./oceani --noexec --print .tmp.code1a >> .tmp.code2a || exit 1;\
if ! cmp -s .tmp.code1 .tmp.code2a; then \
echo " Failed"; diff -u .tmp.code1 .tmp.code2a; exit 1; fi ; \
+ echo -n "brackets.. "; \
+ echo '``````' > .tmp.code2b ; echo '``````' > .tmp.code2c ;\
+ ./oceani --noexec --print --brackets .tmp.code1 >> .tmp.code2b || exit 1; \
+ ./oceani -npb .tmp.code2b >> .tmp.code2c || exit 1 ; \
+ if ! cmp -s .tmp.code2b .tmp.code2c; then \
+ echo " Failed"; diff -u .tmp.code2b .tmp.code2c; exit 1; fi; \
echo -n "exec-after-print.. "; \
./oceani .tmp.code1 $${1+"$$@"} > .tmp.have ; \
if ! cmp -s .tmp.want .tmp.have; then \
## valgrind test code
@[ -n "$$SKIP_COVERAGE_CHECK" ] || awk '/NOTEST/ { next } /^ *[1-9]/ {ran+=1} /^ *###/ {skip+=1} \
END {printf "coverage: %6.2f%%\n", ran * 100 / (ran + skip); \
- if (ran < (ran + skip) *0.972) exit(1) }' \
+ if (ran < (ran + skip) *0.99) exit(1) }' \
coverage/oceani.mdc.gcov
coverage_oceani: oceani.c
###### test: valvar
- func main(argv:[argc::]string)
+ func main(argv:[]string)
a := 23; b:=12 ; b1 := -b
print a, b, a+b, a-b, a*b, a/b, a%b
print a<b, a<=b, a>b, a>=b, a<a, a==b, a==a
+ b1
+ b
+ z:Boolean= True
+ w:Boolean = False
+ if ?z:
+ print "w??z", w??z
+ print "z??w", z??w
+ print "z??False", z??False, "w??False", w??False
+ if ?w:
+ print "Weird?"
+ print $"-34.56", $"not-a-number"
+ print $"4i"
+ if True { pass; pass }
+
###### output: valvar
23 12 35 11 276 1.916666667 11
False True True False False False
This is a string field theory This is a string field theory
81
+ w??z True
+ z??w True
+ z??False True w??False False
+ -34.56 0
+ Unsupported suffix: 4i
+ 4
Next we change the value of variables
print
for i:=0; then i=i+1; while i < 5:
- switch i:
- case 0: num:="zero"
- case 1: num:="one"
- case 2: num:="two"
- case 3: num:="three"
- else num:="many"
+ switch { use i }
+ case 0: num:="zero" ;
+ case 1: num:="one" ;
+ case 2 { num:="two" } case 3 { num:="three" }
+ else num:="many"
// re-declare a CondScope variable
num := i*i
print num,", ",
print "error is ", target - guess * guess
for j:=0; then j = j+3 ; while j < 10:
- if j != 0 and then 20 / j > 3:
+ if j != 0 and 20 / j > 3:
print "20 /", j," =", 20 / j
else
print "I won't calculate 20 /", j
pi ::= 3.1415926535897
- if 355/113 == pi or else +(pi - 355/113) < 0.001:
+ if 355/113 == pi or +(pi - 355/113) < 0.001:
print "Close enough"
print "lower" if 355/113 < pi else "higher"
+ print "higher" if 355/113 > pi else "lower"
if pi > 3 then print "pi exceeds three"; else print "need more pie"
if (pi < 3) { print "not enough pi" } else { print "pi sufficient" }
else
print 'larger'
+ // different parsing options
+ for {
+ x:=1; sum := 0
+ } then {
+ x = x + 1
+ } while {
+ use x < 10
+ } do {
+ sum = sum + x
+ } case 1 {
+ print "impossible"
+ }
+
###### output: cond_loop
Success
1 2 4 8 16 32 64
I won't calculate 20 / 9
Close enough
higher
+ higher
pi exceeds three
pi sufficient
sum 1..10 is 55
###### test: sayhello
- func main(av:[ac::number]string)
+ func main(av:[]string)
A := $av[1]; B := $av[2]
astr := av[3]
- bbool := av[ac-1] == "True"
+ l := av[]
+ bbool := av[l-1] == "True"
print "Hello World, what lovely oceans you have!"
