263 lines
14 KiB
C++
263 lines
14 KiB
C++
/*
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AngelCode Scripting Library
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Copyright (c) 2003-2019 Andreas Jonsson
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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The original version of this library can be located at:
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http://www.angelcode.com/angelscript/
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Andreas Jonsson
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andreas@angelcode.com
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*/
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//
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// as_builder.h
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//
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// This is the class that manages the compilation of the scripts
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//
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#ifndef AS_BUILDER_H
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#define AS_BUILDER_H
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#include "as_config.h"
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#include "as_symboltable.h"
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#include "as_scriptengine.h"
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#include "as_module.h"
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#include "as_array.h"
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#include "as_scriptcode.h"
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#include "as_scriptnode.h"
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#include "as_datatype.h"
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#include "as_property.h"
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BEGIN_AS_NAMESPACE
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#ifdef AS_NO_COMPILER
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// Forward declare the structure, as it is part of some function signatures used even without the compiler
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struct sGlobalVariableDescription;
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#endif
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#ifndef AS_NO_COMPILER
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struct sFunctionDescription
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{
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asCScriptCode *script;
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asCScriptNode *node;
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asCString name;
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asCObjectType *objType;
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asCArray<asCString> paramNames;
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int funcId;
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bool isExistingShared;
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};
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struct sGlobalVariableDescription
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{
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asCScriptCode *script;
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asCScriptNode *declaredAtNode;
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asCScriptNode *initializationNode;
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asCString name;
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asCGlobalProperty *property;
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asCDataType datatype;
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asSNameSpace *ns;
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int index;
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bool isCompiled;
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bool isPureConstant;
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bool isEnumValue;
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asQWORD constantValue;
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};
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struct sPropertyInitializer
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{
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sPropertyInitializer() : declNode(0), initNode(0), file(0) {}
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sPropertyInitializer(const asCString &nm, asCScriptNode *decl, asCScriptNode *init, asCScriptCode *f) : name(nm), declNode(decl), initNode(init), file(f) {}
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sPropertyInitializer &operator=(const sPropertyInitializer &o) {name = o.name; declNode = o.declNode; initNode = o.initNode; file = o.file; return *this;}
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asCString name;
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asCScriptNode *declNode;
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asCScriptNode *initNode;
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asCScriptCode *file;
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};
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struct sClassDeclaration
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{
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sClassDeclaration() {script = 0; node = 0; validState = 0; typeInfo = 0; isExistingShared = false; isFinal = false;}
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asCScriptCode *script;
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asCScriptNode *node;
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asCString name;
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int validState;
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asCTypeInfo *typeInfo;
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bool isExistingShared;
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bool isFinal;
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asCArray<sPropertyInitializer> propInits;
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};
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struct sFuncDef
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{
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asCScriptCode *script;
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asCScriptNode *node;
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asCString name;
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int idx;
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};
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struct sMixinClass
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{
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asCScriptCode *script;
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asCScriptNode *node;
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asCString name;
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asSNameSpace *ns;
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};
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#endif // AS_NO_COMPILER
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class asCBuilder
