mirror of https://gerrit.osmocom.org/asn1c
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
#ifndef _ASN1_COMPILED_OUTPUT_H_
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#define _ASN1_COMPILED_OUTPUT_H_
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/*
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* An elementary chunk of target language text.
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*/
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typedef struct out_chunk {
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char *buf;
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int len;
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TQ_ENTRY(struct out_chunk) next;
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} out_chunk_t;
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typedef struct compiler_streams {
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enum {
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OT_IGNORE = -1,
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OT_ASSERT = 0,
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OT_INCLUDES, /* #include files */
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OT_DEPS, /* Dependencies (other than #includes) */
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OT_TYPE_DECLS, /* Type declarations */
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OT_FUNC_DECLS, /* Function declarations */
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OT_STAT_DEFS, /* Static definitions */
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OT_CODE, /* Some code */
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OT_MAX
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} target;
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TQ_HEAD(out_chunk_t) targets[OT_MAX];
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} compiler_streams_t;
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static char *_compiler_stream2str[] __attribute__ ((unused))
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= { "ASSERT", "INCLUDES", "DEPS", "TYPE-DECLS", "FUNC-DECLS", "STAT-DEFS", "CODE" };
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int asn1c_compiled_output(arg_t *arg, const char *fmt, ...);
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/*****************************************************************
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* Useful macros for invoking asn1c_compiled_output() and friends.
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*/
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/* Redirect output to a different stream. */
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#define REDIR(foo) do { arg->target->target = foo; } while(0)
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#define INDENT(val) arg->indent_level += (val)
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#define INDENTED(code) do { \
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INDENT(+1); \
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do { code; } while(0); \
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INDENT(-1); \
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} while(0)
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#define FLAT(code) do { \
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int _il = arg->indent_level; \
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arg->indent_level = 0; \
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do { code; } while(0); \
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arg->indent_level = _il; \
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} while(0)
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#define EMBED(ev) do { \
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int saved_target = arg->target->target; \
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REDIR(OT_TYPE_DECLS); \
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arg->embed++; \
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INDENTED(arg_t _tmp = *arg; \
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_tmp.expr = ev; \
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_tmp.default_cb(&_tmp); \
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); \
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arg->embed--; \
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assert(arg->target->target == OT_TYPE_DECLS); \
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REDIR(saved_target); \
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} while(0)
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/* Output a piece of text into a default stream */
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#define OUT(fmt, args...) asn1c_compiled_output(arg, fmt, ##args)
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#define OUT_NOINDENT(fmt, args...) do { \
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int _saved_indent = arg->indent_level; \
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arg->indent_level = 0; \
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OUT(fmt, ##args); \
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arg->indent_level = _saved_indent; \
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} while(0)
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/* Generate #include line */
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#define GEN_INCLUDE(filename) do { \
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int saved_target = arg->target->target; \
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REDIR(OT_INCLUDES); \
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OUT_NOINDENT("#include <%s.h>\n", filename); \
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REDIR(saved_target); \
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} while(0)
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/* Generate ASN.1 type declaration */
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#define GEN_DECLARE(expr) do { \
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int saved_target = arg->target->target; \
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REDIR(OT_DEPS); \
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OUT_NOINDENT("extern asn1_TYPE_descriptor_t " \
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"asn1_DEF_%s;\n", \
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MKID(expr->Identifier)); \
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REDIR(saved_target); \
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} while(0)
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#endif /* _ASN1_COMPILED_OUTPUT_H_ */
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