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Linda coordination language implemented using files and semaphores.

License: MIT License

Makefile 2.40% C 89.02% C++ 8.07% Shell 0.51%

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File API

struct file;

struct file open_linda_file(char *path);

int timed_lock(struct file *f, unsigned timeout_ms);
int unlock(struct file *f);

int timed_read_lock(struct file *f, unsigned timeout_ms);
int read_unlock(struct file *f);

struct tuple read(struct tuple pattern);
int remove(struct tuple pattern);
int write(struct tuple tuple);

void destroy_file(struct file *f);

Parser

fn parse(str input) -> Result

struct Result {
  enum operation (input, read, output)
  tuple Tuple
  int timeout
  string error
}

Legal nodes

*      - any integer
123    - integer with a value of 123
>123   - an integer greater than 123
>=123  - an integer greater or equal 123
<123   - an integer lesser than 123
<=123  - an integer lesser or equal than 123
"abc*" - a string with a value of "abc*"
>"abc" - a string lexicographically greater than "abc"
"*"    - a string with a value of "*"

In the matcher "*" has a special meaning.