mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
8.4 KiB
8.4 KiB
Features:
- Fixed point types (in progress)
Bugfixes:
0.3.6 (2016-08-10)
Features:
- Formal verification: Take external effects on a contract into account.
- Type Checker: Warning about unused return value of low-level calls and send.
- Output: Source location and node id as part of AST output
- Output: Source location mappings for bytecode
- Output: Formal verification as part of json compiler output.
Bugfixes:
- Commandline Interface: Do not crash if input is taken from stdin.
- Scanner: Correctly support unicode escape codes in strings.
- JSON output: Fix error about relative / absolute source file names.
- JSON output: Fix error about invalid utf8 strings.
- Code Generator: Dynamic allocation of empty array caused infinite loop.
- Code Generator: Correctly calculate gas requirements for memcpy precompile.
- Optimizer: Clear known state if two code paths are joined.
0.3.5 (2016-06-10)
Features:
- Context-dependent path remappings (different modules can use the same library in different versions)
Bugfixes:
- Type Checking: Dynamic return types were removed when fetching data from external calls, now they are replaced by an "unusable" type.
- Type Checking: Overrides by constructors were considered making a function non-abstract.
0.3.4 (2016-05-31)
No change outside documentation.
0.3.3 (2016-05-27)
- Allow internal library functions to be called (by "inlining")
- Fractional/rational constants (only usable with fixed point types, which are still in progress)
- Inline assembly has access to internal functions (as jump labels)
- Running
solc
without arguments on a terminal will print help. - Bugfix: Remove some non-determinism in code generation.
- Bugfix: Corrected usage of not / bnot / iszero in inline assembly
- Bugfix: Correctly clean bytesNN types before comparison
0.3.2 (2016-04-18)
- Bugfix: Inline assembly parser:
byte
opcode was unusable - Bugfix: Error reporting: tokens for variably-sized types were not converted to string properly
- Bugfix: Dynamic arrays of structs were not deleted correctly.
- Bugfix: Static arrays in constructor parameter list were not decoded correctly.
0.3.1 (2016-03-31)
- Inline assembly
- Bugfix: Code generation: array access with narrow types did not clean higher order bits
- Bugfix: Error reporting: error reporting with unknown source location caused a crash
0.3.0 (2016-03-11)
BREAKING CHANGES:
- Added new keywords
assembly
,foreign
,fixed
,ufixed
,fixedNxM
,ufixedNxM
(for various values of M and N),timestamp
- Number constant division does not round to integer, but to a fixed point type (e.g.
1 / 2 != 1
, but1 / 2 == 0.5
). - Library calls now default to use DELEGATECALL (e.g. called library functions see the same value as the calling function for
msg.value
andmsg.sender
). <address>.delegatecall
as a low-level calling interface
Bugfixes:
- Fixed a bug in the optimizer that resulted in comparisons being wrong.
0.2.2 (2016-02-17)
- Index access for types
bytes1
, ...,bytes32
(only read access for now). - Bugfix: Type checker crash for wrong number of base constructor parameters.
0.2.1 (2016-01-30)
- Inline arrays, i.e.
var y = [1,x,f()];
if there is a common type for1
,x
andf()
. Note that the result is always a fixed-length memory array and conversion to dynamic-length memory arrays is not yet possible. - Import similar to ECMAScript6 import (
import "abc.sol" as d
andimport {x, y} from "abc.sol"
). - Commandline compiler solc automatically resolves missing imports and allows for "include directories".
- Conditional:
x ? y : z
- Bugfix: Fixed several bugs where the optimizer generated invalid code.
- Bugfix: Enums and structs were not accessible to other contracts.
- Bugfix: Fixed segfault connected to function paramater types, appeared during gas estimation.
- Bugfix: Type checker crash for wrong number of base constructor parameters.
- Bugfix: Allow function overloads with different array types.
- Bugfix: Allow assignments of type
(x) = 7
. - Bugfix: Type
uint176
was not available. - Bugfix: Fixed crash during type checking concerning constructor calls.
- Bugfix: Fixed crash during code generation concerning invalid accessors for struct types.
