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Finishing touches on code generation for @try and friends. 

- declare functions we use.
- cast arguments to objc_exception_match().
- don't take the & of _stack.buf.

llvm-svn: 43831
This commit is contained in:
Steve Naroff 2007-11-07 18:43:40 +00:00
parent 1299a92327
commit 1601858de5
1 changed files with 13 additions and 6 deletions
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19
clang/Driver/RewriteTest.cpp
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@ -57,11 +57,18 @@ namespace {
Rewrite.setSourceMgr(Context->SourceMgr);
// declaring objc_selector outside the parameter list removes a silly
// scope related warning...
const char *s = "struct objc_selector;\n"
const char *s = "struct objc_selector; struct objc_class;\n"
"extern struct objc_object *objc_msgSend"
"(struct objc_object *, struct objc_selector *, ...);\n"
"extern struct objc_object *objc_getClass"
"(const char *);\n";
"(const char *);\n"
"extern void objc_exception_throw(struct objc_object *);\n"
"extern void objc_exception_try_enter(void *);\n"
"extern void objc_exception_try_exit(void *);\n"
"extern struct objc_object *objc_exception_extract(void *);\n"
"extern int objc_exception_match"
"(struct objc_class *, struct objc_object *, ...);\n";
Rewrite.InsertText(SourceLocation::getFileLoc(mainFileID, 0),
s, strlen(s));
}
@ -455,7 +462,7 @@ Stmt *RewriteTest::RewriteObjcTryStmt(ObjcAtTryStmt *S) {
buf += "char *pointers[4];} _stack;\n";
buf += "id volatile _rethrow = 0;\n";
buf += "objc_exception_try_enter(&_stack);\n";
buf += "if (!_setjmp(&_stack.buf)) /* @try block continue */\n";
buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n";
Rewrite.ReplaceText(startLoc, 4, buf.c_str(), buf.size());
@ -470,7 +477,7 @@ Stmt *RewriteTest::RewriteObjcTryStmt(ObjcAtTryStmt *S) {
buf = " /* @catch begin */ else {\n";
buf += " id _caught = objc_exception_extract(&_stack);\n";
buf += " objc_exception_try_enter (&_stack);\n";
buf += " if (_setjmp(&_stack.buf))\n";
buf += " if (_setjmp(_stack.buf))\n";
buf += " _rethrow = objc_exception_extract(&_stack);\n";
buf += " else { /* @catch continue */";
@ -505,9 +512,9 @@ Stmt *RewriteTest::RewriteObjcTryStmt(ObjcAtTryStmt *S) {
cls = dyn_cast<ObjcInterfaceType>(pType->getPointeeType().getTypePtr());
if (cls) {
buf += "objc_exception_match(objc_getClass(\"";
buf += "objc_exception_match((struct objc_class *)objc_getClass(\"";
buf += cls->getDecl()->getName();
buf += "\"), _caught)) { ";
buf += "\"), (struct objc_object *)_caught)) { ";
Rewrite.ReplaceText(startLoc, lParenLoc-startBuf+1,
buf.c_str(), buf.size());
}