[llvm-dev] Parse Instruction

[Sky Flyer via llvm-dev]

practically I cannot use a function namly *getMnemonicAcceptInfo* (mnemonic
as input, and number of possible outputs as output), because there are
mnemonics that accepts different number of operands! :-/

Any help is highly appreciated.

On Mon, Sep 28, 2015 at 10:53 AM, Sky Flyer <skylake007 at googlemail.com>
wrote:

> Hi all,
>
> in most of the architectures, assembly operands are comma-separated.
> I would like to parse an assembly code that is space-separated and I am
> having a bit of problem.
> In *ParseInstruction* function, I don't know what is the easiest way to
> figure out how many operands a mnemonic expected to have.
> In comma-separated assembly code, it just consuming commas (while
> (getLexer().is(AsmToken::Comma))) and adds operands, but it's not the case
> for space...
>
> I have a dirty hack, that I manually provide such information (number of
> operands) in a function called for example getMnemonicAcceptInfo and with a
> for loop I parse the operand!!
>
> What would you suggest for parsing space-separated assembly codes when it
> comes to figuring out if a mnemonic has two operands or one?
>
> Cheers,
> ES
>
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