forked from alecthomas/chroma
/
nim.go
92 lines (90 loc) · 4.15 KB
/
nim.go
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package n
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Nim lexer.
var Nim = internal.Register(MustNewLexer(
&Config{
Name: "Nim",
Aliases: []string{"nim", "nimrod"},
Filenames: []string{"*.nim", "*.nimrod"},
MimeTypes: []string{"text/x-nim"},
CaseInsensitive: true,
},
Rules{
"root": {
{`##.*$`, LiteralStringDoc, nil},
{`#.*$`, Comment, nil},
{`[*=><+\-/@$~&%!?|\\\[\]]`, Operator, nil},
{"\\.\\.|\\.|,|\\[\\.|\\.\\]|\\{\\.|\\.\\}|\\(\\.|\\.\\)|\\{|\\}|\\(|\\)|:|\\^|`|;", Punctuation, nil},
{`(?:[\w]+)"`, LiteralString, Push("rdqs")},
{`"""`, LiteralString, Push("tdqs")},
{`"`, LiteralString, Push("dqs")},
{`'`, LiteralStringChar, Push("chars")},
{`(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},
{`(p_?r_?o_?c_?\s)(?![(\[\]])`, Keyword, Push("funcname")},
{`(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},
{`(f_?r_?o_?m_?|i_?m_?p_?o_?r_?t_?|i_?n_?c_?l_?u_?d_?e_?)\b`, KeywordNamespace, nil},
{`(v_?a_?r)\b`, KeywordDeclaration, nil},
{`(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},
{`(n_?i_?l_?|t_?r_?u_?e_?|f_?a_?l_?s_?e_?)\b`, KeywordPseudo, nil},
{`\b_\b`, Name, nil}, // Standalone _ used as discardable variable identifier
{`\b((?![_\d])\w)(((?!_)\w)|(_(?!_)\w))*`, Name, nil},
{`[0-9][0-9_]*(?=([e.]|\'f(32|64)))`, LiteralNumberFloat, Push("float-suffix", "float-number")},
{`0x[a-f0-9][a-f0-9_]*`, LiteralNumberHex, Push("int-suffix")},
{`0b[01][01_]*`, LiteralNumberBin, Push("int-suffix")},
{`0o[0-7][0-7_]*`, LiteralNumberOct, Push("int-suffix")},
{`[0-9][0-9_]*`, LiteralNumberInteger, Push("int-suffix")},
{`\s+`, Text, nil},
{`.+$`, Error, nil},
},
"chars": {
{`\\([\\abcefnrtvl"\']|x[a-f0-9]{2}|[0-9]{1,3})`, LiteralStringEscape, nil},
{`'`, LiteralStringChar, Pop(1)},
{`.`, LiteralStringChar, nil},
},
"strings": {
{`(?<!\$)\$(\d+|#|\w+)+`, LiteralStringInterpol, nil},
{`[^\\\'"$\n]+`, LiteralString, nil},
{`[\'"\\]`, LiteralString, nil},
{`\$`, LiteralString, nil},
},
"dqs": {
{`\\([\\abcefnrtvl"\']|\n|x[a-f0-9]{2}|[0-9]{1,3})`, LiteralStringEscape, nil},
{`"`, LiteralString, Pop(1)},
Include("strings"),
},
"rdqs": {
{`"(?!")`, LiteralString, Pop(1)},
{`""`, LiteralStringEscape, nil},
Include("strings"),
},
"tdqs": {
{`"""(?!")`, LiteralString, Pop(1)},
Include("strings"),
Include("nl"),
},
"funcname": {
{`((?![\d_])\w)(((?!_)\w)|(_(?!_)\w))*`, NameFunction, Pop(1)},
{"`.+`", NameFunction, Pop(1)},
},
"nl": {
{`\n`, LiteralString, nil},
},
"float-number": {
{`\.(?!\.)[0-9_]*`, LiteralNumberFloat, nil},
{`e[+-]?[0-9][0-9_]*`, LiteralNumberFloat, nil},
Default(Pop(1)),
},
"float-suffix": {
{`\'f(32|64)`, LiteralNumberFloat, nil},
Default(Pop(1)),
},
"int-suffix": {
{`\'i(32|64)`, LiteralNumberIntegerLong, nil},
{`\'i(8|16)`, LiteralNumberInteger, nil},
Default(Pop(1)),
},
},
))