE.Conditional; + } else { + // next_mode = MODE.Expression; + } + } + + if (flags.last_text === ';' || last_type === 'TK_START_BLOCK') { + print_newline(); + } else if (last_type === 'TK_END_EXPR' || last_type === 'TK_START_EXPR' || last_type === 'TK_END_BLOCK' || flags.last_text === '.') { + // TODO: Consider whether forcing this is required. Review failing tests when removed. + allow_wrap_or_preserved_newline(input_wanted_newline); + // do nothing on (( and )( and ][ and ]( and .( + } else if (!(last_type === 'TK_RESERVED' && token_text === '(') && last_type !== 'TK_WORD' && last_type !== 'TK_OPERATOR') { + output_space_before_token = true; + } else if ((last_type === 'TK_RESERVED' && (flags.last_word === 'function' || flags.last_word === 'typeof')) || + (flags.last_text === '*' && last_last_text === 'function')) { + // function() vs function () + if (opt.jslint_happy) { + output_space_before_token = true; + } + } else if (last_type === 'TK_RESERVED' && (in_array(flags.last_text, line_starters) || flags.last_text === 'catch')) { + if (opt.space_before_conditional) { + output_space_before_token = true; + } + } + + // Support of this kind of newline preservation. + // a = (b && + // (c || d)); + if (token_text === '(') { + if (last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } + } + + set_mode(next_mode); + print_token(); + if (opt.space_in_paren) { + output_space_before_token = true; + } + + // In all cases, if we newline while inside an expression it should be indented. + indent(); + } + + function handle_end_expr() { + // statements inside expressions are not valid syntax, but... + // statements must all be closed when their container closes + while (flags.mode === MODE.Statement) { + restore_mode(); + } + + if (flags.multiline_frame) { + allow_wrap_or_preserved_newline(token_text === ']' && is_array(flags.mode) && !opt.keep_array_indentation); + } + + if (opt.space_in_paren) { + if (last_type === 'TK_START_EXPR' && ! opt.space_in_empty_paren) { + // () [] no inner space in empty parens like these, ever, ref #320 + trim_output(); + output_space_before_token = false; + } else { + output_space_before_token = true; + } + } + if (token_text === ']' && opt.keep_array_indentation) { + print_token(); + restore_mode(); + } else { + restore_mode(); + print_token(); + } + remove_redundant_indentation(previous_flags); + + // do {} while () // no statement required after + if (flags.do_while && previous_flags.mode === MODE.Conditional) { + previous_flags.mode = MODE.Expression; + flags.do_block = false; + flags.do_while = false; + + } + } + + function handle_start_block() { + set_mode(MODE.BlockStatement); + + var empty_braces = is_next('}'); + var empty_anonymous_function = empty_braces && flags.last_word === 'function' && + last_type === 'TK_END_EXPR'; + + if (opt.brace_style === "expand") { + if (last_type !== 'TK_OPERATOR' && + (empty_anonymous_function || + last_type === 'TK_EQUALS' || + (last_type === 'TK_RESERVED' && is_special_word(flags.last_text) && flags.last_text !== 'else'))) { + output_space_before_token = true; + } else { + print_newline(false, true); + } + } else { // collapse + if (last_type !== 'TK_OPERATOR' && last_type !== 'TK_START_EXPR') { + if (last_type === 'TK_START_BLOCK') { + print_newline(); + } else { + output_space_before_token = true; + } + } else { + // if TK_OPERATOR or TK_START_EXPR + if (is_array(previous_flags.mode) && flags.last_text === ',') { + if (last_last_text === '}') { + // }, { in array context + output_space_before_token = true; + } else { + print_newline(); // [a, b, c, { + } + } + } + } + print_token(); + indent(); + } + + function handle_end_block() { + // statements must all be closed when their container closes + while (flags.mode === MODE.Statement) { + restore_mode(); + } + var empty_braces = last_type === 'TK_START_BLOCK'; + + if (opt.brace_style === "expand") { + if (!empty_braces) { + print_newline(); + } + } else { + // skip {} + if (!empty_braces) { + if (is_array(flags.mode) && opt.keep_array_indentation) { + // we REALLY need a newline here, but newliner would skip that + opt.keep_array_indentation = false; + print_newline(); + opt.keep_array_indentation = true; + + } else { + print_newline(); + } + } + } + restore_mode(); + print_token(); + } + + function handle_word() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } else if (input_wanted_newline && !is_expression(flags.mode) && + (last_type !