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-rw-r--r--src/makefile/mod.rs16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/makefile/mod.rs b/src/makefile/mod.rs
index bd8838a..4c39160 100644
--- a/src/makefile/mod.rs
+++ b/src/makefile/mod.rs
@@ -270,9 +270,9 @@ impl Makefile {
}
pub fn and_read(&mut self, source: impl BufRead) -> &mut Makefile {
- let mut lines_iter = source.lines().peekable();
+ let mut lines_iter = source.lines().enumerate().peekable();
while lines_iter.peek().is_some() {
- let line = match lines_iter.next() {
+ let (line_number, line) = match lines_iter.next() {
Some(x) => x,
// fancy Rust trick: break-with-an-argument to return a value from a
// `loop` expression
@@ -284,7 +284,7 @@ impl Makefile {
// handle escaped newlines
while line.ends_with(r"\") {
let next_line = match lines_iter.next() {
- Some(x) => x,
+ Some((_, x)) => x,
None => Ok("".into()),
};
let next_line = next_line.expect("failed to read line of makefile!");
@@ -362,7 +362,7 @@ impl Makefile {
Some((prerequisites, mut command)) => {
while command.ends_with(r"\") && lines_iter.peek().is_some() {
command.strip_suffix(r"\");
- command.extend(tokenize(&lines_iter.next().unwrap().unwrap()));
+ command.extend(tokenize(&lines_iter.next().unwrap().1.unwrap()));
}
(prerequisites, vec![command])
}
@@ -371,12 +371,12 @@ impl Makefile {
let prerequisites = self.expand_macros(&prerequisites, None);
let prerequisites = prerequisites.split_whitespace().map(|x| x.into()).collect::<Vec<String>>();
- while lines_iter.peek().and_then(|x| x.as_ref().ok()).map_or(false, |line| line.starts_with('\t')) {
- let line = lines_iter.next().unwrap().unwrap();
+ while lines_iter.peek().and_then(|(_, x)| x.as_ref().ok()).map_or(false, |line| line.starts_with('\t')) {
+ let line = lines_iter.next().unwrap().1.unwrap();
let mut line: String = line.strip_prefix("\t").unwrap().into();
while line.ends_with('\\') {
match lines_iter.next() {
- Some(Ok(next_line)) => {
+ Some((_, Ok(next_line))) => {
let next_line = next_line.strip_prefix("\t").unwrap_or(&next_line);
line.push('\n');
line.push_str(next_line);
@@ -497,7 +497,7 @@ impl Makefile {
self.macros.insert(name.into(), (MacroSource::File, value));
}
LineType::Unknown => {
- panic!("Unknown line {:?}", line_tokens);
+ panic!("error: line {}: unknown line {:?}", line_number, line_tokens);
}
}
}