]> git.ozlabs.org Git - ccan/blobdiff - tools/ccanlint/tests/examples_compile.c
tools: more intelligent caching for compile _info.
[ccan] / tools / ccanlint / tests / examples_compile.c
index 8ab806438f1b4aab25e033cda63fca6915017e0c..7fb60845c6604af2e1b5ecbe7cb90b1bd2c1a286 100644 (file)
@@ -1,6 +1,7 @@
 #include <tools/ccanlint/ccanlint.h>
 #include <tools/tools.h>
 #include <ccan/talloc/talloc.h>
+#include <ccan/cast/cast.h>
 #include <ccan/str/str.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -11,7 +12,7 @@
 #include <ctype.h>
 #include <assert.h>
 #include <err.h>
-#include "../compulsory_tests/build.h"
+#include "build.h"
 
 static const char *can_run(struct manifest *m)
 {
@@ -50,7 +51,7 @@ static void add_dep(struct manifest ***deps, const char *basename)
 
        m = get_manifest(*deps, talloc_asprintf(*deps, "%s/ccan/%s",
                                                ccan_dir, basename));
-       errstr = build_submodule(m);
+       errstr = build_submodule(m, cflags, COMPILE_NORMAL);
        if (errstr)
                errx(1, "%s", errstr);
 
@@ -61,7 +62,7 @@ static void add_dep(struct manifest ***deps, const char *basename)
        if (m->info_file) {
                char **infodeps;
 
-               infodeps = get_deps(m, m->dir, false, &m->info_file->compiled);
+               infodeps = get_deps(m, m->dir, false, get_or_compile_info);
 
                for (i = 0; infodeps[i]; i++) {
                        if (strstarts(infodeps[i], "ccan/"))
@@ -70,7 +71,7 @@ static void add_dep(struct manifest ***deps, const char *basename)
        }
 }
 
-static char *obj_list(struct manifest *m, struct ccan_file *f)
+static char *example_obj_list(struct manifest *m, struct ccan_file *f)
 {
        struct manifest **deps = talloc_array(f, struct manifest *, 0);
        char **lines, *list;
@@ -95,19 +96,23 @@ static char *obj_list(struct manifest *m, struct ccan_file *f)
 
        list = talloc_strdup(f, "");
        for (i = 0; i < talloc_get_size(deps) / sizeof(*deps); i++) {
-               if (deps[i]->compiled)
+               if (deps[i]->compiled[COMPILE_NORMAL])
                        list = talloc_asprintf_append(list, " %s",
-                                                     deps[i]->compiled);
+                                                     deps[i]->compiled
+                                                     [COMPILE_NORMAL]);
        }
        return list;
 }
 
+/* FIXME: Test with reduced features! */
 static char *lib_list(const struct manifest *m)
 {
        unsigned int i, num;
-       char **libs = get_libs(m, m->dir, &num, &m->info_file->compiled);
+       char **libs;
        char *ret = talloc_strdup(m, "");
 
+       libs = get_libs(m, m->dir, &num,
+                       &m->info_file->compiled[COMPILE_NORMAL]);
        for (i = 0; i < num; i++)
                ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
        return ret;
@@ -116,17 +121,17 @@ static char *lib_list(const struct manifest *m)
 static bool compile(const void *ctx,
                    struct manifest *m,
                    struct ccan_file *file,
-                   bool keep, char **output)
+                   char **output)
 {
-       file->compiled = maybe_temp_file(ctx, "", keep, file->fullname);
+       file->compiled[COMPILE_NORMAL] = temp_file(ctx, "", file->fullname);
        if (!compile_and_link(ctx, file->fullname, ccan_dir,
-                             obj_list(m, file),
-                             "", lib_list(m), file->compiled, output)) {
-               /* Don't keep failures. */
-               if (keep)
-                       unlink(file->compiled);
-               talloc_free(file->compiled);
-               file->compiled = NULL;
+                             example_obj_list(m, file),
+                             compiler, cflags,
+                             lib_list(m), file->compiled[COMPILE_NORMAL],
+                             output)) {
+               /* Don't keep failures, even with --keep */
+               unlink(file->compiled[COMPILE_NORMAL]);
+               file->compiled[COMPILE_NORMAL] = NULL;
                return false;
        }
        return true;
@@ -144,13 +149,13 @@ static char *start_main(char *ret, const char *why)
 static char *add_func(char *others, const char *line)
 {
        const char *p, *end = strchr(line, '(') - 1;
-       while (isspace(*end)) {
+       while (cisspace(*end)) {
                end--;
                if (end == line)
                        return others;
        }
 
