X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fccanlint%2Fccanlint.h;h=ee12ce04fb81083c228e2ac47604c27ed39e25b8;hp=ac169fa81156b57452708208af65fecd05402fdf;hb=83a1386b50966eb9667478c7cef9154dbd622541;hpb=7eb00644b848b551b2db5d9de40893e488c2790d

diff --git a/tools/ccanlint/ccanlint.h b/tools/ccanlint/ccanlint.h
index ac169fa8..ee12ce04 100644
--- a/tools/ccanlint/ccanlint.h
+++ b/tools/ccanlint/ccanlint.h
@@ -4,6 +4,12 @@
 #include <stdbool.h>
 #include "../doc_extract.h"
 
+#define REGISTER_TEST(name, ...) extern struct ccanlint name
+#include "generated-init-tests"
+#undef REGISTER_TEST
+
+#define REGISTER_TEST(name, ...) 
+
 struct manifest {
 	char *basename;
 	struct ccan_file *info_file;
@@ -44,18 +50,65 @@ struct ccanlint {
 
 	/* Can we do something about it? (NULL if not) */
 	void (*handle)(struct manifest *m, void *check_result);
+
+	/* Internal use fields: */
+	/* Who depends on us? */
+	struct list_head dependencies;
+	/* How many things do we (still) depend on? */
+	unsigned int num_depends;
 };
 
 /* Ask the user a yes/no question: the answer is NO if there's an error. */
 bool ask(const char *question);
 
+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 */
+};
+
+/* 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;
+
+	enum {
+		PP_COND_IF,
+		PP_COND_IFDEF,
+		PP_COND_UNKNOWN,
+	} type;
+
+	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;
+};
+
 struct ccan_file {
 	struct list_node list;
 
 	char *name;
 
+	/* Pristine version of the original file.
+	 * Use get_ccan_file_lines to fill this. */
+	const char *contents;
+	size_t contents_size;
+
+	/* Use get_ccan_file_lines / get_ccan_line_info to fill these. */
 	unsigned int num_lines;
 	char **lines;
+	struct line_info *line_info;
 
 	struct list_head *doc_sections;
 };
@@ -63,21 +116,43 @@ struct ccan_file {
 /* Use this rather than accessing f->lines directly: loads on demand. */
 char **get_ccan_file_lines(struct ccan_file *f);
 
+/* Use this rather than accessing f->lines directly: loads on demand. */
+struct line_info *get_ccan_line_info(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);
+/* Talloc 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);
 
-/* The critical tests which mean fail if they don't pass. */
-extern struct ccanlint no_info;
-extern struct ccanlint has_main_header;
-
 /* Normal tests. */
 extern struct ccanlint trailing_whitespace;
 
+/* Dependencies */
+struct dependent {
+	struct list_node node;
+	struct ccanlint *dependent;
+};
 
 #endif /* CCAN_LINT_H */