cpp

[m6w6/ext-psi] / src / token.c

diff --git a/src/token.c b/src/token.c
index 01c45f10e0b1932e5a5bbcdf5920c290c0fe6fab..ec8c4e93ca764c182ad38e73d9be1fa9a1cb1e2f 100644 (file)
--- a/src/token.c
+++ b/src/token.c
@@ -25,6 +25,8 @@
 
 #include "php_psi_stdinc.h"
 
+#include <ctype.h>
+
 #include "token.h"
 #include "parser.h"
 
@@ -59,6 +61,15 @@ struct psi_token *psi_token_alloc(struct psi_parser *P) {
        return T;
 }
 
+void psi_token_free(struct psi_token **token_ptr) {
+       if (*token_ptr) {
+               struct psi_token *token = *token_ptr;
+
+               *token_ptr = NULL;
+               free(token);
+       }
+}
+
 struct psi_token *psi_token_copy(struct psi_token *src) {
        size_t strct_len = psi_token_alloc_size(src->size, strlen(src->file));
        struct psi_token *ptr = malloc(strct_len);
@@ -71,6 +82,10 @@ struct psi_token *psi_token_copy(struct psi_token *src) {
        return ptr;
 }
 
+void psi_token_copy_ctor(struct psi_token **tok) {
+       *tok = psi_token_copy(*tok);
+}
+
 struct psi_token *psi_token_cat(unsigned argc, ...) {
        va_list argv;
        unsigned i;
@@ -162,3 +177,49 @@ uint64_t psi_token_hash(struct psi_token *t, char *digest_buf) {
        sprintf(loc_buf, "%u%u", t->line, t->col);
        return psi_hash(digest_buf, t->file, loc_buf, (char *) NULL);
 }
+
+void psi_token_dump(int fd, struct psi_token *t)
+{
+       size_t i;
+
+       dprintf(fd, "TOKEN %p (%d) \"", t, t->type);
+       for (i = 0; i < MIN(t->size, 16); ++i) {
+               switch (t->text[i]) {
+               case '\0':
+                       dprintf(fd, "\\0");
+                       break;
+               case '\a':
+                       dprintf(fd, "\\a");
+                       break;
+               case '\b':
+                       dprintf(fd, "\\b");
+                       break;
+               case '\f':
+                       dprintf(fd, "\\f");
+                       break;
+               case '\n':
+                       dprintf(fd, "\\n");
+                       break;
+               case '\r':
+                       dprintf(fd, "\\r");
+                       break;
+               case '\t':
+                       dprintf(fd, "\\t");
+                       break;
+               case '\v':
+                       dprintf(fd, "\\v");
+                       break;
+               case '"':
+                       dprintf(fd, "\\\"");
+                       break;
+               default:
+                       if (isprint(t->text[i])) {
+                               dprintf(fd, "%c", t->text[i]);
+                       } else {
+                               dprintf(fd, "\\%03hho", t->text[i]);
+                       }
+                       break;
+               }
+       }
+       dprintf(fd, "\" at col %u in %s on line %u\n", t->col, t->file, t->line);
+}