implement #pragma comment(lib,...)

libtcc.c

@@ -829,13 +829,31 @@ static int tcc_compile(TCCState *s1)
 
 LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
 {
+    int i;
     int len, ret;
     len = strlen(str);
 
     tcc_open_bf(s, "<string>", len);
     memcpy(file->buffer, str, len);
+
+    len = s->nb_files;
     ret = tcc_compile(s);
     tcc_close();
+
+    /* habdle #pragma comment(lib,) */
+    for(i = len; i < s->nb_files; i++) {
+        /* int filetype = *(unsigned char *)s->files[i]; */
+        const char *filename = s->files[i] + 1;
+        if (filename[0] == '-' && filename[1] == 'l') {
+            if (tcc_add_library(s, filename + 2) < 0) {
+                tcc_warning("cannot find '%s'", filename+2);
+                ret++;
+            }
+        }
+        tcc_free(s->files[i]);
+    }
+    s->nb_files = len;
+
     return ret;
 }
 

tcc.c

@@ -317,7 +317,7 @@ int main(int argc, char **argv)
         const char *filename = s->files[i] + 1;
         if (filename[0] == '-' && filename[1] == 'l') {
             if (tcc_add_library(s, filename + 2) < 0) {
-                tcc_error_noabort("cannot find '%s'", filename);
+                tcc_error_noabort("cannot find '%s'", filename+2);
                 ret = 1;
             }
         } else {

tccpp.c

@@ -1420,7 +1420,45 @@ static void pragma_parse(TCCState *s1)
             *s1->pack_stack_ptr = val;
             skip(')');
         }
+    } else if (tok == TOK_comment) {
+        if (s1->ms_extensions) {
+            next();
+            skip('(');
+            if (tok == TOK_lib) {
+                next();
+                skip(',');
+                if (tok != TOK_STR)
+                    tcc_error("invalid library specification");
+                else {
+                    /**/
+                    int len = strlen((char *)tokc.cstr->data);
+                    char *file = tcc_malloc(len+4); /* filetype, "-l" and 0 at the end */
+                    file[0] = TCC_FILETYPE_BINARY;
+                    file[1] = '-';
+                    file[2] = 'l';
+                    strcpy(&file[3], (char *)tokc.cstr->data);
+                    dynarray_add((void ***)&s1->files, &s1->nb_files, file);
+                    /**/
+                    /* we can't use
+                        tcc_add_library(s1,(char *)tokc.cstr->data);
+                       while compiling some file
+                     */
+                    /*
+                    if (strrchr((char *)tokc.cstr->data,'.') == NULL)
+                        tcc_add_library(s1,(char *)tokc.cstr->data);
+                    else
+                        tcc_add_file(s1,(char *)tokc.cstr->data,TCC_FILETYPE_BINARY);
+                    */
                 }
+                next();
+                tok = TOK_LINEFEED;
+            }
+        }
+        else
+            tcc_warning("#pragma comment(lib) is ignored");
+    }
+    else
+        tcc_warning("unknown #pragma %s", get_tok_str(tok, &tokc));
 }
 
 /* is_bof is true if first non space token at beginning of file */

tcctok.h

@@ -153,6 +153,9 @@
      DEF(TOK_ASM_push, "push")
      DEF(TOK_ASM_pop, "pop")
 #endif
+      /* pragma comment & comment(lib,...) */
+      DEF(TOK_comment, "comment")
+      DEF(TOK_lib, "lib")
 
 /* builtin functions or variables */
 #ifndef TCC_ARM_EABI