sketch

ast.go

@@ -0,0 +1,53 @@
+package avo
+
+// GoType represents a Golang type.
+type GoType interface{}
+
+// Parameter represents a parameter to an assembly function.
+type Parameter struct {
+	Name string
+	Type GoType
+}
+
+// Instruction is a single instruction in a function.
+type Instruction struct {
+	Mnemonic string
+	Operands []string
+}
+
+// File represents an assembly file.
+type File struct {
+	functions []*Function
+}
+
+// Function represents an assembly function.
+type Function struct {
+	name   string
+	params []Parameter
+	inst   []Instruction
+}
+
+func NewFunction(name string) *Function {
+	return &Function{
+		name: name,
+	}
+}
+
+func (f *Function) AddInstruction(i Instruction) {
+	f.inst = append(f.inst, i)
+}
+
+// Name returns the function name.
+func (f *Function) Name() string { return f.name }
+
+// FrameBytes returns the size of the stack frame in bytes.
+func (f *Function) FrameBytes() int {
+	// TODO(mbm): implement
+	return 0
+}
+
+// ArgumentBytes returns the size of the arguments in bytes.
+func (f *Function) ArgumentBytes() int {
+	// TODO(mbm): implement
+	return 0
+}