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/* |
/* |
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* Copyright (c) 2014 Christian Schoenebeck |
* Copyright (c) 2014 - 2016 Christian Schoenebeck |
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* |
* |
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* http://www.linuxsampler.org |
* http://www.linuxsampler.org |
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* |
* |
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#include "ScriptVM.h" |
#include "ScriptVM.h" |
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#include <string.h> |
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#include <assert.h> |
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#include "../common/global_private.h" |
#include "../common/global_private.h" |
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#include "tree.h" |
#include "tree.h" |
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#include "CoreVMFunctions.h" |
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#include "editor/NkspScanner.h" |
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#define DEBUG_SCRIPTVM_CORE 0 |
#define DEBUG_SCRIPTVM_CORE 0 |
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return max; |
return max; |
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} |
} |
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ScriptVM::ScriptVM() : fnWait(this) { |
ScriptVM::ScriptVM() : m_eventHandler(NULL), m_parserContext(NULL) { |
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m_context = new ParserContext(this); |
m_fnMessage = new CoreVMFunction_message; |
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m_fnExit = new CoreVMFunction_exit; |
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m_fnWait = new CoreVMFunction_wait(this); |
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m_fnAbs = new CoreVMFunction_abs; |
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m_fnRandom = new CoreVMFunction_random; |
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m_fnNumElements = new CoreVMFunction_num_elements; |
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} |
} |
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ScriptVM::~ScriptVM() { |
ScriptVM::~ScriptVM() { |
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if (m_context) { |
delete m_fnMessage; |
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if (m_context->globalIntMemory) { |
delete m_fnExit; |
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delete m_context->globalIntMemory; |
delete m_fnWait; |
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m_context->globalIntMemory = NULL; |
delete m_fnAbs; |
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} |
delete m_fnRandom; |
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delete m_context; |
delete m_fnNumElements; |
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} |
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} |
} |
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void ScriptVM::loadScript(const String& s) { |
VMParserContext* ScriptVM::loadScript(const String& s) { |
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std::istringstream iss(s); |
std::istringstream iss(s); |
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loadScript(&iss); |
return loadScript(&iss); |
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} |
} |
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void ScriptVM::loadScript(std::istream* is) { |
VMParserContext* ScriptVM::loadScript(std::istream* is) { |
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m_context->createScanner(is); |
ParserContext* context = new ParserContext(this); |
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InstrScript_parse(m_context); |
//printf("parserCtx=0x%lx\n", (uint64_t)context); |
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std::cout << "Allocating " << m_context->globalIntVarCount * sizeof(int) << " bytes of global int VM memory.\n"; |
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std::cout << "Allocating " << m_context->globalStrVarCount << " of global VM string variables.\n"; |
context->registerBuiltInConstIntVariables( builtInConstIntVariables() ); |
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if (!m_context->globalIntMemory) |
context->registerBuiltInIntVariables( builtInIntVariables() ); |
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m_context->globalIntMemory = new ArrayList<int>(); |
context->registerBuiltInIntArrayVariables( builtInIntArrayVariables() ); |
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if (!m_context->globalStrMemory) |
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m_context->globalStrMemory = new ArrayList<String>(); |
context->createScanner(is); |
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m_context->globalIntMemory->resize(m_context->globalIntVarCount); |
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m_context->globalStrMemory->resize(m_context->globalStrVarCount); |
InstrScript_parse(context); |
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} |
dmsg(2,("Allocating %ld bytes of global int VM memory.\n", long(context->globalIntVarCount * sizeof(int)))); |
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dmsg(2,("Allocating %d of global VM string variables.\n", context->globalStrVarCount)); |
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if (!context->globalIntMemory) |
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context->globalIntMemory = new ArrayList<int>(); |
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if (!context->globalStrMemory) |
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context->globalStrMemory = new ArrayList<String>(); |
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context->globalIntMemory->resize(context->globalIntVarCount); |
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memset(&((*context->globalIntMemory)[0]), 0, context->globalIntVarCount * sizeof(int)); |
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context->globalStrMemory->resize(context->globalStrVarCount); |
