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TegraExplorer/source/script/genericClass.c
2021-07-28 00:46:39 +02:00

297 lines
No EOL
8.1 KiB
C

#include "genericClass.h"
#include "model.h"
#include "intClass.h"
#include "compat.h"
#include "eval.h"
#include <string.h>
#include "garbageCollector.h"
#include "StringClass.h"
#include "arrayClass.h"
#include "arrayReferenceClass.h"
#include "functionClass.h"
#include "scriptError.h"
#include "saveClass.h"
#include "unsolvedArrayClass.h"
#include "else.h"
#include "dictionaryClass.h"
Variable_t* copyVariableToPtr(Variable_t var) {
Variable_t* a = malloc(sizeof(Variable_t));
*a = var;
a->tagCount = 0;
addPendingReference(a);
return a;
}
MemberGetters_t memberGetters[] = {
{IntClass, getIntegerMember},
{StringClass, getStringMember},
{IntArrayClass, getArrayMember},
{StringArrayClass, getArrayMember},
{ByteArrayClass, getArrayMember},
{SolvedArrayReferenceClass, getArrayReferenceMember},
{UnresolvedArrayClass, getUnsolvedArrayMember},
{ElseClass, getElseMember},
{DictionaryClass, getDictMember},
#ifndef WIN32
{SaveClass, getSaveMember},
#endif
};
Variable_t* genericGet(Variable_t* var, CallArgs_t* ref) {
if (ref->extraAction == ActionExtraMemberName) {
for (u32 i = 0; i < ARRAY_SIZE(memberGetters); i++) {
if (var->variableType == memberGetters[i].classType) {
Variable_t member = memberGetters[i].func(var, ref->extra);
if (member.variableType == None)
break;
if (member.variableType == ReferenceType) {
return member.referenceType;
}
addPendingReference(var); // So caller doesn't fall out of scope. Don't forget to free!
return copyVariableToPtr(member);
}
}
SCRIPT_FATAL_ERR("Did not find member '%s'", ref->extra);
}
else if (ref->extraAction == ActionExtraArrayIndex) {
Function_t* idx = ref->extra;
Variable_t *solvedIdx = eval(idx->operations.data, idx->operations.count, 1);
if (solvedIdx->variableType != IntClass) {
SCRIPT_FATAL_ERR("Index is not an integer");
}
Variable_t* res = callMemberFunctionDirect(var, "get", &solvedIdx, 1);
removePendingReference(solvedIdx);
return res;
}
SCRIPT_FATAL_ERR("???");
}
Variable_t* genericCallDirect(Variable_t* var, Variable_t** args, u8 len) {
if (var->variableType != FunctionClass){
SCRIPT_FATAL_ERR("Call on non function class");
}
if (var->function.builtIn) {
for (u32 i = 0; i < var->function.len; i++) {
if (var->function.builtInPtr[i].argCount == len || var->function.builtInPtr[i].argCount == VARARGCOUNT) {
int valid = 1;
if (var->function.builtInPtr[i].argCount != VARARGCOUNT) {
for (u32 j = 0; j < var->function.builtInPtr[i].argCount; j++) {
if (var->function.builtInPtr[i].argTypes[j] != args[j]->variableType && var->function.builtInPtr[i].argTypes[j] != VARARGCOUNT) {
valid = 0;
break;
}
}
}
if (valid) {
return var->function.builtInPtr[i].func(var->function.origin, args, len);
}
}
}
}
else {
Variable_t *ret = eval(var->function.function.operations.data, var->function.function.operations.count, 1);
if (ret == NULL)
return NULL;
removePendingReference(ret);
return &emptyClass;
}
SCRIPT_FATAL_ERR("Arguments do not match function defenition(s)");
}
Variable_t* genericCall(Variable_t* var, CallArgs_t* ref) {
if (var->variableType != FunctionClass){
SCRIPT_FATAL_ERR("Call on non function class");
}
Function_t* f = ref->extra;
if (var->function.builtIn) {
if (f->operations.count == 0) {
return genericCallDirect(var, NULL, 0);
}
else {
//Vector_t argsHolder = newVec(sizeof(Variable_t*), 1);
Variable_t** argsHolder = NULL;
if (var->function.builtInPtr->argCount != 0)
argsHolder = malloc(sizeof(Variable_t*) * var->function.builtInPtr->argCount);
int argCount = 0;
int lasti = 0;
Operator_t* ops = f->operations.data;
int tooManyArgs = 0;
// Loops trough the function to get all args out
for (int i = 0; i < f->operations.count; i++) {
if (ops[i].token == EquationSeperator || i + 1 == f->operations.count) {
if (i + 1 == f->operations.count)
i++;
if (argCount == var->function.builtInPtr->argCount) {
tooManyArgs = 1;
break;
}
if (var->function.firstArgAsFunction && argCount == 0) {
Function_t f = { .operations = vecFromArray(&ops[lasti], i - lasti, sizeof(Operator_t)) };
Variable_t var = newFunctionVariable(createFunctionClass(f, NULL));
var.reference = 1;
Variable_t* varPtr = copyVariableToPtr(var);
//vecAdd(&argsHolder, varPtr);
argsHolder[argCount++] = varPtr;
}
else {
Variable_t* var = eval(&ops[lasti], i - lasti, 1);
if (var == NULL)
return NULL; // maybe free first?
