From 447dd3edc1355f3875af488ba9ded2cce9bc67b4 Mon Sep 17 00:00:00 2001
From: Jordan Orelli <jorelli@singularity6.com>
Date: Sun, 18 Feb 2024 12:41:33 -0600
Subject: [PATCH] double-quoted string literals

---
 src/lex.rs | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/src/lex.rs b/src/lex.rs
index 45ef286..654fe97 100644
--- a/src/lex.rs
+++ b/src/lex.rs
@@ -129,7 +129,7 @@ impl<'text> Tokenizer<'text> {
             _ if next.is_glob() => Some(self.lex_glob(vec![next])),
             '@' => Some(self.lex_var(vec![next])),
             '\'' => Some(self.lex_raw_string(vec![next])),
-            '"' => Some(self.lex_interp_string(vec![next])),
+            '"' => Some(self.lex_string_literal(vec![])),
             ';' => Some(Ok(Token::Semi(next))),
             _ => Some(Err(LexError::UnexpectedCharacter(next))),
         }
@@ -188,11 +188,24 @@ impl<'text> Tokenizer<'text> {
         ))
     }
 
-    fn lex_interp_string(&mut self, _progress: Vec<Glyph>) -> Result<Token, LexError> {
-        Err(LexError::not_yet(
-            self.source.next_position,
-            "interpreted strings not done yet",
-        ))
+    fn lex_string_literal(&mut self, mut progress: Vec<Glyph>) -> Result<Token, LexError> {
+        while let Some(next) = self.source.peek() {
+            match next.glyph {
+                _ if next.glyph.is_whitespace() => progress.push(self.source.pop()?),
+                _ if next.is_word() => progress.push(self.source.pop()?),
+                _ if next.is_glob() => progress.push(self.source.pop()?),
+                '"' => {
+                    self.source.pop()?;
+                    break;
+                }
+                _ => todo!(),
+            }
+        }
+        if progress.is_empty() {
+            Err(LexError::UnexpectedEOF(self.source.next_position))
+        } else {
+            Ok(Token::Word(progress.into()))
+        }
     }
 
     fn lex_var(&mut self, _progress: Vec<Glyph>) -> Result<Token, LexError> {
@@ -331,8 +344,6 @@ mod tests {
         // Single-quoted strings arne't done yet
         strings: r"echo 'one' two";
 
-        // Single-quoted strings arne't done yet
-        double_quoted_strings: r#"echo "one" two"#;
     }
 
     accept! {
@@ -342,6 +353,11 @@ mod tests {
         identifier_2 "  a" [ word("a") ]
         identifier_3 "a  " [ word("a") ]
         identifier_4 "  a  " [ word("a") ]
+        double_quoted_strings r#"echo "one" two"# [
+            word("echo")
+            word("one")
+            word("two")
+        ]
         file_name "poop.exe" [ word("poop.exe") ]
         multi_idents "one two    three			four  " [
             word("one")