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58 Commits

Author SHA1 Message Date
Chris Lattner
a966bf6ebf fix a variable shadowing issue that caused us to misparse: 
void B() {
  memcpy (3, 2, 1);
}

where memcpy is undeclared.

llvm-svn: 39198
 2006-11-21 01:40:01 +00:00
Chris Lattner
ac18be9ad2 Add support for C90 implicitly defined functions, e.g.: 
int A() {
  return X();
}

llvm-svn: 39194
 2006-11-20 06:49:47 +00:00
Chris Lattner
17ed487947 parse identifier expressions properly. This allows us diagnose this: 
typedef int X;

int A() {
  return X;
}

int B() {
  return Y;
}

as:

/Users/sabre/test.c:5:10: error: unexpected type name 'X': expected expression
return X;
       ^
/Users/sabre/test.c:9:10: error: use of undeclared 'Y' value
return Y;
       ^

llvm-svn: 39192
 2006-11-20 04:58:19 +00:00
Chris Lattner
08f2791bdc update comment 
llvm-svn: 39151
 2006-11-09 06:34:47 +00:00
Chris Lattner
697e5d692b Change courses on how we do semantic analysis. Semantic analysis 
fundamentally requires having an AST around, so move all sema to the
AST library.  This is the first step, later steps will be needed to
clean up libast.

llvm-svn: 39150
 2006-11-09 06:32:27 +00:00
Chris Lattner
3503cefbba split ParseStringExpr into semantic/minimal actions 
llvm-svn: 39147
 2006-11-08 06:03:59 +00:00
Chris Lattner
7ad0fbe1f2 rename a bunch of files for better consistency 
llvm-svn: 39126
 2006-11-05 07:46:30 +00:00
Chris Lattner
eb2feefb46 implement some todo's: invoke the actions module for identifiers leading 
expressions in stmt contexts.

llvm-svn: 39112
 2006-11-04 19:14:32 +00:00
Chris Lattner
834618de6f replace some ugly alloca/malloc code with a couple of SmallString's. 
llvm-svn: 39103
 2006-11-03 07:48:41 +00:00
Chris Lattner
9916c5ca7e Remove GNU C++ min/max operator extension support, they have been removed 
from gcc mainline.

llvm-svn: 39067
 2006-10-27 05:24:37 +00:00
Chris Lattner
ae31969ad2 Finish removing LexerToken from actions interface 
llvm-svn: 39044
 2006-10-25 03:49:28 +00:00
Chris Lattner
0ba3dc4ec3 Start removing LexerToken from the actions interface. 
llvm-svn: 39043
 2006-10-25 03:38:23 +00:00
Chris Lattner
4daa077a5c accept the __extension__ prefix expr 
llvm-svn: 39018
 2006-10-20 05:03:44 +00:00
Chris Lattner
04132371bb Make ConsumeFoo methods return the location of the consumed token. 
llvm-svn: 38995
 2006-10-16 06:12:55 +00:00
Chris Lattner
af63531ac3 Make ConsumeToken return the loc of the consumed token to simplify clients 
llvm-svn: 38994
 2006-10-16 06:06:51 +00:00
Chris Lattner
14a1b64418 create an ast node for &&label 
llvm-svn: 38989
 2006-10-15 22:33:58 +00:00
Chris Lattner
02dffbda3b Write up TargetInfo so that use of wchar_t strings results in a warning if 
used in a target set where the size is not identical.

llvm-svn: 38975
 2006-10-14 07:50:21 +00:00
Chris Lattner
b5600a6aa8 Parse ?:'s right 
llvm-svn: 38961
 2006-10-06 05:40:05 +00:00
Chris Lattner
d3e9895b9a Initial support for semantic analysis and AST building for StringExpr nodes. 
llvm-svn: 38960
 2006-10-06 05:22:26 +00:00
Chris Lattner
26da7302ce Build AST's for sizeof/alignof with type operands. 
llvm-svn: 38951
 2006-08-24 06:49:19 +00:00
Chris Lattner
e550a4ea12 Build CastExpr AST nodes 
llvm-svn: 38950
 2006-08-24 06:37:51 +00:00
Chris Lattner
26115acb1c Build AST's for sizeof/alignof an expr. 
llvm-svn: 38949
 2006-08-24 06:10:04 +00:00
Chris Lattner
6f3a117f81 switch MemberExpr to holding a field decl instead of a raw identifier. 
llvm-svn: 38948
 2006-08-24 05:19:28 +00:00
Chris Lattner
879b9ad083 Add initial support for simple-primary exprs, including DeclExprs. 
llvm-svn: 38944
 2006-08-24 04:53:44 +00:00
Chris Lattner
e165d944c2 Add AST nodes for array, call, . and ->. 
llvm-svn: 38943
 2006-08-24 04:40:38 +00:00
Chris Lattner
6d28d9b428 Invoke actions for postfix exprs 
llvm-svn: 38942
 2006-08-24 03:51:22 +00:00
Chris Lattner
1b92649857 Add AST nodes and actions for paren exprs and simple unary ops. 
llvm-svn: 38940
 2006-08-23 06:42:10 +00:00
Chris Lattner
9b6d4cb90e Add (basic) expression AST representation capabilities for int/fp/binops/condexpr. 
Add callbacks for same.
Add "full locinfo" mode.