//vecAdd(&argsHolder, var);
argsHolder[argCount++] = var;
}
lasti = i + 1;
}
}
Variable_t* res = NULL;
if (!tooManyArgs)
res = genericCallDirect(var, argsHolder, argCount);
else {
SCRIPT_FATAL_ERR("Too many args provided (got more than %d)", argCount);
}
for (int i = 0; i < argCount; i++)
removePendingReference(argsHolder[i]);
//vecForEach(Variable_t**, tofree, (&argsHolder))
// removePendingReference(*tofree);
FREE(argsHolder);
return res;
}
}
else {
if (f->operations.count){
if (eval(f->operations.data, f->operations.count, 0) == NULL)
return NULL;
}
if (eval(var->function.function.operations.data, var->function.function.operations.count, 0) == NULL)
return NULL;
return &emptyClass;
}
}
// TODO: add staticStorage
Variable_t getGenericFunctionMember(Variable_t* var, char* memberName, ClassFunctionTableEntry_t* entries, u8 len) {
Variable_t newVar = {.readOnly = 1, .variableType = FunctionClass};
newVar.function.origin = var;
newVar.function.builtIn = 1;
for (u32 i = 0; i < len; i++) {
if (!strcmp(entries[i].name, memberName)) {
newVar.function.builtInPtr = &entries[i];
u32 j = i;
for (; j < len && !strcmp(entries[j].name, memberName); j++);
newVar.function.len = j - i;
return newVar;
}
}
return (Variable_t){ 0 };
}
Variable_t* callMemberFunction(Variable_t* var, char* memberName, CallArgs_t* args) {
for (u32 i = 0; i < ARRAY_SIZE(memberGetters); i++) {
if (var->variableType == memberGetters[i].classType) {
Variable_t funcRef = memberGetters[i].func(var, memberName);
if (funcRef.variableType == None) {
SCRIPT_FATAL_ERR("Did not find member '%s'", memberName);
}
Variable_t* ptr = &funcRef;
if (funcRef.variableType == ReferenceType) {
ptr = funcRef.referenceType;
}
return genericCall(ptr, args);
}
}
SCRIPT_FATAL_ERR("Could not find function table for given type");
}
Variable_t* callMemberFunctionDirect(Variable_t* var, char* memberName, Variable_t** args, u8 argsLen) {
for (u32 i = 0; i < ARRAY_SIZE(memberGetters); i++) {
if (var->variableType == memberGetters[i].classType) {
Variable_t funcRef = memberGetters[i].func(var, memberName);
if (funcRef.variableType == None) {
SCRIPT_FATAL_ERR("Did not find member '%s'", memberName);
}
Variable_t* ptr = &funcRef;
if (funcRef.variableType == ReferenceType) {
ptr = funcRef.referenceType;
}
return genericCallDirect(ptr, args, argsLen);
}
}
SCRIPT_FATAL_ERR("Could not find function table for given type");
}
void freeVariableInternal(Variable_t* referencedTarget) {
switch (referencedTarget->variableType) {
case StringClass:
FREE(referencedTarget->string.value);
break;
case StringArrayClass:
vecForEach(char**, stringsInArray, (&referencedTarget->solvedArray.vector)) {
FREE(*stringsInArray);
}
case ByteArrayClass:
case IntArrayClass:
vecFree(referencedTarget->solvedArray.vector);
break;
case DictionaryClass:;
vecForEach(Dict_t*, dict, (&referencedTarget->dictionary.vector)) {
modReference(dict->var, 0);
free(dict->name);
}
FREE(referencedTarget->dictionary.vector.data);
break;
case SaveClass:;
#ifndef WIN32
save_free_contexts(&referencedTarget->save->saveCtx);
f_close(&referencedTarget->save->saveFile);
FREE(referencedTarget->save);
#endif // !WIN32
break;
}
}
void freeVariable(Variable_t** target) {
// Add specific freeing logic here
Variable_t* referencedTarget = *target;
if (!referencedTarget->reference) {
freeVariableInternal(referencedTarget);
}
FREE(referencedTarget);
*target = NULL;
}