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macro_prototype.txt
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macro_prototype.txt
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// todo make all non byte strings byte strings
// todo: formatter should be able to format macros, a macro can define what formatting to use
// builtins
builtin patten Symbol
buitin rule peek
builtin rule
// keywords
pattern
template
statement
group
namespace
rule
for
while
loop
if
else
elif
switch
case
default
// primitives
char // char
u32 // uint
i32 // int
f32 // float
string // custom string struct
u64 // u64
i64 // i64
bool // u8
// range
let custom_range<u32> = range(start,end) -> range<u32>
// array
let customArray:array<u32, 10> = [1,2,3,4,5,6,7,8,9,10];
let customInclusiveSlice:slice<u32> = customArray[1, 5];
let customSlice:slice<u32> = customArray[1, 5];
let customVector:array<u64, 100> = [1,2,3,4,5,6,7,8,9,10];
vector/array/slice = len() -> u32
vector/array/slice = at(index:u32) -> T
vector/array/slice = front() also start() -> u32
vector/array/slice = back() also end() -> u32
vector/array/slice = slice_range(range:range<u32>) -> slice<>
vector/array/slice = slice(start:u32,end:u32)
vector = push_back(element)
vector = pop_back()
slice = slide(amount:i32)
for i in range(customArray.start(),customArray.end()) {
print(customArray.at(i));
}
// operators
| // bitwise or
|| // or
& // bitwise and
&& // and
^ // bitwise xor
! // not
<< // shift left
>> // shift right
+ // add
- // subtract
* // multiply
/ // divide
% // modulo
== // equal
!= // not equal
< // less than
> // greater than
<= // less than or equal
>= // greater than or equal
= // assign
. // access
: // type
:: // namespace
? // optional
-> // return
// pattern ops
template Delimit(start: Literal, middle: Pattern, end?: Literal = start)-> Pattern {
start middle end
}
// [1,2,3,4,5]
template SquareBrackets(middle:Pattern) {
Delimit(b'[',middle,b']')
};
abstract template Seperation
// 1,2,3,4,5
//
template SeparatedList(pattern:Pattern, separator:Pattern, optional_trailing:bool) -> Pattern {
repeat(pattern separator)
if optional_trailing {
?pattern
}
}
builtin rule repeat(pattern:Pattern) {
loop {
match(pattern)
}
}
builtin fn ReadBack() -> char: {
return global::HeadLocation-1;
}
builtin fn Read() -> char: {
return global::HeadLocation;
}
builtin rule start_of_line() {
if ReadBack() == '\n' {
return true
}
return false
}
abstract template Delimit(start: Pattern, middle: Pattern, end: Pattern = start)-> Pattern {
start middle end
}
abstract template Parentheses(middle:Pattern) -> {
Delimit(b'(',middle,b')')
};
template SeparatedList(pattern:Pattern, separator:Pattern, optional_trailing:bool) -> Pattern {
repeat(pattern separator)
if optional_trailing {
?pattern
}
}
template RoundList(middle:Pattern) -> {
pattern comma_seperated = SeparatedList(self::middle, b',', true);
Parentheses(comma_seperated);
}
pattern Type...;
pattern TupleTypeDefinition = RoundList(Type);
rule IsAscii(loc:char) -> bool {
if loc > 127 {
return false
}
return true
}
rule IsAlpha(loc:char) -> bool {
if (loc in range('A','Z') | range('a','z')) {
return true
}
if (loc in ) {
return true
}
return false
}
rule IsNumeric(loc:char) -> bool {
if (loc in range('0','9')) {
return true
}
return false
}
rule IsAlphaNumeric(loc:char) -> bool {
return IsAlpha(loc) || IsNumeric(loc)
}
pattern Symbol
rule Negate() -> {
if (peek() != '-') {
return false
}
next_pass {
var currentLocation:u64 = global::HeadLocation;
if (ReadToken(currentLocation+1) == Symbol && ReadToken(currentLocation-1) != Symbol) {
return true
}
else {
return false
}
}
}
builtin type PatternSequence
abstract template BasicCapture<a, b, c = a> {
a b c
};
pattern SquareBrackets : BasicCapture<'[', any, ']'> {}
delimiters: b'{' | b'}' | b'(' | b')' | b';' | b'!' | b'=' | b'|'|b':'|b','|b'<'|b'>' | b'?'|b'.',
// two char delimeters
newline: b'\n',
other_whitespace: b'\t' | b0xC | b'\r' | b' ',
whitespace: other_whitespace!() | newline!(),
// can use raw num bytes
any: 0..=255,
group keyword {
// Control Flow
statement Something: Keyword = "SomethingValue"