/* When a variable is defined in both branches of an 'if',
* and used afterwards, the variables are merged.
while
mid := (lo + hi) / 2
if mid == target:
- use Found
+ use .Found
if mid < target:
lo = mid
else
hi = mid
if hi - lo < 1:
lo = mid
- use GiveUp
+ use .GiveUp
use True
do pass
- case Found:
+ case .Found:
print "Yay, I found", target
- case GiveUp:
+ case .GiveUp:
print "Closest I found was", lo
###### output: sayhello,55,33,hello,True
const three ::= 3
struct foo
size:[three]number
- name:string
+ name:string = "Hello"
thing:baz
active:Boolean = True
struct baz { a:number; b:Boolean; }
+ struct bat {
+ a:string
+ b:Boolean
+ }
+ struct bat2 a:string; b:Boolean
func main
do
for i:=0; then i=i+1; while i < 4:
print info[i].name, info[i].active, info[i].size[0]
info[0].thing.b = True
+ x:bat
+ x.a = "Hello"
###### output: structs
angular := to_polar(32, 23)
print angular.rho, angular.theta
+ func test2(n:number; s:string;) : (ret:number)
+ ret = n + $s
+
+ func random
+ return
+ n:number
+ do
+ n = 4 // xkcd:221
+
+ // exercise the parsing options
+ func t1 (a:number) {
+ print "t1"
+ }
+ func t2 (a:string) {print "string"}
+ func t3() print "t3"
+
###### output: functions
done
1 done
double 1 is 2
double -2 is -4
+## References
+
+A simple linked list example
+
+###### test list
+ oceani_tests += "linked_list,one,two,three,four"
+
+###### test: linked_list
+
+ struct linkage
+ next: @node
+ struct node
+ list: linkage
+ this: string
+
+ func insert(list:@linkage; new:string)
+ p:=list
+ while ?p.next and p.next.this < new:
+ p = p.next.list
+ t:@node = @new()
+ t.list.next = p.next
+ t.this = new
+ p.next = t;
+
+ func printlist(list:@linkage)
+ while ?list.next:
+ print list@.next.this
+ list = list@.next.list
+
+ func freelist(list:@linkage)
+ if list.next != @nil:
+ lp:@linkage = list.next.list
+ freelist(lp)
+ @free = list.next
+
+ func main(argv:[]string)
+ list : linkage
+
+ insert(list, "@start");
+ insert(list, "~end")
+ for i:=1; then i=i+1; while i < argv[]:
+ insert(list, argv[i])
+ insert(list, "Hello!")
+ printlist(list)
+ freelist(list)
+
+###### output: linked_list,one,two,three,four
+ @start
+ Hello!
+ four
+ one
+ three
+ two
+ ~end
+
## Test code with syntax errors
Syntax errors aren't handled well yet - the result is almost always a
various places that `type_err()` are called.
###### test list
- oceani_failing_tests += type_err1 type_err2 type_err3 type_err4 type_err5
+ oceani_failing_tests += type_err1 type_err2 type_err3 type_err4 type_err5 type_err6
###### test: type_err1
func main()
print "hello" ++ 5, 5 ++ "hello"
-
+ hello := "there"; print 4+hello
b ::= 3
b = b + 1
if 3 * 4 and not True: print "Weird"
+ d:number = .fred
+ (d + b) = 12
###### output: type_err1
.tmp.code:3:25: error: expected string found number
.tmp.code:3:28: error: expected string found number
- .tmp.code:6:8: error: Cannot assign to a constant: b
- .tmp.code:5:8: info: name was defined as a constant here
+ .tmp.code:4:34: error: expected number but variable 'hello' is string
+ .tmp.code:4:8: info: this is where 'hello' was set to string
.tmp.code:6:8: error: Cannot assign to a constant: b
.tmp.code:5:8: info: name was defined as a constant here
.tmp.code:8:11: error: Arithmetic returns number but Boolean expected
+ .tmp.code:9:20: error: expected number found label
+ .tmp.code:9:8: info: variable 'd' was set as number here.
