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Add typedefs
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+58
-54
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‎class.c‎

Lines changed: 58 additions & 54 deletions
Original file line numberDiff line numberDiff line change
@@ -21,43 +21,47 @@
2121
#include <stdio.h>
2222
#include <math.h>
2323

24-
u1 u1of(unsigned char first) {
24+
typedef unsigned char ubyte;
25+
typedef unsigned short ushort;
26+
typedef unsigned int uint;
27+
28+
u1 u1of(ubyte first) {
2529
u1 u = { first };
2630

2731
return u;
2832
}
2933

30-
u2 u2of(unsigned char first, unsigned char second) {
34+
u2 u2of(ubyte first, ubyte second) {
3135
u2 u = { u1of(first), u1of(second) };
3236

3337
return u;
3438
}
3539

36-
u4 u4of(unsigned char first, unsigned char second, unsigned char third, unsigned char fourth) {
40+
u4 u4of(ubyte first, ubyte second, ubyte third, ubyte fourth) {
3741
u4 u = { u2of(first, second), u2of(third, fourth) };
3842

3943
return u;
4044
}
4145

42-
unsigned char byteOf(u1 u) {
46+
ubyte byteOf(u1 u) {
4347
return u.byte;
4448
}
4549

46-
unsigned short shortOf(u2 u) {
50+
ushort shortOf(u2 u) {
4751
return (u.second.byte << 8) | u.first.byte;
4852
}
4953

50-
unsigned int intOf(u4 u) {
54+
uint intOf(u4 u) {
5155
return (u.second.second.byte << 24) + (u.second.first.byte << 16) + (u.first.second.byte << 8) + (u.first.first.byte << 0);
5256
}
5357

54-
Bytes bytesOf(const char* content, unsigned int size) {
55-
Bytes bytes = { (unsigned char*) content, size, 0 };
58+
Bytes bytesOf(const char* content, uint size) {
59+
Bytes bytes = { (ubyte*) content, size, 0 };
5660

5761
return bytes;
5862
}
5963

60-
unsigned char readByte(Bytes* bytes) {
64+
ubyte readByte(Bytes* bytes) {
6165
return bytes->actual[bytes->ptr++];
6266
}
6367

@@ -73,7 +77,7 @@ u4 readu4(Bytes* bytes) {
7377
return u4of(readByte(bytes), readByte(bytes), readByte(bytes), readByte(bytes));
7478
}
7579

76-
u1* readu1array_(unsigned int len, Bytes* bytes) {
80+
u1* readu1array_(uint len, Bytes* bytes) {
7781
u1* r = (u1*) malloc(len * sizeof(u1));
7882

7983
for (int i = 0; i < len; i++) {
@@ -84,7 +88,7 @@ u1* readu1array_(unsigned int len, Bytes* bytes) {
8488
}
8589

8690
u1* readu1array(u2 len, Bytes* bytes) {
87-
unsigned short actualLen = shortOf(len);
91+
ushort actualLen = shortOf(len);
8892
u1* r = (u1*) malloc(actualLen * sizeof(u1));
8993

9094
for (int i = 0; i < actualLen; i++) {
@@ -95,7 +99,7 @@ u1* readu1array(u2 len, Bytes* bytes) {
9599
}
96100

97101
u2* readu2array(u2 len, Bytes* bytes) {
98-
unsigned short actualLen = shortOf(len);
102+
ushort actualLen = shortOf(len);
99103
u2* r = (u2*) malloc(actualLen * sizeof(u2));
100104

101105
for (int i = 0; i < actualLen; i++) {
@@ -107,7 +111,7 @@ u2* readu2array(u2 len, Bytes* bytes) {
107111

108112
cp_info* readConstantPoolItem(Bytes* bytes) {
109113
u1 tag = readu1(bytes);
110-
unsigned char actual = byteOf(tag);
114+
ubyte actual = byteOf(tag);
111115
cp_info* r;
112116

113117
switch (actual) {
@@ -273,7 +277,7 @@ cp_info** readConstantPool(u2 count, Bytes* bytes) {
273277
return (cp_info**) malloc(0 * sizeof(cp_info*));
274278
}
275279

276-
unsigned short len = shortOf(count) - 1;
280+
ushort len = shortOf(count) - 1;
277281

