Exemple #1
0
DLLEXPORT char *jl_bytestring_ptr(jl_value_t *s)
{
    return jl_string_data(s);
}
Exemple #2
0
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl)
{
    if (jl_is_symbol(e)) {
        jl_value_t *v;
        size_t i;
        for(i=0; i < nl; i++) {
            if (locals[i*2] == e) {
                v = locals[i*2+1];
                break;
            }
        }
        if (i >= nl) {
            v = jl_get_global(jl_current_module, (jl_sym_t*)e);
        }
        if (v == NULL) {
            jl_errorf("%s not defined", ((jl_sym_t*)e)->name);
        }
        return v;
    }
    if (jl_is_symbolnode(e)) {
        return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl);
    }
    if (jl_is_quotenode(e)) {
        return jl_fieldref(e,0);
    }
    if (jl_is_topnode(e)) {
        jl_sym_t *s = (jl_sym_t*)jl_fieldref(e,0);
        jl_value_t *v = jl_get_global(jl_base_relative_to(jl_current_module),s);
        if (v == NULL)
            jl_errorf("%s not defined", s->name);
        return v;
    }
    if (!jl_is_expr(e)) {
        if (jl_is_getfieldnode(e)) {
            jl_value_t *v = eval(jl_getfieldnode_val(e), locals, nl);
            jl_value_t *gfargs[2] = {v, (jl_value_t*)jl_getfieldnode_name(e)};
            return jl_f_get_field(NULL, gfargs, 2);
        }
        if (jl_is_lambda_info(e)) {
            return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_null,
                                               (jl_lambda_info_t*)e);
        }
        if (jl_is_linenode(e)) {
            jl_lineno = jl_linenode_line(e);
        }
        if (jl_is_newvarnode(e)) {
            jl_value_t *var = jl_fieldref(e,0);
            assert(jl_is_symbol(var));
            for(size_t i=0; i < nl; i++) {
                if (locals[i*2] == var) {
                    locals[i*2+1] = NULL;
                    break;
                }
            }
            return (jl_value_t*)jl_nothing;
        }
        return e;
    }
    jl_expr_t *ex = (jl_expr_t*)e;
    jl_value_t **args = &jl_cellref(ex->args,0);
    size_t nargs = jl_array_len(ex->args);
    if (ex->head == call_sym ||  ex->head == call1_sym) {
        if (jl_is_lambda_info(args[0])) {
            // directly calling an inner function ("let")
            jl_lambda_info_t *li = (jl_lambda_info_t*)args[0];
            if (jl_is_expr(li->ast) && !jl_lam_vars_captured((jl_expr_t*)li->ast) &&
                !jl_has_intrinsics((jl_expr_t*)li->ast)) {
                size_t na = nargs-1;
                if (na == 0)
                    return jl_interpret_toplevel_thunk(li);
                jl_array_t *formals = jl_lam_args((jl_expr_t*)li->ast);
                size_t nreq = jl_array_len(formals);
                if (!jl_is_rest_arg(jl_cellref(formals,nreq-1))) {
                    jl_value_t **ar;
                    JL_GC_PUSHARGS(ar, na*2);
                    for(int i=0; i < na*2; i++) {
                        ar[i] = NULL;
                    }
                    for(int i=0; i < na; i++) {
                        ar[i*2+1] = eval(args[i+1], locals, nl);
                    }
                    if (na != nreq) {
                        jl_error("wrong number of arguments");
                    }
                    for(int i=0; i < na; i++) {
                        ar[i*2] = (jl_value_t*)jl_decl_var(jl_cellref(formals,i));
                    }
                    jl_value_t *ret = jl_interpret_toplevel_thunk_with(li, ar, na);
                    JL_GC_POP();
                    return ret;
                }
            }
        }
        jl_function_t *f = (jl_function_t*)eval(args[0], locals, nl);
        if (!jl_is_func(f))
            jl_type_error("apply", (jl_value_t*)jl_function_type,
                          (jl_value_t*)f);
        return do_call(f, &args[1], nargs-1, locals, nl);
    }
    else if (ex->head == assign_sym) {
        jl_value_t *sym = args[0];
        size_t i;
        for (i=0; i < nl; i++) {
            if (locals[i*2] == sym) {
                return (locals[i*2+1] = eval(args[1], locals, nl));
            }
        }
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym);
        jl_value_t *rhs = eval(args[1], locals, nl);
        jl_checked_assignment(b, rhs);
        return rhs;
    }
    else if (ex->head == new_sym) {
        jl_value_t *thetype = eval(args[0], locals, nl);
        jl_value_t *v=NULL;
        JL_GC_PUSH2(&thetype, &v);
        assert(jl_is_structtype(thetype));
        v = jl_new_struct_uninit((jl_datatype_t*)thetype);
        for(size_t i=1; i < nargs; i++) {
