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ChangeLog for Anole

0.0.24 - 2021/12/12

Changed

  • Regard { ... } as @{ ... }() now
  • Edit CMakeLists.txt to support MacOS simply

Fixed

  • Fix code bug when std::size_t is not same to std::uint64_t
  • Fix bug when inputting ;;; in the REPL

0.0.23 - 2021/02/13

Added

  • Improve declaration with new syntax @[a, b], c: [1, 2], 3;, see FEATURE#50
  • Empty parameters can be omitted. For example, @: 42 is a lambda expression

Changed

  • return val1, val2; equals return [val1, val2]; now
  • Use => expr instead of } else expr for the else-expr of match-expr, see FEATURE#33
  • Returning multi values in lambda-expression must be explicit by writing [ret1, ..., retn], see FEATURE#54

Removed

  • Discard feature direct-return-multi-value, see DISCARD#49
  • Disable using single statement as block by , stmt;

0.0.22 - 2021/01/24

Added

  • Make sure that all files will be executed once if default

Changed

  • Only Anole modules can be imported by simple name now
  • Cpp modules must be imported by using their direct paths
  • Instruction ImportAll is unary operation now

Updated

  • Improve the performance of REPL
  • Improve the error information of non-defined variables which may cause segmentation fault
  • Make sure all paths could be finded correctly
  • Support using sub-modules/components directly now, see ENHANCEMENT#27

Fixed

  • Fix the bug caused by no-block-scope when using nested foreach-stmt, see more in BUG#40

Removed

  • Remove instruction ImportAllPath

0.0.21 - 2020/11/24

Added

  • Instructions EndScope/BuildClass for creating class-objects
  • New builtin objects such as ClassObject, InstanceObject and MethodObject to support OOP
  • Support OOP mentioned in PROPOSAL#20 now!!!
  • Instruction FastPop to replace old Pop
  • Enable calling ctors inherited from base classes by using bctors in __init__

Changed

  • Return statement can return nothing now by return ;
  • Instruction Pop will pop the number determined by CallAc

Updated

  • Improve parser by modifying a few redundant structures
  • Use include-guards instead of #pragma once which was mentioned in ENHANCEMENT#22

Fixed

  • Fix bug in checking type of token

Removed

  • Remove OLD things about class such as class-declaration, new-expression and so on

0.0.20 - 2020/09/20

Changed

  • Apply the new design of GC mentioned in issue-13 and fix the bug mentioned in issue-14 in consequence

0.0.19 - 2020/09/02

Added

  • Support block comment by using a pair of '$'

Updated

  • Context uses clearer interfaces push*/pop*

Changed

  • Modify the directory structure of Anole

Fixed

  • Fix bug about GC when calling function-like objects

0.0.18 - 2020/08/20

Added

  • Anole has GC now!!!
  • Built-in function type to get the type literal of the given value

Updated

  • Default = and != will compare address of given objects directly

Fixed

  • Custom objects in module can add their own types and the corresponding literals

0.0.17 - 2020/08/07

Added

  • Add magic number in the head of .ir file to stand for the version of IR
  • Add command-line argument --version to print the version of anole

0.0.16 - 2020/07/28

Added

  • Support use direct path of module like use * from "/path/to/module", use "/path/to/module" as mod and use part as alias from "/path/to/module"
  • Instructions ImportPath/ImportAllPath to use module with its path directly
  • Instructions ReturnAc/Return to hold all return situations
  • Instruction FastCall for call expression without arguments
  • Instruction ReturnNone for implicit return none

Updated

  • Dict will create an empty target if the given key is not recorded

Changed

  • Rename Instructions CallExAnchor/CallEx to CallAc/Call

Removed

  • Remove old Instructions Call/CallTail/CallExTail/Return because call expression may return multi values and there are many complex situation

0.0.15 - 2020/07/17

Added

  • Support multi ret-vals such as return expr1, ..., exprn, @(): expr1, ..., exprn
  • Supoprt multi vars-decl like @var1, ..., varn or @var1, ..., varn: expr1, ..., exprn
  • Multi ret-vals will be flated on where the call expr appears. For example, return ..., foo(...) is equivalent to return ..., expr1, ..., exprn after foo(...) is called. The call expr with multi ret-vals also can appear in multi vars-decl and as argument of other function, and then it will be flated also
  • Enale prefix operator receiving call expr with multi-ret-vals like cstm_preop foo(...) with foo(...): expr1, ..., exprn

Changed

  • Ins Return has an oprand for the number of values to return now
  • Enable packed parameter be reference as ...&name, notice that it is an old feature and just not mention before

