forked from gitea/gitea
98 lines
4.2 KiB
Go
98 lines
4.2 KiB
Go
package n
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Nim lexer.
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var Nim = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Nim",
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Aliases: []string{"nim", "nimrod"},
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Filenames: []string{"*.nim", "*.nimrod"},
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MimeTypes: []string{"text/x-nim"},
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CaseInsensitive: true,
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},
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nimRules,
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))
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func nimRules() Rules {
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return Rules{
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"root": {
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{`#\[[\s\S]*?\]#`, CommentMultiline, nil},
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{`##.*$`, LiteralStringDoc, nil},
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{`#.*$`, Comment, nil},
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{`[*=><+\-/@$~&%!?|\\\[\]]`, Operator, nil},
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{"\\.\\.|\\.|,|\\[\\.|\\.\\]|\\{\\.|\\.\\}|\\(\\.|\\.\\)|\\{|\\}|\\(|\\)|:|\\^|`|;", Punctuation, nil},
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{`(?:[\w]+)"`, LiteralString, Push("rdqs")},
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{`"""`, LiteralString, Push("tdqs")},
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{`"`, LiteralString, Push("dqs")},
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{`'`, LiteralStringChar, Push("chars")},
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{`(a_?n_?d_?|o_?r_?|n_?o_?t_?|x_?o_?r_?|s_?h_?l_?|s_?h_?r_?|d_?i_?v_?|m_?o_?d_?|i_?n_?|n_?o_?t_?i_?n_?|i_?s_?|i_?s_?n_?o_?t_?)\b`, OperatorWord, nil},
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{`(p_?r_?o_?c_?\s)(?![(\[\]])`, Keyword, Push("funcname")},
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{`(a_?d_?d_?r_?|a_?n_?d_?|a_?s_?|a_?s_?m_?|a_?t_?o_?m_?i_?c_?|b_?i_?n_?d_?|b_?l_?o_?c_?k_?|b_?r_?e_?a_?k_?|c_?a_?s_?e_?|c_?a_?s_?t_?|c_?o_?n_?c_?e_?p_?t_?|c_?o_?n_?s_?t_?|c_?o_?n_?t_?i_?n_?u_?e_?|c_?o_?n_?v_?e_?r_?t_?e_?r_?|d_?e_?f_?e_?r_?|d_?i_?s_?c_?a_?r_?d_?|d_?i_?s_?t_?i_?n_?c_?t_?|d_?i_?v_?|d_?o_?|e_?l_?i_?f_?|e_?l_?s_?e_?|e_?n_?d_?|e_?n_?u_?m_?|e_?x_?c_?e_?p_?t_?|e_?x_?p_?o_?r_?t_?|f_?i_?n_?a_?l_?l_?y_?|f_?o_?r_?|f_?u_?n_?c_?|i_?f_?|i_?n_?|y_?i_?e_?l_?d_?|i_?n_?t_?e_?r_?f_?a_?c_?e_?|i_?s_?|i_?s_?n_?o_?t_?|i_?t_?e_?r_?a_?t_?o_?r_?|l_?e_?t_?|m_?a_?c_?r_?o_?|m_?e_?t_?h_?o_?d_?|m_?i_?x_?i_?n_?|m_?o_?d_?|n_?o_?t_?|n_?o_?t_?i_?n_?|o_?b_?j_?e_?c_?t_?|o_?f_?|o_?r_?|o_?u_?t_?|p_?r_?o_?c_?|p_?t_?r_?|r_?a_?i_?s_?e_?|r_?e_?f_?|r_?e_?t_?u_?r_?n_?|s_?h_?a_?r_?e_?d_?|s_?h_?l_?|s_?h_?r_?|s_?t_?a_?t_?i_?c_?|t_?e_?m_?p_?l_?a_?t_?e_?|t_?r_?y_?|t_?u_?p_?l_?e_?|t_?y_?p_?e_?|w_?h_?e_?n_?|w_?h_?i_?l_?e_?|w_?i_?t_?h_?|w_?i_?t_?h_?o_?u_?t_?|x_?o_?r_?)\b`, Keyword, nil},
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{`(f_?r_?o_?m_?|i_?m_?p_?o_?r_?t_?|i_?n_?c_?l_?u_?d_?e_?)\b`, KeywordNamespace, nil},
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{`(v_?a_?r)\b`, KeywordDeclaration, nil},
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{`(i_?n_?t_?|i_?n_?t_?8_?|i_?n_?t_?1_?6_?|i_?n_?t_?3_?2_?|i_?n_?t_?6_?4_?|f_?l_?o_?a_?t_?|f_?l_?o_?a_?t_?3_?2_?|f_?l_?o_?a_?t_?6_?4_?|b_?o_?o_?l_?|c_?h_?a_?r_?|r_?a_?n_?g_?e_?|a_?r_?r_?a_?y_?|s_?e_?q_?|s_?e_?t_?|s_?t_?r_?i_?n_?g_?)\b`, KeywordType, nil},
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{`(n_?i_?l_?|t_?r_?u_?e_?|f_?a_?l_?s_?e_?)\b`, KeywordPseudo, nil},
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{`\b_\b`, Name, nil}, // Standalone _ used as discardable variable identifier
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{`\b((?![_\d])\w)(((?!_)\w)|(_(?!_)\w))*`, Name, nil},
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{`[0-9][0-9_]*(?=([e.]|\'f(32|64)))`, LiteralNumberFloat, Push("float-suffix", "float-number")},
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{`0x[a-f0-9][a-f0-9_]*`, LiteralNumberHex, Push("int-suffix")},
