Add --error-limit option

git-svn-id: file://localhost/svn/verilator/trunk/verilator@1002 77ca24e4-aefa-0310-84f0-b9a241c72d87

Changes

@@ -3,7 +3,7 @@ Revision history for Verilator
 The contributors that suggested a given feature are shown in [].  [by ...]
 indicates the contributor was also the author of the fix; Thanks!
 
-* Verilator 3.65****
+* Verilator 3.66****
 
 ***  Add support for hard-coding VERILATOR_ROOT etc in the executables,
      to enable easier use of Verilator RPMs.  [Gunter Dannoritzer]
@@ -12,6 +12,8 @@ indicates the contributor was also the author of the fix; Thanks!
 
 ***  Convert re-defining macro error to warning.  [Stefan Thiede]
 
+***  Add --error-limit option.  [Stefan Thiede]
+
 **** Fix genvar to be signed, so "< 0" works properly.  [Niranjan Prabhu]
 
 **** Fix assignments to inputs inside functions/tasks.  [Patricio Kaplan]

bin/verilator

@@ -190,6 +190,7 @@ descriptions in the next sections for more information.
     --debug-check               Enable debugging assertions
     --dump-tree                 Enable dumping .tree files
     -E                          Preprocess, but do not compile
+    --error-limit <value>	Abort after this number of errors
     --exe                       Link to create executable
     -f <file>                   Parse options from a file
     --help                      Display this help.
@@ -348,6 +349,11 @@ Preprocess the source code, but do not compile, as with 'gcc -E'.  Output
 is written to standard out.  Beware of enabling debugging messages, as they
 will also go to standard out.
 
+=item --error-limit <value>
+
+After this number of errors or warnings are encountered, exit.  Defaults to
+50.
+
 =item --exe
 
 Generate a executable.  You will also need to pass additional .cpp files on

src/V3Error.cpp

@@ -243,8 +243,8 @@ void V3Error::incWarnings() {
 
 void V3Error::incErrors() {
     s_errCount++;
-    if (errorCount() == MAX_ERRORS) {  // Not >= as would otherwise recurse
-	v3fatal ("Exiting due to too many errors encountered\n");
+    if (errorCount() == v3Global.opt.errorLimit()) {  // Not >= as would otherwise recurse
+	v3fatal ("Exiting due to too many errors encountered; --error-limit="<<errorCount()<<endl);
     }
 }
 

src/V3Options.cpp

@@ -506,6 +506,10 @@ void V3Options::parseOptsList(FileLine* fl, int argc, char** argv) {
 		cout <<endl;
 		exit(0);
 	    }
+	    else if ( !strcmp (sw, "-error-limit") ) {
+		shift;
+		m_inlineMult = atoi(argv[i]);
+	    }
 	    else if ( !strcmp (sw, "-inline-mult") ) {
 		shift;
 		m_inlineMult = atoi(argv[i]);
@@ -770,6 +774,7 @@ V3Options::V3Options() {
     m_traceDups = false;
     m_underlineZero = false;
 
+    m_errorLimit = 50;
     m_inlineMult = 2000;
     m_outputSplit = 0;
     m_outputSplitCFuncs = 0;

src/V3Options.h

@@ -71,6 +71,7 @@ class V3Options {
     bool	m_traceDups;	// main switch: --trace-dups
     bool	m_underlineZero;// main switch: --underline-zero
 
+    int		m_errorLimit;	// main switch: --error-limit
     int		m_inlineMult;	// main switch: --inline-mult
     int		m_outputSplit;	// main switch: --output-split
     int		m_outputSplitCFuncs;// main switch: --output-split-cfuncs
@@ -160,6 +161,7 @@ class V3Options {
     bool ignc() const { return m_ignc; }
     bool inhibitSim() const { return m_inhibitSim; }
 
+    int	   errorLimit() const { return m_errorLimit; }
     int	   inlineMult() const { return m_inlineMult; }
     int	   outputSplit() const { return m_outputSplit; }
     int	   outputSplitCFuncs() const { return m_outputSplitCFuncs; }