== 'TK_OPERATOR' || (flags.last_text === '--' || flags.last_text === '++')) && + last_type !== 'TK_EQUALS' && + (opt.preserve_newlines || !(last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const', 'set', 'get'])))) { + + print_newline(); + } + + if (flags.do_block && !flags.do_while) { + if (token_type === 'TK_RESERVED' && token_text === 'while') { + // do {} ## while () + output_space_before_token = true; + print_token(); + output_space_before_token = true; + flags.do_while = true; + return; + } else { + // do {} should always have while as the next word. + // if we don't see the expected while, recover + print_newline(); + flags.do_block = false; + } + } + + // if may be followed by else, or not + // Bare/inline ifs are tricky + // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e(); + if (flags.if_block) { + if (!flags.else_block && (token_type === 'TK_RESERVED' && token_text === 'else')) { + flags.else_block = true; + } else { + while (flags.mode === MODE.Statement) { + restore_mode(); + } + flags.if_block = false; + flags.else_block = false; + } + } + + if (token_type === 'TK_RESERVED' && (token_text === 'case' || (token_text === 'default' && flags.in_case_statement))) { + print_newline(); + if (flags.case_body || opt.jslint_happy) { + // switch cases following one another + deindent(); + flags.case_body = false; + } + print_token(); + flags.in_case = true; + flags.in_case_statement = true; + return; + } + + if (token_type === 'TK_RESERVED' && token_text === 'function') { + if (in_array(flags.last_text, ['}', ';']) || (just_added_newline() && ! in_array(flags.last_text, ['{', ':', '=', ',']))) { + // make sure there is a nice clean space of at least one blank line + // before a new function definition + if ( ! just_added_blankline() && ! flags.had_comment) { + print_newline(); + print_newline(true); + } + } + if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD') { + if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set', 'new', 'return'])) { + output_space_before_token = true; + } else { + print_newline(); + } + } else if (last_type === 'TK_OPERATOR' || flags.last_text === '=') { + // foo = function + output_space_before_token = true; + } else if (is_expression(flags.mode)) { + // (function + } else { + print_newline(); + } + } + + if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } + + if (token_type === 'TK_RESERVED' && token_text === 'function') { + print_token(); + flags.last_word = token_text; + return; + } + + prefix = 'NONE'; + + if (last_type === 'TK_END_BLOCK') { + if (!(token_type === 'TK_RESERVED' && in_array(token_text, ['else', 'catch', 'finally']))) { + prefix = 'NEWLINE'; + } else { + if (opt.brace_style === "expand" || opt.brace_style === "end-expand") { + prefix = 'NEWLINE'; + } else { + prefix = 'SPACE'; + output_space_before_token = true; + } + } + } else if (last_type === 'TK_SEMICOLON' && flags.mode === MODE.BlockStatement) { + // TODO: Should this be for STATEMENT as well? + prefix = 'NEWLINE'; + } else if (last_type === 'TK_SEMICOLON' && is_expression(flags.mode)) { + prefix = 'SPACE'; + } else if (last_type === 'TK_STRING') { + prefix = 'NEWLINE'; + } else if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD' || + (flags.last_text === '*' && last_last_text === 'function')) { + prefix = 'SPACE'; + } else if (last_type === 'TK_START_BLOCK') { + prefix = 'NEWLINE'; + } else if (last_type === 'TK_END_EXPR') { + output_space_before_token = true; + prefix = 'NEWLINE'; + } + + if (token_type === 'TK_RESERVED' && in_array(token_text, line_starters) && flags.last_text !== ')') { + if (flags.last_text === 'else') { + prefix = 'SPACE'; + } else { + prefix = 'NEWLINE'; + } + + } + + if (token_type === 'TK_RESERVED' && in_array(token_text, ['else', 'catch', 'finally'])) { + if (last_type !