pmacs3/mode/perl.py

746 lines
31 KiB
Python

import re, sets, string, sys
import color, commands, completer, default, method, mode, regex, tab
from point import Point
from lex import Grammar, PatternRule, ContextPatternRule, RegionRule, OverridePatternRule, PatternGroupRule
from method import Argument, Method, WrapParagraph
class PodGrammar(Grammar):
rules = [
RegionRule(r'entry', r'(?<=^=head[1-4]) +.*$', Grammar, '^\n$'),
RegionRule(r'entry', r'(?<=^=over) +.*$', Grammar, '^\n$'),
RegionRule(r'entry', r'(?<=^=item) +.*$', Grammar, '^\n$'),
RegionRule(r'entry', r'(?:(?<=^=begin)|(?<=^=end)) +.*$', Grammar, '^\n$'),
RegionRule(r'entry', r'(?<=^=encoding) +.*$', Grammar, '^\n$'),
]
def _make_string_rules(forbidden=None):
if forbidden:
rule = PatternRule(r'scalar', r"\$[^A-Za-z0-9 \\%s](?![A-Za-z0-9_])" % forbidden)
else:
rule = ContextPatternRule(r'scalar', r"\$[^A-Za-z0-9 %(delim)s](?![A-Za-z0-9_])", r"\$[^A-Za-z0-9 ](?![A-Za-z0-9_])")
rules = [
PatternRule(r'octal', r'\\[0-7]{3}'),
PatternRule(r'escaped', r'\\.'),
PatternRule(r'deref', r"\$+[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?:(?:->)?{\$?(?:[a-zA-Z_][a-zA-Z_0-9]*|'(?:\\.|[^'\\])*'|\"(\\.|[^\\\"])*\")}|(?:->)?\[\$?[0-9a-zA-Z_]+\])+"),
PatternRule(r'length', r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
rule,
PatternRule(r'scalar', r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(r'cast', r"[\$\@\%\&]{.*?}"),
PatternRule(r'array', r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
]
return rules
class StringGrammar(Grammar):
rules = _make_string_rules()
class QuotedGrammar1(Grammar):
rules = _make_string_rules(')')
class QuotedGrammar2(Grammar):
rules = _make_string_rules('}')
class QuotedGrammar3(Grammar):
rules = _make_string_rules('>')
class QuotedGrammar4(Grammar):
rules = _make_string_rules(']')
class PerlGrammar(Grammar):
rules = [
RegionRule(r'heredoc', r"<<(?P<heredoc>[a-zA-Z_][a-zA-Z0-9_]+)", None, ';\n', StringGrammar, r'^%(heredoc)s$'),
RegionRule(r'heredoc', r'<< *"(?P<heredoc>[a-zA-Z0-9_]+)" *;', StringGrammar, r'^%(heredoc)s$'),
RegionRule(r'heredoc', r"<< *'(?P<heredoc>[a-zA-Z0-9_]+)' *;", Grammar, r'^%(heredoc)s$'),
RegionRule(r'evaldoc', r"<< *`(?P<heredoc>[a-zA-Z0-9_]+)` *;", StringGrammar, r'^%(heredoc)s$'),
RegionRule(r'endblock', r"^__END__|__DATA__ *$", Grammar, r''),
RegionRule(r'pod', r'^=[a-zA-Z0-9_]+', PodGrammar, r'^=cut'),
OverridePatternRule(r'comment', r'#@@:(?P<token>[.a-zA-Z0-9_]+):(?P<mode>[.a-zA-Z0-9_]+) *$'),
#PatternRule(r'prototype', r'\([\\@$%&*;]+\)'),
PatternGroupRule(r'prototype', r'delimiter', r'\(', r'prototype', r'[\[\]\\@$%&*;]+', r'delimiter', '\)'),
PatternRule(r'comment', r'#.*$'),
RegionRule(r'perl_string', r'"', StringGrammar, r'"'),
RegionRule(r'perl_string', r"'", Grammar, r"'"),
RegionRule(r'evalstring', r"`", StringGrammar, r"`"),
PatternRule(r'number', r'0?\.[0-9]+|[0-9]+(?:\.[0-9]+)?'),
PatternRule(r'perl_keyword', r"(?<!->)(?:STDIN|STDERR|STDOUT|continue|do|else|elsif|eval|foreach|for|if|last|my|next|our|package|require|return|sub|undef|unless|until|use|while)(?![a-zA-Z0-9_])"),
PatternRule(r'hash_key', r'(?<={)[A-Za-z0-9_]+(?=})'),
