mirror of https://gerrit.osmocom.org/asn1c
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
#ifndef _ASN1_COMPILED_OUTPUT_H_
|
||
#define _ASN1_COMPILED_OUTPUT_H_
|
||
|
||
/*
|
||
* An elementary chunk of target language text.
|
||
*/
|
||
typedef struct out_chunk {
|
||
char *buf;
|
||
int len;
|
||
|
||
TQ_ENTRY(struct out_chunk) next;
|
||
} out_chunk_t;
|
||
|
||
typedef struct compiler_streams {
|
||
enum {
|
||
OT_IGNORE, /* Ignore this output */
|
||
OT_INCLUDES, /* #include files */
|
||
OT_DEPS, /* Dependencies (other than #includes) */
|
||
OT_FWD_DECLS, /* Forward declarations */
|
||
OT_TYPE_DECLS, /* Type declarations */
|
||
OT_FUNC_DECLS, /* Function declarations */
|
||
OT_POST_INCLUDE,/* #include after type definition */
|
||
OT_CTABLES, /* Constraint tables */
|
||
OT_CODE, /* Some code */
|
||
OT_CTDEFS, /* Constraint definitions */
|
||
OT_STAT_DEFS, /* Static definitions */
|
||
OT_MAX
|
||
} target;
|
||
|
||
struct compiler_stream_destination_s {
|
||
TQ_HEAD(out_chunk_t) chunks;
|
||
int indent_level;
|
||
int indented;
|
||
} destination[OT_MAX];
|
||
} compiler_streams_t;
|
||
|
||
static char *_compiler_stream2str[] __attribute__ ((unused))
|
||
= { "IGNORE", "INCLUDES", "DEPS", "FWD-DECLS", "TYPE-DECLS", "FUNC-DECLS", "POST-INCLUDE", "CTABLES", "CODE", "CTDEFS", "STAT-DEFS" };
|
||
|
||
int asn1c_compiled_output(arg_t *arg, const char *fmt, ...);
|
||
|
||
|
||
/*****************************************************************
|
||
* Useful macros for invoking asn1c_compiled_output() and friends.
|
||
*/
|
||
|
||
/* Redirect output to a different stream. */
|
||
#define REDIR(foo) do { arg->target->target = foo; } while(0)
|
||
#define INDENT_LEVEL \
|
||
arg->target->destination[arg->target->target].indent_level
|
||
#define INDENT(val) INDENT_LEVEL += (val)
|
||
#define INDENTED(code) do { \
|
||
INDENT(+1); \
|
||
do { code; } while(0); \
|
||
INDENT(-1); \
|
||
} while(0)
|
||
|
||
#define EMBED(ev) do { \
|
||
int saved_target = arg->target->target; \
|
||
REDIR(OT_TYPE_DECLS); \
|
||
arg->embed++; \
|
||
INDENTED(arg_t _tmp = *arg; \
|
||
_tmp.expr = ev; \
|
||
_tmp.default_cb(&_tmp); \
|
||
); \
|
||
arg->embed--; \
|
||
if(ev->expr_type != A1TC_EXTENSIBLE) \
|
||
OUT(";\n"); \
|
||
assert(arg->target->target == OT_TYPE_DECLS); \
|
||
REDIR(saved_target); \
|
||
} while(0)
|
||
|
||
/* Output a piece of text into a default stream */
|
||
#define OUT(fmt, args...) asn1c_compiled_output(arg, fmt, ##args)
|
||
#define OUT_NOINDENT(fmt, args...) do { \
|
||
int _saved_indent = INDENT_LEVEL; \
|
||
INDENT_LEVEL = 0; \
|
||
OUT(fmt, ##args); \
|
||
INDENT_LEVEL = _saved_indent; \
|
||
} while(0)
|
||
#define OUT_DEBUG(fmt, args...) do { \
|
||
if(arg->flags & A1C_DEBUG) OUT(fmt, ##args); \
|
||
} while(0)
|
||
|
||
/* Generate #include line */
|
||
#define GEN_INCLUDE_STD(typename) GEN_INCLUDE("<" typename ".h>")
|
||
#define GEN_INCLUDE(filename) do { \
|
||
int saved_target = arg->target->target; \
|
||
if(!filename) break; \
|
||
REDIR(OT_INCLUDES); \
|
||
OUT_NOINDENT("#include %s\n", filename); \
|
||
REDIR(saved_target); \
|
||
} while(0)
|
||
#define GEN_POSTINCLUDE(filename) do { \
|
||
int saved_target = arg->target->target; \
|
||
if(!filename) break; \
|
||
REDIR(OT_POST_INCLUDE); \
|
||
OUT_NOINDENT("#include %s\n", filename); \
|
||
REDIR(saved_target); \
|
||
} while(0)
|
||
|
||
/* Generate ASN.1 type declaration */
|
||
#define GEN_DECLARE(expr) do { \
|
||
int saved_target = arg->target->target; \
|
||
REDIR(OT_FUNC_DECLS); \
|
||
OUT_NOINDENT("extern asn_TYPE_descriptor_t " \
|
||
"asn_DEF_%s;\n", MKID(expr)); \
|
||
REDIR(saved_target); \
|
||
} while(0)
|
||
|
||
/*
|
||
* Format LONG_MIN according to C90 rules.
|
||
*/
|
||
#define OINT(iv) do { \
|
||
if(iv == (-2147483647L - 1)) \
|
||
OUT("(-2147483647L - 1)"); \
|
||
else \
|
||
OUT("%" PRIdASN, iv); \
|
||
} while(0)
|
||
|
||
#define OINTS(iv) do { \
|
||
if(iv == (-2147483647L - 1)) \
|
||
OUT("(-2147483647L - 1)"); \
|
||
else \
|
||
OUT("% " PRIdASN, iv); \
|
||
} while(0)
|
||
|
||
#endif /* _ASN1_COMPILED_OUTPUT_H_ */
|