Add lexer for RPMSpec (#907)

Author: mambasoft

README.md

@@ -55,7 +55,7 @@ translators for Pygments lexers and styles.
 |   O    | Objective-C, OCaml, Octave, Odin, OnesEnterprise, OpenEdge ABL, OpenSCAD, Org Mode                                                                                                                                                   |
 |   P    | PacmanConf, Perl, PHP, PHTML, Pig, PkgConfig, PL/pgSQL, plaintext, Plutus Core, Pony, PostgreSQL SQL dialect, PostScript, POVRay, PowerQuery, PowerShell, Prolog, PromQL, Promela, properties, Protocol Buffer, PRQL, PSL, Puppet, Python, Python 2 |
 |   Q    | QBasic, QML                                                                                                                                                                                                                          |
-|   R    | R, Racket, Ragel, Raku, react, ReasonML, reg, reStructuredText, Rexx, Ruby, Rust                                                                                                                                                     |
+|   R    | R, Racket, Ragel, Raku, react, ReasonML, reg, reStructuredText, Rexx, RPMSpec, Ruby, Rust                                                                                                                                                     |
 |   S    | SAS, Sass, Scala, Scheme, Scilab, SCSS, Sed, Sieve, Smali, Smalltalk, Smarty, Snobol, Solidity, SourcePawn, SPARQL, SQL, SquidConf, Standard ML, stas, Stylus, Svelte, Swift, SYSTEMD, systemverilog                                 |
 |   T    | TableGen, Tal, TASM, Tcl, Tcsh, Termcap, Terminfo, Terraform, TeX, Thrift, TOML, TradingView, Transact-SQL, Turing, Turtle, Twig, TypeScript, TypoScript, TypoScriptCssData, TypoScriptHtmlData                                      |
 |   V    | V, V shell, Vala, VB.net, verilog, VHDL, VHS, VimL, vue                                                                                                                                                                              |

lexers/embedded/rpm_spec.xml

@@ -0,0 +1,58 @@
+
+<lexer>
+  <config>
+    <name>RPMSpec</name>
+    <alias>spec</alias>
+    <filename>*.spec</filename>
+    <mime_type>text/x-rpm-spec</mime_type>
+  </config>
+  <rules>
+    <state name="root">
+      <rule pattern="#.*$"><token type="Comment"/></rule>
+      <rule><include state="basic"/></rule>
+    </state>
+    <state name="description">
+      <rule pattern="^(%(?:package|prep|build|install|clean|check|pre[a-z]*|post[a-z]*|trigger[a-z]*|files))(.*)$"><bygroups><token type="NameDecorator"/><token type="Text"/></bygroups><pop depth="1"/></rule>
+      <rule pattern="\s+"><token type="TextWhitespace"/></rule>
+      <rule pattern="."><token type="Text"/></rule>
+    </state>
+    <state name="changelog">
+      <rule pattern="\*.*$"><token type="GenericSubheading"/></rule>
+      <rule pattern="^(%(?:package|prep|build|install|clean|check|pre[a-z]*|post[a-z]*|trigger[a-z]*|files))(.*)$"><bygroups><token type="NameDecorator"/><token type="Text"/></bygroups><pop depth="1"/></rule>
+      <rule pattern="\s+"><token type="TextWhitespace"/></rule>
+      <rule pattern="."><token type="Text"/></rule>
+    </state>
+    <state name="string">
+      <rule pattern="&quot;"><token type="LiteralStringDouble"/><pop depth="1"/></rule>
+      <rule pattern="\\([\\abfnrtv&quot;\&#x27;]|x[a-fA-F0-9]{2,4}|[0-7]{1,3})"><token type="LiteralStringEscape"/></rule>
+      <rule><include state="interpol"/></rule>
+      <rule pattern="."><token type="LiteralStringDouble"/></rule>
+    </state>
+    <state name="basic">
+      <rule><include state="macro"/></rule>
+      <rule pattern="(?i)^(Name|Version|Release|Epoch|Summary|Group|License|Packager|Vendor|Icon|URL|Distribution|Prefix|Patch[0-9]*|Source[0-9]*|Requires\(?[a-z]*\)?|[a-z]+Req|Obsoletes|Suggests|Provides|Conflicts|Build[a-z]+|[a-z]+Arch|Auto[a-z]+)(:)(.*)$"><bygroups><token type="GenericHeading"/><token type="Punctuation"/><usingself state="root"/></bygroups></rule>
+      <rule pattern="^%description"><token type="NameDecorator"/><push state="description"/></rule>
+      <rule pattern="^%changelog"><token type="NameDecorator"/><push state="changelog"/></rule>
+      <rule pattern="^(%(?:package|prep|build|install|clean|check|pre[a-z]*|post[a-z]*|trigger[a-z]*|files))(.*)$"><bygroups><token type="NameDecorator"/><token type="Text"/></bygroups></rule>
+      <rule pattern="%(attr|defattr|dir|doc(?:dir)?|setup|config(?:ure)?|make(?:install)|ghost|patch[0-9]+|find_lang|exclude|verify)"><token type="Keyword"/></rule>
+      <rule><include state="interpol"/></rule>
+      <rule pattern="&#x27;.*?&#x27;"><token type="LiteralStringSingle"/></rule>
+      <rule pattern="&quot;"><token type="LiteralStringDouble"/><push state="string"/></rule>
+      <rule pattern="\s+"><token type="TextWhitespace"/></rule>
+      <rule pattern="."><token type="Text"/></rule>
+    </state>
+    <state name="macro">
+      <rule pattern="%define.*$"><token type="CommentPreproc"/></rule>
+      <rule pattern="%\{\!\?.*%define.*\}"><token type="CommentPreproc"/></rule>
+      <rule pattern="(%(?:if(?:n?arch)?|else(?:if)?|endif))(.*)$"><bygroups><token type="CommentPreproc"/><token type="Text"/></bygroups></rule>
+    </state>
+    <state name="interpol">
+      <rule pattern="%\{?__[a-z_]+\}?"><token type="NameFunction"/></rule>
+      <rule pattern="%\{?_([a-z_]+dir|[a-z_]+path|prefix)\}?"><token type="KeywordPseudo"/></rule>
+      <rule pattern="%\{\?\w+\}"><token type="NameVariable"/></rule>
+      <rule pattern="\$\{?RPM_[A-Z0-9_]+\}?"><token type="NameVariableGlobal"/></rule>
+      <rule pattern="%\{[a-zA-Z]\w+\}"><token type="KeywordConstant"/></rule>
+    </state>
+  </rules>
+</lexer>
+