コード例 #1
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
// return a new lambda-info that has some extra static parameters merged in
JL_DLLEXPORT jl_lambda_info_t *jl_get_specialized(jl_method_t *m, jl_tupletype_t *types, jl_svec_t *sp)
{
    jl_lambda_info_t *linfo = m->lambda_template;
    jl_lambda_info_t *new_linfo;
    assert(jl_svec_len(linfo->sparam_syms) == jl_svec_len(sp) || sp == jl_emptysvec);

    if (!m->isstaged) {
        new_linfo = jl_copy_lambda(linfo);
        new_linfo->specTypes = types;
        new_linfo->def = m;
        new_linfo->sparam_vals = sp;

        if (jl_options.compile_enabled == JL_OPTIONS_COMPILE_OFF ||
                jl_options.compile_enabled == JL_OPTIONS_COMPILE_MIN) {
            // copy fptr from the template method definition
            new_linfo->fptr = linfo->fptr;
            new_linfo->jlcall_api = linfo->jlcall_api;
            if (jl_options.compile_enabled == JL_OPTIONS_COMPILE_OFF && new_linfo->fptr == NULL) {
                jl_printf(JL_STDERR,"code missing for ");
                jl_static_show(JL_STDERR, (jl_value_t*)new_linfo);
                jl_printf(JL_STDERR, "  sysimg may not have been built with --compile=all\n");
            }
        }
    }
    else {
        new_linfo = jl_instantiate_staged(m, types, sp);
    }
    return new_linfo;
}
コード例 #2
0
ファイル: interpreter.c プロジェクト: ArchRobison/julia
JL_DLLEXPORT jl_value_t *jl_interpret_toplevel_expr_in(jl_module_t *m,
                                                       jl_value_t *e,
                                                       jl_svec_t *local_syms,
                                                       jl_svec_t *local_vals)
{
    jl_value_t *v=NULL;
    jl_module_t *last_m = jl_current_module;
    jl_module_t *task_last_m = jl_current_task->current_module;
    size_t i, nl = jl_svec_len(local_syms);
    jl_value_t **locals = (jl_value_t**)alloca(sizeof(jl_value_t*) * 2 * nl);
    for (i = 0; i < nl; i++) {
        locals[2 * i] = jl_svecref(local_syms, i);
        locals[2 * i + 1] = jl_svec_len(local_vals) > 0 ? jl_svecref(local_vals, i) : NULL;
    }
    JL_TRY {
        jl_current_task->current_module = jl_current_module = m;
        v = eval(e, locals, nl, 0);
    }
    JL_CATCH {
        jl_current_module = last_m;
        jl_current_task->current_module = task_last_m;
        jl_rethrow();
    }
    jl_current_module = last_m;
    jl_current_task->current_module = task_last_m;
    assert(v);
    return v;
}
コード例 #3
0
ファイル: builtins.c プロジェクト: Evizero/julia
// The frequently used jl_egal function deserves special attention when it
// comes to performance which is made challenging by the fact that the
// function has to handle quite a few different cases and because it is
// called recursively.  To optimize performance many special cases are
// handle with separate comparisons which can dramatically reduce the run
// time of the function.  The compiler can translate these simple tests
// with little effort, e.g., few registers are used.
//
// The complex cases require more effort and more registers to be translated
// efficiently.  The effected cases include comparing tuples and fields.  If
// the code to perform these operation would be inlined in the jl_egal
// function then the compiler would generate at the or close to the top of
// the function a prologue which saves all the callee-save registers and at
// the end the respective epilogue.  The result is that even the fast cases
// are slowed down.
//
// The solution is to keep the code in jl_egal simple and split out the
// (more) complex cases into their own functions which are marked with
// NOINLINE.
static int NOINLINE compare_svec(jl_svec_t *a, jl_svec_t *b)
{
    size_t l = jl_svec_len(a);
    if (l != jl_svec_len(b))
        return 0;
    for(size_t i=0; i < l; i++) {
        if (!jl_egal(jl_svecref(a,i),jl_svecref(b,i)))
            return 0;
    }
    return 1;
}
コード例 #4
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
// invoke (compiling if necessary) the jlcall function pointer for a method template
STATIC_INLINE jl_value_t *jl_call_staged(jl_svec_t *sparam_vals, jl_lambda_info_t *meth,
                                         jl_value_t **args, uint32_t nargs)
{
    if (__unlikely(meth->fptr == NULL)) {
        jl_compile_linfo(meth);
        jl_generate_fptr(meth);
    }
    assert(jl_svec_len(meth->sparam_syms) == jl_svec_len(sparam_vals));
    if (__likely(meth->jlcall_api == 0))
        return meth->fptr(args[0], &args[1], nargs-1);
    else
        return ((jl_fptr_sparam_t)meth->fptr)(sparam_vals, args[0], &args[1], nargs-1);
}
コード例 #5
0
ファイル: interpreter.c プロジェクト: dpsanders/julia
// this is a heuristic for allowing "redefining" a type to something identical
static int equiv_svec_dt(jl_svec_t *sa, jl_svec_t *sb)
{
    size_t i, l = jl_svec_len(sa);
    if (l != jl_svec_len(sb)) return 0;
    for (i = 0; i < l; i++) {
        jl_value_t *a = jl_svecref(sa, i);
        jl_value_t *b = jl_svecref(sb, i);
        if (jl_typeof(a) != jl_typeof(b))
            return 0;
        if (jl_is_typevar(a) && ((jl_tvar_t*)a)->name != ((jl_tvar_t*)b)->name)
            return 0;
        if (!jl_subtype(a, b, 0) || !jl_subtype(b, a, 0))
            return 0;
    }
    return 1;
}
コード例 #6
0
ファイル: typemap.c プロジェクト: antonblanchard/julia
static jl_typemap_entry_t *jl_typemap_node_assoc_exact(jl_typemap_entry_t *ml, jl_value_t **args, size_t n)
{
    while (ml != (void*)jl_nothing) {
        size_t lensig = jl_datatype_nfields(ml->sig);
        if (lensig == n || (ml->va && lensig <= n+1)) {
            int ismatch;
            if (ml->simplesig != (void*)jl_nothing &&
                    !sig_match_simple(args, n, jl_svec_data(ml->simplesig->parameters), 0,
                        jl_datatype_nfields(ml->simplesig)))
                ismatch = 0;
            else if (ml->isleafsig)
                ismatch = sig_match_leaf(args, jl_svec_data(ml->sig->parameters), n);
            else if (ml->issimplesig)
                ismatch = sig_match_simple(args, n, jl_svec_data(ml->sig->parameters), ml->va, lensig);
            else
                ismatch = jl_tuple_subtype(args, n, ml->sig, 1);

