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711 Commits

Author SHA1 Message Date
Chris Lattner ff65b6bc85 Unstack identifiers more carefully when poping scope. Add assertion to catch the bad 
case and handle identifiers in the same namespace correctly.  This implements
test/Parser/c-namespace.c

llvm-svn: 39272
 2007-01-23 01:33:16 +00:00
Chris Lattner d0ee402a43 Make name lookup properly obey C namespaces, simplify decl construction byeliminating the 'next' pointer from the ctor, and add initial support forparsing struct/union tags. 
llvm-svn: 39266
 2007-01-22 07:39:30 +00:00
Chris Lattner 18b196282f Make name lookup properly obey C namespaces, simplify decl construction by 
eliminating the 'next' pointer from the ctor, and add initial support for
parsing struct/union tags.

llvm-svn: 39265
 2007-01-22 07:39:13 +00:00
Chris Lattner ec040b1d89 make Decl::getName() not crash if the decl is unnamed (e.g. an unnamed argument) 
llvm-svn: 39260
 2007-01-21 23:09:50 +00:00
Chris Lattner 99d3177103 Change scopes to maintain decls, not identifiers. 
Detect and emit errors when names are redefined in the same scope, e.g.
test/Parser/argument_redef.c, which now emits:

argument_redef.c:4:22: error: redefinition of 'A'
int foo(int A) { int A; }
                     ^
argument_redef.c:4:13: error: previous definition is here
int foo(int A) { int A; }
            ^

llvm-svn: 39257
 2007-01-21 22:37:37 +00:00
Chris Lattner f61c8a805d Handle C99 6.7.5.3p10, fixing test/Parser/attributes.c 
llvm-svn: 39256
 2007-01-21 19:04:43 +00:00
Chris Lattner 8f5bf2f233 avoid allocating memory for empty arg lists 
llvm-svn: 39255
 2007-01-21 19:04:10 +00:00
Chris Lattner c5cdf4d092 Next big step in function parsing: create decl objects for parameters, 
inserting them into the function body scope and registering them with the
corresponding FunctionDecl.

llvm-svn: 39253
 2007-01-21 07:42:07 +00:00
Chris Lattner 29375654b6 Add support for parsing and pretty printing const_cast, dynamic_cast, 
reinterpret_cast, and static_cast.  Patch by Bill!

llvm-svn: 39247
 2006-12-04 18:06:35 +00:00
Chris Lattner 2114d5e948 add some comments 
llvm-svn: 39242
 2006-12-04 07:40:24 +00:00
Chris Lattner 5c5fbccc96 Scrutinize K&R parameter declarations. This implements C99 6.9.1p6, correctly 
diagnosing malformed K&R function definitions.

llvm-svn: 39241
 2006-12-03 08:41:30 +00:00
Chris Lattner 0d89d5a638 Enforce C99 6.7.5.3p3, rejecting code like: 
void foo(void (*q)(a,b,c)) {}

llvm-svn: 39240
 2006-12-03 07:14:39 +00:00
Chris Lattner 969ca15b41 Diagnose errors like: 
void bar(int X, int X);

void blah(X, Y, X) int X, Y; {}

llvm-svn: 39239
 2006-12-03 06:29:03 +00:00
Chris Lattner 53e776c1e4 reject int(const void). 
llvm-svn: 39238
 2006-12-03 03:07:05 +00:00
Chris Lattner 726f97b435 implement a fixme: make BuiltinType have an enum, specifying which type it is, 
instead of having a string.

llvm-svn: 39237
 2006-12-03 02:57:32 +00:00
Chris Lattner c81f079d7e move void argument checking from the parser to the semantic analysis stage. 
This allows us to handle typedefs of void correctly.  This implements
clang/test/Sema/void_arg.c

llvm-svn: 39236
 2006-12-03 02:43:54 +00:00
Chris Lattner d2e97c1f80 Handle void correctly in the argument list for a function. For: 
X = sizeof(int (void a));
  X = sizeof(int (int, void));
  X = sizeof(int (void, ...));

