348 lines
11 KiB
Python
Executable File
348 lines
11 KiB
Python
Executable File
from lex2 import Grammar, ConstantRule, PatternRule, ContextPatternRule, RegionRule, DualRegionRule
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class PodGrammar(Grammar):
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rules = [
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PatternRule(
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name=r'entry',
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pattern=r'(?<=^=head[1-4]) +.*$',
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),
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PatternRule(
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name=r'entry',
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pattern=r'(?<=^=over) +.*$',
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),
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PatternRule(
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name=r'entry',
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pattern=r'(?<=^=item) +.*$',
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),
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PatternRule(
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name=r'entry',
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pattern=r'(?:(?<=^=begin)|(?<=^=end)) +.*$',
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),
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PatternRule(
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name=r'entry',
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pattern=r'(?<=^=encoding) +.*$',
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),
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]
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class StringGrammar(Grammar):
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rules = [
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PatternRule(
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name=r'escaped',
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pattern=r'\\.',
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),
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PatternRule(
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name=r'deref',
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pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?:->{\$?(?:[a-zA-Z_][a-zA-Z_0-9]*|'(?:\\.|[^'\\])*'|\"(\\.|[^\\\"])*\")}|->\[\$?[0-9a-zA-Z_]+\])+",
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),
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PatternRule(
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name=r'length',
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pattern=r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*",
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),
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ContextPatternRule(
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name=r'scalar',
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pattern=r"\$[^A-Za-z0-9 %(delim)s](?![A-Za-z0-9_])",
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fallback=r"\$[^A-Za-z0-9 ](?![A-Za-z0-9_])",
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),
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#PatternRule(
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# name=r'array',
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# pattern=r"@_",
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#),
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PatternRule(
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name=r'scalar',
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pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'cast',
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pattern=r"[\$\@\%\&]{.*?}",
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),
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PatternRule(
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name=r'array',
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pattern=r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'hash',
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pattern=r"%\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*",
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),
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]
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class PerlGrammar(Grammar):
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rules = [
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# heredocs
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RegionRule(
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name=r'heredoc1',
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start=r"<<(?P<heredoc>[a-zA-Z0-9_]+) *;",
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grammar=StringGrammar(),
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end=r'^%(heredoc)s$',
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),
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RegionRule(
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name=r'heredoc1',
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start=r"<< *\"(?P<heredoc>[a-zA-Z0-9_]+)\" *;",
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grammar=StringGrammar(),
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end=r'^%(heredoc)s$',
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),
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RegionRule(
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name=r'heredoc2',
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start=r"<< *'(?P<heredoc>[a-zA-Z0-9_]+)' *;",
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grammar=Grammar(),
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end=r'^%(heredoc)s$',
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),
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RegionRule(
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name=r'eval_heredoc',
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start=r"<< *`(?P<heredoc>[a-zA-Z0-9_]+)` *;",
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grammar=StringGrammar(),
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end=r'^%(heredoc)s$',
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),
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# end block
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RegionRule(
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name=r'endblock',
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start=r"^__END__|__DATA__ *$",
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grammar=Grammar(),
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end=r'',
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),
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RegionRule(
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name=r'pod',
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start=r'^=[a-zA-Z0-9_]+',
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grammar=PodGrammar(),
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end=r'^=cut',
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),
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PatternRule(
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name=r'comment',
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pattern=r'#.*$',
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),
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RegionRule(
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name=r'string1',
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start=r'"',
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grammar=StringGrammar(),
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end=r'"',
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),
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RegionRule(
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name=r'string2',
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start=r"'",
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grammar=Grammar(),
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end=r"'",
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),
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RegionRule(
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name=r'evalstring',
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start=r"`",
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grammar=StringGrammar(),
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end=r"`",
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),
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PatternRule(
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name=r'number',
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pattern=r'0?\.[0-9]+|[0-9]+(?:\.[0-9]+)?',
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),
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PatternRule(
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name=r'keyword',
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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_])",
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),
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PatternRule(
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name=r'hash_key',
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pattern=r'(?<={)[A-Za-z0-9_]+(?=})',
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),
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PatternRule(
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name=r'hash_key',
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pattern=r'[A-Za-z0-9_]+(?= *=>)',
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),
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PatternRule(
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name=r'length',
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pattern=r"\$#[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'scalar',
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pattern=r"\$[][><ab/'\"_@\?#\$!%^|&*()](?![A-Za-z0-9_])",
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),
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PatternRule(
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name=r'array',
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pattern=r"@_",
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),
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PatternRule(
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name=r'function',
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pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*(?=-> *\()",
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),
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PatternRule(
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name=r'scalar',
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pattern=r"\$\$*[A-Za-z0-9_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'array',