            if (ismatch) {
                size_t i, l;
                for (i = 0, l = jl_svec_len(ml->guardsigs); i < l; i++) {
                    // checking guard entries require a more
                    // expensive subtype check, since guard entries added for ANY might be
                    // abstract. this fixed issue #12967.
                    if (jl_tuple_subtype(args, n, (jl_tupletype_t*)jl_svecref(ml->guardsigs, i), 1)) {
                        break;
                    }
                }
                if (i == l)
                    return ml;
            }
        }
        ml = ml->next;
    }
    return NULL;
}
コード例 #7
0
ファイル: typemap.c プロジェクト: nanqiangyipo/julia
jl_value_t *jl_lookup_match(jl_value_t *a, jl_value_t *b, jl_svec_t **penv,
                            jl_svec_t *tvars)
{
    jl_value_t *ti = jl_type_intersection_matching(a, b, penv, tvars);
    if (ti == (jl_value_t*)jl_bottom_type)
        return ti;
    JL_GC_PUSH1(&ti);
    assert(jl_is_svec(*penv));
    int l = jl_svec_len(*penv);
    for(int i=0; i < l; i++) {
        jl_value_t *val = jl_svecref(*penv,i);
        /*
          since "a" is a concrete type, we assume that
          (a∩b != Union{}) => a<:b. However if a static parameter is
          forced to equal Union{}, then part of "b" might become Union{},
          and therefore a subtype of "a". For example
          (Type{Union{}},Int) ∩ (Type{T},T)
          issue #5254
        */
        if (val == (jl_value_t*)jl_bottom_type) {
            if (!jl_subtype(a, ti, 0)) {
                JL_GC_POP();
                return (jl_value_t*)jl_bottom_type;
            }
        }
    }
    JL_GC_POP();
    return ti;
}
コード例 #8
0
ファイル: toplevel.c プロジェクト: ChenglongWang/julia
void jl_check_static_parameter_conflicts(jl_lambda_info_t *li, jl_svec_t *t, jl_sym_t *fname)
{
    jl_array_t *vinfo;
    size_t nvars;

    if (li->ast && jl_is_expr(li->ast)) {
        vinfo = jl_lam_vinfo((jl_expr_t*)li->ast);
        nvars = jl_array_len(vinfo);
        for(size_t i=0; i < jl_svec_len(t); i++) {
            for(size_t j=0; j < nvars; j++) {
                jl_value_t *tv = jl_svecref(t,i);
                if (jl_is_typevar(tv)) {
                    if ((jl_sym_t*)jl_cellref((jl_array_t*)jl_cellref(vinfo,j),0) ==
                        ((jl_tvar_t*)tv)->name) {
                        jl_printf(JL_STDERR,
                                  "WARNING: local variable %s conflicts with a static parameter in %s",
                                  ((jl_tvar_t*)tv)->name->name, fname->name);
                        print_func_loc(JL_STDERR, li);
                        jl_printf(JL_STDERR, ".\n");
                    }
                }
            }
        }
    }
}
コード例 #9
0
ファイル: precompile.c プロジェクト: andyferris/julia
// f(::Union{...}, ...) is a common pattern
// and expanding the Union may give a leaf function
static void _compile_all_union(jl_value_t *sig)
{
    jl_tupletype_t *sigbody = (jl_tupletype_t*)jl_unwrap_unionall(sig);
    size_t count_unions = 0;
    size_t i, l = jl_svec_len(sigbody->parameters);
    jl_svec_t *p = NULL;
    jl_value_t *methsig = NULL;

    for (i = 0; i < l; i++) {
        jl_value_t *ty = jl_svecref(sigbody->parameters, i);
        if (jl_is_uniontype(ty))
            ++count_unions;
        else if (ty == jl_bottom_type)
            return; // why does this method exist?
    }

    if (count_unions == 0) {
        _compile_all_tvar_union(sig);
        return;
    }

    int *idx = (int*)alloca(sizeof(int) * count_unions);
    for (i = 0; i < count_unions; i++) {
        idx[i] = 0;
    }

    JL_GC_PUSH2(&p, &methsig);
    int idx_ctr = 0, incr = 0;
    while (!incr) {
        jl_svec_t *p = jl_alloc_svec_uninit(l);
        for (i = 0, idx_ctr = 0, incr = 1; i < l; i++) {
            jl_value_t *ty = jl_svecref(sigbody->parameters, i);
            if (jl_is_uniontype(ty)) {
                size_t l = jl_count_union_components(ty);
                size_t j = idx[idx_ctr];
                jl_svecset(p, i, jl_nth_union_component(ty, j));
                ++j;
                if (incr) {
                    if (j == l) {
                        idx[idx_ctr] = 0;
                    }
                    else {
                        idx[idx_ctr] = j;
                        incr = 0;
                    }
                }
                ++idx_ctr;
            }
            else {
                jl_svecset(p, i, ty);
            }
        }
        methsig = (jl_value_t*)jl_apply_tuple_type(p);
        methsig = jl_rewrap_unionall(methsig, sig);
        _compile_all_tvar_union(methsig);
    }

    JL_GC_POP();
}
コード例 #10
0
ファイル: simplevector.c プロジェクト: ArchieCall/julia
JL_DLLEXPORT jl_svec_t *jl_svec_copy(jl_svec_t *a)
{
    size_t i, n=jl_svec_len(a);
    jl_svec_t *c = jl_alloc_svec_uninit(n);
    for(i=0; i < n; i++)
        jl_svecset(c, i, jl_svecref(a,i));
    return c;
}
コード例 #11
0
ファイル: alloc.c プロジェクト: pallmagnusson/julia
jl_uniontype_t *jl_new_uniontype(jl_svec_t *types)
{
    jl_uniontype_t *t = (jl_uniontype_t*)newobj((jl_value_t*)jl_uniontype_type,NWORDS(sizeof(jl_uniontype_t)));
    // don't make unions of 1 type; Union(T)==T
    assert(jl_svec_len(types) != 1);
    t->types = types;
    return t;
}
コード例 #12
0
ファイル: typemap.c プロジェクト: ararslan/julia
/*
  Method caches are divided into three parts: one for signatures where
  the first argument is a singleton kind (Type{Foo}), one indexed by the
  UID of the first argument's type in normal cases, and a fallback
  table of everything else.

