From c811a743a1528db1d05970e1aa14162ef7c70b75 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 21 Sep 2019 13:59:39 +0200
Subject: Implement vararg, verify arguments to parameters

---
 src/tokenizer.c | 46 ++++++++++++++++++++++++++++++++--------------
 1 file changed, 32 insertions(+), 14 deletions(-)

(limited to 'src/tokenizer.c')

diff --git a/src/tokenizer.c b/src/tokenizer.c
index 9ce1bba..d753b20 100644
--- a/src/tokenizer.c
+++ b/src/tokenizer.c
@@ -235,19 +235,6 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) {
             }
         }
         *token = TOK_IDENTIFIER;
-    } else if(c == '"') {
-        int string_end;
-        ++self->index;
-        string_end = find_end_of_string(self->code, self->index);
-        if(string_end == -1) {
-            tokenizer_print_error(self, self->prev_index, "String end not found. Did you forget '\"' or did you have a mismatch of number of '\"'?");
-            return TOKENIZER_ERR;
-        }
-
-        self->value.string.data = &self->code.data[self->index];
-        self->value.string.size = string_end - self->index;
-        self->index = string_end + 1;
-        *token = TOK_STRING;
     } else if(isDigit(c)) {
         int number_start;
         int dot_index;
@@ -290,9 +277,31 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) {
             self->number_is_integer = bool_false;
         }
         *token = TOK_NUMBER;
+    } else if(c == '"') {
+        int string_end;
+        ++self->index;
+        string_end = find_end_of_string(self->code, self->index);
+        if(string_end == -1) {
+            tokenizer_print_error(self, self->prev_index, "String end not found. Did you forget '\"' or did you have a mismatch of number of '\"'?");
+            return TOKENIZER_ERR;
+        }
+
+        self->value.string.data = &self->code.data[self->index];
+        self->value.string.size = string_end - self->index;
+        self->index = string_end + 1;
+        *token = TOK_STRING;
     } else if(c == '.') {
+        const char *start = self->code.data + self->index;
         ++self->index;
-        SET_BINOP(BINOP_DOT);
+        /* ... */
+        if((usize)self->index + 2 < self->code.size && am_memcmp(self->code.data + self->index, "..", 2) == 0) {
+            self->index += 2;
+            self->value.identifier.data = start;
+            self->value.identifier.size = 3;
+            *token = TOK_C_VARARGS;
+        } else {
+            SET_BINOP(BINOP_DOT);
+        }
     } else if(c == '+') {
         ++self->index;
         SET_BINOP(BINOP_ADD);
@@ -351,6 +360,9 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) {
     } else if(c == ':') {
         ++self->index;
         *token = TOK_COLON;
+    } else if(c == '?') {
+        ++self->index;
+        *token = TOK_QUESTION_MARK;
     } else if(c == '@') {
         const char *err_msg;
         ++self->index;
@@ -502,6 +514,12 @@ static BufferView tokenizer_expected_token_as_string(Token token) {
         case TOK_RETURN:
             str = "return";
             break;
+        case TOK_QUESTION_MARK:
+            str = "?";
+            break;
+        case TOK_C_VARARGS:
+            str = "...";
+            break;
     }
     return create_buffer_view(str, strlen(str));
 }
-- 
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