diff options
| author | Kai Stevenson <kai@kaistevenson.com> | 2023-02-16 14:32:56 -0800 |
|---|---|---|
| committer | Kai Stevenson <kai@kaistevenson.com> | 2023-02-16 14:32:56 -0800 |
| commit | 05540fc6038f452f5dc5f18412c918c33ad96027 (patch) | |
| tree | bb9f572a1cc6f3a66cbf9835593f62db87481e0a /parse.c | |
| parent | 10a1f7e4ad1bc90436f58269a52cddfd0587be33 (diff) | |
changed project structure
Diffstat (limited to 'parse.c')
| -rw-r--r-- | parse.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/parse.c b/parse.c deleted file mode 100644 index 27ee417..0000000 --- a/parse.c +++ /dev/null @@ -1,143 +0,0 @@ -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <stdio.h> -#include "parse.h" -#include "hashtable.h" - -int symtoi(sym_t* symbol) { - return *((int*)symbol->name); -} -float symtof(sym_t* symbol) { - return *((float*)symbol->name); -} -char* symtos(sym_t* symbol) { - return (char*)symbol->name; -} - -void symbol_add_arg(sym_t* symbol, sym_t* arg) { - symbol->argCount += 1; - if (symbol->argCount == 1) { - symbol->args = malloc(sizeof(sym_t*)); - } - else { - symbol->args = realloc(symbol->args, symbol->argCount * (sizeof(sym_t*))); - } - (symbol->args)[symbol->argCount - 1] = arg; -} -void symset_add_symbol(symset_t* symbolSet, sym_t* symbol) { - symbolSet->count += 1; - if (symbolSet->count == 1) { - symbolSet->symbols = malloc(sizeof(sym_t*)); - } - else { - symbolSet->symbols = realloc(symbolSet->symbols, symbolSet->count * (sizeof(sym_t*))); - } - (symbolSet->symbols)[symbolSet->count - 1] = symbol; -} -symset_t* parse_symbols(char** str) { - symset_t* symbolSet = malloc(sizeof(symset_t)); - symbolSet->count = 0; - while (1) { - /* clear whitespace */ - while (!isalnum(**str) && **str != '(' && **str != ')' && **str != '\0') { - (*str)++; - } - if (**str == ')') { - (*str)++; - return symbolSet; - } - else if (**str == '\0') { - return symbolSet; - } - char* symbolName = calloc(30, sizeof(char)); - int i = 0; - while (1) { - symbolName[i] = **str; - if (**str == ',' || **str == ';') { - (*str)++; - sym_t* symbol = malloc(sizeof(sym_t)); - symbol->province = LITERAL; - symbol->argCount = 0; - symbolName[i] = '\0'; - /* TODO: float */ - /* string */ - if (isalpha(symbolName[0])) { - //symbolName = realloc(symbolName, i * sizeof(char)); - symbol->name = symbolName; - symbol->litType = STRING; - } - /* int */ - else { - int v = atoi(symbolName); - int* vp = malloc(sizeof(int)); - *vp = v; - symbol->name = (void*)vp; - free(symbolName); - symbol->litType = INT; - } - symset_add_symbol(symbolSet, symbol); - break; - } - else if (**str == '(') { - (*str)++; - symbolName[i] = '\0'; - sym_t* symbol = malloc(sizeof(sym_t)); - symbol->province = KEY_REF; - symbol->argCount = 0; - if (i > 1) { - symbol->name = symbolName; - } - else { - symbol->name = "root"; - } - symset_t* symbols = parse_symbols(str); - for (int s = 0; s < symbols->count; s++) { - symbol_add_arg(symbol, symbols->symbols[s]); - } - symset_add_symbol(symbolSet, symbol); - break; - } - i++; - (*str)++; - } - } -} -sym_t* parse_symbol_final(char* str) { - char** strp = malloc(sizeof(char**)); - *strp = str; - symset_t* finalSymset = parse_symbols(strp); - sym_t* root = malloc(sizeof(sym_t)); - root->name = "root"; - root->province = KEY_REF; - root->argCount = 0; - for (int s = 0; s < finalSymset->count; s++) { - symbol_add_arg(root, finalSymset->symbols[s]); - } - return root; -} -void write_symbol_visual(sym_t* symbol, int offset) { - for (int o = 0; o < offset; o++) { - printf(" "); - } - if (symbol->province == KEY_REF) { - printf("%s (%s)\n", (char*)(symbol->name), "KEY"); - } - else if (symbol->province == LITERAL) { - if (symbol->litType == INT) { - printf("%d (%s)\n", *(int*)(symbol->name), "LITERAL"); - } - else if (symbol->litType == FLOAT) { - printf("%f (%s)\n", *(float*)(symbol->name), "LITERAL"); - } - else if (symbol->litType == STRING) { - printf("%s (%s)\n", (char*)(symbol->name), "LITERAL"); - } - } - else { - printf("symbol parse error\n"); - } - for (int i = 0; i < symbol->argCount; i++) { - write_symbol_visual(symbol->args[i], offset + 4); - } -} |
