mirror of
https://github.com/golang/go
synced 2024-11-20 04:54:44 -07:00
move dereference code out of the ops and into the interpreter loops.
R=rsc DELTA=574 (40 added, 149 deleted, 385 changed) OCL=31017 CL=31019
This commit is contained in:
Rob Pike
parent
c701af8c80
commit
b1e64585b6
@ -122,6 +122,11 @@ func newEncState(b *bytes.Buffer) *EncState {
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return state;
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}
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func encAddrOf(state *EncState, instr *encInstr) unsafe.Pointer {
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p := unsafe.Pointer(state.base+instr.offset);
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return encIndirect(p, instr.indir);
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}
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// Test instruction execution for encoding.
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// Do not run the machine yet; instead do individual instructions crafted by hand.
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func TestScalarEncInstructions(t *testing.T) {
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@ -136,17 +141,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encBool, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(boolResult, b.Data()) {
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t.Errorf("bool enc instructions: expected % x got % x", boolResult, b.Data())
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}
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@ -162,17 +167,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encInt, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(signedResult, b.Data()) {
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t.Errorf("int enc instructions: expected % x got % x", signedResult, b.Data())
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}
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@ -188,17 +193,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encUint, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(unsignedResult, b.Data()) {
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t.Errorf("uint enc instructions: expected % x got % x", unsignedResult, b.Data())
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}
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@ -214,17 +219,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encInt, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(signedResult, b.Data()) {
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t.Errorf("int8 enc instructions: expected % x got % x", signedResult, b.Data())
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}
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@ -240,17 +245,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encUint, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(unsignedResult, b.Data()) {
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t.Errorf("uint8 enc instructions: expected % x got % x", unsignedResult, b.Data())
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}
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@ -266,17 +271,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encInt16, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(signedResult, b.Data()) {
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t.Errorf("int16 enc instructions: expected % x got % x", signedResult, b.Data())
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}
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@ -292,17 +297,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encUint16, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(unsignedResult, b.Data()) {
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t.Errorf("uint16 enc instructions: expected % x got % x", unsignedResult, b.Data())
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}
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@ -318,17 +323,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encInt32, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(signedResult, b.Data()) {
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t.Errorf("int32 enc instructions: expected % x got % x", signedResult, b.Data())
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}
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@ -344,17 +349,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encUint32, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(unsignedResult, b.Data()) {
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t.Errorf("uint32 enc instructions: expected % x got % x", unsignedResult, b.Data())
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}
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@ -370,17 +375,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encInt64, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(signedResult, b.Data()) {
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t.Errorf("int64 enc instructions: expected % x got % x", signedResult, b.Data())
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}
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@ -396,17 +401,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encUint, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(unsignedResult, b.Data()) {
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t.Errorf("uint64 enc instructions: expected % x got % x", unsignedResult, b.Data())
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}
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@ -422,17 +427,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encFloat, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(floatResult, b.Data()) {
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t.Errorf("float enc instructions: expected % x got % x", floatResult, b.Data())
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}
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@ -448,17 +453,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encFloat32, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(floatResult, b.Data()) {
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t.Errorf("float32 enc instructions: expected % x got % x", floatResult, b.Data())
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}
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@ -474,17 +479,17 @@ func TestScalarEncInstructions(t *testing.T) {
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instr := &encInstr{ encFloat64, 0, 0, 0 };
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state := newEncState(b);
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state.base = uintptr(unsafe.Pointer(&data));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 0;
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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state.fieldnum = 1;
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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instr.op(instr, state);
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instr.op(instr, state, encAddrOf(state, instr));
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if !bytes.Equal(floatResult, b.Data()) {
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t.Errorf("float64 enc instructions: expected % x got % x", floatResult, b.Data())
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}
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@ -509,6 +514,12 @@ func newDecState(data []byte) *DecState {
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return state;
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}
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// derive the address of a field, after indirecting indir times.
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func decAddrOf(state *DecState, instr *decInstr) unsafe.Pointer {
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p := unsafe.Pointer(state.base+instr.offset);
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return decIndirect(p, instr.indir);
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}
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// Test instruction execution for decoding.
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// Do not run the machine yet; instead do individual instructions crafted by hand.