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{
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public:
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asCBuilder(asCScriptEngine *engine, asCModule *module);
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~asCBuilder();
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// These methods are used by the application interface
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int VerifyProperty(asCDataType *dt, const char *decl, asCString &outName, asCDataType &outType, asSNameSpace *ns);
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int ParseDataType(const char *datatype, asCDataType *result, asSNameSpace *implicitNamespace, bool isReturnType = false);
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int ParseTemplateDecl(const char *decl, asCString *name, asCArray<asCString> &subtypeNames);
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int ParseFunctionDeclaration(asCObjectType *type, const char *decl, asCScriptFunction *func, bool isSystemFunction, asCArray<bool> *paramAutoHandles = 0, bool *returnAutoHandle = 0, asSNameSpace *ns = 0, asCScriptNode **outListPattern = 0, asCObjectType **outParentClass = 0);
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int ParseVariableDeclaration(const char *decl, asSNameSpace *implicitNamespace, asCString &outName, asSNameSpace *&outNamespace, asCDataType &outDt);
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int CheckNameConflict(const char *name, asCScriptNode *node, asCScriptCode *code, asSNameSpace *ns, bool isProperty, bool isVirtualProperty);
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int CheckNameConflictMember(asCTypeInfo *type, const char *name, asCScriptNode *node, asCScriptCode *code, bool isProperty, bool isVirtualProperty);
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int ValidateVirtualProperty(asCScriptFunction *func);
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#ifndef AS_NO_COMPILER
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int AddCode(const char *name, const char *code, int codeLength, int lineOffset, int sectionIdx, bool makeCopy);
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asCScriptCode *FindOrAddCode(const char *name, const char *code, size_t length);
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int Build();
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int CompileFunction(const char *sectionName, const char *code, int lineOffset, asDWORD compileFlags, asCScriptFunction **outFunc);
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int CompileGlobalVar(const char *sectionName, const char *code, int lineOffset);
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#endif
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protected:
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friend class asCModule;
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friend class asCParser;
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friend class asCScriptFunction;
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friend class asCScriptEngine;
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void Reset();
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void WriteInfo(const asCString &scriptname, const asCString &msg, int r, int c, bool preMessage);
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void WriteInfo(const asCString &msg, asCScriptCode *file, asCScriptNode *node);
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void WriteError(const asCString &scriptname, const asCString &msg, int r, int c);
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void WriteError(const asCString &msg, asCScriptCode *file, asCScriptNode *node);
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void WriteWarning(const asCString &scriptname, const asCString &msg, int r, int c);
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void WriteWarning(const asCString &msg, asCScriptCode *file, asCScriptNode *node);
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bool DoesGlobalPropertyExist(const char *prop, asSNameSpace *ns, asCGlobalProperty **outProp = 0, sGlobalVariableDescription **outDesc = 0, bool *isAppProp = 0);
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asCGlobalProperty *GetGlobalProperty(const char *prop, asSNameSpace *ns, bool *isCompiled, bool *isPureConstant, asQWORD *constantValue, bool *isAppProp);
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int ValidateDefaultArgs(asCScriptCode *script, asCScriptNode *node, asCScriptFunction *func);
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asCString GetCleanExpressionString(asCScriptNode *n, asCScriptCode *file);
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asSNameSpace *GetNameSpaceFromNode(asCScriptNode *node, asCScriptCode *script, asSNameSpace *implicitNs, asCScriptNode **next, asCObjectType **objType = 0);
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asSNameSpace *GetNameSpaceByString(const asCString &nsName, asSNameSpace *implicitNs, asCScriptNode *errNode, asCScriptCode *script, asCTypeInfo **scopeType = 0, bool isRequired = true);
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asCString GetScopeFromNode(asCScriptNode *n, asCScriptCode *script, asCScriptNode **next = 0);
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asCTypeInfo *GetType(const char *type, asSNameSpace *ns, asCObjectType *parentType);
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asCObjectType *GetObjectType(const char *type, asSNameSpace *ns);
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asCFuncdefType *GetFuncDef(const char *type, asSNameSpace *ns, asCObjectType *parentType);
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asCTypeInfo *GetTypeFromTypesKnownByObject(const char *type, asCObjectType *currentType);
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asCDataType CreateDataTypeFromNode(asCScriptNode *node, asCScriptCode *file, asSNameSpace *implicitNamespace, bool acceptHandleForScope = false, asCObjectType *currentType = 0, bool reportError = true, bool *isValid = 0);
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asCObjectType *GetTemplateInstanceFromNode(asCScriptNode *node, asCScriptCode *file, asCObjectType *templateType, asSNameSpace *implicitNamespace, asCObjectType *currentType, asCScriptNode **next = 0);
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asCDataType ModifyDataTypeFromNode(const asCDataType &type, asCScriptNode *node, asCScriptCode *file, asETypeModifiers *inOutFlag, bool *autoHandle);
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int numErrors;
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int numWarnings;
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bool silent;
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asCScriptEngine *engine;
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asCModule *module;
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#ifndef AS_NO_COMPILER
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protected:
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friend class asCCompiler;
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int CheckForConflictsDueToDefaultArgs(asCScriptCode *script, asCScriptNode *node, asCScriptFunction *func, asCObjectType *objType);
