Update copyright notices

ravicomp/include/ravi_api.h

@@ -1,3 +1,25 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 #ifndef ravicomp_RAVIAPI_H
 #define ravicomp_RAVIAPI_H
 

ravicomp/include/ravi_compiler.h

@@ -1,10 +1,30 @@
+/******************************************************************************
+ * Copyright (C) 2018-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 /*
 A compiler for Ravi and Lua 5.3. This is work in progress.
 Once ready it will be used to create a JIT compiler for Ravi.
 
 This header file defines the public api
-
-Copyright 2018-2020 Dibyendu Majumdar
 */
 
 #ifndef ravicomp_COMPILER_H

ravicomp/src/allocate.c

@@ -32,7 +32,7 @@
  */
 /*
  * This version is part of the Ravi Compiler project.
- * Copyright (C) 2017-2020 Dibyendu Majumdar
+ * Copyright (C) 2017-2021 Dibyendu Majumdar
  */
 
 #include <allocate.h>

ravicomp/src/allocate.h

@@ -34,8 +34,10 @@
  * small bits and pieces of it with no maintenance overhead.
  */
 /*
- * Portions Copyright (C) 2017-2020 Dibyendu Majumdar
+ * Portions Copyright (C) 2017-2021 Dibyendu Majumdar
  */
+#ifndef ravicomp_ALLOCATE_H
+#define ravicomp_ALLOCATE_H
 
 #include <stddef.h>
 #include <stdio.h>
@@ -127,4 +129,6 @@ extern size_t raviX_del_array_element(void *p, size_t element_size, size_t array
 }
 #endif
 
+#endif
+
 #endif

ravicomp/src/ast_printer.c

@@ -1,7 +1,25 @@
-/*
-Copyright (C) 2018-2020 Dibyendu Majumdar
-*/
-
+/******************************************************************************
+ * Copyright (C) 2018-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 #include <parser.h>
 
 const char *raviX_get_type_name(ravitype_t tt)

ravicomp/src/ast_simplify.c

@@ -1,5 +1,27 @@
-/* Replace constant expressions with constants, and simply any other expressions if possible */
+/******************************************************************************
+ * Copyright (C) 2018-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 /* Portions Copyright (C) 1994-2019 Lua.org, PUC-Rio.*/
+/* Replace constant expressions with constants, and simply any other expressions if possible */
 
 #include <parser.h>
 

ravicomp/src/ast_walker.c

@@ -1,3 +1,25 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 #include <ravi_compiler.h>
 
 #include <parser.h>

ravicomp/src/bitset.c

@@ -1,6 +1,29 @@
 /* This file is a part of MIR project.
    Copyright (C) 2018-2020 Vladimir Makarov <vmakarov.gcc@gmail.com>.
 */
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /*
  * Adapted for Ravi Compiler project
  */

ravicomp/src/bitset.h

@@ -1,6 +1,29 @@
 /* This file is a part of MIR project.
    Copyright (C) 2018-2020 Vladimir Makarov <vmakarov.gcc@gmail.com>.
 */
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /*
  * Adapted for Ravi Compiler project
  */

ravicomp/src/cfg.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /* Build CFG */
 
 

ravicomp/src/cfg.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_CFG_H
 #define ravicomp_CFG_H
 

ravicomp/src/codegen.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /*
  * Convert the linear IR to C code that can be compiled and
  * executed by Ravi VM.

ravicomp/src/codegen.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_CODEGEN_H
 #define ravicomp_CODEGEN_H
 

ravicomp/src/common.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_COMMON_H
 #define ravicomp_COMMON_H
 

ravicomp/src/dataflow_framework.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /**
  * A framework for performing data flow analysis.
  * The framework is based upon similar framework in MIR project (https://github.com/vnmakarov/mir)

ravicomp/src/dataflow_framework.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_DATAFLOW_FRAMEWORK_H
 #define ravicomp_DATAFLOW_FRAMEWORK_H
 

ravicomp/src/df_liveness.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /*
  * Calculate variable liveness
  * This will use the Dataflow Framework.

ravicomp/src/dominator.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #include "dominator.h"
 
 #include "ravi_compiler.h"

ravicomp/src/dominator.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_DOMINATOR_H
 #define ravicomp_DOMINATOR_H
 

ravicomp/src/graph.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #include "graph.h"
 
