thp/CHANGELOG.md

Changelog

TODO

• Implement functions as first class citizens
• Parse more binary operators
• Parse more complex bindings
• Namespace identifiers in the symbol table
• Stdlib
• Document code
• Watch mode
• Simple language server
• Decide how to handle comments in the syntax (?)(should comments mean something like in rust?)
• Abstract the parsing of datatypes, such that in the future generics can be implemented in a single place
• Begin work on the code formatter
• Remove all panic! and todo!
• Change REPL to execute code only after ;; is found
• Forward the code generated by the REPL to the PHP repl
• Test assignment parsing

v0.1.3

• Test semantic analysis
• Generate php code from current AST
• Test correct operator precedence
• Parse assignments
• Parse dot . operator
• Parse logic operators && ||
• Parse Array access arr[pos]
• Parse namespace operator ::
• Implement subtyping for numbers

v0.1.2

• Parse conditionals
• Parse arrays
• Parse for loops
• Parse while loops
• Typecheck arrays
• Typecheck if/else if/else
• Typecheck for loops
• Typecheck while loops
• Include Ariadne for error reporting
• Migrate lexic errors to new error interface
• Migrate syntax errors to new error interface
• Migrate semantic errors to new error interface

v0.1.1

• Top level expressions as statements
• Naively transpile variable bindings
• Store tokens in the AST, to have actual error reporting
• Scan octal and binary numbers
• Simple type checking
• Check for conflicting identifiers at the current scope
• Semantic check for unary operator
• Semantic check for binary operator
• Enforce new lines after every statement

v0.1.0

• Complete workflow for "Hello world"
• Multiline comments
• Nested multiline comments
• Replace all panics with actual errors
• Remove all old codegen
• Test codegen
• Reenable semantic analysis
• Create minimal type definitions for the stdlib

v0.0.14

• Define a minimal PHP AST
• Transform THP AST into PHP AST
• Implement minimal codegen for the PHP AST
• Finish the workflow for a hello world

v0.0.13

• Begin work on a formal grammar
• Simplify/rewrite AST
• Properly parse expression indentation/dedentation
• Define the top level constructs
• Emit INDENT/DEDENT alone instead of NewLine+INDENT/DEDENT
• Refactor code
• Remove PARSER couldn't parse any construction error & replace with an actual error message

v0.0.12

• Infer datatype of an identifier
• Infer datatype of a binary operatior
• Infer datatype of unary operator
• Infer datatype of binary operators
• Infer Int & Float as different types
• Execute semantic analysis on the function's block
• Write tests

v0.0.11

• Parse binding of form val Type variable = value
• Parse binding of form Type variable = value
• Infer datatype of value in the above for a simple expression (minimal)
• Ensure that the anotated datatype matches the datatype of value in the above (binding)
• Infer datatype of a val variable = value in the AST: Use the infered datatype (binding)
• Formally define the top level constructs
• Parse bindings and function declarations as top level constructs
• Parse function declaration arguments (Type id)
• Parse function return datatype (fun f() -> Type)
• Return parsing to variables to var/val
• Write tests

v0.0.10

• Parse function call parameters
• Codegen function call parameters
• Begin work on semantic analysis
• Minimal symbol table
• Check duplicate function declarations
• Improve REPL/File compilation code
• Check binding duplication in it's scope
• Check function duplication in it's scope
• Transform simple THP expression into PHP statements

v0.0.9

• Hand-make CLI, remove clap
• Compile a single file
• Display error messages during compilation instead of panicking
• Improve error messages
• Implement code generation for ast nodes implemented as of now

v0.0.8

• Parse block of code
• Parse multiple statements inside a block
• Parse unary operator (! & -)
• Parse binary operators

v0.0.7

• Parse minimal function declarations following a grammar
• Parse function call, binding as statement
• Parse a statement as body of a function declaration

v0.0.6

• Parse function declarations
• Parse multiple function declarations
• Parse multiple bindings
• Compile from file
• Emit INDENT & DEDENT tokens

v0.0.5

• Scan single line comments
• Refactor String token to include double quotes (") in its content
• Refactor datachecking of semantic analysis

v0.0.4

• Explicit datatype of variables
• Improve error messages when a syntax error is found (show offending line and offending token)
• Show different error messages for val/var binding

v0.0.3

• Get datatype of an identifier from the symbol table
• Improve documentation of the code
• Simple ASI: insert semicolon after a single or series of new lines
• The token stream now always ends with a Semicolon and EOF token, regardless of input

v0.0.2

• Compilation of val and var bindings with a number, string or boolean as value.
• Register symbols and datatypes in the Symbol table.
• Add better error messages for lexical errors. Show:
  • Offending line
  • Pointer to offending character
  • Error message

v0.0.1

• Compilation of a val binding with a number.
• Scan all tokens except new lines, indentation.