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Updated token list and added grammar definition
1 parent 0b52475 commit ea47cfa

2 files changed

Lines changed: 53 additions & 24 deletions

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‎doc/grammar/grammar.txt‎

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group_list ::= group_declaration | group_declaration group_list
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group_declaration ::= GROUP IDENTIFIER BEGIN_TOKEN task_list END_TOKEN
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task_list ::= task_declaration | task_list
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task_declaration ::= TASK IDENTIFIER BEGIN_TOKEN data_section freq_section preq_section exec_section END_TOKEN
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data_section ::= DATA BEGIN_TOKEN variable_declaration_list END_TOKEN
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variable_declaration_list ::= variable_declaration | variable_declaration variable_declaration_list
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variable_declaration ::= identifier_list COLON type_definition ASSIGN_OP literal_value EOL
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literal_value ::= INTEGER | FLOAT
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type_definition ::= TYPE_INTEGER | TYPE_FLOAT
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freq_section ::= FREQ COLON time_declaration EOL
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time_declaration :: = INTEGER "s"|"m"|"h"
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preq_section ::= PREQ BEGIN_TOKEN prerequisite_declaration_list END_TOKEN
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prerequisite_declaration_list ::= boolean_expression | boolean_expression prerequisite_declaration_list
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boolean_expression ::= expression | expression boolean_operator expression EOL
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boolean_operator ::= GT | LT | GE | LE | EQ | NE
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exec_section ::= BEGIN_TOKEN statement_list END_TOKEN
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statement_list ::= statement | statement statement_list
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statement ::= assignment | expression | instrument_queue_push
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assignment ::= IDENTIFIER ASSIGN_OP expression | instrument_property ASSIGN_OP expression
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expression ::= factor | expression ADD factor | expression SUB factor | function_call | instrument_property | instrument_queue_pull
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factor ::= term | factor MUL term | factor DIV term
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term ::= INTEGER | FLOAT | IDENTIFIER | OP expression CP
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function_call ::= IDENTIFIER OP expression CP
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instrument_property ::= IDENTIFIER DOT IDENTIFIER
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instrument_queue_pull ::= IDENTIFIER DOT IDENTIFIER DOT PULL OP expression CP
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instrument_queue_push ::= IDENTIFIER DOT IDENTIFIER DOT PUSH OP expression CP

‎doc/grammar/tokens.txt‎

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"(" { return OP; }
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")" { return CP; }
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";" { return EOL; }
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"," { return COMMA;}
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":" { return COLON;}
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"{" { return BEGIN_TOKEN;}
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"}" { return END_TOKEN;}
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"=" { return ASSIGN_OP;}
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">" { return GT;}
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"<" { return LT;}
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">=" { return GE;}
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"<=" { return LE;}
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"==" { return EQ;}
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"<>" { return NE;}
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"i32" { return TYPE_INTEGER;}
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"f32" { return TYPE_FLOAT;}
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"var" { return VAR;}
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"freq" { return FREQ;}
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"preq" { return PREQ;}
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"data" { return DATA;}
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"exec" { return EXEC;}
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"task" { return TASK;}
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"group" { return GROUP;}
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"return" { return RETURN;}
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[a-z][a-z0-9]* { return IDENTIFIER;}
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[-]?[1-9][0-9]*|[0-9] { return INTEGER;}
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[-]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)? { return FLOAT;}
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"," { return COMMA; }
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":" { return COLON; }
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"." { return DOT; }
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"{" { return BEGIN_TOKEN; }
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"}" { return END_TOKEN; }
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"=" { return ASSIGN_OP; }
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">" { return GT; }
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"<" { return LT; }
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">=" { return GE; }
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"<=" { return LE; }
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"==" { return EQ; }
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"<>" { return NE; }
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"i32" { return TYPE_INTEGER; }
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"f32" { return TYPE_FLOAT; }
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"var" { return VAR; }
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"freq" { return FREQ; }
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"preq" { return PREQ; }
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"data" { return DATA; }
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"exec" { return EXEC; }
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"task" { return TASK; }
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"push" { return PUSH; }
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"pull" { return PULL; }
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"group" { return GROUP; }
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"return" { return RETURN; }
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[a-z][a-z0-9]* { return IDENTIFIER; }
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[-]?[1-9][0-9]*|[0-9] { return INTEGER; }
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[-]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)? { return FLOAT; }

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