 #include <assert.h>

ravicomp/src/graph.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_GRAPH_H
 #define ravicomp_GRAPH_H
 

ravicomp/src/lexer.c

@@ -1,3 +1,25 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 /**
  * The lexer is basically a hacked version of Lua 5.3 lexer.
  * Copyright (C) 1994-2019 Lua.org, PUC-Rio.

ravicomp/src/linearizer.c

@@ -1,6 +1,27 @@
-/*
-Copyright (C) 2018-2020 Dibyendu Majumdar
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 
+/*
 This file contains the Linearizer. The goal of the Linearizer is
 generate a linear intermediate representation (IR) from the AST
 suitable for further analysis.

ravicomp/src/linearizer.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_LINEARIZER_H
 #define ravicomp_LINEARIZER_H
 

ravicomp/src/membuf.c

@@ -1,6 +1,25 @@
-/*
-Copyright (C) 2018-2020 Dibyendu Majumdar
-*/
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
 
 #include "membuf.h"
 

ravicomp/src/membuf.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_MEMBUF_H
 #define ravicomp_MEMBUF_H
 

ravicomp/src/opt_unusedcode.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /* A pass over linearized code to eliminate unused code.
  * Initially only tackle unreachable basic blocks
  */

ravicomp/src/optimizer.h

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #ifndef ravicomp_OPTIMIZER_H
 #define ravicomp_OPTIMIZER_H
 

ravicomp/src/parser.c

@@ -1,3 +1,27 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+/* Portions Copyright (C) 1994-2019 Lua.org, PUC-Rio.*/
+
 /*
 A parser and syntax tree builder for Ravi.
 Note that the overall structure of the parser is loosely based on the Lua 5.3 parser.
@@ -6,10 +30,7 @@ The parser retains the syntactic structure - including constant expressions and
 syntax nodes because these are useful for testing and understanding.
 
 A later pass simplifies the AST - see ast_simplify.c
-
-Copyright (C) 2018-2020 Dibyendu Majumdar
 */
-/* Portions Copyright (C) 1994-2019 Lua.org, PUC-Rio.*/
 
 #include "fnv_hash.h"
 #include <parser.h>

ravicomp/src/parser.h

@@ -1,5 +1,29 @@
-#ifndef ravicomp_IMPLEMENTATION_H
-#define ravicomp_IMPLEMENTATION_H
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+/* Portions Copyright (C) 1994-2019 Lua.org, PUC-Rio.*/
+
+#ifndef ravicomp_PARSER_H
+#define ravicomp_PARSER_H
 
 /*
  * Internal header file for the implementation.

ravicomp/src/ptrlist.c

@@ -7,7 +7,7 @@
  */
 /*
  * This version is part of the dmr_c project.
- * Copyright (C) 2017 Dibyendu Majumdar
+ * Copyright (C) 2017-2021 Dibyendu Majumdar
  */
 
 #define PARANOIA 1

ravicomp/src/ptrlist.h

@@ -1,15 +1,15 @@
-#ifndef ravicomp_PTRLIST_H
-#define ravicomp_PTRLIST_H
-
 /*
-* Generic pointer list manipulation code.
-*
-* (C) Copyright Linus Torvalds 2003-2005
-*/
+ * Generic pointer list manipulation code.
+ *
+ * (C) Copyright Linus Torvalds 2003-2005
+ */
 /*
-* This version is part of the dmr_c project.
-* Copyright (C) 2017 Dibyendu Majumdar
-*/
+ * This version is part of the dmr_c project.
+ * Copyright (C) 2017-2021 Dibyendu Majumdar
+ */
+
+#ifndef ravicomp_PTRLIST_H
+#define ravicomp_PTRLIST_H
 
