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108 commits

Author SHA1 Message Date
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
3926456d86 compiler: add test for iterating over map with range 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
b4bad11699 compiler: count the number of variables correctly 2020-05-19 16:47:43 +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
89b5e92b83 compiler: add tests for function literal 
Add test forgotten in #934.
 2020-05-12 16:23:09 +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
770cff8b91 compiler: allow to use return with no arguments 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
Anna Shaleva
2ec1d76320 compiler: add ability to generate .abi.json file 
A part of integration with NEO Blockchain Toolkit (see #902). To be
able to deploy smart-contract compiled with neo-go compiler via NEO
Express, we have to generate additional .abi.json file. This file
contains the following information:
 - hash of the compiled contract
 - smart-contract metadata (title, description, version, author,
email, has-storage, has-dynamic-invoke, is-payable)
 - smart-contract entry point
 - functions
 - events

However, this .abi.json file is slightly different from the one,
described in manifest.go, so we have to add auxilaury stractures for
json marshalling. The .abi.json format used by NEO-Express is described
[here](https://github.com/neo-project/neo-devpack-dotnet/blob/master/src/Neo.Compiler.MSIL/FuncExport.cs#L66).
 2020-05-04 08:37:39 +03:00
Anna Shaleva
ab7f2cb4fb compiler: fix bug with missing methods parameters 
Method `methodInfoFromScope(...)` always returned an empty parameters
set, so we were missing this information in both .abi.json and
.debug.json files. Fixed now.
 2020-05-04 08:37:39 +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
4b064e18aa emit: converto to Boolean in Bool() 2020-04-28 17:36:58 +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
bfbbef952a vm: move InteropNameToID to emit package 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
3831aec53f vm: make NewBigInteger accept *big.Int 
It creates big.Int internally anyway, so this is the most flexible way.
 2020-04-16 15:54:58 +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
c71ad6a5db cli: output contract after compiling only with --verbose flag 
Also remove Debug from compiler option as it is used only in CLI.
 2020-04-08 13:09:51 +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
Evgenii Stratonikov
457e7e006a compiler: support exporting method variables in debug info 2020-04-06 15:30:07 +03:00
Evgenii Stratonikov
5bdee683e6 cli,compiler: support emitting debug info in a file 2020-04-06 15:30:07 +03:00
Evgenii Stratonikov
5d3da26e1e compiler: support sequence points in debug info 
Sequence points is a way to map a specific instruction offset
from a compiled contract to a text span in a source file.

This commit implements mapping only for `return` statements.
Further improvements are straight-forward.
 2020-04-06 15:30:07 +03:00
Evgenii Stratonikov
24fef35ead compiler: split Compile info sub-functions 
Also add tests for basic debug info.
 2020-04-06 15:30:07 +03:00
Evgenii Stratonikov
00c40b58aa compiler: record basic debug info 
Save info about method's byte-code sections.
 2020-04-06 15:30:06 +03:00
Evgenii Stratonikov
efad66aee1 compiler: make Notify accept varargs 2020-04-06 09:31:09 +03:00
Evgenii Stratonikov
a43c9b9246 compiler: calculate stack size more precisely 
When calculating number of local variables, only
defining assignments (i.e. via `:=`) must be taken into account.
 2020-04-01 17:36:19 +03:00
Evgenii Stratonikov
3cbd138b67 compiler: allow to declare variables of struct type 
Previously, struct variables were initialize with VM's nil value
which is of primitive type. Thus SETITEM used for struct's field
updating wasn't working.
 2020-03-27 13:50:09 +03:00
Evgenii Stratonikov
6baed7a010 compiler: allow to declare slices of compound types 
Previously this declarations were ignored which resulted
in runtime errors, because VM's nil is an element of primitive type
and can't be converted to an array.
 2020-03-27 13:50:09 +03:00
Anna Shaleva
37cb60a0b5 compiler/interop: add missing methods to interop.Iterator 
Add Next() and Value() to interop.Iterator and corresponding syscalls to
compiler
 2020-03-26 16:39:10 +03:00
Evgenii Stratonikov
f0b6f783aa compiler: allow for loops with empty condition 2020-03-26 15:00:14 +03:00