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-rw-r--r--Source/CMakeLists.txt1
-rw-r--r--Source/cmDependsFortran.cxx465
-rw-r--r--Source/cmFortranParser.h79
-rw-r--r--Source/cmFortranParserImpl.cxx408
4 files changed, 488 insertions, 465 deletions
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 7e39386..92fee8a 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -244,6 +244,7 @@ set(SRCS
cmFortranLexer.h
cmFortranParser.cxx
cmFortranParser.h
+ cmFortranParserImpl.cxx
cmGeneratedFileStream.cxx
cmGeneratorExpressionContext.cxx
cmGeneratorExpressionContext.h
diff --git a/Source/cmDependsFortran.cxx b/Source/cmDependsFortran.cxx
index a422a98..13c6409 100644
--- a/Source/cmDependsFortran.cxx
+++ b/Source/cmDependsFortran.cxx
@@ -19,84 +19,12 @@
#include "cmFortranParser.h" /* Interface to parser object. */
#include <cmsys/FStream.hxx>
#include <assert.h>
-#include <stack>
// TODO: Test compiler for the case of the mod file. Some always
// use lower case and some always use upper case. I do not know if any
// use the case from the source code.
//----------------------------------------------------------------------------
-// Information about a single source file.
-class cmFortranSourceInfo
-{
-public:
- // The name of the source file.
- std::string Source;
-
- // Set of provided and required modules.
- std::set<std::string> Provides;
- std::set<std::string> Requires;
-
- // Set of files included in the translation unit.
- std::set<std::string> Includes;
-};
-
-//----------------------------------------------------------------------------
-// Parser methods not included in generated interface.
-
-// Get the current buffer processed by the lexer.
-YY_BUFFER_STATE cmFortranLexer_GetCurrentBuffer(yyscan_t yyscanner);
-
-// The parser entry point.
-int cmFortran_yyparse(yyscan_t);
-
-//----------------------------------------------------------------------------
-// Define parser object internal structure.
-struct cmFortranFile
-{
- cmFortranFile(FILE* file, YY_BUFFER_STATE buffer,
- const std::string& dir):
- File(file), Buffer(buffer), Directory(dir) {}
- FILE* File;
- YY_BUFFER_STATE Buffer;
- std::string Directory;
-};
-
-struct cmFortranParser_s
-{
- cmFortranParser_s(std::vector<std::string> const& includes,
- std::set<std::string> const& defines,
- cmFortranSourceInfo& info);
- ~cmFortranParser_s();
-
- bool FindIncludeFile(const char* dir, const char* includeName,
- std::string& fileName);
-
- // The include file search path.
- std::vector<std::string> IncludePath;
-
- // Lexical scanner instance.
- yyscan_t Scanner;
-
- // Stack of open files in the translation unit.
- std::stack<cmFortranFile> FileStack;
-
- // Buffer for string literals.
- std::string TokenString;
-
- // Flag for whether lexer is reading from inside an interface.
- bool InInterface;
-
- int OldStartcond;
- std::set<std::string> PPDefinitions;
- size_t InPPFalseBranch;
- std::stack<bool> SkipToEnd;
-
- // Information about the parsed source.
- cmFortranSourceInfo& Info;
-};
-
-//----------------------------------------------------------------------------
class cmDependsFortranInternals
{
public:
@@ -882,396 +810,3 @@ bool cmDependsFortran::ModulesDiffer(const char* modFile,
// The modules are different.
return true;
}
-
-//----------------------------------------------------------------------------
-bool cmFortranParser_s::FindIncludeFile(const char* dir,
- const char* includeName,
- std::string& fileName)
-{
- // If the file is a full path, include it directly.
- if(cmSystemTools::FileIsFullPath(includeName))
- {
- fileName = includeName;
- return cmSystemTools::FileExists(fileName.c_str(), true);
- }
- else
- {
- // Check for the file in the directory containing the including
- // file.
- std::string fullName = dir;
- fullName += "/";
- fullName += includeName;
- if(cmSystemTools::FileExists(fullName.c_str(), true))
- {
- fileName = fullName;
- return true;
- }
-
- // Search the include path for the file.
