diff options
Diffstat (limited to 'src/tools/vppapigen')
| -rw-r--r-- | src/tools/vppapigen/vppapigen_c.py | 57 |
1 files changed, 30 insertions, 27 deletions
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py index 1886c98d6be..e7045db6797 100644 --- a/src/tools/vppapigen/vppapigen_c.py +++ b/src/tools/vppapigen/vppapigen_c.py @@ -313,6 +313,7 @@ class FromJSON(): write('#define included_{}_api_fromjson_h\n'.format(self.module)) write('#include <vppinfra/cJSON.h>\n\n') write('#include <vat2/jsonconvert.h>\n\n') + write('#pragma GCC diagnostic ignored "-Wunused-label"\n') def is_base_type(self, t): '''Check if a type is one of the VPP API base types''' @@ -331,7 +332,7 @@ class FromJSON(): '''Convert JSON string to vl_api_string_t''' write = self.stream.write - msgvar = "a" if toplevel else "mp" + msgvar = "a" if toplevel else "*mp" msgsize = "l" if toplevel else "*len" if o.modern_vla: @@ -339,6 +340,7 @@ class FromJSON(): write(' size_t plen = strlen(p);\n') write(' {msgvar} = realloc({msgvar}, {msgsize} + plen);\n' .format(msgvar=msgvar, msgsize=msgsize)) + write(' if ({msgvar} == 0) goto error;\n'.format(msgvar=msgvar)) write(' vl_api_c_string_to_api_string(p, (void *){msgvar} + ' '{msgsize} - sizeof(vl_api_string_t));\n' .format(msgvar=msgvar, msgsize=msgsize)) @@ -351,25 +353,21 @@ class FromJSON(): def print_field(self, o, toplevel=False): '''Called for every field in a typedef or define.''' write = self.stream.write - write(' // start field {}\n'.format(o.fieldname)) if o.fieldname in self.noprint_fields: return is_bt = self.is_base_type(o.fieldtype) t = 'vl_api_{}'.format(o.fieldtype) if is_bt else o.fieldtype - msgvar = "a" if toplevel else "mp" + msgvar = "(void **)&a" if toplevel else "mp" msgsize = "&l" if toplevel else "len" if is_bt: write(' vl_api_{t}_fromjson(item, &a->{n});\n' .format(t=o.fieldtype, n=o.fieldname)) else: - write(' {msgvar} = {t}_fromjson({msgvar}, ' - '{msgsize}, item, &a->{n});\n' + write(' if ({t}_fromjson({msgvar}, ' + '{msgsize}, item, &a->{n}) < 0) goto error;\n' .format(t=t, n=o.fieldname, msgvar=msgvar, msgsize=msgsize)) - write(' if (!{msgvar}) {{ free(a); return 0;}} \n'.format(msgvar=msgvar)) - - write(' // end field {}\n'.format(o.fieldname)) _dispatch['Field'] = print_field @@ -395,7 +393,7 @@ class FromJSON(): cJSON *array = cJSON_GetObjectItem(o, "{n}"); int size = cJSON_GetArraySize(array); {lfield} = size; - {msgvar} = realloc({msgvar}, {msgsize} + sizeof({t}) * size); + *{msgvar} = realloc({msgvar}, {msgsize} + sizeof({t}) * size); {t} *d = (void *){msgvar} + {msgsize}; {msgsize} += sizeof({t}) * size; for (i = 0; i < size; i++) {{ @@ -410,7 +408,7 @@ class FromJSON(): return lfield = 'a->' + o.lengthfield if o.lengthfield else o.length - msgvar = "a" if toplevel else "mp" + msgvar = "(void **)&a" if toplevel else "mp" msgsize = "l" if toplevel else "*len" if o.fieldtype == 'u8': @@ -420,7 +418,7 @@ class FromJSON(): write(' if (!s) return 0;\n') write(' {} = vec_len(s);\n'.format(lfield)) - write(' {msgvar} = realloc({msgvar}, {msgsize} + ' + write(' *{msgvar} = realloc({msgvar}, {msgsize} + ' 'vec_len(s));\n'.format(msgvar=msgvar, msgsize=msgsize)) write(' memcpy((void *){msgvar} + {msgsize}, s, ' 'vec_len(s));\n'.format(msgvar=msgvar, msgsize=msgsize)) @@ -452,7 +450,7 @@ class FromJSON(): call = ('vl_api_{t}_fromjson(e, &a->{n}[i]);' .format(t=t, n=o.fieldname)) else: - call = ('a = {}_fromjson({}, len, e, &a->{}[i]);' + call = ('if ({}_fromjson({}, len, e, &a->{}[i]) < 0) goto error;' .format(t, msgvar, o.fieldname)) write(forloop.format(lfield=lfield, t=t, @@ -466,14 +464,15 @@ class FromJSON(): def print_enum(self, o): '''Convert to JSON enum(string) to VPP API enum (int)''' write = self.stream.write - write('static inline void *vl_api_{n}_t_fromjson ' - '(void *mp, int *len, cJSON *o, vl_api_{n}_t *a) {{\n' + write('static inline int vl_api_{n}_t_fromjson' + '(void **mp, int *len, cJSON *o, vl_api_{n}_t *a) {{\n' .format(n=o.name)) write(' char *p = cJSON_GetStringValue(o);\n') for b in o.block: - write(' if (strcmp(p, "{}") == 0) {{*a = {}; return mp;}}\n' + write(' if (strcmp(p, "{}") == 0) {{*a = {}; return 0;}}\n' .format(b[0], b[1])) - write(' return 0;\n') + write(' *a = 0;\n') + write(' return -1;\n') write('}\n') _dispatch['Enum'] = print_enum @@ -503,7 +502,7 @@ class FromJSON(): '''Convert from JSON object to VPP API binary representation''' write = self.stream.write - write('static inline void *vl_api_{name}_t_fromjson (void *mp, ' + write('static inline int vl_api_{name}_t_fromjson (void **mp, ' 'int *len, cJSON *o, vl_api_{name}_t *a) {{\n' .format(name=o.name)) write(' cJSON *item __attribute__ ((unused));\n') @@ -511,20 +510,22 @@ class FromJSON(): for t in o.block: if t.type == 'Field' and t.is_lengthfield: continue - write(' item = cJSON_GetObjectItem(o, "{}");\n' + write('\n item = cJSON_GetObjectItem(o, "{}");\n' .format(t.fieldname)) - write(' if (!item) return 0;\n') + write(' if (!item) goto error;\n') self._dispatch[t.type](self, t) - write(' return mp;\n') + write('\n return 0;\n') + write('\n error:\n') + write(' return -1;\n') write('}\n') def print_union(self, o): '''Convert JSON object to VPP API binary union''' write = self.stream.write - write('static inline void *vl_api_{name}_t_fromjson (void *mp, ' + write('static inline int vl_api_{name}_t_fromjson (void **mp, ' 'int *len, cJSON *o, vl_api_{name}_t *a) {{\n' .format(name=o.name)) write(' cJSON *item __attribute__ ((unused));\n') @@ -537,7 +538,9 @@ class FromJSON(): write(' if (item) {\n') self._dispatch[t.type](self, t) write(' };\n') - write(' return mp;\n') + write('\n return 0;\n') + write('\n error:\n') + write(' return -1;\n') write('}\n') def print_define(self, o): @@ -549,24 +552,24 @@ class FromJSON(): write(' u8 *s __attribute__ ((unused));\n') write(' int l = sizeof(vl_api_{}_t);\n'.format(o.name)) write(' vl_api_{}_t *a = malloc(l);\n'.format(o.name)) + write('\n') for t in o.block: if t.fieldname in self.noprint_fields: continue if t.type == 'Field' and t.is_lengthfield: continue - write(' // processing {}: {} {}\n' - .format(o.name, t.fieldtype, t.fieldname)) - write(' item = cJSON_GetObjectItem(o, "{}");\n' .format(t.fieldname)) - write(' if (!item) { free(a); return 0; }\n') + write(' if (!item) goto error;\n') self._dispatch[t.type](self, t, toplevel=True) write('\n') - write('\n') write(' *len = l;\n') write(' return a;\n') + write('\n error:\n') + write(' free(a);\n') + write(' return 0;\n') write('}\n') def print_using(self, o): |