#include "ccanlint.h"
-#include "get_file_lines.h"
-#include <talloc/talloc.h>
-#include <string/string.h>
-#include <noerr/noerr.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <ccan/str_talloc/str_talloc.h>
+#include <ccan/grab_file/grab_file.h>
+#include <ccan/noerr/noerr.h>
+#include "../tools.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <dirent.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <assert.h>
+
+const char *ccan_dir;
char **get_ccan_file_lines(struct ccan_file *f)
{
if (!f->lines)
- f->lines = get_file_lines(f, f->name, &f->num_lines);
+ f->lines = strsplit(f, f->contents, "\n", &f->num_lines);
+
return f->lines;
}
+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);
+ }
+ return f->doc_sections;
+}
+
+struct ccan_file *new_ccan_file(const void *ctx, const char *dir, char *name)
+{
+ struct ccan_file *f;
+
+ assert(dir[0] == '/');
+
+ 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);
+ f->fullname = talloc_asprintf(f, "%s/%s", dir, f->name);
+ return f;
+}
+
static void add_files(struct manifest *m, const char *dir)
{
DIR *d;
if (ent->d_name[0] == '.')
continue;
- f = talloc(m, struct ccan_file);
- f->lines = NULL;
- f->name = talloc_asprintf(f, "%s%s", dir, ent->d_name);
+ f = new_ccan_file(m, m->dir,
+ talloc_asprintf(m, "%s%s",
+ dir, ent->d_name));
if (lstat(f->name, &st) != 0)
err(1, "lstat %s", f->name);
continue;
}
- if (streq(f->name, "_info.c")) {
+ 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"))
+ if (!is_c_src && !strends(f->name, ".h")) {
+ /* We don't pull in contents of non-source files */
dest = &m->other_files;
- else if (!strchr(f->name, '/')) {
+ 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/run"))
+ 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_files;
+ dest = &m->other_test_c_files;
} else
dest = &m->other_test_files;
} else
return sofar;
}
-struct manifest *get_manifest(void)
+struct manifest *get_manifest(const void *ctx, const char *dir)
{
- struct manifest *m = talloc(NULL, struct manifest);
+ 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);
- /* *This* is why people hate C. */
- len = 32;
- m->basename = talloc_array(m, char, len);
- while (!getcwd(m->basename, len)) {
- if (errno != ERANGE)
- err(1, "Getting current directory");
- m->basename = talloc_realloc(m, m->basename, char, len *= 2);
- }
+ olddir = talloc_getcwd(NULL);
+ if (!olddir)
+ err(1, "Getting current directory");
+
+ if (chdir(dir) != 0)
+ err(1, "Failed to chdir to %s", dir);
- len = strlen(m->basename);
- while (len && m->basename[len-1] == '/')
- m->basename[--len] = '\0';
+ m->dir = talloc_getcwd(m);
+ if (!m->dir)
+ err(1, "Getting current directory");
- m->basename = strrchr(m->basename, '/');
+ len = strlen(m->dir);
+ while (len && m->dir[len-1] == '/')
+ m->dir[--len] = '\0';
+
+ m->basename = strrchr(m->dir, '/');
if (!m->basename)
errx(1, "I don't expect to be run from the root directory");
m->basename++;
+ /* We expect the ccan dir to be two levels above module dir. */
+ if (!ccan_dir) {
+ char *p;
+ ccan_dir = talloc_strdup(NULL, m->dir);
+ p = strrchr(ccan_dir, '/');
+ *p = '\0';
+ p = strrchr(ccan_dir, '/');
+ *p = '\0';
+ }
+
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.
+ * @line: line to copy
+ * @in_comment: are we already within a comment (from prev line).
+ * @unterminated: are we still in a comment for next line.
