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-rw-r--r--engines/sci/engine/game.cpp6
-rw-r--r--engines/sci/engine/grammar.cpp27
-rw-r--r--engines/sci/engine/kstring.cpp2
-rw-r--r--engines/sci/engine/savegame.cpp3
-rw-r--r--engines/sci/engine/scriptdebug.cpp24
-rw-r--r--engines/sci/engine/state.cpp2
-rw-r--r--engines/sci/engine/state.h3
-rw-r--r--engines/sci/scicore/vocabulary.cpp38
-rw-r--r--engines/sci/scicore/vocabulary.h30
9 files changed, 57 insertions, 78 deletions
diff --git a/engines/sci/engine/game.cpp b/engines/sci/engine/game.cpp
index a955b0058b..b19db3475f 100644
--- a/engines/sci/engine/game.cpp
+++ b/engines/sci/engine/game.cpp
@@ -45,9 +45,9 @@ static int _init_vocabulary(EngineState *s) { // initialize vocabulary and relat
if ((s->resmgr->_sciVersion < SCI_VERSION_01_VGA) && vocab_get_words(s->resmgr, s->_parserWords)) {
vocab_get_suffixes(s->resmgr, s->_parserSuffixes);
- if ((s->parser_branches = vocab_get_branches(s->resmgr, &(s->parser_branches_nr))))
+ if (vocab_get_branches(s->resmgr, s->_parserBranches))
// Now build a GNF grammar out of this
- s->parser_rules = vocab_build_gnf(s->parser_branches, s->parser_branches_nr);
+ s->parser_rules = vocab_build_gnf(s->_parserBranches);
} else {
sciprintf("Assuming that this game does not use a parser.\n");
s->parser_rules = NULL;
@@ -530,7 +530,7 @@ void script_free_engine(EngineState *s) {
s->_parserWords.clear();
vocab_free_suffixes(s->resmgr, s->_parserSuffixes);
- vocab_free_branches(s->parser_branches);
+ s->_parserBranches.clear();
vocab_free_rule_list(s->parser_rules);
s->_selectorNames.clear();
diff --git a/engines/sci/engine/grammar.cpp b/engines/sci/engine/grammar.cpp
index 1d4e800765..0d07169449 100644
--- a/engines/sci/engine/grammar.cpp
+++ b/engines/sci/engine/grammar.cpp
@@ -144,7 +144,7 @@ static parse_rule_t *_vinsert(parse_rule_t *turkey, parse_rule_t *stuffing) {
return rule;
}
-static parse_rule_t *_vbuild_rule(parse_tree_branch_t *branch) {
+static parse_rule_t *_vbuild_rule(const parse_tree_branch_t *branch) {
parse_rule_t *rule;
int tokens = 0, tokenpos = 0, i;
@@ -344,16 +344,15 @@ static parse_rule_list_t *_vocab_clone_rule_list_by_id(parse_rule_list_t *list,
return result;
}
-parse_rule_list_t *_vocab_build_gnf(parse_tree_branch_t *branches, int branches_nr, int verbose) {
- int i;
+parse_rule_list_t *_vocab_build_gnf(const Common::Array<parse_tree_branch_t> &branches, int verbose) {
int iterations = 0;
int last_termrules, termrules = 0;
int ntrules_nr;
parse_rule_list_t *ntlist = NULL;
parse_rule_list_t *tlist, *new_tlist;
- for (i = 1; i < branches_nr; i++) { // branch rule 0 is treated specially
- parse_rule_t *rule = _vbuild_rule(branches + i);
+ for (uint i = 1; i < branches.size(); i++) { // branch rule 0 is treated specially
+ parse_rule_t *rule = _vbuild_rule(&branches[i]);
if (!rule)
return NULL;
ntlist = _vocab_add_rule(ntlist, rule);
@@ -406,19 +405,19 @@ parse_rule_list_t *_vocab_build_gnf(parse_tree_branch_t *branches, int branches_
return tlist;
}
-parse_rule_list_t *vocab_build_gnf(parse_tree_branch_t *branches, int branches_nr) {
- return _vocab_build_gnf(branches, branches_nr, 0);
+parse_rule_list_t *vocab_build_gnf(const Common::Array<parse_tree_branch_t> &branches) {
+ return _vocab_build_gnf(branches, 0);
}
-void vocab_gnf_dump(parse_tree_branch_t *branches, int branches_nr) {
- parse_rule_list_t *tlist = _vocab_build_gnf(branches, branches_nr, 1);
+void vocab_gnf_dump(const Common::Array<parse_tree_branch_t> &branches) {
+ parse_rule_list_t *tlist = _vocab_build_gnf(branches, 1);
sciprintf("%d allocd rules\n", _allocd_rules);
vocab_free_rule_list(tlist);
}
