Analyzer now understands type section default values

analyzer/analyzer.go

@@ -63,6 +63,9 @@ func (analyzer *AnalysisOperation) fetchSection (
 	err error,
 ) {
 	var exists bool
+	section, exists = analyzer.resolvePrimitive(where)
+	if exists { return }
+
 	section, exists = analyzer.sectionTable[where]
 	if exists { return }
 
@@ -156,6 +159,45 @@ func (analyzer *AnalysisOperation) fetchSectionFromIdentifier (
 	return
 }
 
+// resolvePrimitive checks to see if the locator is in the current module, and
+// refers to a primitive. If it does, it returns a pointer to that primitive
+// and true for exists. If it doesn't, it returns nil and false.
+func (analyzer *AnalysisOperation) resolvePrimitive (
+	where locator,
+) (
+	section Section,
+	exists bool,
+) {
+	// primitives are scoped as if they are contained within the current
+	// module, so if the location refers to something outside of the current
+	// module, it is definetly not referring to a primitive.
+	if where.modulePath != analyzer.currentPosition.modulePath {
+		return
+	}
+
+	exists = true
+	switch where.name {
+	case "Int":    section = &PrimitiveInt
+	case "UInt":   section = &PrimitiveUInt
+	case "I8":     section = &PrimitiveI8
+	case "I16":    section = &PrimitiveI16
+	case "I32":    section = &PrimitiveI32
+	case "I64":    section = &PrimitiveI64
+	case "U8":     section = &PrimitiveU8
+	case "U16":    section = &PrimitiveU16
+	case "U32":    section = &PrimitiveU32
+	case "U64":    section = &PrimitiveU64
+	case "Objt":   section = &PrimitiveObjt
+	case "Face":   section = &PrimitiveFace
+	case "Func":   section = &PrimitiveFunc
+	case "String": section = &BuiltInString
+	default:
+		exists = false
+	}
+
+	return
+}
+
 // addSection adds a section to the analyzer's section table. If a section with
 // that name already exists, it panics because the parser should not have given
 // that to us.

analyzer/argument.go

@@ -26,6 +26,7 @@ func (analyzer AnalysisOperation) analyzeArgument (
 	inputArgument parser.Argument,
 ) (
 	outputArgument Argument,
+	err error,
 ) {
 	switch inputArgument.Kind() {
 	case parser.ArgumentKindNil:

analyzer/primitives.go

@@ -14,6 +14,7 @@ var PrimitiveU32  = createPrimitive("U32",  Type {})
 var PrimitiveU64  = createPrimitive("U64",  Type {})
 var PrimitiveObjt = createPrimitive("Objt", Type {})
 var PrimitiveFace = createPrimitive("Face", Type {})
+var PrimitiveFunc = createPrimitive("Func", Type {})
 
 var BuiltInString = createPrimitive("String", Type {
 	actual: PrimitiveU32,

analyzer/type-section.go

@@ -9,6 +9,7 @@ type TypeSection struct {
 	sectionBase
 	what     Type
 	complete bool
+	argument Argument
 	// TODO: do not add members from parent type. instead have a member
 	// function to discern whether this type contains a particular member,
 	// and have it recurse all the way up the family tree. it will be the
@@ -42,6 +43,9 @@ func (member ObjectMember) ToString (indent int) (output string) {
 func (section TypeSection) ToString (indent int) (output string) {
 	output += doIndent(indent, "typeSection ", section.where.ToString(), "\n")
 	output += section.what.ToString(indent + 1)
+	if section.argument != nil {
+		output += section.argument.ToString(indent + 1)
+	}
 	return
 }
 
@@ -66,7 +70,15 @@ func (analyzer AnalysisOperation) analyzeTypeSection () (
 
 	outputSection.what, err = analyzer.analyzeType(inputSection.Type())
 	if err != nil { return }
-	
+
+	if !inputSection.Argument().Nil() {
+		outputSection.argument,
+		err = analyzer.analyzeArgument(inputSection.Argument())
+		if err != nil { return }
+		// TODO: type check default value. possibly add a method to
+		// Argument that takes in a type and determines whether the
+		// argument can fit to it.
+	}
 
 	// TODO: analyze members
 

analyzer/type-section_test.go

@@ -6,5 +6,6 @@ func TestTypeSection (test *testing.T) {
 	checkTree ("../tests/analyzer/typeSection", false,
 `typeSection ../tests/analyzer/typeSection.basicInt
 	type 1 basic Int
+	arg uint 5
 `, test)
 }

analyzer/type.go

@@ -63,8 +63,10 @@ func (what Type) ToString (indent int) (output string) {
 	}
 
 	if what.actual != nil {
-		output += what.actual.Name()
+		output += " " + what.actual.Name()
 	}
+
+	output += "\n"
 	return
 }
 

parser/accessors.go

@@ -115,6 +115,12 @@ func (argument Argument) Kind () (kind ArgumentKind) {
 	return
 }
 
+// Nil returns true if the argument is nil, and false if it isn't.
+func (argument Argument) Nil () (isNil bool) {
+	isNil = argument.kind == ArgumentKindNil
+	return
+}
+
 // Value returns the underlying value of the argument. You can use Kind() to
 // find out what to cast this to.
 func (argument Argument) Value () (value any) {