#include <stdio.h>
#include <string.h>
#include "ast.h"
+#include <inttypes.h>
-//#define DEBUG_F(v...) printf(v)
-#define DEBUG_F(v...)
+#define TRACE 0
+
+#if TRACE
+# define DEBUG_F(v...) printf(v)
+#else
+# define DEBUG_F(v...)
+#endif
// === IMPORTS ===
extern void AST_RuntimeError(tAST_Node *Node, const char *Format, ...);
{
uint8_t Type;
union {
- uint64_t Integer;
- double Real;
+ int64_t Integer;
+ double Real;
tSpiderValue *Reference; // Used for everything else
tSpiderObject *Object;
tSpiderNamespace *Namespace;
case SS_DATATYPE_INTEGER:
return !!Ent->Integer;
case SS_DATATYPE_REAL:
- return (-.5f < Ent->Real && Ent->Real < 0.5f);
+ return !(-.5f < Ent->Real && Ent->Real < 0.5f);
case SS_DATATYPE_OBJECT:
return Ent->Object != NULL;
case ET_FUNCTION_START:
tmp = malloc(sizeof(tSpiderValue));
tmp->ReferenceCount = 1;
} else {
+ // Stops a stack value from having free() called on it
tmp->ReferenceCount = 2;
}
break;
AST_RuntimeError(NULL, "_GetSpiderValue on ET_FUNCTION_START");
return NULL;
default:
+ SpiderScript_ReferenceValue(Ent->Reference);
return Ent->Reference;
}
}
case SS_DATATYPE_OBJECT:
Ent->Type = SS_DATATYPE_OBJECT;
Ent->Object = Value->Object;
+ Ent->Object->ReferenceCount ++;
break;
default:
SpiderScript_ReferenceValue(Value);
{
case SS_DATATYPE_INTEGER:
case SS_DATATYPE_REAL:
+ break;
+ case SS_DATATYPE_OBJECT:
+ if(Ent->Object) {
+ Ent->Object->ReferenceCount --;
+ if(Ent->Object->ReferenceCount == 0) {
+ Ent->Object->Type->Destructor( Ent->Object );
+ }
+// printf("Object %p derefed (obj refcount = %i)\n", Ent->Object, Ent->Object->ReferenceCount);
+ }
+ Ent->Object = NULL;
+ break;
+ default:
+ if(Ent->Reference)
+ SpiderScript_DereferenceValue(Ent->Reference);
+ Ent->Reference = NULL;
+ break;
+ }
+}
+void Bytecode_int_RefStackValue(tBC_StackEnt *Ent)
+{
+ switch(Ent->Type)
+ {
+ case SS_DATATYPE_INTEGER:
+ case SS_DATATYPE_REAL:
+ break;
+ case SS_DATATYPE_OBJECT:
+ if(Ent->Object) {
+ Ent->Object->ReferenceCount ++;
+// printf("Object %p referenced (count = %i)\n", Ent->Object, Ent->Object->ReferenceCount);
+ }
+ break;
+ default:
+ if(Ent->Reference)
+ SpiderScript_ReferenceValue(Ent->Reference);
+ break;
+ }
+}
+
+void Bytecode_int_PrintStackValue(tBC_StackEnt *Ent)
+{
+ switch(Ent->Type)
+ {
+ case SS_DATATYPE_INTEGER:
+ printf("0x%"PRIx64, Ent->Integer);
+ break;
+ case SS_DATATYPE_REAL:
+ printf("%lf", Ent->Real);
+ break;
case SS_DATATYPE_OBJECT:
+ printf("Obj %p", Ent->Object);
break;
default:
- SpiderScript_DereferenceValue(Ent->Reference);
+ if( Ent->Reference )
+ printf("*%p (%i refs)", Ent->Reference, Ent->Reference->ReferenceCount);
+ else
+ printf("NULL");
break;
}
}
+#if TRACE
+# define PRINT_STACKVAL(val) Bytecode_int_PrintStackValue(&val)
