Created structs needed to represent a data section

This commit is contained in:
Sasha Koshka 2022-08-15 01:47:42 -04:00
parent 0a067524ce
commit b02ff6cda6
3 changed files with 152 additions and 9 deletions

View File

@ -10,8 +10,9 @@ func (parser *ParsingOperation) parseBody () (err error) {
switch parser.token.Value().(string) { switch parser.token.Value().(string) {
case "data": case "data":
case "type": case "type":
case "func":
case "face": case "face":
case "enum":
case "func":
} }
return return

View File

@ -1,5 +1,8 @@
package parser package parser
import "git.tebibyte.media/sashakoshka/arf/file"
import "git.tebibyte.media/sashakoshka/arf/types"
// SyntaxTree represents an abstract syntax tree. It covers an entire module. It // SyntaxTree represents an abstract syntax tree. It covers an entire module. It
// can be expected to be syntactically correct, but it might not be semantically // can be expected to be syntactically correct, but it might not be semantically
// correct (because it has not been analyzed yet.) // correct (because it has not been analyzed yet.)
@ -9,3 +12,132 @@ type SyntaxTree struct {
requires []string requires []string
} }
// Identifier represents a chain of arguments separated by a dot.
type Identifier struct {
location file.Location
trail []Argument
}
// TypeKind represents what kind of type a type is
type TypeKind int
const (
// TypeKindBasic either means it's a primitive, or it inherits from
// something.
TypeKindBasic TypeKind = iota
// TypeKindPointer means it's a pointer
TypeKindPointer
// TypeKindArray means it's an array.
TypeKindArray
)
// Type represents a type specifier
type Type struct {
location file.Location
mutable bool
kind TypeKind
// only applicable for arrays. a value of zero means it has an
// undefined/dynamic length.
length uint64
// not applicable for pointers.
name Identifier
// only applicable for pointers.
points *Type
}
// Declaration represents a variable declaration.
type Declaration struct {
location file.Location
name string
what Type
value []Argument
}
// ObjectAttribute represents a notation to initialize object attributes. It
// contains a name, and the value that the attribute should be initialized to.
type ObjectAttribute struct {
location file.Location
name string
value Argument
}
// Phrase represents a function call or operator. In ARF they are the same
// syntactical concept.
type Phrase struct {
location file.Location
command Argument
arguments []Argument
returnsTo []Argument
}
// ArgumentKind specifies the type of thing the value of an argument should be
// cast to.
type ArgumentKind int
const (
// [name argument]
// [name argument argument]
// etc...
ArgumentKindPhrase ArgumentKind = iota
// , name value
ArgumentKindObjectAttribute
// name.name
// name.name.name
// etc...
ArgumentKindIdentifier
// name:Type
// name:{Type}
// name:{Type ...}
// name:{Type 23}
// etc...
ArgumentKindDeclaration
// -1337
ArgumentKindInt
// 1337
ArgumentKindUInt
// 0.44
ArgumentKindFloat
// "hello world"
ArgumentKindString
// 'S'
ArgumentKindRune
// + - * / etc...
ArgumentKindOperator
)
// Argument represents a value that can be placed anywhere a value goes. This
// allows things like phrases being arguments to other phrases.
type Argument struct {
location file.Location
what ArgumentKind
value any
// TODO: if there is an argument expansion operator its existence should
// be stored here in a boolean.
}
// DataSection represents a global variable.
type DataSection struct {
location file.Location
name string
what Type
value []Argument
permission types.Permission
}

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@ -15,13 +15,23 @@ data wr integerArrayInitialized:{Int 16}
340 0 2304 0 4785 92 340 0 2304 0 4785 92
data wr object:Obj data wr object:Obj
: this 324 , this 324
: that 2139 , that 2139
data wr nestedObject:Obj data wr nestedObject:Obj
: this , this
: bird0 324 , bird0 324
: bird1 "hello world" , bird1 "hello world"
: that , that
: bird2 123.8439 , bird2 123.8439
: bird3 9328.21348239 , bird3 9328.21348239
# parsing an object literal
func rr main
---
[let object:Obj
, this 324
, that 2139]
let object:Obj , this 324 , that 2139