We now emit:

t.c:6:24: error: void argument may not have a name
  X = sizeof(int (void a));
                       ^
t.c:7:24: error: 'void' must be the first and only parameter if specified
  X = sizeof(int (int, void));
                       ^
t.c:8:19: error: 'void' must be the first and only parameter if specified
  X = sizeof(int (void, ...));
                  ^


And we pretty print this correctly (even though void isn't stored in the
arg list of the function type):
  X = sizeof(int (void));


However, this approach will have to change to handle typedefs of void.

llvm-svn: 39235
 2006-12-03 02:03:33 +00:00
Chris Lattner c6ad8131dd implement AST representation for function types with and without a prototype. 
This lets us pretty print stuff like this:

void foo() {
  int X;
  X = sizeof(void (*(*)())());
  X = sizeof(int(*)(int, float, ...));
  X = sizeof(void (*(int arga, void (*argb)(double Y)))(void* Z));

as:

  X = sizeof(void (*(*)())())
  X = sizeof(int (*)(int, float, ...))
  X = sizeof(void (*(int, void (*)(double)))(void *))

Ah the wonders of 'modern' C syntax!

llvm-svn: 39232
 2006-12-02 07:52:18 +00:00
Chris Lattner 216d8654fd implement ParseParamDeclaratorType in the ast builder 
llvm-svn: 39231
 2006-12-02 06:47:41 +00:00
Chris Lattner cbc426d4f7 Next step of retaining information about function prototypes: actually retain 
the info.  Also, call Actions.ParseParamDeclaratorType instead of
Actions.ParseDeclarator for parameter type lists: we don't want declaration
objects created when parsing a function declarator, we just want type info.

llvm-svn: 39230
 2006-12-02 06:43:02 +00:00
Chris Lattner edc9e39d88 First step towards accurately retaining information about function 
parameters: build an array of ParamInfo structures and pass it to the
declarator for safe keeping (it owns the list).

Next step: actually populate the arg array with useful stuff.

llvm-svn: 39229
 2006-12-02 06:21:46 +00:00
Chris Lattner b20e89449f capture sourcelocation info for type specifiers. This improves diagnostics 
for things like 'short _Complex'.

llvm-svn: 39227
 2006-11-28 05:30:29 +00:00
Chris Lattner 353f5740b1 Finish converting DeclSpec to use accessors. 
llvm-svn: 39223
 2006-11-28 04:50:12 +00:00
Chris Lattner a925dc66e4 Convert more code to use DeclSpec accessors 
llvm-svn: 39222
 2006-11-28 04:33:46 +00:00
Chris Lattner f055d43211 add accessors to DeclSpec, start moving clients over to use them. 
llvm-svn: 39221
 2006-11-28 04:28:12 +00:00
Chris Lattner 740b2f30c7 When a decl is popped from its current scope, link it to the decl chain for 
the containing function.  This avoids leaking decls.

llvm-svn: 39197
 2006-11-21 01:32:20 +00:00
Chris Lattner 229ce60fc9 split the ParseFunctionDefinition action into two actions, one which is 
called before and one which is called after function definition parsing.

llvm-svn: 39196
 2006-11-21 01:21:07 +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 5efbb33a6b remember referenced decls in our AST's 
llvm-svn: 39193
 2006-11-20 05:01:40 +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 0d8b1a1eff remember and pretty-print cast types 
llvm-svn: 39191
 2006-11-20 04:34:45 +00:00
Chris Lattner f0a40e7ef4 correctly handle stuff like: 
typedef int G;
  X = sizeof(const G);
  X = sizeof(restrict G);

llvm-svn: 39190
 2006-11-20 04:17:27 +00:00
Chris Lattner d0342e5989 Create a new TypeNameType class, which represents typedefs as types. This 
allows us to handle stuff like:

typedef int G;
 ..
  X = sizeof(G);

llvm-svn: 39189
 2006-11-20 04:02:15 +00:00
Chris Lattner 2ebe4bb64d when a typedef name is parsed as part of declspecs, remember the decl for the 
typedef.