+#else
+# define PRINT_STACKVAL(val)
+#endif
+
#define GET_STACKVAL(dst) if((ret = Bytecode_int_StackPop(Stack, &dst))) { \
AST_RuntimeError(NULL, "Stack pop failed, empty stack");\
return ret; \
}
#define PUT_STACKVAL(src) if((ret = Bytecode_int_StackPush(Stack, &src))) { \
- AST_RuntimeError(NULL, "Stack pop failed, empty stack");\
+ AST_RuntimeError(NULL, "Stack push failed, full stack");\
return ret; \
}
#define OP_INDX(op_ptr) ((op_ptr)->Content.StringInt.Integer)
return NULL;
}
free(stack);
+
ret = Bytecode_int_GetSpiderValue(&val, &tmpsval);
// Ensure it's a heap value
if(ret == &tmpsval) {
ret = malloc(sizeof(tSpiderValue));
memcpy(ret, &tmpsval, sizeof(tSpiderValue));
+ // Set to 2 in _GetSpiderValue, so stack doesn't have free() called
+ ret->ReferenceCount = 1;
}
return ret;
return ns;
}
+/**
+ * \brief Call an external function (may recurse into Bytecode_ExecuteFunction, but may not)
+ */
+int Bytecode_int_CallExternFunction(tSpiderScript *Script, tBC_Stack *Stack, tSpiderNamespace *DefaultNS, tBC_Op *op )
+{
+ const char *name = OP_STRING(op);
+ int arg_count = OP_INDX(op);
+ int i, ret = 0;
+ tSpiderValue *args[arg_count];
+ tSpiderValue *rv;
+ tBC_StackEnt val1;
+ const char *namespaces[] = {NULL}; // TODO: Default/imported namespaces
+
+ DEBUG_F("CALL (general) %s %i args\n", name, arg_count);
+
+ // Read arguments
+ for( i = arg_count; i --; )
+ {
+ GET_STACKVAL(val1);
+ args[i] = Bytecode_int_GetSpiderValue(&val1, NULL);
+ Bytecode_int_DerefStackValue(&val1);
+ }
+
+ // Call the function etc.
+ if( op->Operation == BC_OP_CALLFUNCTION )
+ {
+ rv = SpiderScript_ExecuteFunction(Script, name, namespaces, arg_count, args, &op->CacheEnt);
+ }
+ else if( op->Operation == BC_OP_CREATEOBJ )
+ {
+ rv = SpiderScript_CreateObject(Script, name, namespaces, arg_count, args);
+ }
+ else if( op->Operation == BC_OP_CALLMETHOD )
+ {
+ tSpiderObject *obj;
+ GET_STACKVAL(val1);
+
+ if(val1.Type == SS_DATATYPE_OBJECT)
+ obj = val1.Object;
+ else if(val1.Type == ET_REFERENCE && val1.Reference && val1.Reference->Type == SS_DATATYPE_OBJECT)
+ obj = val1.Reference->Object;
+ else {
+ // Error
+ AST_RuntimeError(NULL, "OP_CALLMETHOD on non object");
+ return -1;
+ }
+ rv = SpiderScript_ExecuteMethod(Script, obj, name, arg_count, args);
+ Bytecode_int_DerefStackValue(&val1);
+ }
+ else
+ {
+ AST_RuntimeError(NULL, "BUG - Unknown operation for CALL/CREATEOBJ (%i)", op->Operation);
+ rv = ERRPTR;
+ }
+ if(rv == ERRPTR) {
+ AST_RuntimeError(NULL, "SpiderScript_ExecuteFunction returned ERRPTR");
+ return -1;
+ }
+ // Clean up args
+ for( i = arg_count; i --; )
+ SpiderScript_DereferenceValue(args[i]);
+ // Get and push return
