perl grammar in mode_perl

--HG--
branch : pmacs2
This commit is contained in:
moculus 2007-06-18 20:27:18 +00:00
parent fcbdb853f2
commit 8be4678d2e
1 changed files with 99 additions and 1 deletions

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@ -1,6 +1,104 @@
import re, sets, string, sys import re, sets, string, sys
import color, commands, default, lex2, lex2_perl, method, mode2, regex, tab_perl import color, commands, default, lex2, method, mode2, regex, tab_perl
from point2 import Point from point2 import Point
from lex2 import Grammar, ConstantRule, PatternRule, ContextPatternRule, RegionRule, DualRegionRule
class PodGrammar(Grammar):
rules = [
PatternRule(name=r'entry', pattern=r'(?<=^=head[1-4]) +.*$'),
PatternRule(name=r'entry', pattern=r'(?<=^=over) +.*$'),
PatternRule(name=r'entry', pattern=r'(?<=^=item) +.*$'),
PatternRule(name=r'entry', pattern=r'(?:(?<=^=begin)|(?<=^=end)) +.*$'),
PatternRule(name=r'entry', pattern=r'(?<=^=encoding) +.*$'),
]
class StringGrammar(Grammar):
rules = [
PatternRule(name=r'escaped', pattern=r'\\.'),
PatternRule(name=r'deref', pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?:->{\$?(?:[a-zA-Z_][a-zA-Z_0-9]*|'(?:\\.|[^'\\])*'|\"(\\.|[^\\\"])*\")}|->\[\$?[0-9a-zA-Z_]+\])+"),
PatternRule(name=r'length', pattern=r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
ContextPatternRule(name=r'scalar', pattern=r"\$[^A-Za-z0-9 %(delim)s](?![A-Za-z0-9_])", fallback=r"\$[^A-Za-z0-9 ](?![A-Za-z0-9_])"),
PatternRule(name=r'scalar', pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'cast', pattern=r"[\$\@\%\&]{.*?}"),
PatternRule(name=r'array', pattern=r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'hash', pattern=r"%\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
],
g = Grammar()
pg = PodGrammar()
sg = StringGrammar()
class PerlGrammar(Grammar):
rules = [
RegionRule(name=r'heredoc1', start=r"<<(?P<heredoc>[a-zA-Z0-9_]+) *;", grammar=sg, end=r'^%(heredoc)s$'),
RegionRule(name=r'heredoc1', start=r'<< *"(?P<heredoc>[a-zA-Z0-9_]+)" *;', grammar=sg, end=r'^%(heredoc)s$'),
RegionRule(name=r'heredoc2', start=r"<< *'(?P<heredoc>[a-zA-Z0-9_]+)' *;", grammar=g, end=r'^%(heredoc)s$'),
RegionRule(name=r'eval_heredoc', start=r"<< *`(?P<heredoc>[a-zA-Z0-9_]+)` *;", grammar=sg, end=r'^%(heredoc)s$'),
RegionRule(name=r'endblock', start=r"^__END__|__DATA__ *$", grammar=g, end=r''),
RegionRule(name=r'pod', start=r'^=[a-zA-Z0-9_]+', grammar=pg, end=r'^=cut'),
PatternRule(name=r'comment', pattern=r'#.*$'),
RegionRule(name=r'string1', start=r'"', grammar=sg, end=r'"'),
RegionRule(name=r'string2', start=r"'", grammar=g, end=r"'"),
RegionRule(name=r'evalstring', start=r"`", grammar=sg, end=r"`"),
PatternRule(name=r'number', pattern=r'0?\.[0-9]+|[0-9]+(?:\.[0-9]+)?'),
PatternRule(name=r'keyword', pattern=r"(?<!->)(?:STDIN|STDERR|STDOUT|and|cmp|continue|do|else|elsif|eq|eval|foreach|for|if|last|my|next|ne|not|or|our|package|require|return|sub|undef|unless|until|use|while)(?![a-zA-Z0-9_])"),
PatternRule(name=r'hash_key', pattern=r'(?<={)[A-Za-z0-9_]+(?=})'),
PatternRule(name=r'hash_key', pattern=r'[A-Za-z0-9_]+(?= *=>)'),
PatternRule(name=r'length', pattern=r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'cast', pattern=r'[\$\@\%\^\&](?= *{)'),
PatternRule(name=r'scalar', pattern=r"\$[][><ab/'\"_@\?#\$!%^|&*()](?![A-Za-z0-9_])"),
PatternRule(name=r'array', pattern=r"@_"),