+ .tmp.code:10:8: error: cannot assign to an rval
oceani: type error in program - not running.
###### test: type_err2
a:number = 4
a ::number = 5
c:
+ d:number = 02
###### output: type_err2
.tmp.code:4:8: error: variable 'a' redeclared
.tmp.code:7:8: error: variable 'a' redeclared
.tmp.code:3:8: info: this is where 'a' was first declared
.tmp.code:8:8: Variable declared with no type or value: c
+ .tmp.code:9:19: error: unsupported number format: 02
###### test: type_err3
struct foo
a: number
- b:string = "hello"
+ b:string = "hello"; d:Boolean
func main()
c := "hello"
while 1 if True else False:
print
case 2: print "two"
+ print "one" ++ a4[], c[]
+
+ x:Boolean = $"42"
+
+ five ::= 5
+ four ::= 4
+ x1:[five]number
+ x2:[four]number
+ x1 = x2
###### output: type_err3
.tmp.code:8:12: error: expected number but variable 'c' is string
.tmp.code:8:12: error: Arithmetic returns number but string expected
.tmp.code:7:8: info: variable 'c' was set as string here.
.tmp.code:9:24: error: Boolean operation found where string expected
+ .tmp.code:7:8: info: variable 'c' was set as string here.
.tmp.code:10:12: error: Comparison returns Boolean but string expected
.tmp.code:7:8: info: variable 'c' was set as string here.
.tmp.code:11:21: error: Concat returns string but number expected
.tmp.code:25:13: error: expected [5]number but variable 'a3' is [10]number
.tmp.code:23:36: info: this is where 'a3' was set to [10]number
.tmp.code:25:8: error: cannot assign value of type [5]number
+ .tmp.code:23:8: info: variable 'a1' was set as [5]number here.
.tmp.code:26:13: error: expected [5]number but variable 'a4' is [5]string
.tmp.code:23:51: info: this is where 'a4' was set to [5]string
.tmp.code:26:8: error: cannot assign value of type [5]number
+ .tmp.code:23:8: info: variable 'a1' was set as [5]number here.
.tmp.code:27:16: error: expected number found string
.tmp.code:28:16: error: expected string found Boolean
.tmp.code:29:12: error: have number but need string
.tmp.code:7:8: info: variable 'c' was set as string here.
.tmp.code:32:8: error: variable used but not declared: foo
- .tmp.code:32:8: error: field reference attempted on none, not a struct
+ .tmp.code:32:8: error: field reference on none is not supported
.tmp.code:32:16: error: expected none found number
- .tmp.code:33:14: error: field reference attempted on string, not a struct
+ .tmp.code:33:14: error: field reference on string is not supported
.tmp.code:34:14: error: cannot find requested field in foo
.tmp.code:35:17: error: have string but need number
- .tmp.code:38:29: error: expected number (labels not permitted) found Boolean
+ .tmp.code:38:29: error: expected number found Boolean
+ .tmp.code:41:23: error: have number but need string
+ .tmp.code:41:29: error: string cannot provide length
+ .tmp.code:43:21: error: Can only convert string to number, not Boolean
+ .tmp.code:43:8: info: variable 'x' was set as Boolean here.
+ .tmp.code:49:13: error: expected [five]number but variable 'x2' is [four]number
+ .tmp.code:48:8: info: this is where 'x2' was set to [four]number
+ .tmp.code:49:8: error: cannot assign value of type [five]number
+ .tmp.code:47:8: info: variable 'x1' was set as [five]number here.
oceani: type error in program - not running.