278282
cp_info** r = (cp_info**) malloc(shortOf(count) * sizeof(cp_info*));
279283

@@ -287,7 +291,7 @@ cp_info** readConstantPool(u2 count, Bytes* bytes) {
287291
}
288292

289293
String readUTFString(CONSTANT_Utf8_info from) {
290-
unsigned short len = shortOf(from.length);
294+
ushort len = shortOf(from.length);
291295
char* content = (char*) malloc((len + 1) * sizeof(char));
292296

293297
for (int i = 0; i < len; i++) {
@@ -300,7 +304,7 @@ String readUTFString(CONSTANT_Utf8_info from) {
300304
}
301305

302306
char* readUTF(CONSTANT_Utf8_info from) {
303-
unsigned short len = shortOf(from.length);
307+
ushort len = shortOf(from.length);
304308
char* content = (char*) malloc((len + 1) * sizeof(char));
305309

306310
for (int i = 0; i < len; i++) {
@@ -550,7 +554,7 @@ attribute_info* readAttribute(cp_info** constant_pool, Bytes* bytes) {
550554

551555
for (int i = 0; i < shortOf(number_of_entries); i++) {
552556
u1 frame_type = readu1(bytes);
553-
unsigned short byte_frame = byteOf(frame_type);
557+
ushort byte_frame = byteOf(frame_type);
554558
stack_map_frame* entry;
555559

556560
if (byte_frame <= 63) {
@@ -900,7 +904,7 @@ attribute_info* readAttribute(cp_info** constant_pool, Bytes* bytes) {
900904
}
901905

902906
attribute_info** readAttributes(cp_info** constant_pool, u2 count, Bytes* bytes) {
903-
unsigned short len = shortOf(count);
907+
ushort len = shortOf(count);
904908
attribute_info** r = (attribute_info**) malloc(len * sizeof(attribute_info*));
905909

906910
for (int i = 0; i < len; i++) {
@@ -922,7 +926,7 @@ field_info readField(cp_info** constant_pool, Bytes* bytes) {
922926
}
923927

924928
field_info* readFields(cp_info** constant_pool, u2 count, Bytes* bytes) {
925-
unsigned short len = shortOf(count);
929+
ushort len = shortOf(count);
926930
field_info* r = (field_info*) malloc(len * sizeof(field_info));
927931

928932
for (int i = 0; i < len; i++) {
@@ -944,7 +948,7 @@ method_info readMethod(cp_info** constant_pool, Bytes* bytes) {
944948
}
945949

946950
method_info* readMethods(cp_info** constant_pool, u2 count, Bytes* bytes) {
947-
unsigned short len = shortOf(count);
951+
ushort len = shortOf(count);
948952
method_info* r = (method_info*) malloc(len * sizeof(method_info));
949953

950954
for (int i = 0; i < len; i++) {
@@ -993,7 +997,7 @@ ClassFile readClassFile(Bytes bytes) {
993997
return classFile;
994998
}
995999

996-
String writeClassAccessFlags(unsigned short access_flags, boolean isClass) {
1000+
String writeClassAccessFlags(ushort access_flags, boolean isClass) {
9971001
String output = stringEmpty();
9981002

9991003
if ((access_flags & 0x0001) != 0) { // public
@@ -1046,7 +1050,7 @@ CONSTANT_Utf8_info UTF8(cp_info** constant_pool, u2 index) {
10461050
return *(CONSTANT_Utf8_info*) constant_pool[shortOf(index)];
10471051
}
10481052

1049-
String readJavaVersion(unsigned short majorVersion, unsigned short minorVersion) {
1053+
String readJavaVersion(ushort majorVersion, ushort minorVersion) {
10501054
String result = stringEmpty();
10511055

10521056
switch (majorVersion) {
@@ -1195,7 +1199,7 @@ Tuple readMethodDescriptor(String descriptor) {
11951199
return tupleOf(dynamicParameters, dynamicReturnType);
11961200
}
11971201

1198-
attribute_info* findAttribute(char* find, unsigned short size, attribute_info** attributes, cp_info** constant_pool) {
1202+
attribute_info* findAttribute(char* find, ushort size, attribute_info** attributes, cp_info** constant_pool) {
11991203
attribute_info* attribute = (attribute_info*) malloc(sizeof(attribute_info));
12001204