            jl_set_nth_field(v, i-1, eval(args[i], locals, nl));
        }
        JL_GC_POP();
        return v;
    }
    else if (ex->head == null_sym) {
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == body_sym) {
        return eval_body(ex->args, locals, nl, 0, 0);
    }
    else if (ex->head == exc_sym) {
        return jl_exception_in_transit;
    }
    else if (ex->head == static_typeof_sym) {
        return (jl_value_t*)jl_any_type;
    }
    else if (ex->head == method_sym) {
        jl_sym_t *fname = (jl_sym_t*)args[0];
        jl_value_t **bp=NULL;
        jl_binding_t *b=NULL;
        jl_value_t *gf=NULL;
        int kw=0;
        if (jl_is_expr(fname)) {
            if (((jl_expr_t*)fname)->head == kw_sym) {
                kw = 1;
                fname = (jl_sym_t*)jl_exprarg(fname, 0);
            }
            gf = eval((jl_value_t*)fname, locals, nl);
            assert(jl_is_function(gf));
            assert(jl_is_gf(gf));
            if (jl_is_expr(fname))
                fname = (jl_sym_t*)jl_fieldref(jl_exprarg(fname, 2), 0);
            if (!kw)
                bp = &gf;
            else
                bp = (jl_value_t**)&((jl_methtable_t*)((jl_function_t*)gf)->env)->kwsorter;
            assert(jl_is_symbol(fname));
        }
        else {
            for (size_t i=0; i < nl; i++) {
                if (locals[i*2] == (jl_value_t*)fname) {
                    bp = &locals[i*2+1];
                    break;
                }
            }
            if (bp == NULL) {
                b = jl_get_binding_for_method_def(jl_current_module, fname);
                bp = &b->value;
            }
        }
        jl_value_t *atypes=NULL, *meth=NULL, *tvars=NULL;
        JL_GC_PUSH3(&atypes, &meth, &tvars);
        atypes = eval(args[1], locals, nl);
        meth = eval(args[2], locals, nl);
        tvars = eval(args[3], locals, nl);
        jl_method_def(fname, bp, b, (jl_tuple_t*)atypes,
                      (jl_function_t*)meth, (jl_tuple_t*)tvars);
        JL_GC_POP();
        return *bp;
    }
    else if (ex->head == const_sym) {
        jl_value_t *sym = args[0];
        for (size_t i=0; i < nl; i++) {
            if (locals[i*2] == sym) {
                return (jl_value_t*)jl_nothing;
            }
        }
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)sym);
        jl_declare_constant(b);
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == global_sym) {
        // create uninitialized mutable binding for "global x" decl
        // TODO: handle type decls
        for (size_t i=0; i < jl_array_len(ex->args); i++) {
            assert(jl_is_symbol(args[i]));
            jl_get_binding_wr(jl_current_module, (jl_sym_t*)args[i]);
        }
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == abstracttype_sym) {
        jl_value_t *name = args[0];
        jl_value_t *para = eval(args[1], locals, nl);
        jl_value_t *super = NULL;
        JL_GC_PUSH2(&para, &super);
        jl_datatype_t *dt =
            jl_new_abstracttype(name, jl_any_type, (jl_tuple_t*)para);
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        jl_checked_assignment(b, (jl_value_t*)dt);
        super = eval(args[2], locals, nl);
        jl_set_datatype_super(dt, super);
        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == bitstype_sym) {
        jl_value_t *name = args[0];
        jl_value_t *super = NULL, *para = NULL, *vnb = NULL;
        JL_GC_PUSH3(&para, &super, &vnb);
        para = eval(args[1], locals, nl);
        vnb  = eval(args[2], locals, nl);
        if (!jl_is_long(vnb))
            jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name);
        int32_t nb = jl_unbox_long(vnb);
        if (nb < 1 || nb>=(1<<23) || (nb&7) != 0)
            jl_errorf("invalid number of bits in type %s",
                      ((jl_sym_t*)name)->name);
        jl_datatype_t *dt =
            jl_new_bitstype(name, jl_any_type, (jl_tuple_t*)para, nb);
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        jl_checked_assignment(b, (jl_value_t*)dt);
        super = eval(args[3], locals, nl);
        jl_set_datatype_super(dt, super);
        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == compositetype_sym) {
        void jl_add_constructors(jl_datatype_t *t);
        jl_value_t *name = args[0];
        jl_value_t *para = eval(args[1], locals, nl);
        jl_value_t *fnames = NULL;
        jl_value_t *super = NULL;
        jl_datatype_t *dt = NULL;
        JL_GC_PUSH4(&para, &super, &fnames, &dt);
        fnames = eval(args[2], locals, nl);