PatternRule(r'hash_key', r'[A-Za-z0-9_]+(?= *=>)'),
PatternRule(r'length', r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(r'cast', r'[\$\@\%\^\&](?= *{)'),
PatternRule(r'scalar', r"\$[\[\]<>ab/'\"_@\?#\$!%^|&*()](?![A-Za-z0-9_])"),
PatternRule(r'array', r"@_"),
PatternRule(r'perl_function', r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?=-> *\()"),
PatternRule(r'scalar', r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(r'array', r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
PatternRule(r'perl_hash', r"%\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
PatternRule(r'deref', r"[@%\$&\*](?={)"),
# match regexes
RegionRule(r'match', r'(?:(?<==~)|(?<=!~)|(?<=\()|(?<=split)) *(?P<delim>/)', StringGrammar, r'/[a-z]*'),
RegionRule(r'match', r'm *(?P<delim>[^ #a-zA-Z0-9_])', StringGrammar, r'%(delim)s[a-z]*'),
RegionRule(r'match', r'm(?P<delim>#)', StringGrammar, r'#[a-z]*'),
# replace regexes
RegionRule(r'replace', r's *(?P<delim>[^ a-zA-Z0-9_])', StringGrammar, r'%(delim)s', StringGrammar, r'%(delim)s[a-z]*'),
RegionRule(r'replace', r's(?P<delim>#)', StringGrammar, r'#', StringGrammar, r'#[a-z]*'),
# translate operator
RegionRule(r'translate', r'(?:y|tr) *(?P<delim>[^ a-zA-Z0-9_])', Grammar, r'%(delim)s', Grammar, r'%(delim)s[a-z]*'),
RegionRule(r'translate', r'(?:y|tr)#', Grammar, r'#', Grammar, r'#[a-z]*'),
# some more basic stuff
PatternRule(r'package', r"(?<=package )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'sub', r"(?<=sub )[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'use', r"(?<=use )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'require', r"(?<=require )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'perl_label', r'[a-zA-Z_][a-zA-Z0-9_]*:(?!:)'),
PatternRule(r'method', r"(?<=->)[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'perl_function', r"&\$*(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(r'perl_builtin', r"(?<!->)&?(?:write|warn|wantarray|waitpid|wait|vec|values|utime|use|untie|unshift|unpack|unlink|undef|umask|ucfirst|uc|truncate|times|time|tied|tie|telldir|tell|syswrite|system|sysseek|sysread|sysopen|syscall|symlink|substr|sub|study|stat|srand|sqrt|sprintf|split|splice|sort|socketpair|socket|sleep|sin|shutdown|shmwrite|shmread|shmget|shmctl|shift|setsockopt|setservent|setpwent|setprotoent|setpriority|setpgrp|setnetent|sethostent|setgrent|send|semop|semget|semctl|select|seekdir|seek|scalar|rmdir|rindex|rewinddir|reverse|return|reset|require|rename|ref|redo|recv|readpipe|readlink|readline|readdir|read|rand|quotemeta|push|prototype|printf|print|pos|pop|pipe|package|pack|our|ord|opendir|open|oct|no|next|my|msgsnd|msgrcv|msgget|msgctl|mkdir|map|lstat|log|lock|localtime|local|listen|link|length|lcfirst|lc|last|kill|keys|join|ioctl|int|index|import|hex|grep|goto|gmtime|glob|getsockopt|getsockname|getservent|getservbyport|getservbyname|getpwuid|getpwnam|getpwent|getprotoent|getprotobynumber|getprotobyname|getpriority|getppid|getpgrp|getpeername|getnetent|getnetbyname|getnetbyaddr|getlogin|gethostent|gethostbyname|gethostbyaddr|getgrnam|getgrgid|getgrent|getc|formline|format|fork|flock|fileno|fcntl|exp|exit|exists|exec|eval|eof|endservent|endpwent|endprotoent|endnetent|endhostent|endgrent|each|dump|do|die|delete|defined|dbmopen|dbmclose|crypt|cos|continue|connect|closedir|close|chroot|chr|chown|chop|chomp|chmod|chdir|caller|bless|binmode|bind|atan2|alarm|accept|abs)(?![a-zA-Z0-9_])"),
