diff options
author | Damjan Marion <damarion@cisco.com> | 2016-12-19 23:05:39 +0100 |
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committer | Damjan Marion <damarion@cisco.com> | 2016-12-28 12:25:14 +0100 |
commit | 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch) | |
tree | 5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /src/tools/vppapigen/gram.y | |
parent | 696f1adec0df3b8f161862566dd9c86174302658 (diff) |
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/tools/vppapigen/gram.y')
-rw-r--r-- | src/tools/vppapigen/gram.y | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/tools/vppapigen/gram.y b/src/tools/vppapigen/gram.y new file mode 100644 index 00000000000..de26af8daa0 --- /dev/null +++ b/src/tools/vppapigen/gram.y @@ -0,0 +1,90 @@ +%{ +/* + * gram.y - message definition language + * + * Copyright (c) 2009 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +extern void yyerror (char *s); +extern int yylex (void); + +#define YYSTYPE void * + +void generate (YYSTYPE); + YYSTYPE add_slist(YYSTYPE, YYSTYPE); + YYSTYPE add_define(YYSTYPE, YYSTYPE); + YYSTYPE suppress_version(void); + YYSTYPE add_defbody(YYSTYPE, YYSTYPE); + YYSTYPE add_primtype(YYSTYPE, YYSTYPE, YYSTYPE); + YYSTYPE add_complex(YYSTYPE, YYSTYPE); + YYSTYPE add_union(YYSTYPE, YYSTYPE); + YYSTYPE add_scalar_vbl(YYSTYPE); + YYSTYPE add_vector_vbl(YYSTYPE, YYSTYPE); + YYSTYPE add_variable_length_vector_vbl(YYSTYPE, YYSTYPE); + YYSTYPE set_flags(YYSTYPE, YYSTYPE); +%} + +%token NAME RPAR LPAR SEMI LBRACK RBRACK NUMBER PRIMTYPE BARF +%token TPACKED DEFINE LCURLY RCURLY STRING UNION +%token HELPER_STRING COMMA +%token NOVERSION MANUAL_PRINT MANUAL_ENDIAN TYPEONLY DONT_TRACE + +%% + +pgm: slist {generate ($1);} + ; + +slist: slist stmt {$$ = add_slist ($1, $2);} + | stmt {$$ = $1;} + ; + +stmt: flist defn {$$ = set_flags($1, $2);} + | defn {$$ = $1;} + ; + +flist: flist flag {$$ = (YYSTYPE)(unsigned long long) + ((unsigned long long) $1 + | (unsigned long long) $2);} + | flag {$$ = $1;} + ; + +flag: + MANUAL_PRINT {$$ = $1;} + | MANUAL_ENDIAN {$$ = $1;} + | DONT_TRACE {$$ = $1;} + | TYPEONLY {$$ = $1;} + ; + +defn: DEFINE NAME LCURLY defbody RCURLY SEMI + {$$ = add_define($2, $4);} + + | NOVERSION SEMI + {$$ = suppress_version();} + ; + +defbody: defbody onedef {$$ = add_defbody($1, $2);} + | onedef {$$ = $1;} + ; + +onedef: PRIMTYPE vbl SEMI {$$ = add_primtype($1, $2, 0);} + | TPACKED PRIMTYPE vbl SEMI {$$ = add_primtype($1, $2, $3);} + | NAME vbl SEMI {$$ = add_complex($1, $2);} + | UNION NAME LCURLY defbody RCURLY SEMI + {$$ = add_union($2, $4);} + ; + +vbl: NAME {$$ = add_scalar_vbl($1);} + | NAME LBRACK NUMBER RBRACK {$$ = add_vector_vbl($1, $3);} + | NAME LBRACK NAME RBRACK {$$ = add_variable_length_vector_vbl($1, $3);} + ; |