sic

commit e57fe33ccd7f8f4c550ec7931b7b3f9405093402
parent ea3dd11b971262fdc221b8d485b6b3c40127e12e
Author: citbl <citbl@citbl.org>
Date:   Wed, 13 May 2026 19:26:05 +1000

num parsing

Diffstat:
M
src/lexer.c
 | 
3
+--
M
test.sic
 | 
1
+

2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/lexer.c b/src/lexer.c
@@ -70,7 +70,6 @@ static char peek(Lexer* lex)
 static char advance(Lexer* lex)
 {
     const char c = peek(lex);
-    // if (!c) return c;
     if (c == '\n') {
         lex->state.line++;
         lex->state.col = 1;
@@ -105,11 +104,11 @@ static void lex_number(Lexer* lex, Token* tok)
     while (lex->state.pos < lex->code_len) {
         advance(lex);
         c = peek(lex);
-        // TODO lexing numbers: commas and underscores
         if (c == '.' && tok->type == LIT_DECIMAL) {
             err(lex, "parsing number failed with more than one decimal point '.'\n");
         }
         if (c == '.' && tok->type == LIT_INT) tok->type = LIT_DECIMAL;
+        if (c == '_' && tok->type == LIT_INT) continue;  // allow _ in large integers
         if (c != '.' && !isdigit((unsigned char)c)) break;
         str_append(str, c);
     }
diff --git a/test.sic b/test.sic
@@ -2,6 +2,7 @@
 
 str name = "Johnny Mnemonic";
 int age = 45;
+int km = 400_000_000;
 dec height = 188.3;