- Bugfix: Fixed crash during code generating concerning computing a hash of a struct type.
0.2.0 (2015-12-02)
- Breaking Change:
new ContractName.value(10)()
has to be written as(new ContractName).value(10)()
- Added
selfdestruct
as an alias forsuicide
. - Allocation of memory arrays using
new
. - Binding library functions to types via
using x for y
addmod
andmulmod
(modular addition and modular multiplication with arbitrary intermediate precision)- Bugfix: Constructor arguments of fixed array type were not read correctly.
- Bugfix: Memory allocation of structs containing arrays or strings.
- Bugfix: Data location for explicit memory parameters in libraries was set to storage.
0.1.7 (2015-11-17)
- Improved error messages for unexpected tokens.
- Proof-of-concept transcompilation to why3 for formal verification of contracts.
- Bugfix: Arrays (also strings) as indexed parameters of events.
- Bugfix: Writing to elements of
bytes
orstring
overwrite others. - Bugfix: "Successor block not found" on Windows.
- Bugfix: Using string literals in tuples.
- Bugfix: Cope with invalid commit hash in version for libraries.
- Bugfix: Some test framework fixes on windows.
0.1.6 (2015-10-16)
.push()
for dynamic storage arrays.- Tuple expressions (
(1,2,3)
orreturn (1,2,3);
) - Declaration and assignment of multiple variables (
var (x,y,) = (1,2,3,4,5);
orvar (x,y) = f();
) - Destructuring assignment (
(x,y,) = (1,2,3)
) - Bugfix: Internal error about usage of library function with invalid types.
- Bugfix: Correctly parse
Library.structType a
at statement level. - Bugfix: Correctly report source locations of parenthesized expressions (as part of "tuple" story).
0.1.5 (2015-10-07)
- Breaking change in storage encoding: Encode short byte arrays and strings together with their length in storage.
- Report warnings
- Allow storage reference types for public library functions.
- Access to types declared in other contracts and libraries via
.
. - Version stamp at beginning of runtime bytecode of libraries.
- Bugfix: Problem with initialized string state variables and dynamic data in constructor.
- Bugfix: Resolve dependencies concerning
new
automatically. - Bugfix: Allow four indexed arguments for anonymous events.
- Bugfix: Detect too large integer constants in functions that accept arbitrary parameters.
0.1.4 (2015-09-30)
- Bugfix: Returning fixed-size arrays.
- Bugfix: combined-json output of solc.
- Bugfix: Accessing fixed-size array return values.
- Bugfix: Disallow assignment from literal strings to storage pointers.
- Refactoring: Move type checking into its own module.
0.1.3 (2015-09-25)
throw
statement.- Libraries that contain functions which are called via CALLCODE.
- Linker stage for compiler to insert other contract's addresses (used for libraries).
- Compiler option to output runtime part of contracts.
- Compile-time out of bounds check for access to fixed-size arrays by integer constants.
- Version string includes libevmasm/libethereum's version (contains the optimizer).
- Bugfix: Accessors for constant public state variables.
- Bugfix: Propagate exceptions in clone contracts.
- Bugfix: Empty single-line comments are now treated properly.
- Bugfix: Properly check the number of indexed arguments for events.
- Bugfix: Strings in struct constructors.
0.1.2 (2015-08-20)
- Improved commandline interface.
- Explicit conversion between
bytes
andstring
. - Bugfix: Value transfer used in clone contracts.
- Bugfix: Problem with strings as mapping keys.
- Bugfix: Prevent usage of some operators.
0.1.1 (2015-08-04)
- Strings can be used as mapping keys.
- Clone contracts.
- Mapping members are skipped for structs in memory.
- Use only a single stack slot for storage references.
- Improved error message for wrong argument count. (#2456)
- Bugfix: Fix comparison between
bytesXX
types. (#2087) - Bugfix: Do not allow floats for integer literals. (#2078)
- Bugfix: Some problem with many local variables. (#2478)
- Bugfix: Correctly initialise
string
andbytes
state variables. - Bugfix: Correctly compute gas requirements for callcode.