Files
Airport/box/lib_node.c
2023-02-23 03:35:05 +11:00

665 lines
18 KiB
C

#include "lib_node.h"
#include "box_engine_node.h"
#include "box_engine.h"
#include "repl_tools.h"
#include "toy_literal_array.h"
#include "toy_memory.h"
#include "lib_runner.h"
#include <stdlib.h>
static int nativeLoadNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 1) {
interpreter->errorOutput("Incorrect number of arguments passed to loadNode\n");
return -1;
}
//extract the arguments
Toy_Literal drivePathLiteral = Toy_popLiteralArray(arguments);
Toy_Literal drivePathLiteralIdn = drivePathLiteral;
if (TOY_IS_IDENTIFIER(drivePathLiteral) && Toy_parseIdentifierToValue(interpreter, &drivePathLiteral)) {
Toy_freeLiteral(drivePathLiteralIdn);
}
//check argument types
if (!TOY_IS_STRING(drivePathLiteral)) {
interpreter->errorOutput("Incorrect argument type passed to loadNode\n");
Toy_freeLiteral(drivePathLiteral);
return -1;
}
Toy_Literal filePathLiteral = Toy_getFilePathLiteral(interpreter, &drivePathLiteral);
if (!TOY_IS_STRING(filePathLiteral)) {
Toy_freeLiteral(drivePathLiteral);
Toy_freeLiteral(filePathLiteral);
return -1;
}
Toy_freeLiteral(drivePathLiteral); //not needed anymore
//load the new node
size_t size = 0;
const unsigned char* source = Toy_readFile(Toy_toCString(TOY_AS_STRING(filePathLiteral)), &size);
const unsigned char* tb = Toy_compileString((const char*)source, &size);
free((void*)source);
Box_EngineNode* node = TOY_ALLOCATE(Box_EngineNode, 1);
//BUGFIX: make an inner-interpreter
Toy_Interpreter inner;
//init the inner interpreter manually
Toy_initLiteralArray(&inner.literalCache);
inner.scope = Toy_pushScope(NULL);
inner.bytecode = tb;
inner.length = size;
inner.count = 0;
inner.codeStart = -1;
inner.depth = interpreter->depth + 1;
inner.panic = false;
Toy_initLiteralArray(&inner.stack);
inner.hooks = interpreter->hooks;
Toy_setInterpreterPrint(&inner, interpreter->printOutput);
Toy_setInterpreterAssert(&inner, interpreter->assertOutput);
Toy_setInterpreterError(&inner, interpreter->errorOutput);
Box_initEngineNode(node, &inner, tb, size);
// return the node
Toy_Literal nodeLiteral = TOY_TO_OPAQUE_LITERAL(node, node->tag);
Toy_pushLiteralArray(&interpreter->stack, nodeLiteral);
//cleanup
while (inner.scope) {
inner.scope = Toy_popScope(inner.scope);
}
Toy_freeLiteralArray(&inner.stack);
Toy_freeLiteralArray(&inner.literalCache);
Toy_freeLiteral(filePathLiteral);
Toy_freeLiteral(nodeLiteral);
return 1;
}
static int nativeInitNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 1) {
interpreter->errorOutput("Incorrect number of arguments passed to initNode\n");
return -1;
}
Toy_Literal node = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = node;
if (TOY_IS_IDENTIFIER(node) && Toy_parseIdentifierToValue(interpreter, &node)) {
Toy_freeLiteral(nodeIdn);
}
//check argument types
if (!TOY_IS_OPAQUE(node)) {
interpreter->errorOutput("Incorrect argument type passed to initNode\n");
Toy_freeLiteral(node);
return -1;
}
Box_EngineNode* engineNode = TOY_AS_OPAQUE(node);
//init the new node (and ONLY this node)
Box_callEngineNode(engineNode, &engine.interpreter, "onInit", NULL);
//cleanup
Toy_freeLiteral(node);
return 0;
}
static int nativeFreeChildNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 2) {
interpreter->errorOutput("Incorrect number of arguments passed to freeChildNode\n");
return -1;
}
Toy_Literal index = Toy_popLiteralArray(arguments);
