noun
compiler directive
A computing term for an instruction embedded in source code that controls compiler behavior, such as pragmas or preprocessor directives.
この翻訳コンパイラ指示文は、最適化レベルを指定する。
This compiler directive specifies the optimization level.
Compound of 翻訳 (translation, here referring to compilation), コンパイラ (compiler), and 指示文 (directive statement). A technical term likely calqued from English 'compiler directive'.