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usev6/gist:cedc5c44dccf8df39f06b4e179e50fab

Last active April 20, 2018 19:57
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Java bytecode snippets
Raw
gistfile1.txt
Output string with 'printfh' (nqp)
$il.append($ALOAD_1);
$il.append(JAST::Instruction.new( :op('invokestatic'), $TYPE_OPS, "getstderr", $TYPE_SMO, $TYPE_TC ));
$il.append(JAST::Instruction.new( :op('ldc'), "DEBUG_20\n" ));
$il.append($ALOAD_1);
$il.append(JAST::Instruction.new( :op('invokestatic'), $TYPE_OPS, "printfh", 'Long', $TYPE_SMO, $TYPE_STR, $TYPE_TC ));
$il.append($POP2);
Output string with 'println' (java)
$il.append(JAST::Instruction.new( :op('getstatic'), 'java/lang/System', 'err', 'Ljava/io/PrintStream;', 'Void' ));
$il.append(JAST::Instruction.new( :op('ldc'), "DEBUG_30" ));
$il.append(JAST::Instruction.new( :op('invokevirtual'), 'java/io/PrintStream', 'println', 'Void', $TYPE_STR ));
Output long with 'println' (java)
$il.append(JAST::Instruction.new( :op('getstatic'), 'java/lang/System', 'err', 'Ljava/io/PrintStream;', 'Void' ));
$il.append(JAST::PushIVal.new( :value($desired) ));
$il.append(JAST::Instruction.new( :op('invokevirtual'), 'java/io/PrintStream', 'println', 'Void', 'Long' ));
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