X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Declare.xs;h=7e968350d4b4969976f580dec0aca07225c045d7;hb=8d96afb78ab58b0cd511077d97286175ff52692f;hp=635d946937e79a6f9299b2a3eaa03d30b85a6514;hpb=c93bc23ea1220e8b6c6e8ca1dad2ba32db788c06;p=p5sagit%2FDevel-Declare.git

diff --git a/Declare.xs b/Declare.xs
index 635d946..7e96835 100644
--- a/Declare.xs
+++ b/Declare.xs
@@ -36,6 +36,8 @@ static int in_declare = 0;
 #define DD_AM_LEXING DD_AM_LEXING_CHECK
 #endif
 
+static OP *previous_op = NULL;
+
 /* thing that decides whether we're dealing with a declarator */
 
 int dd_is_declarator(pTHX_ char* name) {
@@ -114,7 +116,7 @@ char* dd_get_linestr(pTHX) {
 }
 
 void dd_set_linestr(pTHX_ char* new_value) {
-  int new_len = strlen(new_value);
+  unsigned int new_len = strlen(new_value);
 
   if (SvLEN(PL_linestr) < new_len) {
     croak("forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
@@ -179,6 +181,13 @@ int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
   return s - base_s;
 }
 
+int dd_toke_scan_ident(pTHX_ int offset) {
+    char tmpbuf[sizeof PL_tokenbuf];
+    char* base_s = SvPVX(PL_linestr) + offset;
+    char* s = scan_ident(base_s, PL_bufend, tmpbuf, sizeof tmpbuf, 0);
+    return s - base_s;
+}
+
 int dd_toke_scan_str(pTHX_ int offset) {
   char* base_s = SvPVX(PL_linestr) + offset;
   char* s = scan_str(base_s, FALSE, FALSE);
@@ -198,6 +207,8 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
   OP* kid;
   int dd_flags;
 
+  PERL_UNUSED_VAR(user_data);
+
   if (in_declare) {
     if (dd_debug) {
       printf("Deconstructing declare\n");
@@ -291,6 +302,8 @@ OP* dd_pp_entereval(pTHX) {
 }
 
 STATIC OP *dd_ck_entereval(pTHX_ OP *o, void *user_data) {
+  PERL_UNUSED_VAR(user_data);
+
   if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
     o->op_ppaddr = dd_pp_entereval;
   return o;
@@ -308,6 +321,8 @@ STATIC OP *dd_ck_const(pTHX_ OP *o, void *user_data) {
   int dd_flags;
   char* name;
 
+  PERL_UNUSED_VAR(user_data);
+
   /* if this is set, we just grabbed a delimited string or something,
      not a bareword, so NO TOUCHY */
 
@@ -325,9 +340,29 @@ STATIC OP *dd_ck_const(pTHX_ OP *o, void *user_data) {
   if (dd_flags == -1)
     return o;
 
+  if (previous_op != NULL) {
+    switch (previous_op->op_type) {
+      case OP_QR:
+      case OP_MATCH:
+      case OP_SUBST:
+      case OP_TRANS:
+        return o;
+        break;
+      default:
+        break;
+    }
+  }
   dd_linestr_callback(aTHX_ "const", name);
 
-  return o;  
+  return o;
+}
+
+STATIC OP *
+remember_previous_op (pTHX_ OP *o, void *user_data)
+{
+  PERL_UNUSED_VAR (user_data);
+  previous_op = o;
+  return o;
 }
 
 static int initialized = 0;
@@ -338,12 +373,17 @@ PROTOTYPES: DISABLE
 
 void
 setup()
+  PREINIT:
+    I32 i;
   CODE:
   if (!initialized++) {
     hook_op_check(OP_RV2CV, dd_ck_rv2cv, NULL);
     hook_op_check(OP_ENTEREVAL, dd_ck_entereval, NULL);
     hook_op_check(OP_CONST, dd_ck_const, NULL);
   }
+  for (i = 0; i < OP_max; i++) {
+    (void)hook_op_check(i, remember_previous_op, NULL);
+  }
   filter_add(dd_filter_realloc, NULL);
 
 char*
@@ -406,6 +446,13 @@ toke_scan_str(int offset);
     RETVAL
 
 int
+toke_scan_ident(int offset)
+  CODE:
+    RETVAL = dd_toke_scan_ident(aTHX_ offset);
+  OUTPUT:
+    RETVAL
+
+int
 toke_skipspace(int offset)
   CODE:
     RETVAL = dd_toke_skipspace(aTHX_ offset);