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c5966128c7
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.
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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typedef struct _mp_obj_bound_meth_t {
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mp_obj_base_t base;
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mp_obj_t meth;
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mp_obj_t self;
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} mp_obj_bound_meth_t;
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mp_obj_t bound_meth_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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mp_obj_bound_meth_t *self = self_in;
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// need to insert self->self before all other args and then call self->meth
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int n_total = n_args + 2 * n_kw;
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if (n_total <= 4) {
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// use stack to allocate temporary args array
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mp_obj_t args2[5];
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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return rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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} else {
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// use heap to allocate temporary args array
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mp_obj_t *args2 = m_new(mp_obj_t, 1 + n_total);
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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mp_obj_t res = rt_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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m_del(mp_obj_t, args2, 1 + n_total);
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return res;
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}
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}
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const mp_obj_type_t bound_meth_type = {
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{ &mp_type_type },
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.name = MP_QSTR_bound_method,
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.call = bound_meth_call,
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};
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mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self) {
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mp_obj_bound_meth_t *o = m_new_obj(mp_obj_bound_meth_t);
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o->base.type = &bound_meth_type;
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o->meth = meth;
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o->self = self;
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return o;
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}
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