# quote operator: qq(), qx() and qr() usually interpolate
RegionRule(r'quoted', r'q[rqx] *(?P<delim>\()', QuotedGrammar1, r'\)'),
RegionRule(r'quoted', r'q[rqx] *(?P<delim>{)', QuotedGrammar2, r'}'),
RegionRule(r'quoted', r'q[rqx] *(?P<delim><)', QuotedGrammar3, r'>'),
RegionRule(r'quoted', r'q[rqx] *(?P<delim>\[)', QuotedGrammar4, r'\]'),
RegionRule(r'quoted', r"q[rqx] *(?P<delim>')", Grammar, r"'"),
RegionRule(r'quoted', r'q[rqx] *(?P<delim>[^ #])', StringGrammar, r'%(delim)s'),
RegionRule(r'quoted', r'q[rqx](?P<delim>#)', StringGrammar, r'#'),
# quote operator: q() and qw() do not interpolate
RegionRule(r'quoted', r'qw? *\(', Grammar, r'\)'),
RegionRule(r'quoted', r'qw? *{', Grammar, r'}'),
RegionRule(r'quoted', r'qw? *<', Grammar, r'>'),
RegionRule(r'quoted', r'qw? *\[', Grammar, r'\]'),
RegionRule(r'quoted', r'qw?#', Grammar, r'#'),
RegionRule(r'quoted', r'qw? *(?P<delim>[^ #])', Grammar, r'%(delim)s'),
PatternRule(r'perl_function', r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*(?= *\()"),
PatternRule(r'perl_class', r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*(?=->)"),
# some basic stuff
PatternRule(r'delimiter', r"->|=>|(?<!:):(?!=:)|[,;=\?(){}\[\]\(\)]"),
PatternRule(r'operator', r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
PatternRule(r'operator', r"\+\+|\+|<=>|<>|<<|<=|<|-|>>|>=|>|\*\*|\*|&&|&|\|\||\||/|\^|==|//|~|=~|!~|!=|%|!|\.|x(?![a-zA-Z_])"),
PatternRule(r'noperator', r"(?:xor|or|not|ne|lt|le|gt|ge|eq|cmp|and)(?![a-zA-Z_])"),
PatternRule(r'bareword', r'(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*'),
PatternRule(r"eol", r"\n$"),
]
class PerlTabber(tab.StackTabber):
def is_base(self, y):
if y == 0:
return True
highlighter = self.mode.window.buffer.highlights[self.mode.name()]
if not highlighter.tokens[y]:
return False
t = highlighter.tokens[y][0]
return t.name == 'perl_keyword' and t.string == 'sub'
def _handle_open_token(self, currlvl, y, i):
currlvl = tab.StackTabber._handle_open_token(self, currlvl, y, i)
return currlvl
def _handle_close_token(self, currlvl, y, i):
w = self.mode.tabwidth
self._opt_pop('cont')
currlvl = tab.StackTabber._handle_close_token(self, currlvl, y, i)
token = self.get_token(y, i)
if self.is_rightmost_token(y, i):
if token.string == '}':
self._opt_pop('cont')
else:
self._opt_append('cont', currlvl + w)
return currlvl
def _handle_other_token(self, currlvl, y, i):
w = self.mode.tabwidth
token = self.get_token(y, i)
fqname = token.fqname()
if fqname == 'delimiter' and token.string == ';':
self._opt_pop('cont')
elif fqname == 'heredoc.start':
self._opt_append('heredoc', None)
elif fqname == 'heredoc.end':
self._opt_pop('heredoc')
self._opt_pop('cont')
elif fqname == 'quoted.start':
self._opt_append('quoted', currlvl + w)
elif fqname == 'quoted.end':
self._opt_pop('cont')
self._opt_pop('quoted')
elif fqname == 'evaldoc.start':
self._opt_append('evaldoc', None)
