mirror of
https://github.com/ganelson/inform.git
synced 2024-07-01 06:24:58 +03:00
132 lines
5.8 KiB
OpenEdge ABL
132 lines
5.8 KiB
OpenEdge ABL
[Inter::Verify::] Verifying Inter.
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Verifying that a chunk of inter is correct and consistent.
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@ =
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inter_error_message *Inter::Verify::defn(inter_package *owner, inter_tree_node *P, int index) {
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inter_symbols_table *T = Inter::Packages::scope(owner);
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if (T == NULL) T = Inode::globals(P);
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inter_symbol *S = Inter::SymbolsTables::unequated_symbol_from_id(T, P->W.data[index]);
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if (S == NULL) return Inode::error(P, I"no symbol for ID (case 1)", NULL);
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if (S->equated_to) {
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LOG("This is $6 but $3 equates to $3 in $6\n",
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Inter::Packages::container(P), S, S->equated_to, Inter::Packages::container(S->equated_to->definition));
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return Inode::error(P, I"symbol defined outside its native scope", S->symbol_name);
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}
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inter_tree_node *D = Inter::Symbols::definition(S);
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if (D == NULL) Inter::Symbols::define(S, P);
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else if (Inode::eq(D, P) == FALSE) {
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if (Inter::Symbols::is_predeclared(S)) {
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Inter::Symbols::define(S, P);
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return NULL;
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}
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return Inode::error(P, I"duplicated symbol", S->symbol_name);
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}
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return NULL;
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}
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inter_error_message *Inter::Verify::local_defn(inter_tree_node *P, int index, inter_symbols_table *T) {
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inter_symbol *S = Inter::SymbolsTables::symbol_from_id(T, P->W.data[index]);
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if (S == NULL) return Inode::error(P, I"no symbol for ID (case 2)", NULL);
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if ((Inter::Symbols::is_defined(S)) &&
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(Inter::Symbols::is_predeclared_local(S) == FALSE))
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return Inode::error(P, I"duplicated local symbol", S->symbol_name);
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Inter::Symbols::define(S, P);
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return NULL;
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}
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inter_error_message *Inter::Verify::symbol(inter_package *owner, inter_tree_node *P, inter_ti ID, inter_ti construct) {
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inter_symbols_table *T = Inter::Packages::scope(owner);
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if (T == NULL) T = Inode::globals(P);
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inter_symbol *S = Inter::SymbolsTables::symbol_from_id(T, ID);
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if (S == NULL) return Inode::error(P, I"no symbol for ID (case 3)", NULL);
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inter_tree_node *D = Inter::Symbols::definition(S);
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if (Inter::Symbols::is_extern(S)) return NULL;
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if (Inter::Symbols::is_predeclared(S)) return NULL;
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if (D == NULL) return Inode::error(P, I"undefined symbol", S->symbol_name);
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if ((D->W.data[ID_IFLD] != construct) &&
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(Inter::Symbols::is_extern(S) == FALSE) &&
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(Inter::Symbols::is_predeclared(S) == FALSE)) {
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return Inode::error(P, I"symbol of wrong type", S->symbol_name);
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}
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return NULL;
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}
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inter_error_message *Inter::Verify::global_symbol(inter_tree_node *P, inter_ti ID, inter_ti construct) {
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inter_symbol *S = Inter::SymbolsTables::symbol_from_id(Inode::globals(P), ID);
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if (S == NULL) { internal_error("IO"); return Inode::error(P, I"3no symbol for ID", NULL); }
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inter_tree_node *D = Inter::Symbols::definition(S);
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if (Inter::Symbols::is_extern(S)) return NULL;
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if (Inter::Symbols::is_predeclared(S)) return NULL;
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if (D == NULL) return Inode::error(P, I"undefined symbol", S->symbol_name);
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if ((D->W.data[ID_IFLD] != construct) &&
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(Inter::Symbols::is_extern(S) == FALSE) &&
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(Inter::Symbols::is_predeclared(S) == FALSE)) {
