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232 commits

Author SHA1 Message Date
Evgenii Stratonikov
573d1d10c0 cli: add tests for contract command 2020-12-04 11:05:48 +03:00
Evgenii Stratonikov
75a9a42403 compiler: check emitted event names 
Check that all `Notify` invocations in source correspond to some event
in manifest.
Helpful for typos such as `transfer` instead of `Transfer`.
 2020-11-26 13:49:58 +03:00
Evgenii Stratonikov
1f2d76a1c2 compiler: fix manifest method offset 
While optimizing jumps, old offsets should be compared
with the method offset before optimization, not with
the constantly changing value.
 2020-10-14 15:04:33 +03:00
Evgenii Stratonikov
c4a8770215 compiler: support _deploy method 2020-10-06 19:12:35 +03:00
Evgenii Stratonikov
6701e8cda0 compiler: allow to use local variables in init() 
Because body of multiple `init()` functions constitute single
method in contract, we initialize slot with maximum amount of
locals encounterered in any of `init()` functions and clear them
before emitting body of each instance of `init()`.
 2020-10-06 19:08:32 +03:00
Evgenii Stratonikov
b2a3a0851e emit: accept multiple opcodes in Opcode() 2020-10-06 18:03:25 +03:00
Evgenii Stratonikov
5f3b8c6d51 compiler: allow variables in byte-slice literals 2020-09-24 20:20:34 +03:00
Roman Khimov
5f22bdfecf
Merge pull request #1375 from nspcc-dev/compiler/types 
Smartcontract types definition in interops
 2020-09-16 14:43:50 +03:00
Evgenii Stratonikov
bcc11cbd74 compiler: support removing slice elements 
Go-way of removing elements from slice is via `append` builtin.
There is a separate opcode for removing elements from
Arrays, which is cheaper and supported in this commit.
 2020-09-15 16:33:43 +03:00
Evgenii Stratonikov
78948ef7af compiler: emit error for non-byte subslices 
They are not supported for now, as VM has only
`SUBSTR` opcode for Buffers (`[]byte` in Go).
 2020-09-15 16:21:44 +03:00
Evgenii Stratonikov
37f7363386 interop: return struct pointers where needed 
`Transaction`, `Block` and `Contract` are represented as
`Array`s in VM, so we must return pointers.

Revert a1f98f92.
 2020-09-09 13:10:04 +03:00
Evgenii Stratonikov
7483e3b054 compiler: support delete() builtin 2020-09-06 15:49:41 +03:00
Evgenii Stratonikov
18369c489e compiler: do not allocate slotes for unused "_" vars 2020-09-06 15:27:46 +03:00
Evgenii Stratonikov
3af7ce8c6b compiler: allow to use copy() return value 2020-09-02 15:29:59 +03:00
Evgenii Stratonikov
3d8c7af66c compiler: handle void call to recover() 
Other builtins such as `len` and `make` can be ignored,
because not-assigning `make` result is catched by parser.
 2020-09-02 15:20:43 +03:00
Evgenii Stratonikov
5d82b82efb compiler: support recover() 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
14ea3c2228 compiler: do not log panic message 
In NEO3 THROW accepts an argument and exceptions can be handled, so
there is no need to log it.
 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
fa1d1a8b00 compiler: support defer statement 
Compile `defer` statement to a TRY/ENDFINALLY opcode pair.
 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
84c36326f5 compiler: allow init statement in if 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
d73f3cd24c compiler: support calling function literals 2020-08-27 10:28:50 +03:00
Roman Khimov
962f45f35e
Merge pull request #1361 from nspcc-dev/feature/iota 
compiler: support `iota`
 2020-08-25 15:50:20 +03:00
Evgenii Stratonikov
05ef951055 compiler: support iota 2020-08-25 10:22:58 +03:00
Roman Khimov
a1fbe51bca
Merge pull request #1352 from nspcc-dev/compiler/make 
Fix MEMCPY, support `copy` and `make` in compiler
 2020-08-25 09:33:16 +03:00
Evgenii Stratonikov
69989e1227 compiler: support copy() 2020-08-25 08:53:29 +03:00
Evgenii Stratonikov
0f11116040 compiler: support make() 2020-08-25 08:53:28 +03:00
Evgenii Stratonikov
354645fbe3 compiler: allow to use switch without tag 2020-08-24 19:35:25 +03:00
Evgenii Stratonikov
e58616b975 compiler: drop unused call results 
Close #683.
 2020-08-24 19:34:51 +03:00
Evgenii Stratonikov
9dc3edf351 compiler: make use of extended JMP* opcodes 2020-08-24 11:19:54 +03:00
Evgenii Stratonikov
51f3baf68e compiler: refactor BinaryExpr handling 
Reuse code between if conditions and expression context.
 2020-08-24 09:46:11 +03:00
Evgenii Stratonikov
4d04c56efb compiler: make toShortForm accept an opcode 2020-08-24 09:44:44 +03:00
Evgenii Stratonikov
1be1b8de9e compiler: merge && and || processing 2020-08-24 09:44:44 +03:00
Evgenii Stratonikov
59367c96d1 compiler: allow to use += on strings 2020-08-24 09:44:44 +03:00
Evgenii Stratonikov
fd7af77895 compiler: refactor convertToken func 
Move `getEqualityOpcode` into `convertToken`.
`convertToken` does not need codegen.
 2020-08-24 09:44:44 +03:00
Evgenii Stratonikov
ae88c77a8a compiler: process nil comparisons separately 2020-08-24 09:44:16 +03:00
Evgenii Stratonikov
e4af295080 compiler: process constant first in BinaryExpr handling 2020-08-23 12:24:03 +03:00
Evgenii Stratonikov
2b73508561 compiler: emit short jumps while short-circuiting 
Unless there is some `ast.Walk` between current instruction and jump
target, we can calculate the offset precisely.
 2020-08-21 09:43:05 +03:00
Evgenii Stratonikov
984aba3113 compiler: process last instructin in writeJumps 
It is unlikely that we will emit a script with a JMP in the end,
but `writeJumps` must work correctly even in such case.
 2020-08-21 09:43:05 +03:00
Evgenii Stratonikov
cfa62e7051 compiler: emit short jumps where possible 
Convert long jumps to short ones if the offset
can be represented in a single byte.