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int GetNamespaceAndNameFromNode(asCScriptNode *n, asCScriptCode *script, asSNameSpace *implicitNs, asSNameSpace *&outNs, asCString &outName);
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int RegisterMixinClass(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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sMixinClass *GetMixinClass(const char *name, asSNameSpace *ns);
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void IncludePropertiesFromMixins(sClassDeclaration *decl);
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void IncludeMethodsFromMixins(sClassDeclaration *decl);
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void AddInterfaceToClass(sClassDeclaration *decl, asCScriptNode *errNode, asCObjectType *intf);
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void AddInterfaceFromMixinToClass(sClassDeclaration *decl, asCScriptNode *errNode, sMixinClass *mixin);
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int RegisterScriptFunctionFromNode(asCScriptNode *node, asCScriptCode *file, asCObjectType *object = 0, bool isInterface = false, bool isGlobalFunction = false, asSNameSpace *ns = 0, bool isExistingShared = false, bool isMixin = false);
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int RegisterScriptFunction(asCScriptNode *node, asCScriptCode *file, asCObjectType *objType, bool isInterface, bool isGlobalFunction, asSNameSpace *ns, bool isExistingShared, bool isMixin, asCString &name, asCDataType &returnType, asCArray<asCString> ¶meterNames, asCArray<asCDataType> ¶meterTypes, asCArray<asETypeModifiers> &inOutFlags, asCArray<asCString *> &defaultArgs, asSFunctionTraits funcTraits);
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int RegisterVirtualProperty(asCScriptNode *node, asCScriptCode *file, asCObjectType *object = 0, bool isInterface = false, bool isGlobalFunction = false, asSNameSpace *ns = 0, bool isExistingShared = false);
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int RegisterImportedFunction(int funcID, asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterGlobalVar(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterClass(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterInterface(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterEnum(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterTypedef(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns);
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int RegisterFuncDef(asCScriptNode *node, asCScriptCode *file, asSNameSpace *ns, asCObjectType *parent);
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asCScriptFunction *RegisterLambda(asCScriptNode *node, asCScriptCode *file, asCScriptFunction *funcDef, const asCString &name, asSNameSpace *ns);
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void CompleteFuncDef(sFuncDef *funcDef);
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void CompileInterfaces();
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void CompileClasses(asUINT originalNumTempl);
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void DetermineTypeRelations();
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void GetParsedFunctionDetails(asCScriptNode *node, asCScriptCode *file, asCObjectType *objType, asCString &name, asCDataType &returnType, asCArray<asCString> ¶meterNames, asCArray<asCDataType> ¶meterTypes, asCArray<asETypeModifiers> &inOutFlags, asCArray<asCString *> &defaultArgs, asSFunctionTraits &traits, asSNameSpace *implicitNamespace);
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bool DoesMethodExist(asCObjectType *objType, int methodId, asUINT *methodIndex = 0);
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void AddDefaultConstructor(asCObjectType *objType, asCScriptCode *file);
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asCObjectProperty *AddPropertyToClass(sClassDeclaration *c, const asCString &name, const asCDataType &type, bool isPrivate, bool isProtected, bool isInherited, asCScriptCode *file = 0, asCScriptNode *node = 0);
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int CreateVirtualFunction(asCScriptFunction *func, int idx);
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void ParseScripts();
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void RegisterTypesFromScript(asCScriptNode *node, asCScriptCode *script, asSNameSpace *ns);
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void RegisterNonTypesFromScript(asCScriptNode *node, asCScriptCode *script, asSNameSpace *ns);
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void CompileFunctions();
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void CompileGlobalVariables();
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int GetEnumValueFromType(asCEnumType *type, const char *name, asCDataType &outDt, asDWORD &outValue);
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int GetEnumValue(const char *name, asCDataType &outDt, asDWORD &outValue, asSNameSpace *ns);
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bool DoesTypeExist(const asCString &type);
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asCObjectProperty *GetObjectProperty(asCDataType &obj, const char *prop);
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asCScriptFunction *GetFunctionDescription(int funcId);
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void GetFunctionDescriptions(const char *name, asCArray<int> &funcs, asSNameSpace *ns);
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void GetObjectMethodDescriptions(const char *name, asCObjectType *objectType, asCArray<int> &methods, bool objIsConst, const asCString &scope = "", asCScriptNode *errNode = 0, asCScriptCode *script = 0);
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void EvaluateTemplateInstances(asUINT startIdx, bool keepSilent);
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void CleanupEnumValues();
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asCArray<asCScriptCode *> scripts;
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asCArray<sFunctionDescription *> functions;
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asCSymbolTable<sGlobalVariableDescription> globVariables;
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asCArray<sClassDeclaration *> classDeclarations;
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asCArray<sClassDeclaration *> interfaceDeclarations;
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asCArray<sClassDeclaration *> namedTypeDeclarations;
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asCArray<sFuncDef *> funcDefs;
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asCArray<sMixinClass *> mixinClasses;
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// For use with the DoesTypeExists() method
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bool hasCachedKnownTypes;
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asCMap<asCString, bool> knownTypes;
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#endif
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};
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END_AS_NAMESPACE
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#endif
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