pattern Keyword {
ident: Identifier,
Keyword() -> {
self::ident ansi::Whitespace
}
}
/// The if keyword
statement IF:Keyword = Keyword("if");
statement UNLESS:Keyword = "unless"; /// The unless keyword, like elif
statement ELIF:Keyword = "elif"; /// The else keyword
statement ELSE:Keyword = "else"; /// The else keyword
// Loops
statement WHILE:Keyword = "while"; /// The while keyword
statement FOR:Keyword = "for"; /// The for keyword
statement LOOP:Keyword = "loop"; /// An endless loop
// Pattern Matching
statement CASE:Keyword = "case"; /// The case keyword
statement DEFAULT:Keyword = "default"; /// The default keyword
statement MATCH:Keyword = "match" /// The match keyword
statement SWITCH:Keyword = "switch"; /// The switch keyword
// Loop Control
statement BREAK:Keyword = "break"; /// The break keyword
statement CONTINUE:Keyword = "continue"; /// The continue keyword
// Function Declaration
statement FUNCTION:Keyword = "fn"; /// The function keyword
statement ANONYMOUS_FUNCTION:Keyword = "lambda"; /// The lambda keyword
// Threading
statement THREAD:Keyword = "thread"; /// The thread keyword
statement TENSOR:Keyword = "tensor"; /// The tensor keyword
// Meta Programming
statement MACRO:Keyword = "macro"; /// The macro keyword
statement OPERATOR:Keyword = "op"; /// The operator keyword
// Function Modifier
statement ASYNC:Keyword = "async"; /// Denotes an asynchronous function
statement DELEGATE:Keyword = "delegate"; /// The delegate keyword
statement INLINE:Keyword = "inline"; /// Denotes an inline function
// Function Control
statement RETURN:Keyword = "return"; /// Returns a value from a function
// Data Structures
statement CLASS:Keyword = "class"; /// The class keyword
statement STRUCT:Keyword = "struct"; /// A type structure without methods
statement ENUM:Keyword = "enum"; /// An enum
statement UNION:Keyword = "union"; /// A union
// Type Declarations
statement INTERFACE:Keyword = "interface"; /// An interface without default methods
statement ABSTRACT:Keyword = "abstract"; /// An interface with default methods
statement TYPE_ALIAS:Keyword = "type"; /// A type alias
// Type Handling
statement TYPEOF:Keyword = "typeof"; /// Returns the type of a variable
statement SIZEOF:Keyword = "sizeof"; /// Returns the size of a type in bytes
statement INSTANCE_OF:Keyword = "instance_of"; /// Checks if a variable is an instance of a type
// Error Handling
statement TRY:Keyword = "try"; /// The try keyword
statement CATCH:Keyword = "catch"; /// The catch keyword
statement EXCEPT:Keyword = "except"; /// The except keyword
statement FINALLY:Keyword = "finally"; /// The finally keyword
statement THROW:Keyword = "throw"; /// Throws an error
// Core
statement WITH:Keyword = "with"; /// The with keyword
// Access Modifier
statement PRIVATE:Keyword = "private"; /// Accessible from a data structure only
statement PROTECTED:Keyword = "protected"; /// Accessible from a data structure and its children
statement PUBLIC:Keyword = "public"; /// Accessible from anywhere
statement CONST:Keyword = "const"; /// A compile time constant
statement FINAL:Keyword = "final"; /// A runtime constant, once set cannot be changed
statement STATIC:Keyword = "static"; /// Denotes interior mutability
statement UNDEF:Keyword = "undef"; /// Notates Undefined Behavior
// Variable Declaration
statement LET:Keyword = "let"; /// A mutable variable
statement VAR:Keyword = "var"; /// The var keyword
// Assignment modifiers
statement AUTO:Keyword = "auto"; /// A variable with automatic type inference, let auto x = 3;
statement AWAIT:Keyword = "await"; /// Waits for an asynchronous future to complete when assigned to a variable, let await x = async_fn();
// Module Import
statement IMPORT:Keyword = "import"; /// Imports a module
statement INCLUDE:Keyword = "include"; /// Includes a file
statement USING:Keyword = "using"; /// Uses a module
statement FROM:Keyword = "from"; /// Imports a module from a package
// Asynchronous Control
statement YIELD:Keyword = "yield"; /// Yields a value from a generator
// should be a modifier like let await 3= ...
