src/scriptvm/CoreVMFunctions.cpp

/*
 * Copyright (c) 2014 Christian Schoenebeck
 *
 * http://www.linuxsampler.org
 *
 * This file is part of LinuxSampler and released under the same terms.
 * See README file for details.
 */

#include "CoreVMFunctions.h"

#include <iostream>
#include "tree.h"
#include "ScriptVM.h"

namespace LinuxSampler {

VMFnResult* VMEmptyResultFunction::errorResult() {
    result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED);
    return &result;
}

VMFnResult* VMEmptyResultFunction::successResult() {
    result.flags = STMT_SUCCESS;
    return &result;
}

VMFnResult* VMStringResultFunction::errorResult(const String& s) {
    result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED);
    result.value = s;
    return &result;
}

VMFnResult* VMStringResultFunction::successResult(const String& s) {
    result.flags = STMT_SUCCESS;
    result.value = s;
    return &result;
}

bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const {
    return type == INT_EXPR || type == STRING_EXPR;
}

VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) {
    if (!args->argsCount()) return errorResult();

    VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0));
    if (strExpr) {
        std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n";
        return successResult();
    }

    VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0));
    if (intExpr) {
        std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n";
        return successResult();
    }

    return errorResult();
}

VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) {
    this->result.flags = STMT_ABORT_SIGNALLED;
    return &result;
}

VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) {
    ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext());
    VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0));
    ctx->suspendMicroseconds = expr->evalInt();
    this->result.flags = STMT_SUSPEND_SIGNALLED;
    return &result;
}

} // namespace LinuxSampler
1	schoenebeck	2581	/*
2			* Copyright (c) 2014 Christian Schoenebeck
3			*
4			* http://www.linuxsampler.org
5			*
6			* This file is part of LinuxSampler and released under the same terms.
7			* See README file for details.
8			*/
9
10			#include "CoreVMFunctions.h"
11
12			#include <iostream>
13			#include "tree.h"
14			#include "ScriptVM.h"
15
16			namespace LinuxSampler {
17
18			VMFnResult* VMEmptyResultFunction::errorResult() {
19			result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED \| STMT_ERROR_OCCURRED);
20			return &result;
21			}
22
23			VMFnResult* VMEmptyResultFunction::successResult() {
24			result.flags = STMT_SUCCESS;
25			return &result;
26			}
27
28			VMFnResult* VMStringResultFunction::errorResult(const String& s) {
29			result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED \| STMT_ERROR_OCCURRED);
30			result.value = s;
31			return &result;
32			}
33
34			VMFnResult* VMStringResultFunction::successResult(const String& s) {
35			result.flags = STMT_SUCCESS;
36			result.value = s;
37			return &result;
38			}
39
40			bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const {
41			return type == INT_EXPR \|\| type == STRING_EXPR;
42			}
43
44			VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) {
45			if (!args->argsCount()) return errorResult();
46
47			VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0));
48			if (strExpr) {
49			std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n";
50			return successResult();
51			}
52
53			VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0));
54			if (intExpr) {
55			std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n";
56			return successResult();
57			}
58
59			return errorResult();
60			}
61
62			VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) {
63			this->result.flags = STMT_ABORT_SIGNALLED;
64			return &result;
65			}
66
67			VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) {
68			ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext());
69			VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0));
70			ctx->suspendMicroseconds = expr->evalInt();
71			this->result.flags = STMT_SUSPEND_SIGNALLED;
72			return &result;
73			}
74
75			} // namespace LinuxSampler