X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fccanlint%2Ffile_analysis.c;h=d915b7ed8f59b131851621e9078410af93784fc1;hp=f2ee5d74c005467934c3e738a8f453963e3edb64;hb=d8c9fdc0e6b70ab4fced949ee6488dc585a711f4;hpb=32a31d9e4fb1f312a47ae8c237ac30d6c1567ccd diff --git a/tools/ccanlint/file_analysis.c b/tools/ccanlint/file_analysis.c index f2ee5d74..d915b7ed 100644 --- a/tools/ccanlint/file_analysis.c +++ b/tools/ccanlint/file_analysis.c @@ -1,9 +1,16 @@ +#include "config.h" #include "ccanlint.h" #include #include #include +#include +#include +#include #include #include +#include +#include +#include #include "../tools.h" #include #include @@ -14,190 +21,17 @@ #include #include #include - -char **get_ccan_file_lines(struct ccan_file *f) -{ - if (!f->lines) - f->lines = strsplit(f, f->contents, "\n", &f->num_lines); - - return f->lines; -} +#include struct list_head *get_ccan_file_docs(struct ccan_file *f) { if (!f->doc_sections) { get_ccan_file_lines(f); - f->doc_sections = extract_doc_sections(f->lines, f->num_lines); + f->doc_sections = extract_doc_sections(f->lines); } return f->doc_sections; } -struct ccan_file *new_ccan_file(const void *ctx, char *name) -{ - struct ccan_file *f; - - f = talloc(ctx, struct ccan_file); - f->lines = NULL; - f->line_info = NULL; - f->doc_sections = NULL; - f->compiled = NULL; - f->name = talloc_steal(f, name); - return f; -} - -static void add_files(struct manifest *m, const char *dir) -{ - DIR *d; - struct dirent *ent; - - if (dir[0]) - d = opendir(dir); - else - d = opendir("."); - if (!d) - err(1, "Opening directory %s", dir[0] ? dir : "."); - - while ((ent = readdir(d)) != NULL) { - struct stat st; - struct ccan_file *f; - struct list_head *dest; - bool is_c_src; - - if (ent->d_name[0] == '.') - continue; - - f = new_ccan_file(m, talloc_asprintf(m, "%s%s", - dir, ent->d_name)); - if (lstat(f->name, &st) != 0) - err(1, "lstat %s", f->name); - - if (S_ISDIR(st.st_mode)) { - f->name = talloc_append_string(f->name, "/"); - add_files(m, f->name); - continue; - } - if (!S_ISREG(st.st_mode)) { - talloc_free(f); - continue; - } - - if (streq(f->name, "_info")) { - m->info_file = f; - f->contents = grab_file(f, f->name, &f->contents_size); - if (!f->contents) - err(1, "Reading file %s", f->name); - continue; - } - - is_c_src = strends(f->name, ".c"); - if (!is_c_src && !strends(f->name, ".h")) { - /* We don't pull in contents of non-source files */ - dest = &m->other_files; - continue; - } - - f->contents = grab_file(f, f->name, &f->contents_size); - if (!f->contents) - err(1, "Reading file %s", f->name); - - if (!strchr(f->name, '/')) { - if (is_c_src) - dest = &m->c_files; - else - dest = &m->h_files; - } else if (strstarts(f->name, "test/")) { - if (is_c_src) { - if (strstarts(f->name, "test/api")) - dest = &m->api_tests; - else if (strstarts(f->name, "test/run")) - dest = &m->run_tests; - else if (strstarts(f->name, "test/compile_ok")) - dest = &m->compile_ok_tests; - else if (strstarts(f->name, "test/compile_fail")) - dest = &m->compile_fail_tests; - else - dest = &m->other_test_c_files; - } else - dest = &m->other_test_files; - } else - dest = &m->other_files; - - list_add(dest, &f->list); - } - closedir(d); -} - -char *report_on_lines(struct list_head *files, - char *(*report)(const char *), - char *sofar) -{ - struct ccan_file *f; - - list_for_each(files, f, list) { - unsigned int i; - char **lines = get_ccan_file_lines(f); - - for (i = 0; i < f->num_lines; i++) { - char *r = report(lines[i]); - if (!r) - continue; - - sofar = talloc_asprintf_append(sofar, - "%s:%u:%s\n", - f->name, i+1, r); - talloc_free(r); - } - } - return sofar; -} - -struct manifest *get_manifest(const void *ctx, const char *dir) -{ - struct manifest *m = talloc(ctx, struct manifest); - char *olddir; - unsigned int len; - - m->info_file = NULL; - list_head_init(&m->c_files); - list_head_init(&m->h_files); - list_head_init(&m->api_tests); - list_head_init(&m->run_tests); - list_head_init(&m->compile_ok_tests); - list_head_init(&m->compile_fail_tests); - list_head_init(&m->other_test_c_files); - list_head_init(&m->other_test_files); - list_head_init(&m->other_files); - list_head_init(&m->dep_dirs); - list_head_init(&m->dep_objs); - - olddir = talloc_getcwd(NULL); - if (!olddir) - err(1, "Getting current directory"); - - if (chdir(dir) != 0) - err(1, "Failed to chdir to %s", dir); - - m->basename = talloc_getcwd(m); - if (!m->basename) - err(1, "Getting current directory"); - len = strlen(m->basename); - while (len && m->basename[len-1] == '/') - m->basename[--len] = '\0'; - - m->basename = strrchr(m->basename, '/'); - if (!m->basename) - errx(1, "I don't expect to be run from the root directory"); - m->basename++; - - add_files(m, ""); - - if (chdir(olddir) != 0) - err(1, "Returning to original directory '%s'", olddir); - talloc_free(olddir); - - return m; -} - /** * remove_comments - strip comments from a line, return copy. @@ -262,7 +96,7 @@ static char *remove_comments(const char *line, bool in_comment, static bool is_empty(const char *line) { - return strspn(line, " \t") == strlen(line); + return strspn(line, " \r\t") == strlen(line); } static bool continues(const char *line) @@ -277,7 +111,7 @@ bool get_token(const char **line, const char *token) unsigned int toklen; *line += strspn(*line, " \t"); - if (isalnum(token[0]) || token[0] == '_') + if (cisalnum(token[0]) || token[0] == '_') toklen = strspn(*line, IDENT_CHARS); else { /* FIXME: real tokenizer handles ++ and other multi-chars. */ @@ -319,6 +153,17 @@ static bool parse_hash_if(struct pp_conditions *cond, const char **line) return false; if (!defined) cond->type = PP_COND_IF; + + /* FIXME: We just chain them, ignoring operators. */ + if (get_token(line, "||") || get_token(line, "&&")) { + struct pp_conditions *sub = talloc(cond, struct pp_conditions); + + sub->parent = cond->parent; + sub->type = PP_COND_IFDEF; + if (parse_hash_if(sub, line)) + cond->parent = sub; + } + return true; } @@ -550,3 +395,36 @@ enum line_compiled get_ccan_line_pp(struct pp_conditions *cond, return ret; } +void score_file_error(struct score *score, struct ccan_file *f, unsigned line, + const char *errorfmt, ...) +{ + va_list ap; + + struct file_error *fe = talloc(score, struct file_error); + fe->file = f; + fe->line = line; + list_add_tail(&score->per_file_errors, &fe->list); + + if (!score->error) + score->error = talloc_strdup(score, ""); + + if (verbose < 2 && strcount(score->error, "\n") > 5) + return; + + if (line) + score->error = talloc_asprintf_append(score->error, + "%s:%u:", + f->fullname, line); + else + score->error = talloc_asprintf_append(score->error, + "%s:", f->fullname); + + va_start(ap, errorfmt); + score->error = talloc_vasprintf_append(score->error, errorfmt, ap); + va_end(ap); + score->error = talloc_append_string(score->error, "\n"); + + if (verbose < 2 && strcount(score->error, "\n") > 5) + score->error = talloc_append_string(score->error, + "... more (use -vv to see them all)\n"); +}