- for(std::vector<std::string>::const_iterator i =
- this->IncludePath.begin(); i != this->IncludePath.end(); ++i)
- {
- fullName = *i;
- fullName += "/";
- fullName += includeName;
- if(cmSystemTools::FileExists(fullName.c_str(), true))
- {
- fileName = fullName;
- return true;
- }
- }
- }
- return false;
-}
-
-//----------------------------------------------------------------------------
-cmFortranParser_s
-::cmFortranParser_s(std::vector<std::string> const& includes,
- std::set<std::string> const& defines,
- cmFortranSourceInfo& info):
- IncludePath(includes), PPDefinitions(defines), Info(info)
-{
- this->InInterface = 0;
- this->InPPFalseBranch = 0;
-
- // Initialize the lexical scanner.
- cmFortran_yylex_init(&this->Scanner);
- cmFortran_yyset_extra(this, this->Scanner);
-
- // Create a dummy buffer that is never read but is the fallback
- // buffer when the last file is popped off the stack.
- YY_BUFFER_STATE buffer =
- cmFortran_yy_create_buffer(0, 4, this->Scanner);
- cmFortran_yy_switch_to_buffer(buffer, this->Scanner);
-}
-
-//----------------------------------------------------------------------------
-cmFortranParser_s::~cmFortranParser_s()
-{
- cmFortran_yylex_destroy(this->Scanner);
-}
-
-//----------------------------------------------------------------------------
-bool cmFortranParser_FilePush(cmFortranParser* parser,
- const char* fname)
-{
- // Open the new file and push it onto the stack. Save the old
- // buffer with it on the stack.
- if(FILE* file = cmsys::SystemTools::Fopen(fname, "rb"))
- {
- YY_BUFFER_STATE current =
- cmFortranLexer_GetCurrentBuffer(parser->Scanner);
- std::string dir = cmSystemTools::GetParentDirectory(fname);
- cmFortranFile f(file, current, dir);
- YY_BUFFER_STATE buffer =
- cmFortran_yy_create_buffer(0, 16384, parser->Scanner);
- cmFortran_yy_switch_to_buffer(buffer, parser->Scanner);
- parser->FileStack.push(f);
- return 1;
- }
- else
- {
- return 0;
- }
-}
-
-//----------------------------------------------------------------------------
-bool cmFortranParser_FilePop(cmFortranParser* parser)
-{
- // Pop one file off the stack and close it. Switch the lexer back
- // to the next one on the stack.
- if(parser->FileStack.empty())
- {
- return 0;
- }
- else
- {
- cmFortranFile f = parser->FileStack.top(); parser->FileStack.pop();
- fclose(f.File);
- YY_BUFFER_STATE current =
- cmFortranLexer_GetCurrentBuffer(parser->Scanner);
- cmFortran_yy_delete_buffer(current, parser->Scanner);
- cmFortran_yy_switch_to_buffer(f.Buffer, parser->Scanner);
- return 1;
- }
-}
-
-//----------------------------------------------------------------------------
-int cmFortranParser_Input(cmFortranParser* parser,
- char* buffer, size_t bufferSize)
-{
- // Read from the file on top of the stack. If the stack is empty,
- // the end of the translation unit has been reached.
- if(!parser->FileStack.empty())
- {
- FILE* file = parser->FileStack.top().File;
- return (int)fread(buffer, 1, bufferSize, file);
- }
- return 0;
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_StringStart(cmFortranParser* parser)
-{
- parser->TokenString = "";
-}
-
-//----------------------------------------------------------------------------
-const char* cmFortranParser_StringEnd(cmFortranParser* parser)
-{
- return parser->TokenString.c_str();
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_StringAppend(cmFortranParser* parser,
- char c)
-{
- parser->TokenString += c;
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_SetInInterface(cmFortranParser* parser,
- bool in)
-{
- if(parser->InPPFalseBranch)
- {
- return;
- }
-
- parser->InInterface = in;
-}
-
-//----------------------------------------------------------------------------
-bool cmFortranParser_GetInInterface(cmFortranParser* parser)
-{
- return parser->InInterface;
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_SetOldStartcond(cmFortranParser* parser,
- int arg)
-{
- parser->OldStartcond = arg;
-}
-
-//----------------------------------------------------------------------------
-int cmFortranParser_GetOldStartcond(cmFortranParser* parser)
-{
- return parser->OldStartcond;
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_Error(cmFortranParser*, const char*)
-{
- // If there is a parser error just ignore it. The source will not
- // compile and the user will edit it. Then dependencies will have
- // to be regenerated anyway.