  Note that the "primary key" is the type of the first *argument*, since
  there tends to be lots of variation there. The type of the 0th argument
  (the function) is always the same for most functions.
*/
static jl_typemap_entry_t *jl_typemap_assoc_by_type_(jl_typemap_entry_t *ml, jl_value_t *types,
                                                     jl_svec_t **penv, size_t world, size_t max_world_mask)
{
    jl_value_t *unw = jl_unwrap_unionall((jl_value_t*)types);
    int isua = jl_is_unionall(types);
    size_t n = jl_field_count(unw);
    int typesisva = n == 0 ? 0 : jl_is_vararg_type(jl_tparam(unw, n-1));
    for (; ml != (void*)jl_nothing; ml = ml->next) {
        if (world < ml->min_world || world > (ml->max_world | max_world_mask))
            continue; // ignore replaced methods
        size_t lensig = jl_field_count(jl_unwrap_unionall((jl_value_t*)ml->sig));
        if (lensig == n || (ml->va && lensig <= n+1)) {
            int resetenv = 0, ismatch = 1;
            if (ml->simplesig != (void*)jl_nothing && !isua) {
                size_t lensimplesig = jl_field_count(ml->simplesig);
                int isva = lensimplesig > 0 && jl_is_vararg_type(jl_tparam(ml->simplesig, lensimplesig - 1));
                if (lensig == n || (isva && lensimplesig <= n + 1))
                    ismatch = sig_match_by_type_simple(jl_svec_data(((jl_datatype_t*)types)->parameters), n,
                                                       ml->simplesig, lensimplesig, isva);
                else
                    ismatch = 0;
            }

            if (ismatch == 0)
                ; // nothing
            else if (ml->isleafsig && !typesisva && !isua)
                ismatch = sig_match_by_type_leaf(jl_svec_data(((jl_datatype_t*)types)->parameters),
                                                 ml->sig, lensig);
            else if (ml->issimplesig && !typesisva && !isua)
                ismatch = sig_match_by_type_simple(jl_svec_data(((jl_datatype_t*)types)->parameters), n,
                                                   ml->sig, lensig, ml->va);
            else {
                ismatch = jl_subtype_matching(types, (jl_value_t*)ml->sig, penv);
                if (ismatch && penv)
                    resetenv = 1;
            }

            if (ismatch) {
                size_t i, l;
                for (i = 0, l = jl_svec_len(ml->guardsigs); i < l; i++) {
                    // see corresponding code in jl_typemap_entry_assoc_exact
                    if (jl_subtype(types, jl_svecref(ml->guardsigs, i))) {
                        ismatch = 0;
                        break;
                    }
                }
                if (ismatch)
                    return ml;
            }
            if (resetenv)
                *penv = jl_emptysvec;
        }
    }
    return NULL;
}
コード例 #13
0
ファイル: toplevel.c プロジェクト: ChenglongWang/julia
static int svec_contains(jl_svec_t *svec, jl_value_t *x)
{
    assert(jl_is_svec(svec));
    size_t i, l=jl_svec_len(svec);
    for(i=0; i < l; i++) {
        jl_value_t *e = jl_svecref(svec, i);
        if (e==x || type_contains(e, x))
            return 1;
    }
    return 0;
}
コード例 #14
0
ファイル: builtins.c プロジェクト: Evizero/julia
static uintptr_t NOINLINE hash_svec(jl_svec_t *v)
{
    uintptr_t h = 0;
    size_t i, l = jl_svec_len(v);
    for (i = 0; i < l; i++) {
        jl_value_t *x = jl_svecref(v, i);
        uintptr_t u = (x == NULL) ? 0 : jl_object_id(x);
        h = bitmix(h, u);
    }
    return h;
}
コード例 #15
0
ファイル: precompile.c プロジェクト: andyferris/julia
static int tupletype_any_bottom(jl_value_t *sig)
{
    sig = jl_unwrap_unionall(sig);
    assert(jl_is_tuple_type(sig));
    jl_svec_t *types = ((jl_tupletype_t*)sig)->types;
    size_t i, l = jl_svec_len(types);
    for (i = 0; i < l; i++) {
        if (jl_svecref(types, i) == jl_bottom_type)
            return 1;
    }
    return 0;
}
コード例 #16
0
ファイル: alloc.c プロジェクト: pallmagnusson/julia
int jl_field_index(jl_datatype_t *t, jl_sym_t *fld, int err)
{
    jl_svec_t *fn = t->name->names;
    for(size_t i=0; i < jl_svec_len(fn); i++) {
        if (jl_svecref(fn,i) == (jl_value_t*)fld) {
            return (int)i;
        }
    }
    if (err)
        jl_errorf("type %s has no field %s", t->name->name->name, fld->name);
    return -1;
}
コード例 #17
0
ファイル: datatype.c プロジェクト: helgee/julia
JL_DLLEXPORT int jl_field_index(jl_datatype_t *t, jl_sym_t *fld, int err)
{
    jl_svec_t *fn = jl_field_names(t);
    for(size_t i=0; i < jl_svec_len(fn); i++) {
        if (jl_svecref(fn,i) == (jl_value_t*)fld) {
            return (int)i;
        }
    }
    if (err)
        jl_errorf("type %s has no field %s", jl_symbol_name(t->name->name),
                  jl_symbol_name(fld));
    return -1;
}
コード例 #18
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
JL_DLLEXPORT jl_value_t *jl_new_type_constructor(jl_svec_t *p, jl_value_t *body)
{
#ifndef NDEBUG
    size_t i, np = jl_svec_len(p);
    for (i = 0; i < np; i++) {
        jl_tvar_t *tv = (jl_tvar_t*)jl_svecref(p, i);
        assert(jl_is_typevar(tv) && !tv->bound);
    }
#endif
    jl_typector_t *tc = (jl_typector_t*)newobj((jl_value_t*)jl_typector_type, NWORDS(sizeof(jl_typector_t)));
    tc->parameters = p;
    tc->body = body;
    return (jl_value_t*)tc;
}
コード例 #19
0
ファイル: rtutils.c プロジェクト: MatthiasJReisinger/julia
static size_t jl_show_svec(JL_STREAM *out, jl_svec_t *t, const char *head, const char *opn, const char *cls)
{
    size_t i, n=0, len = jl_svec_len(t);
    n += jl_printf(out, "%s", head);
    n += jl_printf(out, "%s", opn);
    for (i = 0; i < len; i++) {
        jl_value_t *v = jl_svecref(t,i);
        n += jl_static_show(out, v);
        if (i != len-1)
            n += jl_printf(out, ", ");
    }
    n += jl_printf(out, "%s", cls);
    return n;
}
コード例 #20
0
ファイル: alloc.c プロジェクト: BrianSipple/julia
// return a new lambda-info that has some extra static parameters merged in
JL_DLLEXPORT jl_lambda_info_t *jl_get_specialized(jl_method_t *m, jl_tupletype_t *types, jl_svec_t *sp, int allow_exec)
{
    jl_lambda_info_t *linfo = m->lambda_template;
    jl_lambda_info_t *new_linfo;
    assert(jl_svec_len(linfo->sparam_syms) == jl_svec_len(sp) || sp == jl_emptysvec);