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func TestScalarDecInstructions(t *testing.T) {
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@ -520,17 +531,17 @@ func TestScalarDecInstructions(t *testing.T) {
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state := newDecState(boolResult);
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state.base = uintptr(unsafe.Pointer(&data));
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expectField(0, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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expectField(1, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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expectField(2, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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if data.a != true {
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t.Errorf("int a = %v not true", data.a)
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}
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@ -549,17 +560,17 @@ func TestScalarDecInstructions(t *testing.T) {
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state := newDecState(signedResult);
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state.base = uintptr(unsafe.Pointer(&data));
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expectField(0, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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expectField(1, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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expectField(2, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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if data.a != 17 {
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t.Errorf("int a = %v not 17", data.a)
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}
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@ -578,17 +589,17 @@ func TestScalarDecInstructions(t *testing.T) {
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state := newDecState(unsignedResult);
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state.base = uintptr(unsafe.Pointer(&data));
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expectField(0, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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expectField(1, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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expectField(2, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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if data.a != 17 {
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t.Errorf("int a = %v not 17", data.a)
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}
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@ -607,17 +618,17 @@ func TestScalarDecInstructions(t *testing.T) {
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state := newDecState(signedResult);
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state.base = uintptr(unsafe.Pointer(&data));
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expectField(0, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 1;
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instr.indir = 1;
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instr.offset = uintptr(unsafe.Offsetof(data.b));
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expectField(1, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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instr.field = 2;
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instr.indir = 2;
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instr.offset = uintptr(unsafe.Offsetof(data.c));
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expectField(2, state, t);
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instr.op(instr, state);
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instr.op(instr, state, decAddrOf(state, instr));
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if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -636,17 +647,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(unsignedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -665,17 +676,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(signedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -694,17 +705,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(unsignedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -723,17 +734,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(signedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -752,17 +763,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(unsignedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -781,17 +792,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(signedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -810,17 +821,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(unsignedResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -839,17 +850,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(floatResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -868,17 +879,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(floatResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
@ -897,17 +908,17 @@ func TestScalarDecInstructions(t *testing.T) {
|
||||
state := newDecState(floatResult);
|
||||
state.base = uintptr(unsafe.Pointer(&data));
|
||||
expectField(0, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 1;
|
||||
instr.indir = 1;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.b));
|
||||
expectField(1, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
instr.field = 2;
|
||||
instr.indir = 2;
|
||||
instr.offset = uintptr(unsafe.Offsetof(data.c));
|
||||
expectField(2, state, t);
|
||||
instr.op(instr, state);
|
||||
instr.op(instr, state, decAddrOf(state, instr));
|
||||
if data.a != 17 {
|
||||
t.Errorf("int a = %v not 17", data.a)
|
||||
}
|
||||
|
||||
@ -4,6 +4,9 @@
|
||||
|
||||
package gob
|
||||
|
||||
// TODO(rsc): When garbage collector changes, revisit
|
||||
// the allocations in this file that use unsafe.Pointer.
