We will build a cross compiler with the source language as Java, Target Language as MIPS and implementation language as Python.

We have a made a lexer for the source language JAVA . The ouptut of the program is a tagged program, with the token types appearing as comments.

Then from the above, we have made a parser and the output is a parse tree of the input program in dot format(that can be rendered using graphviz)

Here, we wrote a Intermediate Code Generator(in Ass3 folder) for the source langauge JAVA. The output for it is a linked list of Three Address Code(3AC). So, we designed the 3AC code, attached semantic rules to the grammar designed in "Compiler-parser" repository to genertae a three-address code for JAVA langauge as a linked-list of three-address statements and print the 3-address code on the standard output.

Here, we then wrote an Assembly Code Generator from the above INtermediate Code Generator. The output of this is assembly code in MIPS. Here , we have implemented a register allocator,implement the translator to translate staements in three-address code to assembly instruction, set up the data regions to handle global data and constants, and provided some of the library support for useful programs.

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