GCC Code Coverage Report

Directory: ../
File: src/symboltablebuilder/TypeQualifiers.cpp
Date: 2025-02-05 01:09:36
Exec Total Coverage
Lines: 73 77 94.8%
Functions: 7 7 100.0%
Branches: 54 66 81.8%
Line Branch Exec Source
1 // Copyright (c) 2021-2025 ChilliBits. All rights reserved.
2
3 #include "TypeQualifiers.h"
4
5 #include <exception/CompilerError.h>
6 #include <symboltablebuilder/TypeChain.h>
7
8 namespace spice::compiler {
9
10 /**
11 * Get default type qualifiers for a given super type
12 *
13 * @param superType Super type
14 * @return Default type qualifiers
15 */
16 4093517 TypeQualifiers TypeQualifiers::of(uint16_t superType) {
17
5/6
✓ Branch 0 (2→3) taken 110799 times.
✓ Branch 1 (2→6) taken 253001 times.
✓ Branch 2 (2→9) taken 59718 times.
✓ Branch 3 (2→12) taken 1460 times.
✓ Branch 4 (2→15) taken 3668539 times.
✗ Branch 5 (2→18) not taken.
 4093517 switch (superType) {
18 110799 case TY_DOUBLE: // fall-through
19 case TY_INT: // fall-through
20 case TY_SHORT: // fall-through
21 case TY_LONG:
22 110799 return {/*const*/ false, /*signed*/ true, /*unsigned*/ false};
23 253001 case TY_BYTE: // fall-through
24 case TY_CHAR: // fall-through
25 case TY_STRING: // fall-through
26 case TY_BOOL: // fall-through
27 case TY_PTR: // fall-through
28 case TY_REF: // fall-through
29 case TY_ARRAY: // fall-through
30 case TY_STRUCT: // fall-through
31 case TY_INTERFACE: // fall-through
32 case TY_FUNCTION: // fall-through
33 case TY_PROCEDURE:
34 253001 return {/*const*/ false, /*signed*/ false, /*unsigned*/ true};
35 59718 case TY_GENERIC:
36 // Generics must be non-signed and non-unsigned at the same time to ensure a proper function matching
37 59718 return {/*const*/ false, /*signed*/ false, /*unsigned*/ false};
38 1460 case TY_ENUM: // fall-through
39 case TY_ALIAS: // fall-through
40 case TY_IMPORT:
41 1460 return {/*const*/ true, /*signed*/ false, /*unsigned*/ true};
42 3668539 case TY_DYN: // fall-through
43 case TY_INVALID: // fall-through
44 case TY_UNRESOLVED:
45 // Return all-false qualifiers to not match anything
46 3668539 return {/*const*/ false, /*signed*/ false, /*unsigned*/ false};
47 ✗ default:
48 − throw CompilerError(UNHANDLED_BRANCH, "Symbol qualifier fallthrough"); // GCOV_EXCL_LINE
49 }
50 }
51
52 /**
53 * Merge two sets of type qualifiers. If possible, prefer the opposite of the default of the super type
54 *
55 * @param other Other type qualifiers object
56 * @return Merged qualifiers object
57 */
58 12778 TypeQualifiers TypeQualifiers::merge(const TypeQualifiers &other) const {
59 12778 TypeQualifiers result;
60
6/8
✓ Branch 0 (2→3) taken 12778 times.
✗ Branch 1 (2→23) not taken.
✓ Branch 2 (3→4) taken 12425 times.
✓ Branch 3 (3→7) taken 353 times.
✓ Branch 4 (4→5) taken 12425 times.
✗ Branch 5 (4→23) not taken.
✓ Branch 6 (5→6) taken 8056 times.
✓ Branch 7 (5→7) taken 4369 times.
 12778 const bool isGeneric = !getBit(BIT_INDEX_SIGNED) && !getBit(BIT_INDEX_UNSIGNED);
61
2/2
✓ Branch 0 (20→9) taken 89446 times.
✓ Branch 1 (20→21) taken 12778 times.
 102224 for (uint8_t i = 0; i <= BIT_INDEX_MAX; i++) {
62
1/2
✓ Branch 0 (9→10) taken 89446 times.
✗ Branch 1 (9→23) not taken.
 89446 const bool x = getBit(i);
63
1/2
✓ Branch 0 (10→11) taken 89446 times.
✗ Branch 1 (10→23) not taken.
 89446 const bool y = other.getBit(i);
64
65
4/4
✓ Branch 0 (11→12) taken 76668 times.
✓ Branch 1 (11→13) taken 12778 times.
✓ Branch 2 (12→13) taken 12778 times.
✓ Branch 3 (12→18) taken 63890 times.
 89446 if (i == BIT_INDEX_SIGNED || i == BIT_INDEX_UNSIGNED) {
66
3/4
✓ Branch 0 (13→14) taken 16112 times.
✓ Branch 1 (13→15) taken 9444 times.
✓ Branch 2 (16→17) taken 25556 times.
✗ Branch 3 (16→23) not taken.
 25556 result.setBit(i, isGeneric ? y : x);
67 } else {
68
1/2
✓ Branch 0 (18→19) taken 63890 times.
✗ Branch 1 (18→23) not taken.
 63890 result.setBit(i, x | y);
69 }
70 }
71 12778 return result;
72 }
73
74 /**
75 * Check if two sets of type qualifiers match
76 *
77 * @param other The rhs qualifiers
78 * @param allowConstify Match when the types are the same, but the lhs type is more const restrictive than the rhs type
79 * @return Matching or not
80 */
81 10433 bool TypeQualifiers::match(TypeQualifiers other, bool allowConstify) const {
82 10433 const TypeQualifiers thisQualifiers = *this;
83
84 // If allowConstify is enabled, only allow to match lhs=const and rhs=non-const
85
4/4
✓ Branch 0 (2→3) taken 10413 times.