Toy_Literal node = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = node; //annoying
if (TOY_IS_IDENTIFIER(node) && Toy_parseIdentifierToValue(interpreter, &node)) {
Toy_freeLiteral(nodeIdn);
}
//check argument types
if (!TOY_IS_OPAQUE(node) || !TOY_IS_INTEGER(index)) {
interpreter->errorOutput("Incorrect argument type passed to freeChildNode\n");
Toy_freeLiteral(node);
return -1;
}
Box_EngineNode* parentNode = TOY_AS_OPAQUE(node);
int idx = TOY_AS_INTEGER(index);
//check bounds
if (idx < 0 || idx >= parentNode->count) {
interpreter->errorOutput("Node index out of bounds in freeChildNode\n");
Toy_freeLiteral(node);
Toy_freeLiteral(index);
return -1;
}
//get the child node
Box_EngineNode* childNode = parentNode->children[idx];
//free the node
if (childNode != NULL) {
Box_callRecursiveEngineNode(childNode, &engine.interpreter, "onFree", NULL);
Box_freeEngineNode(childNode);
}
parentNode->children[idx] = NULL;
//cleanup
Toy_freeLiteral(node);
Toy_freeLiteral(index);
return 0;
}
static int nativePushNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
//checks
if (arguments->count != 2) {
interpreter->errorOutput("Incorrect number of arguments passed to pushNode\n");
return -1;
}
Toy_Literal child = Toy_popLiteralArray(arguments);
Toy_Literal parent = Toy_popLiteralArray(arguments);
Toy_Literal parentIdn = parent;
if (TOY_IS_IDENTIFIER(parent) && Toy_parseIdentifierToValue(interpreter, &parent)) {
Toy_freeLiteral(parentIdn);
}
Toy_Literal childIdn = child;
if (TOY_IS_IDENTIFIER(child) && Toy_parseIdentifierToValue(interpreter, &child)) {
Toy_freeLiteral(childIdn);
}
if (!TOY_IS_OPAQUE(parent) || !TOY_IS_OPAQUE(child)) {
interpreter->errorOutput("Incorrect argument type passed to pushNode\n");
Toy_freeLiteral(parent);
Toy_freeLiteral(child);
return -1;
}
//push the node
Box_EngineNode* parentNode = TOY_AS_OPAQUE(parent);
Box_EngineNode* childNode = TOY_AS_OPAQUE(child);
Box_pushEngineNode(parentNode, childNode);
//no return value
Toy_freeLiteral(parent);
Toy_freeLiteral(child);
return 0;
}
static int nativeGetNodeChild(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
//checks
if (arguments->count != 2) {
interpreter->errorOutput("Incorrect number of arguments passed to getNodeChild\n");
return -1;
}
Toy_Literal index = Toy_popLiteralArray(arguments);
Toy_Literal parent = Toy_popLiteralArray(arguments);
Toy_Literal parentIdn = parent;
if (TOY_IS_IDENTIFIER(parent) && Toy_parseIdentifierToValue(interpreter, &parent)) {
Toy_freeLiteral(parentIdn);
}
if (!TOY_IS_OPAQUE(parent) || !TOY_IS_INTEGER(index)) {
interpreter->errorOutput("Incorrect argument type passed to getNodeChild\n");
Toy_freeLiteral(parent);
Toy_freeLiteral(index);
return -1;
}
//push the node
Box_EngineNode* parentNode = TOY_AS_OPAQUE(parent);
int intIndex = TOY_AS_INTEGER(index);
if (intIndex < 0 || intIndex >= parentNode->count) {
interpreter->errorOutput("index out of bounds in getNodeChild\n");
Toy_freeLiteral(parent);
Toy_freeLiteral(index);
return -1;
}
Box_EngineNode* childNode = parentNode->children[intIndex];
Toy_Literal child = TOY_TO_OPAQUE_LITERAL(childNode, childNode->tag);
Toy_pushLiteralArray(&interpreter->stack, child);
//no return value
Toy_freeLiteral(parent);
Toy_freeLiteral(child);
Toy_freeLiteral(index);
return 1;
}
static int nativeGetNodeParent(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
//checks
if (arguments->count != 1) {