// and .await
}
builtin rule peek(pattern:Pattern) -> bool
builtin rule LineStart;
builtin rule LineEnd;
builtin quantifier * = 0..;
builtin quantifier + = 1..;
builtin quantifier ? = 0..1;
rule LineStart = if peek
// todo: goto keyword
template Delimit(start: Literal, middle: Pattern, end?: Literal = start)-> Pattern {
start middle end
}
template SquareBrackets(middle:Pattern) {
Delimit(b'[',middle,b']')
};
template Parentheses(middle:Pattern) -> Delimit(b'(',middle,b')');
template CurlyBrackets(middle:Pattern) -> Delimit(b'{',middle,b'}');
template AngleBrackets(middle:Pattern) -> Delimit(b'<',middle,b'>');
template SeparatedList(pattern:Pattern, separator:Pattern, optional_trailing:bool) -> Pattern {
(self::pattern self::separator)* if optional_trailing {self::pattern?}
}
template CommaSeparated(pattern:Pattern,optional_trailing:bool) -> Separated(self::pattern, b',', self::optional_trailing);
template SemicolonSeparated(pattern:Pattern,optional_trailing:bool) -> Separated(self::pattern, b';', self::optional_trailing);
template RoundList(middle:Pattern) -> Parentheses(SeparatedList(self::middle, b',', true));
template SquareList(middle:Pattern) -> SquareBrackets(SeparatedList(self::middle, b',', true));
template CurlyList(middle:Pattern) -> CurlyBrackets(SeparatedList(self::middle, b',', true));
template AngleList(middle:Pattern) -> AngleBrackets(SeparatedList(self::middle, b',', true));
template Tuple(elements:Type) as Type -> RoundList(elements);
template Tuple(elements:Expression) as Expression -> RoundList(elements);
// TODO: need a way to type an array
template Array(elements:Expression) as Expression -> SquareList(elements);
pattern Identifier {
first: Alpha | Underscore,
rest: self::first | Numeric,
Identifier() -> {
self::first self::rest*
}
}
pattern TypeGeneric {
name: Identifier,
generics: AngleList(Type),
TypeGeneric() {
self::name self::generics?
}
}
pattern Type {
group name: Identifier,
generics: TypeGeneric,
Type() -> {
self::name self::generics?
}
}
group Type {
name: Identifier,
}
abstract
group
// {{}}}{{{}{}}{}}}
// var a = 3
// func something()
// {
// a++
// }
// return 3 + something() + a
// CustomIdentifier
// uint64_t CIInt = ToRuntimeIdentifier("CustomIdentifier")
// struct MatchData {
// char* start
// char* end
// uint8_t encoding
// }
// int i = 0;
// int* p = &i;
// return p;
// struct MatchCase
// {
// uint64_t identifier // this can be computed at compile time
// MatchData data
// MatchCase* children
// }
// {func();}
// {
// 0xdead
// 0x00
// 0x01
// 0x02
// }
// {
// 0xc0de
// 0x02
// 0x03
// 0x00
// }
// [match1, match2, match3]
group Name {
things
}
agnostic pattern SquareBrackets<middle> : Parent[Delimit('"' ,middle, '"')]
abstract pattern AbstractSearcher<start: Pattern, middle:Pattern ,end?: Pattern = start> {
start;
middle;
end;
}
SquareBrackets foo = ...;
foo.start
pattern SquareBrackets : AbstractSearcher<'[', any, ']'> {}
pattern TypedAssignmentTernary {
type_specifier?: if self::has_type { ':' self::type }
assignment?: if self::HAS_ASSIGNMENT {'=' self::value},
type_part?: if self::TYPE_OPTIONAL self::type_specifier? else self::type_specifier
TypedAssignmentTernary(name:Identifier, type:Pattern, value:Pattern, TYPE_OPTIONAL:bool; HAS_TYPE:bool, HAS_ASSIGNMENT:bool ) -> {
self::name self::type_part self::assignment
}
}
// this is later
// pattern InlineMetaAttribute {
// name: Identifier,
// MetaAttribute() -> {
// self::name
// }
// }
pattern VariableDefinition(name:Identifier, type:Type, value:Expression)-> TypedAssignmentTernary(self::name, self::type, self::value, false, true);
pattern GenericDefinition {
name: Identifier,
generic_item: TypedAssignmentTernary(Identifier, Type, Type),
generics: AngleList(self::generic_item),
GenericDefinition() {
self::name self::generics
}
}
pattern TypeAlias {
keyword = Keyword(keyword::TYPE)
name: Identifier,
bounds: TypeGeneric,
generics: GenericDefinition,
setting:TypedAssignmentTernary(self::name self::generics, self::bounds, Type),
TypeAlias() -> {
self::keyword self::setting
}
}
/*
#[meta(...)]
