diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/include/tree.h | 14 | ||||
-rw-r--r-- | src/main.c | 4 | ||||
-rw-r--r-- | src/tree.c | 72 |
3 files changed, 64 insertions, 26 deletions
diff --git a/src/include/tree.h b/src/include/tree.h index ba1f5a5..3d3bcbd 100644 --- a/src/include/tree.h +++ b/src/include/tree.h @@ -51,32 +51,32 @@ typedef struct TREE { /* Tags. */ struct TREE_DATA_TAG { char* val; - struct TREE_DATA_TAG* nxt; + struct TREE* nxt; /* TAG* */ } tag; /* Definition arguments. */ struct TREE_DATA_DARG { - struct TREE_DATA_TAG* tag; - struct TREE_DATA_DARG* nxt; + struct TREE* tag; /* TAG* */ + struct TREE* nxt; /* DARG */ } darg; /* Call arguments. */ struct TREE_DATA_CARG { struct TREE* val; - struct TREE_DATA_CARG* nxt; + struct TREE* nxt; /* CARG */ } carg; /* Definitions. */ struct TREE_DATA_DEF { - struct TREE_DATA_TAG* tag; - struct TREE_DATA_DARG* arg; + struct TREE* tag; /* TAG */ + struct TREE* arg; /* DARG */ struct TREE* val; } def; /* Calls. */ struct TREE_DATA_CAL { char* target; - struct TREE_DATA_CARG* arg; + struct TREE* arg; /* CARG */ } cal; } data; @@ -52,11 +52,9 @@ int main(int argc, char* argv[]) { tree_print(parser->tree, 0); /* Clean up parser stuff. */ + token_destroy(lexer->tokenl); tree_destroy(parser->tree); parser_destroy(parser); - - /* clean up lexer stuff */ - if (lexer->tokenl) { token_destroy(lexer->tokenl); } /* temp until parser eats tokens */ lexer_destroy(lexer); free(src); @@ -3,7 +3,7 @@ tree_t* tree_init(int type) { tree_t* tree; - tree = emalloc(sizeof(struct TREE)); + tree = emalloc(sizeof(tree_t)); tree->type = type; @@ -48,6 +48,44 @@ tree_t* tree_init(int type) { } void tree_destroy(tree_t* tree) { + if (!tree) { return; } + + switch (tree->type) { + case TREE_TYPE_BLOCK: + tree_destroy(tree->data.block.val); + tree_destroy(tree->data.block.nxt); + break; + case TREE_TYPE_EXPR: + tree_destroy(tree->data.expr.val); + break; + case TREE_TYPE_LINT: + break; + case TREE_TYPE_LSTR: + free(tree->data.lstr.val); + break; + case TREE_TYPE_TAG: + free(tree->data.tag.val); + tree_destroy(tree->data.tag.nxt); + break; + case TREE_TYPE_DARG: + free(tree->data.darg.tag); + tree_destroy(tree->data.darg.nxt); + break; + case TREE_TYPE_CARG: + free(tree->data.carg.val); + tree_destroy(tree->data.carg.nxt); + break; + case TREE_TYPE_DEF: + free(tree->data.def.tag); + free(tree->data.def.arg); + tree_destroy(tree->data.def.val); + break; + case TREE_TYPE_CAL: + free(tree->data.cal.target); + tree_destroy(tree->data.cal.arg); + break; + } + free(tree); } @@ -55,42 +93,44 @@ void tree_print(tree_t* tree, int nest) { char* spaces; int i; - for (spaces = ecalloc(nest + 1, sizeof(char)), i = 0; i < nest; spaces[i++] = ' '); - spaces[i] = '\0'; + /* Aaahhh. */ + for(i=0,spaces=ecalloc(nest+1,sizeof(char)),spaces[nest]='\0';i<=nest-1;spaces[i++]=' '); -#define NEST(TEXT) log_raw("%s" TEXT "\n", spaces); + #define NEST(TEXT) log_raw("%s"TEXT"\n",spaces); + #define NEST2(TEXT) log_raw("%s"TEXT,spaces); if (!tree) { NEST("NULL"); - return; + goto tree_print_exit; } switch (tree->type) { case TREE_TYPE_BLOCK: NEST("[block]"); - NEST(" - val:"); - tree_print(tree->data.block.val, nest + 3); - NEST(" - nxt:"); - tree_print(tree->data.block.nxt, nest + 3); + NEST("val:"); + tree_print(tree->data.block.val, nest + 1); + NEST("nxt:"); + tree_print(tree->data.block.nxt, nest + 1); break; case TREE_TYPE_EXPR: NEST("[expression]"); - NEST(" - val:"); - tree_print(tree->data.expr.val, nest + 3); - break; + NEST("val:"); + tree_print(tree->data.expr.val, nest + 1); + break; case TREE_TYPE_LINT: - log_raw("%s[lint]: %d\n", spaces, tree->data.lint.val); + NEST("[lint]"); + NEST("val:"); + log_raw("%s %d\n", spaces, tree->data.lint.val); break; case TREE_TYPE_LSTR: - log_raw("%s[lstr]: %s\n", spaces, tree->data.lstr.val); - break; case TREE_TYPE_TAG: case TREE_TYPE_DARG: case TREE_TYPE_CARG: case TREE_TYPE_DEF: case TREE_TYPE_CAL: - NEST("??"); + NEST("???"); break; } + tree_print_exit: free(spaces); return; } |