110 lines
1.5 KiB
V
110 lines
1.5 KiB
V
module parser
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import (
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v.ast
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v.gen
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v.table
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)
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fn test_parse_file() {
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if true {
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return
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}
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s := '
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fn foo() int {
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f := 23
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return 10+4
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}
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12 + 3
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x := 10
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5+7
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8+4
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'
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table := &table.Table{}
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prog := parse_file(s, table)
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res := gen.cgen([prog], table)
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println(res)
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}
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fn test_parse_expr() {
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input := [
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//
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'q := 1',
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'q + 777',
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'2 + 3',
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'2+2*4',
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// '(2+2)*4',
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'x := 10',
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'mut a := 12',
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'ab := 10 + 3 * 9',
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's := "hi"',
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// '1 += 2',
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'a += 10',
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'1.2 + 3.4',
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'4 + 4',
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'1 + 2 * 5',
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/*
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'(2 * 3) / 2',
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'3 + (7 * 6)',
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'2 ^ 8 * (7 * 6)',
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'20 + (10 * 15) / 5', // 50
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'(2) + (17*2-30) * (5)+2 - (8/2)*4', // 8
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//'2 + "hi"',
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*/
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]
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expecting := [
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//
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'int q = 1;',
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'q + 777;',
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'2 + 3;',
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'2 + 2 * 4;',
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// '(2 + 2) * 4',
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'int x = 10;',
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'int a = 12;',
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'int ab = 10 + 3 * 9;',
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'string s = tos3("hi");',
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// '1 += 2;',
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'a += 10;',
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'1.2 + 3.4;',
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'4 + 4;',
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'1 + 2 * 5;',
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]
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mut e := []ast.Stmt
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table := &table.Table{}
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for s in input {
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e << parse_stmt(s, table)
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}
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program := ast.File{
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stmts: e
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}
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res := gen.cgen([program], table)
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println('========')
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println(res)
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println('========')
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lines := res.trim_space().split_into_lines()
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mut i := 0
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for line in lines {
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if line == '' {
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continue
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}
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println('V:"$line" expecting:"${expecting[i]}"')
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assert line == expecting[i]
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i++
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if i >= expecting.len {
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break
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}
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}
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}
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/*
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table := &table.Table{}
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for s in text_expr {
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// print using str method
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x := parse_expr(s, table)
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println('source: $s')
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println('parsed: $x')
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println('===================')
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*/
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