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleUse(cmFortranParser* parser,
- const char* name)
-{
- if(!parser->InPPFalseBranch)
- {
- parser->Info.Requires.insert(cmSystemTools::LowerCase(name) );
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleInclude(cmFortranParser* parser,
- const char* name)
-{
- if(parser->InPPFalseBranch)
- {
- return;
- }
-
- // If processing an include statement there must be an open file.
- assert(!parser->FileStack.empty());
-
- // Get the directory containing the source in which the include
- // statement appears. This is always the first search location for
- // Fortran include files.
- std::string dir = parser->FileStack.top().Directory;
-
- // Find the included file. If it cannot be found just ignore the
- // problem because either the source will not compile or the user
- // does not care about depending on this included source.
- std::string fullName;
- if(parser->FindIncludeFile(dir.c_str(), name, fullName))
- {
- // Found the included file. Save it in the set of included files.
- parser->Info.Includes.insert(fullName);
-
- // Parse it immediately to translate the source inline.
- cmFortranParser_FilePush(parser, fullName.c_str());
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleModule(cmFortranParser* parser,
- const char* name)
-{
- if(!parser->InPPFalseBranch && !parser->InInterface)
- {
- parser->Info.Provides.insert(cmSystemTools::LowerCase(name));
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleDefine(cmFortranParser* parser,
- const char* macro)
-{
- if(!parser->InPPFalseBranch)
- {
- parser->PPDefinitions.insert(macro);
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleUndef(cmFortranParser* parser,
- const char* macro)
-{
- if(!parser->InPPFalseBranch)
- {
- std::set<std::string>::iterator match;
- match = parser->PPDefinitions.find(macro);
- if(match != parser->PPDefinitions.end())
- {
- parser->PPDefinitions.erase(match);
- }
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleIfdef(cmFortranParser* parser,
- const char* macro)
-{
- // A new PP branch has been opened
- parser->SkipToEnd.push(false);
-
- if (parser->InPPFalseBranch)
- {
- parser->InPPFalseBranch++;
- }
- else if(parser->PPDefinitions.find(macro) == parser->PPDefinitions.end())
- {
- parser->InPPFalseBranch=1;
- }
- else
- {
- parser->SkipToEnd.top() = true;
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleIfndef(cmFortranParser* parser,
- const char* macro)
-{
- // A new PP branch has been opened
- parser->SkipToEnd.push(false);
-
- if (parser->InPPFalseBranch)
- {
- parser->InPPFalseBranch++;
- }
- else if(parser->PPDefinitions.find(macro) != parser->PPDefinitions.end())
- {
- parser->InPPFalseBranch = 1;
- }
- else
- {
- // ignore other branches
- parser->SkipToEnd.top() = true;
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleIf(cmFortranParser* parser)
-{
- /* Note: The current parser is _not_ able to get statements like
- * #if 0
- * #if 1
- * #if MYSMBOL
- * #if defined(MYSYMBOL)
- * #if defined(MYSYMBOL) && ...
- * right. The same for #elif. Thus in
- * #if SYMBOL_1
- * ..
- * #elif SYMBOL_2
- * ...
- * ...
- * #elif SYMBOL_N
- * ..
- * #else
- * ..
- * #endif
- * _all_ N+1 branches are considered. If you got something like this
- * #if defined(MYSYMBOL)
- * #if !defined(MYSYMBOL)
- * use
- * #ifdef MYSYMBOL
- * #ifndef MYSYMBOL
- * instead.