        dt = jl_new_datatype((jl_sym_t*)name, jl_any_type, (jl_tuple_t*)para,
                             (jl_tuple_t*)fnames, NULL,
                             0, args[6]==jl_true ? 1 : 0);
        dt->fptr = jl_f_ctor_trampoline;
        dt->ctor_factory = eval(args[3], locals, nl);
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        jl_checked_assignment(b, (jl_value_t*)dt);
        inside_typedef = 1;
        dt->types = (jl_tuple_t*)eval(args[5], locals, nl);
        inside_typedef = 0;
        jl_check_type_tuple(dt->types, dt->name->name, "type definition");
        super = eval(args[4], locals, nl);
        jl_set_datatype_super(dt, super);
        for(size_t i=0; i < jl_tuple_len(para); i++) {
            ((jl_tvar_t*)jl_tupleref(para,i))->bound = 0;
        }
        jl_compute_field_offsets(dt);
        jl_add_constructors(dt);
        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == macro_sym) {
        jl_sym_t *nm = (jl_sym_t*)args[0];
        assert(jl_is_symbol(nm));
        jl_function_t *f = (jl_function_t*)eval(args[1], locals, nl);
        assert(jl_is_function(f));
        if (jl_boot_file_loaded &&
            f->linfo && f->linfo->ast && jl_is_expr(f->linfo->ast)) {
            jl_lambda_info_t *li = f->linfo;
            li->ast = jl_compress_ast(li, li->ast);
            li->name = nm;
        }
        jl_set_global(jl_current_module, nm, (jl_value_t*)f);
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == line_sym) {
        jl_lineno = jl_unbox_long(jl_exprarg(ex,0));
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == module_sym) {
        return jl_eval_module_expr(ex);
    }
    else if (ex->head == error_sym || ex->head == jl_continue_sym) {
        if (jl_is_byte_string(args[0]))
            jl_errorf("syntax: %s", jl_string_data(args[0]));
        jl_throw(args[0]);
    }
    else if (ex->head == boundscheck_sym) {
        return (jl_value_t*)jl_nothing;
    }
    jl_errorf("unsupported or misplaced expression %s", ex->head->name);
    return (jl_value_t*)jl_nothing;
}
Exemple #3
0
// load from filename given as a ByteString object
DLLEXPORT jl_value_t *jl_load_(jl_value_t *str)
{
    return jl_load(jl_string_data(str));
}
Exemple #4
0
// `v` might be pointing to a field inlined in a structure therefore
// `jl_typeof(v)` may not be the same with `vt` and only `vt` should be
// used to determine the type of the value.
// This is necessary to make sure that this function doesn't allocate any
// memory through the Julia GC
static size_t jl_static_show_x_(JL_STREAM *out, jl_value_t *v, jl_datatype_t *vt,
                                struct recur_list *depth)
{
    size_t n = 0;
    if ((uintptr_t)vt < 4096U) {
        n += jl_printf(out, "<?#%p::%p>", (void*)v, (void*)vt);
    }
    else if ((uintptr_t)v < 4096U) {
        n += jl_printf(out, "<?#%p::", (void*)v);
        n += jl_static_show_x(out, (jl_value_t*)vt, depth);
        n += jl_printf(out, ">");
    }
    else if (vt == jl_method_type) {
        jl_method_t *m = (jl_method_t*)v;
        n += jl_static_show_x(out, (jl_value_t*)m->module, depth);
        n += jl_printf(out, ".%s(...)", jl_symbol_name(m->name));
    }
    else if (vt == jl_method_instance_type) {
        jl_method_instance_t *li = (jl_method_instance_t*)v;
        if (jl_is_method(li->def.method)) {
            jl_method_t *m = li->def.method;
            n += jl_static_show_x(out, (jl_value_t*)m->module, depth);
            if (li->specTypes) {
                n += jl_printf(out, ".");
                n += jl_show_svec(out, ((jl_datatype_t*)jl_unwrap_unionall(li->specTypes))->parameters,
                                  jl_symbol_name(m->name), "(", ")");
            }
            else {
                n += jl_printf(out, ".%s(?)", jl_symbol_name(m->name));
            }
        }
        else {
            n += jl_static_show_x(out, (jl_value_t*)li->def.module, depth);
            n += jl_printf(out, ".<toplevel thunk> -> ");
            n += jl_static_show_x(out, li->inferred, depth);
        }
    }
    else if (vt == jl_simplevector_type) {
        n += jl_show_svec(out, (jl_svec_t*)v, "svec", "(", ")");
    }
    else if (vt == jl_datatype_type) {
        jl_datatype_t *dv = (jl_datatype_t*)v;
        jl_sym_t *globname = dv->name->mt != NULL ? dv->name->mt->name : NULL;
        int globfunc = 0;
        if (globname && !strchr(jl_symbol_name(globname), '#') &&
            !strchr(jl_symbol_name(globname), '@') && dv->name->module &&
            jl_binding_resolved_p(dv->name->module, globname)) {
            jl_binding_t *b = jl_get_binding(dv->name->module, globname);
