X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/29ae55f112c411438e778ccf2fd3fca8332ca0f2..df0e7316a9b91827e01a9de2643a73baaa6382b4:/tests/regression.at diff --git a/tests/regression.at b/tests/regression.at index 9fadf50c..3620200a 100644 --- a/tests/regression.at +++ b/tests/regression.at @@ -1,5 +1,5 @@ # Bison Regressions. -*- Autotest -*- -# Copyright 2001 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -19,22 +19,60 @@ AT_BANNER([[Regression tests.]]) +## ------------------------- ## +## Early token definitions. ## +## ------------------------- ## + + +AT_SETUP([Early token definitions]) + +# Found in GCJ: they expect the tokens to be defined before the user +# prologue, so that they can use the token definitions in it. + +AT_DATA([input.y], +[[%{ +void yyerror (const char *s); +int yylex (void); +%} + +%union +{ + int val; +}; +%{ +#ifndef MY_TOKEN +# error "MY_TOKEN not defined." +#endif +%} +%token MY_TOKEN +%% +exp: MY_TOKEN; +%% +]]) + +AT_CHECK([bison input.y -o input.c]) +AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c]) + +AT_CLEANUP + + + ## ---------------- ## ## Braces parsing. ## ## ---------------- ## -AT_SETUP([braces parsing]) +AT_SETUP([Braces parsing]) AT_DATA([input.y], [[/* Bison used to swallow the character after `}'. */ %% -exp: { tests = {{{{{{{{{{}}}}}}}}}}; } +exp: { tests = {{{{{{{{{{}}}}}}}}}}; }; %% ]]) -AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore) +AT_CHECK([bison -v input.y -o input.c]) AT_CHECK([fgrep 'tests = {{{{{{{{{{}}}}}}}}}};' input.c], 0, [ignore]) @@ -61,227 +99,21 @@ exp: '(' exp ')' | NUM ; %% ]]) -AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore) - -AT_CLEANUP - - -## ------------------------- ## -## Unresolved SR Conflicts. ## -## ------------------------- ## - -AT_SETUP([Unresolved SR Conflicts]) - -AT_DATA([input.y], -[[%token NUM OP -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c -v], 0, [], -[input.y contains 1 shift/reduce conflict. -]) - -# Check the contents of the report. -AT_CHECK([cat input.output], [], -[[State 5 contains 1 shift/reduce conflict. - - -Grammar - - Number, Line, Rule - 0 3 $axiom -> exp $ - 1 3 exp -> exp OP exp - 2 3 exp -> NUM - - -Terminals, with rules where they appear - -$ (0) 0 -error (256) -NUM (257) 2 -OP (258) 1 - - -Nonterminals, with rules where they appear - -$axiom (5) - on left: 0 -exp (6) - on left: 1 2, on right: 0 1 - - -state 0 - - NUM shift, and go to state 1 - - exp go to state 2 - - - -state 1 - - exp -> NUM . (rule 2) - - $default reduce using rule 2 (exp) - - - -state 2 - - $axiom -> exp . $ (rule 0) - exp -> exp . OP exp (rule 1) - - $ shift, and go to state 3 - OP shift, and go to state 4 - - - -state 3 - - $axiom -> exp $ . (rule 0) - - $default accept - - -state 4 - - exp -> exp OP . exp (rule 1) - - NUM shift, and go to state 1 - - exp go to state 5 - - - -state 5 - - exp -> exp . OP exp (rule 1) - exp -> exp OP exp . (rule 1) - - OP shift, and go to state 4 - - OP [reduce using rule 1 (exp)] - $default reduce using rule 1 (exp) - - - -]]) - -AT_CLEANUP - - -## --------------------- ## -## Solved SR Conflicts. ## -## --------------------- ## - -AT_SETUP([Solved SR Conflicts]) - -AT_DATA([input.y], -[[%token NUM OP -%right OP -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c -v], 0, [], []) - -# Check the contents of the report. -AT_CHECK([cat input.output], [], -[[Conflict in state 5 between rule 2 and token OP resolved as shift. - - -Grammar - - Number, Line, Rule - 0 4 $axiom -> exp $ - 1 4 exp -> exp OP exp - 2 4 exp -> NUM - - -Terminals, with rules where they appear - -$ (0) 0 -error (256) -NUM (257) 2 -OP (258) 1 - - -Nonterminals, with rules where they appear - -$axiom (5) - on left: 0 -exp (6) - on left: 1 2, on right: 0 1 - - -state 0 - - NUM shift, and go to state 1 - - exp go to state 2 - - - -state 1 - - exp -> NUM . (rule 2) - - $default reduce using rule 2 (exp) - - - -state 2 - - $axiom -> exp . $ (rule 0) - exp -> exp . OP exp (rule 1) - - $ shift, and go to state 3 - OP shift, and go to state 4 - - - -state 3 - - $axiom -> exp $ . (rule 0) - - $default accept - - -state 4 - - exp -> exp OP . exp (rule 1) - - NUM shift, and go to state 1 - - exp go to state 5 - - - -state 5 - - exp -> exp . OP exp (rule 1) - exp -> exp OP exp . (rule 1) - - OP shift, and go to state 4 - - $default reduce using rule 1 (exp) - - - +AT_CHECK([bison -v input.y -o input.c], 0, [], +[[input.y:6: warning: symbol `"<="' used more than once as a literal string ]]) AT_CLEANUP - - ## ------------------- ## ## Rule Line Numbers. ## ## ------------------- ## AT_SETUP([Rule Line Numbers]) +AT_KEYWORDS([report]) + AT_DATA([input.y], [[%% expr: @@ -309,21 +141,24 @@ expr: { -} +}; ]]) -AT_CHECK([bison input.y -o input.c -v], 0, [], []) +AT_CHECK([bison input.y -o input.c -v]) # Check the contents of the report. AT_CHECK([cat input.output], [], [[Grammar - Number, Line, Rule - 0 2 $axiom -> expr $ - 1 2 @1 -> /* empty */ - 2 2 expr -> 'a' @1 'b' - 3 15 @2 -> /* empty */ - 4 15 expr -> @2 'c' + 0 $axiom: expr $ + + 1 @1: /* empty */ + + 2 expr: 'a' @1 'b' + + 3 @2: /* empty */ + + 4 expr: @2 'c' Terminals, with rules where they appear @@ -349,6 +184,8 @@ expr (7) state 0 + $axiom -> . expr $ (rule 0) + 'a' shift, and go to state 1 $default reduce using rule 3 (@2) @@ -421,63 +258,6 @@ AT_CLEANUP -## -------------------- ## -## %expect not enough. ## -## -------------------- ## - -AT_SETUP([%expect not enough]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 0 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 1, [], -[input.y contains 1 shift/reduce conflict. -expected 0 shift/reduce conflicts -]) -AT_CLEANUP - - -## --------------- ## -## %expect right. ## -## --------------- ## - -AT_SETUP([%expect right]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 1 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 0) -AT_CLEANUP - - -## ------------------ ## -## %expect too much. ## -## ------------------ ## - -AT_SETUP([%expect too much]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 2 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 1, [], -[input.y contains 1 shift/reduce conflict. -expected 2 shift/reduce conflicts -]) -AT_CLEANUP - - ## ---------------------- ## ## Mixing %token styles. ## ## ---------------------- ## @@ -495,7 +275,7 @@ exp: ; %% ]]) -AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore) +AT_CHECK([bison -v input.y -o input.c]) AT_CLEANUP @@ -512,42 +292,53 @@ AT_DATA([input.y], [[%% ? default: 'a' } -%{ %& %a %- +%{ ]]) AT_CHECK([bison input.y], [1], [], -[[input.y:2: invalid input: `?' -input.y:3: invalid input: `}' -input.y:4: invalid input: `%{' -input.y:5: invalid input: `%&' -input.y:6: invalid input: `%a' -input.y:7: invalid input: `%-' +[[input.y:2.1: invalid character: `?' +input.y:3.14: invalid character: `}' +input.y:4.1: invalid character: `%' +input.y:4.2: invalid character: `&' +input.y:5.1: invalid character: `%' +input.y:6.1: invalid character: `%' +input.y:6.2: invalid character: `-' +input.y:7.1-8.0: unexpected end of file in a prologue +input.y:7.1-8.0: parse error, unexpected PROLOGUE, expecting ";" or "|" +input.y:5.2: symbol a is used, but is not defined as a token and has no rules ]]) AT_CLEANUP -## -------------------- ## -## Invalid %directive. ## -## -------------------- ## +## ------------------- ## +## Token definitions. ## +## ------------------- ## -AT_SETUP([Invalid %directive]) +AT_SETUP([Token definitions]) +# Bison managed, when fed with `%token 'f' "f"' to #define 'f'! AT_DATA([input.y], -[[%invalid -]]) - -AT_CHECK([bison input.y], [1], [], -[[input.y:1: unrecognized: %invalid -input.y:1: Skipping to next % -input.y:2: fatal error: no input grammar +[%{ +void yyerror (const char *s); +int yylex (void); +%} +[%token YYEOF 0 "end of file" +%token 'a' "a" +%token b "b" +%token c 'c' +%token 'd' d +%% +exp: "a"; ]]) +AT_CHECK([bison input.y -o input.c]) +AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -c]) AT_CLEANUP @@ -563,6 +354,8 @@ AT_CLEANUP AT_SETUP([Web2c Report]) +AT_KEYWORDS([report]) + AT_DATA([input.y], [[%token undef_id_tok const_id_tok @@ -589,20 +382,19 @@ AT_CHECK([bison -v input.y]) AT_CHECK([sed -n 's/ *$//;/^$/!p' input.output], 0, [[Grammar - Number, Line, Rule - 0 6 $axiom -> CONST_DEC_PART $ - 1 6 CONST_DEC_PART -> CONST_DEC_LIST - 2 10 CONST_DEC_LIST -> CONST_DEC - 3 12 CONST_DEC_LIST -> CONST_DEC_LIST CONST_DEC - 4 15 @1 -> /* empty */ - 5 15 CONST_DEC -> @1 undef_id_tok '=' const_id_tok ';' + 0 $axiom: CONST_DEC_PART $ + 1 CONST_DEC_PART: CONST_DEC_LIST + 2 CONST_DEC_LIST: CONST_DEC + 3 | CONST_DEC_LIST CONST_DEC + 4 @1: /* empty */ + 5 CONST_DEC: @1 undef_id_tok '=' const_id_tok ';' Terminals, with rules where they appear $ (0) 0 ';' (59) 5 '=' (61) 5 error (256) -undef_id_tok (257) 5 -const_id_tok (258) 5 +undef_id_tok (258) 5 +const_id_tok (259) 5 Nonterminals, with rules where they appear $axiom (7) on left: 0 @@ -615,6 +407,7 @@ CONST_DEC (10) @1 (11) on left: 4, on right: 5 state 0 + $axiom -> . CONST_DEC_PART $ (rule 0) $default reduce using rule 4 (@1) CONST_DEC_PART go to state 1 CONST_DEC_LIST go to state 2 @@ -683,6 +476,8 @@ AT_CLEANUP AT_SETUP([Web2c Actions]) +AT_KEYWORDS([report]) + AT_DATA([input.y], [[%% statement: struct_stat; @@ -697,7 +492,7 @@ AT_CHECK([bison -v input.y -o input.c]) # Check only the tables. We don't use --no-parser, because it is # still to be implemented in the experimental branch of Bison. AT_CHECK([[sed -n 's/ *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0, -[[static const char yytranslate[] = +[[static const unsigned char yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, @@ -724,36 +519,36 @@ AT_CHECK([[sed -n 's/ *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 3, 4, 5, - 6 + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6 }; -static const short yyprhs[] = +static const unsigned char yyprhs[] = { 0, 0, 3, 5, 6, 9, 14 }; -static const short yyrhs[] = +static const signed char yyrhs[] = { 8, 0, -1, 9, -1, -1, 10, 11, -1, 3, 4, 5, 8, -1, 6, 8, -1 }; -static const short yyrline[] = +static const unsigned char yyrline[] = { 0, 2, 2, 3, 3, 4, 5 }; static const char *const yytname[] = { "$", "error", "$undefined.", "\"if\"", "\"const\"", "\"then\"", - "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", NULL + "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", 0 }; static const short yytoknum[] = { - 0, 256, 2, 257, 258, 259, 260, -1 + 0, 256, 257, 258, 259, 260, 261, -1 }; -static const short yyr1[] = +static const unsigned char yyr1[] = { 0, 7, 8, 9, 9, 10, 11 }; -static const short yyr2[] = +static const unsigned char yyr2[] = { 0, 2, 1, 0, 2, 4, 2 }; @@ -783,6 +578,11 @@ static const short yycheck[] = { 7, 3, 9, 4, 0, -1, 6, 5 }; +static const unsigned char yystos[] = +{ + 0, 3, 8, 9, 10, 4, 0, 6, 11, 5, + 8, 8 +}; ]]) AT_CLEANUP