Start using 'symbol' in favor of 'name' or 'label'

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/vm/obj/assemble/error.rs

@@ -9,11 +9,13 @@ pub enum AssembleError {
     #[snafu(display("IO error: {}", source))]
     Io { source: io::Error },
 
+
+
     #[snafu(display("duplicate symbol name: {}", name))]
-    DuplicateName { name: String },
+    DuplicateSymbol { name: String },
 
     #[snafu(display("duplicate exported symbol name: {}", name))]
-    DuplicateExportName { name: String },
+    DuplicateExportSymbol { name: String },
 }
 
 pub type Result<T, E = AssembleError> = std::result::Result<T, E>;

src/vm/obj/assemble/mod.rs

@@ -49,7 +49,7 @@ impl<'a> Assemble<'a> {
                 let export_keys = exports.keys().collect::<HashSet<&String>>();
                 let global_keys = self.symbols.globals().keys().collect::<HashSet<&String>>();
                 if let Some(key) = export_keys.intersection(&global_keys).next() {
-                    return Err(AssembleError::DuplicateExportName {
+                    return Err(AssembleError::DuplicateExportSymbol {
                         name: key.to_string(),
                     });
                 }
@@ -134,7 +134,7 @@ impl<'a> Assemble<'a> {
                         }
                         Line::LabelDef(label) => {
                             if labels.contains_key(label) {
-                                return Err(AssembleError::DuplicateName {
+                                return Err(AssembleError::DuplicateSymbol {
                                     name: label.to_string(),
                                 });
                             } else {