+ Bytecode_int_SetSpiderValue(&val1, rv);
+ PUT_STACKVAL(val1);
+ // Deref return
+ SpiderScript_DereferenceValue(rv);
+
+ #if 0
+ if(!rv) {
+ printf("%s returned NULL\n", name);
+ }
+ if( rv && rv != ERRPTR && rv->ReferenceCount != 1 ) {
+ printf("Return value from %s reference count fail (%i)\n",
+ name, rv->ReferenceCount);
+ }
+ #endif
+
+ return 0;
+}
+
+int Bytecode_int_LocalBinOp_Integer(int Operation, tBC_StackEnt *Val1, tBC_StackEnt *Val2)
+{
+ switch(Operation)
+ {
+ case BC_OP_ADD: Val1->Integer = Val1->Integer + Val2->Integer; break;
+ case BC_OP_SUBTRACT: Val1->Integer = Val1->Integer - Val2->Integer; break;
+ case BC_OP_MULTIPLY: Val1->Integer = Val1->Integer * Val2->Integer; break;
+ case BC_OP_DIVIDE: Val1->Integer = Val1->Integer / Val2->Integer; break;
+
+ case BC_OP_EQUALS: Val1->Integer = (Val1->Integer == Val2->Integer); break;
+ case BC_OP_NOTEQUALS: Val1->Integer = (Val1->Integer != Val2->Integer); break;
+ case BC_OP_LESSTHAN: Val1->Integer = (Val1->Integer < Val2->Integer); break;
+ case BC_OP_LESSTHANOREQUAL: Val1->Integer = (Val1->Integer <= Val2->Integer); break;
+ case BC_OP_GREATERTHAN: Val1->Integer = (Val1->Integer > Val2->Integer); break;
+ case BC_OP_GREATERTHANOREQUAL: Val1->Integer = (Val1->Integer >= Val2->Integer); break;
+
+ case BC_OP_BITAND: Val1->Integer = Val1->Integer & Val2->Integer; break;
+ case BC_OP_BITOR: Val1->Integer = Val1->Integer | Val2->Integer; break;
+ case BC_OP_BITXOR: Val1->Integer = Val1->Integer ^ Val2->Integer; break;
+ case BC_OP_MODULO: Val1->Integer = Val1->Integer % Val2->Integer; break;
+ default: AST_RuntimeError(NULL, "Invalid operation on datatype Integer"); return -1;
+ }
+ return 0;
+}
+
+int Bytecode_int_LocalBinOp_Real(int Operation, tBC_StackEnt *Val1, tBC_StackEnt *Val2)
+{
+ switch(Operation)
+ {
+ // Real = Real OP Real
+ case BC_OP_ADD: Val1->Real = Val1->Real + Val2->Real; return 0;
+ case BC_OP_SUBTRACT: Val1->Real = Val1->Real - Val2->Real; return 0;
+ case BC_OP_MULTIPLY: Val1->Real = Val1->Real * Val2->Real; return 0;
+ case BC_OP_DIVIDE: Val1->Real = Val1->Real / Val2->Real; return 0;
+
+ // Bool/Integer = Real OP Real
+ case BC_OP_EQUALS: Val1->Integer = (Val1->Real == Val2->Real); break;
+ case BC_OP_NOTEQUALS: Val1->Integer = (Val1->Real != Val2->Real); break;
+ case BC_OP_LESSTHAN: Val1->Integer = (Val1->Real < Val2->Real); break;
+ case BC_OP_LESSTHANOREQUAL: Val1->Integer = (Val1->Real <= Val2->Real); break;
+ case BC_OP_GREATERTHAN: Val1->Integer = (Val1->Real > Val2->Real); break;
+ case BC_OP_GREATERTHANOREQUAL: Val1->Integer = (Val1->Real >= Val2->Real); break;
+
+ default: AST_RuntimeError(NULL, "Invalid operation on datatype Real"); return -1;
+ }
