From e5eeded02a4abe2729e675203437c79d9ee71a7a Mon Sep 17 00:00:00 2001
From: David Phillips <david@sighup.nz>
Date: Sun, 14 Apr 2019 19:27:09 +1200
Subject: emit_error -> emit, factor keywords out
---
util.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
(limited to 'util.c')
diff --git a/util.c b/util.c
index c9b0bc1..8d171a1 100644
--- a/util.c
+++ b/util.c
@@ -5,6 +5,22 @@
#include "lex.h"
/**
+ * Keywords
+ */
+static struct {
+ int look;
+ const char *str;
+} keywords[] = {
+ { .look = 0, .str = "declare" },
+ { .look = 0, .str = "byte" },
+ { .look = 0, .str = "bytes" },
+ { .look = 0, .str = "word" },
+ { .look = 0, .str = "words" },
+ { .look = 0, .str = "base" },
+ { .str = NULL },
+};
+
+/**
* Human-readable descriptions for tokens
*/
static struct {
@@ -117,7 +133,8 @@ int name(const char *x, type *res) { \
size_t i = 0; \
for (i = 0; lookup[i].str; i++) \
if (strcmp(lookup[i].str, x) == 0) { \
- *res = lookup[i].look; \
+ if (res) \
+ *res = lookup[i].look; \
return 0; \
} \
return 1; \
@@ -129,6 +146,7 @@ GENERATE_STR_LOOKUP_FUNC(get_asm_from_b, b_to_asm, enum JCOND);
GENERATE_STR_LOOKUP_FUNC(get_asm_from_reg, reg_to_asm, enum REG);
GENERATE_STR_LOOKUP_FUNC(get_token_description, token_to_desc, enum TOKEN_TYPE);
+GENERATE_NUM_LOOKUP_FUNC(get_keyword, keywords, int);
GENERATE_NUM_LOOKUP_FUNC(get_oper_from_asm, oper_to_asm, enum OPER);
GENERATE_NUM_LOOKUP_FUNC(get_j_from_asm, j_to_asm, enum JCOND);
GENERATE_NUM_LOOKUP_FUNC(get_b_from_asm, b_to_asm, enum JCOND);
--
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