diff options
Diffstat (limited to 'lua/lexers')
| -rw-r--r-- | lua/lexers/forth.lua | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/lua/lexers/forth.lua b/lua/lexers/forth.lua index 9471740..17d67b5 100644 --- a/lua/lexers/forth.lua +++ b/lua/lexers/forth.lua @@ -12,42 +12,56 @@ local ws = token(l.WHITESPACE, l.space^1) -- Comments. local line_comment = S('|\\') * l.nonnewline^0 -local block_comment = '(*' * (l.any - '*)')^0 * P('*)')^-1 +local block_comment = '(' * (l.any - ')')^0 * P(')')^-1 local comment = token(l.COMMENT, line_comment + block_comment) -- Strings. +local c_str = 'c' * l.delimited_range('"', true, true) local s_str = 's' * l.delimited_range('"', true, true) +local s_bs_str = 's\\' * l.delimited_range('"', true, false) local dot_str = '.' * l.delimited_range('"', true, true) -local f_str = 'f' * l.delimited_range('"', true, true) -local dq_str = l.delimited_range('"', true, true) -local string = token(l.STRING, s_str + dot_str + f_str + dq_str) +local dot_paren_str = '.' * l.delimited_range('()', true, true, false) +local abort_str = 'abort' * l.delimited_range('"', true, true) +local string = token( + l.STRING, + c_str + s_str + s_bs_str + dot_str + dot_paren_str + abort_str +) -- Numbers. local number = token(l.NUMBER, P('-')^-1 * l.digit^1 * (S('./') * l.digit^1)^-1) -- Keywords. local keyword = token(l.KEYWORD, word_match({ - 'swap', 'drop', 'dup', 'nip', 'over', 'rot', '-rot', '2dup', '2drop', '2over', - '2swap', '>r', 'r>', - 'and', 'or', 'xor', '>>', '<<', 'not', 'negate', 'mod', '/mod', '1+', '1-', - 'base', 'hex', 'decimal', 'binary', 'octal', - '@', '!', 'c@', 'c!', '+!', 'cell+', 'cells', 'char+', 'chars', - 'create', 'does>', 'variable', 'variable,', 'literal', 'last', '1,', '2,', - '3,', ',', 'here', 'allot', 'parse', 'find', 'compile', - -- Operators. - 'if', '=if', '<if', '>if', '<>if', 'then', 'repeat', 'until', 'forth', 'macro' -}, '2><1-@!+3,=')) + '#>', '#s', '*/', '*/mod', '+loop', ',', '.', '.r', '/mod', '0<', '0<>', + '0>', '0=', '1+', '1-', '2!', '2*', '2/', '2>r', '2@', '2drop', '2dup', + '2over', '2r>', '2r@', '2swap', ':noname', '<#', '<>', '>body', '>in', + '>number', '>r', '?do','?dup', '@', 'abort', 'abs', 'accept', 'action-of', + 'again', 'align', 'aligned', 'allot', 'and', 'base', 'begin', 'bl', + 'buffer:', 'c!', 'c,', 'c@', 'case', 'cell+', 'cells', 'char', 'char+', + 'chars', 'compile,', 'constant', 'count', 'cr', 'create', 'decimal', 'defer', + 'defer!', 'defer@', 'depth', 'do', 'does>', 'drop', 'dup', 'else', 'emit', + 'endcase', 'endof', 'environment?', 'erase', 'evaluate', 'execute', 'exit', + 'false', 'fill', 'find', 'fm/mod', 'here', 'hex', 'hold', 'holds', 'i', 'if', + 'immediate', 'invert', 'is', 'j', 'key', 'leave', 'literal', 'loop', + 'lshift', 'm*', 'marker', 'max', 'min', 'mod', 'move', 'negate', 'nip', 'of', + 'or', 'over', 'pad', 'parse', 'parse-name', 'pick', 'postpone', 'quit', 'r>', + 'r@', 'recurse', 'refill', 'restore-input', 'roll', 'rot', 'rshift', 's>d', + 'save-input', 'sign', 'sm/rem', 'source', 'source-id', 'space', 'spaces', + 'state', 'swap', 'to', 'then', 'true', 'tuck', 'type', 'u.', 'u.r', 'u>', + 'u<', 'um*', 'um/mod', 'unloop', 'until', 'unused', 'value', 'variable', + 'while', 'within', 'word', 'xor', '[\']', '[char]', '[compile]' +}, '><-@!?+,=[].\'', true)) -- Identifiers. -local identifier = token(l.IDENTIFIER, (l.alnum + S('+-*=<>.?/\'%,_$'))^1) +local identifier = token(l.IDENTIFIER, (l.alnum + S('+-*=<>.?/\'%,_$#'))^1) -- Operators. -local operator = token(l.OPERATOR, S(':;<>+*-/()[]')) +local operator = token(l.OPERATOR, S(':;<>+*-/[]#')) M._rules = { {'whitespace', ws}, - {'keyword', keyword}, {'string', string}, + {'keyword', keyword}, {'identifier', identifier}, {'comment', comment}, {'number', number}, |