+ Val1->Type = SS_DATATYPE_INTEGER; // Becomes logical
+ return 0;
+}
+
#define STATE_HDR() DEBUG_F("%p %2i ", op, Stack->EntryCount)
/**
tSpiderValue tmpVal1, tmpVal2; // temp storage
tSpiderValue *pval1, *pval2, *ret_val;
tSpiderNamespace *default_namespace = &Script->Variant->RootNamespace;
+
+ // Initialise local vars
+ for( i = 0; i < local_var_count; i ++ )
+ local_vars[i].Type = ET_NULL;
// Pop off arguments
if( ArgCount > Fcn->ArgumentCount ) return -1;
DEBUG_F("Fcn->ArgumentCount = %i\n", Fcn->ArgumentCount);
+ // - Handle optional arguments
for( i = Fcn->ArgumentCount; i > ArgCount; )
{
i --;
switch(op->Operation)
{
case BC_OP_NOP:
+ STATE_HDR();
+ DEBUG_F("NOP\n");
break;
// Jumps
case BC_OP_JUMP:
STATE_HDR();
- // NOTE: Evil, all jumps are off by -1, so fix that
jmp_target = Fcn->BCFcn->Labels[ OP_INDX(op) ]->Next;
DEBUG_F("JUMP #%i %p\n", OP_INDX(op), jmp_target);
nextop = jmp_target;
}
STATE_HDR();
DEBUG_F("DEFVAR %i of type %i\n", slot, type);
+ if( local_vars[slot].Type != ET_NULL ) {
+ Bytecode_int_DerefStackValue( &local_vars[slot] );
+ local_vars[slot].Type = ET_NULL;
+ }
memset(&local_vars[slot], 0, sizeof(local_vars[0]));
local_vars[slot].Type = type;
} break;
break;
// Variables
- case BC_OP_LOADVAR:
+ case BC_OP_LOADVAR: {
+ int slot = OP_INDX(op);
STATE_HDR();
- DEBUG_F("LOADVAR %i\n", OP_INDX(op));
- if( OP_INDX(op) < 0 || OP_INDX(op) >= local_var_count ) {
- AST_RuntimeError(NULL, "Loading from invalid slot %i", OP_INDX(op));
+ DEBUG_F("LOADVAR %i ", slot);
+ if( slot < 0 || slot >= local_var_count ) {
+ AST_RuntimeError(NULL, "Loading from invalid slot %i", slot);
return -1;
}
- PUT_STACKVAL(local_vars[OP_INDX(op)]);
-// DUMP_STACKVAL(local_vars[OP_INDX(op)]);
- break;
- case BC_OP_SAVEVAR:
+ DEBUG_F("("); PRINT_STACKVAL(local_vars[slot]); DEBUG_F(")\n");
+ PUT_STACKVAL(local_vars[slot]);
+ Bytecode_int_RefStackValue( &local_vars[slot] );
+ } break;
+ case BC_OP_SAVEVAR: {
+ int slot = OP_INDX(op);
STATE_HDR();
- DEBUG_F("SAVEVAR %i\n", OP_INDX(op));
- if( OP_INDX(op) < 0 || OP_INDX(op) >= local_var_count ) {
- AST_RuntimeError(NULL, "Loading from invalid slot %i", OP_INDX(op));
+ DEBUG_F("SAVEVAR %i = ", slot);
+ if( slot < 0 || slot >= local_var_count ) {
+ AST_RuntimeError(NULL, "Loading from invalid slot %i", slot);
return -1;
}
- GET_STACKVAL(local_vars[OP_INDX(op)]);
+ // Remove whatever was in there before
+ DEBUG_F("[Deref "); PRINT_STACKVAL(local_vars[slot]); DEBUG_F("] ");
+ Bytecode_int_DerefStackValue( &local_vars[slot] );
+ // Place new in
+ GET_STACKVAL(local_vars[slot]);
+ PRINT_STACKVAL(local_vars[slot]);
+ DEBUG_F("\n");
+ } break;
+
+ // Array index (get or set)
+ case BC_OP_INDEX:
+ case BC_OP_SETINDEX:
+ STATE_HDR();
