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path: root/build/scripts/build_java_with_error_prone.py
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import sys 
import os 
 
ERROR_PRONE_FLAGS = [ 
    '-Xep:FunctionalInterfaceMethodChanged:WARN', 
    '-Xep:ReturnValueIgnored:WARN', 
] 
 
JAVA10_EXPORTS = [ 
    '--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED', 
    '--add-exports=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED'
] 
 
 
def just_do_it(argv): 
    java, error_prone_tool, javac_cmd = argv[0], argv[1], argv[2:] 
    if java.endswith('javac') or java.endswith('javac.exe'): 
        for f in javac_cmd: 
            if f.startswith('-Xep'):
                ERROR_PRONE_FLAGS.append(f) 
        for f in ERROR_PRONE_FLAGS: 
            if f in javac_cmd: 
                javac_cmd.remove(f) 
        os.execv(java, [java] + JAVA10_EXPORTS + ['-processorpath', error_prone_tool, '-XDcompilePolicy=byfile'] + [(' '.join(['-Xplugin:ErrorProne'] + ERROR_PRONE_FLAGS))] + javac_cmd) 
    else: 
        os.execv(java, [java, '-Xbootclasspath/p:' + error_prone_tool, 'com.google.errorprone.ErrorProneCompiler'] + ERROR_PRONE_FLAGS + javac_cmd) 
 
 
if __name__ == '__main__': 
    just_do_it(sys.argv[1:])