-       for (p = end; isalnum(*p) || *p == '_'; p--) {
+       for (p = end; cisalnum(*p) || *p == '_'; p--) {
                if (p == line)
                        return others;
        }
@@ -187,58 +192,71 @@ static bool looks_internal(char **lines, char **why)
                const char *line = lines[i] + strspn(lines[i], " \t");
                unsigned len = strspn(line, IDENT_CHARS);
 
-               if (!line[0] || isspace(line[0]) || strstarts(line, "//"))
+               if (!line[0] || cisspace(line[0]) || strstarts(line, "//"))
                        continue;
 
+               assert(line[strlen(line)-1] != '\n');
+
                /* The winners. */
                if (strstarts(line, "if") && len == 2) {
-                       *why = "starts with if";
+                       *why = cast_const(char *, "starts with if");
                        return true;
                }
                if (strstarts(line, "for") && len == 3) {
-                       *why = "starts with for";
+                       *why = cast_const(char *, "starts with for");
                        return true;
                }
                if (strstarts(line, "while") && len == 5) {
-                       *why = "starts with while";
+                       *why = cast_const(char *, "starts with while");
                        return true;
                }
                if (strstarts(line, "do") && len == 2) {
-                       *why = "starts with do";
+                       *why = cast_const(char *, "starts with do");
                        return true;
                }
 
                /* The losers. */
                if (strstarts(line, "#include")) {
-                       *why = "starts with #include";
+                       *why = cast_const(char *, "starts with #include");
                        return false;
                }
 
                if (last_ended && strchr(line, '(')) {
                        if (strstarts(line, "static")) {
-                               *why = "starts with static and contains (";
+                               *why = cast_const(char *,
+                                                 "starts with static"
+                                                 " and contains (");
                                return false;
                        }
                        if (strends(line, ")")) {
-                               *why = "contains ( and ends with )";
+                               *why = cast_const(char *,
+                                                 "contains ( and ends with )");
                                return false;
                        }
                }
 
+               /* Previously prepended. */
+               if (strstr(line, "didn't seem to belong inside a function")) {
+                       *why = cast_const(char *, "Comment said so");
+                       return false;
+               }
+
                /* Single identifier then operator == inside function. */
                if (last_ended && len
-                   && ispunct(line[len+strspn(line+len, " ")])) {
-                       *why = "starts with identifier then punctuation";
+                   && cispunct(line[len+strspn(line+len, " ")])) {
+                       *why = cast_const(char *, "starts with identifier"
+                                         " then punctuation");
                        return true;
                }
 
                last_ended = (strends(line, "}")
                              || strends(line, ";")
+                             || strends(line, "*/")
                              || streq(line, "..."));
        }
 
        /* No idea... Say yes? */
-       *why = "gave no clues";
+       *why = cast_const(char *, "gave no clues");
        return true;
 }
 
@@ -285,7 +303,7 @@ static char **combine(const void *ctx, char **lines, char **prev)
        prev_total = i;
 
        ret = talloc_array(ctx, char *, 1 +lines_total + prev_total + 1);
-       ret[0] = talloc_asprintf(ret, "/* The example %s, thus %s */\n",
+       ret[0] = talloc_asprintf(ret, "/* The example %s, thus %s */",
                                 why, reasoning);
        memcpy(ret+1, lines, count * sizeof(ret[0]));
        memcpy(ret+1 + count, prev, prev_total * sizeof(ret[0]));
@@ -313,23 +331,24 @@ static char *mangle(struct manifest *m, char **lines)
        bool in_function = false, fake_function = false, has_main = false;
        unsigned int i;
 
-       ret = talloc_strdup(m, "/* Prepend a heap of headers. */\n"
-                           "#include <assert.h>\n"
-                           "#include <err.h>\n"
-                           "#include <errno.h>\n"
-                           "#include <fcntl.h>\n"
-                           "#include <limits.h>\n"
-                           "#include <stdbool.h>\n"
-                           "#include <stdint.h>\n"
-                           "#include <stdio.h>\n"
-                           "#include <stdlib.h>\n"
-                           "#include <string.h>\n"
-                           "#include <sys/stat.h>\n"
-                           "#include <sys/types.h>\n"
-                           "#include <unistd.h>\n");
-       ret = talloc_asprintf_append(ret, "/* Include header from module. */\n"
-                                    "#include <ccan/%s/%s.h>\n",
-                                    m->basename, m->basename);
+       ret = talloc_asprintf(m, 
+                             "/* Include header from module. */\n"
+                             "#include <ccan/%s/%s.h>\n"
+                             "/* Prepend a heap of headers. */\n"
+                             "#include <assert.h>\n"
+                             "#include <err.h>\n"
+                             "#include <errno.h>\n"
+                             "#include <fcntl.h>\n"
+                             "#include <limits.h>\n"
+                             "#include <stdbool.h>\n"
+                             "#include <stdint.h>\n"
+                             "#include <stdio.h>\n"
+                             "#include <stdlib.h>\n"
+                             "#include <string.h>\n"
+                             "#include <sys/stat.h>\n"
+                             "#include <sys/types.h>\n"
+                             "#include <unistd.h>\n",
+                             m->basename, m->basename);
 