+ GET_STACKVAL(val1); // Index
+ // TODO: Check that index is an integer
+ if( val1.Type != SS_DATATYPE_INTEGER ) {
+ nextop = NULL;
+ break;
+ }
+
+ // Get array as raw spider value
+ GET_STACKVAL(val2); // Array
+ pval1 = Bytecode_int_GetSpiderValue(&val2, &tmpVal1);
+ Bytecode_int_DerefStackValue(&val2);
+
+ if( op->Operation == BC_OP_SETINDEX ) {
+ GET_STACKVAL(val2);
+ pval2 = Bytecode_int_GetSpiderValue(&val2, NULL);
+ Bytecode_int_DerefStackValue(&val2);
+
+ DEBUG_F("SETINDEX %i ", val1.Integer); PRINT_STACKVAL(val2); DEBUG_F("\n");
+
+ ret_val = AST_ExecuteNode_Index(Script, NULL, pval1, val1.Integer, pval2);
+ if(ret_val == ERRPTR) { nextop = NULL; break; }
+ SpiderScript_DereferenceValue(pval2);
+ }
+ else {
+ DEBUG_F("INDEX %i ", val1.Integer);
+ ret_val = AST_ExecuteNode_Index(Script, NULL, pval1, val1.Integer, ERRPTR);
+ if(ret_val == ERRPTR) { nextop = NULL; break; }
+
+ Bytecode_int_SetSpiderValue(&val1, ret_val);
+ SpiderScript_DereferenceValue(ret_val);
+ PUT_STACKVAL(val1);
+
+ DEBUG_F("[Got "); PRINT_STACKVAL(val1); DEBUG_F("]\n");
+
+ }
+ // Dereference the array (or object, ...)
+ if(pval1 != &tmpVal1) SpiderScript_DereferenceValue(pval1);
+ break;
+
+ // Object element (get or set)
+ case BC_OP_ELEMENT:
+ case BC_OP_SETELEMENT:
+ STATE_HDR();
+
+ GET_STACKVAL(val1);
+ // - Integers/Reals can't have elements :)
+ if( val1.Type != ET_REFERENCE ) {
+ nextop = NULL;
+ break;
+ }
+
+ pval1 = Bytecode_int_GetSpiderValue(&val1, NULL);
+ Bytecode_int_DerefStackValue(&val1);
+
+ if( op->Operation == BC_OP_SETELEMENT ) {
+ GET_STACKVAL(val2);
+ pval2 = Bytecode_int_GetSpiderValue(&val2, &tmpVal2);
+ Bytecode_int_DerefStackValue(&val2);
+
+ DEBUG_F("SETELEMENT %s ", OP_STRING(op)); PRINT_STACKVAL(val2); DEBUG_F("\n");
+
+ ret_val = AST_ExecuteNode_Element(Script, NULL, pval1, OP_STRING(op), pval2);
+ if(ret_val == ERRPTR) { nextop = NULL; break; }
+
+ if(pval2 != &tmpVal2) SpiderScript_DereferenceValue(pval2);
+ }
+ else {
+ DEBUG_F("ELEMENT %s ", OP_STRING(op));
+
+ ret_val = AST_ExecuteNode_Element(Script, NULL, pval1, OP_STRING(op), ERRPTR);
+ if(ret_val == ERRPTR) { nextop = NULL; break; }
+
+ Bytecode_int_SetSpiderValue(&val2, ret_val);
+ SpiderScript_DereferenceValue(ret_val);
+ PUT_STACKVAL(val2);
+
+ DEBUG_F("[Got "); PRINT_STACKVAL(val2); DEBUG_F("]\n");
+ }
+
+ SpiderScript_DereferenceValue(pval1);
break;
// Constants:
val1.Reference = SpiderScript_CreateString(OP_INDX(op), OP_STRING(op));
PUT_STACKVAL(val1);
break;
+ case BC_OP_LOADNULL:
+ STATE_HDR();
+ DEBUG_F("LOADNULL\n");
+ val1.Type = ET_REFERENCE;
+ val1.Reference = NULL;
+ PUT_STACKVAL(val1);
+ break;
case BC_OP_CAST:
STATE_HDR();
PUT_STACKVAL(val1);
break;
}
- switch(val2.Type * 100 + val1.Type )
