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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2018-09-29 21:29:28 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2018-09-29 21:29:28 +0200 |
| commit | 9e5c8a8491c6bd1aff0cddb093c55a580f7fcbb1 (patch) | |
| tree | b5529b1d06d797ed31e16a5b3e6558ebc77659e0 /old | |
| parent | 0edac98af9ced6ae42059f2989a5fe4bd4c75d27 (diff) | |
| download | compilertests-9e5c8a8491c6bd1aff0cddb093c55a580f7fcbb1.tar.gz compilertests-9e5c8a8491c6bd1aff0cddb093c55a580f7fcbb1.tar.bz2 | |
more work on parameter lists, added string parser
Diffstat (limited to 'old')
| -rw-r--r-- | old/minie.ebnf | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/old/minie.ebnf b/old/minie.ebnf index 42dcc15..2562aaa 100644 --- a/old/minie.ebnf +++ b/old/minie.ebnf @@ -1,22 +1,25 @@ Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" . Letter = "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". -Identifier = Letter { Letter | Digit } . +Character = Digit | Letter | "!" | " " | "#" | "$" | "%" | "'" | "(" | ")" | "*" | "+" | "," | "," | "-" | "." | "/" | "[" | "]" | "\" | "^" | "_" | "`" | "{" | "|" | "}" | "~" . Number = Digit { Digit } . -Constant = Number . -Factor = [ "+" | "-" ] Constant | VariableName | "(" Expression ")" . +String = """ { Character | """ """ } """ | "'" . +Identifier = Letter { Letter | Digit } . + +QualifiedIdentifier = Identifier [ "." Identifier ]; +Factor = [ "+" | "-" ] Number | String | QualifiedIdentifier | "(" Expression ")" . Term = Factor { ( "*" | "/" ) Factor } . Expression = Term { ( "+" | "-" ) Term } . VariableName = Identifier . Assignment = VariableName ":=" Expression . StatementList = Statement { ";" Statement } IfStatement = "if" Condition "do" StatementList "else" StatementList "end" . -QualifiedIdentifier = Identifier [ "." Identifier ]; -ParameterList = "(" ")" . +ParameterList = "(" [ Expression { "," Expression } ] ")" . ProdecureCall = QualifiedIdentifier ParameterList . Statement = Assignment | IfStatement | ProcedureCall . StatementBlock = "begin" StatementList "end" . -VariableDeclaration = Identifier ":" Type . +VariableName = Identifier . +VariableDeclaration = VariableName ":" Type . VariableBlock = "VAR" { VariableDeclaration ";" } . ImportBlock = "IMPORT" Identifier { "," Identifier } . ProcedureDeclaration = "PROCEDURE" Identifier ";" DeclarationBlock StatementBlock . |