shithub: femtolisp

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put current fname into unbound errors

--- a/builtins.c

+++ b/builtins.c

@@ -132,7 +132,7 @@

     argcount(nargs, 1);

     symbol_t *sym = tosymbol(args[0]);

     if (sym->binding == UNBOUND)

-        fl_raise(fl_list2(UnboundError, args[0]));

+        unbound_error(args[0]);

     return sym->binding;

 }

--- a/flisp.boot

+++ b/flisp.boot

@@ -359,7 +359,7 @@

 							     #fn("6000n0Aw0:" #(*print-readably*))))

 				 *print-readably*) princ)

 	  print #fn(":000|07021062:" #(for-each #fn(write)) print)

-	  print-exception #fn("=000n10B;3D040<20Q;3:04710r4523P072230T247505126554777805151@\x0700B;3D040<29Q;3:04710r4523N0720T2:780512;544777505151@\xd000B;3@040<2<Q;36040=B3?0722=0T2>53@\xac00B;38040<2?Q3B0722@514720=f2@\x8d00B;38040<2AQ3G07B75051514722C0T52@i07D051;3:04710r2523I0770<514722E5142F0T51@>0722G514770514727H61:" #(type-error

+	  print-exception #fn("=000n10B;3D040<20Q;3:04710r4523P072230T247505126554777805151@\x0a00B;3D040<29Q;3:04710r4523N0720T2:780512;544777505151@\xd300B;3@040<2<Q;36040=B3B0722=750512>53@\xac00B;38040<2?Q3B0722@514720=f2@\x8d00B;38040<2AQ3G07B75051514722C0T52@i07D051;3:04710r2523I0770<514722E5142F0T51@>0722G514770514727H61:" #(type-error

   length= princ "type error: " ": expected " caddr ", got " print cadddr

   bounds-error ": index " " out of bounds for " unbound-error "eval: variable "

   " has no value" error "error: " load-error print-exception "in file " list?

--- a/flisp.c

+++ b/flisp.c

@@ -39,8 +39,9 @@

 static uint32_t N_GCHND = 0;

 value_t FL_NIL, FL_T, FL_F, FL_EOF, QUOTE;

-value_t IOError, ParseError, TypeError, ArgError, UnboundError, MemoryError;

+value_t IOError, ParseError, TypeError, ArgError, MemoryError;

 value_t DivideError, BoundsError, Error, KeyError, EnumerationError;

+static value_t UnboundError;

 value_t printwidthsym, printreadablysym, printprettysym, printlengthsym;

 value_t printlevelsym, builtins_table_sym;

@@ -170,6 +171,11 @@

     fl_raise(fl_listn(4, BoundsError, symbol(curr_fname), arr, ind));

 }

+_Noreturn void unbound_error(value_t sym)

+{

+    fl_raise(fl_listn(3, UnboundError, symbol(curr_fname), sym));

+}

+

 // safe cast operators --------------------------------------------------------

 #define isstring fl_isstring

@@ -603,7 +609,7 @@

     else if (isbuiltin(f)) {

         value_t tab = symbol_value(builtins_table_sym);

         if (ptr(tab) == nil)

-            lerrorf(UnboundError, "builtins table");

+            unbound_error(tab);

         Stack[SP-n-1] = vector_elt(tab, uintval(f));

         curr_fname = builtins[uintval(f)].name;

         v = apply_cl(n);

@@ -1056,7 +1062,7 @@

             assert(issymbol(v));

             sym = (symbol_t*)ptr(v);

             if (sym->binding == UNBOUND)

-                fl_raise(fl_list2(UnboundError, v));

+                unbound_error(v);

             PUSH(sym->binding);

             NEXT_OP;

--- a/flisp.h

+++ b/flisp.h

@@ -219,8 +219,8 @@

 _Noreturn void fl_raise(value_t e);

 _Noreturn void type_error(char *expected, value_t got);

 _Noreturn void bounds_error(value_t arr, value_t ind);

+_Noreturn void unbound_error(value_t sym);

 extern value_t ArgError, IOError, KeyError, MemoryError, EnumerationError;

-extern value_t UnboundError;

 #define argcount(nargs, c)                                \

     do {                                                  \

         if (__unlikely(nargs != c)) {                     \

--- a/read.c

+++ b/read.c

@@ -692,7 +692,7 @@

         }

         v = symbol_value(sym);

         if (v == UNBOUND)

-            fl_raise(fl_list2(UnboundError, sym));

+            unbound_error(sym);

         return fl_apply(v, POP());

     case TOK_SHARPOPEN:

         return read_vector(label, TOK_CLOSE);

@@ -706,7 +706,7 @@

         if (issymbol(sym)) {

             v = symbol_value(sym);

             if (v == UNBOUND)

-                fl_raise(fl_list2(UnboundError, sym));

+                unbound_error(sym);

             return v;

         }

         return fl_toplevel_eval(sym);

--- a/system.lsp

+++ b/system.lsp

@@ -976,7 +976,7 @@

 	((and (pair? e)

 	      (eq? (car e) 'unbound-error)

 	      (pair? (cdr e)))

-	 (princ "eval: variable " (cadr e) " has no value"))

+	 (princ "eval: variable " (caddr e) " has no value"))

 	((and (pair? e)

 	      (eq? (car e) 'error))