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disallow non-symbol objects at places where symbol is required

This commit is contained in:
Yuichi Nishiwaki 2014-07-20 13:52:48 +09:00
parent 6fdd60b51c
commit 95a3f8880c
1 changed files with 0 additions and 15 deletions
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15
src/macro.c
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@ -216,17 +216,11 @@ macroexpand_lambda(pic_state *pic, pic_value expr, struct pic_senv *senv)
for (a = pic_cadr(pic, expr); pic_pair_p(a); a = pic_cdr(pic, a)) {
pic_value v = pic_car(pic, a);
if (! pic_sym_p(v)) {
v = macroexpand(pic, v, senv);
}
if (! pic_sym_p(v)) {
pic_error(pic, "syntax error");
}
pic_add_rename(pic, in, pic_sym(v));
}
if (! pic_sym_p(a)) {
a = macroexpand(pic, a, senv);
}
if (pic_sym_p(a)) {
pic_add_rename(pic, in, pic_sym(a));
}
@ -259,9 +253,6 @@ macroexpand_define(pic_state *pic, pic_value expr, struct pic_senv *senv)
}
var = formal;
}
if (! pic_sym_p(var)) {
var = macroexpand(pic, var, senv);
}
if (! pic_sym_p(var)) {
pic_error(pic, "binding to non-symbol object");
}
@ -289,9 +280,6 @@ macroexpand_defsyntax(pic_state *pic, pic_value expr, struct pic_senv *senv)
}
var = pic_cadr(pic, expr);
if (! pic_sym_p(var)) {
var = macroexpand(pic, var, senv);
}
if (! pic_sym_p(var)) {
pic_error(pic, "binding to non-symbol object");
}
@ -336,9 +324,6 @@ macroexpand_let_syntax(pic_state *pic, pic_value expr, struct pic_senv *senv)
}
pic_for_each (v, formal) {
var = pic_car(pic, v);
if (! pic_sym_p(var)) {
var = macroexpand(pic, var, senv);
}
if (! pic_sym_p(var)) {
pic_error(pic, "binding to non-symbol object");
}