[boilerplate/test] Convert make-*-constructors to shell

Remove the intermediate C program that was a nuisance whilst
cross-compiling and replace it with a simple shell script that is just a
combination of cat + sed.

3 files changed, 28 insertions, 169 deletions

diff --git a/test/Makefile.am b/test/Makefile.am
index 6e03910c..a0523932 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -69,11 +69,8 @@ test_sources += $(test)
 
 TESTS += cairo-test-suite$(EXEEXT)
 
-make-cairo-test-constructors$(EXEEXT): make-cairo-test-constructors.c
-	$(CC_FOR_BUILD) $^ -o $@
-
-cairo-test-constructors.c: Makefile $(test_sources) make-cairo-test-constructors$(EXEEXT)
-	./make-cairo-test-constructors$(EXEEXT) $(srcdir) $(test_sources) > $@
+cairo-test-constructors.c: Makefile $(test_sources) make-cairo-test-constructors.sh
+	(cd $(srcdir) && sh ./make-cairo-test-constructors.sh $(test_sources)) > $@
 
 cairo_test_suite_SOURCES = 		\
 	$(cairo_test_suite_sources)	\
@@ -121,8 +118,8 @@ cairo_test_trace_DEPENDENCIES = \
 endif
 
 BUILT_SOURCES += cairo-test-constructors.c
-EXTRA_DIST += $(BUILT_SOURCES) $(noinst_SCRIPTS) COPYING make-cairo-test-constructors.c
-CLEANFILES += $(BUILT_SOURCES) make-cairo-test-constructors
+EXTRA_DIST += $(BUILT_SOURCES) $(noinst_SCRIPTS) COPYING make-cairo-test-constructors.sh
+CLEANFILES += $(BUILT_SOURCES)
 
 # All tests which have a reference image go here.
 REFERENCE_IMAGES = \
diff --git a/test/make-cairo-test-constructors.c b/test/make-cairo-test-constructors.c
deleted file mode 100644
index 15c64705..00000000
--- a/test/make-cairo-test-constructors.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright © 2009 Joonas Pihlaja
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  The copyright holders make no representations
- * about the suitability of this software for any purpose.  It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* Usage:
- *   ./make-cairo-test-constructors [tests.c...] >cairo-test-constructors.c
- *
- * Parses invocations of the CAIRO_TEST macro from the source files
- * given on the command line, gathers names of tests, and outputs a C
- * file with one function _cairo_test_runner_register_tests() which
- * calls the functions _register_<testname>() in reverse order.
- */
-
-/* Keep this file ANSI compliant without any special needs. */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-#define NAME "make-cairo-test-constructors.c"
-
-static struct name {
-    struct name *next;
-    char         name[1];
-} *head;
-
-static void *
-xmalloc (size_t n)
-{
-    void *bytes = malloc(n);
-    if (!bytes) {
-        fprintf (stderr, "Out of memory\n");
-        exit(2);
-    }
-    return bytes;
-}
-
-static void
-add_name (const char *name)
-{
-    struct name *node;
-    int len;
-
-    len = strlen (name);
-    node = xmalloc (sizeof (struct name) + len);
-    memcpy (node->name, name, len + 1);
-
-    node->next = head;
-    head = node;
-}
-
-static int
-scan_file (const char   *filename,
-           FILE         *fp)
-{
-    int line_num = 0;
-    char linebuf[1024];
-    int fail = 0;
-
-    while (fgets (linebuf, sizeof (linebuf)-1, fp)) {
-        char *macro;
-        char *name;
-        size_t length;
-
-        line_num++;
-        linebuf[sizeof (linebuf)-1] = 0;
-
-        macro = strstr (linebuf, "CAIRO_TEST");
-        if (!macro)
-            continue;
-        macro += strlen ("CAIRO_TEST");
-
-        length = strspn (macro, " (");
-        if (length == 0)
-            continue;
-        name = macro + length;
-
-        length = strspn (name,
-                         "_"
-                         "abcdefghijklmnopqrstuvwxyz"
-                         "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                         "0123456789");
-        name[length] = 0;
-
-        if (length == 0) {
-            fprintf (stderr, "%s:%d: CAIRO_TEST invocation "
-                     "can't be parsed by " NAME "\n",
-                     filename, line_num);
-            fail = 1;
-            continue;
-        }
-
-        add_name (name);
-    }
-
-    return fail;
-}
-
-int
-main (int argc, char **argv)
-{
-    char buf[PATH_MAX];
-    int i;
-    int fail = 0;
-    struct name *node;
-
-    for (i = 2; i < argc; i++) {
-        FILE *fp;
-
-	snprintf (buf, sizeof (buf), "%s/%s", argv[1], argv[i]);
-
-	fp = fopen (buf, "r");
-        if (fp) {
-            fail |= scan_file (argv[i], fp);
-            fclose (fp);
-        } else
-	    fail = 1;
-    }
-    if (fail)
-        exit(1);
-
-    puts ("/* WARNING: Autogenerated file - see " NAME "! */");
-    puts ("");
-    puts ("#include \"cairo-test-private.h\"");
-    puts ("");
-
-    for (node = head; node; node = node->next) {
-        printf ("extern void _register_%s (void);\n",
-               node->name);
-    }
-    puts("");
-
-    puts ("void _cairo_test_runner_register_tests (void);");
-    puts("");
-
-    puts ("void");
-    puts ("_cairo_test_runner_register_tests (void)");
-    puts ("{");
-    for (node = head; node; node = node->next) {
-        printf ("    _register_%s ();\n", node->name);
-    }
-    puts ("}");
-
-    return 0;
-}
diff --git a/test/make-cairo-test-constructors.sh b/test/make-cairo-test-constructors.sh
new file mode 100644
index 00000000..d0325e87
--- /dev/null
+++ b/test/make-cairo-test-constructors.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+cat <<HERE
+/* WARNING: Autogenerated file - see $0! */
+
+#include "cairo-test-private.h"
+
+void _cairo_test_runner_register_tests (void);
+
+HERE
+
+cat "$@" |  sed '/^CAIRO_TEST/!d; s/CAIRO_TEST.*(\(.*\),.*/extern void _register_\1 (void);/'
+cat <<HERE
+
+void
+_cairo_test_runner_register_tests (void)
+{
+HERE
+
+cat "$@" |  sed '/^CAIRO_TEST/!d; s/CAIRO_TEST.*(\(.*\),.*/    _register_\1 ();/'
+
+echo "}"
+
+