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return Inode::error(P, I"symbol of wrong type", S->symbol_name);
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}
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return NULL;
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}
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inter_error_message *Inter::Verify::local_symbol(inter_tree_node *P, inter_ti ID, inter_ti construct, inter_symbols_table *T) {
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inter_symbol *S = Inter::SymbolsTables::symbol_from_id(T, ID);
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if (S == NULL) return Inode::error(P, I"4no symbol for ID", NULL);
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inter_tree_node *D = Inter::Symbols::definition(S);
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if (Inter::Symbols::is_extern(S)) return NULL;
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if (Inter::Symbols::is_predeclared(S)) return NULL;
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if (D == NULL) return Inode::error(P, I"undefined symbol", S->symbol_name);
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if ((D->W.data[ID_IFLD] != construct) &&
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(Inter::Symbols::is_extern(S) == FALSE) &&
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(Inter::Symbols::is_predeclared(S) == FALSE)) {
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return Inode::error(P, I"symbol of wrong type", S->symbol_name);
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}
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return NULL;
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}
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inter_error_message *Inter::Verify::symbol_KOI(inter_package *owner, inter_tree_node *P, inter_ti ID) {
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inter_symbols_table *T = Inter::Packages::scope(owner);
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if (T == NULL) T = Inode::globals(P);
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inter_symbol *S = Inter::SymbolsTables::symbol_from_id(T, ID);
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if (S == NULL) return Inode::error(P, I"5no symbol for ID", NULL);
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inter_tree_node *D = Inter::Symbols::definition(S);
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if (Inter::Symbols::is_extern(S)) return NULL;
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if (Inter::Symbols::is_predeclared(S)) return NULL;
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if (D == NULL) return Inode::error(P, I"undefined symbol", S->symbol_name);
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if ((D->W.data[ID_IFLD] != KIND_IST) &&
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(Inter::Symbols::is_extern(S) == FALSE) &&
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(D->W.data[ID_IFLD] != INSTANCE_IST) &&
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(Inter::Symbols::is_predeclared(S) == FALSE)) return Inode::error(P, I"symbol of wrong type", S->symbol_name);
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return NULL;
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}
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inter_error_message *Inter::Verify::data_type(inter_tree_node *P, int index) {
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inter_ti ID = P->W.data[index];
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inter_data_type *idt = Inter::Types::find_by_ID(ID);
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if (idt == NULL) return Inode::error(P, I"unknown data type", NULL);
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return NULL;
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}
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inter_error_message *Inter::Verify::value(inter_package *owner, inter_tree_node *P, int index, inter_symbol *kind_symbol) {
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inter_symbols_table *T = Inter::Packages::scope(owner);
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if (T == NULL) T = Inode::globals(P);
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if (kind_symbol == NULL) return Inode::error(P, I"unknown kind for value", NULL);
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inter_ti V1 = P->W.data[index];
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inter_ti V2 = P->W.data[index+1];
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return Inter::Types::verify(P, kind_symbol, V1, V2, T);
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}
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inter_error_message *Inter::Verify::local_value(inter_tree_node *P, int index, inter_symbol *kind_symbol, inter_symbols_table *T) {
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if (kind_symbol == NULL) return Inode::error(P, I"unknown kind for value", NULL);
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inter_ti V1 = P->W.data[index];
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inter_ti V2 = P->W.data[index+1];
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return Inter::Types::verify(P, kind_symbol, V1, V2, T);
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}
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void Inter::Verify::writer(OUTPUT_STREAM, char *format_string, void *vI) {
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inter_tree_node *F = (inter_tree_node *) vI;
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if (F == NULL) { WRITE("<no frame>"); return; }
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WRITE("%05d -> ", F->W.index);
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WRITE("%d {", F->W.extent);
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for (int i=0; i<F->W.extent; i++) WRITE(" %08x", F->W.data[i]);
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WRITE(" }");
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}
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