 #include <allocate.h>
 
@@ -20,25 +20,24 @@
 extern "C" {
 #endif
 
-
 /*
-* The ptrlist data structure is copied from the Linux Sparse project.
-* It is essentially a dynamic array of pointers but the array is split up 
-* into nodes that are linked together. Each node contains a small number of array entries.
-*
-* The ptr list data structure is like a train - with cars linked to each other.
-* Just as in a train each car has many seats, so in ptr list each "node" has
-* several entries. Unlike a train however, the ptr list is arranged as a ring,
-* i.e. the the front and back nodes are linked to each other. Hence there is no
-* such thing as a 'head' of the list - i.e. any node can be the head!
-*
-* The disadvantage of the ptrlist structure compared to a dynamic array is
-* that it consumes more memory to maintain the linked list data structure.
-*
-* The main advantage is that it is well suited to fixed sized memory 
-* allocators as there is no resizing of memory already allocated, which happens
-* with dynamic arrays. The ptrlist is made up of fixed size nodes.
-*/
+ * The ptrlist data structure is copied from the Linux Sparse project.
+ * It is essentially a dynamic array of pointers but the array is split up
+ * into nodes that are linked together. Each node contains a small number of array entries.
+ *
+ * The ptr list data structure is like a train - with cars linked to each other.
+ * Just as in a train each car has many seats, so in ptr list each "node" has
+ * several entries. Unlike a train however, the ptr list is arranged as a ring,
+ * i.e. the the front and back nodes are linked to each other. Hence there is no
+ * such thing as a 'head' of the list - i.e. any node can be the head!
+ *
+ * The disadvantage of the ptrlist structure compared to a dynamic array is
+ * that it consumes more memory to maintain the linked list data structure.
+ *
+ * The main advantage is that it is well suited to fixed sized memory
+ * allocators as there is no resizing of memory already allocated, which happens
+ * with dynamic arrays. The ptrlist is made up of fixed size nodes.
+ */
 
 /* number of array entries per node */
 #ifndef LIST_NODE_NR
@@ -46,14 +45,14 @@ extern "C" {
 #endif
 
 /* structure of a node */
-#define DECLARE_PTR_LIST(listname, type)                                       \
-	typedef struct listname {                                                      \
-		int nr_ : 8;                                                   \
-		int rm_ : 8;                                                   \
-		struct listname *prev_;                                        \
-		struct listname *next_;                                        \
-		Allocator *allocator_;                                  \
-		type *list_[LIST_NODE_NR];                                     \
+#define DECLARE_PTR_LIST(listname, type)                                                                               \
+	typedef struct listname {                                                                                      \
+		int nr_ : 8;                                                                                           \
+		int rm_ : 8;                                                                                           \
+		struct listname *prev_;                                                                                \
+		struct listname *next_;                                                                                \
+		Allocator *allocator_;                                                                                 \
+		type *list_[LIST_NODE_NR];                                                                             \
 	} listname
 
 /* Each node in the list */
@@ -77,13 +76,11 @@ extern void raviX_ptrlist_split_node(struct ptr_list *head);
 extern void raviX_ptrlist_pack(struct ptr_list **self);
 extern void raviX_ptrlist_remove_all(struct ptr_list **self);
 extern int raviX_ptrlist_remove(struct ptr_list **self, void *entry, int count);
-extern int raviX_ptrlist_replace(struct ptr_list **self, void *old_ptr, void *new_ptr,
-	int count);
+extern int raviX_ptrlist_replace(struct ptr_list **self, void *old_ptr, void *new_ptr, int count);
 extern void *raviX_ptrlist_undo_last(struct ptr_list **self);
 extern void *raviX_ptrlist_delete_last(struct ptr_list **self);
 extern void raviX_ptrlist_concat(struct ptr_list *a, struct ptr_list **self);
-extern void raviX_ptrlist_sort(struct ptr_list **self, void *,
-			 int (*cmp)(void *, const void *, const void *));
+extern void raviX_ptrlist_sort(struct ptr_list **self, void *, int (*cmp)(void *, const void *, const void *));
 
 /* iterator functions */
 extern PtrListIterator raviX_ptrlist_forward_iterator(struct ptr_list *self);
@@ -96,54 +93,50 @@ extern void raviX_ptrlist_iter_remove(PtrListIterator *self);
 extern void raviX_ptrlist_iter_set(PtrListIterator *self, void *ptr);
 extern void raviX_ptrlist_iter_mark_deleted(PtrListIterator *self);
 
