Purple  0.1
Standard Language Specification
Purple Language Documentation

The standard language specification and compiler for Purple, a general-purpose, C-like language intended to introduce higher-level functionality and lower-level memory access.

Original Implementation

Installation

View the source here.

Dependencies

  • clang-{10+}
  • libclang-{10+}-dev

Purple may be built with cmake:

cmake -B build
cmake --build build
bin/purple example_file.prp

Grammar

BNF-formatted grammar for Purple can be found here: Purple Grammar Documentation

Examples

Purple uses C-style syntax, although this may change as the compiler is built

void main(void) {
int bob;
int alice;
bob = 5;
alice = 10;
print bob + alice; // 15
print bob > alice; // 0
int bob_alice;
bob_alice = 10 + 10 + bob + alice; // 35
if(bob_alice > 30){
print bob_alice;
}
int i;
i = 0;
while (i < 20) {
print i;
i = i + 1;
} else {
print i == 0 or true; // true
}
}
int main(int argc, char *argv[])
Compiler entrypoint.
Definition: purple.c:81

More examples can be viewed here.