Function compileStringConcatOpExpr

compile.go:1453–1472

}}}

(context *funcContext, reg int, expr *ast.StringConcatOpExpr, ec *expcontext)

} // }}}

func compileStringConcatOpExpr(context *funcContext, reg int, expr *ast.StringConcatOpExpr, ec *expcontext) { // {{{
	code := context.Code
	crange := 1
	for current := expr.Rhs; current != nil; {
		if ex, ok := current.(*ast.StringConcatOpExpr); ok {
			crange += 1
			current = ex.Rhs
		} else {
			current = nil
		}
	}
	a := savereg(ec, reg)
	basereg := reg
	reg += compileExpr(context, reg, expr.Lhs, ecnone(0))
	reg += compileExpr(context, reg, expr.Rhs, ecnone(0))
	for pc := code.LastPC(); pc != 0 && opGetOpCode(code.At(pc)) == OP_CONCAT; pc-- {
		code.Pop()
	}
	code.AddABC(OP_CONCAT, a, basereg, basereg+crange, sline(expr))
} // }}}

func compileUnaryOpExpr(context *funcContext, reg int, expr ast.Expr, ec *expcontext) { // {{{
	opcode := 0