bashrs 6.66.0

Rust-to-Shell transpiler for deterministic bootstrap scripts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304


    #[test]
    fn test_MAKE_BUILD_012_non_main_function_as_target() {
        // Non-main functions with echo/println become helper targets
        let ast = RestrictedAst {
            functions: vec![
                Function {
                    name: "main".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Let {
                        name: "cc".to_string(),
                        value: Expr::Literal(Literal::Str("gcc".to_string())),
                        declaration: true,
                    }],
                },
                Function {
                    name: "help".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Expr(Expr::FunctionCall {
                        name: "echo".to_string(),
                        args: vec![Expr::Literal(Literal::Str("Usage: make build".to_string()))],
                    })],
                },
            ],
            entry_point: "main".to_string(),
        };

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"), "Main var in: {result}");
        assert!(result.contains("help"), "Helper target in: {result}");
    }

    #[test]
    fn test_MAKE_BUILD_013_ignored_stmt_types() {
        // Non-Let, non-Expr statements should be ignored
        let ast = make_simple_ast(vec![
            Stmt::Let {
                name: "cc".to_string(),
                value: Expr::Literal(Literal::Str("gcc".to_string())),
                declaration: true,
            },
            Stmt::Expr(Expr::FunctionCall {
                name: "unknown_func".to_string(),
                args: vec![],
            }),
        ]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
    }

    // --- Coverage tests for uncovered lines ---

    #[test]
    fn test_MAKE_COV_001_convert_stmt_return_catchall() {
        // Line 118: _ => Ok(None) in convert_stmt — Stmt::Return is not Let or Expr
        let ast = make_simple_ast(vec![
            Stmt::Let {
                name: "cc".to_string(),
                value: Expr::Literal(Literal::Str("gcc".to_string())),
                declaration: true,
            },
            Stmt::Return(None),
        ]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
    }

    #[test]
    fn test_MAKE_COV_002_convert_expr_non_functioncall() {
        // Line 144: _ => Ok(None) in convert_expr — Expr::Variable is not FunctionCall
        let ast = make_simple_ast(vec![
            Stmt::Let {
                name: "cc".to_string(),
                value: Expr::Literal(Literal::Str("gcc".to_string())),
                declaration: true,
            },
            Stmt::Expr(Expr::Variable("some_var".to_string())),
        ]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
    }

    #[test]
    fn test_MAKE_COV_003_non_main_function_non_echo_body() {
        // Lines 87-88: Function body stmt is FunctionCall but NOT echo/println
        let ast = RestrictedAst {
            functions: vec![
                Function {
                    name: "main".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Let {
                        name: "cc".to_string(),
                        value: Expr::Literal(Literal::Str("gcc".to_string())),
                        declaration: true,
                    }],
                },
                Function {
                    name: "setup".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Expr(Expr::FunctionCall {
                        name: "run_cmd".to_string(),
                        args: vec![Expr::Literal(Literal::Str("init".to_string()))],
                    })],
                },
            ],
            entry_point: "main".to_string(),
        };

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
        // "setup" function has no echo/println so no target is generated
        assert!(!result.contains("setup:"));
    }

    #[test]
    fn test_MAKE_COV_004_non_main_function_non_expr_stmt() {
        // Lines 87-88: Function body stmt is NOT Stmt::Expr(FunctionCall{..})
        let ast = RestrictedAst {
            functions: vec![
                Function {
                    name: "main".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Let {
                        name: "cc".to_string(),
                        value: Expr::Literal(Literal::Str("gcc".to_string())),
                        declaration: true,
                    }],
                },
                Function {
                    name: "init".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Return(None)],
                },
            ],
            entry_point: "main".to_string(),
        };

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
    }

    #[test]
    fn test_MAKE_COV_005_extract_string_array_dunder_array() {
        // Lines 204-209: __array__ function call in extract_string_array
        let ast = make_simple_ast(vec![Stmt::Expr(Expr::FunctionCall {
            name: "target".to_string(),
            args: vec![
                Expr::Literal(Literal::Str("build".to_string())),
                Expr::FunctionCall {
                    name: "__array__".to_string(),
                    args: vec![
                        Expr::Literal(Literal::Str("dep1".to_string())),
                        Expr::Literal(Literal::Str("dep2".to_string())),
                    ],
                },
                Expr::Array(vec![Expr::Literal(Literal::Str(
                    "gcc -o build".to_string(),
                ))]),
            ],
        })]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("build"), "Target in: {result}");
    }

