You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

42 lines
1.8 KiB

#!/usr/bin/python
#
# Fix a few errors from Emscripten output (stopgap until emscripten mainline
# is updated).
import os
import sys
fix_count = 0
for line in sys.stdin:
if len(line) > 1 and line[-1] == '\n':
line = line[:-1]
if line == r""" if (/<?{ ?[^}]* ?}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types""":
# RegExp fix, now fixed in the Emscripten repository and should no longer
# be necessary.
# https://github.com/kripken/emscripten/commit/277ac5239057721ebe3c6e7813dc478eeab2cea0
print(r""" if (/<?\{ ?[^}]* ?\}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types""")
fix_count += 1
elif line == r""" var sourceRegex = /^function\s\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;""":
# GH-11: Another RegExp escaping fix.
print(r""" var sourceRegex = /^function\s\(([^)]*)\)\s*\{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?\}$/;""")
fix_count += 1
elif line == r""" var sourceRegex = /^function\s*\(([^)]*)\)\s*{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?}$/;""":
# Another variant of above
print(r""" var sourceRegex = /^function\s*\(([^)]*)\)\s*\{\s*([^*]*?)[\s;]*(?:return\s*(.*?)[;\s]*)?\}$/;""")
fix_count += 1
elif line == r""" var parsed = jsfunc.toString().match(sourceRegex).slice(1);""":
# GH-11: Attempt to parse a function's toString() output with a RegExp.
# The RegExp makes invalid assumptions and won't parse Duktape's function
# toString output ("function empty() {/* source code*/)}").
# This stopgap will prevent a 'TypeError: invalid base reference for property read'
# and allows at least a hello world to run.
print(r""" var parsed = (jsfunc.toString().match(sourceRegex) || []).slice(1);""")
else:
print(line)
if fix_count > 0:
sys.stderr.write('Emscripten fixes needed (fix_emscripten.py): fix_count=%d' % fix_count)
sys.stderr.flush()