    if (!m->isstaged) {
        new_linfo = jl_copy_lambda(linfo);
        new_linfo->specTypes = types;
        new_linfo->def = m;
        new_linfo->sparam_vals = sp;
    }
    else if (!allow_exec) {
        new_linfo = jl_copy_lambda(linfo);
        new_linfo->specTypes = types;
        new_linfo->def = m;
        new_linfo->sparam_vals = sp;
        jl_set_lambda_code_null(new_linfo);
    }
    else {
        new_linfo = jl_instantiate_staged(m, types, sp);
    }
    return new_linfo;
}
コード例 #21
0
ファイル: alloc.c プロジェクト: BrianSipple/julia
JL_DLLEXPORT jl_value_t *jl_new_type_constructor(jl_svec_t *p, jl_value_t *body)
{
    jl_ptls_t ptls = jl_get_ptls_states();
#ifndef NDEBUG
    size_t i, np = jl_svec_len(p);
    for (i = 0; i < np; i++) {
        jl_tvar_t *tv = (jl_tvar_t*)jl_svecref(p, i);
        assert(jl_is_typevar(tv) && !tv->bound);
    }
#endif
    jl_typector_t *tc =
        (jl_typector_t*)jl_gc_alloc(ptls, sizeof(jl_typector_t),
                                    jl_typector_type);
    tc->parameters = p;
    tc->body = body;
    return (jl_value_t*)tc;
}
コード例 #22
0
ファイル: toplevel.c プロジェクト: ChenglongWang/julia
void jl_set_datatype_super(jl_datatype_t *tt, jl_value_t *super)
{
    if (!jl_is_datatype(super) || !jl_is_abstracttype(super) ||
        tt->name == ((jl_datatype_t*)super)->name ||
        jl_subtype(super,(jl_value_t*)jl_vararg_type,0) ||
        jl_is_tuple_type(super) ||
        jl_subtype(super,(jl_value_t*)jl_type_type,0)) {
        jl_errorf("invalid subtyping in definition of %s",tt->name->name->name);
    }
    tt->super = (jl_datatype_t*)super;
    jl_gc_wb(tt, tt->super);
    if (jl_svec_len(tt->parameters) > 0) {
        tt->name->cache = jl_emptysvec;
        tt->name->linearcache = jl_emptysvec;
        jl_reinstantiate_inner_types(tt);
    }
}
コード例 #23
0
ファイル: ccall.cpp プロジェクト: PeterDaveHello/julia
static Value *emit_cglobal(jl_value_t **args, size_t nargs, jl_codectx_t *ctx)
{
    JL_NARGS(cglobal, 1, 2);
    jl_value_t *rt=NULL;
    Value *res;
    JL_GC_PUSH1(&rt);

    if (nargs == 2) {
        JL_TRY {
            rt = jl_interpret_toplevel_expr_in(ctx->module, args[2],
                                               jl_svec_data(ctx->sp),
                                               jl_svec_len(ctx->sp)/2);
        }
        JL_CATCH {
            jl_rethrow_with_add("error interpreting cglobal type");
        }

        JL_TYPECHK(cglobal, type, rt);
        rt = (jl_value_t*)jl_apply_type((jl_value_t*)jl_pointer_type, jl_svec1(rt));
    }
コード例 #24
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
jl_method_t *jl_new_method(jl_lambda_info_t *definition, jl_sym_t *name, jl_tupletype_t *sig, jl_svec_t *tvars, int isstaged)
{
    assert(definition->code);
    jl_method_t *m = jl_new_method_uninit();
    m->isstaged = isstaged;
    m->name = name;
    m->sig = sig;
    if (jl_svec_len(tvars) == 1)
        tvars = (jl_svec_t*)jl_svecref(tvars, 0);
    m->tvars = tvars;
    m->ambig = jl_nothing;
    JL_GC_PUSH1(&m);
    // the front end may add this lambda to multiple methods; make a copy if so
    jl_method_t *oldm = definition->def;
    int reused = oldm != NULL;
    if (reused)
        definition = jl_copy_lambda(definition);

    definition->specTypes = isstaged ? jl_anytuple_type : sig;
    m->lambda_template = definition;
    jl_gc_wb(m, definition);
    definition->def = m;
    jl_gc_wb(definition, m);

    if (reused) {
        m->file = oldm->file;
        m->line = oldm->line;
        m->called = oldm->called;
    }
    else {
        jl_array_t *stmts = (jl_array_t*)definition->code;
        int i, l;
        for(i = 0, l = jl_array_len(stmts); i < l; i++) {
            jl_array_ptr_set(stmts, i, jl_resolve_globals(jl_array_ptr_ref(stmts, i), definition));
        }
        jl_method_init_properties(m);
    }
    JL_GC_POP();
    return m;
}
コード例 #25
0
ファイル: alloc.c プロジェクト: BrianSipple/julia
void jl_compute_field_offsets(jl_datatype_t *st)
{
    size_t sz = 0, alignm = 1;
    int homogeneous = 1;
    jl_value_t *lastty = NULL;

    uint64_t max_offset = (((uint64_t)1) << 32) - 1;
    uint64_t max_size = max_offset >> 1;

    uint32_t nfields = jl_svec_len(st->types);
    jl_fielddesc32_t* desc = (jl_fielddesc32_t*) alloca(nfields * sizeof(jl_fielddesc32_t));
    int haspadding = 0;
    assert(st->name == jl_tuple_typename ||
           st == jl_sym_type ||
           st == jl_simplevector_type ||
           nfields != 0);

