988 lines
30 KiB
C++
988 lines
30 KiB
C++
#include <string.h>
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#include "scripthelper.h"
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#include <assert.h>
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#include <stdio.h>
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#include <fstream>
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#include <set>
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#include <stdlib.h>
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using namespace std;
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BEGIN_AS_NAMESPACE
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int CompareRelation(asIScriptEngine *engine, void *lobj, void *robj, int typeId, int &result)
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{
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// TODO: If a lot of script objects are going to be compared, e.g. when sorting an array,
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// then the method id and context should be cached between calls.
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int retval = -1;
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asIScriptFunction *func = 0;
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asITypeInfo *ti = engine->GetTypeInfoById(typeId);
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if( ti )
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{
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// Check if the object type has a compatible opCmp method
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for( asUINT n = 0; n < ti->GetMethodCount(); n++ )
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{
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asIScriptFunction *f = ti->GetMethodByIndex(n);
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asDWORD flags;
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if( strcmp(f->GetName(), "opCmp") == 0 &&
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f->GetReturnTypeId(&flags) == asTYPEID_INT32 &&
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flags == asTM_NONE &&
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f->GetParamCount() == 1 )
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{
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int paramTypeId;
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f->GetParam(0, ¶mTypeId, &flags);
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// The parameter must be an input reference of the same type
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// If the reference is a inout reference, then it must also be read-only
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if( !(flags & asTM_INREF) || typeId != paramTypeId || ((flags & asTM_OUTREF) && !(flags & asTM_CONST)) )
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break;
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// Found the method
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func = f;
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break;
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}
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}
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}
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if( func )
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{
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// Call the method
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asIScriptContext *ctx = engine->CreateContext();
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ctx->Prepare(func);
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ctx->SetObject(lobj);
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ctx->SetArgAddress(0, robj);
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int r = ctx->Execute();
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if( r == asEXECUTION_FINISHED )
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{
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result = (int)ctx->GetReturnDWord();
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// The comparison was successful
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retval = 0;
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}
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ctx->Release();
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}
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return retval;
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}
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int CompareEquality(asIScriptEngine *engine, void *lobj, void *robj, int typeId, bool &result)
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{
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// TODO: If a lot of script objects are going to be compared, e.g. when searching for an
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// entry in a set, then the method and context should be cached between calls.
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int retval = -1;
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asIScriptFunction *func = 0;
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asITypeInfo *ti = engine->GetTypeInfoById(typeId);
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if( ti )
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{
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// Check if the object type has a compatible opEquals method
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for( asUINT n = 0; n < ti->GetMethodCount(); n++ )
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{
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asIScriptFunction *f = ti->GetMethodByIndex(n);
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asDWORD flags;
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if( strcmp(f->GetName(), "opEquals") == 0 &&
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f->GetReturnTypeId(&flags) == asTYPEID_BOOL &&
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flags == asTM_NONE &&
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f->GetParamCount() == 1 )
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{
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int paramTypeId;
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f->GetParam(0, ¶mTypeId, &flags);
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// The parameter must be an input reference of the same type
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// If the reference is a inout reference, then it must also be read-only
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if( !(flags & asTM_INREF) || typeId != paramTypeId || ((flags & asTM_OUTREF) && !(flags & asTM_CONST)) )
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break;
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// Found the method
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func = f;
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break;
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}
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}
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}
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if( func )
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{
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// Call the method
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asIScriptContext *ctx = engine->CreateContext();
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ctx->Prepare(func);
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ctx->SetObject(lobj);