            if (b && jl_typeof(b->value) == v)
                globfunc = 1;
        }
        jl_sym_t *sym = globfunc ? globname : dv->name->name;
        char *sn = jl_symbol_name(sym);
        int hidden = !globfunc && strchr(sn, '#');
        size_t i = 0;
        int quote = 0;
        if (hidden) {
            n += jl_printf(out, "getfield(");
        }
        else if (globfunc) {
            n += jl_printf(out, "typeof(");
        }
        if (dv->name->module != jl_core_module || !jl_module_exports_p(jl_core_module, sym)) {
            n += jl_static_show_x(out, (jl_value_t*)dv->name->module, depth);
            if (!hidden) {
                n += jl_printf(out, ".");
                if (globfunc && !jl_id_start_char(u8_nextchar(sn, &i))) {
                    n += jl_printf(out, ":(");
                    quote = 1;
                }
            }
        }
        if (hidden) {
            n += jl_printf(out, ", Symbol(\"");
            n += jl_printf(out, "%s", sn);
            n += jl_printf(out, "\"))");
        }
        else {
            n += jl_printf(out, "%s", sn);
            if (globfunc) {
                n += jl_printf(out, ")");
                if (quote)
                    n += jl_printf(out, ")");
            }
        }
        if (dv->parameters && (jl_value_t*)dv != dv->name->wrapper &&
            (jl_has_free_typevars(v) ||
             (jl_value_t*)dv != (jl_value_t*)jl_tuple_type)) {
            size_t j, tlen = jl_nparams(dv);
            if (tlen > 0) {
                n += jl_printf(out, "{");
                for (j = 0; j < tlen; j++) {
                    jl_value_t *p = jl_tparam(dv,j);
                    n += jl_static_show_x(out, p, depth);
                    if (j != tlen-1)
                        n += jl_printf(out, ", ");
                }
                n += jl_printf(out, "}");
            }
            else if (dv->name == jl_tuple_typename) {
                n += jl_printf(out, "{}");
            }
        }
    }
    else if (vt == jl_intrinsic_type) {
        int f = *(uint32_t*)jl_data_ptr(v);
        n += jl_printf(out, "#<intrinsic #%d %s>", f, jl_intrinsic_name(f));
    }
    else if (vt == jl_int64_type) {
        n += jl_printf(out, "%" PRId64, *(int64_t*)v);
    }
    else if (vt == jl_int32_type) {
        n += jl_printf(out, "%" PRId32, *(int32_t*)v);
    }
    else if (vt == jl_int16_type) {
        n += jl_printf(out, "%" PRId16, *(int16_t*)v);
    }
    else if (vt == jl_int8_type) {
        n += jl_printf(out, "%" PRId8, *(int8_t*)v);
    }
    else if (vt == jl_uint64_type) {
        n += jl_printf(out, "0x%016" PRIx64, *(uint64_t*)v);
    }
    else if (vt == jl_uint32_type) {
        n += jl_printf(out, "0x%08" PRIx32, *(uint32_t*)v);
    }
    else if (vt == jl_uint16_type) {
        n += jl_printf(out, "0x%04" PRIx16, *(uint16_t*)v);
    }
    else if (vt == jl_uint8_type) {
        n += jl_printf(out, "0x%02" PRIx8, *(uint8_t*)v);
    }
    else if (jl_is_cpointer_type((jl_value_t*)vt)) {
#ifdef _P64
        n += jl_printf(out, "0x%016" PRIx64, *(uint64_t*)v);
#else
        n += jl_printf(out, "0x%08" PRIx32, *(uint32_t*)v);
#endif
    }
    else if (vt == jl_float32_type) {
        n += jl_printf(out, "%gf", *(float*)v);
    }
    else if (vt == jl_float64_type) {
        n += jl_printf(out, "%g", *(double*)v);
    }
    else if (vt == jl_bool_type) {
        n += jl_printf(out, "%s", *(uint8_t*)v ? "true" : "false");
    }
    else if ((jl_value_t*)vt == jl_typeof(jl_nothing)) {
        n += jl_printf(out, "nothing");
    }
    else if (vt == jl_string_type) {
        n += jl_printf(out, "\"");
        jl_uv_puts(out, jl_string_data(v), jl_string_len(v)); n += jl_string_len(v);
        n += jl_printf(out, "\"");
    }
    else if (v == jl_bottom_type) {
        n += jl_printf(out, "Union{}");
    }
    else if (vt == jl_uniontype_type) {
        n += jl_printf(out, "Union{");
        while (jl_is_uniontype(v)) {
            // tail-recurse on b to flatten the printing of the Union structure in the common case
            n += jl_static_show_x(out, ((jl_uniontype_t*)v)->a, depth);
            n += jl_printf(out, ", ");
            v = ((jl_uniontype_t*)v)->b;
        }
        n += jl_static_show_x(out, v, depth);
        n += jl_printf(out, "}");
    }
    else if (vt == jl_unionall_type) {
        jl_unionall_t *ua = (jl_unionall_t*)v;
        n += jl_static_show_x(out, ua->body, depth);
        n += jl_printf(out, " where ");
        n += jl_static_show_x(out, (jl_value_t*)ua->var, depth->prev);
    }
    else if (vt == jl_tvar_type) {
