doc: merge HACKING and README-hacking.

[bison.git] / tests / actions.at

diff --git a/tests/actions.at b/tests/actions.at
index e17f700324cddbeda2bda8fe32dd2a1365ad3ef6..841ae3925898662bc29299a70500ae96529d6af5 100644 (file)
--- a/tests/actions.at
+++ b/tests/actions.at
@@ -1,5 +1,5 @@
 # Executing Actions.                               -*- Autotest -*-
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
@@ -74,7 +74,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -d -v -o input.c input.y])
+AT_BISON_CHECK([-d -v -o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[0123456789
@@ -152,7 +152,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -d -v -o input.c input.y], 0)
+AT_BISON_CHECK([-d -v -o input.c input.y], 0)
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 0,
 [[15
@@ -367,11 +367,7 @@ main (int argc, const char *argv[])
 }
 ]])
 
-AT_LALR1_CC_IF(
-  [AT_CHECK([bison -o input.cc input.y])
-   AT_COMPILE_CXX([input])],
-  [AT_CHECK([bison -o input.c input.y])
-   AT_COMPILE([input])])
+AT_FULL_COMPILE([input])
 
 
 # Check the location of "empty"
@@ -663,7 +659,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,
 [[<> destructor for 'd' @ 4.
@@ -788,7 +784,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,
 [[<*>/<field2>/e destructor.
@@ -923,7 +919,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input$1.c input$1.y])
+AT_BISON_CHECK([-o input$1.c input$1.y])
 AT_COMPILE([input$1])
 AT_PARSER_CHECK([./input$1], 0,
 [[<]]kind[[> for 'E' @ 1.
@@ -1023,7 +1019,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], [1], [],
 [[Starting parse
@@ -1134,7 +1130,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
 AT_COMPILE([input])
 
 AT_CLEANUP
@@ -1202,7 +1198,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([bison -o input.c input.y], 0,,
+AT_BISON_CHECK([-o input.c input.y], 0,,
 [[input.y:33.3-23: warning: unset value: $$
 input.y:30.3-35.37: warning: unused value: $3
 ]])
@@ -1296,7 +1292,7 @@ main (void)
 }
 ]])
 
-AT_CHECK([[bison -o input.c input.y]])
+AT_BISON_CHECK([[-o input.c input.y]])
 AT_COMPILE([[input]])
 
