mirror of
https://gitea.wildfiregames.com/0ad/0ad.git
synced 2026-06-24 18:45:18 +00:00
ran everything though mark's newline stomper.
This was SVN commit r322.
This commit is contained in:
janwas
+319
-319
@@ -1,319 +1,319 @@
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#include "ScriptingHost.h"
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#include "ScriptGlue.h"
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#include <sstream>
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#include <fstream>
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#include <iostream>
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#pragma comment (lib, "js32.lib")
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namespace
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{
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const int RUNTIME_MEMORY_ALLOWANCE = 16 * 1024 * 1024;
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const int STACK_CHUNK_SIZE = 16 * 1024;
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JSClass GlobalClass =
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{
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"global", 0,
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JS_PropertyStub, JS_PropertyStub,
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JS_PropertyStub, JS_PropertyStub,
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JS_EnumerateStub, JS_ResolveStub,
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JS_ConvertStub, JS_FinalizeStub
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};
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}
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ScriptingHost::ScriptingHost() : m_RunTime(NULL), m_Context(NULL), m_GlobalObject(NULL)
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{
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m_RunTime = JS_NewRuntime(RUNTIME_MEMORY_ALLOWANCE);
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if (m_RunTime == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create JavaScript runtime"));
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}
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m_Context = JS_NewContext(m_RunTime, STACK_CHUNK_SIZE);
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if (m_Context == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create JavaScript context"));
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}
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JS_SetErrorReporter(m_Context, ScriptingHost::ErrorReporter);
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m_GlobalObject = JS_NewObject(m_Context, &GlobalClass, NULL, NULL);
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if (m_GlobalObject == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create global object"));
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}
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if (JS_InitStandardClasses(m_Context, m_GlobalObject) == JSVAL_FALSE)
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{
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throw (std::string("ScriptingHost: Failed to init standard classes"));
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}
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if (JS_DefineFunctions(m_Context, m_GlobalObject, ScriptFunctionTable) == JS_FALSE)
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{
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throw (std::string("ScriptingHost: Failed to setup native functions"));
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}
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std::cout << "Scripting environment initialized" << std::endl;
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}
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ScriptingHost::~ScriptingHost()
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{
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if (m_Context != NULL)
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{
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JS_DestroyContext(m_Context);
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m_Context = NULL;
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}
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if (m_RunTime != NULL)
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{
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JS_DestroyRuntime(m_RunTime);
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m_RunTime = NULL;
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}
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}
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void ScriptingHost::LoadScriptFromDisk(const std::string & fileName)
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{
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std::string script;
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std::string line;
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std::ifstream scriptFile(fileName.c_str());
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if (scriptFile.is_open() == false)
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{
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throw (std::string("Could not open file: ") + fileName);
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}
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while (scriptFile.eof() == false)
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{
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std::getline(scriptFile, line);
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script += line;
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script += '\n';
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}
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jsval rval;
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JSBool ok = JS_EvaluateScript(m_Context, m_GlobalObject, script.c_str(), (unsigned int)script.length(), fileName.c_str(), 0, &rval);
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if (ok == JS_FALSE)
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{
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throw (std::string("Error loading script from disk: ") + fileName);
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}
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}
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jsval ScriptingHost::CallFunction(const std::string & functionName, jsval * params, int numParams)
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{