    for (size_t i = 0; i < nfields; i++) {
        jl_value_t *ty = jl_field_type(st, i);
        size_t fsz, al;
        if (jl_isbits(ty) && jl_is_leaf_type(ty) && ((jl_datatype_t*)ty)->layout) {
            fsz = jl_datatype_size(ty);
            // Should never happen
            if (__unlikely(fsz > max_size))
                jl_throw(jl_overflow_exception);
            al = ((jl_datatype_t*)ty)->layout->alignment;
            desc[i].isptr = 0;
            if (((jl_datatype_t*)ty)->layout->haspadding)
                haspadding = 1;
        }
        else {
            fsz = sizeof(void*);
            if (fsz > MAX_ALIGN)
                fsz = MAX_ALIGN;
            al = fsz;
            desc[i].isptr = 1;
        }
        if (al != 0) {
            size_t alsz = LLT_ALIGN(sz, al);
            if (sz & (al - 1))
                haspadding = 1;
            sz = alsz;
            if (al > alignm)
                alignm = al;
        }
        homogeneous &= lastty==NULL || lastty==ty;
        lastty = ty;
        desc[i].offset = sz;
        desc[i].size = fsz;
        if (__unlikely(max_offset - sz < fsz))
            jl_throw(jl_overflow_exception);
        sz += fsz;
    }
    if (homogeneous && lastty!=NULL && jl_is_tuple_type(st)) {
        // Some tuples become LLVM vectors with stronger alignment than what was calculated above.
        unsigned al = jl_special_vector_alignment(nfields, lastty);
        assert(al % alignm == 0);
        if (al)
            alignm = al;
    }
    st->size = LLT_ALIGN(sz, alignm);
    if (st->size > sz)
        haspadding = 1;
    st->layout = jl_get_layout(nfields, alignm, haspadding, desc);
}
コード例 #26
0
ファイル: interpreter.c プロジェクト: Rory-Finnegan/julia
static jl_value_t *eval(jl_value_t *e, jl_value_t **locals, size_t nl, size_t ngensym)
{
    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_undefined_var_error((jl_sym_t*)e);
        }
        return v;
    }
    if (jl_is_symbolnode(e)) {
        return eval((jl_value_t*)jl_symbolnode_sym(e), locals, nl, ngensym);
    }
    if (jl_is_gensym(e)) {
        ssize_t genid = ((jl_gensym_t*)e)->id;
        if (genid >= ngensym || genid < 0)
            jl_error("access to invalid GenSym location");
        else
            return locals[nl*2 + genid];
    }
    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_undefined_var_error(s);
        return v;
    }
    if (!jl_is_expr(e)) {
        if (jl_is_globalref(e)) {
            jl_value_t *gfargs[2] = {(jl_value_t*)jl_globalref_mod(e), (jl_value_t*)jl_globalref_name(e)};
            return jl_f_get_field(NULL, gfargs, 2);
        }
        if (jl_is_lambda_info(e)) {
            jl_lambda_info_t *li = (jl_lambda_info_t*)e;
            if (jl_boot_file_loaded && li->ast && jl_is_expr(li->ast)) {
                li->ast = jl_compress_ast(li, li->ast);
                jl_gc_wb(li, li->ast);
            }
            return (jl_value_t*)jl_new_closure(NULL, (jl_value_t*)jl_emptysvec, li);
        }
        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_gensym(var));
            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_value_t**)jl_array_data(ex->args);
    size_t nargs = jl_array_len(ex->args);
    if (ex->head == call_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, (jl_expr_t*)li->ast, jl_current_module)) {
                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 (nreq==0 || !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; i++) {
                        ar[i*2+1] = eval(args[i+1], locals, nl, ngensym);
                        jl_gc_wb(ex->args, ar[i*2+1]);
                    }
                    if (na != nreq) {
                        jl_error("wrong number of arguments");
                    }
                    for(int i=0; i < na; i++) {
                        jl_value_t *v = jl_cellref(formals, i);
                        ar[i*2] = (jl_is_gensym(v)) ? v : (jl_value_t*)jl_decl_var(v);
                    }
                    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, ngensym);
        if (jl_is_func(f))
            return do_call(f, &args[1], nargs-1, NULL, locals, nl, ngensym);
        else
            return do_call(jl_module_call_func(jl_current_module), args, nargs, (jl_value_t*)f, locals, nl, ngensym);
    }
    else if (ex->head == assign_sym) {
        jl_value_t *sym = args[0];
        jl_value_t *rhs = eval(args[1], locals, nl, ngensym);
        if (jl_is_gensym(sym)) {
            ssize_t genid = ((jl_gensym_t*)sym)->id;
            if (genid >= ngensym || genid < 0)
                jl_error("assignment to invalid GenSym location");
            locals[nl*2 + genid] = rhs;
            return rhs;
        }
        if (jl_is_symbol(sym)) {
            size_t i;
            for (i=0; i < nl; i++) {
                if (locals[i*2] == sym) {
                    locals[i*2+1] = rhs;
                    return rhs;
                }
            }
        }
        jl_module_t *m = jl_current_module;
        if (jl_is_globalref(sym)) {
            m = jl_globalref_mod(sym);
            sym = (jl_value_t*)jl_globalref_name(sym);
        }
        assert(jl_is_symbol(sym));
        JL_GC_PUSH1(&rhs);
        jl_binding_t *b = jl_get_binding_wr(m, (jl_sym_t*)sym);
        jl_checked_assignment(b, rhs);
        JL_GC_POP();
        return rhs;
    }
    else if (ex->head == new_sym) {
        jl_value_t *thetype = eval(args[0], locals, nl, ngensym);
        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, ngensym));
        }
        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, ngensym, 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_value_t *bp_owner=NULL;
        jl_binding_t *b=NULL;
        jl_value_t *gf=NULL;
        int kw=0;
        if (jl_is_expr(fname) || jl_is_globalref(fname)) {
            if (jl_is_expr(fname) && ((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, ngensym);
            if (jl_is_expr(fname))
                fname = (jl_sym_t*)jl_fieldref(jl_exprarg(fname, 2), 0);
            bp = &gf;
            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;
                bp_owner = (jl_value_t*)jl_current_module;
            }
        }
        if (jl_expr_nargs(ex) == 1)
            return jl_generic_function_def(fname, bp, bp_owner, b);
        jl_value_t *atypes=NULL, *meth=NULL;
        JL_GC_PUSH2(&atypes, &meth);
        atypes = eval(args[1], locals, nl, ngensym);
        if (jl_is_lambda_info(args[2])) {
            jl_check_static_parameter_conflicts((jl_lambda_info_t*)args[2], (jl_svec_t*)jl_svecref(atypes,1), fname);
        }
        meth = eval(args[2], locals, nl, ngensym);
        jl_method_def(fname, bp, bp_owner, b, (jl_svec_t*)atypes, (jl_function_t*)meth, args[3], NULL, kw);
        JL_GC_POP();
        return *bp;
    }
    else if (ex->head == copyast_sym) {
        return jl_copy_ast(eval(args[0], locals, nl, ngensym));
    }
    else if (ex->head == const_sym) {
        jl_value_t *sym = args[0];
        assert(jl_is_symbol(sym));
        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, ngensym);
        jl_value_t *super = NULL;
        jl_value_t *temp = NULL;
        jl_datatype_t *dt = NULL;
        JL_GC_PUSH4(&para, &super, &temp, &dt);
        assert(jl_is_svec(para));
        assert(jl_is_symbol(name));
        dt = jl_new_abstracttype(name, jl_any_type, (jl_svec_t*)para);
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        temp = b->value;
        check_can_assign_type(b);
        b->value = (jl_value_t*)dt;
        jl_gc_wb_binding(b, dt);
        super = eval(args[2], locals, nl, ngensym);
        jl_set_datatype_super(dt, super);
        b->value = temp;
        if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
            jl_checked_assignment(b, (jl_value_t*)dt);
        }
        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, *temp = NULL;
        jl_datatype_t *dt = NULL;
        JL_GC_PUSH4(&para, &super, &temp, &dt);
        assert(jl_is_symbol(name));
        para = eval(args[1], locals, nl, ngensym);
        assert(jl_is_svec(para));
        vnb  = eval(args[2], locals, nl, ngensym);
        if (!jl_is_long(vnb))
            jl_errorf("invalid declaration of bits type %s", ((jl_sym_t*)name)->name);
        ssize_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);
        dt = jl_new_bitstype(name, jl_any_type, (jl_svec_t*)para, nb);
        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        temp = b->value;
        check_can_assign_type(b);
        b->value = (jl_value_t*)dt;
        jl_gc_wb_binding(b, dt);
        super = eval(args[3], locals, nl, ngensym);
        jl_set_datatype_super(dt, super);
        b->value = temp;
        if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
            jl_checked_assignment(b, (jl_value_t*)dt);
        }
        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == compositetype_sym) {
        jl_value_t *name = args[0];
        assert(jl_is_symbol(name));
        jl_value_t *para = eval(args[1], locals, nl, ngensym);
        assert(jl_is_svec(para));
        jl_value_t *temp = NULL;
        jl_value_t *super = NULL;
        jl_datatype_t *dt = NULL;
        JL_GC_PUSH4(&para, &super, &temp, &dt);
        temp = eval(args[2], locals, nl, ngensym);  // field names
        dt = jl_new_datatype((jl_sym_t*)name, jl_any_type, (jl_svec_t*)para,
                             (jl_svec_t*)temp, NULL,
                             0, args[5]==jl_true ? 1 : 0, jl_unbox_long(args[6]));

