pdwtags: add header dump
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parent
83b7b5bf50
commit
b1e28b1f5e
285
pdwtags.c
285
pdwtags.c
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@ -53,6 +53,16 @@ static bool strcaseendswith(const char *s1, const char *s2)
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return !strcasecmp(s1 + len1 - len2, s2);
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}
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static int strcasestartswith( const char *s1, const char *s2 )
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{
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int len2 = strlen(s2);
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if( !strncasecmp(s1, s2, len2))
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return len2;
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return 0;
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}
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static bool filename_looks_like_header(const char *filename)
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{
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return strcaseendswith(filename, ".h");
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@ -62,6 +72,21 @@ static header_info_t *find_or_create_header(const char *filename)
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{
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header_info_t *header;
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if( strcasestartswith( filename, "../" ))
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return NULL;
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if( strcasestartswith( filename, "/usr/" ))
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return NULL;
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if( strcasestartswith( filename, "/fs/root/build/host/glibc-2.29/" ))
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return NULL;
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filename += strcasestartswith( filename, "/fs/root/build/x86_64/lccrt/" );
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filename += strcasestartswith( filename, "fs/root/build/x86_64/lccrt/" );
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filename += strcasestartswith( filename, "./" );
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filename += strcasestartswith( filename, ".obj/" );
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list_for_each_entry(header, &headers, node)
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{
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if( !strcmp( header->filename, filename ))
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@ -85,8 +110,12 @@ static bool find_or_insert_line(header_info_t *header, int linenum, struct tag *
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list_for_each_entry_reverse(line, &header->lines, node)
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{
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if( line->linenum == linenum && tag__orig_id(line->tag, line->cu) == tag__orig_id(tag, cu))
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if( line->linenum == linenum ) // && tag__orig_id(line->tag, line->cu) == tag__orig_id(tag, cu))
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{
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line->tag = tag;
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line->cu = cu;
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return false;
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}
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if( line->linenum <= linenum )
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break;
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@ -101,27 +130,28 @@ static bool find_or_insert_line(header_info_t *header, int linenum, struct tag *
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return true;
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}
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static void mkdir_p(const char *path)
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static void add_header_tag(const char *file, struct tag *tag, struct cu *cu, FILE *fp)
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{
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char orig_dir[2048];
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getcwd(orig_dir, sizeof( orig_dir ));
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//static const char *prev = NULL;
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for(const char *path2 = path; (path2 = strchr(path, '/')); path = path2 + 1)
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header_info_t *header;
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header = find_or_create_header(file);
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if( header )
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{
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char dir[128];
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strncpy2(dir, path, path2 - path);
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printf("Creating dir: %s\n", dir);
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find_or_insert_line(header, tag__decl_line(tag, cu), tag, cu);
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mkdir(dir, 0777);
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chdir(dir);
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#if 0
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if( prev != header->filename )
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{
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fprintf( fp, "#include \"%s\"\n", header->filename);
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}
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prev = header->filename;
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#endif
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}
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chdir(orig_dir);
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}
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static void emit_tag(struct tag *tag, uint32_t tag_id, struct cu *cu, FILE *fp)
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static void emit_tag(struct tag *tag, struct cu *cu, FILE *fp)
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{
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if (tag__is_struct(tag))
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class__find_holes(tag__class(tag));
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@ -131,15 +161,154 @@ static void emit_tag(struct tag *tag, uint32_t tag_id, struct cu *cu, FILE *fp)
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else
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tag__fprintf(tag, cu, &conf, fp);
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fprintf(fp, "/* %d, size: %zd */\n\n", tag_id, tag__size(tag, cu));
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fprintf(fp, " /* size: %zd */\n\n", tag__size(tag, cu));
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}
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static void print_types(struct cu *cu, struct tag *tag, bool header, FILE *fp)
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{
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const char *file;
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const char *name;
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switch(tag->tag)
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{
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case DW_TAG_base_type:
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case DW_TAG_const_type:
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case DW_TAG_array_type:
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case DW_TAG_pointer_type:
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case DW_TAG_reference_type:
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case DW_TAG_subroutine_type:
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case DW_TAG_unspecified_type:
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case DW_TAG_rvalue_reference_type:
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case DW_TAG_restrict_type:
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case DW_TAG_volatile_type:
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return;
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}
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name = type__name(tag__type(tag));
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// probably included
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if( name == NULL )
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return;
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if( name[0] == '\0' )
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return;
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file = header ? 0 : tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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add_header_tag(file, tag, cu, fp);
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}
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else
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{
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// probably a forward declaration, skip for now
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if( tag__size(tag, cu) == 0 )
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return;
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emit_tag(tag, cu, fp);
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}
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}
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static void print_variables(struct cu *cu, struct tag *tag, bool header, FILE *fp)
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{
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const char *file = header ? 0 : tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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add_header_tag(file, tag, cu, fp);
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}
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else
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{
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struct variable *variable = tag__variable(tag);
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if( variable->scope == VSCOPE_LOCAL )
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return;
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tag__fprintf(tag, cu, NULL, fp);
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fprintf(fp, " /* size: %zd scope: %s */\n", tag__size(tag, cu), variable__scope_str(variable));
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}
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}
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static void print_functions(struct cu *cu, struct function *function, bool header, FILE *fp)
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{
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const char *file;
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struct tag *tag = function__tag(function);
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file = header ? 0 : tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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add_header_tag(file, tag, cu, fp);
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}
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else
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{
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tag__fprintf(tag, cu, &conf, fp);
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fputs("\n", fp);
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lexblock__fprintf(&function->lexblock, cu, function, 0,
