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Levin Zimmermann
neoppod
Commits
0413e93b
Commit
0413e93b
authored
Jan 27, 2017
by
Kirill Smelkov
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.
parent
6745433a
Changes
1
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Showing
1 changed file
with
20 additions
and
20 deletions
+20
-20
t/neo/protogen.go
t/neo/protogen.go
+20
-20
No files found.
t/neo/protogen.go
View file @
0413e93b
...
@@ -124,7 +124,7 @@ func main() {
...
@@ -124,7 +124,7 @@ func main() {
// prologue
// prologue
f
:=
fv
[
0
]
// proto.go comes first
f
:=
fv
[
0
]
// proto.go comes first
buf
:=
Buffer
{}
buf
:=
Buffer
{}
buf
.
emit
(
`// DO NOT EDIT - AUTOGENERATED (by protogen.go)
buf
.
emit
(
`// DO NOT EDIT - AUTOGENERATED (by protogen.go)
...
@@ -135,7 +135,7 @@ import (
...
@@ -135,7 +135,7 @@ import (
"sort"
"sort"
)`
)
)`
)
pktTypeRegistry
:=
map
[
int
]
string
{}
// pktCode -> typename
pktTypeRegistry
:=
map
[
int
]
string
{}
// pktCode -> typename
// go over packet types declaration and generate marshal code for them
// go over packet types declaration and generate marshal code for them
buf
.
emit
(
"// packets marshalling
\n
"
)
buf
.
emit
(
"// packets marshalling
\n
"
)
...
@@ -175,7 +175,7 @@ import (
...
@@ -175,7 +175,7 @@ import (
// now generate packet types registry
// now generate packet types registry
buf
.
emit
(
"
\n
// registry of packet types"
)
buf
.
emit
(
"
\n
// registry of packet types"
)
buf
.
emit
(
"var pktTypeRegistry = map[int]reflect.Type {"
)
// XXX key -> PktCode ?
buf
.
emit
(
"var pktTypeRegistry = map[int]reflect.Type {"
)
// XXX key -> PktCode ?
// ordered by pktCode
// ordered by pktCode
pktCodeV
:=
[]
int
{}
pktCodeV
:=
[]
int
{}
...
@@ -193,7 +193,7 @@ import (
...
@@ -193,7 +193,7 @@ import (
// format & output generated code
// format & output generated code
code
,
err
:=
format
.
Source
(
buf
.
Bytes
())
code
,
err
:=
format
.
Source
(
buf
.
Bytes
())
if
err
!=
nil
{
if
err
!=
nil
{
panic
(
err
)
// should not happen
panic
(
err
)
// should not happen
}
}
_
,
err
=
os
.
Stdout
.
Write
(
code
)
_
,
err
=
os
.
Stdout
.
Write
(
code
)
...
@@ -295,13 +295,13 @@ type CodeGenerator interface {
...
@@ -295,13 +295,13 @@ type CodeGenerator interface {
// common part of codegenerators
// common part of codegenerators
type
commonCodeGen
struct
{
type
commonCodeGen
struct
{
buf
Buffer
// code is emitted here
buf
Buffer
// code is emitted here
recvName
string
// receiver/type for top-level func
recvName
string
// receiver/type for top-level func
typeName
string
// or empty
typeName
string
// or empty
typ
types
.
Type
typ
types
.
Type
varUsed
map
[
string
]
bool
// whether a variable was used
varUsed
map
[
string
]
bool
// whether a variable was used
}
}
func
(
c
*
commonCodeGen
)
emit
(
format
string
,
a
...
interface
{})
{
func
(
c
*
commonCodeGen
)
emit
(
format
string
,
a
...
interface
{})
{
...
@@ -327,8 +327,8 @@ func (c *commonCodeGen) var_(varname string) string {
...
@@ -327,8 +327,8 @@ func (c *commonCodeGen) var_(varname string) string {
// consists of numeric & symbolic expression parts
// consists of numeric & symbolic expression parts
// size is num + expr1 + expr2 + ...
// size is num + expr1 + expr2 + ...
type
SymSize
struct
{
type
SymSize
struct
{
num
int
// numeric part of size
num
int
// numeric part of size
exprv
[]
string
// symbolic part of size
exprv
[]
string
// symbolic part of size
}
}
func
(
s
*
SymSize
)
Add
(
n
int
)
{
func
(
s
*
SymSize
)
Add
(
n
int
)
{
...
@@ -425,7 +425,7 @@ func (o *OverflowCheck) AddExpr(format string, a ...interface{}) {
...
@@ -425,7 +425,7 @@ func (o *OverflowCheck) AddExpr(format string, a ...interface{}) {
// result is: symbolic size + (optionally) runtime accumulator.
// result is: symbolic size + (optionally) runtime accumulator.
type
sizer
struct
{
type
sizer
struct
{
commonCodeGen
commonCodeGen
size
SymSize
// currently accumulated packet size
size
SymSize
// currently accumulated packet size
}
}
// encoder generates code to encode a packet
// encoder generates code to encode a packet
...
@@ -441,7 +441,7 @@ type sizer struct {
...
@@ -441,7 +441,7 @@ type sizer struct {
// ...
// ...
type
encoder
struct
{
type
encoder
struct
{
commonCodeGen
commonCodeGen
n
int
// current write position in data
n
int
// current write position in data
}
}
// decoder generates code to decode a packet
// decoder generates code to decode a packet
...
@@ -468,9 +468,9 @@ type decoder struct {
...
