Interfaces get parsed properly (i think)
This commit is contained in:
parent
4811ea5257
commit
2ceb3f8174
@ -12,8 +12,7 @@ func (parser *ParsingOperation) parseFaceSection () (
|
||||
err = parser.expect(lexer.TokenKindName)
|
||||
if err != nil { return }
|
||||
|
||||
section.behaviors = make(map[string] FaceBehavior)
|
||||
section.location = parser.token.Location()
|
||||
section.location = parser.token.Location()
|
||||
|
||||
// get permission
|
||||
err = parser.nextToken(lexer.TokenKindPermission)
|
||||
@ -32,24 +31,59 @@ func (parser *ParsingOperation) parseFaceSection () (
|
||||
if err != nil { return }
|
||||
section.inherits, err = parser.parseIdentifier()
|
||||
if err != nil { return }
|
||||
err = parser.nextToken(lexer.TokenKindNewline)
|
||||
err = parser.expect(lexer.TokenKindNewline)
|
||||
if err != nil { return }
|
||||
err = parser.nextToken()
|
||||
if err != nil { return }
|
||||
|
||||
if !parser.token.Is(lexer.TokenKindIndent) { return }
|
||||
if parser.token.Value().(int) != 1 { return }
|
||||
|
||||
err = parser.nextToken (
|
||||
lexer.TokenKindName,
|
||||
lexer.TokenKindGreaterThan,
|
||||
lexer.TokenKindLessThan)
|
||||
if err != nil { return }
|
||||
|
||||
if parser.token.Is(lexer.TokenKindName) {
|
||||
// parse type interface
|
||||
parser.previousToken()
|
||||
section.behaviors, err = parser.parseFaceBehaviors()
|
||||
if err != nil { return }
|
||||
} else {
|
||||
// parse function interface
|
||||
parser.previousToken()
|
||||
section.inputs,
|
||||
section.outputs, err = parser.parseFaceBehaviorArguments(1)
|
||||
if err != nil { return }
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// parseFaceBehaviors parses a list of interface behaviors for an object
|
||||
// interface.
|
||||
func (parser *ParsingOperation) parseFaceBehaviors () (
|
||||
behaviors map[string] FaceBehavior,
|
||||
err error,
|
||||
) {
|
||||
// parse members
|
||||
behaviors = make(map[string] FaceBehavior)
|
||||
for {
|
||||
// if we've left the block, stop parsing
|
||||
if !parser.token.Is(lexer.TokenKindIndent) { return }
|
||||
if parser.token.Value().(int) != 1 { return }
|
||||
|
||||
err = parser.nextToken(lexer.TokenKindName)
|
||||
behaviorBeginning := parser.token.Location()
|
||||
if err != nil { return }
|
||||
|
||||
// parse behavior
|
||||
behaviorBeginning := parser.token.Location()
|
||||
var behavior FaceBehavior
|
||||
behavior, err = parser.parseFaceBehavior()
|
||||
behavior, err = parser.parseFaceBehavior(1)
|
||||
|
||||
// add to section
|
||||
_, exists := section.behaviors[behavior.name]
|
||||
_, exists := behaviors[behavior.name]
|
||||
if exists {
|
||||
err = infoerr.NewError (
|
||||
behaviorBeginning,
|
||||
@ -58,23 +92,21 @@ func (parser *ParsingOperation) parseFaceSection () (
|
||||
infoerr.ErrorKindError)
|
||||
return
|
||||
}
|
||||
section.behaviors[behavior.name] = behavior
|
||||
behaviors[behavior.name] = behavior
|
||||
|
||||
if err != nil { return }
|
||||
}
|
||||
}
|
||||
|
||||
// parseFaceBehavior parses a single interface behavior. Indentation level is
|
||||
// assumed.
|
||||
func (parser *ParsingOperation) parseFaceBehavior () (
|
||||
// parseFaceBehavior parses a single interface behavior.
