Method objdump

lib/compilers/java.ts:112–169

(outputFilename: string, result: any, maxSize: number)

    }

    override async objdump(outputFilename: string, result: any, maxSize: number) {
        const dirPath = path.dirname(outputFilename);
        const files = await this.readdir(dirPath);
        logger.verbose('Class files: ', files);
        const results = await Promise.all(
            files
                .filter(f => f.endsWith('.class'))
                .map(async classFile => {
                    const args = [
                        ...this.compiler.objdumperArgs,
                        // Prints out disassembled code, i.e., the instructions that comprise the Java bytecodes,
                        // for each of the methods in the class.
                        '-c',
                        // Prints out line and local variable tables.
                        '-l',
                        // Private things
                        '-p',
                        // Final constants
                        '-constants',
                        // Verbose - ideally we'd enable this and then we get constant pools too. Needs work to parse.
                        //'-v',
                        classFile,
                    ];
                    const objResult = await this.exec(this.compiler.objdumper, args, {
                        maxOutput: maxSize,
                        customCwd: dirPath,
                    });
                    const oneResult: ParsedAsmResult = {
                        asm: [
                            {
                                text: objResult.stdout,
                            },
                        ],
                    };

                    if (objResult.code === 0) {
                        oneResult.objdumpTime = objResult.execTime;
                    } else {
                        oneResult.asm = [
                            {
                                text: `<No output: javap returned ${objResult.code}>`,
                            },
                        ];
                    }
                    return oneResult;
                }),
        );

        const merged: ParsedAsmResult = {asm: []};
        for (const result of results) {
            const asmBackup = merged.asm;
            Object.assign(merged, result);
            merged.asm = [...asmBackup, ...result.asm];
        }

        result.asm = merged.asm;
        return result;
    }