12011205
for (int i = 0; i < size; i++) {
@@ -1236,7 +1240,7 @@ String readByteCode(u1* code, int* ptr) {
12361240
return itos(byteOf(code[++*ptr]));
12371241
}
12381242

1239-
unsigned short readShortIn(u1* code, int* ptr) {
1243+
ushort readShortIn(u1* code, int* ptr) {
12401244
u1 first = code[++*ptr];
12411245
u1 second = code[++*ptr];
12421246

@@ -1282,7 +1286,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
12821286
for (int i = 0; i < intOf(code.code_length); i++) {
12831287
append(&result, stringOf("\t\t", 2));
12841288

1285-
unsigned char next = byteOf(code.code[i]);
1289+
ubyte next = byteOf(code.code[i]);
12861290
String typeInfo = stringEmpty();
12871291

12881292
switch (next) {
@@ -1736,7 +1740,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
17361740
case 0xba:
17371741
append(&result, stringOf("invokedynamic", 13));
17381742

1739-
unsigned short cnst = readShortIn(code.code, &i);
1743+
ushort cnst = readShortIn(code.code, &i);
17401744

17411745
append(&result, stringOf(" $", 2));
17421746
append(&result, itos(cnst));
@@ -1749,7 +1753,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
17491753
case 0xb9:
17501754
append(&result, stringOf("invokeinterface", 15));
17511755

1752-
unsigned short cnst_ = readShortIn(code.code, &i);
1756+
ushort cnst_ = readShortIn(code.code, &i);
17531757

17541758
append(&result, stringOf(" $", 2));
17551759
append(&result, itos(cnst_));
@@ -1764,7 +1768,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
17641768
case 0xb7:
17651769
append(&result, stringOf("invokespecial", 13));
17661770

1767-
unsigned short cnst__ = readShortIn(code.code, &i);
1771+
ushort cnst__ = readShortIn(code.code, &i);
17681772

17691773
append(&result, stringOf(" $", 2));
17701774
append(&result, itos(cnst__));
@@ -1775,7 +1779,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
17751779
case 0xb8:
17761780
append(&result, stringOf("invokestatic", 12));
17771781

1778-
unsigned short cnst___ = readShortIn(code.code, &i);
1782+
ushort cnst___ = readShortIn(code.code, &i);
17791783

17801784
append(&result, stringOf(" $", 2));
17811785
append(&result, itos(cnst___));
@@ -1786,7 +1790,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
17861790
case 0xb6:
17871791
append(&result, stringOf("invokevirtual", 13));
17881792

1789-
unsigned short cnst____ = readShortIn(code.code, &i);
1793+
ushort cnst____ = readShortIn(code.code, &i);
17901794

17911795
append(&result, stringOf(" $", 2));
17921796
append(&result, itos(cnst____));
@@ -1920,16 +1924,16 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
19201924

19211925
i += (i + 1) % 4; // 0-3 byte pad
19221926

1923-
unsigned char defaultByte1 = byteOf(code.code[++i]);
1924-
unsigned char defaultByte2 = byteOf(code.code[++i]);
1925-
unsigned char defaultByte3 = byteOf(code.code[++i]);
1926-
unsigned char defaultByte4 = byteOf(code.code[++i]);
1927+
ubyte defaultByte1 = byteOf(code.code[++i]);
1928+
ubyte defaultByte2 = byteOf(code.code[++i]);
1929+
ubyte defaultByte3 = byteOf(code.code[++i]);
1930+
ubyte defaultByte4 = byteOf(code.code[++i]);
19271931
int defaultByte = (defaultByte1 << 24) | (defaultByte2 << 16) | (defaultByte3 << 8) | defaultByte4;
19281932

1929-
unsigned char npairs1 = byteOf(code.code[++i]);
1930-
unsigned char npairs2 = byteOf(code.code[++i]);
1931-
unsigned char npairs3 = byteOf(code.code[++i]);
1932-
unsigned char npairs4 = byteOf(code.code[++i]);
1933+
ubyte npairs1 = byteOf(code.code[++i]);
1934+
ubyte npairs2 = byteOf(code.code[++i]);
1935+
ubyte npairs3 = byteOf(code.code[++i]);
1936+
ubyte npairs4 = byteOf(code.code[++i]);
19331937
int npairs = (npairs1 << 24) | (npairs2 << 16) | (npairs3 << 8) | npairs4;
19341938