    #[test]
    fn test_MAKE_COV_006_extract_string_array_fallback_expr() {
        // Line 217: catch-all _ => in extract_string_array — non-string expr
        let ast = make_simple_ast(vec![Stmt::Expr(Expr::FunctionCall {
            name: "target".to_string(),
            args: vec![
                Expr::Literal(Literal::Str("build".to_string())),
                Expr::Variable("deps_var".to_string()),
                Expr::Array(vec![Expr::Literal(Literal::Str(
                    "gcc -o build".to_string(),
                ))]),
            ],
        })]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("$(DEPS_VAR)"), "Variable ref in: {result}");
    }

    #[test]
    fn test_MAKE_COV_007_expr_to_string_array_succeeds() {
        // Arrays are now converted to space-separated Makefile values
        let ast = make_simple_ast(vec![Stmt::Let {
            name: "data".to_string(),
            value: Expr::Array(vec![
                Expr::Literal(Literal::Str("a".to_string())),
                Expr::Literal(Literal::Str("b".to_string())),
            ]),
            declaration: true,
        }]);

        let result = emit_makefile(&ast);
        assert!(
            result.is_ok(),
            "Array should convert to Makefile value: {:?}",
            result
        );
        let output = result.expect("verified ok above");
        assert!(output.contains("DATA := a b"), "Output: {}", output);
    }

    #[test]
    fn test_MAKE_COV_007b_expr_to_string_unsupported() {
        // Truly unsupported expression types still fail
        let ast = make_simple_ast(vec![Stmt::Let {
            name: "data".to_string(),
            value: Expr::Block(vec![]),
            declaration: true,
        }]);

        let err = emit_makefile(&ast).unwrap_err();
        assert!(
            format!("{err}").contains("Cannot convert expression"),
            "Error: {err}"
        );
    }

    #[test]
    fn test_MAKE_COV_008_non_main_function_empty_recipes() {
        // Line 104: !recipes.is_empty() is false — function with no echo
        let ast = RestrictedAst {
            functions: vec![
                Function {
                    name: "main".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Let {
                        name: "cc".to_string(),
                        value: Expr::Literal(Literal::Str("gcc".to_string())),
                        declaration: true,
                    }],
                },
                Function {
                    name: "check".to_string(),
                    params: vec![],
                    return_type: Type::Void,
                    body: vec![Stmt::Let {
                        name: "x".to_string(),
                        value: Expr::Literal(Literal::Str("val".to_string())),
                        declaration: true,
                    }],
                },
            ],
            entry_point: "main".to_string(),
        };

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
        // check function has no echo → no target
        assert!(!result.contains("check:"));
    }

    #[test]
    fn test_MAKE_BUILD_014_combined_vars_and_targets() {
        let ast = make_simple_ast(vec![
            Stmt::Let {
                name: "cc".to_string(),
                value: Expr::Literal(Literal::Str("gcc".to_string())),
                declaration: true,
            },
            Stmt::Let {
                name: "cflags".to_string(),
                value: Expr::Literal(Literal::Str("-O2".to_string())),
                declaration: true,
            },
            Stmt::Expr(Expr::FunctionCall {
                name: "phony_target".to_string(),
                args: vec![
                    Expr::Literal(Literal::Str("all".to_string())),
                    Expr::Array(vec![Expr::Literal(Literal::Str("build".to_string()))]),
                    Expr::Array(vec![]),
                ],
            }),
            Stmt::Expr(Expr::FunctionCall {
                name: "target".to_string(),
                args: vec![
                    Expr::Literal(Literal::Str("build".to_string())),
                    Expr::Array(vec![Expr::Literal(Literal::Str("main.c".to_string()))]),
                    Expr::Array(vec![Expr::Literal(Literal::Str(
                        "$(CC) $(CFLAGS) -o build main.c".to_string(),
                    ))]),
                ],
            }),
        ]);

        let result = emit_makefile(&ast).unwrap();
        assert!(result.contains("CC := gcc"));
        assert!(result.contains("CFLAGS := -O2"));
        assert!(result.contains("all"), "all target in: {result}");
        assert!(result.contains("build"), "build target in: {result}");
    }