static void DefineSymbol (const char* Def) /* Define a symbol from the command line */ { const char* P; long Val; StrBuf SymName = AUTO_STRBUF_INITIALIZER; /* The symbol must start with a character or underline */ if (!IsIdStart (Def [0])) { InvDef (Def); } P = Def; /* Copy the symbol, checking the rest */ while (IsIdChar (*P)) { SB_AppendChar (&SymName, *P++); } SB_Terminate (&SymName); /* Do we have a value given? */ if (*P != '=') { if (*P != '\0') { InvDef (Def); } Val = 0; } else { /* We have a value */ ++P; if (*P == '$') { ++P; if (sscanf (P, "%lx", &Val) != 1) { InvDef (Def); } } else { if (sscanf (P, "%li", &Val) != 1) { InvDef (Def); } } } /* Define the new symbol */ NewSymbol (SB_GetConstBuf (&SymName), Val); /* Release string memory */ SB_Done (&SymName); }
static void DefineSym (const char* Def) /* Define a symbol on the command line */ { const char* P = Def; /* The symbol must start with a character or underline */ if (Def [0] != '_' && !IsAlpha (Def [0])) { InvDef (Def); } /* Check the symbol name */ while (IsAlNum (*P) || *P == '_') { ++P; } /* Do we have a value given? */ if (*P != '=') { if (*P != '\0') { InvDef (Def); } /* No value given. Define the macro with the value 1 */ DefineNumericMacro (Def, 1); } else { /* We have a value, P points to the '=' character. Since the argument * is const, create a copy and replace the '=' in the copy by a zero * terminator. */ char* Q; unsigned Len = strlen (Def)+1; char* S = (char*) xmalloc (Len); memcpy (S, Def, Len); Q = S + (P - Def); *Q++ = '\0'; /* Define this as a macro */ DefineTextMacro (S, Q); /* Release the allocated memory */ xfree (S); } }
static void DefineSymbol (const char* Def) /* Define a symbol from the command line */ { const char* P; long Val; StrBuf SymName = AUTO_STRBUF_INITIALIZER; /* The symbol must start with a character or underline */ if (Def [0] != '_' && !IsAlpha (Def [0])) { InvDef (Def); } P = Def; /* Copy the symbol, checking the remainder */ while (IsAlNum (*P) || *P == '_') { SB_AppendChar (&SymName, *P++); } SB_Terminate (&SymName); /* Do we have a value given? */ if (*P != '=') { InvDef (Def); } else { /* We have a value */ ++P; if (*P == '$') { ++P; if (sscanf (P, "%lx", &Val) != 1) { InvDef (Def); } } else { if (sscanf (P, "%li", &Val) != 1) { InvDef (Def); } } } /* Define the new symbol */ CreateConstExport (GetStringId (SB_GetConstBuf (&SymName)), Val); }