        jl_binding_t *b = jl_get_binding_wr(jl_current_module, (jl_sym_t*)name);
        temp = b->value;  // save old value
        // temporarily assign so binding is available for field types
        check_can_assign_type(b);
        b->value = (jl_value_t*)dt;
        jl_gc_wb_binding(b,dt);

        JL_TRY {
            // operations that can fail
            inside_typedef = 1;
            dt->types = (jl_svec_t*)eval(args[4], locals, nl, ngensym);
            jl_gc_wb(dt, dt->types);
            inside_typedef = 0;
            for(size_t i=0; i < jl_svec_len(dt->types); i++) {
                jl_value_t *elt = jl_svecref(dt->types, i);
                if (!jl_is_type(elt) && !jl_is_typevar(elt))
                    jl_type_error_rt(dt->name->name->name, "type definition", (jl_value_t*)jl_type_type, elt);
            }
            super = eval(args[3], locals, nl, ngensym);
            jl_set_datatype_super(dt, super);
        }
        JL_CATCH {
            b->value = temp;
            jl_rethrow();
        }
        for(size_t i=0; i < jl_svec_len(para); i++) {
            ((jl_tvar_t*)jl_svecref(para,i))->bound = 0;
        }
        jl_compute_field_offsets(dt);
        if (para == (jl_value_t*)jl_emptysvec && jl_is_datatype_singleton(dt)) {
            dt->instance = newstruct(dt);
            jl_gc_wb(dt, dt->instance);
        }

        b->value = temp;
        if (temp==NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
            jl_checked_assignment(b, (jl_value_t*)dt);
        }
        else {
            // TODO: remove all old ctors and set temp->name->ctor_factory = dt->name->ctor_factory
        }

        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
コード例 #27
0
ファイル: typemap.c プロジェクト: nanqiangyipo/julia
jl_typemap_entry_t *jl_typemap_entry_assoc_exact(jl_typemap_entry_t *ml, jl_value_t **args, size_t n)
{
    // some manually-unrolled common special cases
    while (ml->simplesig == (void*)jl_nothing && ml->guardsigs == jl_emptysvec && ml->isleafsig) {
        // use a tight loop for a long as possible
        if (n == jl_field_count(ml->sig) && jl_typeof(args[0]) == jl_tparam(ml->sig, 0)) {
            if (n == 1)
                return ml;
            if (n == 2) {
                if (jl_typeof(args[1]) == jl_tparam(ml->sig, 1))
                    return ml;
            }
            else if (n == 3) {
                if (jl_typeof(args[1]) == jl_tparam(ml->sig, 1) &&
                    jl_typeof(args[2]) == jl_tparam(ml->sig, 2))
                    return ml;
            }
            else {
                if (sig_match_leaf(args, jl_svec_data(ml->sig->parameters), n))
                    return ml;
            }
        }
        ml = ml->next;
        if (ml == (void*)jl_nothing)
            return NULL;
    }

    while (ml != (void*)jl_nothing) {
        size_t lensig = jl_field_count(ml->sig);
        if (lensig == n || (ml->va && lensig <= n+1)) {
            if (ml->simplesig != (void*)jl_nothing) {
                size_t lensimplesig = jl_field_count(ml->simplesig);
                int isva = lensimplesig > 0 && jl_is_vararg_type(jl_tparam(ml->simplesig, lensimplesig - 1));
                if (lensig == n || (isva && lensimplesig <= n + 1)) {
                    if (!sig_match_simple(args, n, jl_svec_data(ml->simplesig->parameters), isva, lensimplesig))
                        goto nomatch;
                }
                else {
                    goto nomatch;
                }
            }

            if (ml->isleafsig) {
                if (!sig_match_leaf(args, jl_svec_data(ml->sig->parameters), n))
                    goto nomatch;
            }
            else if (ml->issimplesig) {
                if (!sig_match_simple(args, n, jl_svec_data(ml->sig->parameters), ml->va, lensig))
                    goto nomatch;
            }
            else {
                if (!jl_tuple_subtype(args, n, ml->sig, 1))
                    goto nomatch;
            }