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ctx->SetArgAddress(0, robj);
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int r = ctx->Execute();
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if( r == asEXECUTION_FINISHED )
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{
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result = ctx->GetReturnByte() ? true : false;
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// The comparison was successful
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retval = 0;
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}
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ctx->Release();
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}
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else
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{
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// If the opEquals method doesn't exist, then we try with opCmp instead
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int relation;
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retval = CompareRelation(engine, lobj, robj, typeId, relation);
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if( retval >= 0 )
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result = relation == 0 ? true : false;
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}
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return retval;
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}
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int ExecuteString(asIScriptEngine *engine, const char *code, asIScriptModule *mod, asIScriptContext *ctx)
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{
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return ExecuteString(engine, code, 0, asTYPEID_VOID, mod, ctx);
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}
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int ExecuteString(asIScriptEngine *engine, const char *code, void *ref, int refTypeId, asIScriptModule *mod, asIScriptContext *ctx)
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{
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// Wrap the code in a function so that it can be compiled and executed
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string funcCode = " ExecuteString() {\n";
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funcCode += code;
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funcCode += "\n;}";
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// Determine the return type based on the type of the ref arg
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funcCode = engine->GetTypeDeclaration(refTypeId, true) + funcCode;
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// GetModule will free unused types, so to be on the safe side we'll hold on to a reference to the type
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asITypeInfo *type = 0;
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if( refTypeId & asTYPEID_MASK_OBJECT )
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{
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type = engine->GetTypeInfoById(refTypeId);
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if( type )
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type->AddRef();
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}
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// If no module was provided, get a dummy from the engine
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asIScriptModule *execMod = mod ? mod : engine->GetModule("ExecuteString", asGM_ALWAYS_CREATE);
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// Now it's ok to release the type
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if( type )
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type->Release();
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// Compile the function that can be executed
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asIScriptFunction *func = 0;
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int r = execMod->CompileFunction("ExecuteString", funcCode.c_str(), -1, 0, &func);
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if( r < 0 )
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return r;
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// If no context was provided, request a new one from the engine
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asIScriptContext *execCtx = ctx ? ctx : engine->RequestContext();
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r = execCtx->Prepare(func);
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if (r >= 0)
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{
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// Execute the function
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r = execCtx->Execute();
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// Unless the provided type was void retrieve it's value
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if (ref != 0 && refTypeId != asTYPEID_VOID)
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{
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if (refTypeId & asTYPEID_OBJHANDLE)
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{
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// Expect the pointer to be null to start with
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assert(*reinterpret_cast<void**>(ref) == 0);
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*reinterpret_cast<void**>(ref) = *reinterpret_cast<void**>(execCtx->GetAddressOfReturnValue());
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engine->AddRefScriptObject(*reinterpret_cast<void**>(ref), engine->GetTypeInfoById(refTypeId));
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}
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else if (refTypeId & asTYPEID_MASK_OBJECT)
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{
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// Use the registered assignment operator to do a value assign.
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// This assumes that the ref is pointing to a valid object instance.
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engine->AssignScriptObject(ref, execCtx->GetAddressOfReturnValue(), engine->GetTypeInfoById(refTypeId));
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}
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else
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{
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// Copy the primitive value
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memcpy(ref, execCtx->GetAddressOfReturnValue(), engine->GetSizeOfPrimitiveType(refTypeId));
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}
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}
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}
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// Clean up
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func->Release();
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if( !ctx ) engine->ReturnContext(execCtx);
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return r;
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}
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int WriteConfigToFile(asIScriptEngine *engine, const char *filename)
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{
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ofstream strm;
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strm.open(filename);
