X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4323e0dac386d777d070c68564f1c0041b06935d..0906b12cd56f9777fb684b8a257a0e56c090a93c:/tests/actions.at diff --git a/tests/actions.at b/tests/actions.at index bde0961b..f62c43dd 100644 --- a/tests/actions.at +++ b/tests/actions.at @@ -69,6 +69,183 @@ AT_PARSER_CHECK([./input], 0, AT_CLEANUP +## ------------------ ## +## Initial location. ## +## ------------------ ## + +# AT_TEST(SKELETON-NAME, DIRECTIVES, [MORE-DIRECTIVES], [LOCATION = 1.1]) +# ----------------------------------------------------------------------- +# Check that the initial location is correct. +m4_pushdef([AT_TEST], +[AT_SETUP([Initial location: $1 $2]) + +AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1" $2]) +AT_DATA_GRAMMAR([[input.y]], +[[%defines /* FIXME: Required by lalr1.cc in Bison 2.6. */ +%locations +%debug +%skeleton "$1" +]$2[ +]$3[ +%code +{ +# include +# include // getenv +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ +} +%% +exp: { ]AT_SKEL_CC_IF([[std::cerr << @$ << std::endl]], + [[YY_LOCATION_PRINT(stderr, @$); fputc ('\n', stderr)]])[; } +%% +]AT_YYERROR_DEFINE[ + +]AT_YYLEX_PROTOTYPE[ +{]AT_PURE_IF([ + YYUSE(lvalp); + YYUSE(llocp);], [AT_SKEL_CC_IF([ + YYUSE(lvalp); + YYUSE(llocp);])])[ + return 'x'; +} + +int +main (void) +{]AT_SKEL_CC_IF([[ + yy::parser p; + p.set_debug_level (!!getenv("YYDEBUG")); + return p.parse ();]], [[ + yydebug = !!getenv("YYDEBUG"); + return !!yyparse (]AT_PARAM_IF([0])[);]])[ +} +]]) + +AT_FULL_COMPILE([input]) +AT_PARSER_CHECK([./input], 1, [], +[m4_default([$4], [1.1]) +m4_default([$4], [1.1])[: syntax error +]]) +AT_BISON_OPTION_POPDEFS +AT_CLEANUP +]) + +## FIXME: test Java, and iterate over skeletons. +AT_TEST([yacc.c]) +AT_TEST([yacc.c], [%define api.pure full]) +AT_TEST([yacc.c], [%define api.pure %parse-param { int x }]) +AT_TEST([yacc.c], [%define api.push-pull both]) +AT_TEST([yacc.c], [%define api.push-pull both %define api.pure full]) +AT_TEST([glr.c]) +AT_TEST([glr.c], [%define api.pure]) +AT_TEST([lalr1.cc]) +AT_TEST([glr.cc]) + +## A very different test, based on PostgreSQL's implementation of the +## locations. See +## http://lists.gnu.org/archive/html/bug-bison/2012-11/msg00023.html +## +## Weirdly enough, to trigger the warning with GCC 4.7, we must not +## use fprintf, so run the test twice: once to check the warning +## (absence thereof), and another time to check the value. +AT_TEST([yacc.c], [%define api.pure full], +[[%{ +# define YYLTYPE int +# define YY_LOCATION_PRINT(Stream, Loc) \ + (void) (Loc) +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + (Current) = ((Rhs)[N ? 1 : 0]) +%} +]], +[@&t@]) + +AT_TEST([yacc.c], [%define api.pure full], +[[%{ +# define YYLTYPE int +# define YY_LOCATION_PRINT(Stream, Loc) \ + fprintf ((Stream), "%d", (Loc)) +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + (Current) = ((Rhs)[N ? 1 : 0]) +%} +]], +[0]) + + +m4_popdef([AT_TEST]) + + + +## ---------------- ## +## Location Print. ## +## ---------------- ## + +# AT_TEST(SKELETON-NAME, DIRECTIVES, [MORE-DIRECTIVES], [LOCATION = 1.1]) +# ----------------------------------------------------------------------- +# Check that the initial location is correct. +m4_pushdef([AT_TEST], +[AT_SETUP([Location print: $1 $2]) + +AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1" $2]) +AT_DATA_GRAMMAR([[input.y]], +[[%defines /* FIXME: Required by lalr1.cc in Bison 2.6. */ +%locations +%debug +%skeleton "$1" +]$2[ +]$3[ +%code +{ +# include +# include // getenv +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ +} +%% +exp:; +%% +]AT_YYERROR_DEFINE[ +]AT_YYLEX_DEFINE[ + +int +main (void) +{ +#define TEST(L1, C1, L2, C2) \ + ]AT_LOC_FIRST_LINE[ = L1; \ + ]AT_LOC_FIRST_COLUMN[ = C1; \ + ]AT_LOC_LAST_LINE[ = L2; \ + ]AT_LOC_LAST_COLUMN[ = C2; \ + ]YY_LOCATION_PRINT(stdout, AT_LOC)[;\ + putchar ('\n'); + + TEST(1, 1, 1, 1); + TEST(2, 1, 2, 10); + TEST(3, 1, 4, 1); + TEST(5, 1, 6, 10); + + TEST(7, 2, 0, 2); + TEST(8, 0, 8, 0); +} +]]) + +AT_FULL_COMPILE([input]) +AT_PARSER_CHECK([./input], 0, +[[1.1 +2.1-9 +3.1-4.0 +5.1-6.9 +7.2 +8.0 +]]) +AT_BISON_OPTION_POPDEFS +AT_CLEANUP +]) + +## FIXME: test Java, and iterate over skeletons. +AT_TEST([yacc.c]) +AT_TEST([glr.c]) +#AT_TEST([lalr1.cc]) +#AT_TEST([glr.cc]) + +m4_popdef([AT_TEST]) @@ -159,8 +336,7 @@ main (void) } ]]) -AT_BISON_CHECK([[-o input.c input.y]]) -AT_COMPILE([[input]]) +AT_FULL_COMPILE([input]) AT_PARSER_CHECK([[./input]], [[0]], [[6 ]]) @@ -557,7 +733,7 @@ AT_BISON_OPTION_POPDEFS # AT_CHECK_PRINTER_AND_DESTRUCTOR([BISON-OPTIONS], [UNION-FLAG], [SKIP_FLAG]) # --------------------------------------------------------------------------- m4_define([AT_CHECK_PRINTER_AND_DESTRUCTOR], -[AT_SETUP([Printers and Destructors $2: $1]) +[AT_SETUP([Printers and Destructors$2]m4_ifval([$1], [[: $1]])) $3 _AT_CHECK_PRINTER_AND_DESTRUCTOR($[1], $[2], $[3], $[4], @@ -595,10 +771,6 @@ AT_DATA_GRAMMAR([[input.y]], [[%define parse.error verbose %debug %locations -%initial-action { - @$.first_line = @$.last_line = 1; - @$.first_column = @$.last_column = 1; -} %{ # include @@ -647,8 +819,8 @@ main (void) ]]) AT_BISON_CHECK([-o input.c input.y], [], [], -[[input.y:27.3-5: warning: useless %destructor for type <*> [-Wother] -input.y:27.3-5: warning: useless %printer for type <*> [-Wother] +[[input.y:23.3-5: warning: useless %destructor for type <*> [-Wother] +input.y:23.3-5: warning: useless %printer for type <*> [-Wother] ]]) AT_COMPILE([input]) AT_PARSER_CHECK([./input], 1, @@ -659,29 +831,29 @@ AT_PARSER_CHECK([./input], 1, ]], [[Starting parse Entering state 0 -Reading a token: Next token is token 'a' (1.1-1.1: <> printer for 'a' @ 1) -Shifting token 'a' (1.1-1.1: <> printer for 'a' @ 1) +Reading a token: Next token is token 'a' (1.1: <> printer for 'a' @ 1) +Shifting token 'a' (1.1: <> printer for 'a' @ 1) Entering state 1 -Reading a token: Next token is token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2) -Shifting token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2) +Reading a token: Next token is token 'b' (1.2: 'b'/'c' printer for 'b' @ 2) +Shifting token 'b' (1.2: 'b'/'c' printer for 'b' @ 2) Entering state 3 -Reading a token: Next token is token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3) -Shifting token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3) +Reading a token: Next token is token 'c' (1.3: 'b'/'c' printer for 'c' @ 3) +Shifting token 'c' (1.3: 'b'/'c' printer for 'c' @ 3) Entering state 5 -Reading a token: Next token is token 'd' (1.4-1.4: <> printer for 'd' @ 4) -Shifting token 'd' (1.4-1.4: <> printer for 'd' @ 4) +Reading a token: Next token is token 'd' (1.4: <> printer for 'd' @ 4) +Shifting token 'd' (1.4: <> printer for 'd' @ 4) Entering state 6 Reading a token: Now at end of input. -1.5-4: syntax error, unexpected $end, expecting 'e' -Error: popping token 'd' (1.4-1.4: <> printer for 'd' @ 4) +1.5: syntax error, unexpected $end, expecting 'e' +Error: popping token 'd' (1.4: <> printer for 'd' @ 4) Stack now 0 1 3 5 -Error: popping token 'c' (1.3-1.3: 'b'/'c' printer for 'c' @ 3) +Error: popping token 'c' (1.3: 'b'/'c' printer for 'c' @ 3) Stack now 0 1 3 -Error: popping token 'b' (1.2-1.2: 'b'/'c' printer for 'b' @ 2) +Error: popping token 'b' (1.2: 'b'/'c' printer for 'b' @ 2) Stack now 0 1 -Error: popping token 'a' (1.1-1.1: <> printer for 'a' @ 1) +Error: popping token 'a' (1.1: <> printer for 'a' @ 1) Stack now 0 -Cleanup: discarding lookahead token $end (1.5-1.5: ) +Cleanup: discarding lookahead token $end (1.5: ) Stack now 0 ]]) @@ -835,10 +1007,6 @@ AT_DATA_GRAMMAR([[input]]$1[[.y]], [[%define parse.error verbose %debug %locations -%initial-action { - @$.first_line = @$.last_line = 1; - @$.first_column = @$.last_column = 1; -} %{ # include @@ -899,11 +1067,11 @@ AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([-o input$1.c input$1.y], [], [], [m4_if([$1], [0], -[[input0.y:27.3-5: warning: useless %destructor for type <*> [-Wother] -input0.y:27.3-5: warning: useless %printer for type <*> [-Wother] +[[input0.y:23.3-5: warning: useless %destructor for type <*> [-Wother] +input0.y:23.3-5: warning: useless %printer for type <*> [-Wother] ]], -[[input1.y:27.3-4: warning: useless %destructor for type <> [-Wother] -input1.y:27.3-4: warning: useless %printer for type <> [-Wother] +[[input1.y:23.3-4: warning: useless %destructor for type <> [-Wother] +input1.y:23.3-4: warning: useless %printer for type <> [-Wother] ]])]) AT_COMPILE([input$1]) @@ -914,16 +1082,16 @@ AT_PARSER_CHECK([./input$1], 0, ]], [[Starting parse Entering state 0 -Reducing stack by rule 1 (line 46): --> $$ = nterm start (1.1-1.1: <]]kind[[> for 'S' @ 1) +Reducing stack by rule 1 (line 42): +-> $$ = nterm start (1.1: <]]kind[[> for 'S' @ 1) Stack now 0 Entering state 1 Reading a token: Now at end of input. -Shifting token END (1.1-1.1: <]]kind[[> for 'E' @ 1) +Shifting token END (1.1: <]]kind[[> for 'E' @ 1) Entering state 2 Stack now 0 1 2 -Cleanup: popping token END (1.1-1.1: <]]kind[[> for 'E' @ 1) -Cleanup: popping nterm start (1.1-1.1: <]]kind[[> for 'S' @ 1) +Cleanup: popping token END (1.1: <]]kind[[> for 'E' @ 1) +Cleanup: popping nterm start (1.1: <]]kind[[> for 'S' @ 1) ]]) m4_popdef([kind]) @@ -1158,7 +1326,22 @@ AT_BISON_CHECK([-o input.c input.y], 0,, [[input.y:24.70-72: warning: useless %destructor for type <*> [-Wother] input.y:24.70-72: warning: useless %printer for type <*> [-Wother] input.y:33.3-23: warning: unset value: $$ [-Wother] -input.y:30.3-35.37: warning: unused value: $3 [-Wother] +input.y:32.3-23: warning: unused value: $3 [-Wother] +]]) + +AT_BISON_CHECK([-fcaret -o input.c input.y], 0,, +[[input.y:24.70-72: warning: useless %destructor for type <*> [-Wother] + %printer { fprintf (yyoutput, "<*> printer should not be called"); } <*> + ^^^ +input.y:24.70-72: warning: useless %printer for type <*> [-Wother] + %printer { fprintf (yyoutput, "<*> printer should not be called"); } <*> + ^^^ +input.y:33.3-23: warning: unset value: $$ [-Wother] + { @$ = 4; } // Only used. + ^^^^^^^^^^^^^^^^^^^^^ +input.y:32.3-23: warning: unused value: $3 [-Wother] + { USE ($$); @$ = 3; } // Only set. + ^^^^^^^^^^^^^^^^^^^^^ ]]) AT_COMPILE([input]) @@ -1259,10 +1442,11 @@ AT_CHECK_ACTION_LOCATIONS([[%printer]]) ## Qualified $$ in actions. ## ## ------------------------- ## -# Check that we can used qualified $$ (v.g., $$) not only in -# rule actions, but also where $$ is valid: %printer and %destructor. +# Check that we can use qualified $$ (v.g., $$) not only in rule +# actions, but also where $$ is valid: %destructor/%printer and +# %initial-action. # -# FIXME: Not actually checking %desctructor, but it's the same code as +# FIXME: Not actually checking %destructor, but it's the same code as # %printer... # # To do that, use a semantic value that has two fields (sem_type), @@ -1273,17 +1457,13 @@ AT_CHECK_ACTION_LOCATIONS([[%printer]]) m4_pushdef([AT_TEST], [AT_SETUP([[Qualified $$ in actions: $1]]) -AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1"]) +AT_BISON_OPTION_PUSHDEFS([%skeleton "$1"]) AT_DATA_GRAMMAR([[input.y]], [[%skeleton "$1" -%defines // FIXME: Mandated by lalr1.cc in Bison 2.6. -%locations // FIXME: Mandated by lalr1.cc in Bison 2.6. %debug %code requires { -# include - typedef struct sem_type { int ival; @@ -1292,20 +1472,21 @@ AT_DATA_GRAMMAR([[input.y]], # define YYSTYPE sem_type -#ifdef __cplusplus +]AT_SKEL_CC_IF([[ # include static void report (std::ostream& yyo, int ival, float fval) { yyo << "ival: " << ival << ", fval: " << fval; } -#else +]], [[ +# include static void report (FILE* yyo, int ival, float fval) { fprintf (yyo, "ival: %d, fval: %1.1f", ival, fval); } -#endif +]])[ } %code @@ -1321,17 +1502,6 @@ AT_DATA_GRAMMAR([[input.y]], %printer { report (yyo, $$, $$ ); } ; %printer { report (yyo, $$, $$); } <>; -]AT_SKEL_CC_IF([[ -/* The lalr1.cc skeleton, for backward compatibility, defines - a constructor for position that initializes the filename. The - glr.cc skeleton does not (and in fact cannot: location/position - are stored in a union, from which objects with constructors are - excluded in C++). */ -%initial-action { - @$.initialize (); -} -]])[ - %initial-action { $$ = 42; @@ -1366,10 +1536,7 @@ AT_FULL_COMPILE([[input]]) AT_PARSER_CHECK([./input], 0, [], [stderr]) # Don't be too picky on the traces, GLR is not exactly the same. Keep # only the lines from the printer. -# -# Don't care about locations. FIXME: remove their removal when Bison -# supports C++ without locations. -AT_CHECK([[sed -ne 's/([-0-9.]*: /(/;/ival:/p' stderr]], 0, +AT_CHECK([[sed -ne '/ival:/p' stderr]], 0, [[Reading a token: Next token is token UNTYPED (ival: 10, fval: 0.1) Shifting token UNTYPED (ival: 10, fval: 0.1) Reading a token: Next token is token INT (ival: 20, fval: 0.2) @@ -1454,42 +1621,42 @@ string;"} AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([[-o input.c input.y]], [0], [], -[[input.y:8.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:8.