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adding opcode utilities

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This commit is contained in:
Alex Shinn 2011-11-10 21:51:17 +09:00
parent 669ee3828c
commit 8e205822cb
2 changed files with 30 additions and 6 deletions
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34
lib/chibi/ast.c
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@ -76,6 +76,8 @@ static sexp sexp_translate_opcode_type (sexp ctx, sexp type) {
static sexp sexp_get_opcode_ret_type (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp res;
if (!op)
return sexp_type_by_index(ctx, SEXP_OBJECT);
if (! sexp_opcodep(op))
return sexp_type_exception(ctx, self, SEXP_OPCODE, op);
if (sexp_opcode_code(op) == SEXP_OP_RAISE)
@ -104,7 +106,7 @@ static sexp sexp_get_opcode_param_type (sexp ctx, sexp self, sexp_sint_t n, sexp
break;
default:
res = sexp_opcode_arg3_type(op);
if (sexp_vectorp(res)) {
if (res && sexp_vectorp(res)) {
if (sexp_vector_length(res) > (sexp_unbox_fixnum(k)-2))
res = sexp_vector_ref(res, sexp_fx_sub(k, SEXP_TWO));
else
@ -115,15 +117,34 @@ static sexp sexp_get_opcode_param_type (sexp ctx, sexp self, sexp_sint_t n, sexp
return sexp_translate_opcode_type(ctx, res);
}
static sexp sexp_get_opcode_class (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
return sexp_make_fixnum(sexp_opcode_class(op));
}
static sexp sexp_get_opcode_code (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
return sexp_make_fixnum(sexp_opcode_code(op));
}
static sexp sexp_get_opcode_data (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp data;
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
data = sexp_opcode_data(op);
if (!data) return SEXP_VOID;
return sexp_opcode_class(op) == SEXP_OPC_TYPE_PREDICATE
&& 0 <= sexp_unbox_fixnum(data)
&& sexp_unbox_fixnum(data) <= sexp_context_num_types(ctx) ?
sexp_type_by_index(ctx, sexp_unbox_fixnum(data)) : data;
}
static sexp sexp_get_opcode_num_params (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
if (! sexp_opcodep(op))
return sexp_type_exception(ctx, self, SEXP_OPCODE, op);
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
return sexp_make_fixnum(sexp_opcode_num_args(op));
}
static sexp sexp_get_opcode_variadic_p (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
if (! sexp_opcodep(op))
return sexp_type_exception(ctx, self, SEXP_OPCODE, op);
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
return sexp_make_boolean(sexp_opcode_variadic_p(op));
}
@ -412,6 +433,9 @@ sexp sexp_init_library (sexp ctx, sexp self, sexp_sint_t n, sexp env, const char
sexp_define_foreign(ctx, env, "extend-env", 2, sexp_extend_env);
sexp_define_foreign(ctx, env, "env-cell", 2, sexp_get_env_cell);
sexp_define_foreign(ctx, env, "opcode-name", 1, sexp_get_opcode_name);
sexp_define_foreign(ctx, env, "opcode-class", 1, sexp_get_opcode_class);
sexp_define_foreign(ctx, env, "opcode-code", 1, sexp_get_opcode_code);
sexp_define_foreign(ctx, env, "opcode-data", 1, sexp_get_opcode_data);
sexp_define_foreign(ctx, env, "opcode-variadic?", 1, sexp_get_opcode_variadic_p);
sexp_define_foreign(ctx, env, "opcode-num-params", 1, sexp_get_opcode_num_params);
sexp_define_foreign(ctx, env, "opcode-return-type", 1, sexp_get_opcode_ret_type);

2
lib/chibi/ast.sld
View file

@ -24,7 +24,7 @@
seq-ls seq-ls-set! lit-value lit-value-set!
exception-kind exception-message exception-irritants
opcode-name opcode-num-params opcode-return-type opcode-param-type
opcode-variadic?
opcode-class opcode-code opcode-data opcode-variadic?
macro-procedure macro-env macro-source
procedure-code procedure-vars procedure-name procedure-name-set!
bytecode-name bytecode-literals bytecode-source