AcDc is a very simple hand-crafted Ac to Dc language compiler, it's an assignment of introductory compiler course in NTU. You may get more information about Dc language from dc(1).
There're two kind of variable types, integer and float, which is declared by i and f, each variable has to be declared before their use.
There are only three reserved words, i, f, and p, as mentioned above, i and f are variable declarations, p is an opeartion for printing out the content of a variable.
Ac accepts variable name's length up to 64 characters, allowed characters including A-Z, a-z, 0-9 and _(underscore), and the total of variables must not exceed 23.
There are five operators : +, -, *, /, =, which is addition, subtraction, multiplication, division and value assignment.
$ ./AcDc <source_file> <output_file>
run
$ make
- support constant folding