        ret = talloc_asprintf_append(ret, "/* Useful dummy functions. */\n"
                                     "extern int somefunc(void);\n"
@@ -359,7 +378,7 @@ static char *mangle(struct manifest *m, char **lines)
                } else {
                        /* Character at start of line, with ( and no ;
                         * == function start.  Ignore comments. */
-                       if (!isspace(line[0])
+                       if (!cisspace(line[0])
                            && strchr(line, '(')
                            && !strchr(line, ';')
                            && !strstr(line, "//")) {
@@ -418,16 +437,15 @@ static char *mangle(struct manifest *m, char **lines)
 
 static struct ccan_file *mangle_example(struct manifest *m,
                                        struct ccan_file *example,
-                                       char **lines,
-                                       bool keep)
+                                       char **lines)
 {
        char *name, *contents;
        int fd;
        struct ccan_file *f;
 
-       name = maybe_temp_file(example, ".c", keep, 
-                              talloc_asprintf(m, "%s/mangled-%s",
-                                              m->dir, example->name));
+       name = temp_file(example, ".c",
+                        talloc_asprintf(m, "%s/mangled-%s",
+                                        m->dir, example->name));
        f = new_ccan_file(example,
                          talloc_dirname(example, name),
                          talloc_basename(example, name));
@@ -468,7 +486,6 @@ static bool has_expected_output(char **lines)
 static unsigned int try_compiling(struct manifest *m,
                                  struct ccan_file *i,
                                  char **prev,
-                                 bool keep,
                                  struct ccan_file *mangled[3],
                                  bool res[3],
                                  char *err[3],
@@ -478,7 +495,7 @@ static unsigned int try_compiling(struct manifest *m,
 
        /* Try standalone. */
        mangled[0] = i;
-       res[0] = compile(i, m, mangled[0], keep, &err[0]);
+       res[0] = compile(i, m, mangled[0], &err[0]);
        lines[0] = get_ccan_file_lines(i);
        if (res[0] && streq(err[0], ""))
                return 1;
@@ -486,8 +503,8 @@ static unsigned int try_compiling(struct manifest *m,
        if (prev) {
                lines[1] = combine(i, get_ccan_file_lines(i), prev);
 
-               mangled[1] = mangle_example(m, i, lines[1], keep);
-               res[1] = compile(i, m, mangled[1], keep, &err[1]);
+               mangled[1] = mangle_example(m, i, lines[1]);
+               res[1] = compile(i, m, mangled[1], &err[1]);
                if (res[1] && streq(err[1], "")) {
                        return 2;
                }
@@ -497,13 +514,13 @@ static unsigned int try_compiling(struct manifest *m,
 
        /* Try standalone. */
        lines[num] = get_ccan_file_lines(i);
-       mangled[num] = mangle_example(m, i, lines[num], keep);
-       res[num] = compile(i, m, mangled[num], keep, &err[num]);
+       mangled[num] = mangle_example(m, i, lines[num]);
+       res[num] = compile(i, m, mangled[num], &err[num]);
 
        return num+1;
 }
 
-static void build_examples(struct manifest *m, bool keep,
+static void build_examples(struct manifest *m,
                           unsigned int *timeleft, struct score *score)
 {
        struct ccan_file *i;
@@ -519,14 +536,14 @@ static void build_examples(struct manifest *m, bool keep,
                bool res[3];
                unsigned num, j;
                char **lines[3];
-               char *error;
+               const char *error;
 
                score->total++;
 
                /* Simplify our dumb parsing. */
                strip_leading_whitespace(get_ccan_file_lines(i));
 
-               num = try_compiling(m, i, prev, keep, file, res, err, lines);
+               num = try_compiling(m, i, prev, file, res, err, lines);
 
                /* First look for a compile without any warnings. */
                for (j = 0; j < num; j++) {
@@ -599,7 +616,7 @@ static void build_examples(struct manifest *m, bool keep,
                                      err[1]);
                        }
                }
-               score_file_error(score, i, 0, error);
+               score_file_error(score, i, 0, "%s", error);
                /* This didn't work, so not a candidate for combining. */
                prev = NULL;