82 lines
1.7 KiB
C++
82 lines
1.7 KiB
C++
#include "interpreter.h"
|
|
#include <cstdint>
|
|
#include <stdexcept>
|
|
#include <unordered_map>
|
|
#include <unordered_set>
|
|
#include <vector>
|
|
|
|
namespace fallout {
|
|
|
|
using ArrayId = unsigned int;
|
|
|
|
static ArrayId nextArrayID = 1;
|
|
static ArrayId stackArrayId = 1;
|
|
|
|
using ArraysMap = std::unordered_map<ArrayId, SFallArray>;
|
|
|
|
ArraysMap arrays;
|
|
std::unordered_set<ArrayId> temporaryArrays;
|
|
|
|
class SFallArrayElement : public ProgramValue {
|
|
public:
|
|
SFallArrayElement()
|
|
{
|
|
opcode = VALUE_TYPE_INT;
|
|
integerValue = 0;
|
|
}
|
|
};
|
|
|
|
#define ARRAYFLAG_ASSOC (1) // is map
|
|
#define ARRAYFLAG_CONSTVAL (2) // don't update value of key if the key exists in map
|
|
#define ARRAYFLAG_RESERVED (4)
|
|
|
|
#define ARRAY_MAX_STRING (255) // maximum length of string to be stored as array key or value
|
|
#define ARRAY_MAX_SIZE (100000) // maximum number of array elements,
|
|
|
|
class SFallArray {
|
|
private:
|
|
public:
|
|
uint32_t flags;
|
|
|
|
SFallArray() = delete;
|
|
|
|
SFallArray(unsigned int len, uint32_t flags)
|
|
: flags(flags)
|
|
{
|
|
data.resize(len);
|
|
}
|
|
std::vector<SFallArrayElement> data;
|
|
};
|
|
|
|
ArrayId CreateArray(int len, uint32_t flags)
|
|
{
|
|
flags = (flags & ~1); // reset 1 bit
|
|
|
|
if (len < 0) {
|
|
flags |= ARRAYFLAG_ASSOC;
|
|
throw(std::invalid_argument("Not implemented yet"));
|
|
};
|
|
|
|
if (len > ARRAY_MAX_SIZE) {
|
|
len = ARRAY_MAX_SIZE; // safecheck
|
|
}
|
|
|
|
SFallArray arr { len, flags };
|
|
|
|
ArrayId array_id = nextArrayID++;
|
|
|
|
stackArrayId = array_id;
|
|
|
|
arrays[array_id] = std::move(arr);
|
|
|
|
return array_id;
|
|
}
|
|
|
|
ArrayId CreateTempArray(int len, uint32_t flags)
|
|
{
|
|
ArrayId array_id = CreateArray(len, flags);
|
|
temporaryArrays.insert(array_id);
|
|
return array_id;
|
|
}
|
|
|
|
} |