gazprea-fuzzer-python/ast_generator/gazprea_ast_grammar.py

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from constants import Grammar
2023-11-17 16:57:53 -07:00
GAZPREA_TOP_LEVEL: Grammar = {
# Top level elements
'<start>': ['<topBlock>'],
'<topBlock>': ['<XML_OPEN_TAG>block<XML_CLOSE_TAG><routine_list><main_routine><routine_list><XML_OPEN_SLASH>block<XML_CLOSE_TAG>'],
# TODO constants
# Routines
'<routine>': ['<function>', '<procedure>'], # TODO forward_declaration
'<function>': [
'<XML_OPEN_TAG>function name="_NAME_" return_type="_TYPE_" args="_ARGS_"<XML_CLOSE_TAG><return_block><XML_OPEN_SLASH>function<XML_CLOSE_TAG>'],
'<procedure>': [
'<XML_OPEN_TAG>procedure name="_NAME_" return_type="_TYPE_" args="_ARGS_"<XML_CLOSE_TAG><block><XML_OPEN_SLASH>procedure<XML_CLOSE_TAG>'],
'<main_routine>': [
'<XML_OPEN_TAG>procedure name="main" return_type="int" args="()"<XML_CLOSE_TAG><return_block><XML_OPEN_SLASH>procedure<XML_CLOSE_TAG>'],
'<routine_list>': ['<routine><routine_list><routine>', '<routine>'],
# Blocks
'<block>': ['<XML_OPEN_TAG>block<XML_CLOSE_TAG><statement_list><XML_OPEN_SLASH>block<XML_CLOSE_TAG>'],
'<return_block>': ['<XML_OPEN_TAG>block<XML_CLOSE_TAG><statement_list><return><XML_OPEN_SLASH>block<XML_CLOSE_TAG>'],
'<statement>': [
'<declaration>',
'<stream>',
# '<call>',
# '<return>', # TODO if/else, loop
],
'<statement_list>': ['<statement><statement_list><statement>', '<statement>'],
# Things that belong on their own lines
'<declaration>': ['<XML_OPEN_TAG>declaration<XML_CLOSE_TAG><variable><rhs><XML_OPEN_SLASH>declaration<XML_CLOSE_TAG>'],
'<stream>': ['<out_stream>'], #, '<in_stream>'],
'<return>': ['<XML_OPEN_TAG>return<XML_CLOSE_TAG><has_value><XML_OPEN_SLASH>return<XML_CLOSE_TAG>'],
'<out_stream>': ['<XML_OPEN_TAG>stream type="std_output"<XML_CLOSE_TAG><has_value><XML_OPEN_SLASH>stream<XML_CLOSE_TAG>'],
# '<in_stream>': ['<XML_OPEN_TAG>stream type="std_input"<XML_CLOSE_TAG><has_value><XML_OPEN_SLASH>stream<XML_CLOSE_TAG>'],
# Things that are part of lines
'<has_value>': ['<variable>', '<literal>', '<operator>'],
'<lhs>': ['<XML_OPEN_TAG>lhs<XML_CLOSE_TAG><has_value><XML_OPEN_SLASH>lhs<XML_CLOSE_TAG>'],
'<rhs>': ['<XML_OPEN_TAG>rhs<XML_CLOSE_TAG><has_value><XML_OPEN_SLASH>rhs<XML_CLOSE_TAG>'],
# Things that have values
'<operator>': ['<XML_OPEN_TAG>operator<XML_CLOSE_TAG><lhs><rhs><XML_OPEN_SLASH>operator<XML_CLOSE_TAG>'],
'<variable>': ['<XML_OPEN_TAG>variable mut="_MODIFIER_" type="_TYPE_" name="_NAME_"<XML_SLASH_TAG>'],
'<literal>': ['<XML_OPEN_TAG>literal type="_TYPE_" value="_VALUE_"<XML_SLASH_TAG>'],
# Helper rules
'<XML_OPEN_TAG>': ['<'],
'<XML_CLOSE_TAG>': ['>'],
'<XML_SLASH_TAG>': ['/>'],
'<XML_OPEN_SLASH>': ['</'],
}