|
||||
|
||||
import (
|
||||
"gob";
|
||||
"io";
|
||||
@ -57,9 +60,12 @@ func DecodeInt(state *DecState) int64 {
|
||||
return int64(x >> 1)
|
||||
}
|
||||
|
||||
type decInstr struct
|
||||
type decOp func(i *decInstr, state *DecState, p unsafe.Pointer);
|
||||
|
||||
// The 'instructions' of the decoding machine
|
||||
type decInstr struct {
|
||||
op func(i *decInstr, state *DecState);
|
||||
op decOp;
|
||||
field int; // field number
|
||||
indir int; // how many pointer indirections to reach the value in the struct
|
||||
offset uintptr; // offset in the structure of the field to encode
|
||||
@ -84,14 +90,10 @@ func decIndirect(p unsafe.Pointer, indir int) unsafe.Pointer {
|
||||
return p
|
||||
}
|
||||
|
||||
func decBool(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decBool(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(bool));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -101,12 +103,8 @@ func decBool(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decInt(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decInt(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
@ -118,14 +116,10 @@ func decInt(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decUint(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decUint(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(uint));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -135,14 +129,10 @@ func decUint(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decInt8(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decInt8(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int8));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -152,14 +142,10 @@ func decInt8(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decUint8(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decUint8(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(uint8));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -169,14 +155,10 @@ func decUint8(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decInt16(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decInt16(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int16));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -186,14 +168,10 @@ func decInt16(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decUint16(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decUint16(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(uint16));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -203,14 +181,10 @@ func decUint16(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decInt32(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decInt32(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int32));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -220,14 +194,10 @@ func decInt32(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decUint32(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decUint32(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(uint32));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -237,14 +207,10 @@ func decUint32(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decInt64(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decInt64(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int64));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -254,14 +220,10 @@ func decInt64(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decUint64(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decUint64(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(uint64));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -286,14 +248,10 @@ func floatFromBits(u uint64) float64 {
|
||||
return math.Float64frombits(v);
|
||||
}
|
||||
|
||||
func decFloat(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decFloat(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(float));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -303,14 +261,10 @@ func decFloat(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decFloat32(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decFloat32(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(float32));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -320,14 +274,10 @@ func decFloat32(i *decInstr, state *DecState) {
|
||||
}
|
||||
}
|
||||
|
||||
func decFloat64(i *decInstr, state *DecState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
func decFloat64(i *decInstr, state *DecState, p unsafe.Pointer) {
|
||||
if i.indir > 0 {
|
||||
if i.indir > 1 {
|
||||
p = decIndirect(p, i.indir);
|
||||
}
|
||||
if *(*unsafe.Pointer)(p) == nil {
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(int));
|
||||
*(*unsafe.Pointer)(p) = unsafe.Pointer(new(float64));
|
||||
p = *(*unsafe.Pointer)(p);
|
||||
}
|
||||
}
|
||||
@ -346,7 +296,7 @@ type decEngine struct {
|
||||
}
|
||||
|
||||
var decEngineMap = make(map[reflect.Type] *decEngine)
|
||||
var decOp = map[int] func(*decInstr, *DecState) {
|
||||
var decOpMap = map[int] decOp {
|
||||
reflect.BoolKind: decBool,
|
||||
reflect.IntKind: decInt,
|
||||
reflect.Int8Kind: decInt8,
|
||||
@ -386,7 +336,7 @@ func compileDec(rt reflect.Type, typ Type) *decEngine {
|
||||
ftyp = pt.Sub();
|
||||
indir++;
|
||||
}
|
||||
op, ok := decOp[ftyp.Kind()];
|
||||
op, ok := decOpMap[ftyp.Kind()];
|
||||
if !ok {
|
||||
panicln("can't handle decode for type", ftyp.String());
|
||||
}
|
||||
@ -424,7 +374,11 @@ func (engine *decEngine) decode(r io.Reader, v reflect.Value) os.Error {
|
||||
panicln("TODO(r): need to handle unknown data");
|
||||
}
|
||||
instr := &engine.instr[fieldnum];
|
||||
instr.op(instr, state);
|
||||
p := unsafe.Pointer(state.base+instr.offset);
|
||||
if instr.indir > 1 {
|
||||
p = decIndirect(p, instr.indir);
|
||||
}
|
||||
instr.op(instr, state, p);
|
||||
state.fieldnum = fieldnum;
|
||||
}
|
||||
return state.err
|
||||
|
||||
@ -60,9 +60,12 @@ func EncodeInt(state *EncState, i int64){
|
||||
EncodeUint(state, uint64(x))
|
||||
}
|
||||
|
||||
type encInstr struct
|
||||
type encOp func(i *encInstr, state *EncState, p unsafe.Pointer)
|
||||
|
||||
