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authorKai Stevenson <kai@kaistevenson.com>2023-02-16 14:32:56 -0800
committerKai Stevenson <kai@kaistevenson.com>2023-02-16 14:32:56 -0800
commit05540fc6038f452f5dc5f18412c918c33ad96027 (patch)
treebb9f572a1cc6f3a66cbf9835593f62db87481e0a /parse.c
parent10a1f7e4ad1bc90436f58269a52cddfd0587be33 (diff)
changed project structure
Diffstat (limited to 'parse.c')
-rw-r--r--parse.c143
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);
- }
-}