Scan and print sections - prepare for SymbolTable

src/Tools/readmap/src/lib.rs

@@ -7,17 +7,32 @@ pub fn scan<F: FnMut() -> Option<String>>(mut next_line: F) -> Result<MemoryMap,
     const SECTION_IDENTIFIER:&'static str      = "Sections:";
     const SYMBOL_TABLE_IDENTIFIER:&'static str = "SYMBOL TABLE:";
 
-    while let Some(line) = next_line() {
+    let mut memory_map = MemoryMap::default();
-        if line == SECTION_IDENTIFIER {
-            scan_sections(&mut next_line)?;
-        }
 
-        if line == SYMBOL_TABLE_IDENTIFIER {}
+    while let Some(mut line) = next_line() {
+        loop {
+            // loop so we pick-up changes of line
+            if line == SECTION_IDENTIFIER {
+                line = scan_sections(&mut next_line, &mut memory_map.sections)?;
+                continue;
+            }
+
+            if line == SYMBOL_TABLE_IDENTIFIER {
+                // Process Symbol table here
+            }
+
+            break;
+        }
+    }
+
+    // Print them off for now!
+    for section in memory_map.sections {
+        println!("Name: {}", section.name);
     }
     Err(Error::not_implemented("scan"))
 }
 
-fn scan_sections<F: FnMut() -> Option<String>>(next_line: &mut F) -> Result<Vec<Section>, Error> {
+fn scan_sections<F: FnMut() -> Option<String>>(next_line: &mut F, sections: &mut Vec<Section>) -> Result<String, Error> {
     while let Some(_) = next_line() {
         // We read every other line
         let line           = next_line().ok_or(Error::from_str("Failed skipping section line"))?;
@@ -27,15 +42,15 @@ fn scan_sections<F: FnMut() -> Option<String>>(next_line: &mut F) -> Result<Vec<
             let size = split_line_radix(&mut split_line, 16, "Section Size")?;
             let adr  = split_line_radix(&mut split_line, 16, "Section Address")?;
 
-            println!("\"{}\" @0x{:X} -> 0x{:X}", name, adr, (adr + size));
+            sections.push(Section::new(name.to_string(), adr, size as usize));
         }
 
         else {
-            return Err(Error::from_str("<No proper return value yet>"));
+            return Ok(line);
         }
     }
 
-    Err(Error::not_implemented("scan"))
+    Err(Error::not_implemented("Failed obtaining complete section"))
 }
 
 fn split_line_radix<'a>(split_line: &mut std::str::SplitWhitespace<'a>, radix: u32, value_name: &str) -> Result<u64, Error> {