From: Robert Pengelly <robertapengelly@hotmail.com>
Date: Sun, 31 May 2026 11:44:08 +0000 (+0100)
Subject: Added -fmax-errors
X-Git-Url: https://git.candlhat.org/?a=commitdiff_plain;h=a41673c16c237c5106db8791d4a8e6c7e1bc700e;p=scc.git

Added -fmax-errors
---

diff --git a/cc.h b/cc.h
index 791689c..d971fae 100755
--- a/cc.h
+++ b/cc.h
@@ -28,6 +28,7 @@ struct cc_state {
     int long64;
     int syntax;
     
+    unsigned long max_errors;
     long version;
 
 };
diff --git a/lib.c b/lib.c
index c7051ac..bfa7a40 100755
--- a/lib.c
+++ b/lib.c
@@ -38,13 +38,14 @@ struct cc_option {
 #define     CC_OPTION_NO_LEADING_UNDERSCORE                 5
 #define     CC_OPTION_NO_LINEMARKERS                        6
 #define     CC_OPTION_MASM                                  7
-#define     CC_OPTION_MLONG64                               8
-#define     CC_OPTION_OUTFILE                               9
-#define     CC_OPTION_PEDANTIC                              10
-#define     CC_OPTION_PREPOCESS                             11
-#define     CC_OPTION_STD                                   12
-#define     CC_OPTION_TRANDITIONAL_LINEMARKERS              13
-#define     CC_OPTION_UNDEF                                 14
+#define     CC_OPTION_MAX_ERRORS                            8
+#define     CC_OPTION_MLONG64                               9
+#define     CC_OPTION_OUTFILE                               10
+#define     CC_OPTION_PEDANTIC                              11
+#define     CC_OPTION_PREPOCESS                             12
+#define     CC_OPTION_STD                                   13
+#define     CC_OPTION_TRANDITIONAL_LINEMARKERS              14
+#define     CC_OPTION_UNDEF                                 15
 
 static struct cc_option opts[] = {
 
@@ -62,6 +63,7 @@ static struct cc_option opts[] = {
     {   "-S",                               CC_OPTION_COMPILE,                      CC_OPTION_NO_ARG        },
     
     {   "-fno-leading-underscore",          CC_OPTION_NO_LEADING_UNDERSCORE,        CC_OPTION_NO_ARG        },
+    {   "-fmax-errors",                     CC_OPTION_MAX_ERRORS,                   CC_OPTION_EQUALS_ARG    },
     {   "-mlong64",                         CC_OPTION_MLONG64,                      CC_OPTION_NO_ARG        },
     {   "-masm",                            CC_OPTION_MASM,                         CC_OPTION_EQUALS_ARG    },
     
@@ -114,9 +116,10 @@ static void print_usage (void) {
         fprintf (stderr, "                                      <standard>.\n");
         fprintf (stderr, "                                          Currently only C89 and C90 are\n");
         fprintf (stderr, "                                          supported.\n");
-        fprintf (stderr, "    -masm=<syntax>                    Output <systax> compatible syntax.\n");
+        fprintf (stderr, "    -masm=<syntax>                    Output <syntax> compatible syntax.\n");
         fprintf (stderr, "                                          Defaults to MASM but also supports\n");
         fprintf (stderr, "                                          GNU AT&T, GNU INTEL and NASM.\n");
+        fprintf (stderr, "    -fmax-errors=<count>              Stop execution after <count> errros.\n");
         fprintf (stderr, "\n");
         fprintf (stderr, "    -fno-leading-underscore           Don't prefix symbols with an underscore.\n");
         fprintf (stderr, "    -mlong64                          Convert long to 64-bit.\n");
@@ -409,6 +412,19 @@ void parse_args (int argc, char **argv, int optind) {
             
             }
             
+            case CC_OPTION_MAX_ERRORS: {
+            
+                if (!(state->max_errors = atol (optarg))) {
+                
+                    report_at (program_name, 0, REPORT_ERROR, "invalid number for -fmax-errors=");
+                    exit (EXIT_FAILURE);    
+                
+                }
+                
+                break;
+            
+            }
+            
             case CC_OPTION_MLONG64: {
             
                 state->long64 = 1;
diff --git a/report.c b/report.c
index caea66a..2206a2b 100755
--- a/report.c
+++ b/report.c
@@ -6,6 +6,7 @@
 #include    <stdlib.h>
 #include    <string.h>
 
+#include    "cc.h"
 #include    "ll.h"
 #include    "report.h"
 
@@ -156,6 +157,10 @@ void report_at (const char *filename, unsigned long lineno, int type, const char
     va_start (ap, fmt);
     output_message (filename, lineno, 0, type, fmt, ap);
     va_end (ap);
+    
+    if (errors >= state->max_errors) {
+        exit (EXIT_FAILURE);
+    }
 
 }
 
@@ -210,14 +215,9 @@ void report_line_at (const char *filename, unsigned long lineno, int type, const
     
     char *actual_line = get_actual_line (filename, lineno);
     
-    /*if (!(actual_line = get_actual_line (filename, lineno))) {
-    
-        filename = get_real_filename ();
-        lineno += (get_real_line_number () - lineno);
-    
-    }*/
-    
-    if (str && caret) { idx = (caret - str) + 1; }
+    if (str && caret) {
+        idx = (caret - str) + 1;
+    }
     
     va_start (ap, fmt);
     output_message (filename, lineno, idx, type, fmt, ap);
@@ -252,34 +252,12 @@ void report_line_at (const char *filename, unsigned long lineno, int type, const
             fprintf (stderr, "^\n");
             free (actual_line);
         
-        }/* else {
-        
-            if (lineno > 0) {
-                ident = fprintf (stderr, " %8lu | ", lineno);
-            } else {
-                ident = fprintf (stderr, "%*s", 12, "");
-            }
-            
-            fprintf (stderr, "%s", str);
-            
-            if (str[strlen (str) - 1] != '\n') {
-                fprintf (stderr, "\n");
-            }
-            
-            len = (idx + ident) - 1;
-            
-            for (i = 0; i < ident; i++) {
-                putc (' ', stderr);
-            }
-            
-            for (; i < len; i++) {
-                putc ('-', stderr);
-            }
-            
-            fprintf (stderr, "^\n");
-        
-        }*/
+        }
+    
+    }
     
+    if (errors >= state->max_errors) {
+        exit (EXIT_FAILURE);
     }
 
 }