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return WriteConfigToStream(engine, strm);
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}
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int WriteConfigToStream(asIScriptEngine *engine, ostream &strm)
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{
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// A helper function for escaping quotes in default arguments
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struct Escape
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{
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static string Quotes(const char *decl)
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{
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string str = decl;
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size_t pos = 0;
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for(;;)
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{
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// Find " characters
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pos = str.find("\"",pos);
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if( pos == string::npos )
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break;
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// Add a \ to escape them
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str.insert(pos, "\\");
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pos += 2;
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}
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return str;
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}
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};
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int c, n;
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asDWORD currAccessMask = 0;
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string currNamespace = "";
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engine->SetDefaultNamespace("");
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// Export the engine version, just for info
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strm << "// AngelScript " << asGetLibraryVersion() << "\n";
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strm << "// Lib options " << asGetLibraryOptions() << "\n";
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// Export the relevant engine properties
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strm << "// Engine properties\n";
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for( n = 0; n < asEP_LAST_PROPERTY; n++ )
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strm << "ep " << n << " " << engine->GetEngineProperty(asEEngineProp(n)) << "\n";
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// Make sure the default array type is expanded to the template form
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bool expandDefArrayToTempl = engine->GetEngineProperty(asEP_EXPAND_DEF_ARRAY_TO_TMPL) ? true : false;
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engine->SetEngineProperty(asEP_EXPAND_DEF_ARRAY_TO_TMPL, true);
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// Write enum types and their values
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strm << "\n// Enums\n";
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c = engine->GetEnumCount();
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for( n = 0; n < c; n++ )
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{
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asITypeInfo *ti = engine->GetEnumByIndex(n);
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asDWORD accessMask = ti->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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const char *nameSpace = ti->GetNamespace();
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if( nameSpace != currNamespace )
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{
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strm << "namespace \"" << nameSpace << "\"\n";
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currNamespace = nameSpace;
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engine->SetDefaultNamespace(currNamespace.c_str());
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}
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const char *enumName = ti->GetName();
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strm << "enum " << enumName << "\n";
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for( asUINT m = 0; m < ti->GetEnumValueCount(); m++ )
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{
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const char *valName;
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int val;
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valName = ti->GetEnumValueByIndex(m, &val);
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strm << "enumval " << enumName << " " << valName << " " << val << "\n";
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}
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}
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// Enumerate all types
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strm << "\n// Types\n";
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// Keep a list of the template types, as the methods for these need to be exported first
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set<asITypeInfo*> templateTypes;
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c = engine->GetObjectTypeCount();
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for( n = 0; n < c; n++ )
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{
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asITypeInfo *type = engine->GetObjectTypeByIndex(n);
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asDWORD accessMask = type->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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const char *nameSpace = type->GetNamespace();
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if( nameSpace != currNamespace )
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{
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strm << "namespace \"" << nameSpace << "\"\n";
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currNamespace = nameSpace;
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engine->SetDefaultNamespace(currNamespace.c_str());
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}
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if( type->GetFlags() & asOBJ_SCRIPT_OBJECT )
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{
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// This should only be interfaces
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assert( type->GetSize() == 0 );
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strm << "intf " << type->GetName() << "\n";
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}
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else
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{
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// Only the type flags are necessary. The application flags are application
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// specific and doesn't matter to the offline compiler. The object size is also
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// unnecessary for the offline compiler
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strm << "objtype \"" << engine->GetTypeDeclaration(type->GetTypeId()) << "\" " << (unsigned int)(type->GetFlags() & asOBJ_MASK_VALID_FLAGS) << "\n";
