README
¶
A work-in-progress Go to Python transpiler. It can currently only compile toy programs.
Example usage
This will compile the package at path ./mypackage into a Python module mypackage.py:
gotopython -o mypackage.py ./mypackage
Implementation status
The parts of the Go language spec that are implemented are:
| Expression | Example | Implemented |
|---|---|---|
| BadExpr | n/a | |
| Ident | myVar |
✓ |
| Ellipsis | ... |
|
| BasicLit | 42 |
✓ |
| FuncLit | func(t T) {} |
✓ |
| CompositeLit | T{x: 1, y: 2} |
✓ |
| ParenExpr | (x) |
✓ |
| SelectorExpr | x.y |
✓ |
| IndexExpr | x[y] |
✓ |
| SliceExpr | x[y:z] |
✓ |
| TypeAssertExpr | x.(T) |
|
| CallExpr | x(y,z) |
✓ |
| StarExpr | *x |
✓ |
| UnaryExpr | -x |
✓ |
| BinaryExpr | x+y |
✓ |
| KeyValueExpr | x: y |
✓ |
| ArrayType | []T |
✓ |
| StructType | struct { T x } |
✓ |
| FuncType | func(T) U |
✓ |
| InterfaceType | interface {} |
|
| MapType | map[T]U |
✓ |
| ChanType | chan<- T |
| Statement | Example | Implemented |
|---|---|---|
| BadStmt | n/a | |
| DeclStmt | var x T const x = 1 |
✓ |
| EmptyStmt | ✓ | |
| LabeledStmt | label: ... |
|
| ExprStmt | x |
✓ |
| SendStmt | x <- y |
|
| IncDecStmt | x++ |
✓ |
| AssignStmt | x, y := z |
✓ |
| GoStmt | go f() |
|
| DeferStmt | defer f() |
✓ |
| ReturnStmt | return x, y |
1 |
| BranchStmt | break |
✓ |
| BlockStmt | {...} |
✓ |
| IfStmt | if x; y {...} |
✓ |
| CaseClause | case x>y: |
✓ |
| SwitchStmt | switch x; y {...} |
2 |
| TypeSwitchStmt | switch x.(type) {...} |
✓ |
| CommClause | case x = <-y: ... |
|
| SelectStmt | select { ... } |
|
| ForStmt | for x; y; z {...} |
✓ |
| RangeStmt | for x, y := range z {...} |
3 |
- No argumentless return in functions with named return values
- No
fallthrough - Only for array/slice
| Spec | Example | Implemented |
|---|---|---|
| ImportSpec | import "x" |
|
| ValueSpec | var x T const x = 1 |
✓ |
| TypeSpec | type T U |
✓ |
| Built-in function | Implemented |
|---|---|
close |
|
len |
✓ |
cap |
1 |
new |
✓ |
make([]T) |
✓ |
make(map[T]U) |
✓ |
make(chan T) |
|
append |
|
copy |
|
delete |
✓ |
complex |
✓ |
real |
✓ |
imag |
✓ |
panic |
|
recover |
|
print |
|
println |
capis translated tolen
| Language feature | Implemented |
|---|---|
| fixed width integers | |
| struct copying | |
| pass by value | |
| package unsafe | |
| goroutines | |
| Imports | |
| Name collisions | |
| Scoping rules | |
fallthrough |
|
goto |
|
| cgo |
References
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