Close #805.
 2020-08-21 09:43:05 +03:00
Evgenii Stratonikov
181569c2a1 compiler: allow to alias interop packages 
Fix #397.
 2020-08-19 10:13:36 +03:00
Evgenii Stratonikov
7854dcfd8f core: replace interop names with named constants 2020-08-14 14:21:54 +03:00
Evgenii Stratonikov
553e57c2c4 compiler: make sequence points on global var/const declarations 2020-08-11 11:12:30 +03:00
Evgenii Stratonikov
40fa7c0f6e compiler: emit all used files in DebugInfo.Documents 2020-08-11 11:12:29 +03:00
Roman Khimov
e1d3223505
Merge pull request #1247 from nspcc-dev/feature/pointers 
Support pointers in compiler
 2020-08-06 13:53:08 +03:00
Evgenii Stratonikov
f2107bfbc4 compiler: copy structs when passing as arguments 
In Go structs must be copied when used as arguments.
To do so we must clone struct on VM level.
This is done by appending this struct to an intermediate array.
 2020-08-05 13:14:38 +03:00
Evgenii Stratonikov
4488f61777 compiler: compile init even if there are no globals 
`init` can be useful even if no globals are present,
e.g. we can use some syscall inside.
 2020-08-05 12:59:53 +03:00
Evgenii Stratonikov
6f2759be3a compiler: process packages in deterministic order 2020-08-05 11:00:25 +03:00
Evgenii Stratonikov
b771d2d024 compiler: allow to use init function 
Process `init()` functions after global variables has been processed.
It's body is saved into the `_initialize` method where all
initialization is performed.
 2020-08-05 11:00:25 +03:00
Evgenii Stratonikov
d54c60ded3 compiler: support pointer dereferencing for structs 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-08-04 11:14:07 +03:00
Evgenii Stratonikov
eb047b12a7 compiler: support creating pointers to struct 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-08-04 11:14:07 +03:00
Evgenii Stratonikov
a781d299e0 compiler: use fully-qualified names for tracking functions 
Function name now consists of 3 parts:
1) full package path
2) method receiver type (if any)
3) function name itself .

