AT_CHECK([bison -v duplicate.y -o duplicate.c], 0, ignore, ignore)
-AT_CLEANUP([duplicate.*])
+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 4 contains 1 shift/reduce conflict.
+
+Grammar
+
+rule 1 exp -> exp OP exp
+rule 2 exp -> NUM
+
+Terminals, with rules where they appear
+
+$ (-1)
+error (256)
+NUM (257) 2
+OP (258) 1
+
+Nonterminals, with rules where they appear
+
+exp (5)
+ on left: 1 2, on right: 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
+
+ exp -> exp . OP exp (rule 1)
+
+ $ go to state 5
+ OP shift, and go to state 3
+
+
+
+state 3
+
+ exp -> exp OP . exp (rule 1)
+
+ NUM shift, and go to state 1
+
+ exp go to state 4
+
+
+
+state 4
+
+ exp -> exp . OP exp (rule 1)
+ exp -> exp OP exp . (rule 1)
+
+ OP shift, and go to state 3
+
+ OP [reduce using rule 1 (exp)]
+ $default reduce using rule 1 (exp)
+
+
+
+state 5
+
+ $ go to state 6
+
+
+
+state 6
+
+ $default accept
+]])
+
+AT_CLEANUP
+
+
+## --------------------- ##
+## Solved SR Conflicts. ##
+## --------------------- ##
+
+AT_SETUP([Solved SR Conflicts])
+
+AT_DATA([input.y],
+[[%token NUM OP
+%right OP
+%%
+exp: exp OP exp | NUM;
+]])
+
+AT_CHECK([bison input.y -o input.c -v], 0, [], [])
+
+# Check the contents of the report.
+AT_CHECK([cat input.output], [],
+[[Conflict in state 4 between rule 1 and token OP resolved as shift.
+
+Grammar
+
+rule 1 exp -> exp OP exp
+rule 2 exp -> NUM
+
+Terminals, with rules where they appear
+
+$ (-1)
+error (256)
+NUM (257) 2
+OP (258) 1
+
+Nonterminals, with rules where they appear
+
+exp (5)
+ on left: 1 2, on right: 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
+
+ exp -> exp . OP exp (rule 1)
+
+ $ go to state 5
+ OP shift, and go to state 3
+
+
+
+state 3
+
+ exp -> exp OP . exp (rule 1)
+
+ NUM shift, and go to state 1
+
+ exp go to state 4
+
+
+
+state 4
+
+ exp -> exp . OP exp (rule 1)
+ exp -> exp OP exp . (rule 1)
+
+ OP shift, and go to state 3
+
+ $default reduce using rule 1 (exp)
+
+
+
+state 5
+
+ $ go to state 6
+
+
+
+state 6
+
+ $default accept
+]])
+
+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, [],
+[input.y contains 1 shift/reduce conflict.
+])
+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. ##
+## ---------------------- ##
+
+
+AT_SETUP([Mixing %token styles])
+
+# Taken from the documentation.
+AT_DATA([input.y],
+[[%token <operator> OR "||"
+%token <operator> LE 134 "<="
+%left OR "<="
+%%
+exp: ;
+%%
+]])
+
+AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore)
+
+AT_CLEANUP
AT_CHECK([bison --defines union.y])
-AT_CLEANUP([union.*])
+AT_CLEANUP
## --------------------------------------- ##
AT_CHECK([bison union-comment.y])
AT_CHECK([fgrep '//*' union-comment.tab.c], [1], [])
-AT_CLEANUP([union-comment.*])
-
-
-## --------------- ##
-## invalid input. ##
-## --------------- ##
-
-
-AT_SETUP([Invalid input])
-
-AT_DATA([input.y],
-[[%%
-?
-]])
-
-AT_CHECK([bison input.y], [1], [],
-[input.y:2: invalid input: `?'
-input.y:3: fatal error: no rules in the input grammar
-])
-
AT_CLEANUP
AT_CLEANUP
+
## --------------------- ##
## Invalid CPP headers. ##
## --------------------- ##
-AT_SETUP([Invalid CPP headers])
+# AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
+# -------------------------------------
+m4_define([AT_TEST_CPP_GUARD_H],
+[AT_SETUP([Invalid CPP guards: $1])
-mkdir input
+# Possibly create inner directories.
+dirname=`AS_DIRNAME([$1])`
+AS_MKDIR_P([$dirname])
-AT_DATA([input/input.y],
+AT_DATA([$1.y],
[%%
dummy:
])
-AT_CHECK([bison --defines input/input.y])
+AT_CHECK([bison --defines=$1.h $1.y])
-AT_CHECK([sed 1q input/input.tab.h], 0,
-[[#ifndef INPUT_INPUT_TAB_H
-]])
+# CPP should be happy with it.
+AT_CHECK([$CC -E $1.h], 0, [ignore])
+
+AT_CLEANUP
+])
-AT_CLEANUP(input)
+AT_TEST_CPP_GUARD_H([input/input])
+AT_TEST_CPP_GUARD_H([9foo])
projects / bison.git / blobdiff