syntax: drop Infinity and NaN keywords

Turn the Infinity and NaN keywords into global properties.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

2 files changed, 4 insertions, 6 deletions

diff --git a/lexer.c b/lexer.c
index 95acfe6..0d0b9b0 100644
--- a/lexer.c
+++ b/lexer.c
@@ -136,7 +136,6 @@ static const struct token tokens[] = {
 
 static const struct keyword reserved_words[] = {
 	{ TK_ENDFUNC,	"endfunction", 11, { 0 } },
-	{ TK_DOUBLE,	"Infinity", 8, { .d = INFINITY } },
 	{ TK_CONTINUE,	"continue", 8, { 0 } },
 	{ TK_ENDWHILE,	"endwhile", 8, { 0 } },
 	{ TK_FUNC,		"function", 8, { 0 } },
@@ -160,7 +159,6 @@ static const struct keyword reserved_words[] = {
 	{ TK_THIS,		"this",  4, { 0 } },
 	{ TK_NULL,		"null",  4, { 0 } },
 	{ TK_CASE,		"case",  4, { 0 } },
-	{ TK_DOUBLE,	"NaN",   3, { .d = NAN } },
 	{ TK_TRY,		"try",   3, { 0 } },
 	{ TK_FOR,		"for",   3, { 0 } },
 	{ TK_LOCAL,		"let",   3, { 0 } },
@@ -742,10 +740,6 @@ parse_label(uc_lexer *lex)
 					lookbehind_reset(lex);
 
 					switch (word->type) {
-					case TK_DOUBLE:
-						rv = emit_op(lex, lex->source->off - word->plen, word->type, ucv_double_new(word->u.d));
-						break;
-
 					case TK_BOOL:
 						rv = emit_op(lex, lex->source->off - word->plen, word->type, ucv_boolean_new(word->u.b));
 						break;
diff --git a/lib.c b/lib.c
index 1a70d37..98307f6 100644
--- a/lib.c
+++ b/lib.c
@@ -2601,6 +2601,10 @@ uc_alloc_global(uc_vm *vm)
 
 	ucv_object_add(global, "REQUIRE_SEARCH_PATH", arr);
 
+	/* register global math constants */
+	ucv_object_add(global, "NaN", ucv_double_new(NAN));
+	ucv_object_add(global, "Infinity", ucv_double_new(INFINITY));
+
 	/* register global property */
 	ucv_object_add(global, "global", ucv_get(global));