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2023-05-10gas: Generate code for if statementCarlos Maniero
If statements are now working, the only exception is for the comparators || and && that will be addressed in a further commit. Checks tested: fn main(): i32 { let n: i32 = 11; if (n == 11) { if n != 12 { if n < 12 { if n <= 11 { if n > 10 { if n >= 11 { return 42; } } } } } } return n; } To compile the && and || a precedence issue must be addressed: they must have the highest precedence, witch is not working now: 1 == 2 || 3 != 2 The or should be the higher level of the tree in the example above. Signed-off-by: Carlos Maniero <carlos@maniero.me>
2023-04-30gas: Compile variable expression with scope supportJohnny Richard
This patch adds the variable compilation and uses a scope (a stack of map) to lookup for identities. Today we use a vector + ref_entry structs in order to achieve the scope implementation. The ref_entry lacks memory management, we are still no sure who will be the owner of the pointer. We also want to replace the scope a hashtable_t type as soon as we get one. Signed-off-by: Johnny Richard <johnny@johnnyrichard.com> Co-authored-by: Carlos Maniero <carlosmaniero@gmail.com>
2023-04-25style: Use clang-format as formatter and linter toolJohnny Richard
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>
2023-04-25cli: Create a CLI to generate an executable from pipa code.Carlos Maniero
This commit introduces a full-featured CLI that allows you to compile a file, set the gas and linker path, and define the executable output. Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com> Reviewed-by: Johnny Richard <johnny@johnnyrichard.com> Link: https://lists.sr.ht/~johnnyrichard/pipalang-devel/patches/40642
2023-04-21gas: Generate arithmetics expressionsCarlos Maniero
We decided for using push and pop to simplify the implementation, we want to revisit the approach latter. Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com> Co-authored-by: Johnny Richard <johnny@johnnyrichard.com>
2023-04-20tests: Add integration testsCarlos Maniero
This tests perform the whole cycle. It takes the output from pipac compile, execute and check the returned status code. Signed-off-by: Carlos Maniero <carlosmaniero@gmail.com> Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>