1 files changed, 65 insertions, 0 deletions
diff --git a/parse.h b/parse.h
new file mode 100644
index 0000000..a240313
--- /dev/null
+++ b/parse.h
@@ -0,0 +1,65 @@
+#ifndef PARSE_H
+#define PARSE_H
+
+#include <stddef.h>
+#include <stdbool.h>
+
+#include "lex.h"
+#include "instruction.h"
+
+struct label {
+	char *name;
+	size_t byte_offset;
+};
+
+union immediate {
+	const char *label;
+	int16_t value;
+};
+
+struct r_type {
+	enum OPER oper;
+	enum REG dest;
+	enum REG left;
+	enum REG right;
+};
+
+struct i_type {
+	enum OPER oper;
+	enum REG dest;
+	enum REG left;
+	bool imm_is_ident;
+	union immediate imm;
+};
+
+struct jr_type {
+	enum JCOND cond;
+	enum REG reg;
+};
+
+struct ji_type {
+	enum JCOND cond;
+	bool imm_is_ident;
+	union immediate imm;
+};
+
+struct b_type {
+	enum JCOND cond;
+	bool imm_is_ident;
+	union immediate imm;
+};
+
+struct instruction {
+	enum INST_TYPE type;
+	union instruction_u {
+		struct r_type r;   /* catch-all R-Type */
+		struct i_type i;   /* I-type on immediate literal */
+		struct jr_type jr; /* jump to register */
+		struct ji_type ji; /* jump to immediate */
+		struct b_type b;   /* branch to immediate literal */
+	} inst;
+};
+
+int parse(const char *filename_local, FILE *fd, struct label **labels_local, size_t *labels_count_local, struct token *tokens, size_t tokens_count, struct instruction **instructions, size_t *instructions_count);
+
+#endif /* PARSE_H */