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@@ -1,3 +1,5 @@
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+# Original README
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+
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This directory and its subdirectories contain the sources of Coco/R itself,
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and also source code for various implementations of the compiler-specific
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module FileIO used by Coco/R itself for I/O, and also, in many cases, by
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@@ -89,4 +91,24 @@ editors that provide for constructing IDE environments. By simply renaming
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CRQ.FRM as CR.FRM and recompiling Coco/R you can easily generate this
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"editor oriented" version.
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+## GNU Modula-2 Coco/R versions
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+
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+With the help of AI, I modified the sources of CR as well as the frames so
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+it's now possible to generate GNU-Modula-2 compatible sources.
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+
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+The result is actually tested in subfolders Test,Test1 and Test2.
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+
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+Test is based on the original Pascal.atg grammar.
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+
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+Test1 is based on a subset of Modula2 atg grammar, to generate a full compiler, with
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+simple symbol table, type checking and emtting Modula-2 code as output. I could have
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+choosen anotyher language, but here, everything run on GNU M2. It's also to test the
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+ GNU Modula-2 compiler in real programs.
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+
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+ Test2 is more elaborate : I simplified even more the grammar, to only have scalar types.
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+ And I used QBE for backend. It's suprisely worked fine ...
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+
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+ Now, I'll make a plan for some real compiler work. The tests worked fine. But in
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+ small steps. Now defining the features required and the steps.
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+
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=END=
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