2014-04-28 04:45:14 +02:00
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/*
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** C declaration parser.
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2019-09-15 00:33:59 +02:00
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** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
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2014-04-28 04:45:14 +02:00
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*/
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#ifndef _LJ_CPARSE_H
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#define _LJ_CPARSE_H
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#include "lj_obj.h"
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#include "lj_ctype.h"
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#if LJ_HASFFI
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/* C parser limits. */
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#define CPARSE_MAX_BUF 32768 /* Max. token buffer size. */
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#define CPARSE_MAX_DECLSTACK 100 /* Max. declaration stack depth. */
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#define CPARSE_MAX_DECLDEPTH 20 /* Max. recursive declaration depth. */
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#define CPARSE_MAX_PACKSTACK 7 /* Max. pack pragma stack depth. */
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/* Flags for C parser mode. */
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#define CPARSE_MODE_MULTI 1 /* Process multiple declarations. */
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#define CPARSE_MODE_ABSTRACT 2 /* Accept abstract declarators. */
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#define CPARSE_MODE_DIRECT 4 /* Accept direct declarators. */
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#define CPARSE_MODE_FIELD 8 /* Accept field width in bits, too. */
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#define CPARSE_MODE_NOIMPLICIT 16 /* Reject implicit declarations. */
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#define CPARSE_MODE_SKIP 32 /* Skip definitions, ignore errors. */
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typedef int CPChar; /* C parser character. Unsigned ext. from char. */
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typedef int CPToken; /* C parser token. */
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/* C parser internal value representation. */
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typedef struct CPValue {
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union {
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int32_t i32; /* Value for CTID_INT32. */
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uint32_t u32; /* Value for CTID_UINT32. */
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};
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CTypeID id; /* C Type ID of the value. */
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} CPValue;
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/* C parser state. */
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typedef struct CPState {
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CPChar c; /* Current character. */
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CPToken tok; /* Current token. */
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CPValue val; /* Token value. */
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GCstr *str; /* Interned string of identifier/keyword. */
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CType *ct; /* C type table entry. */
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const char *p; /* Current position in input buffer. */
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SBuf sb; /* String buffer for tokens. */
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lua_State *L; /* Lua state. */
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CTState *cts; /* C type state. */
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TValue *param; /* C type parameters. */
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const char *srcname; /* Current source name. */
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BCLine linenumber; /* Input line counter. */
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int depth; /* Recursive declaration depth. */
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uint32_t tmask; /* Type mask for next identifier. */
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uint32_t mode; /* C parser mode. */
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uint8_t packstack[CPARSE_MAX_PACKSTACK]; /* Stack for pack pragmas. */
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uint8_t curpack; /* Current position in pack pragma stack. */
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} CPState;
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LJ_FUNC int lj_cparse(CPState *cp);
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#endif
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#endif
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