Method writeArgument

tools/ffi.js:135–137

(file, i)

class StringType extends Type {
	get tsType() { return "string"; }
	writeArgument(file, i) {
		file.write(`*arg${ i }`);
	}
	writeArgumentConversion(file, i) {
		file.line(`char** arg${ i } = XS->toStringHandle(the, mxArgv(${ i }));`);
	}