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jsval result;
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JSBool ok = JS_CallFunctionName(m_Context, m_GlobalObject, functionName.c_str(), numParams, params, &result);
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if (ok == JS_FALSE)
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{
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throw (std::string("Failure whilst calling script funtion: ") + functionName);
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}
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return result;
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}
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jsval ScriptingHost::ExecuteScript(const std::string & script)
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{
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jsval rval;
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JSBool ok = JS_EvaluateScript(m_Context, m_GlobalObject, script.c_str(), (int)script.length(), "Console", 0, &rval);
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return rval;
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}
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void ScriptingHost::RegisterFunction(const std::string & functionName, JSNative function, int numArgs)
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{
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JSFunction * func = JS_DefineFunction(m_Context, m_GlobalObject, functionName.c_str(), function, numArgs, 0);
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if (func == NULL)
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{
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throw (std::string("Could not register function ") + functionName);
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}
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}
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void ScriptingHost::DefineConstant(const std::string & name, int value)
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{
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// First remove this constant if it already exists
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JS_DeleteProperty(m_Context, m_GlobalObject, name.c_str());
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JSBool ok = JS_DefineProperty( m_Context, m_GlobalObject, name.c_str(), INT_TO_JSVAL(value),
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NULL, NULL, JSPROP_READONLY);
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if (ok == JS_FALSE)
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{
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throw (std::string("Could not create constant"));
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}
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}
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void ScriptingHost::DefineConstant(const std::string & name, double value)
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{
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// First remove this constant if it already exists
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JS_DeleteProperty(m_Context, m_GlobalObject, name.c_str());
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struct JSConstDoubleSpec spec[2];
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spec[0].name = name.c_str();
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spec[0].dval = value;
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spec[0].flags = JSPROP_READONLY;
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spec[1].name = 0;
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spec[1].dval = 0.0;
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spec[1].flags = 0;
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JSBool ok = JS_DefineConstDoubles(m_Context, m_GlobalObject, spec);
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if (ok == JS_FALSE)
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{
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throw (std::string("Could not create constant"));
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}
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}
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void ScriptingHost::DefineCustomObjectType(JSClass *clasp, JSNative constructor, uintN minArgs, JSPropertySpec *ps, JSFunctionSpec *fs, JSPropertySpec *static_ps, JSFunctionSpec *static_fs)
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{
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std::string typeName = clasp->name;
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if (m_CustomObjectTypes.find(typeName) != m_CustomObjectTypes.end())
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{
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// This type already exists
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throw std::string("Type already exists");
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}
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JSObject * obj = JS_InitClass( m_Context, m_GlobalObject, 0,
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clasp,
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constructor, minArgs, // Constructor, min args
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ps, fs, // Properties, methods
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static_ps, static_fs); // Constructor properties, methods
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if (obj != NULL)
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{
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CustomType type;
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type.m_Object = obj;
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type.m_Class = clasp;
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m_CustomObjectTypes[typeName] = type;
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}
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else
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{
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throw std::string("Type creation failed");
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}
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}
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JSObject * ScriptingHost::CreateCustomObject(const std::string & typeName)
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{
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std::map < std::string, CustomType > ::iterator it = m_CustomObjectTypes.find(typeName);
