sic

commit 407194a44947ada45cf0baaa0c458077156a2eb2
parent 05c4135547a761744cd1553980fed2b9f853cade
Author: citbl <citbl@citbl.org>
Date:   Sun, 10 May 2026 20:28:19 +1000

parsing number wip

Diffstat:
M
src/common.h
 | 
9
++-------
M
src/lexer.c
 | 
13
++++++++++---
M
src/utils.c
 | 
2
+-
M
test.sic
 | 
5
++---

4 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/src/common.h b/src/common.h
@@ -64,12 +64,7 @@ typedef struct String {
 
 typedef struct Token {
     Token_Type type;
-    union Value {
-        String as_string;
-        char as_char;
-        size_t as_int;
-        bool as_bool;
-    } value;
+    String lexeme;
     const char *path;
     const char *filename;
     size_t line;
@@ -97,4 +92,4 @@ typedef struct Lexer {
 
 /////////////////////////////////////////////////
 
-void die(bool condition, const char *message);
+void check(bool condition, const char *message);
diff --git a/src/lexer.c b/src/lexer.c
@@ -8,6 +8,7 @@ static void add_token(Lexer *lex, Token t)
     if (lex->len >= lex->cap) {
         lex->cap = lex->cap == 0 ? 256 : lex->cap * 2;
         lex->tokens = realloc(lex->tokens, lex->cap * sizeof(Token));
+        check(lex->tokens == NULL, "could not allocate memory for the tokens\n");
     }
 
     lex->tokens[lex->len++] = t;
@@ -27,7 +28,7 @@ void print_tokens(Lexer *lex)
 
         switch (typ) {
         case LIT_STRING:
-            printf("STRING LITERAL: %s\n", lex->tokens[i].value.as_string.value);
+            printf("STRING LITERAL: %s\n", lex->tokens[i].lexeme.value);
             break;
         default:
             printf("print_tokens: unhandled token %i", typ);
@@ -38,11 +39,12 @@ void print_tokens(Lexer *lex)
 
 static void add_to_string(Token *tok, char c)
 {
-    String *str = &tok->value.as_string;
+    String *str = &tok->lexeme;
 
     if (str->len >= str->cap) {
         str->cap = str->cap == 0 ? 256 : str->cap * 2;
         str->value = realloc(str->value, str->cap * sizeof(char));
+        check(str->value == NULL, "could not allocate memory for string in lexer\n");
     }
 
     str->value[str->len++] = c;
@@ -83,12 +85,16 @@ static void run_until_char(Lexer *lex, char c)
     advance(lex);
 }
 
+static void lex_number(Lexer *lex)
+{
+}
+
 Lexer *lexer_lex(Lexer *lex)
 {
     char c = '\0';
     size_t len = strlen(lex->code);
     Token t = {
-        .filename = lex->filename, .path = lex->path, .col = -1, .line = -1, .type = NOTYETSET, .value = {0}};
+        .filename = lex->filename, .path = lex->path, .col = -1, .line = -1, .type = NOTYETSET, .lexeme = {0}};
 
     lex->tokens = calloc(250, sizeof(Token));
     lex->state.pos = 0;
@@ -104,6 +110,7 @@ Lexer *lexer_lex(Lexer *lex)
         }
 
         if (isdigit(c)) {
+            lex_number(lex);
         }
 
         switch (c) {
diff --git a/src/utils.c b/src/utils.c
@@ -43,7 +43,7 @@ void separate_file_from_path(const char *fullpath, char **out_path, char **out_f
     free(path);
 }
 
-void die(bool condition, const char *message)
+void check(bool condition, const char *message)
 {
     if (!condition) return;
     fprintf(stderr, "%s", message);
diff --git a/test.sic b/test.sic
@@ -1,6 +1,5 @@
 // this is a comment
 
-void main() {
-	str name = "Johnny Mnemonic";
-}
+str name = "Johnny Mnemonic";
+int age = 45;