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Assignment 1 correct

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This commit is contained in:
黑墨水鱼
2021-05-06 11:24:46 +08:00
parent f950253b7b
commit 48be5fec51
3 changed files with 89 additions and 12 deletions
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18
assignment1/problem3/uncompress.c
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@@ -218,7 +218,7 @@ void ASTCompileTree(ASTTree *tree, FILE *file) {
ASTCompileNode(tree->root, file);
/* new line at the end */
fputc('\n', file);
//fputc('\n', file);
}
void ASTCompileNode(ASTNode *root, FILE *file) {
@@ -299,7 +299,10 @@ char ASTScanAll(ASTTree *tree, ASTScanner *scanner) {
return 0;
}
void Uncompress(char *string, FILE *file) {
char* Uncompress(char *string) {
char *result = (char *)calloc(10000, sizeof(char));
char *ret = (char *)calloc(10000, sizeof(char));
FILE *file = fmemopen(result, 10000, "w");
char err;
/* create scanner and AST tree */
@@ -325,6 +328,17 @@ void Uncompress(char *string, FILE *file) {
/* free memory */
DestroyASTTree(tree);
DestroyASTScanner(scanner);
fclose(file);
file = fmemopen(result, strlen(result), "r");
char ch;
int i=0;
while((ch = fgetc(file)) != EOF) {
ret[i++] = ch;
}
ret[i] = 0;
return result;
}
void DestroyASTScanner(ASTScanner *scanner) { free(scanner); }