Function compileRegAssignment

compile.go:816–854

}}}

(context *funcContext, names []string, exprs []ast.Expr, reg int, nvars int, line int)

} // }}}

func compileRegAssignment(context *funcContext, names []string, exprs []ast.Expr, reg int, nvars int, line int) { // {{{
	lennames := len(names)
	lenexprs := len(exprs)
	namesassigned := 0
	ec := &expcontext{}

	for namesassigned < lennames && namesassigned < lenexprs {
		if isVarArgReturnExpr(exprs[namesassigned]) && (lenexprs-namesassigned-1) <= 0 {

			varargopt := nvars - namesassigned
			ecupdate(ec, ecVararg, reg, varargopt-1)
			compileExpr(context, reg, exprs[namesassigned], ec)
			reg += varargopt
			namesassigned = lennames
		} else {
			ecupdate(ec, ecLocal, reg, 0)
			compileExpr(context, reg, exprs[namesassigned], ec)
			reg += 1
			namesassigned += 1
		}
	}

	// extra left names
	if lennames > namesassigned {
		restleft := lennames - namesassigned - 1
		context.Code.AddLoadNil(reg, reg+restleft, line)
		reg += restleft
	}

	// extra right exprs
	for i := namesassigned; i < lenexprs; i++ {
		varargopt := -1
		if i != lenexprs-1 {
			varargopt = 0
		}
		ecupdate(ec, ecNone, reg, varargopt)
		reg += compileExpr(context, reg, exprs[i], ec)
	}
} // }}}

func compileLocalAssignStmt(context *funcContext, stmt *ast.LocalAssignStmt) { // {{{
	reg := context.RegTop()