add example gdl script for filter path in call chain. #114

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,55 @@
	// script
	use coref::java::*

	pub fn default_java_db() -> JavaDB {
	return JavaDB::load("coref_java_src.db")
	}

	//过滤用文件夹名,可修改
	pub fn FOLDERNAMES(n: string) -> bool {
	[
	{"/ibatis/"},
	{"/dao/"},
	{"/test/"}
	]
	}

	//用文件夹名进行过滤
	pub fn filterByFolderNames(d: File) -> bool {
	for (m in string::__undetermined_all__(),
	n in string::__undetermined_all__()) {
	if (n = d.getRelativePath() && FOLDERNAMES(m) && n.contains(m)) {
	return true
	}
	}
	}

	pub fn getIndirectEdges(b: Callable, c: Callable) -> bool {
	if (b in c.getAnAncestorCaller()) {
	return true
	}
	}

	pub fn getDirectEdges(b: Callable, c: Callable) -> bool {
	if (c in b.getCallee()) {
	return true
	}
	}

	// 基于路径过滤的调用关系输出
	pub fn output_signature(caller: string, callee: string) -> bool {
	for(b in Callable(default_java_db()), c in Callable(default_java_db())) {
	let (b_file = b.getLocation().getFile(), c_file = c.getLocation().getFile()) {
	if (!filterByFolderNames(b_file) && !filterByFolderNames(c_file)) {
	if (getIndirectEdges(b, c) \|\| getDirectEdges(b, c)) {
	return caller = b.getSignature() && callee = c.getSignature()
	}
	}
	}
	}
	}

	pub fn main() {
	// 输出按路径过滤后的调用链
	output(output_signature())
	}

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