- */
-
- // A new PP branch has been opened
- // Never skip! See note above.
- parser->SkipToEnd.push(false);
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleElif(cmFortranParser* parser)
-{
- /* Note: There are parser limitations. See the note at
- * cmFortranParser_RuleIf(..)
- */
-
- // Always taken unless an #ifdef or #ifndef-branch has been taken
- // already. If the second condition isn't meet already
- // (parser->InPPFalseBranch == 0) correct it.
- if(!parser->SkipToEnd.empty() &&
- parser->SkipToEnd.top() && !parser->InPPFalseBranch)
- {
- parser->InPPFalseBranch = 1;
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleElse(cmFortranParser* parser)
-{
- // if the parent branch is false do nothing!
- if(parser->InPPFalseBranch > 1)
- {
- return;
- }
-
- // parser->InPPFalseBranch is either 0 or 1. We change it depending on
- // parser->SkipToEnd.top()
- if(!parser->SkipToEnd.empty() &&
- parser->SkipToEnd.top())
- {
- parser->InPPFalseBranch = 1;
- }
- else
- {
- parser->InPPFalseBranch = 0;
- }
-}
-
-//----------------------------------------------------------------------------
-void cmFortranParser_RuleEndif(cmFortranParser* parser)
-{
- if(!parser->SkipToEnd.empty())
- {
- parser->SkipToEnd.pop();
- }
-
- // #endif doesn't know if there was a "#else" in before, so it
- // always decreases InPPFalseBranch
- if(parser->InPPFalseBranch)
- {
- parser->InPPFalseBranch--;
- }
-}
diff --git a/Source/cmFortranParser.h b/Source/cmFortranParser.h
index 4c28fd0..156c38a 100644
--- a/Source/cmFortranParser.h
+++ b/Source/cmFortranParser.h
@@ -12,6 +12,10 @@
#ifndef cmFortranParser_h
#define cmFortranParser_h
+#if !defined(cmFortranLexer_cxx) && !defined(cmFortranParser_cxx)
+# include "cmStandardIncludes.h"
+#endif
+
#include <stddef.h> /* size_t */
/* Forward declare parser object type. */
@@ -93,4 +97,79 @@ int cmFortran_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
#endif
#endif
+#if !defined(cmFortranLexer_cxx) && !defined(cmFortranParser_cxx)
+#include <stack>
+
+//----------------------------------------------------------------------------
+// Information about a single source file.
+class cmFortranSourceInfo
+{
+public:
+ // The name of the source file.
+ std::string Source;
+
+ // Set of provided and required modules.
+ std::set<std::string> Provides;
+ std::set<std::string> Requires;
+
+ // Set of files included in the translation unit.
+ std::set<std::string> Includes;
+};
+
+//----------------------------------------------------------------------------
+// Parser methods not included in generated interface.
+
+// Get the current buffer processed by the lexer.
+YY_BUFFER_STATE cmFortranLexer_GetCurrentBuffer(yyscan_t yyscanner);
+
+// The parser entry point.
+int cmFortran_yyparse(yyscan_t);
+
+//----------------------------------------------------------------------------
+// Define parser object internal structure.
+struct cmFortranFile
+{
+ cmFortranFile(FILE* file, YY_BUFFER_STATE buffer,
+ const std::string& dir):
+ File(file), Buffer(buffer), Directory(dir) {}
+ FILE* File;
+ YY_BUFFER_STATE Buffer;
+ std::string Directory;
+};
+
+struct cmFortranParser_s
+{
+ cmFortranParser_s(std::vector<std::string> const& includes,
+ std::set<std::string> const& defines,
+ cmFortranSourceInfo& info);
+ ~cmFortranParser_s();
+
+ bool FindIncludeFile(const char* dir, const char* includeName,
+ std::string& fileName);
+
+ // The include file search path.
+ std::vector<std::string> IncludePath;
+
+ // Lexical scanner instance.
