本文整理汇总了Java中org.mozilla.javascript.ast.ScriptNode.getRegexpCount方法的典型用法代码示例。如果您正苦于以下问题：Java ScriptNode.getRegexpCount方法的具体用法？Java ScriptNode.getRegexpCount怎么用？Java ScriptNode.getRegexpCount使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.mozilla.javascript.ast.ScriptNode的用法示例。
在下文中一共展示了ScriptNode.getRegexpCount方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: emitRegExpInit
import org.mozilla.javascript.ast.ScriptNode; //导入方法依赖的package包/类
private void emitRegExpInit(ClassFileWriter cfw)
{
// precompile all regexp literals
int totalRegCount = 0;
for (int i = 0; i != scriptOrFnNodes.length; ++i) {
totalRegCount += scriptOrFnNodes[i].getRegexpCount();
}
if (totalRegCount == 0) {
return;
}
cfw.startMethod(REGEXP_INIT_METHOD_NAME, REGEXP_INIT_METHOD_SIGNATURE,
(short)(ACC_STATIC | ACC_PRIVATE));
cfw.addField("_reInitDone", "Z",
(short)(ACC_STATIC | ACC_PRIVATE | ACC_VOLATILE));
cfw.add(ByteCode.GETSTATIC, mainClassName, "_reInitDone", "Z");
int doInit = cfw.acquireLabel();
cfw.add(ByteCode.IFEQ, doInit);
cfw.add(ByteCode.RETURN);
cfw.markLabel(doInit);
// get regexp proxy and store it in local slot 1
cfw.addALoad(0); // context
cfw.addInvoke(ByteCode.INVOKESTATIC,
"org/mozilla/javascript/ScriptRuntime",
"checkRegExpProxy",
"(Lorg/mozilla/javascript/Context;"
+")Lorg/mozilla/javascript/RegExpProxy;");
cfw.addAStore(1); // proxy
// We could apply double-checked locking here but concurrency
// shouldn't be a problem in practice
for (int i = 0; i != scriptOrFnNodes.length; ++i) {
ScriptNode n = scriptOrFnNodes[i];
int regCount = n.getRegexpCount();
for (int j = 0; j != regCount; ++j) {
String reFieldName = getCompiledRegexpName(n, j);
String reFieldType = "Ljava/lang/Object;";
String reString = n.getRegexpString(j);
String reFlags = n.getRegexpFlags(j);
cfw.addField(reFieldName, reFieldType,
(short)(ACC_STATIC | ACC_PRIVATE));
cfw.addALoad(1); // proxy
cfw.addALoad(0); // context
cfw.addPush(reString);
if (reFlags == null) {
cfw.add(ByteCode.ACONST_NULL);
} else {
cfw.addPush(reFlags);
}
cfw.addInvoke(ByteCode.INVOKEINTERFACE,
"org/mozilla/javascript/RegExpProxy",
"compileRegExp",
"(Lorg/mozilla/javascript/Context;"
+"Ljava/lang/String;Ljava/lang/String;"
+")Ljava/lang/Object;");
cfw.add(ByteCode.PUTSTATIC, mainClassName,
reFieldName, reFieldType);
}
}
cfw.addPush(1);
cfw.add(ByteCode.PUTSTATIC, mainClassName, "_reInitDone", "Z");
cfw.add(ByteCode.RETURN);
cfw.stopMethod((short)2);
}
示例2: emitRegExpInit
import org.mozilla.javascript.ast.ScriptNode; //导入方法依赖的package包/类
private void emitRegExpInit(ClassFileWriter cfw)
{
// precompile all regexp literals
int totalRegCount = 0;
for (int i = 0; i != scriptOrFnNodes.length; ++i) {
totalRegCount += scriptOrFnNodes[i].getRegexpCount();
}
if (totalRegCount == 0) {
return;
}
cfw.startMethod(REGEXP_INIT_METHOD_NAME, REGEXP_INIT_METHOD_SIGNATURE,