elif fqname == 'evaldoc.end':
self._opt_pop('evaldoc')
self._opt_pop('cont')
elif fqname == 'pod.start':
self._opt_append('pod', None)
elif fqname == 'pod.end':
self._opt_pop('pod')
currlvl = 0
elif fqname == 'perl_string.start':
self._opt_append('string', None)
elif fqname == 'perl_string.end':
self._opt_pop('string')
if self.is_rightmost_token(y, i):
self._opt_append('cont', currlvl + w)
if self.is_rightmost_token(y, i):
if(not fqname.startswith('pod') and
not fqname.startswith('heredoc') and
not fqname.startswith('perl_string') and
not fqname.startswith('endblock') and
not fqname == 'eol' and
not fqname == 'comment' and
not fqname == 'null' and
token.string not in ('}', ';', '(', '{', '[', ',')):
self._opt_append('cont', currlvl + w)
return currlvl
class PerlSetLib(Method):
'''Set the path(s) to find perl modules'''
args = [Argument("lib", type=type(""), prompt="Location of lib: ",
default=default.build_constant("."))]
def _execute(self, w, **vargs):
w.application.config['perl.lib'] = vargs['lib']
class PerlCheckSyntax(Method):
'''Check the syntax of a perl file'''
def _execute(self, w, **vargs):
app = w.application
perllib = w.application.config.get('perl.lib')
if perllib:
cmd = "perl -c -I '%s' '%s'" % (perllib, w.buffer.path)
else:
cmd = "perl -c '%s'" % (w.buffer.path)
(status, output) = commands.getstatusoutput(cmd)
if status == 0:
app.set_error("Syntax OK")
app.data_buffer("*Perl-Check-Syntax*", output, switch_to=False)
else:
app.data_buffer("*Perl-Check-Syntax*", output)
class PerlViewModulePerldoc(Method):
'''View documentation about this file using perldoc'''
def _execute(self, w, **vargs):
cmd = "perldoc -t -T '%s'" % w.buffer.path
(status, output) = commands.getstatusoutput(cmd)
w.application.data_buffer("*Perldoc*", output, switch_to=True)
class PerlViewWordPerldoc(Method):
'''View documentation about a package or function using perldoc'''
def _try(self, w, word, asfunc=False):
if asfunc:
cmd = "perldoc -t -T -f '%s'" % (word,)
else:
cmd = "perldoc -t -T '%s'" % (word,)
perllib = w.application.config.get('perl.lib')
if perllib:
cmd = 'PERL5LIB=%r %s' % (perllib, cmd)
(status, data) = commands.getstatusoutput(cmd)
if status == 0:
return data
else:
return None
def _show(self, w, data, word):
w.application.data_buffer("*Perldoc*", data, switch_to=True)
w.application.set_error('displaying documentation for %r' % word)
def _execute(self, w, **vargs):
token = w.get_token()
#word = w.get_word(wl=string.letters + string.digits + '_:')
word = token.string
# make sure that the name is (mostly) valid
if word is None:
w.application.set_error('no word selected')
return
elif ':' in word and '::' not in word:
w.application.set_error('invalid word: %r' % word)
return
# first try it is a package, unless it's a builtin
if not token.name == "perl_builtin":
parts = word.split('::')
while len(parts) > 0:
newword = '::'.join(parts)
data = self._try(w, newword, asfunc=False)
if data:
self._show(w, data, newword)
return
parts.pop(-1)
# then try it as a function
data = self._try(w, word, asfunc=True)
if data:
self._show(w, data, word)
else:
w.application.set_error('nothing found for %r' % word)