// The 'instructions' of the encoding machine
|
||||
type encInstr struct {
|
||||
op func(i *encInstr, state *EncState);
|
||||
op encOp;
|
||||
field int; // field number
|
||||
indir int; // how many pointer indirections to reach the value in the struct
|
||||
offset uintptr; // offset in the structure of the field to encode
|
||||
@ -84,13 +87,7 @@ func encIndirect(p unsafe.Pointer, indir int) unsafe.Pointer {
|
||||
return p
|
||||
}
|
||||
|
||||
func encBool(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encBool(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
b := *(*bool)(p);
|
||||
if b {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -98,13 +95,7 @@ func encBool(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encInt(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encInt(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := int64(*(*int)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -112,13 +103,7 @@ func encInt(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encUint(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encUint(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := uint64(*(*uint)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -126,13 +111,7 @@ func encUint(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encInt8(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encInt8(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := int64(*(*int8)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -140,13 +119,7 @@ func encInt8(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encUint8(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encUint8(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := uint64(*(*uint8)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -154,13 +127,7 @@ func encUint8(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encInt16(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encInt16(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := int64(*(*int16)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -168,13 +135,7 @@ func encInt16(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encUint16(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encUint16(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := uint64(*(*uint16)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -182,13 +143,7 @@ func encUint16(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encInt32(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encInt32(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := int64(*(*int32)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -196,13 +151,7 @@ func encInt32(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encUint32(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encUint32(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := uint64(*(*uint32)(p));
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -210,13 +159,7 @@ func encUint32(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encInt64(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encInt64(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := *(*int64)(p);
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -224,13 +167,7 @@ func encInt64(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encUint64(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encUint64(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
v := *(*uint64)(p);
|
||||
if v != 0 {
|
||||
EncodeUint(state, uint64(i.field - state.fieldnum));
|
||||
@ -254,13 +191,7 @@ func floatBits(f float64) uint64 {
|
||||
return v;
|
||||
}
|
||||
|
||||
func encFloat(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encFloat(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
f := float(*(*float)(p));
|
||||
if f != 0 {
|
||||
v := floatBits(float64(f));
|
||||
@ -269,13 +200,7 @@ func encFloat(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encFloat32(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encFloat32(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
f := float32(*(*float32)(p));
|
||||
if f != 0 {
|
||||
v := floatBits(float64(f));
|
||||
@ -284,13 +209,7 @@ func encFloat32(i *encInstr, state *EncState) {
|
||||
}
|
||||
}
|
||||
|
||||
func encFloat64(i *encInstr, state *EncState) {
|
||||
p := unsafe.Pointer(state.base+i.offset);
|
||||
if i.indir > 0 {
|
||||
if p = encIndirect(p, i.indir); p == nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
func encFloat64(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
f := *(*float64)(p);
|
||||
if f != 0 {
|
||||
v := floatBits(f);
|
||||
@ -300,7 +219,7 @@ func encFloat64(i *encInstr, state *EncState) {
|
||||
}
|
||||
|
||||
// The end of a struct is marked by a delta field number of 0.
|
||||
func encStructTerminator(i *encInstr, state *EncState) {
|
||||
func encStructTerminator(i *encInstr, state *EncState, p unsafe.Pointer) {
|
||||
EncodeUint(state, 0);
|
||||
}
|
||||
|
||||
@ -313,7 +232,7 @@ type encEngine struct {
|
||||
}
|
||||
|
||||
var encEngineMap = make(map[reflect.Type] *encEngine)
|
||||
var encOp = map[int] func(*encInstr, *EncState) {
|
||||
var encOpMap = map[int] encOp {
|
||||
reflect.BoolKind: encBool,
|
||||
reflect.IntKind: encInt,
|
||||
reflect.Int8Kind: encInt8,
|
||||
@ -352,7 +271,7 @@ func compileEnc(rt reflect.Type, typ Type) *encEngine {
|
||||
ftyp = pt.Sub();
|
||||
indir++;
|
||||
}
|
||||
op, ok := encOp[ftyp.Kind()];
|
||||
op, ok := encOpMap[ftyp.Kind()];
|
||||
if !ok {
|
||||
panicln("encode can't handle type", ftyp.String());
|
||||
}
|
||||
@ -383,7 +302,14 @@ func (engine *encEngine) encode(w io.Writer, v reflect.Value) os.Error {
|
||||
state.fieldnum = -1;
|
||||
for i := 0; i < len(engine.instr); i++ {
|
||||
instr := &engine.instr[i];
|
||||
instr.op(instr, state);
|
||||
p := unsafe.Pointer(state.base+instr.offset);
|
||||
if instr.indir > 0 {
|
||||
if p = encIndirect(p, instr.indir); p == nil {
|
||||
state.fieldnum = i;
|
||||
continue
|
||||
}
|
||||
}
|
||||
instr.op(instr, state, p);
|
||||
if state.err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user