== 'TK_END_BLOCK' || opt.brace_style === "expand" || opt.brace_style === "end-expand") { + print_newline(); + } else { + trim_output(true); + var line = output_lines[output_lines.length - 1]; + // If we trimmed and there's something other than a close block before us + // put a newline back in. Handles '} // comment' scenario. + if (line.text[line.text.length - 1] !== '}') { + print_newline(); + } + output_space_before_token = true; + } + } else if (prefix === 'NEWLINE') { + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + // no newline between 'return nnn' + output_space_before_token = true; + } else if (last_type !== 'TK_END_EXPR') { + if ((last_type !== 'TK_START_EXPR' || !(token_type === 'TK_RESERVED' && in_array(token_text, ['var', 'let', 'const']))) && flags.last_text !== ':') { + // no need to force newline on 'var': for (var x = 0...) + if (token_type === 'TK_RESERVED' && token_text === 'if' && flags.last_word === 'else' && flags.last_text !== '{') { + // no newline for } else if { + output_space_before_token = true; + } else { + print_newline(); + } + } + } else if (token_type === 'TK_RESERVED' && in_array(token_text, line_starters) && flags.last_text !== ')') { + print_newline(); + } + } else if (is_array(flags.mode) && flags.last_text === ',' && last_last_text === '}') { + print_newline(); // }, in lists get a newline treatment + } else if (prefix === 'SPACE') { + output_space_before_token = true; + } + print_token(); + flags.last_word = token_text; + + if (token_type === 'TK_RESERVED' && token_text === 'do') { + flags.do_block = true; + } + + if (token_type === 'TK_RESERVED' && token_text === 'if') { + flags.if_block = true; + } + } + + function handle_semicolon() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + // Semicolon can be the start (and end) of a statement + output_space_before_token = false; + } + while (flags.mode === MODE.Statement && !flags.if_block && !flags.do_block) { + restore_mode(); + } + print_token(); + if (flags.mode === MODE.ObjectLiteral) { + // if we're in OBJECT mode and see a semicolon, its invalid syntax + // recover back to treating this as a BLOCK + flags.mode = MODE.BlockStatement; + } + } + + function handle_string() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + // One difference - strings want at least a space before + output_space_before_token = true; + } else if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD') { + output_space_before_token = true; + } else if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') { + if (!start_of_object_property()) { + allow_wrap_or_preserved_newline(); + } + } else { + print_newline(); + } + print_token(); + } + + function handle_equals() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + if (flags.declaration_statement) { + // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done + flags.declaration_assignment = true; + } + output_space_before_token = true; + print_token(); + output_space_before_token = true; + } + + function handle_comma() { + if (flags.declaration_statement) { + if (is_expression(flags.parent.mode)) { + // do not break on comma, for(var a = 1, b = 2) + flags.declaration_assignment = false; + } + + print_token(); + + if (flags.declaration_assignment) { + flags.declaration_assignment = false; + print_newline(false, true); + } else { + output_space_before_token = true; + } + return; + } + + print_token(); + if (flags.mode === MODE.ObjectLiteral || + (flags.mode === MODE.Statement && flags.parent.mode === MODE.ObjectLiteral)) { + if (flags.mode === MODE.Statement) { + restore_mode(); + } + print_newline(); + } else { + // EXPR or DO_BLOCK + output_space_before_token = true; + } + + } + + function handle_operator() { + // Check if this is a BlockStatement that should be treated as a ObjectLiteral + if (token_text === ':' && flags.mode === MODE.BlockStatement && + last_last_text === '{' && + (last_type === 'TK_WORD' || last_type === 'TK_RESERVED')){ + flags.mode = MODE.ObjectLiteral; + } + + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + var space_before = true; + var space_after = true; + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + // "return" had a special handling in TK_WORD. Now we need to return the favor + output_space_before_token = true; + print_token(); + return; + } + + // hack for actionscript's import .