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#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_INCLUDES, /* #include files */
OT_DEPS, /* Dependencies (other than #includes) */
OT_TYPE_DECLS, /* Type declarations */
OT_FUNC_DECLS, /* Function declarations */
OT_STAT_DEFS, /* Static definitions */
OT_CODE, /* Some code */
OT_MAX
} target;
TQ_HEAD(out_chunk_t) targets[OT_MAX];
} compiler_streams_t;
static char *_compiler_stream2str[] __attribute__ ((unused))
= { "INCLUDES", "DEPS", "TYPE-DECLS", "FUNC-DECLS", "STAT-DEFS", "CODE" };
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(val) arg->indent_level += (val)
#define INDENTED(code) do { \
INDENT(+1); \
do { code; } while(0); \
INDENT(-1); \
} while(0)
#define FLAT(code) do { \
int _il = arg->indent_level; \
arg->indent_level = 0; \
do { code; } while(0); \
arg->indent_level = _il; \
} 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--; \
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 = arg->indent_level; \
arg->indent_level = 0; \
OUT(fmt, ##args); \
arg->indent_level = _saved_indent; \
} while(0)
/* Generate #include line */
#define GEN_INCLUDE(filename) do { \
int saved_target = arg->target->target; \
REDIR(OT_INCLUDES); \
OUT_NOINDENT("#include <%s.h>\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_DEPS); \
OUT_NOINDENT("extern asn1_TYPE_descriptor_t " \
"asn1_DEF_%s;\n", \
MKID(expr->Identifier)); \
REDIR(saved_target); \
} while(0)
#endif /* _ASN1_COMPILED_OUTPUT_H_ */
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