GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 100.0% 74 / 6 / 80
Functions: 100.0% 7 / 0 / 7
Branches: 83.3% 55 / 12 / 78
src/symboltablebuilder/TypeQualifiers.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 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 1927090 TypeQualifiers TypeQualifiers::of(uint16_t superType) {
17
5/6
✓ Branch 2 → 3 taken 164412 times.
✓ Branch 2 → 6 taken 356126 times.
✓ Branch 2 → 9 taken 96862 times.
✓ Branch 2 → 12 taken 2041 times.
✓ Branch 2 → 15 taken 1307649 times.
✗ Branch 2 → 18 not taken.
 1927090 switch (superType) {
18 164412 case TY_DOUBLE: // fall-through
19 case TY_INT: // fall-through
20 case TY_SHORT: // fall-through
21 case TY_LONG:
22 164412 return {/*const*/ false, /*signed*/ true, /*unsigned*/ false};
23 356126 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 356126 return {/*const*/ false, /*signed*/ false, /*unsigned*/ true};
35 96862 case TY_GENERIC:
36 // Generics must be non-signed and non-unsigned at the same time to ensure a proper function matching
37 96862 return {/*const*/ false, /*signed*/ false, /*unsigned*/ false};
38 2041 case TY_ENUM: // fall-through
39 case TY_ALIAS: // fall-through
40 case TY_IMPORT:
41 2041 return {/*const*/ true, /*signed*/ false, /*unsigned*/ true};
42 1307649 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 1307649 return {/*const*/ false, /*signed*/ false, /*unsigned*/ false};
47 − default: // GCOV_EXCL_LINE
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 24513 TypeQualifiers TypeQualifiers::merge(const TypeQualifiers &other) const {
59 24513 TypeQualifiers result;
60
6/8
✓ Branch 2 → 3 taken 24513 times.
✗ Branch 2 → 23 not taken.
✓ Branch 3 → 4 taken 22678 times.
✓ Branch 3 → 7 taken 1835 times.
✓ Branch 4 → 5 taken 22678 times.
✗ Branch 4 → 23 not taken.
✓ Branch 5 → 6 taken 20795 times.
✓ Branch 5 → 7 taken 1883 times.
 24513 const bool isGeneric = !getBit(BIT_INDEX_SIGNED) && !getBit(BIT_INDEX_UNSIGNED);
61
2/2
✓ Branch 20 → 9 taken 171591 times.
✓ Branch 20 → 21 taken 24513 times.
 196104 for (uint8_t i = 0; i <= BIT_INDEX_MAX; i++) {
62
1/2
✓ Branch 9 → 10 taken 171591 times.
✗ Branch 9 → 23 not taken.
 171591 const bool x = getBit(i);
63
1/2
✓ Branch 10 → 11 taken 171591 times.
✗ Branch 10 → 23 not taken.
 171591 const bool y = other.getBit(i);
64
65
4/4
✓ Branch 11 → 12 taken 147078 times.
✓ Branch 11 → 13 taken 24513 times.
✓ Branch 12 → 13 taken 24513 times.
✓ Branch 12 → 18 taken 122565 times.
 171591 if (i == BIT_INDEX_SIGNED || i == BIT_INDEX_UNSIGNED) {
66
3/4
✓ Branch 13 → 14 taken 41590 times.
✓ Branch 13 → 15 taken 7436 times.
✓ Branch 16 → 17 taken 49026 times.
✗ Branch 16 → 23 not taken.
 49026 result.setBit(i, isGeneric ? y : x);
67 } else {
68
1/2
✓ Branch 18 → 19 taken 122565 times.
✗ Branch 18 → 23 not taken.
 122565 result.setBit(i, x | y);
69 }
70 }
71 24513 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 14845 bool TypeQualifiers::match(TypeQualifiers other, bool allowConstify) const {
82 14845 const TypeQualifiers thisQualifiers = *this;
83
84 // If allowConstify is enabled, only allow to match lhs=const and rhs=non-const
85
4/4
✓ Branch 2 → 3 taken 14840 times.
✓ Branch 2 → 5 taken 5 times.
✓ Branch 3 → 4 taken 1677 times.
✓ Branch 3 → 5 taken 13163 times.
 14845 if (allowConstify && thisQualifiers.isConst)
86 1677 other.isConst = true;
87
88 // Check if qualifiers are equal
89 14845 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 7008 void TypeQualifiers::eraseWithMask(const TypeQualifiers &mask) {
98 // Zero out all bits that are set in the mask
99
2/2
✓ Branch 11 → 3 taken 49056 times.
✓ Branch 11 → 12 taken 7008 times.
