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Implemented parser.

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This commit is contained in:
Sam Stevens
2018-06-09 16:39:20 +01:00
parent cb262733ed
commit 9e60b793c6
9 changed files with 935 additions and 149 deletions
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19
src/SQL.c
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@@ -20,17 +20,18 @@ void free_value(Value *value) {
}
Comparison *new_comparison() {
Comparison* comparison = malloc(sizeof(Comparison));
Comparison *comparison = malloc(sizeof(Comparison));
comparison->identifier = NULL;
comparison->value = NULL;
comparison->comp = COMP_NONE;
return comparison;
}
void free_comparison(Comparison *comparison) {
if (comparison->value != NULL) {
free(comparison->value);
}
if(comparison->identifier != NULL) {
if (comparison->identifier != NULL) {
free(comparison->identifier);
}
free(comparison);
@@ -42,9 +43,10 @@ ComparisonGroup *new_comparision_group() {
group->length = 0;
return group;
}
void free_comparison_group(ComparisonGroup* group) {
void free_comparison_group(ComparisonGroup *group) {
if (group->length > 0) {
for(size_t i=0; i<group->length; i++) {
for (size_t i = 0; i < group->length; i++) {
free(group->comparisons[i]);
}
free(group->comparisons);
@@ -52,9 +54,10 @@ void free_comparison_group(ComparisonGroup* group) {
}
free(group);
}
void append_comparison_group(ComparisonGroup *group, Comparison *comparison) {
group->length++;
group->comparisons = realloc(group->comparisons, sizeof(Assignment) * group->length);
group->comparisons = realloc(group->comparisons, sizeof(Assignment *) * group->length);
group->comparisons[group->length - 1] = comparison;
}
@@ -94,7 +97,7 @@ void free_assignment_list(AssignmentList *assignmentList) {
void append_assignment_list(AssignmentList *list, Assignment *assignment) {
list->length++;
list->assignments = realloc(list->assignments, sizeof(Assignment) * list->length);
list->assignments = realloc(list->assignments, sizeof(Assignment *) * list->length);
list->assignments[list->length - 1] = assignment;
}
@@ -160,7 +163,7 @@ void free_column_spec_list(ColumnSpecList *list) {
void append_column_spec_list(ColumnSpecList *list, ColumnSpec *spec) {
list->length++;
list->columns = realloc(list->columns, sizeof(ColumnSpec) * list->length);
list->columns = realloc(list->columns, sizeof(ColumnSpec *) * list->length);
list->columns[list->length - 1] = spec;
}
@@ -325,6 +328,6 @@ void free_statement_list(StatementList *list) {
void append_statement_list(StatementList *list, Statement *statement) {
list->length++;
list->statements = realloc(list->statements, sizeof(Statement) * list->length);
list->statements = realloc(list->statements, sizeof(Statement *) * list->length);
list->statements[list->length - 1] = statement;
}