25 lines
834 B
Forth
25 lines
834 B
Forth
fn read-cell in: (addr gap-buffer), out: (addr handle cell), trace: (addr trace) {
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# eagerly tokenize everything so that the phases are easier to see in the trace
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var tokens-storage: (stream token 0x400)
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var tokens/edx: (addr stream token) <- address tokens-storage
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tokenize in, tokens, trace
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var error?/eax: boolean <- has-errors? trace
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compare error?, 0/false
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{
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break-if-=
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return
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}
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# insert more parens based on indentation
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var parenthesized-tokens-storage: (stream token 0x400)
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var parenthesized-tokens/ecx: (addr stream token) <- address parenthesized-tokens-storage
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parenthesize tokens, parenthesized-tokens, trace
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var error?/eax: boolean <- has-errors? trace
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compare error?, 0/false
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{
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break-if-=
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return
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}
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# TODO: transform infix
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parse-input parenthesized-tokens, out, trace
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}
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