PatternRule(name=r'function', pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?=-> *\()"),
PatternRule(name=r'scalar', pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'array', pattern=r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'hash', pattern=r"%\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*"),
PatternRule(name=r'deref', pattern=r"[@%\$&\*](?={)"),
RegionRule(name=r'quoted', start=r'q[rqwx]? *\(', grammar=g, end=r'\)'),
RegionRule(name=r'quoted', start=r'q[rqwx]? *{', grammar=g, end=r'}'),
RegionRule(name=r'quoted', start=r'q[rqwx]? *<', grammar=g, end=r'>'),
RegionRule(name=r'quoted', start=r'q[rqwx]? *\[', grammar=g, end=r'\]'),
RegionRule(name=r'quoted', start=r'q[rqwx]? *(?P<delim>[^ #])', grammar=g, end=r'%(delim)s'),
RegionRule(name=r'quoted', start=r'q[rqwx]?#', grammar=g, end=r'#'),
# match regexes
RegionRule(name=r'match', start=r'(?:(?<==~)|(?<=!~)|(?<=\()|(?<=split)) *(?P<delim>/)', grammar=sg, end=r'/[a-z]*'),
RegionRule(name=r'match', start=r'm *(?P<delim>[^ #a-zA-Z0-9_])', grammar=sg, end=r'%(delim)s[a-z]*'),
RegionRule(name=r'match', start=r'm(?P<delim>#)', grammar=sg, end=r'#[a-z]*'),
# replace regexes
DualRegionRule(name=r'replace', start=r's *(?P<delim>[^ a-zA-Z0-9_])', grammar1=sg, middle=r'%(delim)s', grammar2=sg, end=r'%(delim)s[a-z]*'),
DualRegionRule(name=r'replace', start=r's(?P<delim>#)', grammar1=sg, middle=r'#', grammar2=sg, end=r'#[a-z]*'),
# translate operator
DualRegionRule(name=r'translate', start=r'(?:y|tr) *(?P<delim>[^ a-zA-Z0-9_])', grammar1=g, middle=r'%(delim)s', grammar2=g, end=r'%(delim)s[a-z]*'),
DualRegionRule(name=r'translate', start=r'(?:y|tr)#', grammar1=g, middle=r'#', grammar2=g, end=r'#[a-z]*'),
# some more basic stuff
PatternRule(name=r'package', pattern=r"(?<=package )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(name=r'sub', pattern=r"(?<=sub )[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(name=r'use', pattern=r"(?<=use )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(name=r'label', pattern=r'[a-zA-Z_][a-zA-Z0-9_]*:(?!:)'),
PatternRule(name=r'method', pattern=r"(?<=->)[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(name=r'function', pattern=r"&\$*(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*"),
PatternRule(name=r'function', pattern=r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*(?= *\()"),
PatternRule(name=r'builtin', pattern=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_])"),
PatternRule(name=r'class', pattern=r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*(?=->)"),
# nested regions
RegionRule(name=r'paren', start=r'\(', grammar=None, end=r'\)'),
RegionRule(name=r'brace', start=r'{', grammar=None, end=r'}'),
RegionRule(name=r'bracket', start=r'\[', grammar=None, end=r'\]'),
# some basic stuff
#PatternRule(name=r'delimiter', pattern=r",|;|->|=>|=|\?|(?<!:):(?!=:)"),
#PatternRule(name=r'delimiter', pattern=r",|;|->|=>|=|\?|\(|\)|{|}|\[|\](?<!:):(?!=:)"),
PatternRule(name=r'delimiter', pattern=r"[=\?(){}\[\]]|->|=>|(?<!:):(?!=:)"),
PatternRule(name=r'operator', pattern=r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
PatternRule(name=r'operator', pattern=r"\+|<=>|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|=~|!~|!=|%|!|\."),
PatternRule(name=r'bareword', pattern=r'(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*'),
]
class Perl(mode2.Fundamental): class Perl(mode2.Fundamental):
def __init__(self, w): def __init__(self, w):