+ yyscan_t Scanner;
+
+ // Stack of open files in the translation unit.
+ std::stack<cmFortranFile> FileStack;
+
+ // Buffer for string literals.
+ std::string TokenString;
+
+ // Flag for whether lexer is reading from inside an interface.
+ bool InInterface;
+
+ int OldStartcond;
+ std::set<std::string> PPDefinitions;
+ size_t InPPFalseBranch;
+ std::stack<bool> SkipToEnd;
+
+ // Information about the parsed source.
+ cmFortranSourceInfo& Info;
+};
+#endif
+
#endif
diff --git a/Source/cmFortranParserImpl.cxx b/Source/cmFortranParserImpl.cxx
new file mode 100644
index 0000000..a09c5459
--- /dev/null
+++ b/Source/cmFortranParserImpl.cxx
@@ -0,0 +1,408 @@
+/*============================================================================
+ CMake - Cross Platform Makefile Generator
+ Copyright 2000-2015 Kitware, Inc., Insight Software Consortium
+
+ Distributed under the OSI-approved BSD License (the "License");
+ see accompanying file Copyright.txt for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even the
+ implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the License for more information.
+============================================================================*/
+#include "cmFortranParser.h"
+
+#include "cmSystemTools.h"
+#include <assert.h>
+
+//----------------------------------------------------------------------------
+bool cmFortranParser_s::FindIncludeFile(const char* dir,
+ const char* includeName,
+ std::string& fileName)
+{
+ // If the file is a full path, include it directly.
+ if(cmSystemTools::FileIsFullPath(includeName))
+ {
+ fileName = includeName;
+ return cmSystemTools::FileExists(fileName.c_str(), true);
+ }
+ else
+ {
+ // Check for the file in the directory containing the including
+ // file.
+ std::string fullName = dir;
+ fullName += "/";
+ fullName += includeName;
+ if(cmSystemTools::FileExists(fullName.c_str(), true))
+ {
+ fileName = fullName;
+ return true;
+ }
+
+ // Search the include path for the file.
+ for(std::vector<std::string>::const_iterator i =
+ this->IncludePath.begin(); i != this->IncludePath.end(); ++i)
+ {
+ fullName = *i;
+ fullName += "/";
+ fullName += includeName;
+ if(cmSystemTools::FileExists(fullName.c_str(), true))
+ {
+ fileName = fullName;
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+//----------------------------------------------------------------------------
+cmFortranParser_s
+::cmFortranParser_s(std::vector<std::string> const& includes,
+ std::set<std::string> const& defines,
+ cmFortranSourceInfo& info):
+ IncludePath(includes), PPDefinitions(defines), Info(info)
+{
+ this->InInterface = 0;
+ this->InPPFalseBranch = 0;
+
+ // Initialize the lexical scanner.
+ cmFortran_yylex_init(&this->Scanner);
+ cmFortran_yyset_extra(this, this->Scanner);
+
+ // Create a dummy buffer that is never read but is the fallback
+ // buffer when the last file is popped off the stack.
+ YY_BUFFER_STATE buffer =
+ cmFortran_yy_create_buffer(0, 4, this->Scanner);
+ cmFortran_yy_switch_to_buffer(buffer, this->Scanner);
+}
+
+//----------------------------------------------------------------------------
+cmFortranParser_s::~cmFortranParser_s()
+{
+ cmFortran_yylex_destroy(this->Scanner);
+}
+
+//----------------------------------------------------------------------------
+bool cmFortranParser_FilePush(cmFortranParser* parser,
+ const char* fname)
+{
+ // Open the new file and push it onto the stack. Save the old
+ // buffer with it on the stack.