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pattern=r"@\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'hash',
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pattern=r"%\$*[A-Za-z_](?:[A-Za-z0-9_]|::)*",
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),
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PatternRule(
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name=r'deref',
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pattern=r"[@%\$&\*](?={)",
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]? *(?P<delim>[^ #])',
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grammar=Grammar(),
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end=r'%(delim)s',
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]?#',
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grammar=Grammar(),
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end=r'#',
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]? *\(',
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grammar=Grammar(),
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end=r'\)',
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]? *{',
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grammar=Grammar(),
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end=r'}',
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]? *<',
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grammar=Grammar(),
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end=r'>',
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),
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RegionRule(
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name=r'quoted',
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start=r'q[rqwx]? *\[',
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grammar=Grammar(),
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end=r'\]',
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),
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# match regexes
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RegionRule(
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name=r'match',
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start=r'(?:(?<==~)|(?<=!~)|(?<=\()|(?<=split)) *(?P<delim>/)',
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grammar=StringGrammar(),
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end=r'/[a-z]*',
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),
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RegionRule(
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name=r'match',
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start=r'm *(?P<delim>[^ #a-zA-Z0-9_])',
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grammar=StringGrammar(),
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end=r'%(delim)s[a-z]*',
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),
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RegionRule(
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name=r'match',
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start=r'm(?P<delim>#)',
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grammar=StringGrammar(),
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end=r'#[a-z]*',
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),
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# replace regexes
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DualRegionRule(
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name=r'replace',
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start=r's *(?P<delim>[^ a-zA-Z0-9_])',
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grammar1=StringGrammar(),
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middle=r'%(delim)s',
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grammar2=StringGrammar(),
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end=r'%(delim)s[a-z]*',
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),
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DualRegionRule(
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name=r'replace',
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start=r's(?P<delim>#)',
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grammar1=StringGrammar(),
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middle=r'#',
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grammar2=StringGrammar(),
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end=r'#[a-z]*',
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),
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# translate operator
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DualRegionRule(
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name=r'translate',
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start=r'(?:y|tr) *(?P<delim>[^ a-zA-Z0-9_])',
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grammar1=Grammar(),
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middle=r'%(delim)s',
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grammar2=Grammar(),
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end=r'%(delim)s[a-z]*',
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),
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DualRegionRule(
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name=r'translate',
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start=r'(?:y|tr)#',
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grammar1=Grammar(),
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middle=r'#',
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grammar2=Grammar(),
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end=r'#[a-z]*',
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),
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# some more basic stuff
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PatternRule(
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name=r'package',
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pattern=r"(?<=package )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*",
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),
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PatternRule(
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name=r'sub',
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pattern=r"(?<=sub )[a-zA-Z_][a-zA-Z_0-9]*",
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),
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PatternRule(
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name=r'use',
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pattern=r"(?<=use )(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*",
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),
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PatternRule(
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name=r'label',
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pattern=r'[a-zA-Z_][a-zA-Z0-9_]*:(?!:)',
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),
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PatternRule(
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name=r'method',
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pattern=r"(?<=->)[a-zA-Z_][a-zA-Z_0-9]*",
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),
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PatternRule(
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name=r'function',
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pattern=r"&\$*(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*",
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),
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PatternRule(
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name=r'function',
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pattern=r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*(?= *\()",
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),
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PatternRule(
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name=r'builtin',
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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_])",
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),
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PatternRule(
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name=r'class',
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pattern=r"(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*",
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),
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# # nested regions
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# RegionRule(
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# name=r'paren',
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# start=r'\(',
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# grammar=None,
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# end=r'\)',
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# ),
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# RegionRule(
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# name=r'brace',
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# start=r'{',
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# grammar=None,
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# end=r'}',
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# ),
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# RegionRule(
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# name=r'bracket',
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# start=r'\[',
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# grammar=None,
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# end=r'\]',
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# ),
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# some basic stuff
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PatternRule(
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name=r'delimiter',
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pattern=r",|;|->|=>|=|\?|(?<!:):(?!=:)",
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),
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PatternRule(
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name=r'operator',
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pattern=r"\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*=",
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),
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PatternRule(
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name=r'operator',
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pattern=r"\+|<=>|<>|<<|<=|<|-|>>|>=|>|\*\*|&|\*|\||/|\^|==|//|~|=~|!~|!=|%|!|\.",
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),
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PatternRule(
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name=r'bareword',
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pattern=r'(?:[a-zA-Z_][a-zA-Z_0-9]*::)*[a-zA-Z_][a-zA-Z_0-9]*',
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),
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]
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