Fix #1150.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 12:07:06 +03:00
Evgenii Stratonikov
528c184f00 compiler: allow to use exported constants 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 12:06:42 +03:00
Evgenii Stratonikov
6df019913d compiler: allow to use exported variables 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 12:06:42 +03:00
Evgenii Stratonikov
b8d7e93459 compiler: make ForEachFile accept a package 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 12:06:42 +03:00
Evgenii Stratonikov
7009417325 compiler: allow to declare global variables in multiple files 
Traverse and count globals across all used files.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 12:06:42 +03:00
Evgenii Stratonikov
685d44dbc1 *: support _initialize method in contracts 
Invoke `_initialize` method on every call if present.
In NEO3 there is no entrypoint and methods are invoked by offset,
thus `Main` function is no longer required.
We still have special `Main` method in tests to simplify them.
 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
d2ddf7b7cb *: support invoking methods by offset 
Allow to invoke methods by offset:
1. Every invoked contract must have manifest.
2. Check arguments count on invocation.
3. Change AppCall to a regular syscall.
4. Add test suite for `System.Contract.Call`.
 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
e87eba51f9 compiler: emit bytecode for unused exported functions 
Exported functions should always be present in byte-code.
This will be needed later when arbitrary method calls are allowed.
 2020-07-27 13:00:35 +03:00
Roman Khimov
2800179ce0
Merge pull request #1226 from nspcc-dev/fix/pusha 
vm: make offset in PUSHA relative
 2020-07-23 23:40:21 +03:00
Evgenii Stratonikov
b8843a2dfa vm: make offset in PUSHA relative 
Follow neo-project/neo-vm#317 .
 2020-07-23 13:07:30 +03:00
Anna Shaleva
2bbe218547 compiler: move SHA256 from builtins to syscalls 
Now it can be processed as a normal syscall.
 2020-07-22 16:58:32 +03:00
Anna Shaleva
a1f98f92fe compiler: add ConvertResultToStruct flag 
Part of #1055.

There'll be a lot of interops which result with a struct on stack instead
of interop interface, and sometimes their names are the same, so it's
unrelyable to take into account interop name only and don't pay
attention to it's API (package).

Also sort syscalls by package and name.
 2020-07-17 08:19:43 +03:00
Anna Shaleva
c4f7b06974 core, compiler: return struct from GetScriptContainer interop 
Closes #1173
 2020-07-14 06:04:48 +03:00
Roman Khimov
bc1d6791b9 compiler: allow to append multiple elements 2020-07-09 13:59:43 +03:00
Roman Khimov
76925fe3e0 compiler: slices must default to nil 2020-07-09 13:07:21 +03:00
Roman Khimov
eee8ac1655 compiler: fix initialization of struct fields, fix #1164 
Make `s{}` initializers work. Deduplicate code a bit along the way. The test
added follows bf6aa02dcf test.
 2020-07-09 12:27:21 +03:00
Anna Shaleva
56a5c9db11 compiler: compile appcall with dynamic argument 
Closes #1160
 2020-07-08 19:49:14 +03:00
Roman Khimov
ebe37d1a46 compiler: check for NULL when calculating len(), fix #1153 2020-07-07 21:49:21 +03:00
Anna Shaleva
c3a0998cae compiler: fix bug in codegen 
Main function (as far as the others uncknown to codegen at the moment of
`convertFuncDecl`) didn't have package set. Fixed.
 2020-07-07 13:28:38 +03:00
Evgenii Stratonikov
26cfae7c9a compiler: support shadowing via Block statements 2020-06-30 10:31:52 +03:00
Evgenii Stratonikov
40bacc6775 compiler: support variable shadowing 
Closes #1131.
 2020-06-30 10:31:52 +03:00
Evgenii Stratonikov
1ee4acbdbc compiler: manage variables in a separate varScope struct 
Abstract var scope management from the funcScope.
 2020-06-30 10:31:51 +03:00
Evgenii Stratonikov
057e1e2806 compiler: support ... variadic calls 2020-06-27 10:42:30 +03:00
Evgenii Stratonikov
a88ac44147 compiler: support variadic function definitions 
Pack variadic arguments into a slice. This currently doen't work with
byte slices though.
 2020-06-26 20:05:10 +03:00
Roman Khimov
9ca87855a6
Merge pull request #1101 from nspcc-dev/feature/convert 
Support type conversions
 2020-06-25 18:30:03 +03:00
Evgenii Stratonikov
6ddaed3927 compiler: allow to omit struct field names in literals 2020-06-24 19:33:58 +03:00
Evgenii Stratonikov
5a615d8178 compiler: allow to omit types for nested slices 2020-06-24 19:25:08 +03:00
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
Roman Khimov
53f2e130c0
Merge pull request #1100 from nspcc-dev/neo3/compiler/dbgjson 
compiler: update debug.json format
 2020-06-24 18:35:08 +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
Anna Shaleva
4d07d72677 compiler: add Hash to debug info 
part of #1088
 2020-06-24 16:50:34 +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