moved

[henge/webcc.git] / .org / data / fa / f3ff67-f8e9-41fe-9a32-2ced4bbf5b99 / lexer_lex.rl

diff --git a/.org/data/fa/f3ff67-f8e9-41fe-9a32-2ced4bbf5b99/lexer_lex.rl b/.org/data/fa/f3ff67-f8e9-41fe-9a32-2ced4bbf5b99/lexer_lex.rl
deleted file mode 100755 (executable)
index 0224bb8..0000000
--- a/.org/data/fa/f3ff67-f8e9-41fe-9a32-2ced4bbf5b99/lexer_lex.rl
+++ /dev/null
@@ -1,115 +0,0 @@
-/* Ragel State Machine for tokenizing text */\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <apc/parser.tab.h>\r
-\r
-extern void lexer_pushtok(int, YYSTYPE);\r
-\r
-int lexer_lex(const char*);\r
-int ipow(int, int);\r
-int ttov(const char* str, int);\r
-uint64_t ttor(const char* str, int);\r
-char* ttos(const char* str, int);\r
-\r
-\r
-#define MAX_TOK_LEN 64\r
-#define MAX_TOKENS 16\r
-#define MAX_STR_SIZE (MAX_TOK_LEN * MAX_TOKENS)\r
-#define $($)#$\r
-#define PUSHTOK(TOK,LFUNC,UTYPE)                       \\r
-  do {                                                 \\r
-    printf("PUSHTOK(" $(TOK) $(LFUNC) $(UTYPE) ")\n"); \\r
-    tok_t = TOK;                                       \\r
-    yylval.UTYPE = LFUNC(ts, p-ts);                    \\r
-    lexer_pushtok(tok_t, yylval);                      \\r
-    ++ntok;                                            \\r
-  } while (0)\r
-\r
-%%{\r
-  machine token_matcher;\r
-\r
-  # set up yylval and tok_t to be pushed to stack\r
-  action set_ref  { PUSHTOK(REF, ttor, ref); }\r
-  action set_val  { PUSHTOK(NUM, ttov, val); }\r
-  action set_name { PUSHTOK(NAME, ttos, str); }\r
-  action set_ts   { ts = p; }\r
-  action lex_error {printf("input error: character %c in filename %s is invalid\n", fc, str);}\r
-\r
-  # instantiate machines for each possible token\r
-  ref = '0x' xdigit+ %set_ref;\r
-  val = digit+ %set_val;\r
-  name = alpha+ %set_name;\r
-  tok = ref | val | name;\r
-  segment = (tok . '_') %set_ts;\r
-\r
- main := segment* . tok $lerr(lex_error);\r
-}%%\r
-\r
-\r
-%%write data;\r
-\r
-/* Scan filename and push the its tokens\r
-   onto the stack */\r
-int lexer_lex (const char* str)\r
-{\r
-  const char *p, *pe, *ts, *eof;\r
-  int  cs, tok_t, ntok = 0;\r
-  printf ("Lexing: %s\n",str);\r
-  p = ts = str;\r
-  pe = p + strlen(str);\r
-  %%write init;\r
-  %%write exec;\r
-  printf ("Lexed %i tokens\n",ntok);\r
-  return ntok;\r
-}\r
-\r
-int ipow(int base, int exp)\r
-{\r
-  int result = 1;\r
-  while (exp)\r
-    {\r
-      if (exp & 1)\r
-        result = result * base;\r
-      exp = exp >> 1;\r
-      base *= base;\r
-    }\r
-\r
-  return result;\r
-}\r
-\r
-/*  Token to Value */\r
-int ttov(const char* str, int len)\r
-{\r
-  int i, val = 0;\r
-\r
-  for (i = 0; i < len; i++)\r
-    {\r
-      val += ((str[len - (i + 1)] - '0') * ipow(10,i));\r
-    }\r
-\r
-  return val;\r
-}\r
-\r
-uint64_t ttor(const char* str, int len)\r
-{\r
-  int i;\r
-  uint64_t num = 0;\r
-\r
-  for (i = 0; i < len; i++)\r
-    {\r
-      num += ((str[len - (i + 1)] - '0') * ipow(10,i));\r
-    }\r
-\r
-  return num;\r
-}\r
-\r
-char* ttos(const char* str, int len)\r
-{\r
-  int i;\r
-  char token_buf[MAX_TOK_LEN];\r
-\r
-  memmove(token_buf, str, len);\r
-  token_buf[len+1] = '\0';\r
-\r
-  return strdup(token_buf);\r
-}\r