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ctags/SOURCES/ctags-5.8-ocaml-crash.patch

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diff -up ctags-5.8/ocaml.c.me ctags-5.8/ocaml.c
--- ctags-5.8/ocaml.c.me 2012-08-02 12:42:21.652211192 +0200
+++ ctags-5.8/ocaml.c 2012-08-02 13:06:59.751283639 +0200
@@ -72,6 +72,7 @@ typedef enum {
OcaKEYWORD_if,
OcaKEYWORD_in,
OcaKEYWORD_let,
+ OcaKEYWORD_value,
OcaKEYWORD_match,
OcaKEYWORD_method,
OcaKEYWORD_module,
@@ -145,7 +146,7 @@ static const ocaKeywordDesc OcamlKeyword
{ "try" , OcaKEYWORD_try },
{ "type" , OcaKEYWORD_type },
{ "val" , OcaKEYWORD_val },
- { "value" , OcaKEYWORD_let }, /* just to handle revised syntax */
+ { "value" , OcaKEYWORD_value }, /* just to handle revised syntax */
{ "virtual" , OcaKEYWORD_virtual },
{ "while" , OcaKEYWORD_while },
{ "with" , OcaKEYWORD_with },
@@ -297,7 +298,6 @@ static void eatComment (lexingState * st
if (st->cp == NULL)
return;
c = st->cp;
- continue;
}
/* we've reached the end of the comment */
else if (*c == ')' && lastIsStar)
@@ -308,13 +308,33 @@ static void eatComment (lexingState * st
{
st->cp = c;
eatComment (st);
+
c = st->cp;
+ if (c == NULL)
+ return;
+
lastIsStar = FALSE;
+ c++;
}
+ /* OCaml has a rule which says :
+ *
+ * "Comments do not occur inside string or character literals.
+ * Nested comments are handled correctly."
+ *
+ * So if we encounter a string beginning, we must parse it to
+ * get a good comment nesting (bug ID: 3117537)
+ */
+ else if (*c == '"')
+ {
+ st->cp = c;
+ eatString (st);
+ c = st->cp;
+ }
else
+ {
lastIsStar = '*' == *c;
-
- c++;
+ c++;
+ }
}
st->cp = c;
@@ -554,8 +574,7 @@ static int getLastNamedIndex ( void )
for (i = stackIndex - 1; i >= 0; --i)
{
- if (stack[i].contextName->buffer &&
- strlen (stack[i].contextName->buffer) > 0)
+ if (vStringLength (stack[i].contextName) > 0)
{
return i;
}
@@ -866,6 +885,11 @@ static void prepareTag (tagEntryInfo * t
tag->kindName = OcamlKinds[kind].name;
tag->kind = OcamlKinds[kind].letter;
+ if (kind == K_MODULE)
+ {
+ tag->lineNumberEntry = TRUE;
+ tag->lineNumber = 1;
+ }
parentIndex = getLastNamedIndex ();
if (parentIndex >= 0)
{
@@ -880,9 +904,12 @@ static void prepareTag (tagEntryInfo * t
* more information to it in the future */
static void addTag (vString * const ident, int kind)
{
- tagEntryInfo toCreate;
- prepareTag (&toCreate, ident, kind);
- makeTagEntry (&toCreate);
+ if (OcamlKinds [kind].enabled && ident != NULL && vStringLength (ident) > 0)
+ {
+ tagEntryInfo toCreate;
+ prepareTag (&toCreate, ident, kind);
+ makeTagEntry (&toCreate);
+ }
}
boolean needStrongPoping = FALSE;
@@ -942,15 +969,17 @@ static void typeRecord (vString * const
}
/* handle :
- * exception ExceptionName ... */
+ * exception ExceptionName of ... */
static void exceptionDecl (vString * const ident, ocaToken what)
{
if (what == OcaIDENTIFIER)
{
addTag (ident, K_EXCEPTION);
}
- /* don't know what to do on else... */
-
+ else /* probably ill-formed, give back to global scope */
+ {
+ globalScope (ident, what);
+ }
toDoNext = &globalScope;
}
@@ -1006,7 +1035,6 @@ static void constructorValidation (vStri
*/
static void typeDecl (vString * const ident, ocaToken what)
{
-
switch (what)
{
/* parameterized */
@@ -1046,7 +1074,6 @@ static void typeDecl (vString * const id
* let typeRecord handle it. */
static void typeSpecification (vString * const ident, ocaToken what)
{
-
switch (what)
{
case OcaIDENTIFIER:
@@ -1243,8 +1270,14 @@ static void localLet (vString * const id
* than the let definitions.
