Created structs needed to represent a data section
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@ -10,8 +10,9 @@ func (parser *ParsingOperation) parseBody () (err error) {
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switch parser.token.Value().(string) {
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case "data":
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case "type":
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case "func":
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case "face":
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case "enum":
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case "func":
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}
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return
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132
parser/tree.go
132
parser/tree.go
@ -1,5 +1,8 @@
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package parser
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import "git.tebibyte.media/sashakoshka/arf/file"
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import "git.tebibyte.media/sashakoshka/arf/types"
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// SyntaxTree represents an abstract syntax tree. It covers an entire module. It
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// can be expected to be syntactically correct, but it might not be semantically
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// correct (because it has not been analyzed yet.)
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@ -9,3 +12,132 @@ type SyntaxTree struct {
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requires []string
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}
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// Identifier represents a chain of arguments separated by a dot.
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type Identifier struct {
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location file.Location
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trail []Argument
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}
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// TypeKind represents what kind of type a type is
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type TypeKind int
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const (
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// TypeKindBasic either means it's a primitive, or it inherits from
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// something.
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TypeKindBasic TypeKind = iota
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// TypeKindPointer means it's a pointer
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TypeKindPointer
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// TypeKindArray means it's an array.
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TypeKindArray
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)
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// Type represents a type specifier
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type Type struct {
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location file.Location
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mutable bool
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kind TypeKind
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// only applicable for arrays. a value of zero means it has an
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// undefined/dynamic length.
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length uint64
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// not applicable for pointers.
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name Identifier
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// only applicable for pointers.
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points *Type
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}
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// Declaration represents a variable declaration.
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type Declaration struct {
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location file.Location
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name string
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what Type
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value []Argument
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}
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// ObjectAttribute represents a notation to initialize object attributes. It
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// contains a name, and the value that the attribute should be initialized to.
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type ObjectAttribute struct {
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location file.Location
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name string
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value Argument
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}
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// Phrase represents a function call or operator. In ARF they are the same
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// syntactical concept.
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type Phrase struct {
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location file.Location
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command Argument
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arguments []Argument
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returnsTo []Argument
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}
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// ArgumentKind specifies the type of thing the value of an argument should be
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// cast to.
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type ArgumentKind int
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const (
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// [name argument]
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// [name argument argument]
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// etc...
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ArgumentKindPhrase ArgumentKind = iota
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// , name value
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ArgumentKindObjectAttribute
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// name.name
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// name.name.name
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// etc...
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ArgumentKindIdentifier
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// name:Type
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// name:{Type}
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// name:{Type ...}
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// name:{Type 23}
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// etc...
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ArgumentKindDeclaration
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// -1337
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ArgumentKindInt
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// 1337
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ArgumentKindUInt
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// 0.44
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ArgumentKindFloat
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// "hello world"
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ArgumentKindString
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// 'S'
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ArgumentKindRune
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// + - * / etc...
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ArgumentKindOperator
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)
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// Argument represents a value that can be placed anywhere a value goes. This
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// allows things like phrases being arguments to other phrases.
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type Argument struct {
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location file.Location
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what ArgumentKind
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value any
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// TODO: if there is an argument expansion operator its existence should
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// be stored here in a boolean.
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}
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// DataSection represents a global variable.
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type DataSection struct {
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location file.Location
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name string
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what Type
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value []Argument
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permission types.Permission
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}
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@ -15,13 +15,23 @@ data wr integerArrayInitialized:{Int 16}
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340 0 2304 0 4785 92
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data wr object:Obj
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: this 324
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: that 2139
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, this 324
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, that 2139
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data wr nestedObject:Obj
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: this
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: bird0 324
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: bird1 "hello world"
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: that
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: bird2 123.8439
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: bird3 9328.21348239
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, this
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, bird0 324
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, bird1 "hello world"
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, that
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, bird2 123.8439
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, bird3 9328.21348239
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# parsing an object literal
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func rr main
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---
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[let object:Obj
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, this 324
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, that 2139]
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let object:Obj , this 324 , that 2139
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