 56064 for (uint8_t i = 0; i <= BIT_INDEX_MAX; i++) {
100
2/2
✓ Branch 4 → 5 taken 8807 times.
✓ Branch 4 → 10 taken 40249 times.
 49056 if (mask.getBit(i)) {
101 // Zero out the bit
102 8807 setBit(i, false);
103
104 // If we set the signed/unsigned bit to zero, we need to set the other to one
105
2/2
✓ Branch 6 → 7 taken 2877 times.
✓ Branch 6 → 8 taken 5930 times.
 8807 if (i == BIT_INDEX_SIGNED) {
106 2877 setBit(BIT_INDEX_UNSIGNED, true);
107
2/2
✓ Branch 8 → 9 taken 2725 times.
✓ Branch 8 → 10 taken 3205 times.
 5930 } else if (i == BIT_INDEX_UNSIGNED) {
108 2725 setBit(BIT_INDEX_SIGNED, true);
109 }
110 }
111 }
112 7008 }
113
114 14998 bool operator==(const TypeQualifiers &lhs, const TypeQualifiers &rhs) {
115 14998 const bool isConst = lhs.isConst == rhs.isConst;
116 14998 const bool isSigned = lhs.isSigned == rhs.isSigned;
117 14998 const bool isUnsigned = lhs.isUnsigned == rhs.isUnsigned;
118 14998 const bool isHeap = lhs.isHeap == rhs.isHeap;
119
6/8
✓ Branch 2 → 3 taken 14971 times.
✓ Branch 2 → 7 taken 27 times.
✓ Branch 3 → 4 taken 14971 times.
✗ Branch 3 → 7 not taken.
✓ Branch 4 → 5 taken 14971 times.
✗ Branch 4 → 7 not taken.
✓ Branch 5 → 6 taken 14819 times.
✓ Branch 5 → 7 taken 152 times.
 14998 return isConst && isSigned && isUnsigned && isHeap;
120 }
121
122 439429 bool TypeQualifiers::getBit(uint8_t index) const {
123
7/8
✓ Branch 2 → 3 taken 56034 times.
✓ Branch 2 → 4 taken 80547 times.
✓ Branch 2 → 5 taken 78712 times.
✓ Branch 2 → 6 taken 56034 times.
✓ Branch 2 → 7 taken 56034 times.
✓ Branch 2 → 8 taken 56034 times.
✓ Branch 2 → 9 taken 56034 times.
✗ Branch 2 → 10 not taken.
 439429 switch (index) {
124 56034 case BIT_INDEX_CONST:
125 56034 return isConst;
126 80547 case BIT_INDEX_SIGNED:
127 80547 return isSigned;
128 78712 case BIT_INDEX_UNSIGNED:
129 78712 return isUnsigned;
130 56034 case BIT_INDEX_HEAP:
131 56034 return isHeap;
132 56034 case BIT_INDEX_PUBLIC:
133 56034 return isPublic;
134 56034 case BIT_INDEX_INLINE:
135 56034 return isInline;
136 56034 case BIT_INDEX_COMPOSITION:
137 56034 return isComposition;
138 − default: // GCOV_EXCL_LINE
139 − throw CompilerError(UNHANDLED_BRANCH, "Bit index fallthrough"); // GCOV_EXCL_LINE
140 }
141 }
142
143 186000 bool TypeQualifiers::setBit(uint8_t index, bool value) {
144
7/8
✓ Branch 2 → 3 taken 26211 times.
✓ Branch 2 → 4 taken 30115 times.
✓ Branch 2 → 5 taken 30115 times.
✓ Branch 2 → 6 taken 24647 times.
✓ Branch 2 → 7 taken 25886 times.
✓ Branch 2 → 8 taken 24513 times.
✓ Branch 2 → 9 taken 24513 times.
✗ Branch 2 → 10 not taken.
 186000 switch (index) {
145 26211 case BIT_INDEX_CONST:
146 26211 return isConst = value;
147 30115 case BIT_INDEX_SIGNED:
148 30115 return isSigned = value;
149 30115 case BIT_INDEX_UNSIGNED:
150 30115 return isUnsigned = value;
151 24647 case BIT_INDEX_HEAP:
152 24647 return isHeap = value;
153 25886 case BIT_INDEX_PUBLIC:
154 25886 return isPublic = value;
155 24513 case BIT_INDEX_INLINE:
156 24513 return isInline = value;
157 24513 case BIT_INDEX_COMPOSITION:
158 24513 return isComposition = value;
159 − default: // GCOV_EXCL_LINE
160 − throw CompilerError(UNHANDLED_BRANCH, "Bit index fallthrough"); // GCOV_EXCL_LINE
161 }
162 }
163
164 } // namespace spice::compiler
165