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-rw-r--r--eval.c82
1 files changed, 61 insertions, 21 deletions
diff --git a/eval.c b/eval.c
index d95672f7..57d6dede 100644
--- a/eval.c
+++ b/eval.c
@@ -109,7 +109,7 @@ val const_foldable_s;
val pct_fun_s;
val special_s, unbound_s;
-val whole_k, form_k, symacro_k;
+val whole_k, form_k, symacro_k, macro_k;
val last_form_evaled;
@@ -765,59 +765,87 @@ static val special_var_p(val sym)
if2(autoload_try_var(sym), gethash(special, sym)));
}
-static val lexical_var_p(val menv, val sym)
+static val lexical_binding_kind(val menv, val sym)
{
if (nilp(menv)) {
return nil;
- } else if (special_var_p(sym)) {
- return nil;
} else {
- type_check(lit("lexical-var-p"), menv, ENV);
+ type_check(lit("lexical-binding-kind"), menv, ENV);
{
val binding = assoc(sym, menv->e.vbindings);
- if (binding) /* special_s: see make_var_shadowing_env */
- return tnil(cdr(binding) == special_s);
- return lexical_var_p(menv->e.up_env, sym);
+ if (binding) {
+ /* special_s: see make_var_shadowing_env */
+ if (cdr(binding) != special_s)
+ return symacro_k;
+ else if (special_var_p(sym))
+ return nil;
+ return var_k;
+ }
}
+
+ return lexical_binding_kind(menv->e.up_env, sym);
}
}
-static val old_lexical_var_p(val menv, val sym)
+static val lexical_fun_binding_kind(val menv, val sym)
{
if (nilp(menv)) {
return nil;
} else {
- type_check(lit("lexical-var-p"), menv, ENV);
+ type_check(lit("lexical-fun-binding-kind"), menv, ENV);
{
- val binding = assoc(sym, menv->e.vbindings);
+ val binding = assoc(sym, menv->e.fbindings);
+ /* special_s: see make_var_shadowing_env */
if (binding)
- return tnil(cdr(binding) == special_s);
- return lexical_var_p(menv->e.up_env, sym);
+ return if3(cdr(binding) == special_s,
+ fun_k, macro_k);
}
+
+ return lexical_fun_binding_kind(menv->e.up_env, sym);
}
}
-static val lexical_fun_p(val menv, val sym)
+static val lexical_var_p(val menv, val sym)
+{
+ return eq(lexical_binding_kind(menv, sym), var_k);
+}
+
+static val lexical_symacro_p(val menv, val sym)
+{
+ return eq(lexical_binding_kind(menv, sym), symacro_k);
+}
+
+static val old_lexical_var_p(val menv, val sym)
{
if (nilp(menv)) {
return nil;
} else {
- type_check(lit("lexical-fun-p"), menv, ENV);
+ type_check(lit("lexical-var-p"), menv, ENV);
{
- val binding = assoc(sym, menv->e.fbindings);
+ val binding = assoc(sym, menv->e.vbindings);
- if (binding) /* special_s: see make_var_shadowing_env */
+ if (binding)
return tnil(cdr(binding) == special_s);
- return lexical_fun_p(menv->e.up_env, sym);
+ return lexical_var_p(menv->e.up_env, sym);
}
}
}
+static val lexical_fun_p(val menv, val sym)
+{
+ return eq(lexical_fun_binding_kind(menv, sym), fun_k);
+}
+
+static val lexical_macro_p(val menv, val sym)
+{
+ return eq(lexical_fun_binding_kind(menv, sym), macro_k);
+}
+
static val lexical_lisp1_binding(val menv, val sym)
{
if (nilp(menv)) {
@@ -828,9 +856,14 @@ static val lexical_lisp1_binding(val menv, val sym)
{
val binding = assoc(sym, menv->e.vbindings);
- if (binding) /* special_s: see make_var_shadowing_env */
- return if3(cdr(binding) == special_s,
- var_k, symacro_k);
+ if (binding) {
+ /* special_s: see make_var_shadowing_env */
+ if (cdr(binding) != special_s)
+ return symacro_k;
+ else if (special_var_p(sym))
+ return nil;
+ return var_k;
+ }
}
{
@@ -7055,6 +7088,7 @@ void eval_init(void)
special_s = intern(lit("special"), system_package);
unbound_s = make_sym(lit("unbound"));
symacro_k = intern(lit("symacro"), keyword_package);
+ macro_k = intern(lit("macro"), keyword_package);
prof_s = intern(lit("prof"), user_package);
switch_s = intern(lit("switch"), system_package);
struct_s = intern(lit("struct"), user_package);
@@ -7426,7 +7460,13 @@ void eval_init(void)
reg_fun(intern(lit("env-fbindings"), user_package), func_n1(env_fbindings));
reg_fun(intern(lit("env-next"), user_package), func_n1(env_next));
reg_fun(intern(lit("lexical-var-p"), user_package), func_n2(lexical_var_p));
+ reg_fun(intern(lit("lexical-symacro-p"), user_package), func_n2(lexical_symacro_p));
reg_fun(intern(lit("lexical-fun-p"), user_package), func_n2(lexical_fun_p));
+ reg_fun(intern(lit("lexical-macro-p"), user_package), func_n2(lexical_macro_p));
+ reg_fun(intern(lit("lexical-binding-kind"), user_package),
+ func_n2(lexical_binding_kind));
+ reg_fun(intern(lit("lexical-fun-binding-kind"), user_package),
+ func_n2(lexical_fun_binding_kind));
reg_fun(intern(lit("lexical-lisp1-binding"), user_package),
func_n2(lexical_lisp1_binding));
reg_fun(intern(lit("chain"), user_package), func_n0v(chainv));