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126 lines
5.1 KiB
126 lines
5.1 KiB
/************************************************************************/
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/* */
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/* RCPP - Resource Compiler Pre-Processor for NT system */
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/* */
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/* P0DEFS.H - Defintions for PreProcessor parsing code */
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/* */
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/* 06-Dec-90 w-BrianM Update for NT from PM SDK RCPP */
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/* */
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/************************************************************************/
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struct s_defn {
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pdefn_t defn_next; /* pointer to next ident */
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PWCHAR defn_ident; /* pointer to name */
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PWCHAR defn_text; /* definition substitution string */
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char defn_nformals; /*number of formal arguments - can be <0*/
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char defn_expanding; /* are we already expanding this one? */
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};
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#define DEFN_IDENT(P) ((P)->defn_ident)
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#define DEFN_NAME(P) (DEFN_IDENT(P))
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#define DEFN_NEXT(P) ((P)->defn_next)
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#define DEFN_TEXT(P) ((P)->defn_text)
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#define DEFN_NFORMALS(P) ((P)->defn_nformals)
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#define DEFN_EXPANDING(P) ((P)->defn_expanding)
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#define FILE_EOS 0x01L
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#define ACTUAL_EOS 0x02L
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#define DEFINITION_EOS 0x04L
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#define RESCAN_EOS 0x08L
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#define BACKSLASH_EOS 0x10L
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#define ANY_EOS ( FILE_EOS | ACTUAL_EOS | DEFINITION_EOS \
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| RESCAN_EOS | BACKSLASH_EOS )
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/*
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** arbitrarily chosen characters that get special treatment when found
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** after EOS in handle_eos()
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*/
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#define EOS_ACTUAL L'A'
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#define EOS_DEFINITION L'D'
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#define EOS_RESCAN L'R'
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#define EOS_PAD L'P'
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#define FROM_COMMAND -2
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#define PRE_DEFINED(P) (DEFN_NFORMALS(P) < FROM_COMMAND)
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typedef struct s_expstr {
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ptext_t exp_string; /* ptr to next character in stream aft macro */
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WCHAR *exp_actuals; /* ptr to start of actuals linked list */
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ptext_t exp_text; /* ptr to expanded text for this macro */
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pdefn_t exp_macro; /* ptr to macro defn */
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UCHAR exp_nactuals; /* number of actuals */
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UCHAR exp_nactsexpanded;/* number of expanded actuals for handle_eos*/
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} expansion_t;
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/*
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** note that CURRENT_STRING usually points into an area in the macro
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** expansion buffer, but the first item used (Macro_depth equals 1) points
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** to text read from a file. In some versions, the heap is reshuffled
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** and this pointer must be updated for the first item.
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*/
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#define CURRENT_STRING Macro_expansion[Macro_depth].exp_string
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#define CURRENT_ACTUALS Macro_expansion[Macro_depth].exp_actuals
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#define CURRENT_TEXT Macro_expansion[Macro_depth].exp_text
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#define CURRENT_MACRO Macro_expansion[Macro_depth].exp_macro
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#define CURRENT_NACTUALS Macro_expansion[Macro_depth].exp_nactuals
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#define CURRENT_NACTSEXPANDED Macro_expansion[Macro_depth].exp_nactsexpanded
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/*
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** finds address after last element in an array. Used to check for
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** buffer overflows.
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*/
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#define LIMIT(a) &(a)[sizeof(a) / sizeof(*a)]
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#define IS_CHAR(c,uc) (towupper(c) == (uc))
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#define IS_B(c) IS_CHAR(c, L'B')
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#define IS_D(c) IS_CHAR(c, L'D')
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#define IS_E(c) IS_CHAR(c, L'E')
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#define IS_F(c) IS_CHAR(c, L'F')
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#define IS_H(c) IS_CHAR(c, L'H')
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#define IS_EL(c) IS_CHAR(c, L'L')
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#define IS_O(c) IS_CHAR(c, L'O')
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#define IS_Q(c) IS_CHAR(c, L'Q')
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#define IS_U(c) IS_CHAR(c, L'U')
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#define IS_X(c) IS_CHAR(c, L'X')
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#define IS_DOT(c) (c == L'.')
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#define IS_SIGN(c) ((c == L'+') || (c ==L'-'))
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#define P0_IF 0
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#define P0_ELIF 1
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#define P0_ELSE 2
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#define P0_ENDIF 3
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#define P0_IFDEF 4
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#define P0_IFNDEF 5
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#define P0_DEFINE 6
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#define P0_INCLUDE 7
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#define P0_PRAGMA 8
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#define P0_UNDEF 9
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#define P0_LINE 10
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#define P0_NOTOKEN 11
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#define P0_ERROR 12
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#define P0_IDENT 13
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#define HLN_NAME(s) ((s).hln_name)
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#define HLN_HASH(s) ((s).hln_hash)
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#define HLN_LENGTH(s) ((s).hln_length)
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#define HLN_IDENT_HASH(p) (HLN_HASH(*(p)))
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#define HLN_IDENT_LENGTH(p) (HLN_LENGTH(*(p)))
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#define HLN_IDENTP_NAME(p) (HLN_NAME(*(p)))
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#define HLN_TO_NAME(S) ((PWCHAR)pstrndup(HLN_IDENTP_NAME(S),HLN_IDENT_LENGTH(S)))
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#define HASH_MASK 0x5f
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#define LIMIT_ID_LENGTH 31
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#define LIMIT_NESTED_INCLUDES 1024
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#define LIMIT_MACRO_DEPTH 64
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#define LIMIT_STRING_LENGTH 2043
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#define LEVEL_0 0xffL
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#define MUST_OPEN 1
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#define MAY_OPEN 0
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/*** The following are defined to use on the Token Table ***/
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#define TS_STR(idx) (Tokstrings[idx-L_NOTOKEN].k_text)
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#define TS_VALUE(idx) (Tokstrings[idx-L_NOTOKEN].k_token)
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