Fix text macro identifier parsing

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.3.2...Unreleased) - ReleaseDate
 
 * [Fixed] define arument
+* [Fixed] text macro identifier
 
 ## [v0.3.2](https://github.com/dalance/sv-parser/compare/v0.2.1...v0.3.2) - 2019-10-29
 

sv-parser-parser/src/general/compiler_directives.rs

@@ -239,7 +239,9 @@ pub(crate) fn default_text(s: Span) -> IResult<Span, DefaultText> {
 #[packrat_parser]
 pub(crate) fn text_macro_usage(s: Span) -> IResult<Span, TextMacroUsage> {
     let (s, a) = symbol("`")(s)?;
+    begin_keywords("directive");
     let (s, b) = text_macro_identifier(s)?;
+    end_keywords();
     let (s, c) = opt(paren(list_of_actual_arguments))(s)?;
     Ok((s, TextMacroUsage { nodes: (a, b, c) }))
 }

sv-parser-parser/src/keywords.rs

@@ -1444,3 +1444,28 @@ pub(crate) const KEYWORDS_1800_2017: &[&str] = &[
     "xnor",
     "xor",
 ];
+
+pub(crate) const KEYWORDS_DIRECTIVE: &[&str] = &[
+    "__FILE__",
+    "__LINE__",
+    "begin_keywords",
+    "celldefine",
+    "default_nettype",
+    "define",
+    "else",
+    "elsif",
+    "end_keywords",
+    "endcelldefine",
+    "endif",
+    "ifdef",
+    "ifndef",
+    "include",
+    "line",
+    "nounconnected_drive",
+    "pragma",
+    "resetall",
+    "timescale",
+    "unconnected_drive",
+    "undef",
+    "undefineall",
+];

sv-parser-parser/src/utils.rs

@@ -376,6 +376,7 @@ pub(crate) enum VersionSpecifier {
     Ieee1800_2009,
     Ieee1800_2012,
     Ieee1800_2017,
+    Directive,
 }
 
 thread_local!(
@@ -410,6 +411,9 @@ pub(crate) fn begin_keywords(version: &str) {
         "1800-2017" => current_version
             .borrow_mut()
             .push(VersionSpecifier::Ieee1800_2017),
+        "directive" => current_version
+            .borrow_mut()
+            .push(VersionSpecifier::Directive),
         _ => (),
     });
 }
@@ -453,6 +457,7 @@ pub(crate) fn is_keyword(s: &Span) -> bool {
         Some(VersionSpecifier::Ieee1800_2009) => KEYWORDS_1800_2009,
         Some(VersionSpecifier::Ieee1800_2012) => KEYWORDS_1800_2012,
         Some(VersionSpecifier::Ieee1800_2017) => KEYWORDS_1800_2017,
+        Some(VersionSpecifier::Directive) => KEYWORDS_DIRECTIVE,
         None => KEYWORDS_1800_2017,
     };
     for k in keywords {