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if (it == m_CustomObjectTypes.end())
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{
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throw std::string("Tried to create a type that doesn't exist");
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}
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return JS_NewObject(m_Context, (*it).second.m_Class, (*it).second.m_Object, NULL);
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}
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void ScriptingHost::SetObjectProperty(JSObject * object, const std::string & propertyName, jsval value)
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{
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JS_SetProperty(m_Context, object, propertyName.c_str(), &value);
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}
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int ScriptingHost::ValueToInt(const jsval value)
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{
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int i = 0;
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JSBool ok = JS_ValueToInt32(m_Context, value, (int32*)&i);
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if (ok == JS_FALSE)
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{
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throw (std::string("Convert to int failed"));
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}
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return i;
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}
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bool ScriptingHost::ValueToBool(const jsval value)
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{
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JSBool b;
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JSBool ok = JS_ValueToBoolean(m_Context, value, &b);
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if (ok == JS_FALSE)
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{
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throw (std::string("Convert to bool failed"));
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}
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return b == JS_TRUE;
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}
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std::string ScriptingHost::ValueToString(const jsval value)
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{
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JSString * string = JS_ValueToString(m_Context, value);
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return std::string(JS_GetStringBytes(string));
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}
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double ScriptingHost::ValueToDouble(const jsval value)
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{
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jsdouble d;
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JSBool ok = JS_ValueToNumber(m_Context, value, &d);
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if (ok == JS_FALSE)
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{
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throw (std::string("Convert to double failed"));
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}
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return d;
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}
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void ScriptingHost::ErrorReporter(JSContext * context, const char * message, JSErrorReport * report)
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{
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if (report->filename != NULL)
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{
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std::cout << report->filename << " (" << report->lineno << ") ";
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}
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if (message != NULL)
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{
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std::cout << message << std::endl;
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}
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else
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{
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std::cout << "No error message available" << std::endl;
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}
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}
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void ScriptingHost::Tick(float timeElapsed)
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{
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if (timeElapsed > 0.2f) timeElapsed = 0.2f;
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for (int i = 0; i < (int)m_DelayedScripts.size(); )
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{
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m_DelayedScripts[i].m_SecondsToExecution -= timeElapsed;
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if (m_DelayedScripts[i].m_SecondsToExecution <= 0.0f)
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{
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this->ExecuteScript(m_DelayedScripts[i].m_FunctionName);
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m_DelayedScripts.erase(m_DelayedScripts.begin() + i);
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}
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else
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{
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i++;
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}
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}
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}
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void ScriptingHost::AddDelayedScript(const std::string & functionName, float delaySeconds)
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{
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m_DelayedScripts.push_back(DelayedScriptExecutor(functionName, delaySeconds));
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}
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void ScriptingHost::_CollectGarbage()
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{
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JS_GC(m_Context);
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}
