1 files changed, 0 insertions, 153 deletions
diff --git a/src/fspec/ragel/lexer-stack.rl b/src/fspec/ragel/lexer-stack.rl
deleted file mode 100644
index 940f820..0000000
--- a/src/fspec/ragel/lexer-stack.rl
+++ /dev/null
@@ -1,153 +0,0 @@
-#include "lexer-stack.h"
-
-#include <stdlib.h>
-#include <assert.h>
-#include <err.h>
-
-void
-varbuf_begin(struct varbuf *var)
-{
-   assert(var);
-   var->offset = var->buf.written;
-   assert(var->offset <= var->buf.mem.len);
-}
-
-void
-varbuf_reset(struct varbuf *var)
-{
-   assert(var);
-   var->offset = var->buf.written = 0;
-}
-
-void
-varbuf_remove_last(struct varbuf *var)
-{
-   assert(var);
-   assert(var->buf.written >= var->offset);
-   const size_t size = var->buf.written - var->offset;
-   assert(var->buf.written >= size);
-   var->buf.written -= size;
-   assert(var->buf.written <= var->buf.mem.len);
-}
-
-static void
-stack_check_type(const struct stack *stack, const enum stack_type type)
-{
-   assert(stack);
-
-   if (stack->type == type)
-      return;
-
-   const char *got = (type == STACK_STR ? "str" : "num"), *expected = (stack->type == STACK_STR ? "str" : "num");
-   errx(EXIT_FAILURE, "tried to get '%s' from stack, but the last pushed type was '%s'", got, expected);
-}
-
-void
-stack_num(struct stack *stack, const uint8_t base)
-{
-   assert(stack);
-   membuf_terminate(&stack->var.buf, (char[]){ 0 }, 1);
-   const char *str = (char*)stack->var.buf.mem.data + stack->var.offset;
-   stack->type = STACK_NUM;
-   stack->num = strtoll(str, NULL, base);
-   varbuf_remove_last(&stack->var);
-}
-
-const struct fspec_mem*
-stack_get_str(const struct stack *stack)
-{
-   stack_check_type(stack, STACK_STR);
-   return &stack->str;
-}
-
-uint64_t
-stack_get_num(const struct stack *stack)
-{
-   stack_check_type(stack, STACK_NUM);
-   return stack->num;
-}
-
-%%{
-   machine fspec_stack;
-
-   action stack_oct {
-      stack_num(&stack, 8);
-   }
-
-   action stack_hex {
-      stack_num(&stack, 16);
-   }
-
-   action stack_dec {
-      stack_num(&stack, 10);
-   }
-
-   action stack_str {
-      membuf_terminate(&stack.var.buf, (char[]){ 0 }, 1);
-      stack.type = STACK_STR;
-      stack.str = stack.var.buf.mem;
-      stack.str.len = stack.var.buf.written;
-   }
-
-   action store_esc_num {
-      const fspec_num v = stack_get_num(&stack);
-      assert(v <= 255);
-      membuf_append(&stack.var.buf, (uint8_t[]){ v }, sizeof(uint8_t));
-   }
-
-   action store_esc {
-      const struct { const char e, v; } map[] = {
-         { .e = 'a', .v = '\a' },
-         { .e = 'b', .v = '\b' },
-         { .e = 'f', .v = '\f' },
-         { .e = 'n', .v = '\n' },
-         { .e = 'r', .v = '\r' },
-         { .e = 't', .v = '\t' },
-         { .e = 'v', .v = '\v' },
-         { .e = '\\', .v = '\\' },
-         { .e = '\'', .v = '\'' },
-         { .e = '\"', .v = '"' },
-         { .e = 'e', .v = 0x1B },
-      };
-
-      for (size_t i = 0; i < sizeof(map) / sizeof(map[0]); ++i) {
-         if (fc != map[i].e)
-            continue;
-
-         membuf_append(&stack.var.buf, &map[i].v, sizeof(map[i].v));
-         break;
-      }
-   }
-
-   action store {
-      membuf_append(&stack.var.buf, fpc, 1);
-   }
-
-   action begin_num {
-      varbuf_begin(&stack.var);
-   }
-
-   action begin_str {
-      varbuf_reset(&stack.var);
-   }
-
-   # Semantic
-   quote = ['"];
-   esc = [abfnrtv\\'"e];
-   esc_chr = '\\';
-   esc_hex = 'x' <: xdigit{2};
-   hex = '0x' <: xdigit{1,};
-   oct = [0-7]{1,3};
-   dec = [\-+]? <: (([1-9] <: digit*) | '0');
-   name = ((alpha | '_') <: (alnum | '_')*);
-
-   # Stack
-   stack_name = name >begin_str $store %stack_str;
-   stack_hex = hex >begin_num $store %stack_hex;
-   stack_dec = dec >begin_num $store %stack_dec;
-   stack_oct = oct >begin_num $store %stack_oct;
-   stack_esc_hex = esc_hex >begin_num <>*store %stack_hex;
-   stack_esc = esc_chr <: ((stack_esc_hex | stack_oct) %store_esc_num | esc %~store_esc);
-   stack_str = quote <: ((stack_esc? <: print? $store) - zlen)* >begin_str %stack_str :>> quote;
-   stack_num = stack_dec | stack_hex;
-}%%