1 files changed, 57 insertions, 0 deletions
diff --git a/noao/digiphot/photcal/parser/prerror.x b/noao/digiphot/photcal/parser/prerror.x
new file mode 100644
index 00000000..8821810e
--- /dev/null
+++ b/noao/digiphot/photcal/parser/prerror.x
@@ -0,0 +1,57 @@
+include	"../lib/parser.h"
+include	"../lib/prdefs.h"
+
+
+# PR_ERROR - Issue an error message to the standard output, and take an
+# error action acording to the severity code. Error messages can be disabled
+# if the error flag is set to NO.
+
+procedure pr_error (msg, severity)
+
+char	msg[ARB]		# error message
+int	severity		# severity code
+
+include	"lexer.com"
+
+#bool	clgetb()
+int	pr_geti()
+
+begin
+	# Debug ?
+	#if (clgetb ("debug.parcode")) {
+	    #call eprintf ("pr_error (msg=%s) (sev=%d)\n")
+		#call pargstr (msg)
+		#call pargi (severity)
+	#}
+
+	# Test whether to process errors, or not
+	if (pr_geti (FLAGERRORS) == NO)
+	    return
+
+	# Branch on error severity code
+	switch (severity) {
+	case PERR_WARNING:
+	    call pr_inci (NWARNINGS, 1)
+	    call printf ("** Warning near line %d: %s%s\n")
+	        call pargi (nlines)
+	        call pargstr (line)
+	        call pargstr (msg)
+	case PERR_SYNTAX:
+	    call pr_inci (NERRORS, 1)
+	    call printf ("** Error near line %d: %s%s at '%s'\n")
+	        call pargi (nlines)
+	        call pargstr (line)
+	        call pargstr (msg)
+		call pargstr (id)
+	case PERR_SEMANTIC:
+	    call pr_inci (NERRORS, 1)
+	    call printf ("** Error near line %d: %s%s\n")
+	        call pargi (nlines)
+	        call pargstr (line)
+	        call pargstr (msg)
+	case PERR_POSTPROC:
+	    call pr_inci (NERRORS, 1)
+	    call printf ("** Error: %s\n")
+	        call pargstr (msg)
+	}
+end