9c0c6e6916
This change adds rudimentary type binding to phase 2 of the binder. Note that we still don't have the notion of predefined types (for the primitives), so this basically rejects any well-formed Mufile. Primitives are on deck.
32 lines
847 B
Go
32 lines
847 B
Go
// Copyright 2016 Marapongo, Inc. All rights reserved.
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package compiler
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import (
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"github.com/marapongo/mu/pkg/ast"
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)
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// Symbol is a named entity that can be referenced and bound to.
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type Symbol struct {
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Kind SymbolKind // the kind of symbol.
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Name ast.Name // the symbol's unique name.
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Node *ast.Node // the Node part of the payload data structure.
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Real interface{} // the real part of the payload (i.e., the whole structure).
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}
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// SymbolKind indicates the kind of symbol being registered (e.g., Stack, Service, etc).
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type SymbolKind int
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const (
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SymKindStack SymbolKind = iota
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SymKindService
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)
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func NewStackSymbol(nm ast.Name, stack *ast.Stack) *Symbol {
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return &Symbol{SymKindStack, nm, &stack.Node, stack}
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}
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func NewServiceSymbol(nm ast.Name, svc *ast.Service) *Symbol {
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return &Symbol{SymKindService, nm, &svc.Node, svc}
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}
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