- {
- case SS_DATATYPE_INTEGER*100 + SS_DATATYPE_REAL:
- val2.Integer = val1.Real;
- PUT_STACKVAL(val2);
- break;
- case SS_DATATYPE_REAL*100 + SS_DATATYPE_INTEGER:
+ if( val2.Type == SS_DATATYPE_INTEGER && val1.Type == SS_DATATYPE_REAL ) {
val2.Integer = val1.Real;
- PUT_STACKVAL(val2);
- break;
- default: {
+ }
+ else if( val2.Type == SS_DATATYPE_REAL && val2.Type == SS_DATATYPE_INTEGER ) {
+ val2.Real = val1.Integer;
+ }
+ else {
pval1 = Bytecode_int_GetSpiderValue(&val1, &tmpVal1);
pval2 = SpiderScript_CastValueTo(val2.Type, pval1);
- if(pval1 != &tmpVal1) SpiderScript_DereferenceValue(pval1);
+
Bytecode_int_SetSpiderValue(&val2, pval2);
SpiderScript_DereferenceValue(pval2);
- PUT_STACKVAL(val2);
- } break;
+
+ if(pval1 != &tmpVal1) SpiderScript_DereferenceValue(pval1);
+ Bytecode_int_DerefStackValue(&val1);
+// printf("CAST (%x->%x) - Original %i references remaining\n",
+// pval1->Type, OP_INDX(op),
+// pval1->ReferenceCount);
}
+ PUT_STACKVAL(val2);
break;
case BC_OP_DUPSTACK:
STATE_HDR();
- DEBUG_F("DUPSTACK\n");
+ DEBUG_F("DUPSTACK ");
GET_STACKVAL(val1);
+ PRINT_STACKVAL(val1);
+ DEBUG_F("\n");
PUT_STACKVAL(val1);
PUT_STACKVAL(val1);
+ Bytecode_int_RefStackValue(&val1);
+ break;
+
+ // Discard the top item from the stack
+ case BC_OP_DELSTACK:
+ STATE_HDR();
+ DEBUG_F("DELSTACK\n");
+ GET_STACKVAL(val1);
break;
// Unary Operations
Bytecode_int_StackPush(Stack, &val2);
Bytecode_int_DerefStackValue(&val1);
break;
+
case BC_OP_BITNOT:
- if(!ast_op) ast_op = NODETYPE_BWNOT;
+ if(!ast_op) ast_op = NODETYPE_BWNOT, opstr = "BITNOT";
+ case BC_OP_NEG:
+ if(!ast_op) ast_op = NODETYPE_NEGATE, opstr = "NEG";
STATE_HDR();
- DEBUG_F("UNIOP %i\n", ast_op);
+ DEBUG_F("%s\n", opstr);
GET_STACKVAL(val1);
pval1 = Bytecode_int_GetSpiderValue(&val1, &tmpVal1);
+ Bytecode_int_DerefStackValue(&val1);
+
ret_val = AST_ExecuteNode_UniOp(Script, NULL, ast_op, pval1);
if(pval1 != &tmpVal1) SpiderScript_DereferenceValue(pval1);
Bytecode_int_SetSpiderValue(&val1, ret_val);
if(!ast_op) ast_op = NODETYPE_LOGICALOR, opstr = "LOGICOR";
case BC_OP_LOGICXOR:
if(!ast_op) ast_op = NODETYPE_LOGICALXOR, opstr = "LOGICXOR";
+
+ STATE_HDR();
+ DEBUG_F("%s\n", opstr);
+
+ GET_STACKVAL(val1);
+ GET_STACKVAL(val2);
+
+ switch(op->Operation)
+ {
+ case BC_OP_LOGICAND:
+ i = Bytecode_int_IsStackEntTrue(&val1) && Bytecode_int_IsStackEntTrue(&val2);
+ break;
+ case BC_OP_LOGICOR:
+ i = Bytecode_int_IsStackEntTrue(&val1) || Bytecode_int_IsStackEntTrue(&val2);
+ break;
+ case BC_OP_LOGICXOR:
+ i = Bytecode_int_IsStackEntTrue(&val1) ^ Bytecode_int_IsStackEntTrue(&val2);
+ break;
+ }
+ Bytecode_int_DerefStackValue(&val1);
+ Bytecode_int_DerefStackValue(&val2);
+