        // show type-var bounds only if they aren't going to be printed by UnionAll later
        jl_tvar_t *var = (jl_tvar_t*)v;
        struct recur_list *p;
        int showbounds = 1;
        for (p = depth; p != NULL; p = p->prev) {
            if (jl_is_unionall(p->v) && ((jl_unionall_t*)p->v)->var == var) {
                showbounds = 0;
                break;
            }
        }
        jl_value_t *lb = var->lb, *ub = var->ub;
        if (showbounds && lb != jl_bottom_type) {
            // show type-var lower bound if it is defined
            int ua = jl_is_unionall(lb);
            if (ua)
                n += jl_printf(out, "(");
            n += jl_static_show_x(out, lb, depth);
            if (ua)
                n += jl_printf(out, ")");
            n += jl_printf(out, "<:");
        }
        n += jl_printf(out, "%s", jl_symbol_name(var->name));
        if (showbounds && (ub != (jl_value_t*)jl_any_type || lb != jl_bottom_type)) {
            // show type-var upper bound if it is defined, or if we showed the lower bound
            int ua = jl_is_unionall(ub);
            n += jl_printf(out, "<:");
            if (ua)
                n += jl_printf(out, "(");
            n += jl_static_show_x(out, ub, depth);
            if (ua)
                n += jl_printf(out, ")");
        }
    }
    else if (vt == jl_module_type) {
        jl_module_t *m = (jl_module_t*)v;
        if (m->parent != m && m->parent != jl_main_module) {
            n += jl_static_show_x(out, (jl_value_t*)m->parent, depth);
            n += jl_printf(out, ".");
        }
        n += jl_printf(out, "%s", jl_symbol_name(m->name));
    }
    else if (vt == jl_sym_type) {
        char *sn = jl_symbol_name((jl_sym_t*)v);
        int quoted = !jl_is_identifier(sn) && jl_operator_precedence(sn) == 0;
        if (quoted)
            n += jl_printf(out, "Symbol(\"");
        else
            n += jl_printf(out, ":");
        n += jl_printf(out, "%s", sn);
        if (quoted)
            n += jl_printf(out, "\")");
    }
    else if (vt == jl_ssavalue_type) {
        n += jl_printf(out, "SSAValue(%" PRIuPTR ")",
                       (uintptr_t)((jl_ssavalue_t*)v)->id);
    }
    else if (vt == jl_globalref_type) {
        n += jl_static_show_x(out, (jl_value_t*)jl_globalref_mod(v), depth);
        n += jl_printf(out, ".%s", jl_symbol_name(jl_globalref_name(v)));
    }
    else if (vt == jl_labelnode_type) {
        n += jl_printf(out, "%" PRIuPTR ":", jl_labelnode_label(v));
    }
    else if (vt == jl_gotonode_type) {
        n += jl_printf(out, "goto %" PRIuPTR, jl_gotonode_label(v));
    }
    else if (vt == jl_quotenode_type) {
        jl_value_t *qv = *(jl_value_t**)v;
        if (!jl_is_symbol(qv)) {
            n += jl_printf(out, "quote ");
        }
        else {
            n += jl_printf(out, ":(");
        }
        n += jl_static_show_x(out, qv, depth);
        if (!jl_is_symbol(qv)) {
            n += jl_printf(out, " end");
        }
        else {
            n += jl_printf(out, ")");
        }
    }
    else if (vt == jl_newvarnode_type) {
        n += jl_printf(out, "<newvar ");
        n += jl_static_show_x(out, *(jl_value_t**)v, depth);
        n += jl_printf(out, ">");
    }
    else if (vt == jl_linenumbernode_type) {
        n += jl_printf(out, "#= ");
        n += jl_static_show_x(out, jl_linenode_file(v), depth);
        n += jl_printf(out, ":%" PRIuPTR " =#", jl_linenode_line(v));
    }
    else if (vt == jl_expr_type) {
        jl_expr_t *e = (jl_expr_t*)v;
        if (e->head == assign_sym && jl_array_len(e->args) == 2) {
            n += jl_static_show_x(out, jl_exprarg(e,0), depth);
            n += jl_printf(out, " = ");
            n += jl_static_show_x(out, jl_exprarg(e,1), depth);
        }
        else {
            char sep = ' ';
            if (e->head == body_sym)
                sep = '\n';
            n += jl_printf(out, "Expr(:%s", jl_symbol_name(e->head));
            size_t i, len = jl_array_len(e->args);
            for (i = 0; i < len; i++) {
                n += jl_printf(out, ",%c", sep);
                n += jl_static_show_x(out, jl_exprarg(e,i), depth);
            }
            n += jl_printf(out, ")::");
            n += jl_static_show_x(out, e->etype, depth);
        }
    }
    else if (jl_is_array_type(vt)) {
        n += jl_static_show_x(out, (jl_value_t*)vt, depth);
        n += jl_printf(out, "[");
        size_t j, tlen = jl_array_len(v);
        jl_array_t *av = (jl_array_t*)v;
        jl_datatype_t *el_type = (jl_datatype_t*)jl_tparam0(vt);
        int nlsep = 0;