 AT_CLEANUP])
@@ -1304,3 +1300,111 @@ AT_CLEANUP])
 AT_CHECK_ACTION_LOCATIONS([[%initial-action]])
 AT_CHECK_ACTION_LOCATIONS([[%destructor]])
 AT_CHECK_ACTION_LOCATIONS([[%printer]])
+
+
+## ----------------------------------------------- ##
+## Fix user actions without a trailing semicolon.  ##
+## ----------------------------------------------- ##
+
+AT_SETUP([[Fix user actions without a trailing semicolon]])
+
+# This feature is undocumented, but we accidentally broke it in 2.3a,
+# and there was a complaint at:
+# <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
+
+AT_DATA([input.y],
+[[%%
+start: test2 test1 test0 testc;
+
+test2
+: 'a' { semi;                  /* TEST:N:2 */ }
+| 'b' { if (0) {no_semi}       /* TEST:N:2 */ }
+| 'c' { if (0) {semi;}         /* TEST:N:2 */ }
+| 'd' { semi;   no_semi                /* TEST:Y:2 */ }
+| 'e' { semi(); no_semi()      /* TEST:Y:2 */ }
+| 'f' { semi[]; no_semi[]      /* TEST:Y:2 */ }
+| 'g' { semi++; no_semi++      /* TEST:Y:2 */ }
+| 'h' { {no_semi} no_semi      /* TEST:Y:2 */ }
+| 'i' { {semi;}   no_semi      /* TEST:Y:2 */ }
+;
+test1
+  : 'a' { semi;                        // TEST:N:1 ;
+} | 'b' { if (0) {no_semi}     // TEST:N:1 ;
+} | 'c' { if (0) {semi;}       // TEST:N:1 ;
+} | 'd' { semi;   no_semi      // TEST:Y:1 ;
+} | 'e' { semi(); no_semi()    // TEST:Y:1 ;
+} | 'f' { semi[]; no_semi[]    // TEST:Y:1 ;
+} | 'g' { semi++; no_semi++    // TEST:Y:1 ;
+} | 'h' { {no_semi} no_semi    // TEST:Y:1 ;
+} | 'i' { {semi;}   no_semi    // TEST:Y:1 ;
+} ;
+test0
+  : 'a' { semi;                        // TEST:N:1 {}
+} | 'b' { if (0) {no_semi}     // TEST:N:1 {}
+} | 'c' { if (0) {semi;}       // TEST:N:1 {}
+} | 'd' { semi;   no_semi      // TEST:Y:1 {}
+} | 'e' { semi(); no_semi()    // TEST:Y:1 {}
+} | 'f' { semi[]; no_semi[]    // TEST:Y:1 {}
+} | 'g' { semi++; no_semi++    // TEST:Y:1 {}
+} | 'h' { {no_semi} no_semi    // TEST:Y:1 {}
+} | 'i' { {semi;}   no_semi    // TEST:Y:1 {}
+} ;
+
+testc
+: 'a' {
+#define TEST_MACRO_N \
+[]"broken\" $ @ $$ @$ [];\
+string;"}
+| 'b' {
+no_semi
+#define TEST_MACRO_N \
+[]"broken\" $ @ $$ @$ [];\
+string;"}
+]])
+
+AT_BISON_CHECK([[-o input.c input.y]], [0], [],
+[[input.y:8.48: warning: a `;' might be needed at the end of action code
+input.y:8.48: warning: future versions of Bison will not add the `;'
+input.y:9.48: warning: a `;' might be needed at the end of action code
+input.y:9.48: warning: future versions of Bison will not add the `;'
+input.y:10.48: warning: a `;' might be needed at the end of action code
+input.y:10.48: warning: future versions of Bison will not add the `;'
+input.y:11.48: warning: a `;' might be needed at the end of action code
+input.y:11.48: warning: future versions of Bison will not add the `;'
+input.y:12.48: warning: a `;' might be needed at the end of action code
+input.y:12.48: warning: future versions of Bison will not add the `;'
+input.y:13.48: warning: a `;' might be needed at the end of action code
+input.y:13.48: warning: future versions of Bison will not add the `;'
+input.y:20.1: warning: a `;' might be needed at the end of action code
+input.y:20.1: warning: future versions of Bison will not add the `;'
+input.y:21.1: warning: a `;' might be needed at the end of action code
+input.y:21.1: warning: future versions of Bison will not add the `;'
+input.y:22.1: warning: a `;' might be needed at the end of action code
+input.y:22.1: warning: future versions of Bison will not add the `;'
+input.y:23.1: warning: a `;' might be needed at the end of action code
+input.y:23.1: warning: future versions of Bison will not add the `;'
+input.y:24.1: warning: a `;' might be needed at the end of action code
+input.y:24.1: warning: future versions of Bison will not add the `;'
+input.y:25.1: warning: a `;' might be needed at the end of action code
+input.y:25.1: warning: future versions of Bison will not add the `;'
+input.y:31.1: warning: a `;' might be needed at the end of action code
+input.y:31.1: warning: future versions of Bison will not add the `;'
+input.y:32.1: warning: a `;' might be needed at the end of action code
+input.y:32.1: warning: future versions of Bison will not add the `;'
+input.y:33.1: warning: a `;' might be needed at the end of action code
+input.y:33.1: warning: future versions of Bison will not add the `;'
+input.y:34.1: warning: a `;' might be needed at the end of action code
+input.y:34.1: warning: future versions of Bison will not add the `;'
+input.y:35.1: warning: a `;' might be needed at the end of action code
+input.y:35.1: warning: future versions of Bison will not add the `;'
+input.y:36.1: warning: a `;' might be needed at the end of action code
+input.y:36.1: warning: future versions of Bison will not add the `;'
+]])
+
+AT_MATCHES_CHECK([input.c], [[/\* TEST:N:2 \*/ \}$]],       [[3]])
+AT_MATCHES_CHECK([input.c], [[/\* TEST:Y:2 \*/ ;\}$]],      [[6]])
+AT_MATCHES_CHECK([input.c], [[// TEST:N:1 [;{}]*\n\}$]],    [[6]])
+AT_MATCHES_CHECK([input.c], [[// TEST:Y:1 [;{}]*\n;\}$]],  [[12]])
+AT_MATCHES_CHECK([input.c], [[#define TEST_MACRO_N \\\n\[\]"broken\\" \$ \@ \$\$ \@\$ \[\];\\\nstring;"\}]], [[2]])
+
+AT_CLEANUP