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As of 184c39579227 ("Re-work the parser from scratch") the parser has a
proper AST, and the assembler has to traverse it accordingly.
Moreover, the assembler has been stripped from a lot of unneeded memory
allocations and it's overall more keen on using mere references when
possible.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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The initial implementation was incredibly naive on how complex an
assembler can actually be. Because of this, it never bothered to define
and produce a proper AST, and hence it was overall extremely fragile on
(not so) corner cases.
This commit re-writes everything from scratch for the parser, and it
should really be the last fundamental change to the parser other than
minor additions/features here and there.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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Macros can now be described with the '.macro' control statement, but no
parameters can be given and it's overall pretty brittle.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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Procedures are marked with the '.proc' control statement and work both
as a scoping mechanism and as a label that can be referenced.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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This is a bare bones implementation of it, and there's a lot of nuance
that it's being missed, but at least the fundamentals have been
implemented already.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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A lot is missing and there is a long road ahead to make the assembler
even work.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
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