llvm-svn: 38939
 2006-08-23 05:17:46 +00:00
Chris Lattner
04f8019616 Make MatchRHSPunctuation smarter, allowing its clients to be simpler. 
llvm-svn: 38926
 2006-08-15 04:55:54 +00:00
Chris Lattner
6d7e634399 Parse asm specifiers on init declarators. Add __builtin_va_list to the 
symbol table at startup time.

llvm-svn: 38922
 2006-08-15 03:41:14 +00:00
Chris Lattner
8693a519d4 Implement initializer parsering. 
llvm-svn: 38900
 2006-08-13 21:54:02 +00:00
Chris Lattner
3b561a3b39 Implement parsing of enum-specifiers. 
llvm-svn: 38896
 2006-08-13 00:12:11 +00:00
Chris Lattner
0be454e182 Use ExpectAndConsume more 
llvm-svn: 38895
 2006-08-12 19:30:51 +00:00
Chris Lattner
dbb2a46915 Add a new ExpectAndConsume method to make parsing easier, and add a new 
ConsumeAnyToken method.

llvm-svn: 38894
 2006-08-12 19:26:13 +00:00
Chris Lattner
1112435558 Parse the GNU builtin expressions. This implements Parser/expressions.c:test_offsetof 
llvm-svn: 38893
 2006-08-12 19:16:08 +00:00
Chris Lattner
6259172911 Implement parsing of array declarators like: 
int Array[*(int*)P+A];

llvm-svn: 38890
 2006-08-12 18:40:58 +00:00
Chris Lattner
0c6c034c48 Two fixes: 
1. Allow argument list of a call to be empty.
2. Handle expressions in a statement context that start with an identifier.
   These are nasty to handle due to the 'label:' production which requires
   having two tokens of look-ahead, or by having tricky code (which we
   choose to do).

llvm-svn: 38887
 2006-08-12 18:12:45 +00:00
Chris Lattner
20c6a45a3c Split postfix-expression suffix handling out into ParsePostfixExpressionSuffix 
for future use.

llvm-svn: 38885
 2006-08-12 17:40:43 +00:00
Chris Lattner
ce7e21da7a Implement ParseAssignmentExpression correctly 
llvm-svn: 38884
 2006-08-12 17:22:40 +00:00
Chris Lattner
3af6b8b9dc remove bogus fixme 
llvm-svn: 38883
 2006-08-12 17:21:27 +00:00
Chris Lattner
89d53752f5 Fix parsing of assignment expressions and handling of right-associative 
things.

llvm-svn: 38881
 2006-08-12 17:18:19 +00:00
Chris Lattner
96c3deb53d Simplify handling of the ternary operator even more. Now it just looks like 
any average right-associative operator to most of the code.

llvm-svn: 38880
 2006-08-12 17:13:08 +00:00
Chris Lattner
d35c34f44d Fix incorrect parsing of the ?: middle term, which is supposed to be 
parsed as 'expression'.  This implements test/Parser/statements.c

llvm-svn: 38879
 2006-08-12 17:04:50 +00:00
Chris Lattner
6c3f05d1d2 Diagnose use of compound literals in C90 code 
llvm-svn: 38876
 2006-08-12 16:54:25 +00:00
Chris Lattner
b7f1fc95d3 cleanups, better comments. 
llvm-svn: 38875
 2006-08-12 16:45:01 +00:00
Chris Lattner
cde626ae9b Implement a first cut at binary expression parsing using a simple operator 
precedence-based parser.

llvm-svn: 38874
 2006-08-12 08:13:25 +00:00
Chris Lattner
89c50c65af Return information about whether expression parsing was successful 
llvm-svn: 38873
 2006-08-11 06:41:18 +00:00
Chris Lattner
81b576ee0d Merge ParsePostfixExpression into ParseCastExpression. This allows us to 
implement support for compound literals followed by postfix-expr suffixes,
such as:
(struct{ int a;}){ 1}.a

llvm-svn: 38871
 2006-08-11 02:13:20 +00:00
Chris Lattner
eaf06598ea Merge ParseUnaryExpression and ParseCastExpression. 
llvm-svn: 38869
 2006-08-11 02:02:23 +00:00
Chris Lattner
a092cd1f1b Implement parsing of casts, implementing Parser/statements.c:test6 
llvm-svn: 38868
 2006-08-11 01:38:28 +00:00