diff options
| -rw-r--r-- | lua/lexers/julia.lua | 147 | ||||
| -rw-r--r-- | lua/plugins/filetype.lua | 3 |
2 files changed, 150 insertions, 0 deletions
diff --git a/lua/lexers/julia.lua b/lua/lexers/julia.lua new file mode 100644 index 0000000..d1aebc6 --- /dev/null +++ b/lua/lexers/julia.lua @@ -0,0 +1,147 @@ +-- Julia lexer. + +local l = require('lexer') +local token, word_match = l.token, l.word_match +local B, P, R, S = lpeg.B, lpeg.P, lpeg.R, lpeg.S + +local M = {_NAME = 'julia'} + +-- Whitespace. +local ws = token(l.WHITESPACE, l.space^1) + + +-- Identifier +local id = l.word * P('!')^0 +local identifier = token(l.IDENTIFIER, id) + + +-- Operator +local operator = token(l.OPERATOR, S('+-*/÷<>=!≠≈≤≥%^&|⊻~\\\':?.√')) + + +-- Comment +local line_comment = '#' * l.nonnewline^0 +local block_comment = '#=' * (l.any - '=#')^0 * P('=#')^-1 +local comment = token(l.COMMENT, block_comment + line_comment) + + +-- Constant +local const_bool = word_match{'true', 'false'} +local const_numerical = (P('Inf') + P('NaN')) * (P('16') + P('32') + P('64'))^-1 * #(-l.alnum) +local const_special = word_match{'nothing', 'undef', 'missing'} +local const_env = word_match{'ARGS', 'ENV', 'ENDIAN_BOM', 'LOAD_PATH', 'VERSION', 'PROGRAM_FILE', 'DEPOT_PATH'} +local const_io = word_match{'stdout', 'stdin', 'stderr', 'devnull'} +local constant = token(l.CONSTANT, const_bool + const_numerical + const_special + const_env + const_io) + + +-- Number +local decimal = l.digit^1 * ('_' * l.digit^1)^0 +local hex_digits = l.xdigit^1 * ('_' * l.xdigit^1)^0 +local hexadecimal = '0x' * hex_digits +local binary = '0b' * S('01')^1 * ('_' * S('01')^1)^0 +local integer = binary + hexadecimal + decimal + +local float_dec_coeff = decimal^0 * '.' * decimal + decimal * '.' * decimal^0 +local float_dec_expon = S('eEf') * S('+-')^-1 * l.digit^1 +local float_dec = float_dec_coeff * float_dec_expon^-1 + decimal * float_dec_expon + +local float_hex_coeff = '0x' * (hex_digits^0 * '.' * hex_digits + hex_digits * '.' * hex_digits^0) +local float_hex_expon = 'p' * S('+-')^-1 * l.digit^1 +local float_hex = float_hex_coeff * float_hex_expon^-1 + hexadecimal * float_hex_expon + +local float = float_dec + float_hex + +local imaginary = (float_dec + decimal) * 'im' + +local number = token(l.NUMBER, S('+-')^-1 * (imaginary + float + integer) * #(-l.alpha)) + + +-- Character & String +local c_esc = '\\' * S('\\"\'nrbtfav') +local unicode = '\\' * S('uU') * l.xdigit^1 +local char = "'" * (l.alnum + c_esc + unicode) * "'" +local character = token('character', char) + +local doc_str = l.delimited_range('"""') +local str = l.delimited_range('"') +local string = token(l.STRING, doc_str + str) + + +-- Keyword +local keyword_single = word_match{ + 'baremodule', 'begin', 'break', 'catch', 'const', 'continue', + 'do', 'else', 'elseif', 'end', 'export', 'finally', 'for', + 'function', 'global', 'if', 'in', 'isa', 'import', 'let', 'local', + 'macro', 'module', 'quote', 'return', 'struct', 'try', 'using', + 'where', 'while' +} +local keyword_mult = P('abstract type') + P('mutable struct') + P('primitive type') +local keyword = token(l.KEYWORD, keyword_single + keyword_mult) + + +-- Function +local func = token(l.FUNCTION, id * #(P('.')^-1 * #P('('))) + + +-- Macro +local macro = token('macro', '@' * (id + '.')) + + +-- Type +local type_annotated = (B('::') + B(':: ')) * id +local type_para = id * #P('{') +local type_subtyping = id * #(l.space^0 * P('<:')) + (B('<:') + B('<: ')) * id +local type_struct = B('struct ') * id +local type_builtin_numerical = ( + (P('Abstract') + P('Big')) * P('Float') + + P('Float') * (P('16') + P('32') + P('64')) + + P('U')^-1 * P('Int') * (P('8') + P('16') + P('32') + P('64') + P('128'))^-1 + + P('Abstract')^-1 * P('Irrational') + ) * #(-l.alnum) + + word_match{'Number', 'Complex', 'Real', 'Integer', 'Bool', 'Signed', 'Unsigned', 'Rational'} +local type_builtin_range = ( + (P('Lin') + P('Ordinal') + (P('Abstract')^-1 * P('Unit')^-1)) * P('Range') + + P('StepRange') * P('Len')^-1 - P('Range') + ) * #(-l.alnum) +local type_builtin_array = ( + (P('Abstract') + P('Bit') + P('Dense') + P('PermutedDims') + P('Sub'))^-1 * + (P('Array') + P('Vector') + P('Matrix') + P('VecOrMat')) + + (P('Abstract') + P('Sym') + (P('Unit')^-1 * (P('Lower') + P('Upper'))))^-1 * P('Triangular') + ) * #(-l.alnum) + + word_match{ + 'Adjoint', 'Bidiagonal', 'Diagonal', 'Hermitian', 'LQPackedQ', + 'Symmetric', 'Transpose', 'UpperHessenberg' + } +local type = token(l.TYPE, + type_para + type_annotated + type_subtyping + type_struct + type_builtin_numerical + type_builtin_range + + type_builtin_array + ) + + +-- Symbol +local symbol = token('symbol', -B(P(':') + P('<')) * P(':') * id) + + +M._rules = { + {'whitespace', ws}, + {'comment', comment}, + {'string', string}, + {'character', character}, + {'keyword', keyword}, + {'constant', constant}, + {'type', type}, + {'symbol', symbol}, + {'macro', macro}, + {'function', func}, + {'identifier', identifier}, + {'operator', operator}, + {'number', number}, +} + +M._tokenstyles = { + character = l.STYLE_CONSTANT, + symbol = l.STYLE_CONSTANT, + macro = l.STYLE_PREPROCESSOR, +} + +return M diff --git a/lua/plugins/filetype.lua b/lua/plugins/filetype.lua index c216a01..3d3f003 100644 --- a/lua/plugins/filetype.lua +++ b/lua/plugins/filetype.lua @@ -213,6 +213,9 @@ vis.ftdetect.filetypes = { jsp = { ext = { "%.jsp$" }, }, + julia = { + ext = { "%.jl$" }, + }, latex = { ext = { "%.bbl$", "%.cls$", "%.dtx$", "%.ins$", "%.ltx$", "%.tex$", "%.sty$" }, mime = { "text/x-tex" }, |