[tools] add eclipse project for support --specs=nano.specs

tools/eclipse.py

@@ -142,23 +142,49 @@ def HandleToolOption(tools, env, project, reset):
     CPPDEFINES = project['CPPDEFINES']
     paths = [ConverToRttEclipsePathFormat(RelativeProjectPath(env, os.path.normpath(i)).replace('\\', '/')) for i in project['CPPPATH']]
 
+    compile_include_paths_option = None
+    compile_include_files_option = None
+    compile_defs_option = None
+    linker_scriptfile_option = None
+    linker_script_option = None
+    linker_nostart_option = None
+    linker_libs_option = None
+    linker_paths_option = None
+    linker_newlib_nano_option = None
+
     for tool in tools:
+
         if tool.get('id').find('c.compile') != 1:
             options = tool.findall('option')
-            include_paths_option = None
-            include_files_option = None
-            defs_option = None
             # find all compile options
             for option in options:
                 if option.get('id').find('c.compiler.include.paths') != -1 or option.get('id').find('c.compiler.option.includepaths') != -1:
-                    include_paths_option = option
+                    compile_include_paths_option = option
                 elif option.get('id').find('c.compiler.include.files') != -1 or option.get('id').find('c.compiler.option.includefiles') != -1 :
-                    include_files_option = option
+                    compile_include_files_option = option
                 elif option.get('id').find('c.compiler.defs') != -1 or option.get('id').find('c.compiler.option.definedsymbols') != -1:
-                    defs_option = option
+                    compile_defs_option = option
+
+        if tool.get('id').find('c.linker') != -1:
+            options = tool.findall('option')
+            # find all linker options
+            for option in options:
+                if option.get('id').find('c.linker.scriptfile') != -1:
+                    linker_scriptfile_option = option
+                elif option.get('id').find('c.linker.option.script') != -1:
+                    linker_script_option = option
+                elif option.get('id').find('c.linker.nostart') != -1:
+                    linker_nostart_option = option
+                elif option.get('id').find('c.linker.libs') != -1 and env.has_key('LIBS'):
+                    linker_libs_option = option
+                elif option.get('id').find('c.linker.paths') != -1 and env.has_key('LIBPATH'):
+                    linker_paths_option = option
+                elif option.get('id').find('c.linker.usenewlibnano') != -1:
+                    linker_newlib_nano_option = option
+
     # change the inclue path
-            if include_paths_option is not None :
-                option = include_paths_option
+    if compile_include_paths_option is not None :
+        option = compile_include_paths_option
         # find all of paths in this project
         include_paths = option.findall('listOptionValue')
         for item in include_paths:
@@ -170,8 +196,13 @@ def HandleToolOption(tools, env, project, reset):
         for item in paths:
             SubElement(option, 'listOptionValue', {'builtIn': 'false', 'value': item})
     # change the inclue files (default) or definitions
-            if include_files_option is not None:
-                option = include_files_option
+    if compile_include_files_option is not None:
+        option = compile_include_files_option
+        # add '_REENT_SMALL' to CPPDEFINES when --specs=nano.specs has select
+        if linker_newlib_nano_option is not None and linker_newlib_nano_option.get('value') == 'true' and '_REENT_SMALL' not in CPPDEFINES:
+            CPPDEFINES += ['_REENT_SMALL']
+            print(linker_newlib_nano_option.get('value'))
+
         file_header = '''
 #ifndef RTCONFIG_PREINC_H__
 #define RTCONFIG_PREINC_H__
@@ -197,8 +228,8 @@ def HandleToolOption(tools, env, project, reset):
                 break
         if find_ok is False:
             SubElement(option, 'listOptionValue', {'builtIn': 'false', 'value': rtt_pre_inc_item})
-            elif defs_option is not None :
-                option = defs_option
+    elif compile_defs_option is not None :
+        option = compile_defs_option
         defs = option.findall('listOptionValue')
         project_defs = []
         for item in defs:
@@ -217,11 +248,9 @@ def HandleToolOption(tools, env, project, reset):
         for item in cproject_defs:
             SubElement(option, 'listOptionValue', {'builtIn': 'false', 'value': item})
 
-        if tool.get('id').find('c.linker') != -1:
-            options = tool.findall('option')
-            for option in options:
     # update linker script config
-                if option.get('id').find('c.linker.scriptfile') != -1:
+    if linker_scriptfile_option is not None :
+        option = linker_scriptfile_option
         linker_script = 'link.lds'
         items = env['LINKFLAGS'].split(' ')
         if '-T' in items:
@@ -233,32 +262,32 @@ def HandleToolOption(tools, env, project, reset):
             listOptionValue.set('value', linker_script)
         else:
             SubElement(option, 'listOptionValue', {'builtIn': 'false', 'value': linker_script})
-
     # scriptfile in stm32cubeIDE
-                if option.get('id').find('c.linker.option.script') != -1:
+    if linker_script_option is not None :
+        option = linker_script_option
         items = env['LINKFLAGS'].split(' ')
         if '-T' in items:
             linker_script = ConverToRttEclipsePathFormat(items[items.index('-T') + 1]).strip('"')
-                        option.set('value',linker_script)
-
+            option.set('value', linker_script)
     # update nostartfiles config
-                if option.get('id').find('c.linker.nostart') != -1:
+    if linker_nostart_option is not None :
+        option = linker_nostart_option
         if env['LINKFLAGS'].find('-nostartfiles') != -1:
             option.set('value', 'true')
         else:
             option.set('value', 'false')
-
     # update libs
-                if option.get('id').find('c.linker.libs') != -1 and env.has_key('LIBS'):
+    if linker_libs_option is not None :
+        option = linker_libs_option
         # remove old libs
         for item in option.findall('listOptionValue'):
             option.remove(item)
         # add new libs
         for lib in env['LIBS']:
             SubElement(option, 'listOptionValue', {'builtIn': 'false', 'value': lib})
-
     # update lib paths
-                if option.get('id').find('c.linker.paths') != -1 and env.has_key('LIBPATH'):
+    if linker_paths_option is not None :
+        option = linker_paths_option
         # remove old lib paths
         for item in option.findall('listOptionValue'):
             option.remove(item)