int Mission::doIMath(missionNode *node,int mode){
// debug(0,node,mode,"deprecated Imath");
varInst *math_vi=doMath(node,mode);
if(math_vi->type!=VAR_INT){
fatalError(node,mode,"fmath expected int");
assert(0);
}
int res=math_vi->int_val;
deleteVarInst(math_vi);
return res;
#if 0
// if(mode==SCRIPT_PARSE){
string mathname=node->attr_value("math");
int len=node->subnodes.size();
if(len<2){
fatalError(node,mode,"imath needs at least 2 arguments");
assert(0);
}
int res=checkIntExpr((missionNode *)node->subnodes[0],mode);
char buffer[200];
sprintf(buffer,"imath: 1st expr returns %d",res);
debug(4,node,mode,buffer);
for(int i=1;i<len;i++){
int res2=checkIntExpr((missionNode *)node->subnodes[i],mode);
if(mode==SCRIPT_RUN){
if(mathname=="+"){
res=res+res2;
}
else if(mathname=="-"){
res=res-res2;
}
else if(mathname=="*"){
res=res*res2;
}
else if(mathname=="/"){
res=res/res2;
}
else{
fatalError(node,mode,"no such imath expression");
assert(0);
}
}
}
if(mode==SCRIPT_RUN){
return res;
}
return 0;
#endif
}
void Mission::doReturn( missionNode *node, int mode )
{
trace( node, mode );
if (mode == SCRIPT_PARSE) {
missionNode *script = current_script;
node->script.exec_node = script;
}
int len = node->subnodes.size();
varInst *vi = newVarInst( VI_LOCAL );
missionNode *script = node->script.exec_node;
if (script->script.vartype == VAR_VOID) {
if (len != 0) {
fatalError( node, mode, "script returning void, but return statement with node" );
assert( 0 );
}
} else {
//return something non-void
if (len != 1) {
fatalError( node, mode, "return statement needs only one subnode" );
assert( 0 );
}
missionNode *expr = (missionNode*) node->subnodes[0];
if (script->script.vartype == VAR_BOOL) {
bool res = checkBoolExpr( expr, mode );
vi->bool_val = res;
} else if (script->script.vartype == VAR_FLOAT) {
double res = checkFloatExpr( expr, mode );
vi->float_val = res;
} else if (script->script.vartype == VAR_INT) {
int res = checkIntExpr( expr, mode );
vi->int_val = res;
} else if (script->script.vartype == VAR_OBJECT) {
varInst *vi2 = checkObjectExpr( expr, mode );
vi->type = VAR_OBJECT;
assignVariable( vi, vi2 );
} else {
fatalError( node, mode, "unkown variable type" );
assert( 0 );
}
}
if (mode == SCRIPT_RUN) {
contextStack *cstack = runtime.cur_thread->exec_stack.back();
vi->type = script->script.vartype;
cstack->return_value = vi;
}
}
varInst* Mission::doExec( missionNode *node, int mode )
{
trace( node, mode );
if (mode == SCRIPT_PARSE) {
string name = node->attr_value( "name" );
if ( name.empty() ) {
fatalError( node, mode, "you have to give name to exec" );
assert( 0 );
}
node->script.name = name;
string use_modstr = node->attr_value( "module" );
missionNode *module = NULL;
missionNode *script = NULL;
if ( !use_modstr.empty() ) {
module = runtime.modules[use_modstr];
} else {
module = current_module;
}
if (module == NULL) {
fatalError( node, mode, "module "+use_modstr+" not found" );
assert( 0 );
}
script = module->script.scripts[name];
if (script == NULL) {
fatalError( node, mode, "script "+name+" not found in module "+use_modstr );
assert( 0 );
}
node->script.exec_node = script;
node->script.vartype = script->script.vartype;
node->script.module_node = module;
}
missionNode *arg_node = node->script.exec_node->script.argument_node;
int nr_arguments;
if (arg_node == NULL)
nr_arguments = 0;
else
nr_arguments = arg_node->script.nr_arguments;
int nr_exec_args = node->subnodes.size();
if (nr_arguments != nr_exec_args) {
char buffer[200];
sprintf( buffer, "wrong nr of arguments in doExec=%d doScript=%d", nr_exec_args, nr_arguments );
fatalError( node, mode, buffer );
assert( 0 );
}
varInstMap *varmap = NULL;
if (nr_arguments > 0) {
varmap = new varInstMap;
for (int i = 0; i < nr_arguments; i++) {
missionNode *defnode = (missionNode*) arg_node->subnodes[i];
missionNode *callnode = (missionNode*) node->subnodes[i];
varInst *vi = newVarInst( VI_LOCAL );
vi->type = defnode->script.vartype;
if (defnode->script.vartype == VAR_FLOAT) {
debug( 4, node, mode, "doExec checking floatExpr" );
double res = checkFloatExpr( callnode, mode );
vi->float_val = res;
} else if (defnode->script.vartype == VAR_INT) {
debug( 4, node, mode, "doExec checking intExpr" );
int res = checkIntExpr( callnode, mode );
vi->int_val = res;
} else if (defnode->script.vartype == VAR_BOOL) {
debug( 4, node, mode, "doExec checking boolExpr" );
bool ok = checkBoolExpr( callnode, mode );
vi->bool_val = ok;
} else if (defnode->script.vartype == VAR_OBJECT) {
debug( 3, node, mode, "doExec checking objectExpr" );
varInst *ovi = checkObjectExpr( callnode, mode );
vi->type = VAR_OBJECT;
if (mode == SCRIPT_RUN)
assignVariable( vi, ovi );
deleteVarInst( ovi );
} else {
fatalError( node, mode, "unsupported vartype in doExec" );
assert( 0 );
}
(*varmap)[defnode->script.name] = vi;
}
}
if (mode == SCRIPT_RUN) {
//SCRIPT_RUN
debug( 4, node, mode, "executing "+node->script.name );
missionNode *module = node->script.module_node;
missionNode *old_module = runtime.cur_thread->module_stack.back();
unsigned int classid = 0;
if (old_module == module)
classid = runtime.cur_thread->classid_stack.back();
runtime.cur_thread->module_stack.push_back( module );
runtime.cur_thread->classid_stack.push_back( classid );
varInst *vi = doScript( node->script.exec_node, mode, varmap );
runtime.cur_thread->module_stack.pop_back();
runtime.cur_thread->classid_stack.pop_back();
if (varmap) {
deleteVarMap( varmap );
delete varmap;
}
return vi;
}
//SCRIPT_PARSE
varInst *vi = newVarInst( VI_TEMP );
vi->type = node->script.exec_node->script.vartype;
return vi;
}