int vocab_build_parse_tree(parse_tree_node_t *nodes, const ResultWordList &words,
- parse_tree_branch_t *branch0, parse_rule_list_t *rules) {
+ const parse_tree_branch_t &branch0, parse_rule_list_t *rules) {
return vocab_gnf_parse(nodes, words, branch0, rules, 0);
}
@@ -489,9 +488,9 @@ static int _vbpt_write_subexpression(parse_tree_node_t *nodes, int *pos, parse_r
}
int vocab_gnf_parse(parse_tree_node_t *nodes, const ResultWordList &words,
- parse_tree_branch_t *branch0, parse_rule_list_t *tlist, int verbose) {
+ const parse_tree_branch_t &branch0, parse_rule_list_t *tlist, int verbose) {
// Get the start rules:
- parse_rule_list_t *work = _vocab_clone_rule_list_by_id(tlist, branch0->data[1]);
+ parse_rule_list_t *work = _vocab_clone_rule_list_by_id(tlist, branch0.data[1]);
parse_rule_list_t *results = NULL;
int word = 0;
const int words_nr = words.size();
@@ -557,7 +556,7 @@ int vocab_gnf_parse(parse_tree_node_t *nodes, const ResultWordList &words,
results = work;
if (verbose) {
- sciprintf("All results (excluding the surrounding '(141 %03x' and ')'):\n", branch0->id);
+ sciprintf("All results (excluding the surrounding '(141 %03x' and ')'):\n", branch0.id);
vocab_print_rule_list(results);
sciprintf("\n");
}
@@ -579,7 +578,7 @@ int vocab_gnf_parse(parse_tree_node_t *nodes, const ResultWordList &words,
pos = 2;
- temp = _vbpt_append(nodes, &pos, 2, branch0->id);
+ temp = _vbpt_append(nodes, &pos, 2, branch0.id);
//_vbpt_write_subexpression(nodes, &pos, results[_vocab_rule_list_length(results)].rule, 0, temp);
_vbpt_write_subexpression(nodes, &pos, results->rule, 0, temp);
}
diff --git a/engines/sci/engine/kstring.cpp b/engines/sci/engine/kstring.cpp
index 5e98749732..babdb07bd6 100644
--- a/engines/sci/engine/kstring.cpp
+++ b/engines/sci/engine/kstring.cpp
@@ -271,7 +271,7 @@ reg_t kParse(EngineState *s, int funct_nr, int argc, reg_t *argv) {
SCIkdebug(SCIkPARSER, " Type[%04x] Group[%04x]\n", i->_class, i->_group);
}
- if (vocab_build_parse_tree(&(s->parser_nodes[0]), words, s->parser_branches,
+ if (vocab_build_parse_tree(s->parser_nodes, words, s->_parserBranches[0],
s->parser_rules))
syntax_fail = 1; /* Building a tree failed */
diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp
index e8bd7a2020..e8924eedb4 100644
--- a/engines/sci/engine/savegame.cpp
+++ b/engines/sci/engine/savegame.cpp
@@ -898,8 +898,7 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
retval->parser_rules = s->parser_rules;
retval->_parserWords = s->_parserWords;
retval->_parserSuffixes = s->_parserSuffixes;
- retval->parser_branches_nr = s->parser_branches_nr;
- retval->parser_branches = s->parser_branches;
+ retval->_parserBranches = s->_parserBranches;
// static VM/Kernel information:
retval->_selectorNames = s->_selectorNames;
diff --git a/engines/sci/engine/scriptdebug.cpp b/engines/sci/engine/scriptdebug.cpp
index 41fe16909b..d2760f7315 100644
--- a/engines/sci/engine/scriptdebug.cpp
+++ b/engines/sci/engine/scriptdebug.cpp
@@ -889,39 +889,37 @@ int c_viewinfo(EngineState *s) {
}
int c_list_sentence_fragments(EngineState *s) {
- int i;
-
if (!s) {
sciprintf("Not in debug state\n");
return 1;
}
- for (i = 0; i < s->parser_branches_nr; i++) {
+ for (uint i = 0; i < s->_parserBranches.size(); i++) {
int j = 0;
- sciprintf("R%02d: [%x] ->", i, s->parser_branches[i].id);
- while ((j < 10) && s->parser_branches[i].data[j]) {
- int dat = s->parser_branches[i].data[j++];
+ sciprintf("R%02d: [%x] ->", i, s->_parserBranches[i].id);
+ while ((j < 10) && s->_parserBranches[i].data[j]) {
+ int dat = s->_parserBranches[i].data[j++];
switch (dat) {
case VOCAB_TREE_NODE_COMPARE_TYPE:
- dat = s->parser_branches[i].data[j++];
+ dat = s->_parserBranches[i].data[j++];
