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This commit introduces a few changes in pipalang syntax. Now, both
functions and variables requires keywords to be defined.
before:
main(): i32 {
a: i32 = 2;
return a;
}
now:
fn main(): i32 {
let a: i32 = 2;
return a;
}
Signed-off-by: Carlos Maniero <carlos@maniero.me>
Reviewed-by: Johnny Richard <johnny@johnnyrichard.com>
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The only way to get the next token was by consuming it. So then, our
parser starts to become hard to understand, once sometimes we just
want to take a look on the next token to understand what should be the
next kind of expression.
This commit introduces a new function that will help us to improve our
parser implementation.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
Reviewed-by: Carlos Maniero <carlos@maniero.me>
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The +, -, *, and / tokens used to be TOKEN_OP, but the TOKEN_OP has been
removed and a token for each operation has been introduced. Python's
token names were followed: https://docs.python.org/3/library/token.html
Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com>
Reviewed-by: Johnny Richard <johnny@johnnyrichar.com>
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We want to keep the code style consistent, this first commit adds a
.clang-format in order to "document" our style code.
This patch also adds a target *linter* to Makefile which will complain
if we have any style issue on test and src dirs.
I have run the follow command to create the .clang-format file:
$ clang-format -style=mozilla -dump-config > .clang-format
And I also made some adjusts to .clang-format changing the following
properties:
PointerAlignment: Right
ColumnLimit: 120
Commands executed to fix the current styling:
$ find . -name *.h | xargs clang-format -i
$ find . -name *.c | xargs clang-format -i
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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This commit adds support for variables and identifiers in the function
body of the parser, stored as a vector.
However, at this point, identifier resolution is not fully implemented,
and we currently accept identifiers without checking if they can be
resolved. This is a known limitation that will be addressed in a future
commit once hash-tables are added to the parser.
Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com>
Reviewed-by: Johnny Richard <johnny@johnnyrichard.com>
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With this function now it is possible to assert a token
given an index.
Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com>
Reviewed-by: Johnny Richard <johnny@johnnyrichard.com>
Link: https://lists.sr.ht/~johnnyrichard/pipalang-devel/%3C20230418170136.3949-1-carlosmaniero%40gmail.com%3E
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We want to tokenizer arithmetic expressions.
We are handling exceptional cases with UNKNOWN token.
Co-authored-by: Carlos Maniero <carlosmaniero@gmail.com>
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com>
Reviewed-by: Johnny Richard <johnny@johnnyrichard.com>
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