class PerlInitFunctions(Method):
'''Jump to a function defined in this module'''
def _execute(self, w, **vargs):
w.mode.build_function_map()
w.application.set_error("Initialized function map")
class PerlGotoFunction(Method):
'''Jump to a function defined in this module'''
args = [Argument("name", type(""), "perlfunction", "Goto Function: ")]
def _execute(self, w, **vargs):
name = vargs['name']
functions = w.mode.get_functions()
if name in functions:
w.goto(Point(0, functions[name]))
else:
w.application.set_error("Function %r was not found" % name)
class PerlListFunctions(Method):
'''Show the user all functions defined in this module'''
def _execute(self, w, **vargs):
names = w.mode.get_function_names()
output = "\n".join(names) + "\n"
w.application.data_buffer("*Perl-List-Functions*", output, switch_to=True)
class PerlWhichFunction(Method):
'''Show the user what function they are in'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
i = cursor.y
name = None
while i >= 0 and name is None:
line = w.buffer.lines[i]
m = regex.perl_function.match(line)
if m:
name = m.group(1)
else:
i -= 1
if name is None:
w.application.set_error("None");
else:
w.application.set_error("line %d: %s" % (i, name))
class PerlHashCleanup(Method):
'''Correctly align assignment blocks and literal hashes'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
b = w.buffer
# so this is where we will store the groups that we find
groups_by_line = {}
# the regex we will try
regexes = [regex.perl_hash_cleanup,
regex.perl_assign_cleanup]
# if we aren't in a hash, inform the user and exit
line = b.lines[cursor.y]
myregex = None
for r in regexes:
if r.match(line):
myregex = r
if myregex is None:
raise Exception, "Not a perl hash line"
groups_by_line[cursor.y] = myregex.match(line).groups()
# find the beginning of this hash block
start = 0
i = cursor.y - 1
while i >= 0:
line = b.lines[i]
m = myregex.match(line)
if not m:
start = i + 1
break
else:
groups_by_line[i] = m.groups()
i -= 1
# find the end of this hash block
end = len(b.lines) - 1
i = cursor.y + 1
while i < len(b.lines):
line = b.lines[i]
m = myregex.match(line)
if not m:
end = i - 1
break
else:
groups_by_line[i] = m.groups()
i += 1
# assume that the least indented line is correct
indent_w = min([len(groups_by_line[k][0]) for k in groups_by_line])
# find the longest hash key to base all the other padding on
key_w = max([len(groups_by_line[k][1]) for k in groups_by_line])
# for each line, format it correctly
keys = groups_by_line.keys()
keys.sort()
data = ''
for i in keys:
indent_pad = ' ' * indent_w
key = groups_by_line[i][1]
sep = groups_by_line[i][3]
value = groups_by_line[i][5]
key_pad = ' ' * (key_w - len(key))
data += indent_pad + key + key_pad + ' ' + sep + ' ' + value + '\n'
# remove the old text and add the new
start_p = Point(0, start)
if end < len(w.buffer.lines) - 1:
end_p = Point(0, end + 1)
else:
end_p = Point(len(w.buffer.lines[end]), end)
w.kill(start_p, end_p)
w.insert_string(start_p, data)
class PerlHashCleanup2(Method):
#_hash_parts = (
# (TokenMatch('null', None),),
# (TokenMatch('hash_key', None), TokenMatch('string.start', None)),
# (TokenMatch('null', None),),
# (TokenMatch('delimiter', '=>'),),
# (TokenMatch('null', None),),
#)