(short)(ClassFileWriter.ACC_STATIC | ClassFileWriter.ACC_PRIVATE
| ClassFileWriter.ACC_SYNCHRONIZED));
cfw.addField("_reInitDone", "Z",
(short)(ClassFileWriter.ACC_STATIC
| ClassFileWriter.ACC_PRIVATE));
cfw.add(ByteCode.GETSTATIC, mainClassName, "_reInitDone", "Z");
int doInit = cfw.acquireLabel();
cfw.add(ByteCode.IFEQ, doInit);
cfw.add(ByteCode.RETURN);
cfw.markLabel(doInit);
for (int i = 0; i != scriptOrFnNodes.length; ++i) {
ScriptNode n = scriptOrFnNodes[i];
int regCount = n.getRegexpCount();
for (int j = 0; j != regCount; ++j) {
String reFieldName = getCompiledRegexpName(n, j);
String reFieldType = "Ljava/lang/Object;";
String reString = n.getRegexpString(j);
String reFlags = n.getRegexpFlags(j);
cfw.addField(reFieldName, reFieldType,
(short)(ClassFileWriter.ACC_STATIC
| ClassFileWriter.ACC_PRIVATE));
cfw.addALoad(0); // proxy
cfw.addALoad(1); // context
cfw.addPush(reString);
if (reFlags == null) {
cfw.add(ByteCode.ACONST_NULL);
} else {
cfw.addPush(reFlags);
}
cfw.addInvoke(ByteCode.INVOKEINTERFACE,
"org/mozilla/javascript/RegExpProxy",
"compileRegExp",
"(Lorg/mozilla/javascript/Context;"
+"Ljava/lang/String;Ljava/lang/String;"
+")Ljava/lang/Object;");
cfw.add(ByteCode.PUTSTATIC, mainClassName,
reFieldName, reFieldType);
}
}
cfw.addPush(1);
cfw.add(ByteCode.PUTSTATIC, mainClassName, "_reInitDone", "Z");
cfw.add(ByteCode.RETURN);
cfw.stopMethod((short)2);
}
示例3: pushRegExpArray
import org.mozilla.javascript.ast.ScriptNode; //导入方法依赖的package包/类
void pushRegExpArray(ClassFileWriter cfw, ScriptNode n,
int contextArg, int scopeArg)
{
int regexpCount = n.getRegexpCount();
if (regexpCount == 0) throw badTree();
cfw.addPush(regexpCount);
cfw.add(ByteCode.ANEWARRAY, "java/lang/Object");
cfw.addALoad(contextArg);
cfw.addInvoke(ByteCode.INVOKESTATIC,
"org/mozilla/javascript/ScriptRuntime",
"checkRegExpProxy",
"(Lorg/mozilla/javascript/Context;"
+")Lorg/mozilla/javascript/RegExpProxy;");
// Stack: proxy, array
cfw.add(ByteCode.DUP);
cfw.addALoad(contextArg);
cfw.addInvoke(ByteCode.INVOKESTATIC, mainClassName,
REGEXP_INIT_METHOD_NAME, REGEXP_INIT_METHOD_SIGNATURE);
for (int i = 0; i != regexpCount; ++i) {
// Stack: proxy, array
cfw.add(ByteCode.DUP2);
cfw.addALoad(contextArg);
cfw.addALoad(scopeArg);
cfw.add(ByteCode.GETSTATIC, mainClassName,
getCompiledRegexpName(n, i), "Ljava/lang/Object;");
// Stack: compiledRegExp, scope, cx, proxy, array, proxy, array
cfw.addInvoke(ByteCode.INVOKEINTERFACE,
"org/mozilla/javascript/RegExpProxy",
"wrapRegExp",
"(Lorg/mozilla/javascript/Context;"
+"Lorg/mozilla/javascript/Scriptable;"
+"Ljava/lang/Object;"
+")Lorg/mozilla/javascript/Scriptable;");
// Stack: wrappedRegExp, array, proxy, array
cfw.addPush(i);
cfw.add(ByteCode.SWAP);
cfw.add(ByteCode.AASTORE);
// Stack: proxy, array
}
// remove proxy
cfw.add(ByteCode.POP);
}