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v/vlib/compiler2/parser/parser_test.v

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module parser
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import (
compiler2.ast
compiler2.cgen
)
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fn test_parser() {
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//if true { return }
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//expr := ast.IntegerExpr {val:10}
//expr := ast.BinaryExpr{}
// print using walk
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expr := parse_expr('3 + 7')
println('\n')
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text_expr := [
'1 += 2',
'1.2 + 3.4',
'4 + 4',
'1 + 2 * 5',
'(2 * 3) / 2',
'3 + (7 * 6)',
'2 ^ 8 * (7 * 6)',
'20 + (10 * 15) / 5', // 50
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'(2) + (17*2-30) * (5)+2 - (8/2)*4', // 8
'2 + "hi"'
]
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for s in text_expr {
// print using str method
x := parse_expr(s)
println('source: $s')
println('parsed: $x')
println('===================')
}
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}
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fn test_cgen() {
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//expr := parse_expr('3 + 7 * 2')
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//expr2 := parse_stmt('a := 3 + "f"')
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expr2 := parse_expr('2 + "helo"')
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program := ast.Program{
exprs: [
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expr2,
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//parse_expr('2 * 2'),
]
}
cgen.gen(program)
//cgen.save()
}