127 lines
4.7 KiB
Python
127 lines
4.7 KiB
Python
import commands
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import color, mode, tab
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from lex import Grammar, PatternRule, RegionRule
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from mode.python import StringGrammar2
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class RegexGrammar(Grammar):
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rules = [
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'data', r'[^\\/]+'),
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]
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class AwkGrammar(Grammar):
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rules = [
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PatternRule(r'comment', r'#.*\n$'),
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PatternRule(r'spaces', r' +'),
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RegionRule(r'awk_regex', r'/(?! )', RegexGrammar, r'/'),
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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_])'),
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PatternRule(r'delimiter', r'(?:[\{\}()\[\]?:;,]|=(?!=)|\+=|-=|\*=|/=|\%=|\^=)'),
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PatternRule(r'keyword', r'(?:if|else|while|do|for|break|continue|delete|exit)(?![a-zA-Z0-9_])'),
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PatternRule(r'builtin', r'(?:BEGIN|END|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_])'),
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PatternRule(r'awk_field', r'\$\d*'),
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PatternRule(r'number', r'-?0x[0-9A-Fa-f]+'),
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PatternRule(r'number', r'-?0[0-7]*'),
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PatternRule(r'number', r'-?[0-9]+\.?[0-9]*'),
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PatternRule(r'number', r'-?\.[0-9]+'),
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PatternRule(r'unop', r'!(?![=~])|--|\+\+'),
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PatternRule(r'binop', r'(?:&&|\|\||<=|>=|!=|!~|==|\^|%|[-~/+*<>])'),
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RegionRule(r'string', r'"', StringGrammar2, r'"'),
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PatternRule(r'awk_function', r'[a-zA-Z_][a-zA-Z0-9_]*(?=\()'),
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PatternRule(r'awk_identifier', r'[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule(r'continuation', r'\\\n$'),
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PatternRule(r'eol', r'\n'),
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]
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class AwkTabber(tab.StackTabber):
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def __init__(self, m):
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self.mode = m
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self.name = m.name()
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self.lines = {}
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self._reset()
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def region_added(self, p, newlines):
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self.lines = {}
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def region_removed(self, p1, p2):
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self.lines = {}
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def get_level(self, y):
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if y not in self.lines:
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self._calc_level(y)
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return self.lines.get(y)
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def _calc_level(self, y):
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target = y
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while not self.is_base(y) and y > 0:
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y -= 1
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self._reset()
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while y <= target:
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self._set_currlvl()
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self._handle_tokens(y)
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def _is_base(self, y):
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return False
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def _reset(self):
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self.stack = []
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self.curr = 0
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def _set_currlvl(self):
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if self.markers:
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self.curr = self.markers[-1].level
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else:
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self.curr = 0
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def _get_tokens(self, y):
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return self.mode.window.buffer.highlights[self.name].tokens[y]
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def _handle_tokens(self, y):
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tokens = self._get_tokens(y)
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for i in range(0, len(tokens)):
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token = tokens[i]
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if self._is_indent(token):
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pass
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elif self._is_ignored(token):
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pass
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elif self._is_close_token(token):
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self._handle_close_token(y, tokens, i, token)
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elif self._is_open_token(token):
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self._handle_open_token(y, tokens, i, token)
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else:
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self._handle_other_token(y, tokens, i, token)
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self.lines[y] = self.curr
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def _is_indent(self, token):
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return False
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def _is_ignored(self, token):
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return False
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def _is_close_token(self, token):
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return True
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def _close_match(self, opentoken, closetoken):
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return True
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def _handle_close_token(self, y, tokens, i, token):
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if not self.stack:
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raise Exception, "unmatched %r on line %d" % (token.string, y)
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token2 = self.stack.pop()
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if not self._close_match(token2, token):
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raise Exception, "mismatched %r on line %d (expected %r)" % \
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(token.string, y, token2.string)
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if False:
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self._set_currlvl()
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class Awk(mode.Fundamental):
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modename = 'awk'
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extensions = ['.awk']
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grammar = AwkGrammar
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colors = {
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'awk_global': ('yellow', 'default', 'bold'),
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'awk_function': ('magenta', 'default', 'bold'),
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'awk_field': ('yellow', 'default', 'bold'),
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'awk_identifier': ('yellow', 'default', 'bold'),
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'awk_regex.start': ('cyan', 'default', 'bold'),
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'awk_regex.null': ('cyan', 'default', 'bold'),
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'awk_regex.data': ('cyan', 'default', 'bold'),
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'awk_regex.end': ('cyan', 'default', 'bold'),
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}
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install = Awk.install
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