83 lines
3.3 KiB
Python
83 lines
3.3 KiB
Python
import commands
|
|
import color, mode, tab
|
|
from lex import Grammar, PatternRule, RegionRule
|
|
from mode.python import StringGrammar2
|
|
from tab import StackTabber2
|
|
|
|
class RegexGrammar(Grammar):
|
|
rules = [
|
|
PatternRule(r'escaped', r'\\.'),
|
|
PatternRule(r'data', r'[^\\/]+'),
|
|
]
|
|
|
|
class AwkGrammar(Grammar):
|
|
rules = [
|
|
PatternRule(r'comment', r'#.*\n$'),
|
|
PatternRule(r'spaces', r' +'),
|
|
RegionRule(r'awk_regex', r'/(?! )', RegexGrammar, r'/'),
|
|
PatternRule(r'awk_global', r'(?:TEXTDOMAIN|SUBSEP|RLENGTH|RSTART|RT|RS|PROCINFO|ORS|OFS|OFMT|NR|NF|LINT|IGNORECASE|FS|FNR|FILENAME|FIELDWIDTHS|ERRNO|ENVIRON|CONVFMT|BINMODE|ARGV|ARGIND|ARGC)(?![a-zA-Z0-9_])'),
|
|
PatternRule(r'delimiter', r'(?:[\{\}()\[\]?:;,]|=(?!=)|\+=|-=|\*=|/=|\%=|\^=)'),
|
|
PatternRule(r'keyword', r'(?:BEGIN|END|if|else|while|do|for|break|continue|delete|exit)(?![a-zA-Z0-9_])'),
|
|
PatternRule(r'builtin', r'(?:close|getline|nextfile|next|printf|print|system|fflush|atan2|cos|exp|int|log|rand|sin|sqrt|srand|asorti|asort|gensub|gsub|index|length|match|split|sprintf|strtonum|substr|sub|tolower|toupper|mktime|strftime|systime|and|compl|lshift|or|xor|rshift|bindtextdomain|dcgettext|dcngettext|function|extension)(?![a-zA-Z0-9_])'),
|
|
|
|
PatternRule(r'awk_field', r'\$\d*'),
|
|
|
|
PatternRule(r'number', r'-?0x[0-9A-Fa-f]+'),
|
|
PatternRule(r'number', r'-?0[0-7]*'),
|
|
PatternRule(r'number', r'-?[0-9]+\.?[0-9]*'),
|
|
PatternRule(r'number', r'-?\.[0-9]+'),
|
|
|
|
PatternRule(r'unop', r'!(?![=~])|--|\+\+'),
|
|
PatternRule(r'binop', r'(?:&&|\|\||<=|>=|!=|!~|==|\^|%|[-~/+*<>])'),
|
|
RegionRule(r'string', r'"', StringGrammar2, r'"'),
|
|
PatternRule(r'awk_function', r'[a-zA-Z_][a-zA-Z0-9_]*(?=\()'),
|
|
PatternRule(r'awk_identifier', r'[a-zA-Z_][a-zA-Z0-9_]*'),
|
|
|
|
PatternRule(r'continuation', r'\\\n$'),
|
|
PatternRule(r'eol', r'\n'),
|
|
]
|
|
|
|
class AwkTabber(StackTabber2):
|
|
open_tokens = {'delimiter': {'{': '}', '(': ')', '[': ']'}}
|
|
close_tokens = {'delimiter': {'}': '{', ')': '(', ']': '['}}
|
|
control_tokens = {
|
|
'keyword': {'if': 1, 'else': 1, 'while': 1, 'do': 1, 'for': 1},
|
|
}
|
|
end_at_eof = True
|
|
end_at_tokens = {}
|
|
def _is_base(self, y):
|
|
if y == 0:
|
|
return True
|
|
t = self._get_tokens(y)[0]
|
|
if t.fqname() == 'awk_regex.start':
|
|
return True
|
|
elif t.name in ('awk_field', 'awk_global'):
|
|
return True
|
|
elif t.name == 'keyword' and t.string in ('BEGIN', 'END'):
|
|
return True
|
|
else:
|
|
return False
|
|
def _is_indent(self, t):
|
|
return t.name == 'spaces'
|
|
def _is_ignored(self, t):
|
|
return t.name in ('spaces', 'eol', 'comment')
|
|
|
|
|
|
class Awk(mode.Fundamental):
|
|
tabbercls = AwkTabber
|
|
modename = 'awk'
|
|
extensions = ['.awk']
|
|
grammar = AwkGrammar
|
|
colors = {
|
|
'awk_global': ('yellow', 'default', 'bold'),
|
|
'awk_function': ('magenta', 'default', 'bold'),
|
|
'awk_field': ('yellow', 'default', 'bold'),
|
|
'awk_identifier': ('yellow', 'default', 'bold'),
|
|
'awk_regex.start': ('cyan', 'default', 'bold'),
|
|
'awk_regex.null': ('cyan', 'default', 'bold'),
|
|
'awk_regex.data': ('cyan', 'default', 'bold'),
|
|
'awk_regex.end': ('cyan', 'default', 'bold'),
|
|
}
|
|
|
|
install = Awk.install
|