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Implement proper exception type hierarchy.

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Each built-in exception is now a type, with base type BaseException.
C exceptions are created by passing a pointer to the exception type to
make an instance of.  When raising an exception from the VM, an
instance is created automatically if an exception type is raised (as
opposed to an exception instance).

Exception matching (RT_BINARY_OP_EXCEPTION_MATCH) is now proper.

Handling of parse error changed to match new exceptions.

mp_const_type renamed to mp_type_type for consistency.
This commit is contained in:
Damien George
2014-02-15 16:10:44 +00:00
parent a71c83a1d1
commit c5966128c7
64 changed files with 473 additions and 347 deletions
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22
py/objfun.c
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@@ -20,23 +20,23 @@
STATIC void check_nargs(mp_obj_fun_native_t *self, int n_args, int n_kw) {
if (n_kw && !self->is_kw) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError,
nlr_jump(mp_obj_new_exception_msg(&mp_type_TypeError,
"function does not take keyword arguments"));
}
if (self->n_args_min == self->n_args_max) {
if (n_args != self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError,
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
"function takes %d positional arguments but %d were given",
self->n_args_min, n_args));
}
} else {
if (n_args < self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError,
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
"<fun name>() missing %d required positional arguments: <list of names of params>",
self->n_args_min - n_args));
} else if (n_args > self->n_args_max) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError,
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
"<fun name> expected at most %d arguments, got %d",
self->n_args_max, n_args));
}
@@ -89,7 +89,7 @@ STATIC mp_obj_t fun_native_call(mp_obj_t self_in, uint n_args, uint n_kw, const
}
const mp_obj_type_t fun_native_type = {
{ &mp_const_type },
{ &mp_type_type },
.name = MP_QSTR_function,
.call = fun_native_call,
};
@@ -143,10 +143,10 @@ STATIC mp_obj_t fun_bc_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_o
mp_obj_fun_bc_t *self = self_in;
if (n_args < self->n_args - self->n_def_args || n_args > self->n_args) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "function takes %d positional arguments but %d were given", self->n_args, n_args));
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "function takes %d positional arguments but %d were given", self->n_args, n_args));
}
if (n_kw != 0) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "function does not take keyword arguments"));
nlr_jump(mp_obj_new_exception_msg(&mp_type_TypeError, "function does not take keyword arguments"));
}
uint use_def_args = self->n_args - n_args;
@@ -159,7 +159,7 @@ STATIC mp_obj_t fun_bc_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_o
}
const mp_obj_type_t fun_bc_type = {
{ &mp_const_type },
{ &mp_type_type },
.name = MP_QSTR_function,
.call = fun_bc_call,
};
@@ -252,10 +252,10 @@ STATIC mp_obj_t fun_asm_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_
mp_obj_fun_asm_t *self = self_in;
if (n_args != self->n_args) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "function takes %d positional arguments but %d were given", self->n_args, n_args));
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "function takes %d positional arguments but %d were given", self->n_args, n_args));
}
if (n_kw != 0) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "function does not take keyword arguments"));
nlr_jump(mp_obj_new_exception_msg(&mp_type_TypeError, "function does not take keyword arguments"));
}
machine_uint_t ret;
@@ -276,7 +276,7 @@ STATIC mp_obj_t fun_asm_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_
}
STATIC const mp_obj_type_t fun_asm_type = {
{ &mp_const_type },
{ &mp_type_type },
.name = MP_QSTR_function,
.call = fun_asm_call,
};