def get(self, arg):
o = self.response.out
style = self.request.get('style', 'interleaved')
url = '/' + arg
formatter = ProofFormatter(o, style, url)
stylesheet = '<link rel=stylesheet href="/static/showthm.css" type="text/css">\n'
common.header(o, 'List of theorems', stylesheet)
o.write('<p>List of theorems in ' + cgi.escape(arg) + ':</p>\n')
urlctx = read.UrlCtx(url)
runner = ListThmsRunner()
# We use the standard runner for imports and exports, but our own
# special one for the topmost context.
ctx = verify.VerifyCtx(urlctx, verify.run, runner.error_handler)
try:
runner.run(urlctx, url, ctx, DevNull())
except NotFound:
self.error(404)
self.response.out.write(url + ' not found')
return
logging.debug(`runner.thmlist`)
for error, thm_name, hypotheses, conclusion, lines in runner.thmlist:
header = get_header_from_description(lines)
if header is not None:
formatter.write_header(header)
lines = trim_description(lines)
description = []
for i in range(len(lines)):
line = lines[i].strip()
if line.startswith('#'):
description.append(line[1:].lstrip())
elif len(line) != 0:
break
descstr = ' '.join(description)
thmurl = urllib.quote(url + '/' + thm_name)
errstr = ''
o.write('<div class="listthm">')
if error:
errstr = '<a href="/edit' + thmurl + '" class="error_indicator">●</a> '
o.write('<div class="listthmline" ">%s<a href="%s">%s</a> %s</div>\n' % \
(errstr, thmurl, cgi.escape(thm_name), cgi.escape(descstr)))
if len(hypotheses) > 0:
prefix = ''
for hypothesis in hypotheses[1::2]:
o.write(prefix)
o.write('<span class="sexp">%s</span>\n' % cgi.escape(verify.sexp_to_string(hypothesis)))
prefix = ', '
o.write(' ⊢ ')
o.write('<span class="sexp">%s</span>\n' % cgi.escape(verify.sexp_to_string(conclusion)))
o.write('</div>')
o.write(
'''<script src="/js/verify.js" type="text/javascript"></script>
<script src="/js/showthm.js" type="text/javascript"></script>
<script src="/js/typeset.js" type="text/javascript"></script>
<script type="text/javascript">
GH.typeset_intermediates()
</script>
''')
def notify_newline(self):
self.output_accum()
self.formatter.proof_newline()
if self.tos_fresh:
tos_str = verify.sexp_to_string(self.proofctx.stack[-1])
if self.style == 'interleaved':
self.formatter.write_intermediate_line(tos_str, len(self.proofctx.stack))
self.tos_fresh = False
def notify_newline(self):
self.output_accum()
self.formatter.proof_newline()
if self.tos_fresh:
tos_str = verify.sexp_to_string(self.proofctx.stack[-1])
if self.style == 'interleaved':
self.formatter.write_intermediate_line(
tos_str, len(self.proofctx.stack))
self.tos_fresh = False
def get(self, arg):
o = self.response.out
style = self.request.get('style', 'interleaved')
url = '/' + arg
formatter = ProofFormatter(o, style, url)
stylesheet = '<link rel=stylesheet href="/static/showthm.css" type="text/css">\n'
common.header(o, 'List of theorems', stylesheet)
o.write('<div class="list-section">')
o.write('<p>List of theorems in ' + cgi.escape(arg) + ':</p>\n')
urlctx = read.UrlCtx(url)
runner = ListThmsRunner()