19351939
append(&result, stringOf(" $", 2));
@@ -2001,7 +2005,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
20012005
append(&result, stringOf("new", 3));
20022006
append(&result, stringOf(" $", 2));
20032007

2004-
unsigned short cnst_____ = readShortIn(code.code, &i);
2008+
ushort cnst_____ = readShortIn(code.code, &i);
20052009

20062010
append(&result, itos(cnst_____));
20072011

@@ -2090,22 +2094,22 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
20902094

20912095
i += (i + 1) % 4; // 0-3 byte pad
20922096

2093-
unsigned char defaultByte1_ = byteOf(code.code[++i]);
2094-
unsigned char defaultByte2_ = byteOf(code.code[++i]);
2095-
unsigned char defaultByte3_ = byteOf(code.code[++i]);
2096-
unsigned char defaultByte4_ = byteOf(code.code[++i]);
2097+
ubyte defaultByte1_ = byteOf(code.code[++i]);
2098+
ubyte defaultByte2_ = byteOf(code.code[++i]);
2099+
ubyte defaultByte3_ = byteOf(code.code[++i]);
2100+
ubyte defaultByte4_ = byteOf(code.code[++i]);
20972101
int defaultByte_ = (defaultByte1_ << 24) | (defaultByte2_ << 16) | (defaultByte3_ << 8) | defaultByte4_;
20982102

2099-
unsigned char lowbyte1 = byteOf(code.code[++i]);
2100-
unsigned char lowbyte2 = byteOf(code.code[++i]);
2101-
unsigned char lowbyte3 = byteOf(code.code[++i]);
2102-
unsigned char lowbyte4 = byteOf(code.code[++i]);
2103+
ubyte lowbyte1 = byteOf(code.code[++i]);
2104+
ubyte lowbyte2 = byteOf(code.code[++i]);
2105+
ubyte lowbyte3 = byteOf(code.code[++i]);
2106+
ubyte lowbyte4 = byteOf(code.code[++i]);
21032107
int lowbyte = (lowbyte1 << 24) | (lowbyte2 << 16) | (lowbyte3 << 8) | lowbyte4;
21042108

2105-
unsigned char highbyte1 = byteOf(code.code[++i]);
2106-
unsigned char highbyte2 = byteOf(code.code[++i]);
2107-
unsigned char highbyte3 = byteOf(code.code[++i]);
2108-
unsigned char highbyte4 = byteOf(code.code[++i]);
2109+
ubyte highbyte1 = byteOf(code.code[++i]);
2110+
ubyte highbyte2 = byteOf(code.code[++i]);
2111+
ubyte highbyte3 = byteOf(code.code[++i]);
2112+
ubyte highbyte4 = byteOf(code.code[++i]);
21092113
int highbyte = (highbyte1 << 24) | (highbyte2 << 16) | (highbyte3 << 8) | highbyte4;
21102114

21112115
append(&result, stringOf(" $", 2));
@@ -2123,7 +2127,7 @@ String readCode(Code_attribute code, cp_info** constant_pool) {
21232127
case 0xc4:
21242128
append(&result, stringOf("wide", 4));
21252129

2126-
unsigned char opcode = byteOf(code.code[++i]);
2130+
ubyte opcode = byteOf(code.code[++i]);
21272131

21282132
append(&result, stringOf(" $", 2));
21292133
append(&result, itos(opcode));
@@ -2188,7 +2192,7 @@ char* writeClassFile(ClassFile class) {
21882192

21892193
append(&output, className);
21902194

2191-
unsigned short superClass = shortOf(class.super_class);
2195+
ushort superClass = shortOf(class.super_class);
21922196

21932197
if (superClass != 0) {
21942198
append(&output, stringOf(" extends ", 9));
@@ -2202,7 +2206,7 @@ char* writeClassFile(ClassFile class) {
22022206
append(&output, stringOf(superName, shortOf(super.length)));
22032207
}
22042208

2205-
unsigned short interfacesCount = shortOf(class.interfaces_count);
2209+
ushort interfacesCount = shortOf(class.interfaces_count);
22062210

22072211
if (interfacesCount != 0) {
22082212
append(&output, stringOf(" implements ", 12));

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