- #!/usr/bin/env python 
-   
- from __future__ import print_function 
-   
- import argparse 
- import errno 
- import functools 
- import html 
- import io 
- from multiprocessing import cpu_count 
- import os.path 
- import re 
- import shutil 
- import sys 
-   
- from pygments import highlight 
- from pygments.lexers.c_cpp import CppLexer 
- from pygments.formatters import HtmlFormatter 
-   
- import optpmap 
- import optrecord 
-   
-   
- desc = '''Generate HTML output to visualize optimization records from the YAML files 
- generated with -fsave-optimization-record and -fdiagnostics-show-hotness. 
-   
- The tools requires PyYAML and Pygments Python packages.''' 
-   
-   
- # This allows passing the global context to the child processes. 
- class Context: 
-     def __init__(self, caller_loc = dict()): 
-        # Map function names to their source location for function where inlining happened 
-        self.caller_loc = caller_loc 
-   
- context = Context() 
-   
- def suppress(remark): 
-     if remark.Name == 'sil.Specialized': 
-         return remark.getArgDict()['Function'][0].startswith('\"Swift.') 
-     elif remark.Name == 'sil.Inlined': 
-         return remark.getArgDict()['Callee'][0].startswith(('\"Swift.', '\"specialized Swift.')) 
-     return False 
-   
- class SourceFileRenderer: 
-     def __init__(self, source_dir, output_dir, filename, no_highlight): 
-         self.filename = filename 
-         existing_filename = None 
-         if os.path.exists(filename): 
-             existing_filename = filename 
-         else: 
-             fn = os.path.join(source_dir, filename) 
-             if os.path.exists(fn): 
-                 existing_filename = fn 
-   
-         self.no_highlight = no_highlight 
-         self.stream = io.open(os.path.join(output_dir, optrecord.html_file_name(filename)), 'w', encoding='utf-8') 
-         if existing_filename: 
-             self.source_stream = io.open(existing_filename, encoding='utf-8') 
-         else: 
-             self.source_stream = None 
-             print(u''' 
- <html> 
- <h1>Unable to locate file {}</h1> 
- </html> 
-             '''.format(filename), file=self.stream) 
-   
-         self.html_formatter = HtmlFormatter(encoding='utf-8') 
-         self.cpp_lexer = CppLexer(stripnl=False) 
-   
-     def render_source_lines(self, stream, line_remarks): 
-         file_text = stream.read() 
-   
-         if self.no_highlight: 
-             html_highlighted = file_text 
-         else: 
-             html_highlighted = highlight( 
-             file_text, 
-                 self.cpp_lexer, 
-                 self.html_formatter) 
-   
-             # Note that the API is different between Python 2 and 3.  On 
-             # Python 3, pygments.highlight() returns a bytes object, so we 
-             # have to decode.  On Python 2, the output is str but since we 
-             # support unicode characters and the output streams is unicode we 
-             # decode too. 
-             html_highlighted = html_highlighted.decode('utf-8') 
-   
-             # Take off the header and footer, these must be 
-             #   reapplied line-wise, within the page structure 
-             html_highlighted = html_highlighted.replace('<div class="highlight"><pre>', '') 
-             html_highlighted = html_highlighted.replace('</pre></div>', '') 
-   
-         for (linenum, html_line) in enumerate(html_highlighted.split('\n'), start=1): 
-             print(u''' 
- <tr> 
- <td><a name=\"L{linenum}\">{linenum}</a></td> 
- <td></td> 
- <td></td> 
- <td><div class="highlight"><pre>{html_line}</pre></div></td> 
- </tr>'''.format(**locals()), file=self.stream) 
-   
-             for remark in line_remarks.get(linenum, []): 
-                 if not suppress(remark): 
-                     self.render_inline_remarks(remark, html_line) 
-   
-     def render_inline_remarks(self, r, line): 
-         inlining_context = r.DemangledFunctionName 
-         dl = context.caller_loc.get(r.Function) 
-         if dl: 
-             dl_dict = dict(list(dl)) 
-             link = optrecord.make_link(dl_dict['File'], dl_dict['Line'] - 2) 
-             inlining_context = "<a href={link}>{r.DemangledFunctionName}</a>".format(**locals()) 
-   
-         # Column is the number of characters *including* tabs, keep those and 
-         # replace everything else with spaces. 
-         indent = line[:max(r.Column, 1) - 1] 
-         indent = re.sub('\S', ' ', indent) 
-   
-         # Create expanded message and link if we have a multiline message. 