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std::vector<ParserIssue> ScriptVM::issues() const { |
context->destroyScanner(); |
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return m_context->issues; |
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} |
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std::vector<ParserIssue> ScriptVM::errors() const { |
return context; |
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return m_context->errors; |
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} |
} |
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std::vector<ParserIssue> ScriptVM::warnings() const { |
void ScriptVM::dumpParsedScript(VMParserContext* context) { |
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return m_context->warnings; |
ParserContext* ctx = dynamic_cast<ParserContext*>(context); |
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} |
if (!ctx) { |
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void ScriptVM::dumpParsedScript() { |
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if (!m_context) { |
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std::cerr << "No VM context. So nothing to dump.\n"; |
std::cerr << "No VM context. So nothing to dump.\n"; |
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return; |
return; |
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} |
} |
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if (!m_context->handlers) { |
if (!ctx->handlers) { |
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std::cerr << "No event handlers defined in script. So nothing to dump.\n"; |
std::cerr << "No event handlers defined in script. So nothing to dump.\n"; |
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return; |
return; |
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} |
} |
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if (!m_context->globalIntMemory) { |
if (!ctx->globalIntMemory) { |
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std::cerr << "Internal error: no global memory assigend to script VM.\n"; |
std::cerr << "Internal error: no global memory assigend to script VM.\n"; |
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return; |
return; |
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} |
} |
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m_context->handlers->dump(); |
ctx->handlers->dump(); |
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} |
} |
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VMExecContext* ScriptVM::createExecContext() { |
VMExecContext* ScriptVM::createExecContext(VMParserContext* parserContext) { |
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ExecContext* ctx = new ExecContext(); |
ParserContext* parserCtx = dynamic_cast<ParserContext*>(parserContext); |
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const int stackSize = _requiredMaxStackSizeFor(&*m_context->handlers); |
ExecContext* execCtx = new ExecContext(); |
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ctx->stack.resize(stackSize); |
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std::cout << "Created VM exec context with " |
if (parserCtx->requiredMaxStackSize < 0) { |
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<< stackSize * sizeof(ExecContext::StackFrame) |
parserCtx->requiredMaxStackSize = |
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<< " bytes VM stack size.\n"; |
_requiredMaxStackSizeFor(&*parserCtx->handlers); |
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const int polySize = m_context->polyphonicIntVarCount; |
} |
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ctx->polyphonicIntMemory.resize(polySize); |
execCtx->stack.resize(parserCtx->requiredMaxStackSize); |
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std::cout << "Allocated " << polySize * sizeof(int) |
dmsg(2,("Created VM exec context with %ld bytes VM stack size.\n", |
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<< " bytes polyphonic memory.\n"; |
long(parserCtx->requiredMaxStackSize * sizeof(ExecContext::StackFrame)))); |
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return ctx; |
//printf("execCtx=0x%lx\n", (uint64_t)execCtx); |
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} |
const int polySize = parserCtx->polyphonicIntVarCount; |
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execCtx->polyphonicIntMemory.resize(polySize); |
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VMEventHandler* ScriptVM::eventHandler(uint index) { |
memset(&execCtx->polyphonicIntMemory[0], 0, polySize * sizeof(int)); |
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if (!m_context) return NULL; |
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if (!m_context->handlers) return NULL; |
dmsg(2,("Allocated %ld bytes polyphonic memory.\n", long(polySize * sizeof(int)))); |
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return m_context->handlers->eventHandler(index); |
return execCtx; |
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} |
} |
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VMEventHandler* ScriptVM::eventHandlerByName(const String& name) { |
std::vector<VMSourceToken> ScriptVM::syntaxHighlighting(const String& s) { |
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if (!m_context) return NULL; |
std::istringstream iss(s); |
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if (!m_context->handlers) return NULL; |
return syntaxHighlighting(&iss); |
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return m_context->handlers->eventHandlerByName(name); |
} |
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std::vector<VMSourceToken> ScriptVM::syntaxHighlighting(std::istream* is) { |
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NkspScanner scanner(is); |
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std::vector<SourceToken> tokens = scanner.tokens(); |
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std::vector<VMSourceToken> result; |
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result.resize(tokens.size()); |
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for (int i = 0; i < tokens.size(); ++i) { |
