new testing infrastructure

src/test/scanner.h

@@ -0,0 +1,32 @@
+#ifndef TEST_SCANNER_H
+#define TEST_SCANNER_H
+
+#include <stddef.h>
+#include <stdbool.h>
+
+typedef struct {
+	const char *src;
+	size_t cur, len;
+} NojaTestScanner;
+
+bool noMoreCharacters(NojaTestScanner *scanner);
+bool followsCharacter(NojaTestScanner *scanner, char c);
+bool followsCharacterThat(NojaTestScanner *scanner, int (*testfn)(int c));
+void consumeCharactersThat(NojaTestScanner *scanner, int (*testfn)(int c));
+bool ifFollowsConsumeCharacter(NojaTestScanner *scanner, char c);
+/*
+#ifndef NDEBUG
+bool noMoreCharacters__wrapped(NojaTestScanner *scanner, const char *file, size_t line);
+bool followsCharacter__wrapped(NojaTestScanner *scanner, char c, const char *file, size_t line);
+bool followsCharacterThat__wrapped(NojaTestScanner *scanner, int (*testfn)(int c), const char *file, size_t line);
+void consumeCharactersThat__wrapped(NojaTestScanner *scanner, int (*testfn)(int c), const char *file, size_t line);
+bool ifFollowsConsumeCharacter__wrapped(NojaTestScanner *scanner, char c, const char *file, size_t line);
+
+#define noMoreCharacters(scanner) noMoreCharacters__wrapped(scanner, __FILE__, __LINE__)
+#define followsCharacter(scanner, c) followsCharacter__wrapped(scanner, c, __FILE__, __LINE__)
+#define followsCharacterThat(scanner, testfn) followsCharacterThat__wrapped(scanner, testfn, __FILE__, __LINE__)
+#define consumeCharactersThat(scanner, testfn) consumeCharacterThat__wrapped(scanner, testfn, __FILE__, __LINE__)
+#define ifFollowsConsumeCharacter(scanner, c) ifFollowsConsumeCharacter__wrapped(scanner, c, __FILE__, __LINE__)
+#endif
+*/
+#endif