#[meta(...)]
#[protocol(
error = "TestError",
fields((
// if version is not specified it will default to the latest version
java(encoding = "be"),
bedrock(encoding = "le")
),
(
java(encoding = "var"),
bedrock(encoding = "zigzag")
),
(
java(version = "2..34",len = "u8", inner(len = "u32_var") ),
bedrock(version = "3..22",len = "u8",inner(len = "u32_be"))
)
)
)]
*/
pattern Meta {
name: Identifier,
values:SquareListList(TypedAssignmentTernary(Identifier, Type, Expression)),
Meta() -> {
self::keyword self::name self::values
}
}
pattern KeywordHeader {
keyword = self::
name: Identifier,
generics: AngleList(Type),
KeywordHeader(keyword:string) -> {
self::keyword self::name self::generics
}
}
pattern Struct {
keyword = Keyword(keyword::STRUCT),
name: Identifier,
generics: AngleList(Type),
fields: CurlyList(VariableDefinition),
Struct() -> {
self::keyword self::name self::generics self::fields
}
}
pattern Function {
keyword: Keyword(keyword::FUNCTION),
name: Identifier,
parameters: RoundList(VariableDefinition, b',', true),
return_type: Type,
return_operator: ,
body: ,
Function() -> {
self::keyword self::name self::parameters self::return_type self::body
}
}
//pattern Indexing(index:Pattern) -> SquareBrackets(index);
// enum QuotePrefix {
// Raw: "r",
// Binary: "b",
// Unicode: "u",
// Formatted: "f",
// }
pattern Quotes(prefix:QuotePrefix, inner:Pattern) ->{Delimit('"',middle)};
// struct DoubleQuotes<MIDDLE>: Delimit<b'"',MIDDLE,b'"'> {
// middle: MIDDLE
// },
/// A patten that contains all the different types of patterns
quantifier All;
quantifier AtLeastOne;
quantifier ZeroOrOne;
/// Some Sort of Pattern
statement Pattern
/// States that the pattern is optional at the end
statement OptionalAtEnd<>
statement RequiredAtEnd
abstract Separator<PAT,LIT> {
pattern: Pattern = PAT,
separator: Literal = LIT,
layout() -> {
self::pattern self::separator
}
},
/// Required Whitespace
pat HorizontalWhitespace:Literal = b' ' | b'\t' | b'\r' | b0xC;
struct VerticalWhitespace:Literal = b'\n';
pat Whitespace:Literal = HorizontalWhitespace | VerticalWhitespace;
/// A structure that
abstract SeparatedGroup<PAT,SEPARATOR,START,END,END_REQUIRED>: Delimit<START,Separator<PAT,SEPARATOR>,END>{
}
statement Expression:Pattern;
struct Brace<REQUIRED_KEYWORD[]>: SeparatedGroup<Expression, ";", "{", "}", true> {
required_keyword: REQUIRED_KEYWORD
};
alias CommaList<Pat,Start>: SeparatedGroup<Pat, OptionalAtEnd<",">>;
/// A pattern that is a literal
statement Literal: Pattern;
interface List:SeparatedGroup {
},
scope:SeparatedGroup {
start: '{',
end: '}',
separator: ';',
// like a fn scope can contain return, break, continue, and other scopes
can_contain(pattern:Pattern) -> {
pattern
}
},
/// Notates that something is a type declaration
statement Type:Pattern;
structure: {
}
scope : {
start: '{',
end: '}',
separator: ';',
// like a fn scope can contain return, break, continue, and other scopes
can_contain(pattern:Pattern) -> {
pattern
}
}
pattern Keyword {
ident: Identifier,
Keyword() -> {
