tree-sitter-nasm

NASM grammars with tree-sitter.

References

• NASM - The Netwide Assembler
• official NASM git repository

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Notes/Remarks

• an expression is an expression (e.g. no "critical expressions")
• macro reserved token are always allowed (e.g. %0) same with $ and $$
• handling of e.g. struc and align standard macros (even though they are just macros)
• things like j%-1 will fail (maybe (instruction j (operand %+1)) or whatever)
• the fact that ':' is optional after a label makes it inherently ambigus:

_start:
	word1	word2
	; 'word1' may be a macro or the label and
	; 'word2' the instruction or an operand

Here opts for 'word1' as an instruction (and thus 'word2' as its first operand).