-         lines = r.message.split('\n') 
-         if len(lines) > 1: 
-             expand_link = '<a style="text-decoration: none;" href="" onclick="toggleExpandedMessage(this); return false;">+</a>' 
-             message = lines[0] 
-             expand_message = u''' 
- <div class="full-info" style="display:none;"> 
-   <div class="col-left"><pre style="display:inline">{}</pre></div> 
-   <div class="expanded col-left"><pre>{}</pre></div> 
- </div>'''.format(indent, '\n'.join(lines[1:])) 
-         else: 
-             expand_link = '' 
-             expand_message = '' 
-             message = r.message 
-         print(u''' 
- <tr> 
- <td></td> 
- <td>{r.RelativeHotness}</td> 
- <td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td> 
- <td><pre style="display:inline">{indent}</pre><span class=\"column-entry-yellow\">{expand_link} {message} </span>{expand_message}</td> 
- <td class=\"column-entry-yellow\">{inlining_context}</td> 
- </tr>'''.format(**locals()), file=self.stream) 
-   
-     def render(self, line_remarks): 
-         if not self.source_stream: 
-             return 
-   
-         print(u''' 
- <html> 
- <title>{}</title> 
- <meta charset="utf-8" /> 
- <head> 
- <link rel='stylesheet' type='text/css' href='style.css'> 
- <script type="text/javascript"> 
- /* Simple helper to show/hide the expanded message of a remark. */ 
- function toggleExpandedMessage(e) {{ 
-   var FullTextElems = e.parentElement.parentElement.getElementsByClassName("full-info"); 
-   if (!FullTextElems || FullTextElems.length < 1) {{ 
-       return false; 
-   }} 
-   var FullText = FullTextElems[0]; 
-   if (FullText.style.display == 'none') {{ 
-     e.innerHTML = '-'; 
-     FullText.style.display = 'block'; 
-   }} else {{ 
-     e.innerHTML = '+'; 
-     FullText.style.display = 'none'; 
-   }} 
- }} 
- </script> 
- </head> 
- <body> 
- <div class="centered"> 
- <table class="source"> 
- <thead> 
- <tr> 
- <th style="width: 2%">Line</td> 
- <th style="width: 3%">Hotness</td> 
- <th style="width: 10%">Optimization</td> 
- <th style="width: 70%">Source</td> 
- <th style="width: 15%">Inline Context</td> 
- </tr> 
- </thead> 
- <tbody>'''.format(os.path.basename(self.filename)), file=self.stream) 
-         self.render_source_lines(self.source_stream, line_remarks) 
-   
-         print(u''' 
- </tbody> 
- </table> 
- </body> 
- </html>''', file=self.stream) 
-   
-   
- class IndexRenderer: 
-     def __init__(self, output_dir, should_display_hotness, max_hottest_remarks_on_index): 
-         self.stream = io.open(os.path.join(output_dir, 'index.html'), 'w', encoding='utf-8') 
-         self.should_display_hotness = should_display_hotness 
-         self.max_hottest_remarks_on_index = max_hottest_remarks_on_index 
-   
-     def render_entry(self, r, odd): 
-         escaped_name = html.escape(r.DemangledFunctionName) 
-         print(u''' 
- <tr> 
- <td class=\"column-entry-{odd}\"><a href={r.Link}>{r.DebugLocString}</a></td> 
- <td class=\"column-entry-{odd}\">{r.RelativeHotness}</td> 
- <td class=\"column-entry-{odd}\">{escaped_name}</td> 
- <td class=\"column-entry-{r.color}\">{r.PassWithDiffPrefix}</td> 
- </tr>'''.format(**locals()), file=self.stream) 
-   
-     def render(self, all_remarks): 
-         print(u''' 
- <html> 
- <meta charset="utf-8" /> 
- <head> 
- <link rel='stylesheet' type='text/css' href='style.css'> 
- </head> 
- <body> 
- <div class="centered"> 
- <table> 
- <tr> 
- <td>Source Location</td> 
- <td>Hotness</td> 
- <td>Function</td> 
- <td>Pass</td> 
- </tr>''', file=self.stream) 
-   
-         max_entries = None 
-         if self.should_display_hotness: 
-             max_entries = self.max_hottest_remarks_on_index 
-   
-         for i, remark in enumerate(all_remarks[:max_entries]): 
-             if not suppress(remark): 
-                 self.render_entry(remark, i % 2) 
-         print(u''' 
- </table> 
- </body> 
- </html>''', file=self.stream) 
-   
-   
- def _render_file(source_dir, output_dir, ctx, no_highlight, entry, filter_): 
-     global context 
-     context = ctx 
-     filename, remarks = entry 
-     SourceFileRenderer(source_dir, output_dir, filename, no_highlight).render(remarks) 
-   
-   
- def map_remarks(all_remarks): 
-     # Set up a map between function names and their source location for 
-     # function where inlining happened 
-     for remark in optrecord.itervalues(all_remarks): 
-         if isinstance(remark, optrecord.Passed) and remark.Pass == "inline" and remark.Name == "Inlined": 
-             for arg in remark.Args: 
-                 arg_dict = dict(list(arg)) 
-                 caller = arg_dict.get('Caller') 
-                 if caller: 
-                     try: 
-                         context.caller_loc[caller] = arg_dict['DebugLoc'] 
-                     except KeyError: 
-                         pass 
-   
-   
- def generate_report(all_remarks, 
-                     file_remarks, 
-                     source_dir, 
-                     output_dir, 
-                     no_highlight, 
-                     should_display_hotness, 
-                     max_hottest_remarks_on_index, 
-                     num_jobs, 
-                     should_print_progress): 
-     try: 
-         os.makedirs(output_dir) 
-     except OSError as e: 
-         if e.errno == errno.EEXIST and os.path.isdir(output_dir): 
-             pass 
-         else: 
-             raise 
-   
-     if should_print_progress: 
-         print('Rendering index page...') 
