From d12f9f563968ea8471b4929936ac4f8553810428 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Thu, 1 Apr 2021 23:10:10 -0600
Subject: put extensions behind a feature

---
 src/makefile/mod.rs | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'src/makefile/mod.rs')

diff --git a/src/makefile/mod.rs b/src/makefile/mod.rs
index 5be18e0..9038150 100644
--- a/src/makefile/mod.rs
+++ b/src/makefile/mod.rs
@@ -15,15 +15,19 @@ use regex::Regex;
 use crate::args::Args;
 
 mod command_line;
+#[cfg(feature = "full")]
 mod conditional;
+#[cfg(feature = "full")]
 mod functions;
 mod inference_rules;
 mod r#macro;
+#[cfg(feature = "full")]
 mod pattern;
 mod target;
 mod token;
 
 use command_line::CommandLine;
+#[cfg(feature = "full")]
 use conditional::{Line as ConditionalLine, State as ConditionalState};
 use inference_rules::InferenceRule;
 use r#macro::{Set as MacroSet, Source as MacroSource};
@@ -154,6 +158,7 @@ impl<'a> Makefile<'a> {
                 )
             })
             .peekable();
+        #[cfg(feature = "full")]
         let mut conditional_stack: Vec<ConditionalState> = vec![];
         while let Some((line_number, line)) = lines_iter.next() {
             let mut line = line?;
@@ -174,6 +179,7 @@ impl<'a> Makefile<'a> {
             let line = COMMENT.replace(&line, "").into_owned();
 
             // skip lines if we need to
+            #[cfg(feature = "full")]
             if conditional_stack
                 .last()
                 .map_or(false, ConditionalState::skipping)
@@ -192,16 +198,20 @@ impl<'a> Makefile<'a> {
                 for field in fields {
                     self.and_read_file(field)?;
                 }
-            } else if let Some(line) =
-                ConditionalLine::from(&line, |t| self.expand_macros(t, None))?
-            {
+                continue;
+            }
+
+            #[cfg(feature = "full")]
+            if let Some(line) = ConditionalLine::from(&line, |t| self.expand_macros(t, None))? {
                 line.action(
                     conditional_stack.last(),
                     |name| self.macros.is_defined(name),
                     |t| self.expand_macros(t, None),
                 )?
                 .apply_to(&mut conditional_stack);
-            } else if line.trim().is_empty() {
+                continue;
+            }
+            if line.trim().is_empty() {
                 // handle blank lines
                 continue;
             } else {
@@ -711,6 +721,7 @@ mod test {
         }
     }
 
+    #[cfg(feature = "full")]
     #[test]
     fn basic_conditionals() -> R {
         let file = "
-- 
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