0.0.14 - 2020/06/17

Updated

  • Use gtest instead of the old simple test to make test
  • Builtin function will get the number of arguments when it is called
  • Paramemter without default value cannot follow parameter with default value
  • Packed parameter should be the last parameter in function declaration
  • Update grammar for packed parameter from name... to ...name

Added

  • Instructions CallEx/CallExTail for call with unpacked argument
  • Add check when calling with less arguments

Changed

  • Instruction CallAnchor is renamed to CallExAnchor
  • Instructions Call/CallTail have a oprand for the number of arguments
  • No default value for parameter which is not given now, it is none in the past

Fixed

  • Packed parameter will be empty list if it is not given arguments
  • Packed parameter cannot have default value now

0.0.13 - 2020/06/11

Updated

  • Delay expression can store its computed value now

Changed

  • Use dict {} instead of '{}' for dict expr, '{}' will be considered as lambda expression with no parameters
  • Support variadic parameters and arguments with ...
  • Call/CallTail without arguments number now

Added

  • New insturctions Pack/Unpack for variadic parameters and arguments
  • New instruction ThunkOver to support storing computed value for delay expression

0.0.12 - 2020/06/05

Added

  • Support use list in foreach statement directly
  • Method to_str for integer object

Fixed

  • Fix bug that old eval function which will skip the first opcode
  • Fix bug in parsing user defined unary operators

Changed

  • Binary operators are left-associative instead of right-associative now
  • Built-in method will contain a shared pointer of its object

0.0.11 - 2020/04/24

Added

  • Insturction AddPrefixOp to make identifier as prefix operator
  • Support custom unary operators now

Updated

  • Rewrite some code to make anole faster

Changed

  • Use ObjectType instead of dynamic_cast to distinguish different objects
  • Default compile mode is static now

Fixed

  • Context can traceback to the correct origin when meeting compile-error in REPL mode

Removed

  • Instruction ScopeEnd
  • Remove support of block scope new :(

0.0.10 - 2020/04/20

Added

  • Instruction StoreRef
  • Support pass-by-reference now with syntax @(&parameter) { ... }
  • Support declare a variable as reference

Changed

  • Function will return the reference instead of rebinding the object to a temporary variable
  • Keyboard interrupt will cancel the inputing of current statement instead of current line

Fixed

  • Fix bug when module's code has definitions of custom operators, actions are interpreting each statement immediately after it is parsed instead of interpreting statements after all are parsed

0.0.9 - 2020/04/17

Added

  • Insturction AddInfixOp to make identifier as infix operator
  • Support custom operators and priorities
  • Demo to define custom operators

Changed

  • The non-REPL will interpret statement while it is parsed instead of execute after parsing all statements

0.0.8 - 2020/04/14

Changed

  • Rename to Anole

0.0.7 - 2020/04/12

Added

  • Complete the codegen of foreach
  • Add the example of using foreach

Changed

  • Use unique_ptr instead of shared_ptr in AST

Removed

  • Remove the old support for for stmt
  • Remove old testers for tokenizer and parser

0.0.6 - 2020/04/10

Added

  • IR will be stored as *.icei

Updated

  • Code will unserialize from the IR file if the IR file is newer than the corresponding source file

Fixed

  • Fix bug that context cannot traceback when interpreting modules

0.0.5 - 2020/04/09

Added

  • Support traceback when meeting runtime error
  • CompileError/RuntimeError to distinguish the two exceptions

Updated

  • Runtime error will show the running position

0.0.4 - 2020/04/08

Added

  • Methods tellg/tellp, seekg/seekp, good and eof for fileobject
  • Support enum { [ident [: integer]]* }

Changed

  • Coroutine as a library now rather than the example
  • Suffix from .anole to .icec

0.0.3 - 2020/04/07

Added

  • Support history at REPL mode
  • Prompt undefined symbol with its name
  • Directory lib/ for standard libraries
  • Add standard library file
  • Instructions to support binary operations now

Updated

  • Parser could parse binary operations now

Changed

  • Console will wait for new input after inputing Ctrl ^ C

Fixed

  • Exit rather than infinite loop when receiving Ctrl ^ D
  • Fix bug in modules finding

0.0.2 - 2020/04/04

Added

  • Keyword from to use in use stmt
  • Instruction Import, ImportPart and ImportAll to support use statement

Changed

  • Update use ident to use (ident [as ident]) [, ident [as ident]]* [from (ident)] or use * from (ident)
  • Use statement can import module from .so files
  • Module can be defined as a directory

Removed

  • Instruction Use

0.0.1 - 2020/04/01

Added

  • This ChangeLog file to document changes of Anole

Removed

  • The origin ChangeLog in README.md
  • The Samples.md, because I plan to write some docs later and you can learn something about how to use Anole by examples in example/

0.0.0

Others

  • Groundbreak! Everything already exists!