+ */
+static char *remove_comments(const char *line, bool in_comment,
+ bool *unterminated)
+{
+ char *p, *ret = talloc_array(line, char, strlen(line) + 1);
+
+ p = ret;
+ for (;;) {
+ if (!in_comment) {
+ /* Find first comment. */
+ const char *old_comment = strstr(line, "/*");
+ const char *new_comment = strstr(line, "//");
+ const char *comment;
+
+ if (new_comment && old_comment)
+ comment = new_comment < old_comment
+ ? new_comment : old_comment;
+ else if (old_comment)
+ comment = old_comment;
+ else if (new_comment)
+ comment = new_comment;
+ else {
+ /* Nothing more. */
+ strcpy(p, line);
+ *unterminated = false;
+ break;
+ }
+
+ /* Copy up to comment. */
+ memcpy(p, line, comment - line);
+ p += comment - line;
+ line += comment - line + 2;
+
+ if (comment == new_comment) {
+ /* We're done: goes to EOL. */
+ p[0] = '\0';
+ *unterminated = false;
+ break;
+ }
+ in_comment = true;
+ }
+
+ if (in_comment) {
+ const char *end = strstr(line, "*/");
+ if (!end) {
+ *unterminated = true;
+ p[0] = '\0';
+ break;
+ }
+ line = end+2;
+ in_comment = false;
+ }
+ }
+ return ret;
+}
+
+static bool is_empty(const char *line)
+{
+ return strspn(line, " \t") == strlen(line);
+}
+
+static bool continues(const char *line)
+{
+ /* Technically, any odd number of these. But who cares? */
+ return strends(line, "\\");
+}
+
+/* Get token if it's equal to token. */
+bool get_token(const char **line, const char *token)
+{
+ unsigned int toklen;
+
+ *line += strspn(*line, " \t");
+ if (isalnum(token[0]) || token[0] == '_')
+ toklen = strspn(*line, IDENT_CHARS);
+ else {
+ /* FIXME: real tokenizer handles ++ and other multi-chars. */
+ toklen = strlen(token);
+ }
+
+ if (toklen == strlen(token) && !strncmp(*line, token, toklen)) {
+ *line += toklen;
+ return true;
+ }
+ return false;
+}
+
+char *get_symbol_token(void *ctx, const char **line)
+{
+ unsigned int toklen;
+ char *ret;
+
+ *line += strspn(*line, " \t");
+ toklen = strspn(*line, IDENT_CHARS);
+ if (!toklen)
+ return NULL;
+ ret = talloc_strndup(ctx, *line, toklen);
+ *line += toklen;
+ return ret;
+}
+
+static bool parse_hash_if(struct pp_conditions *cond, const char **line)
+{
+ bool brackets, defined;
+
+ cond->inverse = get_token(line, "!");
+ defined = get_token(line, "defined");
+ brackets = get_token(line, "(");
+ cond->symbol = get_symbol_token(cond, line);
+ if (!cond->symbol)
+ return false;
+ if (brackets && !get_token(line, ")"))
+ return false;
+ if (!defined)
+ cond->type = PP_COND_IF;
+ return true;
+}
+
+/* FIXME: Get serious! */
+static struct pp_conditions *analyze_directive(struct ccan_file *f,
+ const char *line,
+ struct pp_conditions *parent)
+{
+ struct pp_conditions *cond = talloc(f, struct pp_conditions);
+ bool unused;
+
+ line = remove_comments(line, false, &unused);
+
+ cond->parent = parent;
+ cond->type = PP_COND_IFDEF;
+
+ if (!get_token(&line, "#"))
+ abort();
+
+ if (get_token(&line, "if")) {
+ if (!parse_hash_if(cond, &line))
+ goto unknown;
+ } else if (get_token(&line, "elif")) {
+ /* Malformed? */
+ if (!parent)
+ return NULL;
+ cond->parent = parent->parent;
+ /* FIXME: Not quite true. This implies !parent, but we don't
+ * do multiple conditionals yet. */
+ if (!parse_hash_if(cond, &line))
+ goto unknown;
+ } else if (get_token(&line, "ifdef")) {
+ bool brackets;
+ cond->inverse = false;
+ brackets = get_token(&line, "(");
+ cond->symbol = get_symbol_token(cond, &line);
+ if (!cond->symbol)
+ goto unknown;
+ if (brackets && !get_token(&line, ")"))
+ goto unknown;
+ } else if (get_token(&line, "ifndef")) {
+ bool brackets;
+ cond->inverse = true;
+ brackets = get_token(&line, "(");
+ cond->symbol = get_symbol_token(cond, &line);
+ if (!cond->symbol)
+ goto unknown;
+ if (brackets && !get_token(&line, ")"))
+ goto unknown;
+ } else if (get_token(&line, "else")) {
+ /* Malformed? */
+ if (!parent)
+ return NULL;
+
+ *cond = *parent;