            size_t i, l;
            if (ml->guardsigs != jl_emptysvec) {
                for (i = 0, l = jl_svec_len(ml->guardsigs); i < l; i++) {
                    // checking guard entries require a more
                    // expensive subtype check, since guard entries added for ANY might be
                    // abstract. this fixed issue #12967.
                    if (jl_tuple_subtype(args, n, (jl_tupletype_t*)jl_svecref(ml->guardsigs, i), 1)) {
                        goto nomatch;
                    }
                }
            }
            return ml;
        }
nomatch:
        ml = ml->next;
    }
    return NULL;
}
コード例 #28
0
ファイル: interpreter.c プロジェクト: dpsanders/julia
static jl_value_t *eval(jl_value_t *e, interpreter_state *s)
{
    jl_ptls_t ptls = jl_get_ptls_states();
    jl_code_info_t *src = s==NULL ? NULL : s->src;
    if (jl_is_ssavalue(e)) {
        ssize_t id = ((jl_ssavalue_t*)e)->id;
        if (id >= jl_source_nssavalues(src) || id < 0 || s->locals == NULL)
            jl_error("access to invalid SSAValue");
        else
            return s->locals[jl_source_nslots(src) + id];
    }
    if (jl_is_slot(e)) {
        ssize_t n = jl_slot_number(e);
        if (n > jl_source_nslots(src) || n < 1 || s->locals == NULL)
            jl_error("access to invalid slot number");
        jl_value_t *v = s->locals[n-1];
        if (v == NULL)
            jl_undefined_var_error((jl_sym_t*)jl_array_ptr_ref(src->slotnames, n - 1));
        return v;
    }
    if (jl_is_globalref(e)) {
        jl_sym_t *s = jl_globalref_name(e);
        jl_value_t *v = jl_get_global(jl_globalref_mod(e), s);
        if (v == NULL)
            jl_undefined_var_error(s);
        return v;
    }
    if (jl_is_quotenode(e))
        return jl_fieldref(e,0);
    jl_module_t *modu = (s == NULL ? ptls->current_module : s->module);
    if (jl_is_symbol(e)) {  // bare symbols appear in toplevel exprs not wrapped in `thunk`
        jl_value_t *v = jl_get_global(modu, (jl_sym_t*)e);
        if (v == NULL)
            jl_undefined_var_error((jl_sym_t*)e);
        return v;
    }
    if (!jl_is_expr(e))
        return e;
    jl_expr_t *ex = (jl_expr_t*)e;
    jl_value_t **args = (jl_value_t**)jl_array_data(ex->args);
    size_t nargs = jl_array_len(ex->args);
    if (ex->head == call_sym) {
        return do_call(args, nargs, s);
    }
    else if (ex->head == invoke_sym) {
        return do_invoke(args, nargs, s);
    }
    else if (ex->head == new_sym) {
        jl_value_t *thetype = eval(args[0], s);
        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], s));
        }
        JL_GC_POP();
        return v;
    }
    else if (ex->head == static_parameter_sym) {
        ssize_t n = jl_unbox_long(args[0]);
        assert(n > 0);
        if (s->sparam_vals && n <= jl_svec_len(s->sparam_vals)) {
            jl_value_t *sp = jl_svecref(s->sparam_vals, n - 1);
            if (!jl_is_typevar(sp))
                return sp;
        }
        // static parameter val unknown needs to be an error for ccall
        jl_error("could not determine static parameter value");
    }
    else if (ex->head == inert_sym) {
        return args[0];
    }
    else if (ex->head == copyast_sym) {
        return jl_copy_ast(eval(args[0], s));
    }
    else if (ex->head == exc_sym) {
        return ptls->exception_in_transit;
    }
    else if (ex->head == method_sym) {
        jl_sym_t *fname = (jl_sym_t*)args[0];
        if (jl_is_globalref(fname)) {
            modu = jl_globalref_mod(fname);
            fname = jl_globalref_name(fname);
        }
        assert(jl_expr_nargs(ex) != 1 || jl_is_symbol(fname));

        if (jl_is_symbol(fname)) {
            jl_value_t **bp=NULL;
            jl_value_t *bp_owner=NULL;
            jl_binding_t *b=NULL;
            if (bp == NULL) {
                b = jl_get_binding_for_method_def(modu, fname);
                bp = &b->value;
                bp_owner = (jl_value_t*)modu;
            }
            jl_value_t *gf = jl_generic_function_def(fname, bp, bp_owner, b);
            if (jl_expr_nargs(ex) == 1)
                return gf;
        }

        jl_value_t *atypes=NULL, *meth=NULL;
        JL_GC_PUSH2(&atypes, &meth);
        atypes = eval(args[1], s);
        meth = eval(args[2], s);
        jl_method_def((jl_svec_t*)atypes, (jl_code_info_t*)meth, args[3]);
        JL_GC_POP();
        return jl_nothing;
    }
    else if (ex->head == const_sym) {
        jl_sym_t *sym = (jl_sym_t*)args[0];
        if (jl_is_globalref(sym)) {
            modu = jl_globalref_mod(sym);
            sym = jl_globalref_name(sym);
        }
        assert(jl_is_symbol(sym));
        jl_binding_t *b = jl_get_binding_wr(modu, 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
        size_t i, l = jl_array_len(ex->args);
        for (i = 0; i < l; i++) {
            jl_sym_t *gsym = (jl_sym_t*)args[i];
            jl_module_t *gmodu = modu;
            if (jl_is_globalref(gsym)) {
                gmodu = jl_globalref_mod(gsym);
                gsym = jl_globalref_name(gsym);
            }
            assert(jl_is_symbol(gsym));
            jl_get_binding_wr(gmodu, gsym);
        }
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == abstracttype_sym) {
        if (inside_typedef)
            jl_error("cannot eval a new abstract type definition while defining another type");
        jl_value_t *name = args[0];
        jl_value_t *para = eval(args[1], s);
        jl_value_t *super = NULL;
        jl_value_t *temp = NULL;
        jl_datatype_t *dt = NULL;
        JL_GC_PUSH4(&para, &super, &temp, &dt);
        assert(jl_is_svec(para));
        if (jl_is_globalref(name)) {
            modu = jl_globalref_mod(name);
            name = (jl_value_t*)jl_globalref_name(name);
        }
        assert(jl_is_symbol(name));
        dt = jl_new_abstracttype(name, NULL, (jl_svec_t*)para);
        jl_binding_t *b = jl_get_binding_wr(modu, (jl_sym_t*)name);
        temp = b->value;
        check_can_assign_type(b);
        b->value = (jl_value_t*)dt;
        jl_gc_wb_binding(b, dt);
        JL_TRY {
            inside_typedef = 1;
            super = eval(args[2], s);
            jl_set_datatype_super(dt, super);
            jl_reinstantiate_inner_types(dt);
        }
        JL_CATCH {
            jl_reset_instantiate_inner_types(dt);
            b->value = temp;
            jl_rethrow();
        }
        b->value = temp;
        if (temp == NULL || !equiv_type(dt, (jl_datatype_t*)temp)) {
            jl_checked_assignment(b, (jl_value_t*)dt);
        }
        JL_GC_POP();
        return (jl_value_t*)jl_nothing;
    }
    else if (ex->head == bitstype_sym) {
コード例 #29
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
JL_DLLEXPORT jl_datatype_t *jl_new_datatype(jl_sym_t *name, jl_datatype_t *super,
                                            jl_svec_t *parameters,
                                            jl_svec_t *fnames, jl_svec_t *ftypes,
                                            int abstract, int mutabl,
                                            int ninitialized)
{
    jl_datatype_t *t=NULL;
    jl_typename_t *tn=NULL;
    JL_GC_PUSH2(&t, &tn);