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#include "ScriptingHost.h"
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#include "ScriptGlue.h"
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#include <sstream>
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#include <fstream>
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#include <iostream>
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#pragma comment (lib, "js32.lib")
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namespace
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{
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const int RUNTIME_MEMORY_ALLOWANCE = 16 * 1024 * 1024;
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const int STACK_CHUNK_SIZE = 16 * 1024;
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JSClass GlobalClass =
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{
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"global", 0,
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JS_PropertyStub, JS_PropertyStub,
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JS_PropertyStub, JS_PropertyStub,
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JS_EnumerateStub, JS_ResolveStub,
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JS_ConvertStub, JS_FinalizeStub
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};
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}
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ScriptingHost::ScriptingHost() : m_RunTime(NULL), m_Context(NULL), m_GlobalObject(NULL)
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{
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m_RunTime = JS_NewRuntime(RUNTIME_MEMORY_ALLOWANCE);
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if (m_RunTime == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create JavaScript runtime"));
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}
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m_Context = JS_NewContext(m_RunTime, STACK_CHUNK_SIZE);
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if (m_Context == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create JavaScript context"));
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}
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JS_SetErrorReporter(m_Context, ScriptingHost::ErrorReporter);
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m_GlobalObject = JS_NewObject(m_Context, &GlobalClass, NULL, NULL);
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if (m_GlobalObject == NULL)
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{
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throw (std::string("ScriptingHost: Failed to create global object"));
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}
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if (JS_InitStandardClasses(m_Context, m_GlobalObject) == JSVAL_FALSE)
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{
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throw (std::string("ScriptingHost: Failed to init standard classes"));
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}
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if (JS_DefineFunctions(m_Context, m_GlobalObject, ScriptFunctionTable) == JS_FALSE)
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{
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throw (std::string("ScriptingHost: Failed to setup native functions"));
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}
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std::cout << "Scripting environment initialized" << std::endl;
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}
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ScriptingHost::~ScriptingHost()
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{
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if (m_Context != NULL)
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{
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JS_DestroyContext(m_Context);
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m_Context = NULL;
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}
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if (m_RunTime != NULL)
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{
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JS_DestroyRuntime(m_RunTime);
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m_RunTime = NULL;
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}
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}
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void ScriptingHost::LoadScriptFromDisk(const std::string & fileName)
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{
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std::string script;
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std::string line;
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std::ifstream scriptFile(fileName.c_str());
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||||
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if (scriptFile.is_open() == false)
|
||||
{
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throw (std::string("Could not open file: ") + fileName);
|
||||
}
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||||
while (scriptFile.eof() == false)
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{
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std::getline(scriptFile, line);
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script += line;
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script += '\n';
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}
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jsval rval;
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JSBool ok = JS_EvaluateScript(m_Context, m_GlobalObject, script.c_str(), (unsigned int)script.length(), fileName.c_str(), 0, &rval);
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if (ok == JS_FALSE)
|
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{
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throw (std::string("Error loading script from disk: ") + fileName);
|
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}
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}
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jsval ScriptingHost::CallFunction(const std::string & functionName, jsval * params, int numParams)
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{
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jsval result;
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JSBool ok = JS_CallFunctionName(m_Context, m_GlobalObject, functionName.c_str(), numParams, params, &result);
