1 /*****************************************************************************/
5 /* Preprocessor macro table for the cc65 C compiler */
9 /* (C) 2000-2004 Ullrich von Bassewitz */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
54 /* Structure describing a macro */
55 typedef struct Macro Macro;
57 Macro* Next; /* Next macro with same hash value */
58 int Expanding; /* Are we currently expanding this macro? */
59 int ArgCount; /* Number of parameters, -1 = no parens */
60 unsigned MaxArgs; /* Size of formal argument list */
61 Collection FormalArgs; /* Formal argument list (char*) */
62 StrBuf Replacement; /* Replacement text */
63 char Name[1]; /* Name, dynamically allocated */
68 /*****************************************************************************/
70 /*****************************************************************************/
74 Macro* NewMacro (const char* Name);
75 /* Allocate a macro structure with the given name. The structure is not
76 * inserted into the macro table.
79 void FreeMacro (Macro* M);
80 /* Delete a macro definition. The function will NOT remove the macro from the
81 * table, use UndefineMacro for that.
84 void DefineNumericMacro (const char* Name, long Val);
85 /* Define a macro for a numeric constant */
87 void DefineTextMacro (const char* Name, const char* Val);
88 /* Define a macro for a textual constant */
90 void InsertMacro (Macro* M);
91 /* Insert the given macro into the macro table. */
93 int UndefineMacro (const char* Name);
94 /* Search for the macro with the given name and remove it from the macro
95 * table if it exists. Return 1 if a macro was found and deleted, return
99 Macro* FindMacro (const char* Name);
100 /* Find a macro with the given name. Return the macro definition or NULL */
102 #if defined(HAVE_INLINE)
103 INLINE int IsMacro (const char* Name)
104 /* Return true if the given name is the name of a macro, return false otherwise */
106 return FindMacro (Name) != 0;
109 # define IsMacro(Name) (FindMacro (Name) != 0)
112 int FindMacroArg (Macro* M, const char* Arg);
113 /* Search for a formal macro argument. If found, return the index of the
114 * argument. If the argument was not found, return -1.
117 void AddMacroArg (Macro* M, const char* Arg);
118 /* Add a formal macro argument. */
120 int MacroCmp (const Macro* M1, const Macro* M2);
121 /* Compare two macros and return zero if both are identical. */
123 void PrintMacroStats (FILE* F);
124 /* Print macro statistics to the given text file. */
128 /* End of macrotab.h */