*; + if (token_text === '*' && last_type === 'TK_DOT' && !last_last_text.match(/^\d+$/)) { + print_token(); + return; + } + + if (token_text === ':' && flags.in_case) { + flags.case_body = true; + indent(); + print_token(); + print_newline(); + flags.in_case = false; + return; + } + + if (token_text === '::') { + // no spaces around exotic namespacing syntax operator + print_token(); + return; + } + + // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1 + // if there is a newline between -- or ++ and anything else we should preserve it. + if (input_wanted_newline && (token_text === '--' || token_text === '++')) { + print_newline(); + } + + // Allow line wrapping between operators + if (last_type === 'TK_OPERATOR') { + allow_wrap_or_preserved_newline(); + } + + if (in_array(token_text, ['--', '++', '!', '~']) || (in_array(token_text, ['-', '+']) && (in_array(last_type, ['TK_START_BLOCK', 'TK_START_EXPR', 'TK_EQUALS', 'TK_OPERATOR']) || in_array(flags.last_text, line_starters) || flags.last_text === ','))) { + // unary operators (and binary +/- pretending to be unary) special cases + + space_before = false; + space_after = false; + + if (flags.last_text === ';' && is_expression(flags.mode)) { + // for (;; ++i) + // ^^^ + space_before = true; + } + + if (last_type === 'TK_RESERVED') { + space_before = true; + } + + if ((flags.mode === MODE.BlockStatement || flags.mode === MODE.Statement) && (flags.last_text === '{' || flags.last_text === ';')) { + // { foo; --i } + // foo(); --bar; + print_newline(); + } + } else if (token_text === ':') { + if (flags.ternary_depth === 0) { + if (flags.mode === MODE.BlockStatement) { + flags.mode = MODE.ObjectLiteral; + } + space_before = false; + } else { + flags.ternary_depth -= 1; + } + } else if (token_text === '?') { + flags.ternary_depth += 1; + } else if (token_text === '*' && last_type === 'TK_RESERVED' && flags.last_text === 'function') { + space_before = false; + space_after = false; + } + output_space_before_token = output_space_before_token || space_before; + print_token(); + output_space_before_token = space_after; + } + + function handle_block_comment() { + var lines = split_newlines(token_text); + var j; // iterator for this case + var javadoc = false; + var starless = false; + var lastIndent = whitespace_before_token.join(''); + var lastIndentLength = lastIndent.length; + + // block comment starts with a new line + print_newline(false, true); + if (lines.length > 1) { + if (all_lines_start_with(lines.slice(1), '*')) { + javadoc = true; + } + else if (each_line_matches_indent(lines.slice(1), lastIndent)) { + starless = true; + } + } + + // first line always indented + print_token(lines[0]); + for (j = 1; j < lines.length; j++) { + print_newline(false, true); + if (javadoc) { + // javadoc: reformat and re-indent + print_token(' ' + trim(lines[j])); + } else if (starless && lines[j].length > lastIndentLength) { + // starless: re-indent non-empty content, avoiding trim + print_token(lines[j].substring(lastIndentLength)); + } else { + // normal comments output raw + output_lines[output_lines.length - 1].text.push(lines[j]); + } + } + + // for comments of more than one line, make sure there's a new line after + print_newline(false, true); + } + + function handle_inline_comment() { + output_space_before_token = true; + print_token(); + output_space_before_token = true; + } + + function handle_comment() { + if (input_wanted_newline) { + print_newline(false, true); + } else { + trim_output(true); + } + + output_space_before_token = true; + print_token(); + print_newline(false, true); + } + + function handle_dot() { + if (start_of_statement()) { + // The conditional starts the statement if appropriate. + } + + if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) { + output_space_before_token = true; + } else { + // allow preserved newlines before dots in general + // force newlines on dots after close paren when break_chained - for bar().baz() + allow_wrap_or_preserved_newline(flags.last_text === ')' && opt.break_chained_methods); + } + + print_token(); + } + + function handle_unknown() { + print_token(); + + if (token_text[token_text.length - 1] === '\n') { + print_newline(); + } + } +} |