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I decided to remove the visitor pattern due to the lack of Object
Oriented Programming support for C. Now if you want to navigate through
the AST, you should do it with switch case and recursion.
The code looks way simpler without visitor pattern.
I have added a CFLAG -Werror which validates if the switch statement
covers all branches for a given enum at compile time.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.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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We are allocating heap memory to create tokens value, we can minimize the
number of allocations if we start using string_view.
We have other problems, right now the tokens value ownership are quite
unclear once the AST nodes also share the memory allocation done by
token_get_next_token function.
It's important to clarify we also have memory leaks on the current
implementation. Hence, we are going to start using string_view to make
the memory management easier. :^)
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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After enabling the warning flags, the compiler was firing the following
warnings:
warning: implicit declaration of function ‘strdup’; did you mean ‘strcmp’? [-Wimplicit-function-declaration]
token->value = strdup("(");
^~~~~~
strcmp
warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
token->value = strdup("(");
^
In order to fix these warnings above, I have decided to replace *strdup*
and *strndup* by *strcpy* and *strncpy* functions.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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We want to have different folders for src and objs files.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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