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// Store the template types (but not template instances)
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if( (type->GetFlags() & asOBJ_TEMPLATE) && type->GetSubType() && (type->GetSubType()->GetFlags() & asOBJ_TEMPLATE_SUBTYPE) )
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templateTypes.insert(type);
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}
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}
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c = engine->GetTypedefCount();
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for( n = 0; n < c; n++ )
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{
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asITypeInfo *ti = engine->GetTypedefByIndex(n);
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const char *nameSpace = ti->GetNamespace();
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if( nameSpace != currNamespace )
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{
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strm << "namespace \"" << nameSpace << "\"\n";
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currNamespace = nameSpace;
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engine->SetDefaultNamespace(currNamespace.c_str());
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}
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asDWORD accessMask = ti->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "typedef " << ti->GetName() << " \"" << engine->GetTypeDeclaration(ti->GetTypedefTypeId()) << "\"\n";
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}
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c = engine->GetFuncdefCount();
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for( n = 0; n < c; n++ )
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{
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asITypeInfo *funcDef = engine->GetFuncdefByIndex(n);
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asDWORD accessMask = funcDef->GetAccessMask();
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const char *nameSpace = funcDef->GetNamespace();
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// Child funcdefs do not have any namespace, as they belong to the parent object
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if( nameSpace && nameSpace != currNamespace )
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{
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strm << "namespace \"" << nameSpace << "\"\n";
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currNamespace = nameSpace;
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engine->SetDefaultNamespace(currNamespace.c_str());
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}
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "funcdef \"" << funcDef->GetFuncdefSignature()->GetDeclaration() << "\"\n";
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}
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// A helper for writing object type members
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struct TypeWriter
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{
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static void Write(asIScriptEngine *engine, ostream &strm, asITypeInfo *type, string &currNamespace, asDWORD &currAccessMask)
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{
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const char *nameSpace = type->GetNamespace();
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if( nameSpace != currNamespace )
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{
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strm << "namespace \"" << nameSpace << "\"\n";
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currNamespace = nameSpace;
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engine->SetDefaultNamespace(currNamespace.c_str());
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}
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string typeDecl = engine->GetTypeDeclaration(type->GetTypeId());
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if( type->GetFlags() & asOBJ_SCRIPT_OBJECT )
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{
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for( asUINT m = 0; m < type->GetMethodCount(); m++ )
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{
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asIScriptFunction *func = type->GetMethodByIndex(m);
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asDWORD accessMask = func->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "intfmthd " << typeDecl.c_str() << " \"" << Escape::Quotes(func->GetDeclaration(false)).c_str() << (func->IsProperty() ? " property" : "") << "\"\n";
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}
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}
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else
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{
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asUINT m;
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for( m = 0; m < type->GetFactoryCount(); m++ )
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{
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asIScriptFunction *func = type->GetFactoryByIndex(m);
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asDWORD accessMask = func->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "objbeh \"" << typeDecl.c_str() << "\" " << asBEHAVE_FACTORY << " \"" << Escape::Quotes(func->GetDeclaration(false)).c_str() << "\"\n";
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}
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for( m = 0; m < type->GetBehaviourCount(); m++ )
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{
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asEBehaviours beh;
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asIScriptFunction *func = type->GetBehaviourByIndex(m, &beh);
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if( beh == asBEHAVE_CONSTRUCT )
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// Prefix 'void'
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strm << "objbeh \"" << typeDecl.c_str() << "\" " << beh << " \"void " << Escape::Quotes(func->GetDeclaration(false)).c_str() << "\"\n";
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else if( beh == asBEHAVE_DESTRUCT )
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// Prefix 'void' and remove ~
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strm << "objbeh \"" << typeDecl.c_str() << "\" " << beh << " \"void " << Escape::Quotes(func->GetDeclaration(false)).c_str()+1 << "\"\n";
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else
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strm << "objbeh \"" << typeDecl.c_str() << "\" " << beh << " \"" << Escape::Quotes(func->GetDeclaration(false)).c_str() << "\"\n";
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}
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for( m = 0; m < type->GetMethodCount(); m++ )
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{
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asIScriptFunction *func = type->GetMethodByIndex(m);
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asDWORD accessMask = func->GetAccessMask();
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "objmthd \"" << typeDecl.c_str() << "\" \"" << Escape::Quotes(func->GetDeclaration(false)).c_str() << (func->IsProperty() ? " property" : "") << "\"\n";