# We use the standard runner for imports and exports, but our own
# special one for the topmost context.
ctx = verify.VerifyCtx(urlctx, verify.run, runner.error_handler)
try:
runner.run(urlctx, url, ctx, DevNull())
except NotFound:
self.error(404)
self.response.out.write(url + ' not found')
return
logging.debug( ` runner.thmlist `)
for error, thm_name, hypotheses, conclusion, lines in runner.thmlist:
header = get_header_from_description(lines)
if header is not None:
formatter.write_header(header)
lines = trim_description(lines)
description = []
for i in range(len(lines)):
line = lines[i].strip()
if line.startswith('#'):
description.append(line[1:].lstrip())
elif len(line) != 0:
break
descstr = ' '.join(description)
thmurl = urllib.quote(url + '/' + thm_name)
errstr = ''
o.write(
'<div class="listthm" onclick="window.location=\'/edit%s\'">' %
(thmurl))
if error:
errstr = '<a href="/edit' + thmurl + '" class="error_indicator">●</a> '
o.write('<div class="listthmline" ">%s<a href="%s">%s</a> %s</div>\n' % \
(errstr, thmurl, cgi.escape(thm_name), cgi.escape(descstr)))
if len(hypotheses) > 0:
prefix = ''
for hypothesis in hypotheses[1::2]:
o.write(prefix)
o.write('<span class="sexp">%s</span>\n' %
cgi.escape(verify.sexp_to_string(hypothesis)))
prefix = ', '
o.write(' ⊢ ')
o.write('<span class="sexp">%s</span>\n' %
cgi.escape(verify.sexp_to_string(conclusion)))
o.write('</div>')
o.write('''<script src="/js/verify.js" type="text/javascript"></script>
<script src="/js/showthm.js" type="text/javascript"></script>
<script src="/js/typeset.js" type="text/javascript"></script>
<script src="/js/prover/numUtil.js" type="text/javascript"></script>
<script type="text/javascript">
GH.typeset_intermediates()
</script>
</div>
''')
def run(self, verifyctx):
trace = []
state = 3 if self.cmd == 'thm' else 12 # to match the state numbers in direct.js
sexpstack = []
concl = None
while True:
tok = self.s.get_tok()
if tok is None:
return 'unexpected eof'
thestep = None
#self.out.write('tok: ' + tok + ' ' + str(state) + '\n')
if state == 3:
if tok == '(':
sexpstack.append([])
state = 5
else:
return 'expected dv list'
elif state == 4:
if tok == '(':
sexpstack.append([])
state = 7
else:
return 'expected hyp list'
elif state == 6:
if tok == '(':
sexpstack.append([])
state = 9
elif tok == ')':
return 'expected proof stmt'
else:
thestep = tok
state = 8
elif state == 8:
if tok == '(':
sexpstack.append([])
state = 9
elif tok == ')':
state = 10
else:
thestep = tok
elif state in (5, 7, 9):
if tok == '(':
sexpstack.append([])
elif tok == ')':
if len(sexpstack) == 1:
thestep = sexpstack.pop()
state -= 1
else:
last = sexpstack.pop()
sexpstack[-1].append(last)
else:
sexpstack[-1].append(tok)
elif state == 12:
# kind of term being defined (defthm only)
if tok in ('(', ')'):
return 'expected defined kind'
state = 13
elif state == 13:
# beginning of definiendum (defthm only)
if tok == '(':
state = 14
else:
return 'expected definiendum'
elif state == 14:
# body of definiendum (defthm only)
if tok == ')':
state = 3
elif tok == '(':
return 'did not expect nested s-exp in definiendum'
if state == 4:
#self.out.write('dv list: ' + verify.sexp_to_string(thestep) + '\n')
label = None # doesn't seem to be needed
fvmap = {} # won't check these
varmap = {}
varlist = []
proofctx = verify.ProofCtx(label, fvmap)
proofctx.varmap = varmap
proofctx.varlist = varlist
self.proofctx = proofctx
elif state == 6:
#self.out.write('hyps: ' + verify.sexp_to_string(thestep) + '\n')
hypmap = {}
for i in range(0, len(thestep), 2):
hypmap[thestep[i]] = thestep[i + 1]