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&conf, fp);
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fputs("\n\n", fp);
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}
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}
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#define NO_WRITE_FILES 0
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static void mkdir_p(const char *path)
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{
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#if NO_WRITE_FILES
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return;
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#else
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char orig_dir[2048];
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getcwd(orig_dir, sizeof( orig_dir ));
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for(const char *path2 = path; (path2 = strchr(path, '/')); path = path2 + 1)
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{
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char dir[128];
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strncpy2(dir, path, path2 - path);
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mkdir(dir, 0777);
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chdir(dir);
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}
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chdir(orig_dir);
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#endif
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}
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static void headers_print( void )
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{
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header_info_t *header;
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list_for_each_entry(header, &headers, node)
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{
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printf( "HEADER: %s\n", header->filename );
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mkdir_p( header->filename );
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FILE *fp = fopen( header->filename, "w+" );
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header_line_t *line;
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list_for_each_entry(line, &header->lines, node)
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{
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if( tag__is_type(line->tag))
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{
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print_types(line->cu, line->tag, true, fp);
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}
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else if( tag__is_variable(line->tag))
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{
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print_variables(line->cu, line->tag, true, fp );
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}
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else if( tag__is_function(line->tag))
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{
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print_functions(line->cu, tag__function(line->tag), true, fp );
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}
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}
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fclose(fp);
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}
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}
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static int cu__emit_tags(struct cu *cu)
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{
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uint32_t i;
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struct tag *tag;
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const char *file;
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header_info_t *header;
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struct function *function;
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FILE *fp;
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if(!strncmp(cu->name, "../", 3))
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@ -149,84 +318,32 @@ static int cu__emit_tags(struct cu *cu)
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mkdir_p(cu->name);
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printf( "SOURCE: %s\n", cu->name );
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#if NO_WRITE_FILES
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fp = stdout;
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#else
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fp = fopen(cu->name, "w+");
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#endif
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fputs("/****************** Types: ******************/\n", fp);
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cu__for_each_type(cu, i, tag)
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{
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switch(tag->tag)
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{
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case DW_TAG_base_type:
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case DW_TAG_const_type:
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case DW_TAG_array_type:
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case DW_TAG_pointer_type:
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case DW_TAG_reference_type:
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case DW_TAG_subroutine_type:
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case DW_TAG_unspecified_type:
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case DW_TAG_rvalue_reference_type:
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continue;
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}
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file = tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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header = find_or_create_header(file);
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find_or_insert_line(header, tag__decl_line(tag, cu), tag, cu);
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}
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else
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{
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// probably a forward declaration, skip for now
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if( tag__size(tag, cu) == 0 )
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continue;
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emit_tag(tag, i, cu, fp);
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}
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fputs("/****************** Types: ******************/\n", fp);
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cu__for_each_type(cu, i, tag) {
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print_types(cu, tag, false, fp);
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}
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fputs("\n/****************** Variables: ******************/\n", fp);
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cu__for_each_variable(cu, i, tag) {
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file = tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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header = find_or_create_header(file);
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find_or_insert_line(header, tag__decl_line(tag, cu), tag, cu);
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}
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else
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{
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struct variable *variable = tag__variable(tag);
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if( variable->scope == VSCOPE_LOCAL )
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continue;
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tag__fprintf(tag, cu, NULL, fp);
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fprintf(fp, " /* size: %zd scope: %s */\n", tag__size(tag, cu), variable__scope_str(variable));
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}
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print_variables(cu, tag, false, fp);
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}
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fputs("\n/****************** Functions: ******************/\n", fp);
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conf.no_semicolon = true;
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struct function *function;
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cu__for_each_function(cu, i, function) {
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struct tag *tag = function__tag(function);
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file = tag__decl_file(tag, cu);
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if( file && filename_looks_like_header( file ))
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{
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header = find_or_create_header(file);
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find_or_insert_line(header, tag__decl_line(tag, cu), tag, cu);
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}
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else
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{
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tag__fprintf(tag, cu, &conf, fp);
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fputs("\n", fp);
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lexblock__fprintf(&function->lexblock, cu, function, 0,
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&conf, fp);
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fputs("\n\n", fp);
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}
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print_functions(cu, function, false, fp);
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}
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conf.no_semicolon = false;
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fclose(fp);
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return 0;
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}
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@ -235,7 +352,8 @@ static enum load_steal_kind pdwtags_stealer(struct cu *cu,
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void *thr_data __maybe_unused)
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{
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cu__emit_tags(cu);
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return LSK__DELETE;
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return LSK__KEEPIT;
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}
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static struct conf_load pdwtags_conf_load = {
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@ -306,9 +424,10 @@ int main(int argc, char *argv[])
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goto out;
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}
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err = cus__load_files(cus, &pdwtags_conf_load, argv + remaining);
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err = cus__load_file(cus, &pdwtags_conf_load, argv[remaining]);
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if (err == 0) {
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rc = EXIT_SUCCESS;
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headers_print();
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goto out;
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}
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