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javelinsymbols.cpp
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javelinsymbols.cpp
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#include "libfbjs/node.hpp"
#include "libfbjs/parser.hpp"
#include <iostream>
#include <string.h>
#include <map>
using namespace fbjs;
using namespace std;
typedef map<string, int> symbol_t;
#define for_nodes(p, i) \
for (node_list_t::iterator i = (p)->childNodes().begin(); \
i != (p)->childNodes().end(); \
++i)
string get_static_member_symbol(Node *node);
void find_symbols(Node *node, symbol_t &installs, symbol_t &behaviors,
symbol_t &uses) {
if (node == NULL) {
return;
}
if (typeid(*node) == typeid(NodeStaticMemberExpression)) {
string symbol = get_static_member_symbol(node);
if (symbol[0] == 'J' && symbol[1] == 'X' && symbol[2] == '.') {
uses[symbol] = node->lineno();
}
}
if (typeid(*node) == typeid(NodeFunctionCall)) {
Node *call = *node->childNodes().begin();
if (static_cast<NodeStaticMemberExpression *>(call)) {
string symbol = get_static_member_symbol(call);
if (symbol == "JX.install" || symbol == "JX.behavior") {
NodeArgList *args =
static_cast<NodeArgList*>(*(++node->childNodes().begin()));
NodeStringLiteral* lit =
static_cast<NodeStringLiteral*>(*args->childNodes().begin());
if (symbol == "JX.install") {
installs[lit->unquoted_value()] = node->lineno();
} else {
behaviors[lit->unquoted_value()] = node->lineno();
}
}
}
}
for_nodes(node, ii) {
find_symbols(*ii, installs, behaviors, uses);
}
}
string get_static_member_symbol(Node *node) {
string symbol = "";
if (node == NULL) {
return symbol;
}
for_nodes(node, ii) {
if (!(*ii)) {
break;
}
if (typeid(**ii) == typeid(NodeIdentifier)) {
NodeIdentifier *n = static_cast<NodeIdentifier *>(*ii);
if (symbol.length()) {
symbol += ".";
}
symbol += n->name();
} else if (typeid(**ii) == typeid(NodeStaticMemberExpression)) {
symbol += get_static_member_symbol(*ii);
}
}
return symbol;
}
int main(int argc, char* argv[]) {
try {
NodeProgram root(stdin); // parses
symbol_t installs;
symbol_t behaviors;
symbol_t uses;
find_symbols(&root, installs, behaviors, uses);
for (symbol_t::iterator ii = installs.begin(); ii != installs.end(); ++ii) {
cout << "+" << ii->first << ":" << ii->second << endl;
}
for (symbol_t::iterator ii = behaviors.begin(); ii != behaviors.end(); ++ii) {
cout << "*" << ii->first << ":" << ii->second << endl;
}
for (symbol_t::iterator ii = uses.begin(); ii != uses.end(); ++ii) {
cout << "?" << ii->first << ":" << ii->second << endl;
}
} catch (ParseException ex) {
printf("Parse Error: %s\n", ex.what());
return 1;
}
}

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javelinsymbols.cpp (2 KB)

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