24 lines
494 B
Plaintext
24 lines
494 B
Plaintext
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%include {
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#include <assert.h>
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#include <cstdlib>
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#include "lib/Statement.h"
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}
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%syntax_error { printf("Lemon syntax error\n"); }
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%extra_argument { Statement** result }
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%token_type {const char*}
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%type expr {Statement*}
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%left PLUS MINUS .
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start ::= prog.
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prog ::= prog print NL .
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prog ::= prog print .
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prog ::= .
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print ::= expr(a) . { *result = a; }
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expr(a) ::= NUMBER . { a = new Statement(eSelect); }
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expr(a) ::= expr(b) PLUS expr . { a = b; }
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