diff options
Diffstat (limited to 'compiler.c')
| -rw-r--r-- | compiler.c | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -12,10 +12,13 @@ #define file_err(f, ...) do { fprint_line(stderr, f, __VA_ARGS__); _exit(1); } while(0) -__attribute__((nonnull)) static vm_op_t *expand_chain(file_t *f, vm_op_t *first); -__attribute__((nonnull)) static vm_op_t *expand_choices(file_t *f, vm_op_t *first); +__attribute__((nonnull)) +static vm_op_t *expand_chain(file_t *f, vm_op_t *first); +__attribute__((nonnull)) +static vm_op_t *expand_choices(file_t *f, vm_op_t *first); static vm_op_t *chain_together(vm_op_t *first, vm_op_t *second); -__attribute__((nonnull(1,4))) static void set_range(vm_op_t *op, ssize_t min, ssize_t max, vm_op_t *pat, vm_op_t *sep); +__attribute__((nonnull(1,4))) +static void set_range(vm_op_t *op, ssize_t min, ssize_t max, vm_op_t *pat, vm_op_t *sep); // // Helper function to initialize a range object. @@ -113,6 +116,10 @@ static vm_op_t *expand_choices(file_t *f, vm_op_t *first) return choice; } +// +// Given two patterns, return a new opcode for the first pattern followed by +// the second. If either pattern is NULL, return the other. +// static vm_op_t *chain_together(vm_op_t *first, vm_op_t *second) { if (first == NULL) return second; |