sciprintf(" C(%x)", dat);
break;
case VOCAB_TREE_NODE_COMPARE_GROUP:
- dat = s->parser_branches[i].data[j++];
+ dat = s->_parserBranches[i].data[j++];
sciprintf(" WG(%x)", dat);
break;
case VOCAB_TREE_NODE_FORCE_STORAGE:
- dat = s->parser_branches[i].data[j++];
+ dat = s->_parserBranches[i].data[j++];
sciprintf(" FORCE(%x)", dat);
break;
default:
if (dat > VOCAB_TREE_NODE_LAST_WORD_STORAGE) {
- int dat2 = s->parser_branches[i].data[j++];
+ int dat2 = s->_parserBranches[i].data[j++];
sciprintf(" %x[%x]", dat, dat2);
} else
sciprintf(" ?%x?", dat);
@@ -930,7 +928,7 @@ int c_list_sentence_fragments(EngineState *s) {
sciprintf("\n");
}
- sciprintf("%d rules.\n", s->parser_branches_nr);
+ sciprintf("%d rules.\n", s->_parserBranches.size());
return 0;
}
@@ -1043,7 +1041,7 @@ int c_parse(EngineState *s) {
for (ResultWordList::const_iterator i = words.begin(); i != words.end(); ++i)
sciprintf(" Type[%04x] Group[%04x]\n", i->_class, i->_group);
- if (vocab_gnf_parse(&(s->parser_nodes[0]), words, s->parser_branches, s->parser_rules, 1))
+ if (vocab_gnf_parse(s->parser_nodes, words, s->_parserBranches[0], s->parser_rules, 1))
syntax_fail = 1; // Building a tree failed
if (syntax_fail)
@@ -2717,7 +2715,7 @@ int c_gnf(EngineState *s) {
return 1;
}
- vocab_gnf_dump(s->parser_branches, s->parser_branches_nr);
+ vocab_gnf_dump(s->_parserBranches);
return 0;
}
diff --git a/engines/sci/engine/state.cpp b/engines/sci/engine/state.cpp
index 60fed060ff..9c7d2f78bb 100644
--- a/engines/sci/engine/state.cpp
+++ b/engines/sci/engine/state.cpp
@@ -142,9 +142,7 @@ EngineState::EngineState() : _dirseeker(this) {
debug_mode = 0;
sys_strings_segment = 0;
sys_strings = 0;
- parser_branches = 0;
parser_rules = 0;
- parser_branches_nr = 0;
memset(parser_nodes, 0, sizeof(parser_nodes));
parser_valid = 0;
diff --git a/engines/sci/engine/state.h b/engines/sci/engine/state.h
index 037a99883b..e924c86919 100644
--- a/engines/sci/engine/state.h
+++ b/engines/sci/engine/state.h
@@ -252,9 +252,8 @@ public:
/* Parser data: */
WordMap _parserWords;
SuffixList _parserSuffixes;
- parse_tree_branch_t *parser_branches;
+ Common::Array<parse_tree_branch_t> _parserBranches;
parse_rule_list_t *parser_rules; /* GNF rules used in the parser algorithm */
- int parser_branches_nr;
parse_tree_node_t parser_nodes[VOCAB_TREE_NODES]; /* The parse tree */
int parser_valid; /* If something has been correctly parsed */
diff --git a/engines/sci/scicore/vocabulary.cpp b/engines/sci/scicore/vocabulary.cpp
index 76fbf292fc..d708e95563 100644
--- a/engines/sci/scicore/vocabulary.cpp
+++ b/engines/sci/scicore/vocabulary.cpp
@@ -193,46 +193,40 @@ void vocab_free_suffixes(ResourceManager *resmgr, SuffixList &suffixes) {
suffixes.clear();
}
-void vocab_free_branches(parse_tree_branch_t *parser_branches) {
- free(parser_branches);
-}
-
-parse_tree_branch_t *vocab_get_branches(ResourceManager * resmgr, int *branches_nr) {
+bool vocab_get_branches(ResourceManager * resmgr, Common::Array<parse_tree_branch_t> &branches) {
Resource *resource = resmgr->findResource(kResourceTypeVocab, VOCAB_RESOURCE_PARSE_TREE_BRANCHES, 0);
- parse_tree_branch_t *retval;
- int i;
+
+ branches.clear();
if (!resource) {
fprintf(stderr, "No parser tree data found!\n");
- return NULL;
+ return false;
}
- *branches_nr = resource->size / 20;
+ int branches_nr = resource->size / 20;
- if (*branches_nr == 0) {
+ if (branches_nr == 0) {
fprintf(stderr, "Parser tree data is empty!\n");
- return NULL;
+ return false;
}
- retval = (parse_tree_branch_t *)sci_malloc(sizeof(parse_tree_branch_t) * *branches_nr);
-
- for (i = 0; i < *branches_nr; i++) {
- int k;
+ branches.resize(branches_nr);
+ for (int i = 0; i < branches_nr; i++) {