-     if should_display_hotness: 
-         sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.Hotness, r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function), reverse=True) 
-     else: 
-         sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function)) 
-     IndexRenderer(output_dir, should_display_hotness, max_hottest_remarks_on_index).render(sorted_remarks) 
-   
-     shutil.copy(os.path.join(os.path.dirname(os.path.realpath(__file__)), 
-             "style.css"), output_dir) 
-   
-     _render_file_bound = functools.partial(_render_file, source_dir, output_dir, context, no_highlight) 
-     if should_print_progress: 
-         print('Rendering HTML files...') 
-     optpmap.pmap(_render_file_bound, 
-                  file_remarks.items(), 
-                  num_jobs, 
-                  should_print_progress) 
-   
-   
- def main(): 
-     parser = argparse.ArgumentParser(description=desc) 
-     parser.add_argument( 
-         'yaml_dirs_or_files', 
-         nargs='+', 
-         help='List of optimization record files or directories searched ' 
-              'for optimization record files.') 
-     parser.add_argument( 
-         '--output-dir', 
-         '-o', 
-         default='html', 
-         help='Path to a directory where generated HTML files will be output. ' 
-              'If the directory does not already exist, it will be created. ' 
-              '"%(default)s" by default.') 
-     parser.add_argument( 
-         '--jobs', 
-         '-j', 
-         default=None, 
-         type=int, 
-         help='Max job count (defaults to %(default)s, the current CPU count)') 
-     parser.add_argument( 
-         '--source-dir', 
-         '-s', 
-         default='', 
-         help='set source directory') 
-     parser.add_argument( 
-         '--no-progress-indicator', 
-         '-n', 
-         action='store_true', 
-         default=False, 
-         help='Do not display any indicator of how many YAML files were read ' 
-              'or rendered into HTML.') 
-     parser.add_argument( 
-         '--max-hottest-remarks-on-index', 
-         default=1000, 
-         type=int, 
-         help='Maximum number of the hottest remarks to appear on the index page') 
-     parser.add_argument( 
-         '--no-highlight', 
-         action='store_true', 
-         default=False, 
-         help='Do not use a syntax highlighter when rendering the source code') 
-     parser.add_argument( 
-         '--demangler', 
-         help='Set the demangler to be used (defaults to %s)' % optrecord.Remark.default_demangler) 
-   
-     parser.add_argument( 
-         '--filter', 
-         default='', 
-         help='Only display remarks from passes matching filter expression') 
-   
-     # Do not make this a global variable.  Values needed to be propagated through 
-     # to individual classes and functions to be portable with multiprocessing across 
-     # Windows and non-Windows. 
-     args = parser.parse_args() 
-   
-     print_progress = not args.no_progress_indicator 
-     if args.demangler: 
-         optrecord.Remark.set_demangler(args.demangler) 
-   
-     files = optrecord.find_opt_files(*args.yaml_dirs_or_files) 
-     if not files: 
-         parser.error("No *.opt.yaml files found") 
-         sys.exit(1) 
-   
-     all_remarks, file_remarks, should_display_hotness = \ 
-         optrecord.gather_results(files, args.jobs, print_progress, args.filter) 
-   
-     map_remarks(all_remarks) 
-   
-     generate_report(all_remarks, 
-                     file_remarks, 
-                     args.source_dir, 
-                     args.output_dir, 
-                     args.no_highlight, 
-                     should_display_hotness, 
-                     args.max_hottest_remarks_on_index, 
-                     args.jobs, 
-                     print_progress) 
-   
- if __name__ == '__main__': 
-     main() 
-