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SourceToken* st = new SourceToken; |
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*st = tokens[i]; |
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result[i] = VMSourceToken(st); |
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} |
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return result; |
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} |
} |
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VMFunction* ScriptVM::functionByName(const String& name) { |
VMFunction* ScriptVM::functionByName(const String& name) { |
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if (name == "message") return &fnMessage; |
if (name == "message") return m_fnMessage; |
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else if (name == "exit") return &fnExit; |
else if (name == "exit") return m_fnExit; |
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else if (name == "wait") return &fnWait; |
else if (name == "wait") return m_fnWait; |
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else if (name == "abs") return m_fnAbs; |
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else if (name == "random") return m_fnRandom; |
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else if (name == "num_elements") return m_fnNumElements; |
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return NULL; |
return NULL; |
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} |
} |
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std::map<String,VMIntRelPtr*> ScriptVM::builtInIntVariables() { |
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return std::map<String,VMIntRelPtr*>(); |
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} |
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std::map<String,VMInt8Array*> ScriptVM::builtInIntArrayVariables() { |
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return std::map<String,VMInt8Array*>(); |
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} |
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std::map<String,int> ScriptVM::builtInConstIntVariables() { |
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return std::map<String,int>(); |
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} |
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VMEventHandler* ScriptVM::currentVMEventHandler() { |
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return m_eventHandler; |
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} |
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VMParserContext* ScriptVM::currentVMParserContext() { |
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return m_parserContext; |
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} |
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VMExecContext* ScriptVM::currentVMExecContext() { |
VMExecContext* ScriptVM::currentVMExecContext() { |
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if (!m_context) return NULL; |
if (!m_parserContext) return NULL; |
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return m_context->execContext; |
return m_parserContext->execContext; |
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} |
} |
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VMExecStatus_t ScriptVM::exec(VMEventHandler* handler, VMExecContext* execContex) { |
VMExecStatus_t ScriptVM::exec(VMParserContext* parserContext, VMExecContext* execContex, VMEventHandler* handler) { |
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if (!m_context) { |
m_parserContext = dynamic_cast<ParserContext*>(parserContext); |
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std::cerr << "No VM parser context. Did you load a script?.\n"; |
if (!m_parserContext) { |
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std::cerr << "No VM parser context provided. Did you load a script?.\n"; |
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return VMExecStatus_t(VM_EXEC_NOT_RUNNING | VM_EXEC_ERROR); |
return VMExecStatus_t(VM_EXEC_NOT_RUNNING | VM_EXEC_ERROR); |
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} |
} |
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// a ParserContext object is always tied to exactly one ScriptVM object |
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assert(m_parserContext->functionProvider == this); |
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ExecContext* ctx = dynamic_cast<ExecContext*>(execContex); |
ExecContext* ctx = dynamic_cast<ExecContext*>(execContex); |
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if (!ctx) { |
if (!ctx) { |
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std::cerr << "Invalid VM exec context.\n"; |
std::cerr << "Invalid VM exec context.\n"; |
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} |
} |
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EventHandler* h = dynamic_cast<EventHandler*>(handler); |
EventHandler* h = dynamic_cast<EventHandler*>(handler); |
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if (!h) return VM_EXEC_NOT_RUNNING; |
if (!h) return VM_EXEC_NOT_RUNNING; |
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m_eventHandler = handler; |
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m_context->execContext = ctx; |
m_parserContext->execContext = ctx; |
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ctx->status = VM_EXEC_RUNNING; |
ctx->status = VM_EXEC_RUNNING; |
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StmtFlags_t flags = STMT_SUCCESS; |
StmtFlags_t flags = STMT_SUCCESS; |
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ctx->reset(); |
ctx->reset(); |
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} |
} |
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m_context->execContext = NULL; |
m_eventHandler = NULL; |
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m_parserContext->execContext = NULL; |
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m_parserContext = NULL; |
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return ctx->status; |
return ctx->status; |
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} |
} |
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