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}
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for( m = 0; m < type->GetPropertyCount(); m++ )
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{
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asDWORD accessMask;
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type->GetProperty(m, 0, 0, 0, 0, 0, 0, &accessMask);
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if( accessMask != currAccessMask )
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{
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strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
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currAccessMask = accessMask;
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}
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strm << "objprop \"" << typeDecl.c_str() << "\" \"" << type->GetPropertyDeclaration(m) << "\"";
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// Save information about composite properties
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int compositeOffset;
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bool isCompositeIndirect;
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type->GetProperty(m, 0, 0, 0, 0, 0, 0, 0, &compositeOffset, &isCompositeIndirect);
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strm << " " << compositeOffset << " " << (isCompositeIndirect ? "1" : "0") << "\n";
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}
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}
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}
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};
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// Write the members of the template types, so they can be fully registered before any other type uses them
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// TODO: Order the template types based on dependency to avoid failure if one type uses instances of another
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strm << "\n// Template type members\n";
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for( set<asITypeInfo*>::iterator it = templateTypes.begin(); it != templateTypes.end(); ++it )
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{
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asITypeInfo *type = *it;
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TypeWriter::Write(engine, strm, type, currNamespace, currAccessMask);
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}
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// Write the object types members
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strm << "\n// Type members\n";
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c = engine->GetObjectTypeCount();
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for( n = 0; n < c; n++ )
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{
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asITypeInfo *type = engine->GetObjectTypeByIndex(n);
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if( templateTypes.find(type) == templateTypes.end() )
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TypeWriter::Write(engine, strm, type, currNamespace, currAccessMask);
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}
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// Write functions
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strm << "\n// Functions\n";
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c = engine->GetGlobalFunctionCount();
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for( n = 0; n < c; n++ )
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{
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asIScriptFunction *func = engine->GetGlobalFunctionByIndex(n);
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const char *nameSpace = func->GetNamespace();
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|
if( nameSpace != currNamespace )
|
|
{
|
|
strm << "namespace \"" << nameSpace << "\"\n";
|
|
currNamespace = nameSpace;
|
|
engine->SetDefaultNamespace(currNamespace.c_str());
|
|
}
|
|
asDWORD accessMask = func->GetAccessMask();
|
|
if( accessMask != currAccessMask )
|
|
{
|
|
strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
|
|
currAccessMask = accessMask;
|
|
}
|
|
strm << "func \"" << Escape::Quotes(func->GetDeclaration()).c_str() << (func->IsProperty() ? " property" : "") << "\"\n";
|
|
}
|
|
|
|
// Write global properties
|
|
strm << "\n// Properties\n";
|
|
|
|
c = engine->GetGlobalPropertyCount();
|
|
for( n = 0; n < c; n++ )
|
|
{
|
|
const char *name;
|
|
int typeId;
|
|
bool isConst;
|
|
asDWORD accessMask;
|
|
const char *nameSpace;
|
|
engine->GetGlobalPropertyByIndex(n, &name, &nameSpace, &typeId, &isConst, 0, 0, &accessMask);
|
|
if( accessMask != currAccessMask )
|
|
{
|
|
strm << "access " << hex << (unsigned int)(accessMask) << dec << "\n";
|
|
currAccessMask = accessMask;
|
|
}
|
|
if( nameSpace != currNamespace )
|
|
{
|
|
strm << "namespace \"" << nameSpace << "\"\n";
|
|
currNamespace = nameSpace;
|
|
engine->SetDefaultNamespace(currNamespace.c_str());
|
|
}
|
|
strm << "prop \"" << (isConst ? "const " : "") << engine->GetTypeDeclaration(typeId) << " " << name << "\"\n";
|
|
}
|
|
|
|
// Write string factory
|
|
strm << "\n// String factory\n";
|
|
|
|
// Reset the namespace for the string factory and default array type
|
|
if ("" != currNamespace)
|
|
{
|
|
strm << "namespace \"\"\n";
|
|
currNamespace = "";
|
|
engine->SetDefaultNamespace("");
|
|
}
|
|
|
|
asDWORD flags = 0;
|
|
int typeId = engine->GetStringFactoryReturnTypeId(&flags);
|
|
if( typeId > 0 )
|
|
strm << "strfactory \"" << ((flags & asTM_CONST) ? "const " : "") << engine->GetTypeDeclaration(typeId) << ((flags & asTM_INOUTREF) ? "&" : "") << "\"\n";
|
|
|
|
// Write default array type
|
|
strm << "\n// Default array type\n";
|
|
typeId = engine->GetDefaultArrayTypeId();
|
|
if( typeId > 0 )
|
|
strm << "defarray \"" << engine->GetTypeDeclaration(typeId) << "\"\n";
|
|
|
|
// Restore original settings
|
|
engine->SetEngineProperty(asEP_EXPAND_DEF_ARRAY_TO_TMPL, expandDefArrayToTempl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ConfigEngineFromStream(asIScriptEngine *engine, istream &strm, const char *configFile, asIStringFactory *stringFactory)
|
|
{
|
|
int r;
|
|
|
|
// Some helper functions for parsing the configuration
|
|
struct in
|
|
{
|
|
static asETokenClass GetToken(asIScriptEngine *engine, string &token, const string &text, asUINT &pos)
|
|
{
|
|
asUINT len = 0;
|
|
asETokenClass t = engine->ParseToken(&text[pos], text.length() - pos, &len);
|
|
while( (t == asTC_WHITESPACE || t == asTC_COMMENT) && pos < text.length() )
|
|
{
|
|
pos += len;
|
|
t = engine->ParseToken(&text[pos], text.length() - pos, &len);
|
|
}
|
|
|
|
token.assign(&text[pos], len);
|
|
|
|
pos += len;
|
|
|
|
return t;
|
|
}
|
|
|
|
static void ReplaceSlashQuote(string &str)
|
|
{
|
|
size_t pos = 0;
|
|
for(;;)
|
|
{
|
|
// Search for \" in the string
|
|
pos = str.find("\\\"", pos);
|
|
if( pos == string::npos )
|
|
break;
|
|
|
|
// Remove the \ character
|
|
str.erase(pos, 1);
|
|
}
|
|
}
|
|
|
|
static asUINT GetLineNumber(const string &text, asUINT pos)
|
|
{
|
|
asUINT count = 1;
|
|
for( asUINT n = 0; n < pos; n++ )
|
|
if( text[n] == '\n' )
|
|
count++;
|
|
|
|
return count;
|
|
}
|
|
};
|
|
|
|
// Since we are only going to compile the script and never actually execute it,
|
|
// we turn off the initialization of global variables, so that the compiler can
|
|
// just register dummy types and functions for the application interface.
