Disallow keywords as identifier names

1 files changed, 40 insertions, 0 deletions

diff --git a/src/keywords.gperf b/src/keywords.gperf
new file mode 100644
index 0000000..7d81705
--- /dev/null
+++ b/src/keywords.gperf
@@ -0,0 +1,40 @@
+%compare-lengths
+%compare-strncmp
+%includes
+%readonly-tables
+
+%{
+#include <stdbool.h>
+
+#include "strview.h"
+
+static const char *in_word_set(const char *, size_t);
+%}
+
+%%
+pub
+static
+bool
+i8
+i16
+i32
+i64
+i128
+int
+u8
+u16
+u32
+u64
+u128
+uint
+f16
+f32
+f64
+f128
+rune
+%%
+bool
+iskeyword(strview_t sv)
+{
+	return in_word_set(sv.p, sv.len) != NULL;
+}