lalr1.cc: no longer require %defines.

* data/lalr1.cc: Generate the parser header only when %defines is
passed.
* tests/calc.at: Check it.

diff --git a/data/lalr1.cc b/data/lalr1.cc
index 3d6bdca915510f7cadd83792d6985be1bd275d44..5792257856e1187cac1dbed88b2da5ef5f15fc98 100644 (file)
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -336,7 +336,8 @@ b4_public_types_define])[
 
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
 
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()

-m4_divert_push(0)dnl
+b4_defines_if(
+[m4_divert_push(0)dnl

 @output(b4_spec_defines_file@)@
 b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++])
 [
 @output(b4_spec_defines_file@)@
 b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++])
 [


@@ -350,6 +351,11 @@ b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++])
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_defines_file])
 ]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
 ]b4_cpp_guard_close([b4_spec_defines_file])

+m4_divert_pop(0)dnl
+])
+
+
+m4_divert_push(0)dnl

 @output(b4_parser_file_name@)@
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++])
 b4_percent_code_get([[top]])[]dnl
 @output(b4_parser_file_name@)@
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++])
 b4_percent_code_get([[top]])[]dnl


@@ -363,7 +369,8 @@ m4_if(b4_prefix, [yy], [],
 
 ]b4_null_define[
 
 
 ]b4_null_define[
 

-#include "@basename(]b4_spec_defines_file[@)"
+]b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
+               [b4_shared_declarations])[

 
 /* User implementation prologue.  */
 ]b4_user_post_prologue[
 
 /* User implementation prologue.  */
 ]b4_user_post_prologue[

diff --git a/tests/calc.at b/tests/calc.at
index 1eac92a1a3b28360ead893baff421f422d2291a1..8d0fcb396c489530cabdd2d63999aa0d5fb5d0eb 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -693,12 +693,12 @@ AT_CHECK_CALC([%skeleton "lalr1.cc" %defines])
 # Start a testing chunk which compiles `calc' grammar with
 # the C++ skeleton, and performs several tests over the parser.
 m4_define([AT_CHECK_CALC_LALR1_CC],
 # Start a testing chunk which compiles `calc' grammar with
 # the C++ skeleton, and performs several tests over the parser.
 m4_define([AT_CHECK_CALC_LALR1_CC],

-[AT_CHECK_CALC([%language "C++" %defines] $@)])
+[AT_CHECK_CALC([%language "C++"] $@)])

 
 AT_CHECK_CALC_LALR1_CC([])
 AT_CHECK_CALC_LALR1_CC([%locations])
 AT_CHECK_CALC_LALR1_CC([%locations %define location_type Span])
 
 AT_CHECK_CALC_LALR1_CC([])
 AT_CHECK_CALC_LALR1_CC([%locations])
 AT_CHECK_CALC_LALR1_CC([%locations %define location_type Span])

-AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%defines %locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])

 
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %define api.prefix "calc" %verbose %yacc])
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %define api.prefix "calc" %verbose %yacc])
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])


@@ -706,10 +706,10 @@ AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-pref
 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc])
 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 
 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc])
 AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
 

-AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])
+AT_CHECK_CALC_LALR1_CC([%defines %locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])

 
 AT_CHECK_CALC_LALR1_CC([%pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])
 
 AT_CHECK_CALC_LALR1_CC([%pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])

-AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])
+AT_CHECK_CALC_LALR1_CC([%defines %locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} {int *count}])