@@ -468,9 +468,9 @@ type decoder struct {
// current delayed overflow check will be inserted in between bufDone & buf
// current delayed overflow check will be inserted in between bufDone & buf
bufDone
Buffer
bufDone
Buffer
n
int
// current read position in data.
n
int
// current read position in data.
nread
int
// numeric part of total nread return
nread
int
// numeric part of total nread return
nreadStk
[]
int
// stack to push/pop nread on loops
nreadStk
[]
int
// stack to push/pop nread on loops
// overflow check state and size that will be checked for overflow at
// overflow check state and size that will be checked for overflow at
// current overflow check point
// current overflow check point
...
@@ -686,7 +686,7 @@ func (e *encoder) genArray1(path string, typ *types.Array) {
...
@@ -686,7 +686,7 @@ func (e *encoder) genArray1(path string, typ *types.Array) {
func
(
d
*
decoder
)
genArray1
(
assignto
string
,
typ
*
types
.
Array
)
{
func
(
d
*
decoder
)
genArray1
(
assignto
string
,
typ
*
types
.
Array
)
{
typLen
:=
int
(
typ
.
Len
())
typLen
:=
int
(
typ
.
Len
())
d
.
emit
(
"copy(%v[:], data[%v:%v])"
,
assignto
,
d
.
n
,
d
.
n
+
typLen
)
d
.
emit
(
"copy(%v[:], data[%v:%v])"
,
assignto
,
d
.
n
,
d
.
n
+
typLen
)
d
.
n
+=
typLen
d
.
n
+=
typLen
d
.
overflow
.
Add
(
typLen
)
d
.
overflow
.
Add
(
typLen
)
}
}
...
@@ -823,7 +823,7 @@ func (s *sizer) genMap(path string, typ *types.Map, obj types.Object) {
...
@@ -823,7 +823,7 @@ func (s *sizer) genMap(path string, typ *types.Map, obj types.Object) {
if
keyFixed
&&
elemFixed
{
if
keyFixed
&&
elemFixed
{
s
.
size
.
Add
(
4
)
s
.
size
.
Add
(
4
)
s
.
size
.
AddExpr
(
"len(%v) * %v"
,
path
,
keySize
+
elemSize
)
s
.
size
.
AddExpr
(
"len(%v) * %v"
,
path
,
keySize
+
elemSize
)
return
return
}
}
...
@@ -863,7 +863,7 @@ func (e *encoder) genMap(path string, typ *types.Map, obj types.Object) {
...
@@ -863,7 +863,7 @@ func (e *encoder) genMap(path string, typ *types.Map, obj types.Object) {
e
.
emit
(
"for _, key := range keyv {"
)
e
.
emit
(
"for _, key := range keyv {"
)
codegenType
(
"key"
,
typ
.
Key
(),
obj
,
e
)
codegenType
(
"key"
,
typ
.
Key
(),
obj
,
e
)
codegenType
(
fmt
.
Sprintf
(
"%s[key]"
,
path
),
typ
.
Elem
(),
obj
,
e
)
codegenType
(
fmt
.
Sprintf
(
"%s[key]"
,
path
),
typ
.
Elem
(),
obj
,
e
)
e
.
emit
(
"data = data[%v:]"
,
e
.
n
)
// XXX wrt map of map?
e
.
emit
(
"data = data[%v:]"
,
e
.
n
)
// XXX wrt map of map?
e
.
emit
(
"}"
)
e
.
emit
(
"}"
)
e
.
emit
(
"}"
)
e
.
emit
(
"}"
)
e
.
n
=
0
e
.
n
=
0
...
@@ -880,7 +880,7 @@ func (d *decoder) genMap(assignto string, typ *types.Map, obj types.Object) {
...
@@ -880,7 +880,7 @@ func (d *decoder) genMap(assignto string, typ *types.Map, obj types.Object) {
elemSize
,
elemFixed
:=
typeSizeFixed
(
typ
.
Elem
())
elemSize
,
elemFixed
:=
typeSizeFixed
(
typ
.
Elem
())
if
keyFixed
&&
elemFixed
{
if
keyFixed
&&
elemFixed
{
d
.
overflowCheck
()
d
.
overflowCheck
()
d
.
overflow
.
AddExpr
(
"l * %v"
,
keySize
+
elemSize
)
d
.
overflow
.
AddExpr
(
"l * %v"
,
keySize
+
elemSize
)
d
.
overflow
.
PushChecked
(
true
)
d
.
overflow
.
PushChecked
(
true
)
defer
d
.
overflow
.
PopChecked
()
defer
d
.
overflow
.
PopChecked
()
}
}
...
@@ -933,7 +933,7 @@ func codegenType(path string, typ types.Type, obj types.Object, codegen CodeGene
...
@@ -933,7 +933,7 @@ func codegenType(path string, typ types.Type, obj types.Object, codegen CodeGene
case
*
types
.
Struct
:
case
*
types
.
Struct
:
for
i
:=
0
;
i
<
u
.
NumFields
();
i
++
{
for
i
:=
0
;
i
<
u
.
NumFields
();
i
++
{
v
:=
u
.
Field
(
i
)
v
:=
u
.
Field
(
i
)
codegenType
(
path
+
"."
+
v
.
Name
(),
v
.
Type
(),
v
,
codegen
)
codegenType
(
path
+
"."
+
v
.
Name
(),
v
.
Type
(),
v
,
codegen
)
}
}
case
*
types
.
Array
:
case
*
types
.
Array
:
...
...
Write
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