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Support NaN and Infinity for JSON5

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This commit is contained in:
gingerBill
2019-01-06 22:25:02 +00:00
parent 6295f6747f
commit 08598b9425
2 changed files with 38 additions and 14 deletions
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22
core/encoding/json/parser.odin
View File

@@ -93,6 +93,28 @@ parse_value :: proc(p: ^Parser) -> (value: Value, err: Error) {
case Kind.Open_Bracket:
return parse_array(p);
case:
if p.spec == Specification.JSON5 {
switch token.kind {
case Kind.Infinity:
inf: u64 = 0x7ff0000000000000;
if token.text[0] == '-' {
inf = 0xfff0000000000000;
}
value.value = transmute(f64)inf;
advance_token(p);
return;
case Kind.NaN:
nan: u64 = 0x7ff7ffffffffffff;
if token.text[0] == '-' {
nan = 0xfff7ffffffffffff;
}
value.value = transmute(f64)nan;
advance_token(p);
return;
}
}
}
err = Error.Unexpected_Token;

30
core/encoding/json/validator.odin
View File

@@ -90,31 +90,33 @@ validate_array :: proc(p: ^Parser) -> bool {
validate_value :: proc(p: ^Parser) -> bool {
token := p.curr_token;
using Kind;
switch token.kind {
case Kind.Null:
case Null, False, True:
advance_token(p);
return true;
case Kind.False:
case Integer, Float:
advance_token(p);
return true;
case Kind.True:
advance_token(p);
return true;
case Kind.Integer:
advance_token(p);
return true;
case Kind.Float:
advance_token(p);
return true;
case Kind.String:
case String:
advance_token(p);
return is_valid_string_literal(token.text, p.spec);
case Kind.Open_Brace:
case Open_Brace:
return validate_object(p);
case Kind.Open_Bracket:
case Open_Bracket:
return validate_array(p);
case:
if p.spec == Specification.JSON5 {
switch token.kind {
case Infinity, NaN:
advance_token(p);
return true;
}
}
}
return false;