✓ Branch 1 (2→5) taken 20 times.
✓ Branch 2 (3→4) taken 1330 times.
✓ Branch 3 (3→5) taken 9083 times.
 10433 if (allowConstify && thisQualifiers.isConst)
86 1330 other.isConst = true;
87
88 // Check if qualifiers are equal
89 10433 return thisQualifiers == other;
90 }
91
92 /**
93 * Erase all qualifiers that are set in the mask. This is used in type matching.
94 *
95 * @param mask Bitmask to erase with
96 */
97 4135 void TypeQualifiers::eraseWithMask(const TypeQualifiers &mask) {
98 // Zero out all bits that are set in the mask
99
2/2
✓ Branch 0 (11→3) taken 28945 times.
✓ Branch 1 (11→12) taken 4135 times.
 33080 for (uint8_t i = 0; i <= BIT_INDEX_MAX; i++) {
100
2/2
✓ Branch 0 (4→5) taken 943 times.
✓ Branch 1 (4→10) taken 28002 times.
 28945 if (mask.getBit(i)) {
101 // Zero out the bit
102 943 setBit(i, false);
103
104 // If we set the signed/unsigned bit to zero, we need to set the other to one
105
1/2
✗ Branch 0 (6→7) not taken.
✓ Branch 1 (6→8) taken 943 times.
 943 if (i == BIT_INDEX_SIGNED) {
106 ✗ setBit(BIT_INDEX_UNSIGNED, true);
107
2/2
✓ Branch 0 (8→9) taken 179 times.
✓ Branch 1 (8→10) taken 764 times.
 943 } else if (i == BIT_INDEX_UNSIGNED) {
108 179 setBit(BIT_INDEX_SIGNED, true);
109 }
110 }
111 }
112 4135 }
113
114 10522 bool operator==(const TypeQualifiers &lhs, const TypeQualifiers &rhs) {
115 10522 const bool isConst = lhs.isConst == rhs.isConst;
116 10522 const bool isSigned = lhs.isSigned == rhs.isSigned;
117 10522 const bool isUnsigned = lhs.isUnsigned == rhs.isUnsigned;
118 10522 const bool isHeap = lhs.isHeap == rhs.isHeap;
119
6/8
✓ Branch 0 (2→3) taken 10507 times.
✓ Branch 1 (2→7) taken 15 times.
✓ Branch 2 (3→4) taken 10507 times.
✗ Branch 3 (3→7) not taken.
✓ Branch 4 (4→5) taken 10507 times.
✗ Branch 5 (4→7) not taken.
✓ Branch 6 (5→6) taken 10419 times.
✓ Branch 7 (5→7) taken 88 times.
 10522 return isConst && isSigned && isUnsigned && isHeap;
120 }
121
122 233040 bool TypeQualifiers::getBit(uint8_t index) const {
123
7/8
✓ Branch 0 (2→3) taken 29691 times.
✓ Branch 1 (2→4) taken 42469 times.
✓ Branch 2 (2→5) taken 42116 times.
✓ Branch 3 (2→6) taken 29691 times.
✓ Branch 4 (2→7) taken 29691 times.
✓ Branch 5 (2→8) taken 29691 times.
✓ Branch 6 (2→9) taken 29691 times.
✗ Branch 7 (2→10) not taken.
 233040 switch (index) {
124 29691 case BIT_INDEX_CONST:
125 29691 return isConst;
126 42469 case BIT_INDEX_SIGNED:
127 42469 return isSigned;
128 42116 case BIT_INDEX_UNSIGNED:
129 42116 return isUnsigned;
130 29691 case BIT_INDEX_HEAP:
131 29691 return isHeap;
132 29691 case BIT_INDEX_PUBLIC:
133 29691 return isPublic;
134 29691 case BIT_INDEX_INLINE:
135 29691 return isInline;
136 29691 case BIT_INDEX_COMPOSITION:
137 29691 return isComposition;
138 ✗ default:
139 − throw CompilerError(UNHANDLED_BRANCH, "Bit index fallthrough"); // GCOV_EXCL_LINE
140 }
141 }
142
143 90568 bool TypeQualifiers::setBit(uint8_t index, bool value) {
144
7/8
✓ Branch 0 (2→3) taken 13542 times.
✓ Branch 1 (2→4) taken 12957 times.
✓ Branch 2 (2→5) taken 12957 times.
✓ Branch 3 (2→6) taken 12778 times.
✓ Branch 4 (2→7) taken 12778 times.
✓ Branch 5 (2→8) taken 12778 times.
✓ Branch 6 (2→9) taken 12778 times.
✗ Branch 7 (2→10) not taken.
 90568 switch (index) {
145 13542 case BIT_INDEX_CONST:
146 13542 return isConst = value;
147 12957 case BIT_INDEX_SIGNED:
148 12957 return isSigned = value;
149 12957 case BIT_INDEX_UNSIGNED:
150 12957 return isUnsigned = value;
151 12778 case BIT_INDEX_HEAP:
152 12778 return isHeap = value;
153 12778 case BIT_INDEX_PUBLIC:
154 12778 return isPublic = value;
155 12778 case BIT_INDEX_INLINE:
156 12778 return isInline = value;
157 12778 case BIT_INDEX_COMPOSITION:
158 12778 return isComposition = value;
159 ✗ default:
160 − throw CompilerError(UNHANDLED_BRANCH, "Bit index fallthrough"); // GCOV_EXCL_LINE
161 }
162 }
163
164 } // namespace spice::compiler
165