51 lines
1.0 KiB
Plaintext
51 lines
1.0 KiB
Plaintext
parser:
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- call parse_value
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- next_token
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? <EOF> nop.
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parse_value:
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- next_token
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? <OBJ_BEGIN> call parse_object.
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? <ARR_BEGIN> call parse_array.
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? <STRING> push. return.
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? <BOOLEAN> push. return.
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? <NULL> push. return.
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? <NUMBER> push. return.
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parse_object:
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- push table
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- next_token
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? <STRING> push.
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- next_token
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? <COLON> nop.
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- call parse_value
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- set table
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- next_token
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? <OBJ_END> return.
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? <COMMA> loop parse_object.
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parse_array:
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- push table
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- call parse_value
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- table append
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- next_token
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? <COMMA> loop parse_array.
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? ] return.
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next_token:
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- check next character
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? { return <OBJ_BEGIN>
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? } return <OBJ_END>
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? [ return <ARR_BEGIN>
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? ] return <ARR_END>
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? , return <COMMA>
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? : return <COLON>
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? [-0-9] gobble number. return <NUMBER>
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? " gobble string. return <STRING>
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? [ \t\n] eat whitespace.
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? n Check "null". return <NULL> or <UNKNOWN>
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? t Check "true". return <BOOLEAN> or <UNKNOWN>
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? f Check "false". return <BOOLEAN> or <UNKNOWN>
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? . return <UNKNOWN>
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? \0 return <END>
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