+ if(FILE* file = cmsys::SystemTools::Fopen(fname, "rb"))
+ {
+ YY_BUFFER_STATE current =
+ cmFortranLexer_GetCurrentBuffer(parser->Scanner);
+ std::string dir = cmSystemTools::GetParentDirectory(fname);
+ cmFortranFile f(file, current, dir);
+ YY_BUFFER_STATE buffer =
+ cmFortran_yy_create_buffer(0, 16384, parser->Scanner);
+ cmFortran_yy_switch_to_buffer(buffer, parser->Scanner);
+ parser->FileStack.push(f);
+ return 1;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+//----------------------------------------------------------------------------
+bool cmFortranParser_FilePop(cmFortranParser* parser)
+{
+ // Pop one file off the stack and close it. Switch the lexer back
+ // to the next one on the stack.
+ if(parser->FileStack.empty())
+ {
+ return 0;
+ }
+ else
+ {
+ cmFortranFile f = parser->FileStack.top(); parser->FileStack.pop();
+ fclose(f.File);
+ YY_BUFFER_STATE current =
+ cmFortranLexer_GetCurrentBuffer(parser->Scanner);
+ cmFortran_yy_delete_buffer(current, parser->Scanner);
+ cmFortran_yy_switch_to_buffer(f.Buffer, parser->Scanner);
+ return 1;
+ }
+}
+
+//----------------------------------------------------------------------------
+int cmFortranParser_Input(cmFortranParser* parser,
+ char* buffer, size_t bufferSize)
+{
+ // Read from the file on top of the stack. If the stack is empty,
+ // the end of the translation unit has been reached.
+ if(!parser->FileStack.empty())
+ {
+ FILE* file = parser->FileStack.top().File;
+ return (int)fread(buffer, 1, bufferSize, file);
+ }
+ return 0;
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_StringStart(cmFortranParser* parser)
+{
+ parser->TokenString = "";
+}
+
+//----------------------------------------------------------------------------
+const char* cmFortranParser_StringEnd(cmFortranParser* parser)
+{
+ return parser->TokenString.c_str();
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_StringAppend(cmFortranParser* parser,
+ char c)
+{
+ parser->TokenString += c;
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_SetInInterface(cmFortranParser* parser,
+ bool in)
+{
+ if(parser->InPPFalseBranch)
+ {
+ return;
+ }
+
+ parser->InInterface = in;
+}
+
+//----------------------------------------------------------------------------
+bool cmFortranParser_GetInInterface(cmFortranParser* parser)
+{
+ return parser->InInterface;
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_SetOldStartcond(cmFortranParser* parser,
+ int arg)
+{
+ parser->OldStartcond = arg;
+}
+
+//----------------------------------------------------------------------------
+int cmFortranParser_GetOldStartcond(cmFortranParser* parser)
+{
+ return parser->OldStartcond;
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_Error(cmFortranParser*, const char*)
+{
+ // If there is a parser error just ignore it. The source will not
+ // compile and the user will edit it. Then dependencies will have
+ // to be regenerated anyway.
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleUse(cmFortranParser* parser,
+ const char* name)
+{
+ if(!parser->InPPFalseBranch)
+ {
+ parser->Info.Requires.insert(cmSystemTools::LowerCase(name) );
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleInclude(cmFortranParser* parser,
+ const char* name)
+{
+ if(parser->InPPFalseBranch)
+ {
+ return;
+ }
+
+ // If processing an include statement there must be an open file.
+ assert(!parser->FileStack.empty());
+
+ // Get the directory containing the source in which the include
+ // statement appears. This is always the first search location for
+ // Fortran include files.
+ std::string dir = parser->FileStack.top().Directory;
+
+ // Find the included file. If it cannot be found just ignore the
+ // problem because either the source will not compile or the user
+ // does not care about depending on this included source.
+ std::string fullName;
+ if(parser->FindIncludeFile(dir.c_str(), name, fullName))
+ {
+ // Found the included file. Save it in the set of included files.
+ parser->Info.Includes.insert(fullName);
+
+ // Parse it immediately to translate the source inline.