+ val1.Type = SS_DATATYPE_INTEGER;
+ val1.Integer = i;
+ Bytecode_int_StackPush(Stack, &val1);
+ break;
case BC_OP_BITAND:
if(!ast_op) ast_op = NODETYPE_BWAND, opstr = "BITAND";
case BC_OP_EQUALS:
if(!ast_op) ast_op = NODETYPE_EQUALS, opstr = "EQUALS";
+ case BC_OP_NOTEQUALS:
+ if(!ast_op) ast_op = NODETYPE_NOTEQUALS, opstr = "NOTEQUALS";
case BC_OP_LESSTHAN:
if(!ast_op) ast_op = NODETYPE_LESSTHAN, opstr = "LESSTHAN";
case BC_OP_LESSTHANOREQUAL:
STATE_HDR();
DEBUG_F("BINOP %i %s (bc %i)\n", ast_op, opstr, op->Operation);
- GET_STACKVAL(val2);
- GET_STACKVAL(val1);
+ GET_STACKVAL(val2); // Right
+ GET_STACKVAL(val1); // Left
+
+ DEBUG_F(" ("); PRINT_STACKVAL(val1); DEBUG_F(")");
+ DEBUG_F(" ("); PRINT_STACKVAL(val2); DEBUG_F(")\n");
+
+ // Perform integer operations locally
+ if( val1.Type == SS_DATATYPE_INTEGER && val2.Type == SS_DATATYPE_INTEGER )
+ {
+ if( Bytecode_int_LocalBinOp_Integer(op->Operation, &val1, &val2) ) {
+ nextop = NULL;
+ break;
+ }
+ PUT_STACKVAL(val1);
+ break;
+ }
+
+ if(val1. Type == SS_DATATYPE_REAL && val2.Type == SS_DATATYPE_REAL )
+ {
+ if( Bytecode_int_LocalBinOp_Real(op->Operation, &val1, &val2) ) {
+ nextop = NULL;
+ break;
+ }
+ PUT_STACKVAL(val1);
+ break;
+ }
+
pval1 = Bytecode_int_GetSpiderValue(&val1, &tmpVal1);
pval2 = Bytecode_int_GetSpiderValue(&val2, &tmpVal2);
+ Bytecode_int_DerefStackValue(&val1);
+ Bytecode_int_DerefStackValue(&val2);
+
+ // Hand to AST execution code
ret_val = AST_ExecuteNode_BinOp(Script, NULL, ast_op, pval1, pval2);
if(pval1 != &tmpVal1) SpiderScript_DereferenceValue(pval1);
if(pval2 != &tmpVal2) SpiderScript_DereferenceValue(pval2);
+
+ if(ret_val == ERRPTR) {
+ AST_RuntimeError(NULL, "_BinOp returned ERRPTR");
+ nextop = NULL;
+ break;
+ }
Bytecode_int_SetSpiderValue(&val1, ret_val);
if(ret_val != &tmpVal1) SpiderScript_DereferenceValue(ret_val);
- Bytecode_int_StackPush(Stack, &val1);
+ PUT_STACKVAL(val1);
break;
// Functions etc
- case BC_OP_CALLFUNCTION: {
- tScript_Function *fcn;
- const char *name = OP_STRING(op);
- int arg_count = OP_INDX(op);
-
+ case BC_OP_CREATEOBJ:
+ case BC_OP_CALLFUNCTION:
+ case BC_OP_CALLMETHOD:
STATE_HDR();
- DEBUG_F("CALL FUNCTION %s %i args\n", name, arg_count);
- // Check current script functions (for fast call)
- for(fcn = Script->Functions; fcn; fcn = fcn->Next)
- {
- if(strcmp(name, fcn->Name) == 0) {
- break;
- }
- }
- if(fcn && fcn->BCFcn)
+ if( op->Operation == BC_OP_CALLFUNCTION )
{
- DEBUG_F(" - Fast call\n");
- Bytecode_int_ExecuteFunction(Script, fcn, Stack, arg_count);
- break;
- }
-
- // Slower call
- {
- tSpiderNamespace *ns = NULL;
- tSpiderValue *args[arg_count];
- tSpiderValue *rv;
-// for( i = 0; i < arg_count; i ++ )
- for( i = arg_count; i --; )
