TrueCloudLab/neoneo-go
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104 commits

Author SHA1 Message Date
Evgenii Stratonikov
2c5ab95b8a compiler: convert to ByteArray for string variables 
Convert to ByteArray when converting variable to `string`, because
underlying byte-slice changes should not affect result string.
 2020-06-24 18:59:36 +03:00
Evgenii Stratonikov
1d275ceb65 compiler: distinguish between type conversions and function calls 
RN every identifier in call expression is considered to be lambda.
But it also can be type expression, so we need to distinguish between
these cases.
 2020-06-24 18:46:32 +03:00
Evgenii Stratonikov
904b2136fc compiler: emit CONVERT opcode for type assertions 
Emit CONVERT for converting between different types. NeoVM behavior is
different from that of Go (e.g. assertions of `int` and `uint32` are
equivalent).
 2020-06-24 18:00:26 +03:00
Roman Khimov
954c8ff8d6 compiler: support nil checks 2020-06-24 10:43:58 +03:00
Evgenii Stratonikov
e54149d547 compiler: do not load map key twice in for-range loop 2020-06-22 13:43:59 +03:00
Evgenii Stratonikov
1847c28b42 compiler: do not load values which will be dropped 2020-06-22 13:43:59 +03:00
Evgenii Stratonikov
72be5412f4 compiler: optimize argument reversing 
Do not reverse arguments if there is no more than 1.
 2020-06-22 13:43:59 +03:00
Evgenii Stratonikov
3729865860 compiler: reimplement for-range loops without syscalls 
System.Enumerator.Next costs 1_000_000 gas which is rather big for a
single iteration. Reimplement this by saving current counters on stack.
This approach will use 2 PICKITEMS (270_000 gas) for maps, which is
still cheaper that *.Next syscall.
 2020-06-22 13:43:58 +03:00
Evgenii Stratonikov
afd8f3b87a compiler: push Null item for nil values 2020-06-17 11:24:11 +03:00
Evgenii Stratonikov
0472a0b0b1 core: move Neo.Runtime/Enumerator/Iterator.* interops to System.* 2020-06-10 12:13:35 +03:00
Anna Shaleva
7a2d37cf7e core: update System.Blockchain.GetBlock interop 
closes #1025

Now we put on stack stackitem.Array instead of Interop, so we're able to
use all available block properties without extra interop getters.
Removed Neo.Blockchain.GetBlock interop as we don't need it anymore.
 2020-06-09 23:24:04 +03:00
Anna Shaleva
53655c5ac2 core: implement new System.Blockchain.GetTransaction interop 
closes #1023

Now we put on stack stackitem.Array instead of Interop, so we don't
need old transaction-related interops anymore. Removed the following
interops:
	System.Transaction.GetHash
	Neo.Transaction.GetAttributes
	Neo.Transaction.GetHash
	Neo.Transaction.GetWitnesses
	Neo.Attribute.GetData
	Neo.Attribute.GetUsage

Also removed the following duplicated NEO interop:
	Neo.Blockchain.GetTransaction
 2020-06-09 22:04:13 +03:00
Evgenii Stratonikov
ed45ff98e3 compiler: process interop together with package 
Closes #913.
Provide package info in the funcScope to check if function is defined
insided an interop package. As a good side-effect bytecode for builtins from `util`
is no longer emitted.