        if (av->flags.ptrarray) {
            // print arrays with newlines, unless the elements are probably small
            for (j = 0; j < tlen; j++) {
                jl_value_t *p = jl_array_ptr_ref(av, j);
                if (p != NULL && (uintptr_t)p >= 4096U) {
                    jl_value_t *p_ty = jl_typeof(p);
                    if ((uintptr_t)p_ty >= 4096U) {
                        if (!jl_isbits(p_ty)) {
                            nlsep = 1;
                            break;
                        }
                    }
                }
            }
        }
        if (nlsep && tlen > 1)
            n += jl_printf(out, "\n  ");
        for (j = 0; j < tlen; j++) {
            if (av->flags.ptrarray) {
                n += jl_static_show_x(out, jl_array_ptr_ref(v, j), depth);
            }
            else {
                char *ptr = ((char*)av->data) + j * av->elsize;
                n += jl_static_show_x_(out, (jl_value_t*)ptr, el_type, depth);
            }
            if (j != tlen - 1)
                n += jl_printf(out, nlsep ? ",\n  " : ", ");
        }
        n += jl_printf(out, "]");
    }
    else if (vt == jl_loaderror_type) {
        n += jl_printf(out, "LoadError(at ");
        n += jl_static_show_x(out, *(jl_value_t**)v, depth);
        // Access the field directly to avoid allocation
        n += jl_printf(out, " line %" PRIdPTR, ((intptr_t*)v)[1]);
        n += jl_printf(out, ": ");
        n += jl_static_show_x(out, ((jl_value_t**)v)[2], depth);
        n += jl_printf(out, ")");
    }
    else if (vt == jl_errorexception_type) {
        n += jl_printf(out, "ErrorException(");
        n += jl_static_show_x(out, *(jl_value_t**)v, depth);
        n += jl_printf(out, ")");
    }
    else if (jl_is_datatype(vt)) {
        int istuple = jl_is_tuple_type(vt);
        if (!istuple)
            n += jl_static_show_x(out, (jl_value_t*)vt, depth);
        n += jl_printf(out, "(");
        size_t nb = jl_datatype_size(vt);
        size_t tlen = jl_datatype_nfields(vt);
        if (nb > 0 && tlen == 0) {
            uint8_t *data = (uint8_t*)v;
            n += jl_printf(out, "0x");
            for(int i = nb - 1; i >= 0; --i)
                n += jl_printf(out, "%02" PRIx8, data[i]);
        }
        else {
            size_t i = 0;
            if (vt == jl_typemap_entry_type)
                i = 1;
            for (; i < tlen; i++) {
                if (!istuple) {
                    n += jl_printf(out, "%s", jl_symbol_name(jl_field_name(vt, i)));
                    n += jl_printf(out, "=");
                }
                size_t offs = jl_field_offset(vt, i);
                char *fld_ptr = (char*)v + offs;
                if (jl_field_isptr(vt, i)) {
                    n += jl_static_show_x(out, *(jl_value_t**)fld_ptr, depth);
                }
                else {
                    n += jl_static_show_x_(out, (jl_value_t*)fld_ptr,
                                           (jl_datatype_t*)jl_field_type(vt, i),
                                           depth);
                }
                if (istuple && tlen == 1)
                    n += jl_printf(out, ",");
                else if (i != tlen - 1)
                    n += jl_printf(out, ", ");
            }
            if (vt == jl_typemap_entry_type) {
                n += jl_printf(out, ", next=↩︎\n  ");
                n += jl_static_show_x(out, jl_fieldref(v, 0), depth);
            }
        }
        n += jl_printf(out, ")");
    }
    else {
        n += jl_printf(out, "<?#%p::", (void*)v);
        n += jl_static_show_x(out, (jl_value_t*)vt, depth);
        n += jl_printf(out, ">");
    }
    return n;
}
Exemple #5
0
	template <> inline std::string unbox<std::string>(jl_value_t* val) { JULIACPP_ASSERT_NOMSG(jl_is_string(val)); return std::string(jl_string_data(val)); }
Exemple #6
0
// load from filename given as a ByteString object
DLLEXPORT void jl_load_(jl_value_t *str)
{
    jl_load(jl_string_data(str));
}
Exemple #7
0
// parse and eval a whole file, possibly reading from a string (`content`)
jl_value_t *jl_parse_eval_all(const char *fname,
                              const char *content, size_t contentlen)
{
    if (in_pure_callback)
        jl_error("cannot use include inside a generated function");
    jl_ast_context_t *ctx = jl_ast_ctx_enter();
    fl_context_t *fl_ctx = &ctx->fl;
    value_t f, ast;
    size_t len = strlen(fname);
    f = cvalue_static_cstrn(fl_ctx, fname, len);
    fl_gc_handle(fl_ctx, &f);
    if (content != NULL) {
        value_t t = cvalue_static_cstrn(fl_ctx, content, contentlen);