* Used after a match ... with, or a function ... or fun ...
* because their syntax is similar. */
-static void matchPattern (vString * const UNUSED (ident), ocaToken what)
+static void matchPattern (vString * const ident, ocaToken what)
{
+ /* keep track of [], as it
+ * can be used in patterns and can
+ * mean the end of match expression in
+ * revised syntax */
+ static int braceCount = 0;
+
switch (what)
{
case Tok_To:
@@ -1252,6 +1285,14 @@ static void matchPattern (vString * cons
toDoNext = &mayRedeclare;
break;
+ case Tok_BRL:
+ braceCount++;
+ break;
+
+ case OcaKEYWORD_value:
+ popLastNamed ();
+ globalScope (ident, what);
+ break;
case OcaKEYWORD_in:
popLastNamed ();
@@ -1269,6 +1310,11 @@ static void mayRedeclare (vString * cons
{
switch (what)
{
+ case OcaKEYWORD_value:
+ /* let globalScope handle it */
+ globalScope (ident, what);
+ break;
+
case OcaKEYWORD_let:
case OcaKEYWORD_val:
toDoNext = localLet;
@@ -1388,6 +1434,7 @@ static void classSpecif (vString * const
* nearly a copy/paste of globalLet. */
static void methodDecl (vString * const ident, ocaToken what)
{
+
switch (what)
{
case Tok_PARL:
@@ -1435,6 +1482,7 @@ vString *lastModule;
*/
static void moduleSpecif (vString * const ident, ocaToken what)
{
+
switch (what)
{
case OcaKEYWORD_functor:
@@ -1566,7 +1614,7 @@ static void globalScope (vString * const
{
/* Do not touch, this is used only by the global scope
* to handle an 'and' */
- static parseNext previousParser = NULL;
+ static parseNext previousParser = &globalScope;
switch (what)
{
@@ -1608,6 +1656,7 @@ static void globalScope (vString * const
/* val is mixed with let as global
* to be able to handle mli & new syntax */
case OcaKEYWORD_val:
+ case OcaKEYWORD_value:
case OcaKEYWORD_let:
cleanupPreviousParser ();
toDoNext = &globalLet;
@@ -1617,7 +1666,7 @@ static void globalScope (vString * const
case OcaKEYWORD_exception:
cleanupPreviousParser ();
toDoNext = &exceptionDecl;
- previousParser = NULL;
+ previousParser = &globalScope;
break;
/* must be a #line directive, discard the
@@ -1769,7 +1818,7 @@ static void computeModuleName ( void )
if (isLowerAlpha (moduleName->buffer[0]))
moduleName->buffer[0] += ('A' - 'a');
- makeSimpleTag (moduleName, OcamlKinds, K_MODULE);
+ addTag (moduleName, K_MODULE);
vStringDelete (moduleName);
}
@@ -1779,6 +1828,7 @@ static void initStack ( void )
int i;
for (i = 0; i < OCAML_MAX_STACK_SIZE; ++i)
stack[i].contextName = vStringNew ();
+ stackIndex = 0;
}
static void clearStack ( void )
@@ -1794,8 +1844,8 @@ static void findOcamlTags (void)
lexingState st;
ocaToken tok;
- computeModuleName ();
initStack ();
+ computeModuleName ();
tempIdent = vStringNew ();
lastModule = vStringNew ();
lastClass = vStringNew ();
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