UPDATE: Adds LOG10 and LN for Elsa

base/src/expressions/lexer/mod.rs

@@ -314,6 +314,9 @@ impl Lexer {
                             } else if name_upper == self.language.booleans.r#false {
                                 return TokenType::Boolean(false);
                             }
+                            if self.peek_char() == Some('(') {
+                                return TokenType::Ident(name);
+                            }
                             if self.mode == LexerMode::A1 {
                                 let parsed_reference = utils::parse_reference_a1(&name_upper);
                                 if parsed_reference.is_some()

base/src/expressions/lexer/test/test_common.rs

@@ -1,5 +1,6 @@
 #![allow(clippy::unwrap_used)]
 
+use crate::expressions::utils::column_to_number;
 use crate::language::get_language;
 use crate::locale::get_locale;
 
@@ -685,3 +686,29 @@ fn test_comparisons() {
     assert_eq!(lx.next_token(), Number(7.0));
     assert_eq!(lx.next_token(), EOF);
 }
+
+#[test]
+fn test_log10_is_cell_reference() {
+    let mut lx = new_lexer("LOG10", true);
+    assert_eq!(
+        lx.next_token(),
+        Reference {
+            sheet: None,
+            column: column_to_number("LOG").unwrap(),
+            row: 10,
+            absolute_column: false,
+            absolute_row: false,
+        }
+    );
+    assert_eq!(lx.next_token(), EOF);
+}
+
+#[test]
+fn test_log10_is_function() {
+    let mut lx = new_lexer("LOG10(100)", true);
+    assert_eq!(lx.next_token(), Ident("LOG10".to_string()));
+    assert_eq!(lx.next_token(), LeftParenthesis);
+    assert_eq!(lx.next_token(), Number(100.0));
+    assert_eq!(lx.next_token(), RightParenthesis);
+    assert_eq!(lx.next_token(), EOF);
+}

base/src/expressions/parser/static_analysis.rs

@@ -609,6 +609,9 @@ fn get_function_args_signature(kind: &Function, arg_count: usize) -> Vec<Signatu
         Function::Choose => vec![Signature::Scalar; arg_count],
         Function::Column => args_signature_row(arg_count),
         Function::Columns => args_signature_one_vector(arg_count),
+        Function::Ln => args_signature_scalars(arg_count, 1, 0),
+        Function::Log => args_signature_scalars(arg_count, 1, 1),
+        Function::Log10 => args_signature_scalars(arg_count, 1, 0),
         Function::Cos => args_signature_scalars(arg_count, 1, 0),
         Function::Cosh => args_signature_scalars(arg_count, 1, 0),
         Function::Max => vec![Signature::Vector; arg_count],
@@ -820,6 +823,9 @@ fn static_analysis_on_function(kind: &Function, args: &[Node]) -> StaticResult {
         Function::Round => scalar_arguments(args),
         Function::Rounddown => scalar_arguments(args),
         Function::Roundup => scalar_arguments(args),
+        Function::Ln => scalar_arguments(args),
+        Function::Log => scalar_arguments(args),
+        Function::Log10 => scalar_arguments(args),
         Function::Sin => scalar_arguments(args),
         Function::Sinh => scalar_arguments(args),
         Function::Sqrt => scalar_arguments(args),

base/src/expressions/utils/test.rs

@@ -211,4 +211,6 @@ fn test_names() {
     assert!(!is_valid_identifier("test€"));
     assert!(!is_valid_identifier("truñe"));
     assert!(!is_valid_identifier("tr&ue"));
+
+    assert!(!is_valid_identifier("LOG10"));
 }