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;
}

void VMEmptyResultFunction::wrnMsg(const String& txt) {
    std::cout << "[ScriptVM] " << txt << std::endl;
}

void VMEmptyResultFunction::errMsg(const String& txt) {
    std::cerr << "[ScriptVM] " << txt << std::endl;
}

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	schoenebeck	2596	void VMEmptyResultFunction::wrnMsg(const String& txt) {
24			std::cout << "[ScriptVM] " << txt << std::endl;
25			}
26
27			void VMEmptyResultFunction::errMsg(const String& txt) {
28			std::cerr << "[ScriptVM] " << txt << std::endl;
29			}
30
31	schoenebeck	2581	VMFnResult* VMEmptyResultFunction::successResult() {
32			result.flags = STMT_SUCCESS;
33			return &result;
34			}
35
36			VMFnResult* VMStringResultFunction::errorResult(const String& s) {
37			result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED \| STMT_ERROR_OCCURRED);
38			result.value = s;
39			return &result;
40			}
41
42			VMFnResult* VMStringResultFunction::successResult(const String& s) {
43			result.flags = STMT_SUCCESS;
44			result.value = s;
45			return &result;
46			}
47
48			bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const {
49			return type == INT_EXPR \|\| type == STRING_EXPR;
50			}
51
52			VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) {
53			if (!args->argsCount()) return errorResult();
54
55			VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0));
56			if (strExpr) {
57			std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n";
58			return successResult();
59			}
60
61			VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0));
62			if (intExpr) {
63			std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n";
64			return successResult();
65			}
66
67			return errorResult();
68			}
69
70			VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) {
71			this->result.flags = STMT_ABORT_SIGNALLED;
72			return &result;
73			}
74
75			VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) {
76			ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext());
77			VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0));
78			ctx->suspendMicroseconds = expr->evalInt();
79			this->result.flags = STMT_SUSPEND_SIGNALLED;
80			return &result;
81			}
82
83			} // namespace LinuxSampler