diff options
Diffstat (limited to 'src/utils/lombok/javac')
| -rw-r--r-- | src/utils/lombok/javac/Javac.java | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/src/utils/lombok/javac/Javac.java b/src/utils/lombok/javac/Javac.java index 2f3c9be4..554c778d 100644 --- a/src/utils/lombok/javac/Javac.java +++ b/src/utils/lombok/javac/Javac.java @@ -39,6 +39,7 @@ import javax.lang.model.type.TypeVisitor; import lombok.javac.JavacTreeMaker.TreeTag; import lombok.javac.JavacTreeMaker.TypeTag; +import com.sun.tools.javac.code.Source; import com.sun.tools.javac.code.Type; import com.sun.tools.javac.main.JavaCompiler; import com.sun.tools.javac.tree.JCTree; @@ -62,6 +63,7 @@ public class Javac { private static final Pattern PRIMITIVE_TYPE_NAME_PATTERN = Pattern.compile("^(boolean|byte|short|int|long|float|double|char)$"); private static final Pattern VERSION_PARSER = Pattern.compile("^(\\d{1,6})\\.(\\d{1,6}).*$"); + private static final Pattern SOURCE_PARSER = Pattern.compile("^JDK(\\d{1,6})_(\\d{1,6}).*$"); private static final AtomicInteger compilerVersion = new AtomicInteger(-1); @@ -71,13 +73,29 @@ public class Javac { public static int getJavaCompilerVersion() { int cv = compilerVersion.get(); if (cv != -1) return cv; - Matcher m = VERSION_PARSER.matcher(JavaCompiler.version()); - if (m.matches()) { - int major = Integer.parseInt(m.group(1)); - int minor = Integer.parseInt(m.group(2)); - if (major == 1) { - compilerVersion.set(minor); - return minor; + + /* Main algorithm: Use JavaCompiler's intended method to do this */ { + Matcher m = VERSION_PARSER.matcher(JavaCompiler.version()); + if (m.matches()) { + int major = Integer.parseInt(m.group(1)); + int minor = Integer.parseInt(m.group(2)); + if (major == 1) { + compilerVersion.set(minor); + return minor; + } + } + } + + /* Fallback algorithm one: Check Source's values. Lets hope oracle never releases a javac that recognizes future versions for -source */ { + String name = Source.values()[Source.values().length - 1].name(); + Matcher m = SOURCE_PARSER.matcher(name); + if (m.matches()) { + int major = Integer.parseInt(m.group(1)); + int minor = Integer.parseInt(m.group(2)); + if (major == 1) { + compilerVersion.set(minor); + return minor; + } } } |