interpreter->errorOutput("Incorrect number of arguments passed to getNodeParent\n");
return -1;
}
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
if (!TOY_IS_OPAQUE(nodeLiteral)) {
interpreter->errorOutput("Incorrect argument type passed to getNodeParent\n");
Toy_freeLiteral(nodeLiteral);
return -1;
}
//push the node
Box_EngineNode* node = TOY_AS_OPAQUE(nodeLiteral);
Box_EngineNode* parent = node->parent;
Toy_Literal parentLiteral = TOY_TO_NULL_LITERAL;
if (parent != NULL) {
parentLiteral = TOY_TO_OPAQUE_LITERAL(parent, parent->tag);
}
Toy_pushLiteralArray(&interpreter->stack, parentLiteral);
//cleanup
Toy_freeLiteral(parentLiteral);
Toy_freeLiteral(nodeLiteral);
return 1;
}
static int nativeLoadTexture(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 2) {
interpreter->errorOutput("Incorrect number of arguments passed to loadTexture\n");
return -1;
}
//extract the arguments
Toy_Literal drivePathLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal drivePathLiteralIdn = drivePathLiteral;
if (TOY_IS_IDENTIFIER(drivePathLiteral) && Toy_parseIdentifierToValue(interpreter, &drivePathLiteral)) {
Toy_freeLiteral(drivePathLiteralIdn);
}
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
//check argument types
if (!TOY_IS_STRING(drivePathLiteral) || !TOY_IS_OPAQUE(nodeLiteral)) {
interpreter->errorOutput("Incorrect argument type passed to loadTexture\n");
Toy_freeLiteral(drivePathLiteral);
Toy_freeLiteral(nodeLiteral);
return -1;
}
Toy_Literal filePathLiteral = Toy_getFilePathLiteral(interpreter, &drivePathLiteral);
if (!TOY_IS_STRING(filePathLiteral)) {
Toy_freeLiteral(drivePathLiteral);
Toy_freeLiteral(filePathLiteral);
return -1;
}
Toy_freeLiteral(drivePathLiteral); //not needed anymore
//actually load TODO: number the opaques, and check the numbers
Box_EngineNode* node = (Box_EngineNode*)TOY_AS_OPAQUE(nodeLiteral);
if (node->texture != NULL) {
Box_freeTextureEngineNode(node);
}
if (Box_loadTextureEngineNode(node, Toy_toCString(TOY_AS_STRING(filePathLiteral))) != 0) {
interpreter->errorOutput("Failed to load the texture into the EngineNode\n");
Toy_freeLiteral(filePathLiteral);
Toy_freeLiteral(nodeLiteral);
return -1;
}
//cleanup
Toy_freeLiteral(filePathLiteral);
Toy_freeLiteral(nodeLiteral);
return 0;
}
static int nativeFreeTexture(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 1) {
interpreter->errorOutput("Incorrect number of arguments passed to freeTexture\n");
return -1;
}
//extract the arguments
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
//check argument types
if (!TOY_IS_OPAQUE(nodeLiteral)) {
interpreter->errorOutput("Incorrect argument type passed to freeTexture\n");
Toy_freeLiteral(nodeLiteral);
return -1;
}
//actually load TODO: number the opaques, and check the numbers
Box_EngineNode* node = (Box_EngineNode*)TOY_AS_OPAQUE(nodeLiteral);
if (node->texture != NULL) {
Box_freeTextureEngineNode(node);
}
//cleanup
Toy_freeLiteral(nodeLiteral);
return 0;
}
static int nativeSetRect(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 5) {
interpreter->errorOutput("Incorrect number of arguments passed to setRect\n");
return -1;
}
//extract the arguments
Toy_Literal h = Toy_popLiteralArray(arguments);
Toy_Literal w = Toy_popLiteralArray(arguments);
Toy_Literal y = Toy_popLiteralArray(arguments);
Toy_Literal x = Toy_popLiteralArray(arguments);
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
Toy_Literal xi = x;
if (TOY_IS_IDENTIFIER(x) && Toy_parseIdentifierToValue(interpreter, &x)) {