+ cmFortranParser_FilePush(parser, fullName.c_str());
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleModule(cmFortranParser* parser,
+ const char* name)
+{
+ if(!parser->InPPFalseBranch && !parser->InInterface)
+ {
+ parser->Info.Provides.insert(cmSystemTools::LowerCase(name));
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleDefine(cmFortranParser* parser,
+ const char* macro)
+{
+ if(!parser->InPPFalseBranch)
+ {
+ parser->PPDefinitions.insert(macro);
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleUndef(cmFortranParser* parser,
+ const char* macro)
+{
+ if(!parser->InPPFalseBranch)
+ {
+ std::set<std::string>::iterator match;
+ match = parser->PPDefinitions.find(macro);
+ if(match != parser->PPDefinitions.end())
+ {
+ parser->PPDefinitions.erase(match);
+ }
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleIfdef(cmFortranParser* parser,
+ const char* macro)
+{
+ // A new PP branch has been opened
+ parser->SkipToEnd.push(false);
+
+ if (parser->InPPFalseBranch)
+ {
+ parser->InPPFalseBranch++;
+ }
+ else if(parser->PPDefinitions.find(macro) == parser->PPDefinitions.end())
+ {
+ parser->InPPFalseBranch=1;
+ }
+ else
+ {
+ parser->SkipToEnd.top() = true;
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleIfndef(cmFortranParser* parser,
+ const char* macro)
+{
+ // A new PP branch has been opened
+ parser->SkipToEnd.push(false);
+
+ if (parser->InPPFalseBranch)
+ {
+ parser->InPPFalseBranch++;
+ }
+ else if(parser->PPDefinitions.find(macro) != parser->PPDefinitions.end())
+ {
+ parser->InPPFalseBranch = 1;
+ }
+ else
+ {
+ // ignore other branches
+ parser->SkipToEnd.top() = true;
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleIf(cmFortranParser* parser)
+{
+ /* Note: The current parser is _not_ able to get statements like
+ * #if 0
+ * #if 1
+ * #if MYSMBOL
+ * #if defined(MYSYMBOL)
+ * #if defined(MYSYMBOL) && ...
+ * right. The same for #elif. Thus in
+ * #if SYMBOL_1
+ * ..
+ * #elif SYMBOL_2
+ * ...
+ * ...
+ * #elif SYMBOL_N
+ * ..
+ * #else
+ * ..
+ * #endif
+ * _all_ N+1 branches are considered. If you got something like this
+ * #if defined(MYSYMBOL)
+ * #if !defined(MYSYMBOL)
+ * use
+ * #ifdef MYSYMBOL
+ * #ifndef MYSYMBOL
+ * instead.
+ */
+
+ // A new PP branch has been opened
+ // Never skip! See note above.
+ parser->SkipToEnd.push(false);
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleElif(cmFortranParser* parser)
+{
+ /* Note: There are parser limitations. See the note at
+ * cmFortranParser_RuleIf(..)
+ */
+
+ // Always taken unless an #ifdef or #ifndef-branch has been taken
+ // already. If the second condition isn't meet already
+ // (parser->InPPFalseBranch == 0) correct it.
+ if(!parser->SkipToEnd.empty() &&
+ parser->SkipToEnd.top() && !parser->InPPFalseBranch)
+ {
+ parser->InPPFalseBranch = 1;
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleElse(cmFortranParser* parser)
+{
+ // if the parent branch is false do nothing!
+ if(parser->InPPFalseBranch > 1)
+ {
+ return;
+ }
+
+ // parser->InPPFalseBranch is either 0 or 1. We change it depending on
+ // parser->SkipToEnd.top()
+ if(!parser->SkipToEnd.empty() &&
+ parser->SkipToEnd.top())
+ {
+ parser->InPPFalseBranch = 1;
+ }
+ else
+ {
+ parser->InPPFalseBranch = 0;
+ }
+}
+
+//----------------------------------------------------------------------------
+void cmFortranParser_RuleEndif(cmFortranParser* parser)
+{
+ if(!parser->SkipToEnd.empty())
+ {
+ parser->SkipToEnd.pop();
+ }
+
+ // #endif doesn't know if there was a "#else" in before, so it
+ // always decreases InPPFalseBranch
+ if(parser->InPPFalseBranch)
+ {
+ parser->InPPFalseBranch--;
+ }
+}