145 lines
4.2 KiB
Markdown
145 lines
4.2 KiB
Markdown
# Changelog
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## TODO
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- Implement functions as first class citizens
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- Implement AST transformation before codegen:
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Create a new AST to represent PHP source code
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and a THP ast -> PHP ast process, so that the
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codegen section can focus only in codegen, not in
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translation of thp->php.
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- Parse __more__ binary operators
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- Store tokens for the semantic analysis phase, to have actual error reporting
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- Parse more complex bindings
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- Watch mode
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- Improve error messages
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- Parse other language constructions
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- Type checking
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- Check for conflicting identifiers
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- Namespace identifiers in the symbol table
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- Stdlib
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- Document code
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- Watch mode
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- Formatter
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- Simple language server
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- Decide how to handle comments in the syntax (?)(should comments mean something like in rust?)
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- Not ignore comments & whitespace, for code formatting
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- Abstract the parsing of datatypes, such that in the future generics can be implemented in a single place
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## v0.0.13
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- [ ] Begin work on a formal grammar
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- [ ] Simplify/rewrite AST
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- [ ] Define the top level constructs
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- [ ] Include the original tokens in the AST
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- [ ] Finish the workflow for a hello world
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- [ ] Refactor code
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- [x] Remove `PARSER couldn't parse any construction` error & replace with an actual error message
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## v0.0.12
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- [x] Infer datatype of an identifier
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- [x] Infer datatype of a binary operatior
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- [x] Infer datatype of unary operator
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- [x] Infer datatype of binary operators
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- [x] Infer Int & Float as different types
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- [x] Execute semantic analysis on the function's block
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- [x] Write tests
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## v0.0.11
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- [x] Parse binding of form `val Type variable = value`
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- [x] Parse binding of form `Type variable = value`
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- [x] Infer datatype of `value` in the above for a simple expression (minimal)
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- [x] Ensure that the anotated datatype matches the datatype of `value` in the above (binding)
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- [x] Infer datatype of a `val variable = value` in the AST: Use the infered datatype (binding)
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- [x] Formally define the top level constructs
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- [x] Parse bindings and function declarations as top level constructs
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- [x] Parse function declaration arguments (`Type id`)
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- [x] Parse function return datatype (`fun f() -> Type`)
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- [x] Return parsing to variables to var/val
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- [x] Write tests
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## v0.0.10
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- [x] Parse function call parameters
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- [x] Codegen function call parameters
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- [x] Begin work on semantic analysis
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- [x] Minimal symbol table
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- [x] Check duplicate function declarations
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- [x] Improve REPL/File compilation code
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- [x] Check binding duplication in it's scope
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- [x] Check function duplication in it's scope
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- [x] Transform simple THP expression into PHP statements
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## v0.0.9
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- [x] Hand-make CLI, remove clap
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- [x] Compile a single file
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- [x] Display error messages during compilation instead of panicking
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- [x] Improve error messages
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- [x] Implement code generation for ast nodes implemented as of now
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## v0.0.8
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- Parse block of code
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- Parse multiple statements inside a block
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- Parse unary operator (`!` & `-`)
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- Parse binary operators
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## v0.0.7
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- Parse minimal function declarations following a grammar
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- Parse function call, binding as statement
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- Parse a statement as body of a function declaration
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## v0.0.6
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- Parse function declarations
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- Parse multiple function declarations
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- Parse multiple bindings
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- Compile from file
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- Emit INDENT & DEDENT tokens
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## v0.0.5
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- Scan single line comments
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- Refactor String token to include double quotes (") in its content
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- Refactor datachecking of semantic analysis
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## v0.0.4
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- Explicit datatype of variables
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- Improve error messages when a syntax error is found (show offending line and offending token)
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- Show different error messages for val/var binding
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## v0.0.3
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- Get datatype of an identifier from the symbol table
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- Improve documentation of the code
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- Simple ASI: insert semicolon after a single or series of new lines
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- The token stream now always ends with a Semicolon and EOF token, regardless of input
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## v0.0.2
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- Compilation of `val` and `var` bindings with a number, string or boolean as value.
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- Register symbols and datatypes in the Symbol table.
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- Add better error messages for lexical errors. Show:
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- Offending line
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- Pointer to offending character
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- Error message
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## v0.0.1
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- Compilation of a `val` binding with a number.
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- Scan all tokens except new lines, indentation.
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