llvm-svn: 39188
 2006-11-20 01:29:42 +00:00
Chris Lattner 5ca17df626 decls should all have types 
llvm-svn: 39187
 2006-11-19 23:32:49 +00:00
Chris Lattner 591a675b1c remove #include of clang/Parse/DeclSpec.h from clang/AST/Decl.h 
llvm-svn: 39186
 2006-11-19 23:16:18 +00:00
Chris Lattner da8aa7b3a8 implement RTTI for Decl objects, eliminate some hokey virtual methods. 
llvm-svn: 39185
 2006-11-19 23:12:30 +00:00
Chris Lattner 200bdc3b90 add an action method for declspecs without declarators, like "struct foo;". 
llvm-svn: 39184
 2006-11-19 02:43:37 +00:00
Chris Lattner 302b4be4c2 build TypedefDecl objects when parsing typedefs. 
Add a parsing fastpath for when we see typedef at the top-level.

llvm-svn: 39182
 2006-11-19 02:31:38 +00:00
Chris Lattner 33e8a55ed0 Parse and remember types enough that we can pretty print: 
void foo(int X) {
  X = __alignof(int);
  X = sizeof(const int** restrict ** volatile*);
}

as:

x = __alignof(int)
x = sizeof(int const **restrict **volatile *)

llvm-svn: 39181
 2006-11-19 01:48:02 +00:00
Chris Lattner 558cb292da add an action for parsing type names. 
llvm-svn: 39180
 2006-11-19 01:31:06 +00:00
Chris Lattner 9dfdb3c70d rearrange the type printing code so that we can do the horrible C "inside out" 
thing properly.  This allows us to print types like:
int (*A)[restrict static 4][6];

properly, in addition to representing them properly. :)

llvm-svn: 39178
 2006-11-13 07:38:09 +00:00
Chris Lattner d235d162d0 change print methods to render into a string, which is more useful for diagnostics 
and for handling precedence of types more accurately

llvm-svn: 39177
 2006-11-13 06:22:30 +00:00
Chris Lattner 7ccecb90d4 Implement parsing, printing and AST'ing of array types (except for the bounds). 
This allows us to handle:

int (*A)[restrict static 4][6];

for example.

llvm-svn: 39176
 2006-11-12 08:50:50 +00:00
Chris Lattner 47814666e1 Implement and use isa/dyncast/cast etc for Type classes. 
llvm-svn: 39175
 2006-11-12 00:56:20 +00:00
Chris Lattner d5973ebbe2 Teach ASTContext to delete all created types in its dtor. 
Teach getPointerType to (stupidly) memoize all created pointers.
Give types an enum so we can implement classof.

llvm-svn: 39174
 2006-11-12 00:53:46 +00:00
Chris Lattner 970e54e3ac Build ASTs for the pointer qualifiers on declarators. This allows us to 
parse (and print) things like:

int* const* restrict* const volatile***

etc.

llvm-svn: 39173
 2006-11-12 00:37:36 +00:00
Chris Lattner aecbefa519 We can now parse and remember the distinction between: 
'unsigned char' and 'unsigned char const'.

-Chris

llvm-svn: 39172
 2006-11-12 00:05:06 +00:00
Chris Lattner b571a5cbdc implement conversion of simple declspec base types, and implement TypeRef::dump 
llvm-svn: 39170
 2006-11-11 23:56:48 +00:00
Chris Lattner f84a79c4e9 restructure code to build the framework for creating types from declarators. 
llvm-svn: 39166
 2006-11-11 22:59:23 +00:00
Chris Lattner ef51c20065 add the builtin types 
llvm-svn: 39164
 2006-11-10 07:17:23 +00:00
Chris Lattner ddc135e593 Let ASTContext hold target info, since it's useful 
llvm-svn: 39162
 2006-11-10 06:34:16 +00:00
Chris Lattner cb6a382b67 introduce a new ASTContext class to hold long-lived ast nodes. 
llvm-svn: 39161
 2006-11-10 06:20:45 +00:00
Chris Lattner e168f76c2d move the rest of the expr sema to SemaExpr.cpp and the decl processing stuff 
to SemaDecl.cpp