        fl_gc_handle(fl_ctx, &t);
        ast = fl_applyn(fl_ctx, 2, symbol_value(symbol(fl_ctx, "jl-parse-string-stream")), t, f);
        fl_free_gc_handles(fl_ctx, 1);
    }
    else {
        assert(memchr(fname, 0, len) == NULL); // was checked already in jl_load
        ast = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "jl-parse-file")), f);
    }
    fl_free_gc_handles(fl_ctx, 1);
    if (ast == fl_ctx->F) {
        jl_ast_ctx_leave(ctx);
        jl_errorf("could not open file %s", fname);
    }
    fl_gc_handle(fl_ctx, &ast);

    int last_lineno = jl_lineno;
    const char *last_filename = jl_filename;
    jl_lineno = 0;
    jl_filename = fname;
    jl_array_t *roots = NULL;
    jl_array_t **old_roots = ctx->roots;
    ctx->roots = &roots;
    jl_value_t *form=NULL, *result=jl_nothing;
    int err = 0;
    JL_GC_PUSH3(&roots, &form, &result);
    JL_TRY {
        assert(iscons(ast) && car_(ast) == symbol(fl_ctx,"toplevel"));
        ast = cdr_(ast);
        while (iscons(ast)) {
            value_t expansion = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "jl-expand-to-thunk")), car_(ast));
            form = scm_to_julia(fl_ctx, expansion, 0);
            jl_sym_t *head = NULL;
            if (jl_is_expr(form)) head = ((jl_expr_t*)form)->head;
            JL_SIGATOMIC_END();
            if (head == jl_incomplete_sym)
                jl_errorf("syntax: %s", jl_string_data(jl_exprarg(form,0)));
            else if (head == error_sym)
                jl_interpret_toplevel_expr(form);
            else if (head == line_sym)
                jl_lineno = jl_unbox_long(jl_exprarg(form,0));
            else if (jl_is_linenode(form))
                jl_lineno = jl_linenode_line(form);
            else
                result = jl_toplevel_eval_flex(form, 1, 1);
            JL_SIGATOMIC_BEGIN();
            ast = cdr_(ast);
        }
    }
    JL_CATCH {
        form = jl_pchar_to_string(fname, len);
        result = jl_box_long(jl_lineno);
        err = 1;
    }
    jl_lineno = last_lineno;
    jl_filename = last_filename;
    fl_free_gc_handles(fl_ctx, 1);
    ctx->roots = old_roots;
    jl_ast_ctx_leave(ctx);
    if (err) {
        if (jl_loaderror_type == NULL)
            jl_rethrow();
        else
            jl_rethrow_other(jl_new_struct(jl_loaderror_type, form, result,
                                           jl_exception_in_transit));
    }
    JL_GC_POP();
    return result;
}
Exemple #8
0
// --- parse :sym or (:sym, :lib) argument into address info ---
static native_sym_arg_t interpret_symbol_arg(jl_value_t *arg, jl_codectx_t *ctx, const char *fname)
{
    jl_value_t *ptr = NULL;
    Value *jl_ptr=NULL;

    ptr = static_eval(arg, ctx, true);
    if (ptr == NULL) {
        jl_value_t *ptr_ty = expr_type(arg, ctx);
        Value *arg1 = emit_unboxed(arg, ctx);
        if (!jl_is_cpointer_type(ptr_ty)) {
            emit_cpointercheck(arg1, 
                               !strcmp(fname,"ccall") ?
                               "ccall: first argument not a pointer or valid constant expression" :
                               "cglobal: first argument not a pointer or valid constant expression",
                               ctx);
        }
        jl_ptr = emit_unbox(T_size, T_psize, arg1);
    }

    void *fptr=NULL;
    char *f_name=NULL, *f_lib=NULL;
    if (ptr != NULL) {
        if (jl_is_tuple(ptr) && jl_tuple_len(ptr)==1) {
            ptr = jl_tupleref(ptr,0);
        }
        if (jl_is_symbol(ptr))
            f_name = ((jl_sym_t*)ptr)->name;
        else if (jl_is_byte_string(ptr))
            f_name = jl_string_data(ptr);
        if (f_name != NULL) {
            // just symbol, default to JuliaDLHandle
#ifdef _OS_WINDOWS_
            //TODO: store the f_lib name instead of fptr
            fptr = jl_dlsym_win32(f_name);
#else
            // will look in process symbol table
#endif
        }
        else if (jl_is_cpointer_type(jl_typeof(ptr))) {
            fptr = *(void**)jl_data_ptr(ptr);
        }
        else if (jl_is_tuple(ptr) && jl_tuple_len(ptr)>1) {
            jl_value_t *t0 = jl_tupleref(ptr,0);
            jl_value_t *t1 = jl_tupleref(ptr,1);
            if (jl_is_symbol(t0))
                f_name = ((jl_sym_t*)t0)->name;
            else if (jl_is_byte_string(t0))
                f_name = jl_string_data(t0);
            else
                JL_TYPECHKS(fname, symbol, t0);
            if (jl_is_symbol(t1))
                f_lib = ((jl_sym_t*)t1)->name;
            else if (jl_is_byte_string(t1))
                f_lib = jl_string_data(t1);
