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-rw-r--r--05/tcc-0.9.27/tests/libtcc_test.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/05/tcc-0.9.27/tests/libtcc_test.c b/05/tcc-0.9.27/tests/libtcc_test.c
new file mode 100644
index 0000000..480d314
--- /dev/null
+++ b/05/tcc-0.9.27/tests/libtcc_test.c
@@ -0,0 +1,96 @@
+/*
+ * Simple Test program for libtcc
+ *
+ * libtcc can be useful to use tcc as a "backend" for a code generator.
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libtcc.h"
+
+/* this function is called by the generated code */
+int add(int a, int b)
+{
+ return a + b;
+}
+
+/* this strinc is referenced by the generated code */
+const char hello[] = "Hello World!";
+
+char my_program[] =
+"#include <tcclib.h>\n" /* include the "Simple libc header for TCC" */
+"extern int add(int a, int b);\n"
+"#ifdef _WIN32\n" /* dynamically linked data needs 'dllimport' */
+" __attribute__((dllimport))\n"
+"#endif\n"
+"extern const char hello[];\n"
+"int fib(int n)\n"
+"{\n"
+" if (n <= 2)\n"
+" return 1;\n"
+" else\n"
+" return fib(n-1) + fib(n-2);\n"
+"}\n"
+"\n"
+"int foo(int n)\n"
+"{\n"
+" printf(\"%s\\n\", hello);\n"
+" printf(\"fib(%d) = %d\\n\", n, fib(n));\n"
+" printf(\"add(%d, %d) = %d\\n\", n, 2 * n, add(n, 2 * n));\n"
+" return 0;\n"
+"}\n";
+
+int main(int argc, char **argv)
+{
+ TCCState *s;
+ int i;
+ int (*func)(int);
+
+ s = tcc_new();
+ if (!s) {
+ fprintf(stderr, "Could not create tcc state\n");
+ exit(1);
+ }
+
+ /* if tcclib.h and libtcc1.a are not installed, where can we find them */
+ for (i = 1; i < argc; ++i) {
+ char *a = argv[i];
+ if (a[0] == '-') {
+ if (a[1] == 'B')
+ tcc_set_lib_path(s, a+2);
+ else if (a[1] == 'I')
+ tcc_add_include_path(s, a+2);
+ else if (a[1] == 'L')
+ tcc_add_library_path(s, a+2);
+ }
+ }
+
+ /* MUST BE CALLED before any compilation */
+ tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
+
+ if (tcc_compile_string(s, my_program) == -1)
+ return 1;
+
+ /* as a test, we add symbols that the compiled program can use.
+ You may also open a dll with tcc_add_dll() and use symbols from that */
+ tcc_add_symbol(s, "add", add);
+ tcc_add_symbol(s, "hello", hello);
+
+ /* relocate the code */
+ if (tcc_relocate(s, TCC_RELOCATE_AUTO) < 0)
+ return 1;
+
+ /* get entry symbol */
+ func = tcc_get_symbol(s, "foo");
+ if (!func)
+ return 1;
+
+ /* run the code */
+ func(32);
+
+ /* delete the state */
+ tcc_delete(s);
+
+ return 0;
+}