#ifndef CCAN_LINT_H
#define CCAN_LINT_H
+#include "config.h"
#include <ccan/list/list.h>
+#include <ccan/tal/tal.h>
+#include <ccan/dgraph/dgraph.h>
+#include <ccan/autodata/autodata.h>
#include <stdbool.h>
#include "../doc_extract.h"
+#include "../manifest.h"
+#include "../tools.h"
+#include "licenses.h"
-struct manifest {
- char *basename;
- struct ccan_file *info_file;
+AUTODATA_TYPE(ccanlint_tests, struct ccanlint);
+#define REGISTER_TEST(test) AUTODATA(ccanlint_tests, &test)
- struct list_head c_files;
- struct list_head h_files;
+/* 0 == Describe failed tests.
+ 1 == Describe results for partial failures.
+ 2 == One line per test, plus details of failures.
- struct list_head run_tests;
- struct list_head compile_ok_tests;
- struct list_head compile_fail_tests;
- struct list_head other_test_files;
+ Mainly for debugging ccanlint:
+ 3 == Describe every object built.
+ 4 == Describe every action. */
+extern int verbose;
- struct list_head other_files;
+/* Error in a particular file: stored off score->per_file_errors. */
+struct file_error {
+ struct list_node list;
+ struct ccan_file *file;
+ unsigned int line;
};
-struct manifest *get_manifest(void);
+/* The score for an individual test. */
+struct score {
+ /* Starts as false: if not set to true, ccanlint exits non-zero.
+ * Thus it is usually set for compilation or other serious failures. */
+ bool pass;
+ /* Starts at 0 and 1 respectively. */
+ unsigned int score, total;
+ /* The error message to print. */
+ char *error;
+ /* Per file errors, set by score_file_error() */
+ struct list_head per_file_errors;
+};
struct ccanlint {
- struct list_node list;
+ /* More concise unique name of test. */
+ const char *key;
/* Unique name of test */
const char *name;
- /* Total score that this test is worth. 0 means compulsory tests. */
- unsigned int total_score;
-
- /* If this returns non-NULL, it means the check failed. */
- void *(*check)(struct manifest *m);
+ /* Can we run this test? Return string explaining why, if not. */
+ const char *(*can_run)(struct manifest *m);
- /* The non-NULL return from check is passed to one of these: */
+ /* Should we stop immediately if test fails? */
+ bool compulsory;
- /* So, what did this get out of the total_score? (NULL means 0). */
- unsigned int (*score)(struct manifest *m, void *check_result);
-
- /* Verbose description of what was wrong. */
- const char *(*describe)(struct manifest *m, void *check_result);
+ /* If timeleft is set to 0, means it timed out.
+ * score is the result, and a tal context freed after all our
+ * depends are done. */
+ void (*check)(struct manifest *m,
+ unsigned int *timeleft, struct score *score);
/* Can we do something about it? (NULL if not) */
- void (*handle)(struct manifest *m, void *check_result);
+ void (*handle)(struct manifest *m, struct score *score);
+
+ /* Options from _info. */
+ char **options;
+ /* If not set, we'll give an error if they try to set options. */
+ bool takes_options;
+
+ /* Space-separated list of dependency keys. */
+ const char *needs;
+
+ /* Internal use fields: */
+ /* We are a node in a dependency graph. */
+ struct dgraph_node node;
+ /* Did we skip a dependency? If so, must skip this, too. */
+ const char *skip;
+ /* Have we already run this? */
+ bool done;
};
/* Ask the user a yes/no question: the answer is NO if there's an error. */
bool ask(const char *question);
-struct ccan_file {
- struct list_node list;
+enum line_info_type {
+ PREPROC_LINE, /* Line starts with # */
+ CODE_LINE, /* Code (ie. not pure comment). */
+ DOC_LINE, /* Line with kernel-doc-style comment. */
+ COMMENT_LINE, /* (pure) comment line */
+};
- char *name;
+/* So far, only do simple #ifdef/#ifndef/#if defined/#if !defined tests,
