Add a specific error for nested macro definitions

This case was previously being reported with the message "The macro
definition was not terminated, add a ';' character to terminate", which
was not very helpful.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/stages/syntactic_tokens.rs b/src/stages/syntactic_tokens.rs
index 5a0ac9e..1f8db7f 100644
--- a/src/stages/syntactic_tokens.rs
+++ b/src/stages/syntactic_tokens.rs
@@ -57,6 +57,7 @@ pub enum SyntacticError {
     UnterminatedCharacterLiteral,
     UnterminatedStringLiteral,
     UnterminatedMacroDefinition(String),
+    MacroDefinitionInMacroDefinition,
 
     UnmatchedBlockTerminator,
     UnmatchedExpressionTerminator,
@@ -96,6 +97,8 @@ fn report_syntactic_error(error: &Tracked<SyntacticError>, source_code: &str) {
             "String was not terminated, add a '\"' character to terminate",
         SyntacticError::UnterminatedMacroDefinition(name) =>
             &format!("The '{name}' macro definition was not terminated, add a ';' character to terminate"),
+        SyntacticError::MacroDefinitionInMacroDefinition =>
+            &format!("Attempted to define a macro inside another macro definition"),
 
         SyntacticError::UnmatchedBlockTerminator =>
             "Attempted to terminate a block, but no block was in progress",