            else
                JL_TYPECHKS(fname, symbol, t1);
        }
        else {
            JL_TYPECHKS(fname, pointer, ptr);
        }
    }
    native_sym_arg_t r;
    r.jl_ptr = jl_ptr;
    r.fptr = fptr;
    r.f_name = f_name;
    r.f_lib = f_lib;
    return r;
}
Exemple #9
0
static uv_lib_t *jl_load_dynamic_library_(const char *modname, unsigned flags, int throw_err)
{
    int error;
    char *ext;
    char path[PATHBUF];
    int i;
    uv_stat_t stbuf;
    uv_lib_t *handle = (uv_lib_t*)malloc(sizeof(uv_lib_t));
    handle->errmsg = NULL;

/*
    this branch returns handle of libjulia
*/
    if (modname == NULL) {
#ifdef _OS_WINDOWS_
        if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
                                (LPCWSTR)(&jl_load_dynamic_library),
                                &handle->handle)) {
            free(handle);
            jl_error("could not load base module");
        }
#else
        handle->handle = dlopen(NULL,RTLD_NOW);
#endif
        goto done;
    }
/*
    this branch shortcuts absolute paths
*/
#ifdef _OS_WINDOWS_
    else if (modname[1] == ':') {
#else
    else if (modname[0] == '/') {
#endif
        error = jl_uv_dlopen(modname,handle,flags);
        if (!error)
            goto done;
        // bail out and show the error if file actually exists
        if (jl_stat(modname, (char*)&stbuf) == 0)
            goto notfound;
        if (handle->errmsg)
            uv_dlclose(handle);
    }
/*
    this branch permutes all base paths in DL_LOAD_PATH with all extensions
    note: skip when !jl_base_module to avoid UndefVarError(:DL_LOAD_PATH)
*/
    else if (jl_base_module != NULL) {
        jl_array_t *DL_LOAD_PATH = (jl_array_t*)jl_get_global(jl_base_module, jl_symbol("DL_LOAD_PATH"));
        if (DL_LOAD_PATH != NULL) {
            size_t j;
            for (j = 0; j < jl_array_len(DL_LOAD_PATH); j++) {
                char *dl_path = jl_string_data(jl_cell_data(DL_LOAD_PATH)[j]);
                size_t len = strlen(dl_path);
                if (len == 0)
                    continue;
                for(i=0; i < N_EXTENSIONS; i++) {
                    ext = extensions[i];
                    path[0] = '\0';
                    handle->handle = NULL;
                    if (dl_path[len-1] == PATHSEPSTRING[0])
                        snprintf(path, PATHBUF, "%s%s%s", dl_path, modname, ext);
                    else
                        snprintf(path, PATHBUF, "%s" PATHSEPSTRING "%s%s", dl_path, modname, ext);
                    // free handle->errmsg, else it will leak on next uv_dlopen
                    if (handle->errmsg)
                        uv_dlclose(handle);
                    error = jl_uv_dlopen(path, handle, flags);
                    if (!error)
                        goto done;
                    // bail out and show the error if file actually exists
                    if (jl_stat(path, (char*)&stbuf) == 0)
                        goto notfound;
                }
            }
        }
    }

    // now fall back and look in default library paths, for all extensions
    for(i=0; i < N_EXTENSIONS; i++) {
        ext = extensions[i];
        path[0] = '\0';
        handle->handle = NULL;
        snprintf(path, PATHBUF, "%s%s", modname, ext);
        if (handle->errmsg)
            uv_dlclose(handle);
        error = jl_uv_dlopen(path, handle, flags);
        if (!error)
            goto done;
    }

#if defined(__linux__) || defined(__FreeBSD__)
// check map of versioned libs from "libX" to full soname "libX.so.ver"
    {
        const char *soname = jl_lookup_soname(modname, strlen(modname));
        error = (soname==NULL) || jl_uv_dlopen(soname, handle, flags);
        if (!error)
            goto done;
    }
#endif

notfound:
    // copy the error message into the path buffer so we can free the lib handle
    path[0] = '\0';
    snprintf(path, PATHBUF, "%s", uv_dlerror(handle));
    uv_dlclose(handle);
    free(handle);
    if (throw_err)
        jl_errorf("could not load library \"%s\"\n%s", modname, path);
    return NULL;

done:
    return handle;
}

jl_uv_libhandle jl_load_dynamic_library_e(const char *modname, unsigned flags)
{
    return (jl_uv_libhandle) jl_load_dynamic_library_(modname, flags, 0);
}

jl_uv_libhandle jl_load_dynamic_library(const char *modname, unsigned flags)
{
    return (jl_uv_libhandle) jl_load_dynamic_library_(modname, flags, 1);
}

void *jl_dlsym_e(jl_uv_libhandle handle, const char *symbol)
{
    void *ptr;
    int error = uv_dlsym((uv_lib_t *) handle, symbol, &ptr);
    if (error) ptr=NULL;
    return ptr;
}