80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
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from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule
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class TalGrammar(Grammar):
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rules = [
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PatternRule('spaces', '[ \t]+'),
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RegionRule('comment', r'\(', Grammar, '\)'),
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PatternRule('delimiter', r'[\[\]{}]'),
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PatternRule('tal.inst', r'(BRK|LIT|INC|POP|DUP|NIP|SWP|OVR|ROT|EQU|NEQ|GTH|LTH|JMP|JCN|JSR|STH|LDZ|STZ|LDR|STR|LDA|STA|DEI|DEO|ADD|SUB|MUL|DIV|AND|ORA|EOR|SFT)2?k?r?'), # instructions
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PatternRule('tal.defmacro', r'%[^ ]+'), # macro-define
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PatternRule('tal.pad', r'\|[^ ]+'), # pad (absolute)
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PatternRule('tal.pad', r'\$[^ ]+'), # pad (relative)
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PatternRule('tal.deflabel', r'@[^ ]+'), # label-define
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PatternRule('tal.defsublabel', r'&[^ ]+'), # sublabel-define
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PatternRule('tal.spacer', r'/[^ ]+'), # sublabel-spacer
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PatternRule('tal.hex', r'#[0-9a-fA-F]+'), # literal hex
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PatternRule('tal.addr', r'\.[^/ ]+'), # little addr (zero page)
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PatternRule('tal.addr', r',[^/ ]+'), # little addr (relative)
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PatternRule('tal.addr', r';[^/ ]+'), # little addr (absolute)
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PatternRule('tal.addr', r':[^/ ]+'), # raw addr
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PatternRule('tal.addr', r'\'[^/ ]+'), # raw char
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PatternRule('tal.addr', r'\"[^/ ]+'), # raw word
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PatternRule('tal.word', r'[^ ]+'),
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PatternRule('eol', '\n'),
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]
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# white is for delimiters, operators, numbers
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default = ('default', 'default')
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# magenta is for keywords/builtins
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lo_magenta = ('magenta202', 'default')
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hi_magenta = ('magenta414', 'default')
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# red is for comments
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lo_red = ('red300', 'default')
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hi_red = ('red511', 'default')
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# orange is for macro definitions, headers and constants
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hi_orange = ('yellow531', 'default')
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lo_orange = ('yellow520', 'default')
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# yellow is for parts of macros
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hi_yellow = ('yellow551', 'default')
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lo_yellow = ('yellow330', 'default')
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# green is for strings and characters
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lo_green = ('green030', 'default')
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hi_green = ('green050', 'default')
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# cyan is for types
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lo_cyan = ('cyan033', 'default')
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hi_cyan = ('cyan155', 'default')
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# blue is definitions, functions and some macros
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lo_blue = ('blue113', 'default')
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hi_blue = ('blue225', 'default')
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class Tal(Fundamental):
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name = 'tal'
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extensions = ['.tal']
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grammar = TalGrammar
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colors = {
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'tal.addr': hi_cyan,
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'tal.defmacro': hi_blue,
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'tal.addr': hi_yellow,
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'tal.inst': hi_magenta,
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'tal.deflabel': hi_blue,
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'tal.defsublabel': hi_cyan,
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'tal.hex': hi_green,
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'tal.pad': hi_orange,
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'tal.spacer': hi_orange,
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}
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_bindings = {
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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}
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install = Tal.install
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