###### test: type_err4
b:string
struct foo
c:number
+ x:[5]:string
###### output: type_err5
.tmp.code:8:7: error: type already declared: foo
- .tmp.code:2:7: info: this is location of declartion: foo
- .tmp.code:2:7: error: type has recursive definition: foo
+ .tmp.code:2:7: info: this is location of declaration: foo
+ .tmp.code:10:13: Syntax error in struct field: :
.tmp.code:5:7: error: type has recursive definition: baz
+ .tmp.code:2:7: error: type has recursive definition: foo
+
+###### test: type_err6
+
+ func main()
+ a:= "hello"
+ if ?a:
+ print "no"
+ print a ?? "there"
+
+###### output: type_err6
+ .tmp.code:4:12: error: '?' requires a testable value, not string
+ .tmp.code:6:14: error: "??" requires a testable value, not string
+ oceani: type error in program - not running.
+
###### test list
oceani_failing_tests += type_err_const type_err_const1 type_err_const2 missing_program bad_main
print foo
###### output: bad_main
- .tmp.code:??:??: error: expected []string but variable 'foo' is string
- .tmp.code:??:??: info: this is where 'NOTVAR' was set to string
+ .tmp.code:2:10: error: expected []string but variable 'foo' is string
+ .tmp.code:2:10: info: this is where 'foo' was set to string
oceani: main has wrong type.
Test for type errors with functions
b.a = a
use b
+ func test7(a:@number)
+ test7(45)
+ test7("45")
+
###### output: func_err_args
+ .tmp.code:40:14: error: cannot pass rval when reference expected
+ .tmp.code:41:14: error: expected @number found string
.tmp.code:34:5: error: function cannot return value of type foo
- .tmp.code:28:14: error: expected string, found none
+ .tmp.code:28:8: error: expected string, found none
.tmp.code:25:8: error: expected string, found number
.tmp.code:15:14: error: insufficient arguments to function.
.tmp.code:16:14: error: expected number found string
.tmp.code:20:14: error: attempt to call a non-function.
.tmp.code:20:32: error: expected string found number
.tmp.code:20:28: error: insufficient arguments to function.
- .tmp.code:21:20: error: expected *invalid*type* but variable 'test2' is *invalid*type*
- .tmp.code:??:??: info: this is where 'NOTVAR' was set to *invalid*type*
+ .tmp.code:21:20: error: expected "func test1" but variable 'test2' is "func test2"
+ .tmp.code:5:5: info: this is where 'test2' was set to "func test2"
.tmp.code:10:14: error: variable used but not declared: a
.tmp.code:10:17: error: variable used but not declared: z
oceani: type error in program - not running.
.tmp.code:9:5: error: function 'test1' redeclared
.tmp.code:2:5: info: this is where 'test1' was first declared
+Test for errors with references
+
+###### test list
+ oceani_failing_tests += ref_err1 ref_err2
+
+###### test: ref_err1
+ func main()
+ ref:@number
+ @foo = ref
+ ref = @old()
+ if ref == @null:
+ print "null"
+
+###### output: ref_err1
+ .tmp.code:4:9: error: only "@free" makes sense here: foo
+ .tmp.code:5:15: error: Only reference function is "@new()": old
+ .tmp.code:6:19: error: Only reference value is "@nil": null
+
+###### test: ref_err2
+ func main()
+ ref:@number
+ ref2:@string
+ num:number = @new()
+ print num@
+ if num == @nil or ref == ref2 or ref == 2 or ref.foo:
+ @free = num
+ ref = 1
+
+###### output: ref_err2
+ .tmp.code:5:22: error: @new() can only be used with references, not number
+ .tmp.code:5:8: info: variable 'num' was set as number here.
+ .tmp.code:6:14: error: Cannot dereference number
+ .tmp.code:7:19: error: @nil can only be used with reference, not number
+ .tmp.code:7:33: error: expected @number but variable 'ref2' is @string
+ .tmp.code:4:8: info: this is where 'ref2' was set to @string
+ .tmp.code:7:48: error: expected @number found number
+ .tmp.code:7:53: error: field reference on number is not supported
+ .tmp.code:7:56: error: have none but need Boolean
+ .tmp.code:8:17: error: @free can only be assigned a reference, not number
+ .tmp.code:8:17: error: @free can only be assigned a reference, not number
+ .tmp.code:9:8: error: Cannot assign an rval to a reference.
+ oceani: type error in program - not running.
+
## Test erroneous command line args
To improve coverage, we want to test correct handling of strange command
code / ocean / blobdiff