72 lines
2.4 KiB
Lua
72 lines
2.4 KiB
Lua
-- mod-version:2
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-- Anthony Axenov (c) 2022, The MIT License
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-- https://github.com/anthonyaxenov/lite-xl-env-syntax
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local syntax = require "core.syntax"
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local key_pattern = '[a-zA-Z_]+[a-zA-Z0-9_]*'
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local unicode_sequence = "'?\\u%x%x%x%x'?"
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local escaped_literals = "\\[nrtfb\\\"']"
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local null_pattern = '%s*[Nn][Uu][Ll][Ll]%s*'
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local true_pattern = '%s*[Tt][Rr][Uu][Ee]%s*'
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local false_pattern = '%s*[Ff][Aa][Ll][Ss][Ee]%s*'
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local synt_key = {
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symbols = {},
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patterns = {
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{ type = "keyword2", pattern = key_pattern },
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},
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}
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local synt_dqs = {
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symbols = {},
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patterns = {
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{ pattern = { "%${", "}" }, type = "keyword", syntax = synt_key },
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{ pattern = "0[bB][%d]+", type = "number" },
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{ pattern = "0[xX][%da-fA-F]+", type = "number" },
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{ pattern = "[-+]?%.?%d+", type = "number" },
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{ pattern = escaped_literals, type = "literal" }, -- escaped chars
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{ pattern = unicode_sequence, type = "literal" }, -- unicode sequence
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{ pattern = '[%w%p%s]', type = "string" },
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},
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}
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syntax.add {
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name = "language_env",
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files = { "%.env$" },
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comment = '#',
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symbols = {},
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patterns = {
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{ pattern = "#.*$", type = "comment" },
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{ pattern = "export", type = "function" },
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{ pattern = null_pattern, type = "literal" },
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{ pattern = true_pattern, type = "literal" },
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{ pattern = false_pattern, type = "literal" },
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{ pattern = escaped_literals, type = "literal" },
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{ pattern = unicode_sequence, type = "literal" },
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-- interpolation
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{ pattern = { "%${", "}" }, type = "keyword", syntax = synt_key },
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-- numbers
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{ pattern = "0[bB][%d]+", type = "number" },
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{ pattern = "0[xX][%da-fA-F]+", type = "number" },
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{ pattern = "[-+]?%.?%d+", type = "number" },
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-- keys
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{ pattern = '[\'"].*[\'"]%s*=.*', type = "normal" },
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-- {
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-- pattern = '[\'"]?'..escaped_literals..'[\'"]?%s*=.*',
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-- type = "normal"
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-- },
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-- {
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-- pattern = '[\'"]?'..null_pattern..'[\'"]?%s*=.*',
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-- type = "normal"
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-- },
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{ pattern = key_pattern..'%s*()=%s*', type = { "keyword2", "operator" }},
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-- quoted strings
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{ pattern = {'"', '"', '\\'}, type = "string", syntax = synt_dqs},
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{ pattern = {"'", "'", '\\'}, type = "string" },
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{ pattern = {'"""', '"""', '\\'}, type = "string" },
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{ pattern = {"'''", "'''", '\\'}, type = "string" },
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},
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}
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