Merge branch 'cooking' of github.com:graphitemaster/gmqcc into cooking

[xonotic/gmqcc.git] / ftepp.c

diff --git a/ftepp.c b/ftepp.c
index 34eec593bc8754019c635a4ddf1accc604cb54cb..88705512ac44c0985966afbc4a97c6f5a612a291 100644 (file)
--- a/ftepp.c
+++ b/ftepp.c
@@ -82,7 +82,7 @@ static uint32_t ftepp_predef_randval  = 0;
 char *ftepp_predef_date(lex_file *context) {
     struct tm *itime;
     time_t     rtime;
-    char      *value = mem_a(82);
+    char      *value = (char*)mem_a(82);
     /* 82 is enough for strftime but we also have " " in our string */
 
     (void)context;
@@ -100,7 +100,7 @@ char *ftepp_predef_date(lex_file *context) {
 char *ftepp_predef_time(lex_file *context) {
     struct tm *itime;
     time_t     rtime;
-    char      *value = mem_a(82);
+    char      *value = (char*)mem_a(82);
     /* 82 is enough for strftime but we also have " " in our string */
 
     (void)context;
@@ -1269,6 +1269,79 @@ static char *ftepp_include_find(ftepp_t *ftepp, const char *file)
     return filename;
 }
 
+static bool ftepp_directive_warning(ftepp_t *ftepp) {
+    char *message = NULL;
+
+    if (!ftepp_skipspace(ftepp))
+        return false;
+
+    /* handle the odd non string constant case so it works like C */
+    if (ftepp->token != TOKEN_STRINGCONST) {
+        bool  store   = false;
+        vec_upload(message, "#warning", 8);
+        ftepp_next(ftepp);
+        while (ftepp->token != TOKEN_EOL) {
+            vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+            ftepp_next(ftepp);
+        }
+        vec_push(message, '\0');
+        store = ftepp_warn(ftepp, WARN_CPP, message);
+        vec_free(message);
+        return store;
+    }
+
+    unescape  (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
+    return ftepp_warn(ftepp, WARN_CPP, "#warning %s", ftepp_tokval(ftepp));
+}
+
+static void ftepp_directive_error(ftepp_t *ftepp) {
+    char *message = NULL;
+
+    if (!ftepp_skipspace(ftepp))
+        return;
+
+    /* handle the odd non string constant case so it works like C */
+    if (ftepp->token != TOKEN_STRINGCONST) {
+        vec_upload(message, "#error", 6);
+        ftepp_next(ftepp);
+        while (ftepp->token != TOKEN_EOL) {
+            vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+            ftepp_next(ftepp);
+        }
+        vec_push(message, '\0');
+        ftepp_error(ftepp, message);
+        vec_free(message);
+        return;
+    }
+
+    unescape  (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
+    ftepp_error(ftepp, "#error %s", ftepp_tokval(ftepp));
+}
+
+static void ftepp_directive_message(ftepp_t *ftepp) {
+    char *message = NULL;
+
+    if (!ftepp_skipspace(ftepp))
+        return;
+
+    /* handle the odd non string constant case so it works like C */
+    if (ftepp->token != TOKEN_STRINGCONST) {
+        vec_upload(message, "#message", 8);
+        ftepp_next(ftepp);
+        while (ftepp->token != TOKEN_EOL) {
+            vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+            ftepp_next(ftepp);
+        }
+        vec_push(message, '\0');
+        con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message", message);
+        vec_free(message);
+        return;
+    }
+
+    unescape     (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
+    con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message",  ftepp_tokval(ftepp));
+}
+
 /**
  * Include a file.
  * FIXME: do we need/want a -I option?
@@ -1464,6 +1537,18 @@ static bool ftepp_hash(ftepp_t *ftepp)
                 ftepp_out(ftepp, "#", false);
                 break;
             }
+            else if (!strcmp(ftepp_tokval(ftepp), "warning")) {
+                ftepp_directive_warning(ftepp);
+                break;
+            }
+            else if (!strcmp(ftepp_tokval(ftepp), "error")) {
+                ftepp_directive_error(ftepp);
+                break;
+            }
+            else if (!strcmp(ftepp_tokval(ftepp), "message")) {
+                ftepp_directive_message(ftepp);
+                break;
+            }
             else {
                 if (ftepp->output_on) {
                     ftepp_error(ftepp, "unrecognized preprocessor directive: `%s`", ftepp_tokval(ftepp));