Toy_freeLiteral(xi);
}
Toy_Literal yi = y;
if (TOY_IS_IDENTIFIER(y) && Toy_parseIdentifierToValue(interpreter, &y)) {
Toy_freeLiteral(yi);
}
Toy_Literal wi = w;
if (TOY_IS_IDENTIFIER(w) && Toy_parseIdentifierToValue(interpreter, &w)) {
Toy_freeLiteral(wi);
}
Toy_Literal hi = h;
if (TOY_IS_IDENTIFIER(h) && Toy_parseIdentifierToValue(interpreter, &h)) {
Toy_freeLiteral(hi);
}
//check argument types
if (!TOY_IS_OPAQUE(nodeLiteral) || !TOY_IS_INTEGER(x) || !TOY_IS_INTEGER(y) || !TOY_IS_INTEGER(w) || !TOY_IS_INTEGER(h)) {
interpreter->errorOutput("Incorrect argument type passed to setRect\n");
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(x);
Toy_freeLiteral(y);
Toy_freeLiteral(w);
Toy_freeLiteral(h);
return -1;
}
//actually set
Box_EngineNode* node = (Box_EngineNode*)TOY_AS_OPAQUE(nodeLiteral);
SDL_Rect r = {TOY_AS_INTEGER(x), TOY_AS_INTEGER(y), TOY_AS_INTEGER(w), TOY_AS_INTEGER(h)};
Box_setRectEngineNode(node, r);
//cleanup
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(x);
Toy_freeLiteral(y);
Toy_freeLiteral(w);
Toy_freeLiteral(h);
return 0;
}
//TODO: get x, y, w, h
static int nativeDrawNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
if (arguments->count != 3 && arguments->count != 5) {
interpreter->errorOutput("Incorrect number of arguments passed to drawNode\n");
return -1;
}
//extract the arguments
Toy_Literal w = TOY_TO_NULL_LITERAL, h = TOY_TO_NULL_LITERAL;
if (arguments->count == 5) {
h = Toy_popLiteralArray(arguments);
w = Toy_popLiteralArray(arguments);
}
Toy_Literal y = Toy_popLiteralArray(arguments);
Toy_Literal x = Toy_popLiteralArray(arguments);
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
Toy_Literal xi = x;
if (TOY_IS_IDENTIFIER(x) && Toy_parseIdentifierToValue(interpreter, &x)) {
Toy_freeLiteral(xi);
}
Toy_Literal yi = y;
if (TOY_IS_IDENTIFIER(y) && Toy_parseIdentifierToValue(interpreter, &y)) {
Toy_freeLiteral(yi);
}
Toy_Literal wi = w;
if (TOY_IS_IDENTIFIER(w) && Toy_parseIdentifierToValue(interpreter, &w)) {
Toy_freeLiteral(wi);
}
Toy_Literal hi = h;
if (TOY_IS_IDENTIFIER(h) && Toy_parseIdentifierToValue(interpreter, &h)) {
Toy_freeLiteral(hi);
}
//check argument types
if (!TOY_IS_OPAQUE(nodeLiteral) || !TOY_IS_INTEGER(x) || !TOY_IS_INTEGER(y) || (!TOY_IS_INTEGER(w) && !TOY_IS_NULL(w)) || (!TOY_IS_INTEGER(h) && !TOY_IS_NULL(h))) {
interpreter->errorOutput("Incorrect argument type passed to drawNode\n");
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(x);
Toy_freeLiteral(y);
Toy_freeLiteral(w);
Toy_freeLiteral(h);
return -1;
}
//actually render
Box_EngineNode* node = (Box_EngineNode*)TOY_AS_OPAQUE(nodeLiteral);
SDL_Rect r = {TOY_AS_INTEGER(x), TOY_AS_INTEGER(y), 0, 0};
if (TOY_IS_INTEGER(w) && TOY_IS_INTEGER(h)) {
r.w = TOY_AS_INTEGER(w);
r.h = TOY_AS_INTEGER(h);
}
else {
r.w = node->rect.w;
r.h = node->rect.h;
}
Box_drawEngineNode(node, r);
//cleanup
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(x);
Toy_freeLiteral(y);
Toy_freeLiteral(w);
Toy_freeLiteral(h);
return 0;
}
static int nativeCallNode(Toy_Interpreter* interpreter, Toy_LiteralArray* arguments) {
//checks
if (arguments->count < 2) {
interpreter->errorOutput("Too few arguments passed to callNode\n");
return -1;
}
Toy_LiteralArray extraArgs;
Toy_initLiteralArray(&extraArgs);
//extract the extra arg values
while (arguments->count > 2) {
Toy_Literal tmp = Toy_popLiteralArray(arguments);
