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Add casting as a language feature. Have not removed the function yet as we need an inbetween version for the bootstrap

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Nathan Braswell
2016-04-18 22:56:29 -04:00
parent d5b930739f
commit cf46fb13af
7 changed files with 71 additions and 9 deletions
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6
krakenGrammer.kgm
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@@ -1,4 +1,5 @@
Goal = translation_unit ;
cast_expression = "\(" WS boolean_expression WS "\)" WS "cast" WS type ;
translation_unit = WS unorderd_list_part WS ;
unorderd_list_part = import WS unorderd_list_part | function WS unorderd_list_part | type_def line_end WS unorderd_list_part | adt_def line_end WS unorderd_list_part | if_comp WS unorderd_list_part | simple_passthrough WS unorderd_list_part | declaration_statement line_end WS unorderd_list_part | import | function | type_def line_end | adt_def line_end | if_comp | simple_passthrough | declaration_statement line_end ;
@@ -125,7 +126,8 @@ expression = expression WS "<<" WS term | expression WS right_shift WS shiftand
shiftand = shiftand WS "-" WS term | shiftand WS "\+" WS term | term ;
term = term WS "/" WS factor | term WS "\*" WS factor | term WS "%" WS factor | factor ;
factor = "\+\+" WS unarad | unarad WS "\+\+" | "--" WS unarad | unarad WS "--" | "\+" WS unarad | "-" WS unarad | "!" WS unarad | "~" WS unarad | "\*" WS unarad | "&" WS unarad | unarad ;
unarad = number | scoped_identifier | scoped_identifier WS template_inst | access_operation | function_call | bool | string | character | "\(" WS boolean_expression WS "\)" | unarad WS "[" WS expression WS "]" | lambda ;
unarad = number | scoped_identifier | scoped_identifier WS template_inst | access_operation | function_call | bool | string | character | "\(" WS boolean_expression WS "\)" | unarad WS "[" WS expression WS "]" | lambda | cast_expression ;
cast_expression = "\(" WS boolean_expression WS "\)" WS "cast" WS type ;
number = integer | floating_literal ;
access_operation = unarad WS "." WS identifier | unarad WS "->" WS identifier | unarad WS "." WS identifier WS template_inst | unarad WS "->" WS identifier WS template_inst ;
@@ -139,7 +141,7 @@ float_end = "(0|1|2|3|4|5|6|7|8|9)+" | "(0|1|2|3|4|5|6|7|8|9)+f" | "(0|1|2|3|4|5
bool = "true" | "false" ;
character = "'(`|1|2|3|4|5|6|7|8|9|0|-|=|(\\t)|q|w|e|r|t|y|u|i|o|p|[|]|(\\\\)|a|s|d|f|g|h|j|k|l|;|(\\')|(\\n)|z|x|c|v|b|n|m|,|.|/|~|!|@|#|$|%|^|&|\*|\(|\)|_|\+|Q|W|E|R|T|Y|U|I|O|P|{|}|\||A|S|D|F|G|H|J|K|L|:|\"|Z|X|C|V|B|N|M|<|>|\?| |(\\0))'" ;
keywords_also_identifiers = "obj" | "def" | "fun" | "var" | "ref" | "adt" | "import" | "simple_passthrough" ;
keywords_also_identifiers = "obj" | "def" | "fun" | "var" | "ref" | "adt" | "cast" | "import" | "simple_passthrough" ;
alpha_alphanumeric = "(a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|_)(a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|_|0|1|2|3|4|5|6|7|8|9)*" ;
augmented_alpha_alphanumeric = alpha_alphanumeric augmented_alpha_alphanumeric | keywords_also_identifiers augmented_alpha_alphanumeric | alpha_alphanumeric | keywords_also_identifiers ;