-static inline void **raviX_ptrlist_iter_this_address(PtrListIterator *self) {
-	return &self->__list->list_[self->__nr];
-}
+static inline void **raviX_ptrlist_iter_this_address(PtrListIterator *self) { return &self->__list->list_[self->__nr]; }
 #define ptr_list_empty(x) ((x) == NULL)
-#define PTR_ENTRY_NOTAG(h,i)	((h)->list_[i])
-#define PTR_ENTRY(h,i)	(void *)(PTR_ENTRY_NOTAG(h,i))
-
-#define FOR_EACH_PTR(list, var) \
-	{ PtrListIterator var##iter__ = raviX_ptrlist_forward_iterator((struct ptr_list *)list); \
-	for (var = raviX_ptrlist_iter_next(&var##iter__); var != NULL; var = raviX_ptrlist_iter_next(&var##iter__))
+#define PTR_ENTRY_NOTAG(h, i) ((h)->list_[i])
+#define PTR_ENTRY(h, i) (void *)(PTR_ENTRY_NOTAG(h, i))
+
+#define FOR_EACH_PTR(list, var)                                                                                        \
+	{                                                                                                              \
+		PtrListIterator var##iter__ = raviX_ptrlist_forward_iterator((struct ptr_list *)list);                 \
+		for (var = raviX_ptrlist_iter_next(&var##iter__); var != NULL;                                         \
+		     var = raviX_ptrlist_iter_next(&var##iter__))
 #define END_FOR_EACH_PTR(var) }
 
-#define FOR_EACH_PTR_REVERSE(list, var) \
-	{ PtrListIterator var##iter__ = raviX_ptrlist_reverse_iterator((struct ptr_list *)list); \
-	for (var = raviX_ptrlist_iter_prev(&var##iter__); var != NULL; var = raviX_ptrlist_iter_prev(&var##iter__))
+#define FOR_EACH_PTR_REVERSE(list, var)                                                                                \
+	{                                                                                                              \
+		PtrListIterator var##iter__ = raviX_ptrlist_reverse_iterator((struct ptr_list *)list);                 \
+		for (var = raviX_ptrlist_iter_prev(&var##iter__); var != NULL;                                         \
+		     var = raviX_ptrlist_iter_prev(&var##iter__))
 #define END_FOR_EACH_PTR_REVERSE(var) }
 
-#define RECURSE_PTR_REVERSE(list, var) \
-	{ PtrListIterator var##iter__ = list##iter__; \
-	for (var = raviX_ptrlist_iter_prev(&var##iter__); var != NULL; var = raviX_ptrlist_iter_prev(&var##iter__))
+#define RECURSE_PTR_REVERSE(list, var)                                                                                 \
+	{                                                                                                              \
+		PtrListIterator var##iter__ = list##iter__;                                                            \
+		for (var = raviX_ptrlist_iter_prev(&var##iter__); var != NULL;                                         \
+		     var = raviX_ptrlist_iter_prev(&var##iter__))
 
-#define PREPARE_PTR_LIST(list, var)	\
-	PtrListIterator var##iter__ = raviX_ptrlist_forward_iterator((struct ptr_list *)list); \
+#define PREPARE_PTR_LIST(list, var)                                                                                    \
+	PtrListIterator var##iter__ = raviX_ptrlist_forward_iterator((struct ptr_list *)list);                         \
 	var = raviX_ptrlist_iter_next(&var##iter__)
 
-#define NEXT_PTR_LIST(var) \
-	var = raviX_ptrlist_iter_next(&var##iter__)
-#define FINISH_PTR_LIST(var) 
-
-#define THIS_ADDRESS(type, var) \
-	(type *)raviX_ptrlist_iter_this_address(&var##iter__)
+#define NEXT_PTR_LIST(var) var = raviX_ptrlist_iter_next(&var##iter__)
+#define FINISH_PTR_LIST(var)
 
-#define DELETE_CURRENT_PTR(var) \
-	raviX_ptrlist_iter_remove(&var##iter__)
+#define THIS_ADDRESS(type, var) (type *)raviX_ptrlist_iter_this_address(&var##iter__)
 
-#define REPLACE_CURRENT_PTR(type, var, replacement) \
-	raviX_ptrlist_iter_set(&var##iter__, replacement)
+#define DELETE_CURRENT_PTR(var) raviX_ptrlist_iter_remove(&var##iter__)
 
-#define INSERT_CURRENT(newval, var) \
-	raviX_ptrlist_iter_insert(&var##iter__, newval)
+#define REPLACE_CURRENT_PTR(type, var, replacement) raviX_ptrlist_iter_set(&var##iter__, replacement)
 
-#define MARK_CURRENT_DELETED(PTR_TYPE, var) \
-	raviX_ptrlist_iter_mark_deleted(&var##iter__)
+#define INSERT_CURRENT(newval, var) raviX_ptrlist_iter_insert(&var##iter__, newval)
 