|
|
r = engine->SetEngineProperty(asEP_INIT_GLOBAL_VARS_AFTER_BUILD, false); assert( r >= 0 );
|
|
|
|
// Read the entire file
|
|
char buffer[1000];
|
|
string config;
|
|
do {
|
|
strm.getline(buffer, 1000);
|
|
config += buffer;
|
|
config += "\n";
|
|
} while( !strm.eof() && strm.good() );
|
|
|
|
// Process the configuration file and register each entity
|
|
asUINT pos = 0;
|
|
while( pos < config.length() )
|
|
{
|
|
string token;
|
|
// TODO: The position where the initial token is found should be stored for error messages
|
|
in::GetToken(engine, token, config, pos);
|
|
if( token == "ep" )
|
|
{
|
|
string tmp;
|
|
in::GetToken(engine, tmp, config, pos);
|
|
|
|
asEEngineProp ep = asEEngineProp(atol(tmp.c_str()));
|
|
|
|
// Only set properties that affect the compiler
|
|
if( ep != asEP_COPY_SCRIPT_SECTIONS &&
|
|
ep != asEP_MAX_STACK_SIZE &&
|
|
ep != asEP_INIT_GLOBAL_VARS_AFTER_BUILD &&
|
|
ep != asEP_EXPAND_DEF_ARRAY_TO_TMPL &&
|
|
ep != asEP_AUTO_GARBAGE_COLLECT )
|
|
{
|
|
// Get the value for the property
|
|
in::GetToken(engine, tmp, config, pos);
|
|
stringstream s(tmp);
|
|
asPWORD value;
|
|
|
|
s >> value;
|
|
|
|
engine->SetEngineProperty(ep, value);
|
|
}
|
|
}
|
|
else if( token == "namespace" )
|
|
{
|
|
string ns;
|
|
in::GetToken(engine, ns, config, pos);
|
|
ns = ns.substr(1, ns.length() - 2);
|
|
|
|
r = engine->SetDefaultNamespace(ns.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to set namespace");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "access" )
|
|
{
|
|
string maskStr;
|
|
in::GetToken(engine, maskStr, config, pos);
|
|
asDWORD mask = strtoul(maskStr.c_str(), 0, 16);
|
|
engine->SetDefaultAccessMask(mask);
|
|
}
|
|
else if( token == "objtype" )
|
|
{
|
|
string name, flags;
|
|
in::GetToken(engine, name, config, pos);
|
|
name = name.substr(1, name.length() - 2);
|
|
in::GetToken(engine, flags, config, pos);
|
|
|
|
// The size of the value type doesn't matter, because the
|
|
// engine must adjust it anyway for different platforms
|
|
r = engine->RegisterObjectType(name.c_str(), (atol(flags.c_str()) & asOBJ_VALUE) ? 1 : 0, atol(flags.c_str()));
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register object type");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "objbeh" )
|
|
{
|
|
string name, behaviour, decl;
|
|
in::GetToken(engine, name, config, pos);
|
|
name = name.substr(1, name.length() - 2);
|
|
in::GetToken(engine, behaviour, config, pos);
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
in::ReplaceSlashQuote(decl);
|
|
|
|
// Remove the $ that the engine prefixes the behaviours with
|
|
size_t n = decl.find("$");
|
|
if( n != string::npos )
|
|
decl[n] = ' ';
|
|
|
|
asEBehaviours behave = static_cast<asEBehaviours>(atol(behaviour.c_str()));
|
|
if( behave == asBEHAVE_TEMPLATE_CALLBACK )
|
|
{
|
|
// TODO: How can we let the compiler register this? Maybe through a plug-in system? Or maybe by implementing the callback as a script itself
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_WARNING, "Cannot register template callback without the actual implementation");
