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#ifndef NINJA_NINJA_H_
#define NINJA_NINJA_H_
#include <algorithm>
#include <queue>
#include <set>
#include <string>
#include <vector>
#include <assert.h>
using namespace std;
#include "eval_env.h"
#include "hash_map.h"
struct Edge;
struct FileStat;
struct Node;
struct Rule;
int ReadFile(const string& path, string* contents, string* err);
struct DiskInterface {
// stat() a file, returning the mtime, or 0 if missing and -1 on other errors.
virtual int Stat(const string& path) = 0;
// Create a directory, returning false on failure.
virtual bool MakeDir(const string& path) = 0;
// Read a file to a string. Fill in |err| on error.
virtual string ReadFile(const string& path, string* err) = 0;
// Create all the parent directories for path; like mkdir -p `basename path`.
bool MakeDirs(const string& path);
};
struct RealDiskInterface : public DiskInterface {
virtual int Stat(const string& path);
virtual bool MakeDir(const string& path);
virtual string ReadFile(const string& path, string* err);
};
struct StatCache {
typedef hash_map<string, FileStat*> Paths;
Paths paths_;
FileStat* GetFile(const string& path);
void Dump();
void Reload();
};
struct State {
State();
StatCache* stat_cache() { return &stat_cache_; }
void AddRule(const Rule* rule);
const Rule* LookupRule(const string& rule_name);
Edge* AddEdge(const Rule* rule);
Node* GetNode(const string& path);
Node* LookupNode(const string& path);
void AddIn(Edge* edge, const string& path);
void AddOut(Edge* edge, const string& path);
StatCache stat_cache_;
map<string, const Rule*> rules_;
vector<Edge*> edges_;
BindingEnv bindings_;
struct BuildLog* build_log_;
static const Rule kPhonyRule;
};
#endif // NINJA_NINJA_H_
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