70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule
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# this is a comment
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class StringGrammar1(Grammar):
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rules = [
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PatternRule(r'data', r"[^\\']+"),
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PatternRule(r'escaped', r'\\.'),
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]
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class StringGrammar2(Grammar):
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rules = [
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PatternRule(r'data', r'[^\\"]+'),
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PatternRule(r'escaped', r'\\.'),
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]
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tbbid = r'[A-Z]{2}\d{3}-\d{3}-\d{3}'
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class BDSGrammar(Grammar):
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rules = [
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PatternRule('eol', r'\n'),
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PatternRule('spaces', r' +'),
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PatternRule('comment', r'#.*$'),
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PatternRule('delimiter', r'(?:\|\||&&|[!<>=:\{\}\(\)\[\]])'),
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PatternRule('bds.section', r'section(?= *\()'),
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PatternRule('bds.component', tbbid + r"(?= *\()"),
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PatternRule('bds.attr_name', r"[a-z_]+(?==)"),
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RegionRule('bds.attr_value', r"(?<=)'", StringGrammar1, r"'"),
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RegionRule('bds.attr_value', r'(?<=)"', StringGrammar2, r'"'),
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PatternRule('bds.num', r"-?(?:[0-9][0-9\.]*[0-9]|[0-9])"),
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PatternRule('bds.alias', r"[a-z0-9]+(?=:" + tbbid + ")"),
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PatternRule('bds.id', tbbid),
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PatternRule('bds.func', r"[a-zA-Z0-9_]+(?= *\()"),
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RegionRule('bds.string', r"'", StringGrammar1, r"'"),
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RegionRule('bds.string', r'"', StringGrammar2, r'"'),
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PatternRule('bds.bareword', r'[a-zA-Z0-9_]+'),
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]
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class BDS(Fundamental):
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name = 'bds'
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extensions = ['.bds']
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grammar = BDSGrammar
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colors = {
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'bds.section': ('blue', 'default', 'bold'),
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'bds.component': ('magenta', 'default', 'bold'),
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'bds.attr_name': ('blue', 'default', 'bold'),
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'bds.attr_value.start': ('green', 'default', 'bold'),
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'bds.attr_value.data': ('green', 'default', 'bold'),
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'bds.attr_value.null': ('green', 'default', 'bold'),
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'bds.attr_value.end': ('green', 'default', 'bold'),
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'bds.num': ('red', 'default', 'bold'),
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'bds.alias': ('magenta', 'default', 'bold'),
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'bds.id': ('yellow', 'default', 'bold'),
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'bds.func': ('cyan', 'default', 'bold'),
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'bds.op': ('magenta', 'default', 'bold'),
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'bds.string.start': ('red', 'default', 'bold'),
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'bds.string.null': ('red', 'default', 'bold'),
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'bds.string.end': ('red', 'default', 'bold'),
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}
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opentokens = ('delimiter',)
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter',)
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closetags = {')': '(', ']': '[', '}': '{'}
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_bindings = {
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'close-paren': (')'),
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'close-bracket': (']'),
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'close-brace': ('}'),
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}
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install = BDS.install
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