|
|
}
|
|
else
|
|
{
|
|
r = engine->RegisterObjectBehaviour(name.c_str(), behave, decl.c_str(), asFUNCTION(0), asCALL_GENERIC);
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register behaviour");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
else if( token == "objmthd" )
|
|
{
|
|
string name, decl;
|
|
in::GetToken(engine, name, config, pos);
|
|
name = name.substr(1, name.length() - 2);
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
in::ReplaceSlashQuote(decl);
|
|
|
|
r = engine->RegisterObjectMethod(name.c_str(), decl.c_str(), asFUNCTION(0), asCALL_GENERIC);
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register object method");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "objprop" )
|
|
{
|
|
string name, decl, compositeOffset, isCompositeIndirect;
|
|
in::GetToken(engine, name, config, pos);
|
|
name = name.substr(1, name.length() - 2);
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
in::GetToken(engine, compositeOffset, config, pos);
|
|
in::GetToken(engine, isCompositeIndirect, config, pos);
|
|
|
|
asITypeInfo *type = engine->GetTypeInfoById(engine->GetTypeIdByDecl(name.c_str()));
|
|
if( type == 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Type doesn't exist for property registration");
|
|
return -1;
|
|
}
|
|
|
|
// All properties must have different offsets in order to make them
|
|
// distinct, so we simply register them with an incremental offset
|
|
r = engine->RegisterObjectProperty(name.c_str(), decl.c_str(), type->GetPropertyCount(), compositeOffset != "0" ? type->GetPropertyCount() : 0, isCompositeIndirect != "0");
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register object property");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "intf" )
|
|
{
|
|
string name, size, flags;
|
|
in::GetToken(engine, name, config, pos);
|
|
|
|
r = engine->RegisterInterface(name.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register interface");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "intfmthd" )
|
|
{
|
|
string name, decl;
|
|
in::GetToken(engine, name, config, pos);
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
in::ReplaceSlashQuote(decl);
|
|
|
|
r = engine->RegisterInterfaceMethod(name.c_str(), decl.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register interface method");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "func" )
|
|
{
|
|
string decl;
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
in::ReplaceSlashQuote(decl);
|
|
|
|
r = engine->RegisterGlobalFunction(decl.c_str(), asFUNCTION(0), asCALL_GENERIC);
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register global function");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "prop" )
|
|
{
|
|
string decl;
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
|
|
// All properties must have different offsets in order to make them
|
|
// distinct, so we simply register them with an incremental offset.
|
|
// The pointer must also be non-null so we add 1 to have a value.