byte *base = resource->data + i * 20;
- retval[i].id = (int16)READ_LE_UINT16(base);
+ branches[i].id = (int16)READ_LE_UINT16(base);
- for (k = 0; k < 9; k++)
- retval[i].data[k] = READ_LE_UINT16(base + 2 + 2 * k);
+ for (int k = 0; k < 9; k++)
+ branches[i].data[k] = READ_LE_UINT16(base + 2 + 2 * k);
- retval[i].data[9] = 0; // Always terminate
+ branches[i].data[9] = 0; // Always terminate
}
- if (!retval[*branches_nr - 1].id) /* branch lists may be terminated by empty rules */
- --(*branches_nr);
+ if (!branches[branches_nr - 1].id) // branch lists may be terminated by empty rules
+ branches.remove_at(branches_nr - 1);
- return retval;
+ return true;
}
diff --git a/engines/sci/scicore/vocabulary.h b/engines/sci/scicore/vocabulary.h
index 9a073d2e79..a8d58c04e1 100644
--- a/engines/sci/scicore/vocabulary.h
+++ b/engines/sci/scicore/vocabulary.h
@@ -243,20 +243,13 @@ void vocab_free_suffixes(ResourceManager *resmgr, SuffixList &suffixes);
** (SuffixList) suffixes: The suffixes to free
*/
-parse_tree_branch_t *vocab_get_branches(ResourceManager *resmgr, int *branches_nr);
-/* Retrieves all grammar rules from the resource data
-** Parameters: (ResourceManager*) resmgr: Resource manager the rules are
-** read from
-** (int *) branches_nr: Pointer to the variable which the number of entries is to be
-** stored in
-** Returns : (parse_tree_branch_t *): The rules, or NULL on error
-*/
-
-void vocab_free_branches(parse_tree_branch_t *parser_branches);
-/* Frees all branches
-** Parameters: (parse_tree_branch_t *) parser_branches: The branches to free
-** Returns : (null)
-*/
+/**
+ * Retrieves all grammar rules from the resource data.
+ * @param resmgr Resource manager the rules are read from
+ * @param branches The rules are stored into this Array
+ * @return true on success, false on error
+ */
+bool vocab_get_branches(ResourceManager *resmgr, Common::Array<parse_tree_branch_t> &branches);
ResultWord vocab_lookup_word(char *word, int word_len,
const WordMap &words, const SuffixList &suffixes);
@@ -284,10 +277,9 @@ bool vocab_tokenize_string(ResultWordList &retval, char *sentence,
*/
-parse_rule_list_t *vocab_build_gnf(parse_tree_branch_t *branches, int branches_nr);
+parse_rule_list_t *vocab_build_gnf(const Common::Array<parse_tree_branch_t> &branches);
/* Constructs the Greibach Normal Form of the grammar supplied in 'branches'
** Parameters: (parse_tree_branch_t *) branches: The parser's branches
-** (int) branches_nr: Number of parser branches
** Returns : (parse_rule_list_t *): Pointer to a list of singly linked
** GNF rules describing the same language
** that was described by 'branches'
@@ -304,7 +296,7 @@ void vocab_free_rule_list(parse_rule_list_t *rule_list);
int vocab_build_parse_tree(parse_tree_node_t *nodes, const ResultWordList &words,
- parse_tree_branch_t *branch0, parse_rule_list_t *rules);
+ const parse_tree_branch_t &branch0, parse_rule_list_t *rules);
/* Builds a parse tree from a list of words
** Parameters: (parse_tree_node_t *) nodes: A node list to store the tree in (must have
** at least VOCAB_TREE_NODES entries)
@@ -357,9 +349,9 @@ void vocab_synonymize_tokens(ResultWordList &words, const SynonymList &synonyms)
*/
int vocab_gnf_parse(parse_tree_node_t *nodes, const ResultWordList &words,
- parse_tree_branch_t *branch0, parse_rule_list_t *tlist, int verbose);
+ const parse_tree_branch_t &branch0, parse_rule_list_t *tlist, int verbose);
-void vocab_gnf_dump(parse_tree_branch_t *branches, int branches_nr);
+void vocab_gnf_dump(const Common::Array<parse_tree_branch_t> &branches);
} // End of namespace Sci
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 15:53:40 +0000