+#define MARK_CURRENT_DELETED(PTR_TYPE, var) raviX_ptrlist_iter_mark_deleted(&var##iter__)
 
 #ifdef __cplusplus
 }
 #endif
 
-
 #endif

ravicomp/src/ravi_binding.c

@@ -1,3 +1,26 @@
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 /* This will contain Lua bindings */
 
 #include "ravi_api.h"

ravicomp/src/typechecker.c

@@ -1,6 +1,26 @@
-/*
-Copyright (C) 2018-2020 Dibyendu Majumdar
-*/
+/******************************************************************************
+ * Copyright (C) 2020-2021 Dibyendu Majumdar
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ******************************************************************************/
+
 #include <parser.h>
 
 /*
@@ -17,7 +37,6 @@ d) Any unassigned local vars that have type info must be set to valid initial va
 None of these operations are explicit in the AST.
 */
 
-
 static bool is_type_same(const VariableType *a, const VariableType *b)
 {
 	// String comparion of type_name relies upon strings being interned
@@ -98,8 +117,7 @@ static void typecheck_unary_operator(CompilerState *container, AstNode *function
 }
 
 /* Type checker - WIP  */
-static void typecheck_binary_operator(CompilerState *container, AstNode *function,
-				      AstNode *node)
+static void typecheck_binary_operator(CompilerState *container, AstNode *function, AstNode *node)
 {
 	BinaryOperatorType op = node->binary_expr.binary_op;
 	AstNode *e1 = node->binary_expr.expr_left;
@@ -260,8 +278,7 @@ static void typecheck_var_assignment(CompilerState *container, VariableType *var
 	}
 }
 
-static void typecheck_local_statement(CompilerState *container, AstNode *function,
-				      AstNode *node)
+static void typecheck_local_statement(CompilerState *container, AstNode *function, AstNode *node)
 {
 	// The local vars should already be annotated
 	// We need to typecheck the expressions to the right of =
@@ -317,15 +334,13 @@ static void typecheck_expr_statement(CompilerState *container, AstNode *function
 	}
 }
 
-static void typecheck_for_in_statment(CompilerState *container, AstNode *function,
-				      AstNode *node)
+static void typecheck_for_in_statment(CompilerState *container, AstNode *function, AstNode *node)
 {
 	typecheck_ast_list(container, function, node->for_stmt.expr_list);
 	typecheck_ast_list(container, function, node->for_stmt.for_statement_list);
 }
 
-static void typecheck_for_num_statment(CompilerState *container, AstNode *function,
-				       AstNode *node)
+static void typecheck_for_num_statment(CompilerState *container, AstNode *function, AstNode *node)
 {
 	typecheck_ast_list(container, function, node->for_stmt.expr_list);
 	AstNode *expr;
@@ -381,8 +396,7 @@ static void typecheck_if_statement(CompilerState *container, AstNode *function,
 	}
 }
 
-static void typecheck_while_or_repeat_statement(CompilerState *container, AstNode *function,
-						AstNode *node)
+static void typecheck_while_or_repeat_statement(CompilerState *container, AstNode *function, AstNode *node)
 {
 	typecheck_ast_node(container, function, node->while_or_repeat_stmt.condition);
 	if (node->while_or_repeat_stmt.loop_statement_list) {
@@ -459,8 +473,7 @@ static void typecheck_ast_node(CompilerState *container, AstNode *function, AstN
 		/* symbol type should have been set when symbol was created */
 		if (node->symbol_expr.var->symbol_type != SYM_LABEL) {
 			copy_type(&node->symbol_expr.type, &node->symbol_expr.var->variable.value_type);
-		}
-		else {
+		} else {
 			// TODO can this happen?
 			node->symbol_expr.type.type_code = RAVI_TANY;
 		}
@@ -491,7 +504,8 @@ static void typecheck_ast_node(CompilerState *container, AstNode *function, AstN
 			typecheck_ast_node(container, function, node->table_elem_assign_expr.key_expr);
 		}
 		typecheck_ast_node(container, function, node->table_elem_assign_expr.value_expr);
-		copy_type(&node->table_elem_assign_expr.type, &node->table_elem_assign_expr.value_expr->common_expr.type);
+		copy_type(&node->table_elem_assign_expr.type,
+			  &node->table_elem_assign_expr.value_expr->common_expr.type);
 		break;
 	}
 	case EXPR_TABLE_LITERAL: {