self::ident ansi::Whitespace
}
}
abstract Pattern: {
// Operator-specific documentation must be defined in subclasses
fn doc(&self) -> String;
}
inbuilt {
abstract Pattern;
abstract Literal extends Pattern;
abstract String extends Literal;
abstract Number extends Literal;
abstract Char extends Literal;
abstract Boolean extends Literal;
}
group math {
use super::ansi::punctuation::{Plus, Minus, Asterisk, Slash, Percent, CircumflexAccent,
CommercialAt, Ampersand,Not, VerticalLine, Tilde, Dollar, Hash, GraveAccent,
LowLine, Bang, Colon, Semicolon, LessThan, GreaterThan, Equals};
alias Add: Plus;
alias Subtract: Minus;
alias Multiply: Asterisk;
alias Divide: Slash;
alias Modulo: Percent;
alias Power: CircumflexAccent;
alias Factorial: Bang;
alias BitwiseAnd: Ampersand;
alias BitwiseOr: VerticalLine;
alias BitwiseXor: Tilde;
pattern BitwiseNot: Not | Bang;
alias MatrixMultiply: CommercialAt;
alias GreaterThan: GreaterThan;
alias LessThan: LessThan;
pattern GreaterThanOrEqualTo: GreaterThan+Equals;
pattern LessThanOrEqualTo: LessThan + Equals;
pattern EqualTo: Equals+Equals;
/// The not equal to operator
pattern NotEqualTo: Bang + Equals;
/// The strict equal to operator
pattern StrictEqualTo: Equals + Equals + Equals;
/// The strict not equal to operator
pattern StrictNotEqualTo: Bang + Equals + Equals;
/// The assignment operator
alias Assign: Equals;
pattern AddAssign: Plus + Equals;
}
group brackets {
group round {
use super::punctuation::{LeftParenthesis, RightParenthesis};
alias Open: LeftParenthesis;
alias Close: RightParenthesis;
}
group square {
use super::punctuation::{LeftBracket, RightBracket};
alias Open: LeftBracket;
alias Close: RightBracket;
}
group curly {
use super::punctuation::{LeftCurlyBracket, RightCurlyBracket};
alias Open: LeftCurlyBracket;
alias Close: RightCurlyBracket;
}
group angle {
use super::punctuation::{LessThan, GreaterThan};
char Open: LessThan;
char Close: GreaterThan;
}
}
group ansi {
enum Control {
Null: 0x0;
Enquiry: 0x5;
Acknowledge: 0x6;
Bell: 0x7;
Backspace: 0x8;
LineFeed: '\n';
VerticalTab: 0xB;
FormFeed: 0xC;
CarriageReturn: '\r';
ShiftOut: 0xE;
ShiftIn: 0xF;
DataLinkEscape: 0x10;
DeviceControlOne: 0x11;
DeviceControlTwo: 0x12;
DeviceControlThree: 0x13;
DeviceControlFour: 0x14;
NegativeAcknowledge: 0x15;
SynchronousIdle: 0x16;
EndOfTransmissionBlock: 0x17;
Cancel: 0x18;
EndOfMedium: 0x19;
Substitute: 0x1A;
Escape: 0x1B;
FileSeparator: 0x1C;
GroupSeparator: 0x1D;
RecordSeparator: 0x1E;
UnitSeparator: 0x1F;
Delete: 0x7F;
}
use Control::{Tab, LineFeed, CarriageReturn, FormFeed, VerticalTab, Space};
enum Whitespace {
Newline: LineFeed;
Return: CarriageReturn;
HorizontalTab: Tab;
VerticalTab: VerticalTab;
FormFeed: FormFeed;
Space: ' ';
}
enum Punctuation {
CommercialAt: '@';
Backslash: '\\';
CircumflexAccent: '^';
Underscore: '_';
GraveAccent: '`';
VerticalLine: '|';
Tilde: '~';
Bang: '!';
DoubleQuote: '"';
Hash: '#';
Dollar: '$';
Percent: '%';
Ampersand: '&';
SingleQuote: '\'';
LeftParenthesis: '(';
RightParenthesis: ')';
Asterisk: '*';