|
||||
func (parser *ParsingOperation) parseFaceBehavior (
|
||||
indent int,
|
||||
) (
|
||||
behavior FaceBehavior,
|
||||
err error,
|
||||
) {
|
||||
err = parser.expect(lexer.TokenKindIndent)
|
||||
if err != nil { return }
|
||||
|
||||
// get name
|
||||
err = parser.nextToken(lexer.TokenKindName)
|
||||
err = parser.expect(lexer.TokenKindName)
|
||||
if err != nil { return }
|
||||
behavior.name = parser.token.Value().(string)
|
||||
|
||||
@ -82,11 +114,27 @@ func (parser *ParsingOperation) parseFaceBehavior () (
|
||||
if err != nil { return }
|
||||
err = parser.nextToken()
|
||||
if err != nil { return }
|
||||
|
||||
behavior.inputs,
|
||||
behavior.outputs,
|
||||
err = parser.parseFaceBehaviorArguments(indent + 1)
|
||||
if err != nil { return }
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (parser *ParsingOperation) parseFaceBehaviorArguments (
|
||||
indent int,
|
||||
) (
|
||||
inputs []Declaration,
|
||||
outputs []Declaration,
|
||||
err error,
|
||||
) {
|
||||
|
||||
for {
|
||||
// if we've left the block, stop parsing
|
||||
// if we've left the behavior, stop parsing
|
||||
if !parser.token.Is(lexer.TokenKindIndent) { return }
|
||||
if parser.token.Value().(int) != 2 { return }
|
||||
if parser.token.Value().(int) != indent { return }
|
||||
|
||||
// get preceding symbol
|
||||
err = parser.nextToken (
|
||||
@ -115,13 +163,9 @@ func (parser *ParsingOperation) parseFaceBehavior () (
|
||||
if err != nil { return }
|
||||
|
||||
if kind == lexer.TokenKindGreaterThan {
|
||||
behavior.inputs = append (
|
||||
behavior.inputs,
|
||||
declaration)
|
||||
inputs = append(inputs, declaration)
|
||||
} else {
|
||||
behavior.outputs = append (
|
||||
behavior.outputs,
|
||||
declaration)
|
||||
outputs = append(outputs, declaration)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -6,18 +6,18 @@ func TestFace (test *testing.T) {
|
||||
checkTree ("../tests/parser/face", false,
|
||||
`:arf
|
||||
---
|
||||
face ro ReadWriter:Face
|
||||
write
|
||||
> data:{Byte ..}
|
||||
< wrote:Int
|
||||
< err:Error
|
||||
face ro aReadWriter:Face
|
||||
read
|
||||
> into:{Byte ..}
|
||||
< read:Int
|
||||
< err:Error
|
||||
face ro Destroyer:Face
|
||||
write
|
||||
> data:{Byte ..}
|
||||
< wrote:Int
|
||||
< err:Error
|
||||
face ro bDestroyer:Face
|
||||
destroy
|
||||
face ro cFuncInterface
|
||||
face ro cFuncInterface:Func
|
||||
> something:Int
|
||||
< someOutput:Int
|
||||
< otherOutput:String
|
||||
|
@ -191,6 +191,15 @@ type EnumSection struct {
|
||||
members []EnumMember
|
||||
}
|
||||
|
||||
// FaceKind determines if an interface is a type interface or an function
|
||||
// interface.
|
||||
type FaceKind int
|
||||
|
||||
const (
|
||||
FaceKindType FaceKind = iota
|
||||
FaceKindFunc
|
||||
)
|
||||
|
||||
// FaceBehavior represents a behavior of an interface section.
|
||||
type FaceBehavior struct {
|
||||
locatable
|
||||
@ -206,8 +215,11 @@ type FaceSection struct {
|
||||
nameable
|
||||
permissionable
|
||||
inherits Identifier
|
||||
|
||||
|
||||
kind FaceKind
|
||||
|
||||
behaviors map[string] FaceBehavior
|
||||
FaceBehavior
|
||||
}
|
||||
|
||||
// PhraseKind determines what semantic role a phrase plays.
|
||||
|
@ -14,7 +14,7 @@ face ro aReadWriter:Face
|
||||
face ro bDestroyer:Face
|
||||
destroy
|
||||
|
||||
face ro cFuncInterface
|
||||
face ro cFuncInterface:Func
|
||||
> something:Int
|
||||
< someOutput:Int
|
||||
< otherOutput:String
|
||||
|
Reference in New Issue
Block a user