def MaybeCollect(self, ex, err):
# type: (Any, _ErrorWithLocation) -> None
# TODO: Any -> Executor
"""
Args:
ex: Executor instance
error: _ErrorWithLocation (ParseError or FatalRuntimeError)
"""
if not self.do_collect: # Either we already did it, or there is no file
return
self.var_stack, self.argv_stack, self.debug_stack = ex.mem.Dump()
span_id = word.SpanIdFromError(err)
self.error = {
'msg': err.UserErrorString(),
'span_id': span_id,
}
if span_id != const.NO_INTEGER:
span = ex.arena.GetLineSpan(span_id)
line_id = span.line_id
# Could also do msg % args separately, but JavaScript won't be able to
# render that.
self.error['source'] = ex.arena.GetLineSourceString(line_id)
self.error['line_num'] = ex.arena.GetLineNumber(line_id)
self.error['line'] = ex.arena.GetLine(line_id)
# TODO: Collect functions, aliases, etc.
self.do_collect = False
self.collected = True
def _ValToArithOrError(self,
val,
int_coerce=True,
blame_word=None,
span_id=const.NO_INTEGER):
if span_id == const.NO_INTEGER and blame_word:
span_id = word.LeftMostSpanForWord(blame_word)
#log('_ValToArithOrError span=%s blame=%s', span_id, blame_word)
try:
i = self._ValToArith(val, span_id, int_coerce=int_coerce)
except util.FatalRuntimeError as e:
if self.exec_opts.strict_arith:
raise
else:
i = 0
span_id = word.SpanIdFromError(e)
if self.arena: # BoolEvaluator for test builtin doesn't have it.
if span_id != const.NO_INTEGER:
ui.PrintFilenameAndLine(span_id, self.arena)
else:
log('*** Warning has no location info ***')
warn(e.UserErrorString())
return i
def _ValToArithOrError(self, val, blame_word=None, span_id=const.NO_INTEGER):
if span_id == const.NO_INTEGER and blame_word:
span_id = word.LeftMostSpanForWord(blame_word)
#log('_ValToArithOrError span=%s blame=%s', span_id, blame_word)
try:
i = self._ValToArith(val, span_id)
except util.FatalRuntimeError as e:
if self.exec_opts.strict_arith:
raise
else:
i = 0
span_id = word.SpanIdFromError(e)
self.errfmt.PrettyPrintError(e, prefix='warning: ')
return i
def _ValToArithOrError(self, val, int_coerce=True, blame_word=None,
span_id=const.NO_INTEGER):
if span_id == const.NO_INTEGER and blame_word:
span_id = word.LeftMostSpanForWord(blame_word)
#log('_ValToArithOrError span=%s blame=%s', span_id, blame_word)
try:
i = self._ValToArith(val, span_id, int_coerce=int_coerce)
except util.FatalRuntimeError as e:
if self.exec_opts.strict_arith:
raise
else:
i = 0
span_id = word.SpanIdFromError(e)
ui.PrintWarning(e.UserErrorString(), span_id, self.arena)
return i
def PrettyPrintError(err, arena, prefix='', f=sys.stderr):
# type: (_ErrorWithLocation, Arena, str, IO[str]) -> None
"""
Args:
prefix: in osh/cmd_exec.py we want to print 'fatal'
"""
msg = err.UserErrorString()
span_id = word.SpanIdFromError(err)
# TODO: Should there be a special span_id of 0 for EOF? const.NO_INTEGER
# means there is no location info, but 0 could mean that the location is EOF.
# So then you query the arena for the last line in that case?
# Eof_Real is the ONLY token with 0 span, because it's invisible!
# Well Eol_Tok is a sentinel with a span_id of const.NO_INTEGER. I think
# that is OK.
# Problem: the column for Eof could be useful.
_PrintWithOptionalSpanId(prefix, msg, span_id, arena, f)
def PrettyPrintError(err, arena, prefix='', f=sys.stderr):
# type: (ParseError, Arena, str, IO[str]) -> None
span_id = word.SpanIdFromError(err)
# TODO: Should there be a special span_id of 0 for EOF? const.NO_INTEGER
# means there is no location info, but 0 could mean that the location is EOF.
# So then you query the arena for the last line in that case?
# Eof_Real is the ONLY token with 0 span, because it's invisible!
# Well Eol_Tok is a sentinel with a span_id of const.NO_INTEGER. I think
# that is OK.
# Problem: the column for Eof could be useful.
if span_id == const.NO_INTEGER: # Any clause above might return this.
# This is usually a bug.
print('*** Error has no source location info ***', file=f)
else:
PrintFilenameAndLine(span_id, arena, f=f)
f.write(prefix)
print(err.UserErrorString(), file=f)