Method ident

checker/checker.go:263–289

ident method returns type of environment variable, builtin or function.

(node ast.Node, name string, strict, builtins bool)

// ident method returns type of environment variable, builtin or function.
func (v *Checker) ident(node ast.Node, name string, strict, builtins bool) Nature {
	if nt, ok := v.config.Env.Get(&v.config.NtCache, name); ok {
		return nt
	}
	if builtins {
		if fn, ok := v.config.Functions[name]; ok {
			nt := v.config.NtCache.FromType(fn.Type())
			if nt.TypeData == nil {
				nt.TypeData = new(TypeData)
			}
			nt.TypeData.Func = fn
			return nt
		}
		if fn, ok := v.config.Builtins[name]; ok {
			nt := v.config.NtCache.FromType(fn.Type())
			if nt.TypeData == nil {
				nt.TypeData = new(TypeData)
			}
			nt.TypeData.Func = fn
			return nt
		}
	}
	if v.config.Strict && strict {
		return v.error(node, "unknown name %s", name)
	}
	return Nature{}
}

func (v *Checker) unaryNode(node *ast.UnaryNode) Nature {
	nt := v.visit(node.Node)