+ * and #if <SYMBOL>/#if !<SYMBOL> */
+struct pp_conditions {
+ /* We're inside another ifdef? */
+ struct pp_conditions *parent;
- unsigned int num_lines;
- char **lines;
+ enum {
+ PP_COND_IF,
+ PP_COND_IFDEF,
+ PP_COND_UNKNOWN,
+ } type;
- struct list_head *doc_sections;
+ bool inverse;
+ const char *symbol;
+};
+
+/* Preprocessor information about each line. */
+struct line_info {
+ enum line_info_type type;
+
+ /* Is this actually a continuation of line above? (which ends in \) */
+ bool continued;
+
+ /* Conditions for this line to be compiled. */
+ struct pp_conditions *cond;
};
/* Use this rather than accessing f->lines directly: loads on demand. */
-char **get_ccan_file_lines(struct ccan_file *f);
+struct line_info *get_ccan_line_info(struct ccan_file *f);
+
+/* Use this rather than accessing f->simplified directly: loads on demand. */
+const char *get_ccan_simplified(struct ccan_file *f);
+
+enum line_compiled {
+ NOT_COMPILED,
+ COMPILED,
+ MAYBE_COMPILED,
+};
+
+/* Simple evaluator. If symbols are set this way, is this condition true?
+ * NULL values mean undefined, NULL symbol terminates. */
+enum line_compiled get_ccan_line_pp(struct pp_conditions *cond,
+ const char *symbol,
+ const unsigned int *value, ...);
+
+/* Get token if it's equal to token. */
+bool get_token(const char **line, const char *token);
+/* Tal copy of symbol token, or NULL. Increment line. */
+char *get_symbol_token(void *ctx, const char **line);
/* Similarly for ->doc_sections */
struct list_head *get_ccan_file_docs(struct ccan_file *f);
-/* Call the reporting on every line in the file. sofar contains
- * previous results. */
-char *report_on_lines(struct list_head *files,
- char *(*report)(const char *),
- char *sofar);
+/* Get NULL-terminated array options for this file for this test */
+char **per_file_options(const struct ccanlint *test, struct ccan_file *f);
+
+/* Append message about this file (and line, if non-zero) to the score->error */
+void score_file_error(struct score *, struct ccan_file *f, unsigned line,
+ const char *errorfmt, ...);
+
+/* Start a command in the background. */
+void run_command_async(const void *ctx, unsigned int time_ms,
+ const char *fmt, ...);
+
+/* Async version of compile_and_link. */
+void compile_and_link_async(const void *ctx, unsigned int time_ms,
+ const char *cfile, const char *ccandir,
+ const char *objs, const char *compiler,
+ const char *cflags,
+ const char *libs, const char *outfile);
-/* The critical tests which mean fail if they don't pass. */
-extern struct ccanlint no_info;
-extern struct ccanlint has_main_header;
+/* Get results of a command, returning ctx (and free it). */
+void *collect_command(bool *ok, char **output);
+
+/* Find manifest for this dir and return compiled _info filename. */
+char *get_or_compile_info(const void *ctx, const char *dir);
/* Normal tests. */
extern struct ccanlint trailing_whitespace;
+/* Dependencies */
+struct dependent {
+ struct list_node node;
+ struct ccanlint *dependent;
+};
+
+/* Is this test excluded (cmdline or _info). */
+bool is_excluded(const char *name);
+
+/* Called to add options from _info, once it's located. */
+void add_info_options(struct ccan_file *info);
+
+/* Are we happy to compile stuff, or just non-intrusive tests? */
+extern bool safe_mode;
+
+/* Did the user want to keep all the results? */
+extern bool keep_results;
+
+/* Did we find non-ccan dependencies? */
+extern bool non_ccan_deps;
+
+/* Did we fail to build? */
+extern bool build_failed;
+
+/* Contents of config.h (or NULL if not found) */
+extern const char *config_header;
+
+/* Where is the ccan dir? */
+extern const char *ccan_dir;
#endif /* CCAN_LINT_H */