VM: Refactor layouts/hpp to Factor style
parent
1eaddb0068
commit
0b5a12fdea
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@ -1,5 +1,4 @@
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namespace factor
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{
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namespace factor {
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typedef unsigned char u8;
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typedef unsigned short u16;
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@ -18,15 +17,9 @@ typedef signed long long s64;
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typedef unsigned long cell;
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#endif
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inline static cell align(cell a, cell b)
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{
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return (a + (b-1)) & ~(b-1);
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}
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inline static cell align(cell a, cell b) { return (a + (b - 1)) & ~(b - 1); }
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inline static cell alignment_for(cell a, cell b)
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{
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return align(a,b) - a;
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}
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inline static cell alignment_for(cell a, cell b) { return align(a, b) - a; }
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static const cell data_alignment = 16;
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@ -56,10 +49,8 @@ static const cell data_alignment = 16;
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#define TYPE_COUNT 14
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static inline const char *type_name(cell type)
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{
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switch (type)
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{
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static inline const char* type_name(cell type) {
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switch (type) {
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case FIXNUM_TYPE:
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return "fixnum";
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case F_TYPE:
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@ -94,16 +85,14 @@ static inline const char *type_name(cell type)
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}
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}
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enum code_block_type
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{
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enum code_block_type {
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code_block_unoptimized,
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code_block_optimized,
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code_block_pic
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};
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/* Constants used when floating-point trap exceptions are thrown */
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enum
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{
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enum {
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FP_TRAP_INVALID_OPERATION = 1 << 0,
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FP_TRAP_OVERFLOW = 1 << 1,
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FP_TRAP_UNDERFLOW = 1 << 2,
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@ -114,22 +103,19 @@ enum
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/* What Factor calls 'f' */
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static const cell false_object = F_TYPE;
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inline static bool immediate_p(cell obj)
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{
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inline static bool immediate_p(cell obj) {
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/* We assume that fixnums have tag 0 and false_object has tag 1 */
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return TAG(obj) <= F_TYPE;
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}
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inline static fixnum untag_fixnum(cell tagged)
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{
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inline static fixnum untag_fixnum(cell tagged) {
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#ifdef FACTOR_DEBUG
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FACTOR_ASSERT(TAG(tagged) == FIXNUM_TYPE);
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#endif
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return ((fixnum) tagged) >> TAG_BITS;
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}
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inline static cell tag_fixnum(fixnum untagged)
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{
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inline static cell tag_fixnum(fixnum untagged) {
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return (untagged << TAG_BITS) | FIXNUM_TYPE;
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}
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@ -151,45 +137,23 @@ struct object {
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/* Only valid for objects in tenured space; must cast to free_heap_block
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to do anything with it if its free */
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bool free_p() const
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{
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return (header & 1) == 1;
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}
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bool free_p() const { return (header & 1) == 1; }
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cell type() const
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{
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return (header >> 2) & TAG_MASK;
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}
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cell type() const { return (header >> 2) & TAG_MASK; }
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void initialize(cell type)
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{
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header = type << 2;
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}
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void initialize(cell type) { header = type << 2; }
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cell hashcode() const
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{
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return (header >> 6);
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}
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cell hashcode() const { return (header >> 6); }
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void set_hashcode(cell hashcode)
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{
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void set_hashcode(cell hashcode) {
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header = (header & 0x3f) | (hashcode << 6);
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}
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bool forwarding_pointer_p() const
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{
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return (header & 2) == 2;
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}
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bool forwarding_pointer_p() const { return (header & 2) == 2; }
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object *forwarding_pointer() const
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{
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return (object *)UNTAG(header);
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}
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object* forwarding_pointer() const { return (object*)UNTAG(header); }
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void forward_to(object *pointer)
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{
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header = ((cell)pointer | 2);
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}
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void forward_to(object* pointer) { header = ((cell) pointer | 2); }
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};
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/* Assembly code makes assumptions about the layout of this struct */
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@ -234,7 +198,9 @@ struct byte_array : public object {
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cell padding1;
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#endif
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template<typename Scalar> Scalar *data() const { return (Scalar *)(this + 1); }
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template <typename Scalar> Scalar* data() const {
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return (Scalar*)(this + 1);
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}
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};
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/* Assembly code makes assumptions about the layout of this struct */
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@ -269,9 +235,11 @@ struct word : public object {
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cell def;
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/* TAGGED property assoc for library code */
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cell props;
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/* TAGGED alternative entry point for direct non-tail calls. Used for inline caching */
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/* TAGGED alternative entry point for direct non-tail calls. Used for inline
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* caching */
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cell pic_def;
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/* TAGGED alternative entry point for direct tail calls. Used for inline caching */
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/* TAGGED alternative entry point for direct tail calls. Used for inline
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* caching */
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cell pic_tail_def;
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/* TAGGED machine code for sub-primitive */
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cell subprimitive;
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@ -332,8 +300,7 @@ struct alien : public object {
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/* untagged */
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cell address;
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void update_address()
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{
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void update_address() {
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if (base == false_object)
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address = displacement;
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else
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@ -354,13 +321,14 @@ struct callstack : public object {
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/* tagged */
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cell length;
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void *frame_top_at(cell offset) const
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{
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void* frame_top_at(cell offset) const {
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return (void*)((char*)(this + 1) + offset);
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}
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void* top() const { return (void*)(this + 1); }
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void *bottom() const { return (void *)((cell)(this + 1) + untag_fixnum(length)); }
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void* bottom() const {
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return (void*)((cell)(this + 1) + untag_fixnum(length));
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}
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};
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struct tuple : public object {
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@ -375,8 +343,8 @@ struct data_root_range {
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cell* start;
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cell len;
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explicit data_root_range(cell *start_, cell len_) :
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start(start_), len(len_) {}
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explicit data_root_range(cell* start_, cell len_)
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: start(start_), len(len_) {}
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};
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}
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