def _hash_matchXXX(self, group, line):
i = 0
j = 0
stages = []
while tok_i < len(group):
token = group[i]
name = token.fqname()
data = token.string
k = len(stages)
if k < len(self._hash_parts):
for (name2, data2) in self._hash_parts[k]:
if (name2 is None or name == name2 and
data2 is None or data == data2):
stages.append(line[j:token.x])
j = token.x
else:
stages.append(line[j:])
return stages
i += 1
return None
def _assign_match(self, group):
return None
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
tokens = w.buffer.highlights[w.mode.name()].tokens
if self._hash_match(tokens[cursor.y]):
token_groups = self._parse_hash(w, **vargs)
elif self._assign_match(tokens[cursor.y]):
token_groups = self._parse_assign(w, **vargs)
else:
w.set_error("Not a hash line")
return
ys = token_groups.keys()
ys.sort()
segment_groups = []
for y in ys:
line = w.buffer.lines[y]
segments = []
i = 0
for token in token_groups[y]:
segments.append(line[i:token.x])
i = token.x
segments.append(line[i:])
segment_groups.append(segments)
output = "Lines %d through %d\n%r" % (ys[0] + 1, ys[-1] + 1, segment_groups)
w.application.data_buffer("hash-dump", output, switch_to=True)
def _parse_hash(self, w, **vargs):
cursor = w.logical_cursor()
tokens = w.buffer.highlights[w.mode.name()].tokens
lines = {cursor.y: self._hash_match(tokens[cursor.y])}
y1 = cursor.y
while y1 > 0:
match = self._hash_match(tokens[y1 - 1])
if not match:
break
lines[y1 - 1] = match
y1 -= 1
y2 = cursor.y
while y2 < len(tokens) - 1:
match = self._hash_match(tokens[y2 + 1])
if not match:
break
lines[y2 + 1] = match
y2 += 1
return lines
def _parse_assign(self, w, **vargs):
pass
class PerlWrapParagraph(method.WrapParagraph):
'''Wrap Comments and POD'''
# enumerations for line types
LT_COMMENT = 1
LT_POD = 2
margin = 80
comment_re = re.compile('( *)(#+)( *)(.*)')
def _is_newline(self, t):
return t.name == 'eol'
def _is_space(self, t):
return t.name == 'null' and regex.space.match(t.string)
def _detect_line_type(self, w, y):
h = w.buffer.highlights[w.mode.name()]
ltype = None
for t in h.tokens[y]:
fqname = t.fqname()
if fqname == 'null' or fqname == 'eol':
pass
elif fqname.startswith('comment'):
if ltype and ltype != 'comment':
ltype = None
break
ltype = self.LT_COMMENT
elif fqname.startswith('pod'):
if ltype and ltype != 'pod':
ltype = None
break
ltype = self.LT_POD
else:
ltype = None
break
return ltype
def _fix_comments(self, c, w):
h = w.buffer.highlights[w.mode.name()]
y1 = c.y
y2 = c.y
while y2 < len(w.buffer.lines) - 1:
if self._detect_line_type(w, y2 + 1):
y2 += 1
else:
break
lines = w.buffer.lines[y1:y2 + 1]
m = self.comment_re.match(lines[0])
assert m
prepend = m.group(1) + m.group(2)
rmargin = self.margin - len(prepend)
dpad = m.group(3)
segments = []
for line in lines:
m = self.comment_re.match(line)
assert m
pad, data = m.group(3), m.group(4)
if segments and pad == dpad and segments[-1][0] == dpad and segments[-1][1]:
data = segments.pop(-1)[1] + ' ' + data
i = 0
while len(pad) + len(data[i:]) > rmargin:
while data[i] == ' ':
i += 1
j = rmargin - len(pad)
while j >= 0 and data[i + j] != ' ':
