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* VMIntResultFunction::errorResult(int i) {
    result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED);
    result.value = i;
    return &result;
}

VMFnResult* VMIntResultFunction::successResult(int i) {
    result.flags = STMT_SUCCESS;
    result.value = i;
    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	/*
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* VMIntResultFunction::errorResult(int i) {
29	result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED \| STMT_ERROR_OCCURRED);
30	result.value = i;
31	return &result;
32	}
33
34	VMFnResult* VMIntResultFunction::successResult(int i) {
35	result.flags = STMT_SUCCESS;
36	result.value = i;
37	return &result;
38	}
39
40	VMFnResult* VMStringResultFunction::errorResult(const String& s) {
41	result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED \| STMT_ERROR_OCCURRED);
42	result.value = s;
43	return &result;
44	}
45
46	VMFnResult* VMStringResultFunction::successResult(const String& s) {
47	result.flags = STMT_SUCCESS;
48	result.value = s;
49	return &result;
50	}
51
52	bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const {
53	return type == INT_EXPR \|\| type == STRING_EXPR;
54	}
55
56	VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) {
57	if (!args->argsCount()) return errorResult();
58
59	VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0));
60	if (strExpr) {
61	std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n";
62	return successResult();
63	}
64
65	VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0));
66	if (intExpr) {
67	std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n";
68	return successResult();
69	}
70
71	return errorResult();
72	}
73
74	VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) {
75	this->result.flags = STMT_ABORT_SIGNALLED;
76	return &result;
77	}
78
79	VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) {
80	ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext());
81	VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0));
82	ctx->suspendMicroseconds = expr->evalInt();
83	this->result.flags = STMT_SUSPEND_SIGNALLED;
84	return &result;
85	}
86
87	} // namespace LinuxSampler