+ tScript_Function *fcn = NULL;
+ const char *name = OP_STRING(op);
+ int arg_count = OP_INDX(op);
+ DEBUG_F("CALL (local) %s %i args\n", name, arg_count);
+ // Check current script functions (for fast call)
+ for(fcn = Script->Functions; fcn; fcn = fcn->Next)
{
- GET_STACKVAL(val1);
- args[i] = Bytecode_int_GetSpiderValue(&val1, NULL);
- }
-
- if( name[0] == BC_NS_SEPARATOR ) {
- name ++;
- ns = Bytecode_int_ResolveNamespace(&Script->Variant->RootNamespace, name, &name);
+ if(strcmp(name, fcn->Name) == 0) {
+ break;
+ }
}
- else {
- // TODO: Support multiple default namespaces
- ns = Bytecode_int_ResolveNamespace(default_namespace, name, &name);
- }
-
- rv = SpiderScript_ExecuteFunction(Script, ns, name, arg_count, args);
- if(rv == ERRPTR) {
- AST_RuntimeError(NULL, "SpiderScript_ExecuteFunction returned ERRPTR");
- nextop = NULL;
+ if(fcn && fcn->BCFcn)
+ {
+ DEBUG_F(" - Fast call\n");
+ Bytecode_int_ExecuteFunction(Script, fcn, Stack, arg_count);
break;
}
- // Clean up args
- for( i = arg_count; i --; )
- SpiderScript_DereferenceValue(args[i]);
- // Get and push return
- Bytecode_int_SetSpiderValue(&val1, rv);
- PUT_STACKVAL(val1);
- // Deref return
- SpiderScript_DereferenceValue(rv);
}
- } break;
+
+ // Slower call
+ if( Bytecode_int_CallExternFunction( Script, Stack, default_namespace, op ) ) {
+ nextop = NULL;
+ break;
+ }
+ break;
case BC_OP_RETURN:
STATE_HDR();
+
DEBUG_F("RETURN\n");
nextop = NULL;
break;
default:
// TODO:
STATE_HDR();
- printf("Unknown operation %i\n", op->Operation);
+ AST_RuntimeError(NULL, "Unknown operation %i\n", op->Operation);
nextop = NULL;
break;
}
// Clean up
// - Delete local vars
- printf("TODO: Clean up local vars\n");
+ for( i = 0; i < local_var_count; i ++ )
+ {
+ if( local_vars[i].Type != ET_NULL )
+ {
+ DEBUG_F("Var %i - ", i);
+ PRINT_STACKVAL(local_vars[i]);
+ Bytecode_int_DerefStackValue(&local_vars[i]);
+ DEBUG_F("\n");
+ }
+ else
+ DEBUG_F("Var %i - empty\n", i);
+ }
// - Restore stack
-// printf("TODO: Roll back stack\n");
-// while( Stack->EntryCount && Stack->Entries[ --Stack->EntryCount ].Type != ET_FUNCTION_START )
-// {
-// Bytecode_int_DerefStackValue( &Stack->Entries[Stack->EntryCount] );
-// }
+ if( Stack->Entries[Stack->EntryCount - 1].Type == ET_FUNCTION_START )
+ Stack->EntryCount --;
+ else
+ {
+ int n_rolled = 1;
+ GET_STACKVAL(val1);
+ while( Stack->EntryCount && Stack->Entries[ --Stack->EntryCount ].Type != ET_FUNCTION_START )
+ {
+ Bytecode_int_DerefStackValue( &Stack->Entries[Stack->EntryCount] );
+ n_rolled ++;
+ }
+ PUT_STACKVAL(val1);
+ DEBUG_F("Rolled back %i entries\n", n_rolled);
+ }
return 0;
git.ucc.asn.au / tpg / acess2.git / blobdiff
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