1 files changed, 0 insertions, 118 deletions
diff --git a/src/fspec/ragel/lexer-expr.rl b/src/fspec/ragel/lexer-expr.rl
deleted file mode 100644
index 0f1f83d..0000000
--- a/src/fspec/ragel/lexer-expr.rl
+++ /dev/null
@@ -1,118 +0,0 @@
-#include "lexer-expr.h"
-#include "lexer-stack.h"
-#include "util/ragel/ragel.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <assert.h>
-#include <err.h>
-
-static uint8_t
-precedence(char op)
-{
-   switch (op) {
-      case '^': return 4;
-      case '*': return 3;
-      case '/': return 3;
-      case '+': return 2;
-      case '-': return 2;
-   }
-   errx(EXIT_FAILURE, "unknown operator %c for precedence", op);
-   return 0;
-}
-
-static size_t
-pop(char cur, char *mstack, size_t open)
-{
-   static char cvar = 'a';
-
-   // 1 + 2 + 4 + 3 * 2 / 2 * 2 * 2 - 2 * 2 + 5;
-   while (open >= 3) {
-      const char last_op = mstack[open - 2];
-      const uint8_t last_prio = precedence(last_op);
-      const uint8_t new_prio = precedence(cur);
-
-      if (last_prio <= new_prio)
-         break;
-
-      printf("%c = ", cvar);
-      for (size_t i = open - 3; i < open; ++i)
-         printf("%c ", mstack[i]);
-      puts(";");
-      open -= 3;
-
-      mstack[open++] = cvar;
-      ++cvar;
-   }
-
-   return open;
-}
-
-%%{
-   machine fspec_expr;
-   include fspec_stack "lexer-stack.rl";
-   variable p ragel.p;
-   variable pe ragel.pe;
-   variable eof ragel.eof;
-   write data noerror nofinal;
-
-   action op {
-      open = pop(fc, mstack, open);
-      mstack[open++] = fc;
-   }
-
-   logical_operators = '&&' | '||' | '==' | '<' | '>' | '<=' | '>=';
-   calc_operators = '-' | '+' | '/' | '*' | '%';
-   bitwise_operators = '&' | '|' | '^' | '<<' | '>>';
-
-   main := |*
-      calc_operators => op;
-      stack_num => { mstack[open++] = fc;};
-      '(' => { };
-      ')' => { };
-      ' ';
-      ';' => {
-         printf("v = ");
-         for (size_t i = 0; i < open; ++i)
-            printf("%c ", mstack[i]);
-         puts(";");
-      };
-      *|;
-}%%
-
-
-bool
-fspec_expr_parse(struct fspec_expr *expr, const char *name)
-{
-   int cs, act;
-   const char *ts, *te;
-   (void)ts;
-
-   size_t open = 0;
-   char mstack[25];
-
-   %% write init;
-
-   (void)fspec_expr_en_main;
-   assert(expr);
-   assert(expr->ops.read);
-   assert(expr->ops.write);
-   assert(expr->mem.input.data && expr->mem.input.len);
-   assert(expr->mem.input.len <= (size_t)~0 && "input storage size exceeds size_t range");
-
-   char var[256];
-   struct stack stack = { .var.buf.mem = { .data = var, .len = sizeof(var) } };
-   struct ragel ragel = { .name = name, .lineno = 1 };
-
-   // static const fspec_num version = 0;
-
-   struct fspec_mem input = expr->mem.input;
-   for (bool eof = false; !ragel.error && !eof;) {
-      const size_t bytes = expr->ops.read(expr, input.data, 1, input.len);
-      const struct ragel_mem rl = { .data = input.data, .end = (char*)input.data + bytes };
-      ragel_feed_input(&ragel, (eof = (bytes < input.len)), &rl);
-      %% write exec;
-   }
-
-   return !ragel.error;
-}