git.m6w6.name Git - m6w6/ext-psi/blob - src/parser_def.h

   1 /*******************************************************************************
   2  Copyright (c) 2017, Michael Wallner <mike@php.net>.
   3  All rights reserved.
   4
   5  Redistribution and use in source and binary forms, with or without
   6  modification, are permitted provided that the following conditions are met:
   7
   8      * Redistributions of source code must retain the above copyright notice,
   9        this list of conditions and the following disclaimer.
  10      * Redistributions in binary form must reproduce the above copyright
  11        notice, this list of conditions and the following disclaimer in the
  12        documentation and/or other materials provided with the distribution.
  13
  14  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  15  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  18  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  20  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  21  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  22  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24 *******************************************************************************/
  25
  26 #ifndef PSI_PARSER_INC
  27 #define PSI_PARSER_INC
  28
  29 #define CONCAT2(x,y) x##y
  30 #define CONCAT1(x,y) CONCAT2(x,y)
  31 #define COUNTED(x) CONCAT1(parse_ ##x## _, __LINE__)
  32
  33 #define TOKEN_PREFIX PSI_T
  34 #define TOKEN_STRUCT struct psi_token *
  35
  36 #ifdef GENERATE
  37 # define DEF(dn, dv) dn dv
  38 # define PASS(nt, rule) nt ::= rule.
  39 # define PARSE(nt, rule) nt ::= rule.
  40 # define PARSE_NAMED(nt, nt_name, rule) NAMED(nt, nt_name) ::= rule.
  41 # define PARSE_TYPED(nt, nt_name, rule) TYPED(nt, nt_name) ::= rule.
  42 # define TOKEN(t) t
  43 # define NAMED(t, name) t(name)
  44 # define TYPED(t, name) t(name)
  45 # define TOKEN_TYPE(token, type_) %type token {type_}
  46 # define TOKEN_DTOR(token, dtor) %destructor token {dtor}
  47 # define T(token) token
  48 # define TOKEN_CLASS(type, tokens) DEF(%token_class, type##_token tokens .)
  49 #else
  50 # ifndef TEST
  51 #  include "parser.h"
  52 #  include "plist.h"
  53 # endif
  54 # define DEF(dn, dv)
  55 # define PASS(nt, rule) \
  56         static void COUNTED(nt) (struct psi_parser *P) { \
  57                 (void) #rule; \
  58         }
  59 # define PARSE(nt, rule) \
  60         static void COUNTED(nt) (struct psi_parser *P rule)
  61 # define PARSE_NAMED(nt, nt_name, rule) \
  62         static void COUNTED(nt) (struct psi_parser *P NAMED(nt, nt_name) rule)
  63 # define PARSE_TYPED(nt, nt_name, rule) \
  64         static void COUNTED(nt) (struct psi_parser *P TYPED(nt, nt_name) rule)
  65 # define TOKEN(t)
  66 # define NAMED(t, name) , struct psi_token *name
  67 # define TYPED(t, name) , TOKEN_TYPE_NAME(t) name
  68 # define TOKEN_TYPE_NAME(token) token##_parse_t
  69 # define TOKEN_TYPE(token, type) typedef type TOKEN_TYPE_NAME(token);
  70 # define TOKEN_DTOR(token, dtor)
  71 # define T(token) CONCAT1(TOKEN_PREFIX, _ ##token ),
  72 # define TOKEN_CLASS(type, tokens) static token_t type##_token[] = { tokens 0 };
  73 #endif
  74
  75
  76 #endif