49 lines
688 B
Markdown
49 lines
688 B
Markdown
# C-val Compiler
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## Lexical Spec
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* LBRACK `[`
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* RBRACK `]`
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* LCURLY `{`
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* RCURLY `}`
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* LPAREN `(`
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* RPAREN `)`
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* ID `[any]`
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* SEMI `;`
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* COMMA `,`
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* ARROW `->`
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* STAR `*`
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* ANDREF `&`
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* DOLLAR `$`
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* COMMENT `#`
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* NUM `[0-9]*(.[0-9]+)?`
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* RETURN `return`
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* IF `if`
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* ELSE `else`
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* STRING `"{any}"`
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## Syntax Spec
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```
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program := defn*
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defn := VAL type ID ;
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| VAL type ID expr ;
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expr := atom atom* ;
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atom := ID
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| NUM
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| STR
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| lambda
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| compound
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| reference
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| dereference
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stmt := defn
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| expr
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stmt := defn | st
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``` |