Extensions and better command line interface.

Packages/Manual_tools/src/cc_extract.C

@@ -15,8 +15,19 @@
 #include <stdio.h>
 #include <string.h>
 #include <stream.h>
-#include <config.h>
 #include <database.h>
+#include <config.h>
+
+typedef char Switch;
+ 
+#define NO_SWITCH    0
+#define MINUS_SWITCH 1
+#define PLUS_SWITCH  2
+ 
+Switch  trace_switch  = NO_SWITCH;
+Switch  noc_switch    = NO_SWITCH;
+Switch  nomc_switch   = NO_SWITCH;
+Switch  nosc_switch   = NO_SWITCH;
 
 
 /* Declarations from syntax.y */
@@ -29,6 +40,147 @@ void yyparse();
 void init_scanner( FILE* in);
 
 
+/* Name the scanned file */
+/* ===================== */
+const char* file_name = "<stdin>";
+
+
+/* Taylored semantic functions used in syntax.y */
+/* ============================================ */
+
+void handleMainComment( const Text& T) {
+    if ( noc_switch || nomc_switch)
+        return;
+    if ( indentation_number() > 0) {
+        cout << outdent;
+	printComment( cout, T, true);
+        cout << indent;
+    } else {
+	printComment( cout, T, true);
+    }
+}
+
+void handleComment( const Text& T) {
+    if ( noc_switch || nosc_switch)
+        return;
+    cout << indent;
+    printComment( cout, T, false);
+    cout << outdent;
+}
+
+void handleClass( const char* classname) {
+    cout << newline;
+    cout << "class " << classname << " {" << newline;
+    cout << "public:" << newline;
+    cout << indent;
+}
+
+void handleClassEnd( void) {
+    cout << outdent;
+    cout << newline;
+    cout << "}" << newline;
+}
+
+void handleClassTemplate( const char* classname) {
+    cout << newline;
+    cout << "template < class ";
+    const char* s = classname;
+    while ( *s != 0 && *s != '<') s++;
+    if ( *s == 0)
+        printErrorMessage( TemplateParamExpectedError);
+    else {
+        int nesting = 0;
+	s++;
+	while ( nesting >= 0 && *s != 0) {
+	    switch ( *s) {
+	    case '<':
+	        nesting ++;
+		cout << *s;
+		break;
+	    case '>':
+	        nesting --;
+		if ( nesting >= 0)
+		    cout << *s;
+		break;
+	    case ',':
+	        if ( nesting == 0)
+		    cout << ", class ";
+		else
+		    cout << *s;
+		break;
+	    default:
+		cout << *s;
+		break;
+	    }
+	    s++;
+	}
+	if ( nesting >= 0)
+	    printErrorMessage( MalformedTemplateParamError);
+    }
+    cout << " >" << newline;
+    cout << "class ";
+    s = classname;
+    while ( *s != 0 && *s != '<') {
+        cout << *s;
+	s++;
+    }
+    cout << " {" << newline;
+    cout << "public:" << newline;
+    cout << indent;
+}
+
+void handleClassTemplateEnd( void) {
+    cout << outdent;
+    cout << newline;
+    cout << "}" << newline;
+}
+
+
+void handleDeclaration( const char* decl) {
+    cout << endl << newline;
+    cout << decl;
+}
+
+void handleFunctionDeclaration( const char* decl) {
+    cout << endl << newline;
+    cout << decl;
+}
+
+void handleFunctionTemplateDeclaration( const char* templ, const char* decl) {
+    cout << endl << newline;
+    cout << "template < class ";
+    const char* s = templ;
+    int nesting = 0;
+    while ( *s != 0) {
+	    switch ( *s) {
+	    case '<':
+	        nesting ++;
+		cout << *s;
+		break;
+	    case '>':
+	        nesting --;
+		if ( nesting >= 0)
+		    cout << *s;
+		break;
+	    case ',':
+	        if ( nesting == 0)
+		    cout << ", class ";
+		else
+		    cout << *s;
+		break;
+	    default:
+		cout << *s;
+		break;
+	    }
+	    s++;
+    }
+    if ( nesting != 0)
+        printErrorMessage( MalformedTemplateParamError);
+    cout << " >" << newline;
+    cout << decl;
+}
+
+
 /* main */
 /* ==== */
  
@@ -36,14 +188,6 @@ void init_scanner( FILE* in);
 #define MaxOptionalParameters  1000
 #define ErrParameters          10000
  
-typedef char Switch;
- 
-#define NO_SWITCH    0
-#define MINUS_SWITCH 1
-#define PLUS_SWITCH  2
- 
-Switch  trace_switch  = NO_SWITCH;
- 
 /* this macro opens a block, in which the switch is detected */
 /* it must be closed with the macro endDetect()              */
 #define detectSwitch( var, text) \
@@ -80,6 +224,13 @@ main( int argc, char **argv) {
 	    yydebug = 1;
         endDetect();
 
+        detectSwitch( noc_switch, "noc");
+        endDetect();
+        detectSwitch( nomc_switch, "nomc");
+        endDetect();
+        detectSwitch( nosc_switch, "nosc");
+        endDetect();
+
         detectSwitch( help_switch, "h");
         endDetect();
         detectSwitch( help_switch, "H");
@@ -101,7 +252,10 @@ main( int argc, char **argv) {
         (nParameters > MaxParameters) || (help_switch != NO_SWITCH)) {
         if (help_switch == NO_SWITCH)
             cerr << "Error: in parameter list" << endl;
-        cerr << "Usage: cgal_extact [-trace] [<infile> ...]" << endl;
+        cerr << "Usage: cgal_extract [<options>] [<infile> ...]" << endl;
+        cerr << "       -nomc        no main comments"  << endl;
+        cerr << "       -nosc        no sub comments"  << endl;
+        cerr << "       -noc         no comments (main and sub)"  << endl;
         cerr << "       -trace       sets the `yydebug' variable of bison"
              << endl;
         exit(1);
@@ -111,10 +265,12 @@ main( int argc, char **argv) {
         for ( i = 0; i < nParameters; i++) {
 	    FILE* in;
             if ( (in = fopen( parameters[i], "r")) == NULL) {
-	        fprintf( stderr, "\nbinsort: error: cannot open infile %s.\n",
+	        fprintf( stderr, 
-                         parameters[0]);
+			 "\ncgal_extract: error: cannot open infile %s.\n",
+                         parameters[i]);
                 exit(1);
             }
+	    file_name = parameters[i];
 	    init_scanner( in);
 	    yyparse();
             fclose( in);