问无效预处理令牌错误

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Middlc.h:23:1: error: pasting "*" and "ArgList" does not give a valid preprocessing token
Middlc.h:24:1: error: pasting "*" and "CandidateList" does not give a valid preprocessing token
Middlc.h:25:1: error: pasting "*" and "Decl" does not give a valid preprocessing token
Middlc.h:26:1: error: pasting "*" and "DeclList" does not give a valid preprocessing token
Middlc.h:27:1: error: pasting "*" and "ExcList" does not give a valid preprocessing token
Middlc.h:28:1: error: pasting "*" and "Field" does not give a valid preprocessing token
Middlc.h:29:1: error: pasting "*" and "FieldList" does not give a valid preprocessing token
Middlc.h:30:1: error: pasting "*" and "Identifier" does not give a valid preprocessing token
Middlc.h:31:1: error: pasting "*" and "IdentifierList" does not give a valid preprocessing token
Middlc.h:32:1: error: pasting "*" and "Interface" does not give a valid preprocessing token
Middlc.h:33:1: error: pasting "*" and "InterfaceList" does not give a valid preprocessing token
Middlc.h:34:1: error: pasting "*" and "Spec" does not give a valid preprocessing token
Middlc.h:35:1: error: pasting "*" and "SymbolTable" does not give a valid preprocessing token
Middlc.h:36:1: error: pasting "*" and "ScopedName" does not give a valid preprocessing token
Middlc.h:37:1: error: pasting "*" and "Type" does not give a valid preprocessing token
Middlc.h:38:1: error: pasting "*" and "TypeList" does not give a valid preprocessing token
Middlc.h:39:1: error: pasting "*" and "FileStack" does not give a valid preprocessing token

#ifndef _Middlc_h_
#define _Middlc_h_

/*
 * Main header file for Middlc.
 */

#define PY(x) printf x 

#define new(x) ((x##_t)malloc(sizeof(struct _##x##_t)))
#define TYPE_DECL(x) typedef struct _##x##_t *##x##_t

#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

typedef enum { False, True } bool_t;

#define MAX_STRING_LENGTH 1024

TYPE_DECL(ArgList);
TYPE_DECL(CandidateList);
TYPE_DECL(Decl);
TYPE_DECL(DeclList);
TYPE_DECL(ExcList);
TYPE_DECL(Field);
TYPE_DECL(FieldList);
TYPE_DECL(Identifier);
TYPE_DECL(IdentifierList);
TYPE_DECL(Interface);
TYPE_DECL(InterfaceList);
TYPE_DECL(Spec);
TYPE_DECL(SymbolTable);
TYPE_DECL(ScopedName);
TYPE_DECL(Type);
TYPE_DECL(TypeList);
TYPE_DECL(FileStack);

#include "FileStack.h"
#include "SymbolTable.h"

#include "Modes.h"
#include "Decls.h"
#include "Types.h"
#include "Args.h"
#include "Candidates.h"
#include "Exceptions.h"
#include "Fields.h"
#include "Identifiers.h"
#include "Interfaces.h"
#include "Specs.h"
#include "ScopedNames.h"
#include "Parser.h"

#include "Globals.h"
#include "Errors.h"
#endif /* _Middlc_h_ */