llvm-svn: 39159
 2006-11-10 05:29:30 +00:00
Chris Lattner eaafe122b6 move semantic analysis of break/continue out of the parser into the sema class. 
llvm-svn: 39157
 2006-11-10 05:17:58 +00:00
Chris Lattner af8d581230 move semantic analysis of statements to it's own file. 
llvm-svn: 39156
 2006-11-10 05:07:45 +00:00
Chris Lattner 5b183d882b split semantic analysis of expressions out to its own file 
llvm-svn: 39155
 2006-11-10 05:03:26 +00:00
Chris Lattner ddd6fc84cf move ASTBuilder.h/cpp to be a private Sema.h/cpp files, not part of the 
interface exported by libast.

llvm-svn: 39154
 2006-11-10 04:58:55 +00:00
Chris Lattner cc67ec1743 rename ASTBuilder to Sema 
llvm-svn: 39153
 2006-11-09 06:54:47 +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 1576870356 pretty print postfix ++/-- nicer 
llvm-svn: 39137
 2006-11-05 23:54:51 +00:00
Chris Lattner 0663d2afd9 start factoring actions into two flavors: minimal and semantic actions. 
llvm-svn: 39133
 2006-11-05 18:39:59 +00:00
Chris Lattner 36ad123dea print indirect goto correctly 
llvm-svn: 39122
 2006-11-05 01:51:06 +00:00
Chris Lattner 16976d3e83 build ast nodes and print goto/goto*/break/continue. 
llvm-svn: 39121
 2006-11-05 01:46:01 +00:00
Chris Lattner 6c0ff13761 Add ast node support for case/default/label stmts. 
llvm-svn: 39120
 2006-11-05 00:19:50 +00:00
Chris Lattner f2174b633b implement AST node for switch stmt 
llvm-svn: 39119
 2006-11-04 20:59:27 +00:00
Chris Lattner 76af84462c use the StmtNodes.def database to eliminate redundant code. 
llvm-svn: 39118
 2006-11-04 20:54:18 +00:00
Chris Lattner 6fef2fb277 Add a new StmtNodes.def file as a catalog of all the Stmt's. This helps 
eliminate repetitive code.

llvm-svn: 39117
 2006-11-04 20:49:30 +00:00
Chris Lattner 85ed873bdc implement ast nodes for while and do loops 
llvm-svn: 39116
 2006-11-04 20:40:44 +00:00
Chris Lattner 5d8f494c00 pretty print strings more nicely 
llvm-svn: 39114
 2006-11-04 20:29:31 +00:00
Chris Lattner 71e23ce2e1 Add AST node, AST building, actions, and printing for 'for' stmts. 
llvm-svn: 39113
 2006-11-04 20:18:38 +00:00
Chris Lattner 882f788ef4 Implement the rest of the printer, restoring parity of functionality. 
llvm-svn: 39111
 2006-11-04 18:52:07 +00:00
Chris Lattner a3bcb7a104 start converting dumper to be a simple visitor 
llvm-svn: 39109
 2006-11-04 07:16:25 +00:00
Chris Lattner 9ea960a220 make visit methods take a reference to a visitor instead of a pointer. 
Remove all dump_impl methods from Stmt subclasses

llvm-svn: 39108
 2006-11-04 07:16:04 +00:00
Chris Lattner 72b7d39d78 remove full locinfo AST nodes for now. They just clutter the implementation 
and should be implemented with an ASTBuilder subclass anyway.

