mirror of
https://we.phorge.it/source/arcanist.git
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126 lines
2.9 KiB
C++
Executable file
126 lines
2.9 KiB
C++
Executable file
/*
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* Copyright 2011 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <cstdio>
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#include <cstdlib>
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#include <list>
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#include <string>
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namespace xhpast {
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class Token;
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typedef std::list<Token *> token_list_t;
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class Token {
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public:
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unsigned int type;
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std::string value;
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unsigned int lineno;
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unsigned int n;
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Token(unsigned int type, char *value, unsigned int n) :
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type(type),
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value(value),
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n(n) {
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}
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};
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class Node;
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typedef std::list<Node *> node_list_t;
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class Node {
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public:
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unsigned int type;
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int l_tok;
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int r_tok;
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node_list_t children;
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Node() : type(0), l_tok(-1), r_tok(-1) {};
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Node(unsigned int type) : type(type), l_tok(-1), r_tok(-1) {};
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Node(unsigned int type, int end_tok) :
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type(type) {
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this->l_tok = end_tok;
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this->r_tok = end_tok;
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}
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Node(unsigned int type, int l_tok, int r_tok) :
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type(type),
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l_tok(l_tok),
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r_tok(r_tok) {
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}
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Node *appendChild(Node *node) {
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this->children.push_back(node);
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return this->setEnd(node);
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}
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Node *appendChildren(Node *node) {
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for (node_list_t::iterator ii = node->children.begin(); ii != node->children.end(); ++ii) {
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this->children.push_back(*ii);
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this->setEnd(*ii);
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}
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return this;
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}
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Node *firstChild() {
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return *(this->children.begin());
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}
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Node *setType(unsigned int t) {
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this->type = t;
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return this;
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}
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Node *setEnd(Node *n) {
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if (!n) {
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fprintf(stderr, "Trying to setEnd() a null node to one of type %d\n", this->type);
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exit(1);
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}
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if (n->r_tok != -1 && (n->r_tok > this->r_tok || (this->r_tok == -1))) {
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this->r_tok = n->r_tok;
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}
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if (this->l_tok == -1) {
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this->l_tok = n->l_tok;
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}
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return this;
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}
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Node *setBegin(Node *n) {
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if (!n) {
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fprintf(stderr, "Trying to setBegin() a null node to one of type %d\n", this->type);
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exit(1);
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}
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if (n->l_tok != -1 && (n->l_tok < this->l_tok || (this->l_tok == -1))) {
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this->l_tok = n->l_tok;
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}
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if (this->r_tok == -1) {
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this->r_tok = n->r_tok;
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}
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return this;
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}
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};
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}
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