Added echotest and echo test cases

testdata/scad/features/echo-tests.scad

@@ -0,0 +1,12 @@
+echo(undef);
+echo("string");
+s = "stringvar";
+echo(s);
+echo(a = 1, b = 2.0, true, c = false);
+v = [1, "vecstr", 2.34, false];
+echo(v);
+r = [1:2:10];
+echo(r);
+
+echo(vec = [1,2,3]);
+echo(range = [0:2]);

tests/CMakeLists.txt

@@ -78,10 +78,10 @@ include_directories(../src)
 
 add_definitions(-DOPENSCAD_VERSION=test -DOPENSCAD_YEAR=2011 -DOPENSCAD_MONTH=10)
 
-set(COMMON_SOURCES
+
+set(CORE_SOURCES
   ../src/handle_dep.cc 
   ../src/qhash.cc
-  ../src/export.cc 
   ../src/value.cc 
   ../src/expr.cc 
   ../src/func.cc 
@@ -107,13 +107,24 @@ set(COMMON_SOURCES
   ../src/rotateextrude.cc 
   ../src/printutils.cc 
   ../src/progress.cc 
+  ${FLEX_OpenSCADlexer_OUTPUTS}
+  ${BISON_OpenSCADparser_OUTPUTS})
+
+set(COMMON_SOURCES
+  ${CORE_SOURCES}
+  ../src/export.cc 
   ../src/nodedumper.cc 
   ../src/traverser.cc 
   ../src/PolySetEvaluator.cc 
   ../src/PolySetCache.cc 
   ../src/Tree.cc
-  ${FLEX_OpenSCADlexer_OUTPUTS}
-  ${BISON_OpenSCADparser_OUTPUTS})
+)
+
+#
+# echotest
+#
+add_executable(echotest echotest.cc ${CORE_SOURCES})
+target_link_libraries(echotest ${QT_LIBRARIES} ${OPENGL_LIBRARY})
 
 #
 # dumptest
@@ -195,6 +206,12 @@ file(GLOB FEATURES_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/features/*.scad)
 file(GLOB BUGS_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/*.scad)
 file(GLOB SCAD_DXF_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/dxf/*.scad)
 
+list(APPEND ECHO_FILES
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/minimal/echo.scad
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/echo-tests.scad)
+
+# Add echotest tests to CTest
+add_cmdline_test(echotest txt ${ECHO_FILES})
 # Add dumptest tests to CTest
 add_cmdline_test(dumptest txt ${MINIMAL_FILES})
 # Add csgtexttest tests to CTest

tests/echotest.cc

@@ -0,0 +1,148 @@
+/*
+ *  OpenSCAD (www.openscad.org)
+ *  Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
+ *                          Marius Kintel <marius@kintel.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  As a special exception, you have permission to link this program
+ *  with the CGAL library and distribute executables, as long as you
+ *  follow the requirements of the GNU GPL in regard to all of the
+ *  software in the executable aside from CGAL.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "openscad.h"
+#include "handle_dep.h"
+#include "node.h"
+#include "module.h"
+#include "context.h"
+#include "value.h"
+#include "builtin.h"
+#include "printutils.h"
+
+#include <QApplication>
+#include <QFile>
+#include <QDir>
+#include <QSet>
+#include <getopt.h>
+#include <assert.h>
+#include <iostream>
+#include <sstream>
+
+using std::string;
+
+std::string commandline_commands;
+QString currentdir;
+QString examplesdir;
+QString librarydir;
+
+static void stdout_handler(const QString &msg, void *userdata) {
+	std::cout << msg.toUtf8().data() << std::endl;
+}
+
+int main(int argc, char **argv)
+{
+	if (argc != 2) {
+		fprintf(stderr, "Usage: %s <file.scad>\n", argv[0]);
+		exit(1);
+	}
+
+	const char *filename = argv[1];
+
+	int rc = 0;
+
+	set_output_handler(&stdout_handler, NULL);
+
+	initialize_builtin_functions();
+	initialize_builtin_modules();
+
+	QApplication app(argc, argv, false);
+	QDir original_path = QDir::current();
+
+	currentdir = QDir::currentPath();
+
+	QDir libdir(QApplication::instance()->applicationDirPath());
+#ifdef Q_WS_MAC
+	libdir.cd("../Resources"); // Libraries can be bundled
+	if (!libdir.exists("libraries")) libdir.cd("../../..");
+#elif defined(Q_OS_UNIX)
+	if (libdir.cd("../share/openscad/libraries")) {
+		librarydir = libdir.path();
+	} else
+	if (libdir.cd("../../share/openscad/libraries")) {
+		librarydir = libdir.path();
+	} else
+	if (libdir.cd("../../libraries")) {
+		librarydir = libdir.path();
+	} else
+#endif
+	if (libdir.cd("libraries")) {
+		librarydir = libdir.path();
+	}
+
+	Context root_ctx;
+	root_ctx.functions_p = &builtin_functions;
+	root_ctx.modules_p = &builtin_modules;
+	root_ctx.set_variable("$fn", Value(0.0));
+	root_ctx.set_variable("$fs", Value(1.0));
+	root_ctx.set_variable("$fa", Value(12.0));
+	root_ctx.set_variable("$t", Value(0.0));
+
+	Value zero3;
+	zero3.type = Value::VECTOR;
+	zero3.append(new Value(0.0));
+	zero3.append(new Value(0.0));
+	zero3.append(new Value(0.0));
+	root_ctx.set_variable("$vpt", zero3);
+	root_ctx.set_variable("$vpr", zero3);
+
+
+	AbstractModule *root_module;
+	ModuleInstantiation root_inst;
+	AbstractNode *root_node;
+
+	QFileInfo fileInfo(filename);
+	handle_dep(filename);
+	FILE *fp = fopen(filename, "rt");
+	if (!fp) {
+		fprintf(stderr, "Can't open input file `%s'!\n", filename);
+		exit(1);
+	} else {
+		std::stringstream text;
+		char buffer[513];
+		int ret;
+		while ((ret = fread(buffer, 1, 512, fp)) > 0) {
+			buffer[ret] = 0;
+			text << buffer;
+		}
+		fclose(fp);
+		text << commandline_commands;
+		root_module = parse(text.str().c_str(), fileInfo.absolutePath().toLocal8Bit(), false);
+		if (!root_module) {
+			exit(1);
+		}
+	}
+
+	QDir::setCurrent(fileInfo.absolutePath());
+
+	AbstractNode::resetIndexCounter();
+	root_node = root_module->evaluate(&root_ctx, &root_inst);
+
+	destroy_builtin_functions();
+	destroy_builtin_modules();
+
+	return rc;
+}

tests/regression/echotest/echo-expected.txt

@@ -0,0 +1 @@
+ECHO: 

tests/regression/echotest/echo-tests-expected.txt

@@ -0,0 +1,8 @@
+ECHO: undef
+ECHO: "string"
+ECHO: "stringvar"
+ECHO: a = 1, b = 2, true, c = false
+ECHO: [1, "vecstr", 2.34, false]
+ECHO: [1 : 2 : 10]
+ECHO: vec = [1, 2, 3]
+ECHO: range = [0 : 1 : 2]