From 44b2422433997d6894f72b2aa502da5ee26eb6b9 Mon Sep 17 00:00:00 2001
From: dalance <dalance@gmail.com>
Date: Wed, 22 Jan 2020 19:25:29 +0900
Subject: [PATCH] Impl __LINE__ and __FILE__

---
 CHANGELOG.md                     |  1 +
 sv-parser-pp/src/preprocess.rs   | 32 ++++++++++++++++++++++++++++++++
 sv-parser-pp/testcases/test11.sv |  6 ++++++
 3 files changed, 39 insertions(+)
 create mode 100644 sv-parser-pp/testcases/test11.sv

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3cfa2c2..e7c8d9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.4.19...Unreleased) - ReleaseDate
 
+* [Added] `` `__LINE__`` and `` `__FILE__`` are preprocessed
 * [Fixed] parser priority about specify
 * [Fixed] escaped_ideitifier including `` ` ``
 * [Fixed] time_literal spacing
diff --git a/sv-parser-pp/src/preprocess.rs b/sv-parser-pp/src/preprocess.rs
index af0e1d8..3090a11 100644
--- a/sv-parser-pp/src/preprocess.rs
+++ b/sv-parser-pp/src/preprocess.rs
@@ -425,6 +425,22 @@ pub fn preprocess_str<T: AsRef<Path>, U: AsRef<Path>>(
                     defines = new_defines;
                 }
             }
+            NodeEvent::Enter(RefNode::PositionCompilerDirective(x)) if !skip => {
+                let (_, ref x) = x.nodes;
+                let locate: Locate = x.try_into().unwrap();
+                let x = locate.str(s);
+                if x.starts_with("__FILE__") {
+                    ret.push::<PathBuf>(
+                        &x.replace(
+                            "__FILE__",
+                            &format!("\"{}\"", path.as_ref().to_string_lossy()),
+                        ),
+                        None,
+                    );
+                } else if x.starts_with("__LINE__") {
+                    ret.push::<PathBuf>(&x.replace("__LINE__", &format!("{}", locate.line)), None);
+                }
+            }
             _ => (),
         }
     }
@@ -793,6 +809,22 @@ endmodule
         );
     }
 
+    #[test]
+    fn test11() {
+        let (ret, _) =
+            preprocess(get_testcase("test11.sv"), &HashMap::new(), &[] as &[String]).unwrap();
+        assert_eq!(
+            ret.text(),
+            r##"module a;
+initial begin
+    if (3 == 0) begin
+    end
+end
+endmodule
+"##
+        );
+    }
+
     #[test]
     fn test12() {
         let (ret, _) =
diff --git a/sv-parser-pp/testcases/test11.sv b/sv-parser-pp/testcases/test11.sv
new file mode 100644
index 0000000..911ec70
--- /dev/null
+++ b/sv-parser-pp/testcases/test11.sv
@@ -0,0 +1,6 @@
+module a;
+initial begin
+    if (`__LINE__ == 0) begin
+    end
+end
+endmodule