Disambiguate variable declaration and call/array access syntax with `var` + `let`

Signed-off-by: Mel <mel@rnrd.eu>

1 files changed, 27 insertions, 0 deletions

diff --git a/boot/tree.c b/boot/tree.c
index 449f4e6..dff0858 100644
--- a/boot/tree.c
+++ b/boot/tree.c
@@ -912,8 +912,30 @@ struct Statement_Value_Expression
     struct Expression* inner;
 };
 
+enum Statement_Declaration_Kind
+{
+    STATEMENT_DECLARATION_NONE,
+    STATEMENT_DECLARATION_VARIABLE,
+    STATEMENT_DECLARATION_CONSTANT,
+};
+
+enum Statement_Declaration_Kind
+statement_declaration_kind_from_token(const struct Token* token)
+{
+    switch (token->kind) {
+    case TOKEN_WORD_VAR:
+        return STATEMENT_DECLARATION_VARIABLE;
+    case TOKEN_WORD_LET:
+        return STATEMENT_DECLARATION_CONSTANT;
+
+    default:
+        return STATEMENT_DECLARATION_NONE;
+    }
+}
+
 struct Statement_Value_Declaration
 {
+    enum Statement_Declaration_Kind kind;
     struct String_Array names;
     struct Expression* initializer;
     struct Type_Node* type;
@@ -1042,6 +1064,11 @@ statement_print(const struct Statement* statement)
     }
     case STATEMENT_DECLARATION: {
         printf("(declaration ");
+        if (statement->value.declaration.kind == STATEMENT_DECLARATION_VARIABLE)
+            printf("variable ");
+        else if (statement->value.declaration.kind == STATEMENT_DECLARATION_CONSTANT)
+            printf("constant ");
+
         STRING_ARRAY_FOR_EACH(i, name, statement->value.declaration.names)
         {
             printf("%s ", name.data);