Created
June 2, 2014 23:26
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Convert ActionScript to Java.
Source: http://www.borisvanschooten.nl/blog/2011/05/01/a-mini-actionscript-3-to-java-converter/
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import java.io.*; | |
import java.util.regex.*; | |
public class AS32J { | |
static public String getContents(File file) { | |
StringBuffer contents = new StringBuffer(); | |
try { | |
BufferedReader input = new BufferedReader(new FileReader(file)); | |
try { | |
String line = null; | |
while (( line = input.readLine()) != null){ | |
contents.append(line); | |
contents.append(System.getProperty("line.separator")); | |
} | |
} finally { | |
input.close(); | |
} | |
} catch (IOException ex){ | |
ex.printStackTrace(); | |
} | |
return contents.toString(); | |
} | |
public static void main(String [] args) { | |
if (args.length!=1) { | |
System.out.println("\n Usage: java -jar as32j.jar <sourcefile>\n"); | |
System.exit(0); | |
} | |
String f = getContents(new File(args[0])); | |
// === constructors and functions === | |
// note: the unprocessed function parameters are enclosed by '%#' | |
// marks. These are replaced later. | |
// get rid of override keyword | |
f=f.replaceAll("override",""); | |
// constructors | |
f=f.replaceAll("([a-z]*)\\s+function\\s+(\\w*)\\s*\\Q(\\E\\s*" | |
+"([^)]*)" | |
+"\\s*\\Q)\\E(\\s*\\{)","$1 $2(%#$3%#)$4"); | |
// functions | |
f=f.replaceAll("([a-z]*)\\s+function\\s+(\\w*)\\s*\\Q(\\E\\s*" | |
+"([^)]*)" | |
+"\\s*\\Q)\\E\\s*:\\s*(\\w*)","$1 $4 $2(%#$3%#)"); | |
// remove zero parameter marks | |
f=f.replaceAll("%#\\s*%#", ""); | |
// Now, replace unprocessed parameters | |
for (int i=0; i<9; i++) { | |
// w/o default values | |
f=f.replaceAll("%#\\s*(\\w*)\\s*:\\s*(\\w*)\\s*,", "$2 $1,%#"); | |
f=f.replaceAll("%#\\s*(\\w*)\\s*:\\s*(\\w*)\\s*%#", "$2 $1"); | |
// w/ default values | |
f=f.replaceAll("%#\\s*(\\w*)\\s*:\\s*(\\w*)\\s*=\\s*([^):,]*)\\s*,", | |
"$2 $1=$3,%#"); | |
f=f.replaceAll("%#\\s*(\\w*)\\s*:\\s*(\\w*)\\s*=\\s*([^):,]*)\\s*%#" | |
, "$2 $1=$3"); | |
} | |
// === variable declarations === | |
f=f.replaceAll("var\\s+([a-zA-Z0-9_]*)\\s*:\\s*([a-zA-Z0-9_]*)","$2 $1"); | |
// XXX multiple comma separated declarations not supported yet! | |
// === type translation === | |
f=f.replaceAll("Number","double"); | |
f=f.replaceAll("Boolean","boolean"); | |
// === typecasts === | |
f=f.replaceAll("(\\w+)\\s+as\\s+(\\w+)","($2)$1"); | |
f=f.replaceAll("int\\s*\\Q(\\E([^)]+)\\Q)\\E","((int)$1)"); | |
System.out.println(f); | |
} | |
} |
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