basic error reporting

2024-07-05 03:30:02 +02:00
parent c7aab1d900
commit 2ec0f37115
2 changed files with 5 additions and 1 deletions
--- a/source/eaxhla.l
+++ b/source/eaxhla.l
@ -6,6 +6,7 @@
 identifier [A-z_][A-z0-9_]*
 wsnl       [ \t\r\v\f\n]

+%option yylineno
 %%

 program{wsnl}+{identifier}{wsnl}+begin{wsnl}+  { return PROGRAM_HEAD; }
--- a/source/eaxhla.y
+++ b/source/eaxhla.y
@ -4,7 +4,10 @@
    #include "eaxhla.yy.h"
    #include "assembler.h"

-    void yyerror() { ; }
+    void yyerror() {
+        printf("\033[31mError: syntax error at line %d.\033[0m\n", yylineno);
+    }
+
 %}

 %union{