Related #941.
 2020-06-09 12:41:33 +03:00
Anna Shaleva
783f5ecb01 vm: move StackItem to a separate package 
closes #912
 2020-06-08 13:27:08 +03:00
Evgenii Stratonikov
8cf7871c26 compiler: support nested slice element assignment 2020-05-21 08:30:32 +03:00
Evgenii Stratonikov
5b0e73ddf0 compiler: initialize struct fields explicitly 
By default VM initializes every field of a new struct to a Boolean.
If field contains another struct, we need to initialize it to default
value explicitly. This commit sets default values for uninitialized
field.
 2020-05-21 08:30:32 +03:00
Evgenii Stratonikov
051e3608ff compiler: support nested struct fielid assignment 2020-05-21 08:30:32 +03:00
Evgenii Stratonikov
1e40f9dac0 compiler: support nested struct reading 2020-05-21 08:30:31 +03:00
Evgenii Stratonikov
1a4a0c154b compiler: support var-declaration of byte slices 
Related #801.
 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
3a4ed7dfe8 compiler: emit Buffer for byte slices 
All byte slices are mutable so buffer is a right stack item.
 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
b4f1142149 compiler: emit byte constants properly 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
1b105a9f1d compiler: allow using OP= with struct fields and slice elements 
Do it in a generic way, there is no need in restricting to only
variables.
Port of #954.
 2020-05-20 14:14:29 +03:00
Evgenii Stratonikov
fdb217ec81 compiler: process _ as a special variable 
It is more convenient to drop values inside `emitStoreVar` because this
makes other code has less special cases.
 2020-05-20 14:14:29 +03:00
Evgenii Stratonikov
d0735257ce compiler: support range loops with value variables 
Closes #958.
 2020-05-20 14:14:29 +03:00
Evgenii Stratonikov
b126056f04 compiler: use iterators in range loops 
It is simpler than having some counters on stack and will help us to
support maps in future.
 2020-05-20 14:14:29 +03:00
Evgenii Stratonikov
34a4c15932 compiler: support byte slice declaration 2020-05-20 11:10:02 +03:00
Evgenii Stratonikov
582469028b compiler: emit default values in a generic way 2020-05-20 11:10:01 +03:00
Evgenii Stratonikov
2cc58c3c9e compiler: allow to declare multiple compound types in a var decl 2020-05-19 16:57:02 +03:00
Evgenii Stratonikov
0629479560 compiler: support non-struct methods 
There is no need to restrict ourselves just to structs.
 2020-05-19 16:40:26 +03:00
Evgenii Stratonikov
87f6ba34db compiler: process index expresstions in a generic way 
All type errors such as string index in slice will be catched during parse phase.
 2020-05-19 16:40:26 +03:00
Evgenii Stratonikov
aeaa4a8210 compiler: process bool literals in a generic way 2020-05-19 16:40:26 +03:00
Evgenii Stratonikov
70d0ff869d compiler: refactor typeinfo functions 2020-05-19 16:40:26 +03:00
Evgenii Stratonikov
e21015233b compiler: implement shadowing of global variables 
Before introducing slots it was hard to change global variables
preserving changes across multiple function calls.
This commit implements such possibility.
Closes #638.
 2020-05-12 16:23:09 +03:00
Evgenii Stratonikov
0cb6dc47e4 vm: implement slot-related opcodes 
1. Slot is a new mechanism for storing variables during execution
which is more convenient than alt.stack. This commit implements
support for slot opcodes in both vm and compiler.
2. Remove old alt.stack opcodes.
3. Do not process globals at the start of every function, but instead
load them single time at main.
 2020-05-12 16:23:08 +03:00
Evgenii Stratonikov
75fb3af48f compiler: add basic support for function literals 
Implement basic support for function literals.
Nested function literals and variables from closure are not supported for now.
 2020-05-12 12:56:52 +03:00
Roman Khimov
b83ee77698
Merge pull request #938 from nspcc-dev/fix/appcall 
vm: remove APPCALL, TAILCALL
 2020-05-08 13:11:02 +03:00
Evgenii Stratonikov
73c82584a3 vm,compiler: replace APPCALL with System.Contract.Call 
Contract calls are performed via syscall System.Contract.Call
in NEO3. This implements this in compiler and removes APPCALL from the
VM.
 2020-05-07 14:52:03 +03:00
Evgenii Stratonikov
7ac15a7557 compiler: support implicit type in function arguments 
Go supports declaring multiple arguments of the same type without
duplicating type name. Now we support this too.
 2020-05-07 11:33:09 +03:00
Evgenii Stratonikov
b0a89e8a1a compiler: support named returns 2020-05-06 18:22:52 +03:00
Evgenii Stratonikov
156a2eddc5 compiler: support using return in some branches 
When `return` is used in one codepath, but not the other,
we do not clean altstack properly. This commit fixes it.
 2020-05-06 18:22:52 +03:00
Evgenii Stratonikov
d18199ce42 vm: implement REVERSE* opcodes 
Use new opcodes in the compiler instead of XSWAP/ROLL.
 2020-05-06 13:03:49 +03:00
Evgenii Stratonikov
9081211f12 vm: implement NOTEQUAL opcode 2020-04-30 18:00:15 +03:00
Evgenii Stratonikov
519b31a704 vm: remove crypto-related opcodes 
All cryptography has moved to interops in NEO3.
There is no SHA256 interop RN, but it is to appear later.
Closes #777.
 2020-04-29 19:16:38 +03:00
Evgenii Stratonikov
2fd63387c0 compiler: support CONVERT interops 
When result is needed to have certain type, we should have ability
to convert it, with the help of CONVERT opcode.
 2020-04-28 16:44:06 +03:00
Evgenii Stratonikov
bfcb1a409f compiler: extend possible returned values 
All integer values (int32, uint64...) should be able to be returned.
 2020-04-28 16:44:06 +03:00
Evgenii Stratonikov
03761421f8 vm: reorder Array/Map opcodes 
Also SIZE can be used for both Arrays/Maps and ByteArrays.
 2020-04-24 13:48:44 +03:00
Evgenii Stratonikov
d6624a92ca vm: implement new JMP* and CALL* opcodes 
In compiler JMP*_L opcodes are always used, as this requires less effort.
 2020-04-24 10:16:41 +03:00
Evgenii Stratonikov
4ad29d0867 compiler: emit Neo.Crypto.ECDsaVerify syscall instead of CHECKSIG 
Also change the name of `VerifySignature` interop, to match
syscall's name. It also accepts arguments in different order.
 2020-04-13 13:47:39 +03:00
Evgenii Stratonikov
948729137f vm: remove HASH160/HASH256 opcodes 2020-04-13 13:47:39 +03:00
Evgenii Stratonikov
da826522f8 compiler: set variable index on first declaration 
This way variables will have indices corresponding to their
order of appearance in a source file.
 2020-04-06 15:30:07 +03:00