j -= 1
if j < 0:
j = rmargin - len(pad)
segments.append([pad, data[i:i + j]])
i += j
if data:
while data[i] == ' ':
i += 1
segments.append([pad, data[i:]])
else:
segments.append(['', ''])
lines2 = [prepend + x[0] + x[1] for x in segments]
p1 = Point(0, y1)
p2 = Point(len(w.buffer.lines[y2]), y2)
w.buffer.delete(p1, p2)
w.buffer.insert_lines(p1, lines2)
w.set_error("wrapped comment lines %d-%d" % (y1 + 1, y2 + 1))
def _fix_pod(self, c, w):
w.set_error("pod wrapping not yet supported")
def _execute(self, w, **vargs):
c = w.logical_cursor()
ltype = self._detect_line_type(w, c.y)
if ltype == self.LT_COMMENT:
self._fix_comments(c, w)
elif ltype == self.LT_POD:
WrapParagraph._execute(self, w, **vargs)
else:
w.set_error("did not detect comment or pod lines")
class PerlFunctionCompleter(completer.Completer):
def get_candidates(self, s, w=None):
old_window = w.buffer.method.old_window
functions = old_window.mode.get_functions()
return [n for n in functions if n.startswith(s)]
class Perl(mode.Fundamental):
modename = 'Perl'
extensions = ['.pl', '.pm']
detection = ['perl']
tabbercls = PerlTabber
grammar = PerlGrammar
opentokens = ('delimiter',)
opentags = {'(': ')', '[': ']', '{': '}'}
closetokens = ('delimiter',)
closetags = {')': '(', ']': '[', '}': '{'}
colors = {
# comments
'endblock.start': ('red', 'default', 'bold'),
'endblock.null': ('red', 'default', 'bold'),
'endblock.end': ('red', 'default', 'bold'),
# pod
'pod.start': ('red', 'default', 'bold'),
'pod.null': ('red', 'default', 'bold'),
'pod.entry.start': ('magenta', 'default', 'bold'),
'pod.entry.null': ('magenta', 'default', 'bold'),
'pod.entry.end': ('magenta', 'default', 'bold'),
'pod.end': ('red', 'default', 'bold'),
# basic stuff
'escaped': ('magenta', 'default', 'bold'),
'null': ('default', 'default', 'bold'),
'sub': ('cyan', 'default', 'bold'),
'prototype': ('magenta', 'default', 'bold'),
'operator': ('default', 'default', 'bold'),
'noperator': ('magenta', 'default', 'bold'),
'endblock': ('red', 'default', 'bold'),
'perl_keyword': ('magenta', 'default', 'bold'),
'cast': ('yellow', 'default', 'bold'),
'scalar': ('yellow', 'default', 'bold'),
'array': ('yellow', 'default', 'bold'),
'deref': ('yellow', 'default', 'bold'),
'perl_hash': ('yellow', 'default', 'bold'),
'hash_key': ('green', 'default', 'bold'),
'perl_function': ('cyan', 'default', 'bold'),
'perl_builtin': ('magenta', 'default', 'bold'),
'perl_label': ('cyan', 'default', 'bold'),
'package': ('cyan', 'default', 'bold'),
'perl_class': ('cyan', 'default', 'bold'),
'use': ('cyan', 'default', 'bold'),
'require': ('cyan', 'default', 'bold'),
# heredoc/evaldoc
'heredoc.start': ('green', 'default', 'bold'),
'heredoc.null': ('green', 'default', 'bold'),
'heredoc.end': ('green', 'default', 'bold'),
'evaldoc.start': ('cyan', 'default', 'bold'),
'evaldoc.null': ('cyan', 'default', 'bold'),
'evaldoc.end': ('cyan', 'default', 'bold'),
# strings
'perl_string.start': ('green', 'default', 'bold'),
'perl_string.null': ('green', 'default', 'bold'),
'perl_string.escaped': ('magenta', 'default', 'bold'),
'perl_string.deref': ('yellow', 'default', 'bold'),
'perl_string.end': ('green', 'default', 'bold'),