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{`0b[01][01_]*`, LiteralNumberBin, Push("int-suffix")},
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{`0o[0-7][0-7_]*`, LiteralNumberOct, Push("int-suffix")},
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{`[0-9][0-9_]*`, LiteralNumberInteger, Push("int-suffix")},
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{`\s+`, Text, nil},
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{`.+$`, Error, nil},
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},
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"chars": {
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{`\\([\\abcefnrtvl"\']|x[a-f0-9]{2}|[0-9]{1,3})`, LiteralStringEscape, nil},
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{`'`, LiteralStringChar, Pop(1)},
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{`.`, LiteralStringChar, nil},
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},
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"strings": {
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{`(?<!\$)\$(\d+|#|\w+)+`, LiteralStringInterpol, nil},
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{`[^\\\'"$\n]+`, LiteralString, nil},
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{`[\'"\\]`, LiteralString, nil},
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{`\$`, LiteralString, nil},
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},
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"dqs": {
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{`\\([\\abcefnrtvl"\']|\n|x[a-f0-9]{2}|[0-9]{1,3})`, LiteralStringEscape, nil},
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{`"`, LiteralString, Pop(1)},
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Include("strings"),
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},
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"rdqs": {
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{`"(?!")`, LiteralString, Pop(1)},
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{`""`, LiteralStringEscape, nil},
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Include("strings"),
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},
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"tdqs": {
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{`"""(?!")`, LiteralString, Pop(1)},
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Include("strings"),
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Include("nl"),
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},
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"funcname": {
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{`((?![\d_])\w)(((?!_)\w)|(_(?!_)\w))*`, NameFunction, Pop(1)},
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{"`.+`", NameFunction, Pop(1)},
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},
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"nl": {
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{`\n`, LiteralString, nil},
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},
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"float-number": {
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{`\.(?!\.)[0-9_]*`, LiteralNumberFloat, nil},
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{`e[+-]?[0-9][0-9_]*`, LiteralNumberFloat, nil},
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Default(Pop(1)),
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},
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"float-suffix": {
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{`\'f(32|64)`, LiteralNumberFloat, nil},
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Default(Pop(1)),
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},
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"int-suffix": {
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{`\'i(32|64)`, LiteralNumberIntegerLong, nil},
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{`\'i(8|16)`, LiteralNumberInteger, nil},
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Default(Pop(1)),
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},
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}
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}
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