    if (!jl_boot_file_loaded && jl_is_symbol(name)) {
        // hack to avoid making two versions of basic types needed
        // during bootstrapping
        if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Int32"))
            t = jl_int32_type;
        else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Int64"))
            t = jl_int64_type;
        else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "Bool"))
            t = jl_bool_type;
        else if (!strcmp(jl_symbol_name((jl_sym_t*)name), "UInt8"))
            t = jl_uint8_type;
    }
    if (t == NULL)
        t = jl_new_uninitialized_datatype(jl_svec_len(fnames), 2); // TODO
    else
        tn = t->name;
    // init before possibly calling jl_new_typename
    t->super = super;
    if (super != NULL) jl_gc_wb(t, t->super);
    t->parameters = parameters;
    jl_gc_wb(t, t->parameters);
    t->types = ftypes;
    if (ftypes != NULL) jl_gc_wb(t, t->types);
    t->abstract = abstract;
    t->mutabl = mutabl;
    t->pointerfree = 0;
    t->ninitialized = ninitialized;
    t->instance = NULL;
    t->struct_decl = NULL;
    t->ditype = NULL;
    t->size = 0;
    t->alignment = 1;
    t->haspadding = 0;

    if (tn == NULL) {
        t->name = NULL;
        if (jl_is_typename(name)) {
            tn = (jl_typename_t*)name;
        }
        else {
            tn = jl_new_typename((jl_sym_t*)name);
            if (!abstract) {
                tn->mt = jl_new_method_table(name, jl_current_module);
                jl_gc_wb(tn, tn->mt);
            }
        }
        t->name = tn;
        jl_gc_wb(t, t->name);
    }
    t->name->names = fnames;
    jl_gc_wb(t->name, t->name->names);

    if (t->name->primary == NULL) {
        t->name->primary = (jl_value_t*)t;
        jl_gc_wb(t->name, t);
    }
    jl_precompute_memoized_dt(t);

    if (abstract || jl_svec_len(parameters) > 0) {
        t->uid = 0;
    }
    else {
        t->uid = jl_assign_type_uid();
        if (t->types != NULL)
            jl_compute_field_offsets(t);
    }
    JL_GC_POP();
    return t;
}
コード例 #30
0
ファイル: alloc.c プロジェクト: StefanKarpinski/julia
static jl_lambda_info_t *jl_instantiate_staged(jl_method_t *generator, jl_tupletype_t *tt, jl_svec_t *env)
{
    size_t i, l;
    jl_expr_t *ex = NULL;
    jl_value_t *linenum = NULL;
    jl_svec_t *sparam_vals = env;
    jl_lambda_info_t *func = generator->lambda_template;
    JL_GC_PUSH4(&ex, &linenum, &sparam_vals, &func);
    int last_in = in_pure_callback;
    assert(jl_svec_len(func->sparam_syms) == jl_svec_len(sparam_vals));
    JL_TRY {
        in_pure_callback = 1;
        ex = jl_exprn(lambda_sym, 2);

        int nargs = func->nargs;
        jl_array_t *argnames = jl_alloc_vec_any(nargs);
        jl_array_ptr_set(ex->args, 0, argnames);
        for (i = 0; i < nargs; i++)
            jl_array_ptr_set(argnames, i, jl_array_ptr_ref(func->slotnames, i));

        jl_expr_t *scopeblock = jl_exprn(jl_symbol("scope-block"), 1);
        jl_array_ptr_set(ex->args, 1, scopeblock);
        jl_expr_t *body = jl_exprn(jl_symbol("block"), 2);
        jl_array_ptr_set(((jl_expr_t*)jl_exprarg(ex,1))->args, 0, body);
        linenum = jl_box_long(generator->line);
        jl_value_t *linenode = jl_new_struct(jl_linenumbernode_type, linenum);
        jl_array_ptr_set(body->args, 0, linenode);

        // invoke code generator
        assert(jl_nparams(tt) == jl_array_len(argnames) ||
               (func->isva && (jl_nparams(tt) >= jl_array_len(argnames) - 1)));
        jl_array_ptr_set(body->args, 1,
                jl_call_staged(sparam_vals, func, jl_svec_data(tt->parameters), jl_nparams(tt)));

        if (func->sparam_syms != jl_emptysvec) {
            // mark this function as having the same static parameters as the generator
            size_t i, nsp = jl_svec_len(func->sparam_syms);
            jl_expr_t *newast = jl_exprn(jl_symbol("with-static-parameters"), nsp + 1);
            jl_exprarg(newast, 0) = (jl_value_t*)ex;
            // (with-static-parameters func_expr sp_1 sp_2 ...)
            for (i = 0; i < nsp; i++)
                jl_exprarg(newast, i+1) = jl_svecref(func->sparam_syms, i);
            ex = newast;
        }

        // need to eval macros in the right module, but not give a warning for the `eval` call unless that results in a call to `eval`
        func = (jl_lambda_info_t*)jl_toplevel_eval_in_warn(generator->module, (jl_value_t*)ex, 1);

        // finish marking this as a specialization of the generator
        func->isva = generator->lambda_template->isva;
        func->def = generator;
        jl_gc_wb(func, generator);
        func->sparam_vals = env;
        jl_gc_wb(func, env);
        func->specTypes = tt;
        jl_gc_wb(func, tt);

        jl_array_t *stmts = (jl_array_t*)func->code;
        for(i = 0, l = jl_array_len(stmts); i < l; i++) {
            jl_array_ptr_set(stmts, i, jl_resolve_globals(jl_array_ptr_ref(stmts, i), func));
        }
        in_pure_callback = last_in;
    }
    JL_CATCH {
        in_pure_callback = last_in;
        jl_rethrow();
    }
    JL_GC_POP();
    return func;
}