+ cond->inverse = !cond->inverse;
+ return cond;
+ } else if (get_token(&line, "endif")) {
+ talloc_free(cond);
+ /* Malformed? */
+ if (!parent)
+ return NULL;
+ /* Back up one! */
+ return parent->parent;
+ } else {
+ /* Not a conditional. */
+ talloc_free(cond);
+ return parent;
+ }
+
+ if (!is_empty(line))
+ goto unknown;
+ return cond;
+
+unknown:
+ cond->type = PP_COND_UNKNOWN;
+ return cond;
+}
+
+/* This parser is rough, but OK if code is reasonably neat. */
+struct line_info *get_ccan_line_info(struct ccan_file *f)
+{
+ bool continued = false, in_comment = false;
+ struct pp_conditions *cond = NULL;
+ unsigned int i;
+
+ if (f->line_info)
+ return f->line_info;
+
+ get_ccan_file_lines(f);
+ f->line_info = talloc_array(f->lines, struct line_info, f->num_lines);
+
+ for (i = 0; i < f->num_lines; continued = continues(f->lines[i++])) {
+ char *p;
+ bool still_doc_line;
+
+ /* Current conditions apply to this line. */
+ f->line_info[i].cond = cond;
+ f->line_info[i].continued = continued;
+
+ if (continued) {
+ /* Same as last line. */
+ f->line_info[i].type = f->line_info[i-1].type;
+ /* Update in_comment. */
+ remove_comments(f->lines[i], in_comment, &in_comment);
+ continue;
+ }
+
+ /* Preprocessor directive? */
+ if (!in_comment
+ && f->lines[i][strspn(f->lines[i], " \t")] == '#') {
+ f->line_info[i].type = PREPROC_LINE;
+ cond = analyze_directive(f, f->lines[i], cond);
+ continue;
+ }
+
+ still_doc_line = (in_comment
+ && f->line_info[i-1].type == DOC_LINE);
+
+ p = remove_comments(f->lines[i], in_comment, &in_comment);
+ if (is_empty(p)) {
+ if (strstarts(f->lines[i], "/**") || still_doc_line)
+ f->line_info[i].type = DOC_LINE;
+ else
+ f->line_info[i].type = COMMENT_LINE;
+ } else
+ f->line_info[i].type = CODE_LINE;
+ talloc_free(p);
+ }
+ return f->line_info;
+}
+
+struct symbol {
+ struct list_node list;
+ const char *name;
+ const unsigned int *value;
+};
+
+static struct symbol *find_symbol(struct list_head *syms, const char *sym)
+{
+ struct symbol *i;
+
+ list_for_each(syms, i, list)
+ if (streq(sym, i->name))
+ return i;
+ return NULL;
+}
+
+static enum line_compiled get_pp(struct pp_conditions *cond,
+ struct list_head *syms)
+{
+ struct symbol *sym;
+ unsigned int val;
+ enum line_compiled parent, ret;
+
+ /* No conditions? Easy. */
+ if (!cond)
+ return COMPILED;
+
+ /* Check we get here at all. */
+ parent = get_pp(cond->parent, syms);
+ if (parent == NOT_COMPILED)
+ return NOT_COMPILED;
+
+ if (cond->type == PP_COND_UNKNOWN)
+ return MAYBE_COMPILED;
+
+ sym = find_symbol(syms, cond->symbol);
+ if (!sym)
+ return MAYBE_COMPILED;
+
+ switch (cond->type) {
+ case PP_COND_IF:
+ /* Undefined is 0. */
+ val = sym->value ? *sym->value : 0;
+ if (!val == cond->inverse)
+ ret = COMPILED;
+ else
+ ret = NOT_COMPILED;
+ break;
+
+ case PP_COND_IFDEF:
+ if (cond->inverse == !sym->value)
+ ret = COMPILED;
+ else
+ ret = NOT_COMPILED;
+ break;
+
+ default:
+ abort();
+ }
+
+ /* If parent didn't know, NO == NO, but YES == MAYBE. */
+ if (parent == MAYBE_COMPILED && ret == COMPILED)
+ ret = MAYBE_COMPILED;
+ return ret;
+}
+
+static void add_symbol(struct list_head *head,
+ const char *symbol, const unsigned int *value)
+{
+ struct symbol *sym = talloc(head, struct symbol);
+ sym->name = symbol;
+ sym->value = value;
+ list_add(head, &sym->list);
+}
+
+enum line_compiled get_ccan_line_pp(struct pp_conditions *cond,
+ const char *symbol,
+ const unsigned int *value,
+ ...)
+{
+ enum line_compiled ret;
+ struct list_head *head;
+ va_list ap;
+
+ head = talloc(NULL, struct list_head);
+ list_head_init(head);
+
+ va_start(ap, value);
+ add_symbol(head, symbol, value);
+
+ while ((symbol = va_arg(ap, const char *)) != NULL) {
+ value = va_arg(ap, const unsigned int *);
+ add_symbol(head, symbol, value);
+ }
+ ret = get_pp(cond, head);
+ talloc_free(head);
+ return ret;
+}
+
projects / ccan / blobdiff