# `` strings
'evalstring.start': ('cyan', 'default', 'bold'),
'evalstring.null': ('cyan', 'default', 'bold'),
'evalstring.escaped': ('magenta', 'default', 'bold'),
'evalstring.deref': ('yellow', 'default', 'bold'),
'evalstring.end': ('cyan', 'default', 'bold'),
# quoted region
'quoted': ('cyan', 'default', 'bold'),
'quoted.start': ('cyan', 'default', 'bold'),
'quoted.null': ('cyan', 'default', 'bold'),
'quoted.escaped': ('magenta', 'default', 'bold'),
'quoted.deref': ('yellow', 'default', 'bold'),
'quoted.end': ('cyan', 'default', 'bold'),
# match regex
'match.start': ('cyan', 'default', 'bold'),
'match.end': ('cyan', 'default', 'bold'),
'match.null': ('cyan', 'default', 'bold'),
# replace regex
'replace.start': ('cyan', 'default', 'bold'),
'replace.middle0': ('cyan', 'default', 'bold'),
'replace.end': ('cyan', 'default', 'bold'),
'replace.null': ('cyan', 'default', 'bold'),
'replace.escaped': ('magenta', 'default', 'bold'),
'replace.deref': ('yellow', 'default', 'bold'),
'replace.length': ('yellow', 'default', 'bold'),
'replace.scalar': ('yellow', 'default', 'bold'),
'replace.perl_hash': ('yellow', 'default', 'bold'),
'replace.cast': ('yellow', 'default', 'bold'),
# translate regex
'translate.start': ('magenta', 'default', 'bold'),
'translate.middle0': ('magenta', 'default', 'bold'),
'translate.end': ('magenta', 'default', 'bold'),
'translate.null': ('magenta', 'default', 'bold'),
}
config = {
'perl.lib': 'lib',
}
actions = [PerlSetLib, PerlCheckSyntax, PerlHashCleanup,
PerlViewModulePerldoc, PerlViewWordPerldoc, PerlWrapParagraph,
PerlInitFunctions, PerlGotoFunction, PerlWhichFunction,
PerlListFunctions]
completers = {
'perlfunction': PerlFunctionCompleter(),
}
def __init__(self, w):
mode.Fundamental.__init__(self, w)
self.add_bindings('perl-set-lib', ('C-c l',))
self.add_bindings('perl-check-syntax', ('C-c s',))
self.add_bindings('perl-hash-cleanup', ('C-c h',))
self.add_bindings('perl-view-module-perldoc', ('C-c v',))
self.add_bindings('perl-view-word-perldoc', ('C-c p',))
self.add_bindings('perl-wrap-paragraph', ('M-q',))
self.add_bindings('perl-init-functions', ('C-c M-g',))
self.add_bindings('perl-goto-function', ('C-c M-g',))
self.add_bindings('perl-which-function', ('C-c w',))
self.add_bindings('perl-list-functions', ('C-c W',))
self.add_bindings('close-paren', (')'))
self.add_bindings('close-bracket', (']'))
self.add_bindings('close-brace', ('}'))
self.functions = None
def build_function_map(self):
self.functions = {}
self.funclines = []
highlights = self.window.get_highlighter()
curr, stack = None, []
for group in highlights.tokens:
for t in group:
if not curr and t.name == 'sub':
curr = t.string
stack = []
self.functions[curr] = t.y
elif t.name == 'delimiter':
if t.string == '{':
stack.append(None)
elif t.string == '}':
stack.pop()
if not stack:
curr = None
self.funclines.append(curr)
def get_functions(self):
if self.functions is None:
self.build_function_map()
return self.functions
def get_function_names(self):
functions = self.get_functions()
pairs = [[functions[key], key] for key in functions]
pairs.sort()
names = [x[1] for x in pairs]
return names
install = Perl.install