Reduced Memory usage by another 50%
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parent
7833cd5660
commit
eb8b3e4eb4
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@ -34,6 +34,7 @@ Brought back common recursion
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Reorged logic tree to reduce complexity
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Simplified expression
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Changed EOF detection logic to deal with unsigned bits
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Reduced Memory usage down from 50MB to 2MB
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** Fixed
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Correct bug in how \" is treated
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1
cc.c
1
cc.c
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@ -104,6 +104,7 @@ int main(int argc, char** argv)
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global_token = reverse_list(global_token);
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initialize_types();
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reset_hold_string();
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struct token_list* output_list = program(NULL);
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/* Output the program we have compiled */
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2
cc.h
2
cc.h
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@ -31,6 +31,7 @@
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void file_print(char* s, FILE* f);
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int match(char* a, char* b);
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char* copy_string(char* target, char* source);
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void reset_hold_string();
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struct type
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{
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@ -79,3 +80,4 @@ struct token_list* globals_list;
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/* Make our string collection more efficient */
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char* hold_string;
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int string_index;
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@ -32,7 +32,6 @@ int clearWhiteSpace(int c)
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return c;
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}
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int string_index;
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int consume_byte(int c)
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{
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hold_string[string_index] = c;
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54
cc_strings.c
54
cc_strings.c
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@ -127,34 +127,36 @@ int escape_lookup(char* c)
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char* collect_regular_string(char* string)
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{
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int j = 0;
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int i = 0;
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char* message = calloc(MAX_STRING, sizeof(char));
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string_index = 0;
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/* 34 == " */
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message[0] = 34;
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hold_string[0] = 34;
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while(string[j] != 0)
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{
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if((string[j] == '\\') & (string[j + 1] == 'x'))
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{
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message[i] = escape_lookup(string + j);
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hold_string[string_index] = escape_lookup(string + j);
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j = j + 4;
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}
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else if(string[j] == '\\')
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{
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message[i] = escape_lookup(string + j);
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hold_string[string_index] = escape_lookup(string + j);
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j = j + 2;
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}
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else
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{
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message[i] = string[j];
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hold_string[string_index] = string[j];
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j = j + 1;
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}
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i = i + 1;
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string_index = string_index + 1;
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}
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message[i] = 34;
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message[i + 1] = LF;
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char* message = calloc(string_index + 3, sizeof(char));
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copy_string(message, hold_string);
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reset_hold_string();
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message[string_index] = 34;
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message[string_index + 1] = LF;
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return message;
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}
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@ -162,45 +164,47 @@ char* collect_regular_string(char* string)
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char* collect_weird_string(char* string)
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{
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int j = 1;
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int k = 1;
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string_index = 1;
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int temp;
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char* table = "0123456789ABCDEF";
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char* hold = calloc(MAX_STRING, sizeof(char));
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/* 39 == ' */
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hold[0] = 39;
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hold_string[0] = 39;
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while(string[j] != 0)
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{
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hold[k] = ' ';
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hold_string[string_index] = ' ';
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if((string[j] == '\\') & (string[j + 1] == 'x'))
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{
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hold[k + 1] = upcase(string[j + 2]);
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hold[k + 2] = upcase(string[j + 3]);
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hold_string[string_index + 1] = upcase(string[j + 2]);
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hold_string[string_index + 2] = upcase(string[j + 3]);
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j = j + 4;
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}
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else if(string[j] == '\\')
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{
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temp = escape_lookup(string + j);
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hold[k + 1] = table[(temp >> 4)];
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hold[k + 2] = table[(temp & 15)];
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hold_string[string_index + 1] = table[(temp >> 4)];
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hold_string[string_index + 2] = table[(temp & 15)];
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j = j + 2;
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}
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else
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{
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hold[k + 1] = table[(string[j] >> 4)];
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hold[k + 2] = table[(string[j] & 15)];
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hold_string[string_index + 1] = table[(string[j] >> 4)];
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hold_string[string_index + 2] = table[(string[j] & 15)];
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j = j + 1;
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}
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k = k + 3;
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string_index = string_index + 3;
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}
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hold[k] = ' ';
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hold[k + 1] = '0';
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hold[k + 2] = '0';
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hold[k + 3] = 39;
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hold[k + 4] = LF;
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char* hold = calloc(string_index + 6, sizeof(char));
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copy_string(hold, hold_string);
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reset_hold_string();
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hold[string_index] = ' ';
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hold[string_index + 1] = '0';
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hold[string_index + 2] = '0';
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hold[string_index + 3] = 39;
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hold[string_index + 4] = LF;
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return hold;
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}
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@ -9,7 +9,7 @@ b45fae655b7f848b28ebdb8eb2e30ae789fbcf7920bc315395d53986bb1adae4 test/results/t
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d511db73158a9544a5b5f828a79751e3de8a04b81c143fd0c146fc22c938aa9f test/results/test08-binary
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6831ba0c4e01cea5fb524d811e75542875512fb417baa03d2515278d5b0ee6a5 test/results/test09-binary
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ef179cd359ba1d61d45089e314cd4ac2069c8dc4dd7494d7c766344ea3c8cf88 test/results/test10-binary
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c512c1c2bbe3e6fa5e727f41be286f95a0906d8d9c05165f70c0046918150c2b test/results/test100-binary
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c526b47458dd06a47fee8d83533d71f48c51867b1c358e43f69da970f7d06338 test/results/test100-binary
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5aaf399fe706d4a8c85c121c75ada29a65c293b57c98e8999961a2ef0bab0d62 test/results/test11-binary
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4f8111e73e07255ae203963438c82ea8bcff7474e1594b52b426c58a03cb30eb test/results/test12-binary
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dd74dabfdce8657ff440c1eef531cbf67a64854f2020d4d6bcb65c9cc2d199cb test/results/test13-binary
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@ -1 +1 @@
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9fb571e4b35e0a169a2a4730a714f17b1695d93775c26763337b804607fe5193 test/test100/proof
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5f65ea0157c4526f8d6f5887a045c6fcbb809787feb45ee3317699de3e480012 test/test100/proof
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