|
|
r = engine->RegisterGlobalProperty(decl.c_str(), reinterpret_cast<void*>(asPWORD(engine->GetGlobalPropertyCount()+1)));
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register global property");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "strfactory" )
|
|
{
|
|
string type;
|
|
in::GetToken(engine, type, config, pos);
|
|
type = type.substr(1, type.length() - 2);
|
|
|
|
if (stringFactory == 0)
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_WARNING, "Cannot register string factory without the actual implementation");
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
r = engine->RegisterStringFactory(type.c_str(), stringFactory);
|
|
if (r < 0)
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register string factory");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
else if( token == "defarray" )
|
|
{
|
|
string type;
|
|
in::GetToken(engine, type, config, pos);
|
|
type = type.substr(1, type.length() - 2);
|
|
|
|
r = engine->RegisterDefaultArrayType(type.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register the default array type");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "enum" )
|
|
{
|
|
string type;
|
|
in::GetToken(engine, type, config, pos);
|
|
|
|
r = engine->RegisterEnum(type.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register enum type");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "enumval" )
|
|
{
|
|
string type, name, value;
|
|
in::GetToken(engine, type, config, pos);
|
|
in::GetToken(engine, name, config, pos);
|
|
in::GetToken(engine, value, config, pos);
|
|
|
|
r = engine->RegisterEnumValue(type.c_str(), name.c_str(), atol(value.c_str()));
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register enum value");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "typedef" )
|
|
{
|
|
string type, decl;
|
|
in::GetToken(engine, type, config, pos);
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
|
|
r = engine->RegisterTypedef(type.c_str(), decl.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register typedef");
|
|
return -1;
|
|
}
|
|
}
|
|
else if( token == "funcdef" )
|
|
{
|
|
string decl;
|
|
in::GetToken(engine, decl, config, pos);
|
|
decl = decl.substr(1, decl.length() - 2);
|
|
|
|
r = engine->RegisterFuncdef(decl.c_str());
|
|
if( r < 0 )
|
|
{
|
|
engine->WriteMessage(configFile, in::GetLineNumber(config, pos), 0, asMSGTYPE_ERROR, "Failed to register funcdef");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
string GetExceptionInfo(asIScriptContext *ctx, bool showStack)
|
|
{
|
|
if( ctx->GetState() != asEXECUTION_EXCEPTION ) return "";
|
|
|
|
stringstream text;
|
|
|
|
const asIScriptFunction *function = ctx->GetExceptionFunction();
|
|
text << "func: " << function->GetDeclaration() << "\n";
|
|
text << "modl: " << (function->GetModuleName() ? function->GetModuleName() : "") << "\n";
|
|
text << "sect: " << (function->GetScriptSectionName() ? function->GetScriptSectionName() : "") << "\n";
|
|
text << "line: " << ctx->GetExceptionLineNumber() << "\n";
|
|
text << "desc: " << ctx->GetExceptionString() << "\n";
|
|
|
|
if( showStack )
|
|
{
|
|
text << "--- call stack ---\n";
|
|
for( asUINT n = 1; n < ctx->GetCallstackSize(); n++ )
|
|
{
|
|
function = ctx->GetFunction(n);
|
|
if( function )
|
|
{
|
|
if( function->GetFuncType() == asFUNC_SCRIPT )
|
|
{
|
|
text << (function->GetScriptSectionName() ? function->GetScriptSectionName() : "") << " (" << ctx->GetLineNumber(n) << "): " << function->GetDeclaration() << "\n";
|
|
}
|
|
else
|
|
{
|
|
// The context is being reused by the application for a nested call
|
|
text << "{...application...}: " << function->GetDeclaration() << "\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// The context is being reused by the script engine for a nested call
|
|
text << "{...script engine...}\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
return text.str();
|
|
}
|
|
|
|
void ScriptThrow(const string &msg)
|
|
{
|
|
asIScriptContext *ctx = asGetActiveContext();
|
|
if (ctx)
|
|
ctx->SetException(msg.c_str());
|
|
}
|
|
|
|
string ScriptGetExceptionInfo()
|
|
{
|
|
asIScriptContext *ctx = asGetActiveContext();
|
|
if (!ctx)
|
|
return "";
|
|
|
|
const char *msg = ctx->GetExceptionString();
|
|
if (msg == 0)
|
|
return "";
|
|
|
|
return string(msg);
|
|
}
|
|
|
|
void RegisterExceptionRoutines(asIScriptEngine *engine)
|
|
{
|
|
[[maybe_unused]] int r;
|
|
|
|
// The string type must be available
|
|
assert(engine->GetTypeInfoByDecl("string"));
|
|
|
|
r = engine->RegisterGlobalFunction("void throw(const string &in)", asFUNCTION(ScriptThrow), asCALL_CDECL); assert(r >= 0);
|
|
r = engine->RegisterGlobalFunction("string getExceptionInfo()", asFUNCTION(ScriptGetExceptionInfo), asCALL_CDECL); assert(r >= 0);
|
|
}
|
|
|
|
END_AS_NAMESPACE
|