pass
elif state == 8 and concl is None:
#self.out.write('concl: ' + verify.sexp_to_string(thestep) + '\n')
concl = thestep
elif state == 8:
#self.out.write('step: ' + verify.sexp_to_string(thestep) + '\n')
stack_len_before = len(proofctx.stack)
verifyctx.check_proof_step(hypmap, thestep, proofctx)
if len(proofctx.mandstack) == 0:
if self.style == 'step':
n_popped = stack_len_before - len(proofctx.stack) + 1
step_string = verify.sexp_to_string(proofctx.stack[-1])
trace.append([n_popped, step_string])
self.accum.pop()
self.output_accum()
is_linkable = thestep in self.linkable_thms
self.formatter.write_proof_step(thestep, is_linkable)
self.tos_fresh = True
#self.out.write('proofctx stack len = %d\n' % len(proofctx.stack))
elif state == 10:
self.notify_newline()
self.formatter.done()
if self.style == 'step':
self.formatter.write_trace(trace)
break
def run(self, verifyctx):
trace = []
state = 3 if self.cmd == 'thm' else 12 # to match the state numbers in direct.js
sexpstack = []
concl = None
while True:
tok = self.s.get_tok()
if tok is None:
return 'unexpected eof'
thestep = None
#self.out.write('tok: ' + tok + ' ' + str(state) + '\n')
if state == 3:
if tok == '(':
sexpstack.append([])
state = 5
else:
return 'expected dv list'
elif state == 4:
if tok == '(':
sexpstack.append([])
state = 7
else:
return 'expected hyp list'
elif state == 6:
if tok == '(':
sexpstack.append([])
state = 9
elif tok == ')':
return 'expected proof stmt'
else:
thestep = tok
state = 8
elif state == 8:
if tok == '(':
sexpstack.append([])
state = 9
elif tok == ')':
state = 10
else:
thestep = tok
elif state in (5, 7, 9):
if tok == '(':
sexpstack.append([])
elif tok == ')':
if len(sexpstack) == 1:
thestep = sexpstack.pop()
state -= 1
else:
last = sexpstack.pop()
sexpstack[-1].append(last)
else:
sexpstack[-1].append(tok)
elif state == 12:
# kind of term being defined (defthm only)
if tok in ('(', ')'):
return 'expected defined kind'
state = 13
elif state == 13:
# beginning of definiendum (defthm only)
if tok == '(':
state = 14
else:
return 'expected definiendum'
elif state == 14:
# body of definiendum (defthm only)
if tok == ')':
state = 3
elif tok == '(':
return 'did not expect nested s-exp in definiendum'
if state == 4:
#self.out.write('dv list: ' + verify.sexp_to_string(thestep) + '\n')
label = None # doesn't seem to be needed
fvmap = {} # won't check these
varmap = {}
varlist = []
proofctx = verify.ProofCtx(label, fvmap)
proofctx.varmap = varmap
proofctx.varlist = varlist
self.proofctx = proofctx
elif state == 6:
#self.out.write('hyps: ' + verify.sexp_to_string(thestep) + '\n')
hypmap = {}
for i in range(0, len(thestep), 2):
hypmap[thestep[i]] = thestep[i + 1]
pass
elif state == 8 and concl is None:
#self.out.write('concl: ' + verify.sexp_to_string(thestep) + '\n')
concl = thestep
elif state == 8:
#self.out.write('step: ' + verify.sexp_to_string(thestep) + '\n')
stack_len_before = len(proofctx.stack)
verifyctx.check_proof_step(hypmap, thestep, proofctx)
if len(proofctx.mandstack) == 0:
if self.style == 'step':
n_popped = stack_len_before - len(proofctx.stack) + 1
step_string = verify.sexp_to_string(proofctx.stack[-1])
trace.append([n_popped, step_string])
self.accum.pop()
self.output_accum()
is_linkable = thestep in self.linkable_thms
self.formatter.write_proof_step(thestep, is_linkable)
self.tos_fresh = True
#self.out.write('proofctx stack len = %d\n' % len(proofctx.stack))
elif state == 10:
self.notify_newline()
self.formatter.done()
if self.style == 'step':
self.formatter.write_trace(trace)
break