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:9.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:9.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:10.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:10.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:11.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:11.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:12.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:12.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:13.48: warning: a ';' might be needed at the end of action code [-Wother] -input.y:13.48: warning: future versions of Bison will not add the ';' [-Wother] -input.y:20.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:20.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:21.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:21.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:22.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:22.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:23.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:23.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:24.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:24.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:25.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:25.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:31.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:31.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:32.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:32.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:33.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:33.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:34.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:34.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:35.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:35.1: warning: future versions of Bison will not add the ';' [-Wother] -input.y:36.1: warning: a ';' might be needed at the end of action code [-Wother] -input.y:36.1: warning: future versions of Bison will not add the ';' [-Wother] +[[input.y:8.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:8.48: future versions of Bison will not add the ';' +input.y:9.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:9.48: future versions of Bison will not add the ';' +input.y:10.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:10.48: future versions of Bison will not add the ';' +input.y:11.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:11.48: future versions of Bison will not add the ';' +input.y:12.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:12.48: future versions of Bison will not add the ';' +input.y:13.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:13.48: future versions of Bison will not add the ';' +input.y:20.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:20.1: future versions of Bison will not add the ';' +input.y:21.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:21.1: future versions of Bison will not add the ';' +input.y:22.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:22.1: future versions of Bison will not add the ';' +input.y:23.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:23.1: future versions of Bison will not add the ';' +input.y:24.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:24.1: future versions of Bison will not add the ';' +input.y:25.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:25.1: future versions of Bison will not add the ';' +input.y:31.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:31.1: future versions of Bison will not add the ';' +input.y:32.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:32.1: future versions of Bison will not add the ';' +input.y:33.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:33.1: future versions of Bison will not add the ';' +input.y:34.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:34.1: future versions of Bison will not add the ';' +input.y:35.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:35.1: future versions of Bison will not add the ';' +input.y:36.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] +input.y:36.1: future versions of Bison will not add the ';' ]]) AT_MATCHES_CHECK([input.c], [[/\* TEST:N:2 \*/ \}$]], [[3]])