token.c

#include "compiler.h"

#define PRIMITIVE_TYPES_TOTAL 7
const char *primitive_types[PRIMITIVE_TYPES_TOTAL] = {
	"void", "char", "short", "int", "long", "float", "double"
};

bool token_is_identifier(struct token *token) {
  return token && token->type == TOKEN_TYPE_IDENTIFIER;
}

bool token_is_symbol(struct token *token, char c) {
  return token->type == TOKEN_TYPE_SYMBOL && token->cval == c;
}

bool token_is_operator(struct token *token, const char *val) {
  return token && token->type == TOKEN_TYPE_OPERATOR && S_EQ(token->sval, val);
}

bool token_is_nl_or_comment_or_newline_seperator(struct token *token) {
  if (!token)
	return false;

  return token->type == TOKEN_TYPE_NEWLINE || token->type == TOKEN_TYPE_COMMENT
	  || token_is_symbol(token, '\\');
}

bool token_is_keyword(struct token *token, const char *value) {
  return token && token->type == TOKEN_TYPE_KEYWORD && S_EQ(token->sval, value);
}

bool token_is_primitive_keyword(struct token *token) {
  if (!token) {
	return false;
  }

  if (token->type != TOKEN_TYPE_KEYWORD) {
	return false;
  }

  for (int i = 0; i < PRIMITIVE_TYPES_TOTAL; i++) {
	if (S_EQ(primitive_types[i], token->sval)) {
	  return true;
	}
  }
  return false;
}