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A priori parser #242

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A priori parser #242

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26ca5ae
Rewrite by a priori parser
hatsusato Sep 17, 2016
6b0e02f
Add ELLIPSIS token
hatsusato Sep 17, 2016
82160a8
'<' and '>' are single character token
hatsusato Sep 17, 2016
91b1f88
Arrange %code area
hatsusato Sep 17, 2016
f5be7e2
Prohibit old-style function declaration
hatsusato Sep 18, 2016
4181214
Resolve dangling else
hatsusato Sep 18, 2016
38961bc
Remove parameter-type-list
hatsusato Sep 18, 2016
9d6a2d9
Transform argument-expression-list
hatsusato Sep 17, 2016
7e24dc4
Transform specifier-qualifier-list
hatsusato Sep 18, 2016
799f8f5
Transform parameter-type-list to parameter-declaration-list
hatsusato Sep 18, 2016
7ef15b6
Transform pointer into pointer-list
hatsusato Sep 18, 2016
f9d64c6
Straightforward list transformation
hatsusato Sep 18, 2016
413bf5b
Introduce declaration-specifiers.opt
hatsusato Sep 18, 2016
e137898
Introduce identifier.opt
hatsusato Sep 18, 2016
7eddb57
Introduce constant-expression.opt
hatsusato Sep 18, 2016
ec55a6a
Introduce expression.opt
hatsusato Sep 18, 2016
6156f7e
Shrink pointer-list by using type-qualifier-list.opt
hatsusato Sep 18, 2016
16ff443
Shrink declarator and abstract-declarator by using pointer-list.opt
hatsusato Sep 18, 2016
dc0f88e
Shrink compound-statement by using declaration-list.opt and statement…
hatsusato Sep 18, 2016
b9cd512
Return type of functions must be specified explicitly
hatsusato Sep 21, 2016
a1ae53f
Add TYPENAME token
hatsusato Sep 21, 2016
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5 changes: 2 additions & 3 deletions src/lexer.l
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ IDENTIFIER [_a-zA-Z][_a-zA-Z0-9]*
DIGIT8 "0"[0-7]*
DIGIT10 [1-9][0-9]*
DIGIT16 ("0x"|"0X")[0-9a-fA-F]+
SINGLE_CHARACTER_TOKEN [\[\]\(\)\{\}+\-*/%&|^!?=,:;]
SINGLE_CHARACTER_TOKEN [\[\]\(\)\{\}+\-*/%<>&|^!?=,:;]
INTEGER_SUFFIX ([uU][lL]?|[Ll][uU]?)
%x PREPROCESS
%x COMMENT
Expand Down Expand Up @@ -88,8 +88,6 @@ INTEGER_SUFFIX ([uU][lL]?|[Ll][uU]?)
">>" return RIGHT_SHIFT;
"==" return EQUAL;
"!=" return NOT_EQUAL;
"<" return LESS;
">" return GREATER;
"<=" return LESS_EQUAL;
">=" return GREATER_EQUAL;
"&&" return AND;
Expand All @@ -104,6 +102,7 @@ INTEGER_SUFFIX ([uU][lL]?|[Ll][uU]?)
"&=" return AND_ASSIGN;
"|=" return OR_ASSIGN;
"^=" return XOR_ASSIGN;
"..." return ELLIPSIS;

"auto" return AUTO;
"break" return BREAK;
Expand Down
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