fix the unbounded type recursion (thanks @Lucretiel!)

1 files changed, 19 insertions, 21 deletions

diff --git a/src/makefile/functions.rs b/src/makefile/functions.rs
index 12da6c9..61b9828 100644
--- a/src/makefile/functions.rs
+++ b/src/makefile/functions.rs
@@ -1,8 +1,8 @@
 use super::pattern::r#match;
-use super::r#macro::MacroSetLike;
+use super::r#macro::{MacroSet, MacroSource};
 use super::token::TokenString;
 
-pub(crate) fn expand_call(name: &str, args: &[TokenString], macros: &impl MacroSetLike) -> String {
+pub(crate) fn expand_call(name: &str, args: &[TokenString], macros: &MacroSet) -> String {
     match name {
         "filter" => {
             assert_eq!(args.len(), 2);
@@ -60,14 +60,10 @@ pub(crate) fn expand_call(name: &str, args: &[TokenString], macros: &impl MacroS
 // Text Functions
 mod text {
     use super::r#match;
-    use super::MacroSetLike;
+    use super::MacroSet;
     use super::TokenString;
 
-    pub(crate) fn filter(
-        macros: &impl MacroSetLike,
-        patterns: &TokenString,
-        text: &TokenString,
-    ) -> String {
+    pub(crate) fn filter(macros: &MacroSet, patterns: &TokenString, text: &TokenString) -> String {
         let patterns = macros.expand(patterns);
         let patterns = patterns.split_whitespace().collect::<Vec<_>>();
         let text = macros.expand(text);
@@ -85,7 +81,7 @@ mod text {
     }
 
     pub(crate) fn filter_out(
-        macros: &impl MacroSetLike,
+        macros: &MacroSet,
         patterns: &TokenString,
         text: &TokenString,
     ) -> String {
@@ -105,7 +101,7 @@ mod text {
         result_pieces.join(" ")
     }
 
-    pub(crate) fn sort(macros: &impl MacroSetLike, words: &TokenString) -> String {
+    pub(crate) fn sort(macros: &MacroSet, words: &TokenString) -> String {
         let words = macros.expand(words);
         let mut words = words.split_whitespace().collect::<Vec<_>>();
         words.sort_unstable();
@@ -120,10 +116,10 @@ mod file_name {
     use std::ffi::OsStr;
     use std::path::Path;
 
-    use super::MacroSetLike;
+    use super::MacroSet;
     use super::TokenString;
 
-    pub(crate) fn notdir(macros: &impl MacroSetLike, words: &TokenString) -> String {
+    pub(crate) fn notdir(macros: &MacroSet, words: &TokenString) -> String {
         let words = macros.expand(words);
         let words = words
             .split_whitespace()
@@ -137,7 +133,7 @@ mod file_name {
         words.join(" ")
     }
 
-    pub(crate) fn basename(macros: &impl MacroSetLike, words: &TokenString) -> String {
+    pub(crate) fn basename(macros: &MacroSet, words: &TokenString) -> String {
         let words = macros.expand(words);
         let words = words
             .split_whitespace()
@@ -152,7 +148,7 @@ mod file_name {
     }
 
     pub(crate) fn addprefix(
-        macros: &impl MacroSetLike,
+        macros: &MacroSet,
         prefix: &TokenString,
         targets: &TokenString,
     ) -> String {
@@ -165,7 +161,7 @@ mod file_name {
         results.join(" ")
     }
 
-    pub(crate) fn wildcard(macros: &impl MacroSetLike, pattern: &TokenString) -> String {
+    pub(crate) fn wildcard(macros: &MacroSet, pattern: &TokenString) -> String {
         let pattern = macros.expand(pattern);
         let home_dir = env::var("HOME")
             .ok()
@@ -188,11 +184,12 @@ mod file_name {
 
 // foreach
 mod foreach {
-    use super::MacroSetLike;
+    use super::MacroSet;
+    use super::MacroSource;
     use super::TokenString;
 
     pub(crate) fn foreach(
-        macros: &impl MacroSetLike,
+        macros: &MacroSet,
         var: &TokenString,
         list: &TokenString,
         text: &TokenString,
@@ -204,7 +201,7 @@ mod foreach {
         let mut macros = macros.with_overlay();
         let results = words
             .map(|word| {
-                macros.set(var.clone(), TokenString::text(word));
+                macros.set(var.clone(), MacroSource::File, TokenString::text(word));
                 macros.expand(text)
             })
             .collect::<Vec<_>>();
@@ -214,11 +211,12 @@ mod foreach {
 
 // call
 mod call {
-    use super::MacroSetLike;
+    use super::MacroSet;
+    use super::MacroSource;
     use super::TokenString;
 
     pub(crate) fn call<'a>(
-        macros: &impl MacroSetLike,
+        macros: &MacroSet,
         args: impl Iterator<Item = &'a TokenString>,
     ) -> String {
         let args = args.map(|arg| macros.expand(arg)).collect::<Vec<_>>();
@@ -226,7 +224,7 @@ mod call {
 
         let mut macros = macros.with_overlay();
         for (i, x) in args.into_iter().enumerate() {
-            macros.set(i.to_string(), TokenString::text(x));
+            macros.set(i.to_string(), MacroSource::File, TokenString::text(x));
         }
         macros.expand(&TokenString::r#macro(function))
     }