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27 Commits

Author SHA1 Message Date
Kevin Enderby
4a91571f82 First step in supporting #line directives in assembler. This step parses the 
#line directives with the needed support in the lexer.  Next will be to build
a simple file/line# table mapping source SMLoc's for later use by diagnostics.
And the last step will be to get the diagnostics to use the mapping for file
and line numbers.

llvm-svn: 139669
 2011-09-13 23:45:18 +00:00
Chris Lattner
e34bef3d5e allow \r's in .s files. 
llvm-svn: 136908
 2011-08-04 19:31:26 +00:00
Rafael Espindola
f500121fcf Basic support for macros with explicit arguments. 
We still don't handle

* default values
* :req
* :vararg
* \()

llvm-svn: 132656
 2011-06-05 02:43:45 +00:00
Eric Christopher
b01713088d Match case for invalid constant error messages and add a new 
test for invalid hexadecimals.

llvm-svn: 129326
 2011-04-12 00:18:03 +00:00
Eric Christopher
a7c5e42cbe Lex, and then fail on invalid constants. 
Testcase forthcoming.

rdar://8490596

llvm-svn: 129309
 2011-04-11 22:24:56 +00:00
Jim Grosbach
213800d44b Clean up assembly statement separator support. 
The MC asm lexer wasn't honoring a non-default (anything but ';') statement
separator. Fix that, and generalize a bit to support multi-character
statement separators.

llvm-svn: 128227
 2011-03-24 18:46:34 +00:00
Jim Grosbach
79e4b6b045 More whitespace cleanup... 
llvm-svn: 125388
 2011-02-11 19:05:56 +00:00
Chris Lattner
2129ce0891 Generalize a previous change, fixing PR8855 - an valid large immediate 
rejected by the mc assembler.

llvm-svn: 122557
 2010-12-25 21:36:35 +00:00
Nick Lewycky
c85935836b Add missing standard headers. Patch by Joerg Sonnenberger! 
llvm-svn: 122193
 2010-12-19 20:43:38 +00:00
Roman Divacky
ed5bb14415 Add support for lexing single quotes like 'c'. 
This fixed 8615.

llvm-svn: 122150
 2010-12-18 08:56:37 +00:00
Daniel Dunbar
97fa30f53b MC/AsmLexer: Fix bug in source location for Slash token. 
llvm-svn: 117298
 2010-10-25 20:18:53 +00:00
Daniel Dunbar
7179426193 MC/AsmParser: Handle exponents in floating point literals. 
llvm-svn: 114861
 2010-09-27 20:12:52 +00:00
Daniel Dunbar
452f5345c5 MC/AsmParser: Handle a missed case of floating literals in the lexer. 
llvm-svn: 114733
 2010-09-24 17:10:26 +00:00
Daniel Dunbar
eacb42cfee MC/Lexer: Add 'Real' token type for floating point literals. 
llvm-svn: 114718
 2010-09-24 01:59:31 +00:00
Chris Lattner
115fdde871 fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals. 
Also fix 0b010 syntax to actually work while we're at it :-)

llvm-svn: 111876
 2010-08-24 00:43:25 +00:00
Daniel Dunbar
2be7d27677 MC: Move getLoc() to MCAsmLexer(). 
llvm-svn: 108154
 2010-07-12 17:10:00 +00:00
Duncan Sands
f7b98e2b1e Convert some tab stops into spaces. 
llvm-svn: 108130
 2010-07-12 08:16:59 +00:00
Matt Fleming
0ca99c0262 Add support for parsing the ELF .type assembler directive. 
llvm-svn: 104316
 2010-05-21 11:36:59 +00:00
Kevin Enderby
cd585da505 Incorporate Daniel's suggestion and use !isdigit(CurPtr[0]) and not 
CurPtr[0] == '\n' when testing the character after a "0b" when looking
to see if it part of a something like "jmp 0b".

llvm-svn: 104039
 2010-05-18 18:09:20 +00:00
Kevin Enderby
438a36f66a Fixed the problem with a branch to "0b" that was not parsed by llvm-mc 
correctly.  The Lexer was incorrectly eating the newline casusing it to branch
to address 0.  Updated the test case to use a "0:" label and a branch to "0b".

llvm-svn: 104038
 2010-05-18 17:51:35 +00:00
Kevin Enderby
14c986967b Added support in MC for Directional Local Labels. 
llvm-svn: 103989
 2010-05-17 23:08:19 +00:00
Daniel Dunbar
a3731b17c0 Revert r103137, fix for $ in labels. It looks like we can't actually handle this 
at the token level. Consider the following horrible test case:

  a = 1
  .globl $a
  movl ($a), %eax
  movl $a, %eax
  movl $$a, %eax

llvm-svn: 103178
 2010-05-06 14:46:38 +00:00
Chris Lattner
ca80f41a4d fix rdar://7946934 - in some limited cases, the assembler should 
allow $ at the start of a symbol name.

llvm-svn: 103137
 2010-05-05 23:51:28 +00:00
Chris Lattner
124dc743bc implement mc asmparser support for '.', which gets the 
current PC.  rdar://7834775

We now produce an identical .o file compared to the cctools
assembler for something like this:

_f0:
L0:
        jmp L1
        .long . - L0
L1:
        jmp A
        .long . - L1

        .zerofill __DATA,_bss,A,0

llvm-svn: 101227
 2010-04-14 04:40:28 +00:00
Chris Lattner
58097a4b82 add a hack to allow parsing negative minint. rdar://7751341 
llvm-svn: 98442
 2010-03-13 19:25:13 +00:00
Chris Lattner
e773b145a2 stop using strtoll, it gives windows heartburn. 
llvm-svn: 94167
 2010-01-22 07:34:12 +00:00
Chris Lattner
c0e2ef62fa move some files out of the llvm-mc tool into the MCParser library so 
other tools can link it.

llvm-svn: 94131
 2010-01-22 01:58:08 +00:00