Toy_Literal idn = tmp; //there's almost certainly a better way of doing all of this stuff
if (TOY_IS_IDENTIFIER(tmp) && Toy_parseIdentifierToValue(interpreter, &tmp)) {
Toy_freeLiteral(idn);
}
Toy_pushLiteralArray(&extraArgs, tmp);
Toy_freeLiteral(tmp);
}
//back on track
Toy_Literal fnName = Toy_popLiteralArray(arguments);
Toy_Literal nodeLiteral = Toy_popLiteralArray(arguments);
Toy_Literal nodeIdn = nodeLiteral;
if (TOY_IS_IDENTIFIER(nodeLiteral) && Toy_parseIdentifierToValue(interpreter, &nodeLiteral)) {
Toy_freeLiteral(nodeIdn);
}
Toy_Literal fnNameIdn = fnName;
if (TOY_IS_IDENTIFIER(fnName) && Toy_parseIdentifierToValue(interpreter, &fnName)) {
Toy_freeLiteral(fnNameIdn);
}
if (!TOY_IS_OPAQUE(nodeLiteral) || !TOY_IS_STRING(fnName)) {
interpreter->errorOutput("Incorrect argument type passed to callNode\n");
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(fnName);
return -1;
}
//allow refstring to do it's magic
Toy_Literal fnNameIdentifier = TOY_TO_IDENTIFIER_LITERAL(Toy_copyRefString(TOY_AS_STRING(fnName)));
//call the function
Toy_Literal result = Box_callEngineNodeLiteral(TOY_AS_OPAQUE(nodeLiteral), interpreter, fnNameIdentifier, &extraArgs);
Toy_pushLiteralArray(&interpreter->stack, result);
//cleanup
Toy_freeLiteralArray(&extraArgs);
Toy_freeLiteral(fnNameIdentifier);
Toy_freeLiteral(nodeLiteral);
Toy_freeLiteral(fnName);
Toy_freeLiteral(result);
return 1;
}
//call the hook
typedef struct Natives {
char* name;
Toy_NativeFn fn;
} Natives;
int Box_hookNode(Toy_Interpreter* interpreter, Toy_Literal identifier, Toy_Literal alias) {
//build the natives list
Natives natives[] = {
{"loadNode", nativeLoadNode},
{"initNode", nativeInitNode},
{"freeChildNode", nativeFreeChildNode},
{"pushNode", nativePushNode},
{"getNodeChild", nativeGetNodeChild},
{"getNodeParent", nativeGetNodeParent},
{"loadTexture", nativeLoadTexture},
{"freeTexture", nativeFreeTexture},
{"setRect", nativeSetRect},
{"drawNode", nativeDrawNode},
{"callNode", nativeCallNode},
{NULL, NULL},
};
//store the library in an aliased dictionary
if (!TOY_IS_NULL(alias)) {
//make sure the name isn't taken
if (Toy_isDelcaredScopeVariable(interpreter->scope, alias)) {
interpreter->errorOutput("Can't override an existing variable\n");
Toy_freeLiteral(alias);
return false;
}
//create the dictionary to load up with functions
Toy_LiteralDictionary* dictionary = TOY_ALLOCATE(Toy_LiteralDictionary, 1);
Toy_initLiteralDictionary(dictionary);
//load the dict with functions
for (int i = 0; natives[i].name; i++) {
Toy_Literal name = TOY_TO_STRING_LITERAL(Toy_createRefString(natives[i].name));
Toy_Literal func = TOY_TO_FUNCTION_NATIVE_LITERAL(natives[i].fn);
Toy_setLiteralDictionary(dictionary, name, func);
Toy_freeLiteral(name);
Toy_freeLiteral(func);
}
//build the type
Toy_Literal type = TOY_TO_TYPE_LITERAL(TOY_LITERAL_DICTIONARY, true);
Toy_Literal strType = TOY_TO_TYPE_LITERAL(TOY_LITERAL_STRING, true);
Toy_Literal fnType = TOY_TO_TYPE_LITERAL(TOY_LITERAL_FUNCTION_NATIVE, true);
TOY_TYPE_PUSH_SUBTYPE(&type, strType);
TOY_TYPE_PUSH_SUBTYPE(&type, fnType);
//set scope
Toy_Literal dict = TOY_TO_DICTIONARY_LITERAL(dictionary);
Toy_declareScopeVariable(interpreter->scope, alias, type);
Toy_setScopeVariable(interpreter->scope, alias, dict, false);
//cleanup
Toy_freeLiteral(dict);
Toy_freeLiteral(type);
return 0;
}
//default
for (int i = 0; natives[i].name; i++) {
Toy_injectNativeFn(interpreter, natives[i].name, natives[i].fn);
}
return 0;
}