llvm-svn: 39107
 2006-11-04 06:37:16 +00:00
Chris Lattner 2ebe646f00 new file 
llvm-svn: 39106
 2006-11-04 06:33:06 +00:00
Chris Lattner 469d357425 implement visitor chaining. 
llvm-svn: 39105
 2006-11-04 06:32:52 +00:00
Chris Lattner 5e9a878126 add a new StmtVisitor class for traversing Stmt/Expr nodes. 
llvm-svn: 39104
 2006-11-04 06:21:51 +00:00
Chris Lattner 7cee11f078 Export the ASTBuilder class from the AST module. 
llvm-svn: 39095
 2006-11-03 06:42:29 +00:00
Chris Lattner 2abeb12df6 Fix building after the pure virtual function name changed. 
llvm-svn: 39075
 2006-10-28 19:51:26 +00:00
Chris Lattner 05646c7f0e Fix these to allow clang to be in any dir. 
llvm-svn: 39055
 2006-10-26 04:56:55 +00:00
Chris Lattner 5f84a0648d add ast node for ifstmt 
llvm-svn: 39051
 2006-10-25 05:55:20 +00:00
Chris Lattner c52b118676 Handle __extension__ as a unary operator if requested. 
llvm-svn: 39050
 2006-10-25 05:45:55 +00:00
Chris Lattner 0535ebb3bd only add to LastInGroupList if at the top-level. 
llvm-svn: 39049
 2006-10-25 05:28:22 +00:00
Chris Lattner 6d9a685d75 Make the driver print function bodies at -parse-print-ast 
llvm-svn: 39048
 2006-10-25 05:11:20 +00:00
Chris Lattner b19f796e97 llvm has no EH by default, no need for these flags. 
llvm-svn: 39047
 2006-10-25 05:09:05 +00:00
Chris Lattner e5cca06829 Make AST nodes for ReturnStmt's and CompoundStmts 
llvm-svn: 39046
 2006-10-25 04:29:46 +00:00
Chris Lattner f42cce7a8e Add new Stmt class 
llvm-svn: 39045
 2006-10-25 04:09:21 +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 ae986d5ac7 Remove temporary code 
llvm-svn: 38999
 2006-10-17 02:54:07 +00:00
Chris Lattner 30f910e88e implement action callbacks for almost all the stmts. 
llvm-svn: 38993
 2006-10-16 05:52:41 +00:00
Chris Lattner 2dacc3ff2e Changes through out the parser and actions/ast interface to return top-level 
declarations through the asm streamer.  For a testcase like:

int G;
int H, I, *J;
int func() {}

'clang -parse-print-ast' prints:

Read top-level decl: G
Read top-level decl: H
Read top-level decl: I
Read top-level decl: J
Read top-level decl: func

llvm-svn: 38992
 2006-10-16 00:33:54 +00:00
Chris Lattner a11999d83a start creating proper ast nodes for variables and functions 
llvm-svn: 38991
 2006-10-15 22:34:45 +00:00
Chris Lattner 94b4ce3eae don't abort 
llvm-svn: 38965
 2006-10-06 05:51:35 +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 98286a4551 Allow expression actions to fail 
llvm-svn: 38947
 2006-08-24 05:02:11 +00:00
Chris Lattner 0eedafed1d more comments. 
llvm-svn: 38945
 2006-08-24 04:56:27 +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 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 c11438cee1 Implement first cut of ASTBuilder class. 
llvm-svn: 38938
 2006-08-18 05:17:52 +00:00
Chris Lattner 38ba3363ef Hook up more of the ASTStreamer 
llvm-svn: 38936
 2006-08-17 07:04:37 +00:00
Chris Lattner 73709eda2b Stub out the ASTStreamer 
llvm-svn: 38935
 2006-08-17 06:28:25 +00:00
Chris Lattner 769044337a add ast library 
llvm-svn: 38934
 2006-08-17 05:55:28 +00:00
Chris Lattner 3e7bd4ed44 Start adding support for printing out parser callbacks and adding ast building 
llvm-svn: 38933
 2006-08-17 05:51:27 +00:00