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if (ok == JS_FALSE)
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{
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throw (std::string("Failure whilst calling script funtion: ") + functionName);
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}
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||||
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return result;
|
||||
}
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jsval ScriptingHost::ExecuteScript(const std::string & script)
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||||
{
|
||||
jsval rval;
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||||
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||||
JSBool ok = JS_EvaluateScript(m_Context, m_GlobalObject, script.c_str(), (int)script.length(), "Console", 0, &rval);
|
||||
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||||
return rval;
|
||||
}
|
||||
|
||||
void ScriptingHost::RegisterFunction(const std::string & functionName, JSNative function, int numArgs)
|
||||
{
|
||||
JSFunction * func = JS_DefineFunction(m_Context, m_GlobalObject, functionName.c_str(), function, numArgs, 0);
|
||||
|
||||
if (func == NULL)
|
||||
{
|
||||
throw (std::string("Could not register function ") + functionName);
|
||||
}
|
||||
}
|
||||
|
||||
void ScriptingHost::DefineConstant(const std::string & name, int value)
|
||||
{
|
||||
// First remove this constant if it already exists
|
||||
JS_DeleteProperty(m_Context, m_GlobalObject, name.c_str());
|
||||
|
||||
JSBool ok = JS_DefineProperty( m_Context, m_GlobalObject, name.c_str(), INT_TO_JSVAL(value),
|
||||
NULL, NULL, JSPROP_READONLY);
|
||||
|
||||
if (ok == JS_FALSE)
|
||||
{
|
||||
throw (std::string("Could not create constant"));
|
||||
}
|
||||
}
|
||||
|
||||
void ScriptingHost::DefineConstant(const std::string & name, double value)
|
||||
{
|
||||
// First remove this constant if it already exists
|
||||
JS_DeleteProperty(m_Context, m_GlobalObject, name.c_str());
|
||||
|
||||
struct JSConstDoubleSpec spec[2];
|
||||
|
||||
spec[0].name = name.c_str();
|
||||
spec[0].dval = value;
|
||||
spec[0].flags = JSPROP_READONLY;
|
||||
|
||||
spec[1].name = 0;
|
||||
spec[1].dval = 0.0;
|
||||
spec[1].flags = 0;
|
||||
|
||||
JSBool ok = JS_DefineConstDoubles(m_Context, m_GlobalObject, spec);
|
||||
|
||||
if (ok == JS_FALSE)
|
||||
{
|
||||
throw (std::string("Could not create constant"));
|
||||
}
|
||||
}
|
||||
|
||||
void ScriptingHost::DefineCustomObjectType(JSClass *clasp, JSNative constructor, uintN minArgs, JSPropertySpec *ps, JSFunctionSpec *fs, JSPropertySpec *static_ps, JSFunctionSpec *static_fs)
|
||||
{
|
||||
std::string typeName = clasp->name;
|
||||
|
||||
if (m_CustomObjectTypes.find(typeName) != m_CustomObjectTypes.end())
|
||||
{
|
||||
// This type already exists
|
||||
throw std::string("Type already exists");
|
||||
}
|
||||
|
||||
JSObject * obj = JS_InitClass( m_Context, m_GlobalObject, 0,
|
||||
clasp,
|
||||
constructor, minArgs, // Constructor, min args
|
||||
ps, fs, // Properties, methods
|
||||
static_ps, static_fs); // Constructor properties, methods
|
||||
|
||||
if (obj != NULL)
|
||||
{
|
||||
CustomType type;
|
||||
|
||||
type.m_Object = obj;
|
||||
type.m_Class = clasp;
|
||||
|
||||
m_CustomObjectTypes[typeName] = type;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw std::string("Type creation failed");
|
||||
}
|
||||
}
|
||||
|
||||
JSObject * ScriptingHost::CreateCustomObject(const std::string & typeName)
|
||||
{
|
||||
std::map < std::string, CustomType > ::iterator it = m_CustomObjectTypes.find(typeName);
|
||||
|
||||
if (it == m_CustomObjectTypes.end())
|
||||
{
|
||||
throw std::string("Tried to create a type that doesn't exist");
|
||||
}
|
||||
|
||||
return JS_NewObject(m_Context, (*it).second.m_Class, (*it).second.m_Object, NULL);
|
||||
|
||||
}
|
||||
|
||||
void ScriptingHost::SetObjectProperty(JSObject * object, const std::string & propertyName, jsval value)
|
||||
{
|
||||
JS_SetProperty(m_Context, object, propertyName.c_str(), &value);
|
||||
}
|
||||
|
||||
int ScriptingHost::ValueToInt(const jsval value)
|
||||
{
|
||||
int i = 0;
|
||||
|
||||
JSBool ok = JS_ValueToInt32(m_Context, value, (int32*)&i);
|
||||
|
||||
if (ok == JS_FALSE)
|
||||
{
|
||||
throw (std::string("Convert to int failed"));
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
bool ScriptingHost::ValueToBool(const jsval value)
|
||||
{
|
||||
JSBool b;
|
||||
|
||||
JSBool ok = JS_ValueToBoolean(m_Context, value, &b);
|
||||
|
||||
if (ok == JS_FALSE)
|
||||
{
|
||||
throw (std::string("Convert to bool failed"));
|
||||
}
|
||||
|
||||
return b == JS_TRUE;
|
||||
}
|
||||
|
||||
std::string ScriptingHost::ValueToString(const jsval value)
|
||||
{
|
||||
JSString * string = JS_ValueToString(m_Context, value);
|
||||
|
||||
return std::string(JS_GetStringBytes(string));
|
||||
}
|
||||
|
||||
double ScriptingHost::ValueToDouble(const jsval value)
|
||||
{
|
||||
jsdouble d;
|
||||
|
||||
JSBool ok = JS_ValueToNumber(m_Context, value, &d);
|
||||
|
||||
if (ok == JS_FALSE)
|
||||
{
|
||||
throw (std::string("Convert to double failed"));
|
||||
}
|
||||
|
||||
return d;
|
||||
}
|
||||
|
||||
void ScriptingHost::ErrorReporter(JSContext * context, const char * message, JSErrorReport * report)
|
||||
{
|
||||
if (report->filename != NULL)
|
||||
{
|
||||
std::cout << report->filename << " (" << report->lineno << ") ";
|
||||
}
|
||||
|
||||
if (message != NULL)
|
||||
{
|
||||
std::cout << message << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "No error message available" << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
void ScriptingHost::Tick(float timeElapsed)
|
||||
{
|
||||
if (timeElapsed > 0.2f) timeElapsed = 0.2f;
|
||||
|
||||
for (int i = 0; i < (int)m_DelayedScripts.size(); )
|
||||
{
|
||||
m_DelayedScripts[i].m_SecondsToExecution -= timeElapsed;
|
||||
|
||||
if (m_DelayedScripts[i].m_SecondsToExecution <= 0.0f)
|
||||
{
|
||||
this->ExecuteScript(m_DelayedScripts[i].m_FunctionName);
|
||||
m_DelayedScripts.erase(m_DelayedScripts.begin() + i);
|
||||
}
|
||||
else
|
||||
{
|
||||
i++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void ScriptingHost::AddDelayedScript(const std::string & functionName, float delaySeconds)
|
||||
{
|
||||
m_DelayedScripts.push_back(DelayedScriptExecutor(functionName, delaySeconds));
|
||||
}
|
||||
|
||||
void ScriptingHost::_CollectGarbage()
|
||||
{
|
||||
JS_GC(m_Context);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user