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Diffstat (limited to 'src/interfaces/ecpg/preproc/output.c')
-rw-r--r--src/interfaces/ecpg/preproc/output.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/interfaces/ecpg/preproc/output.c b/src/interfaces/ecpg/preproc/output.c
new file mode 100644
index 00000000000..c60adf8f408
--- /dev/null
+++ b/src/interfaces/ecpg/preproc/output.c
@@ -0,0 +1,126 @@
+#include <stdarg.h>
+
+#include "postgres.h"
+#include "extern.h"
+
+void
+output_line_number()
+{
+ if (input_filename)
+ fprintf(yyout, "\n#line %d \"%s\"\n", yylineno, input_filename);
+}
+
+void
+output_simple_statement(char *cmd)
+{
+ fputs(cmd, yyout);
+ output_line_number();
+ free(cmd);
+}
+
+/*
+ * store the whenever action here
+ */
+struct when when_error, when_nf, when_warn;
+
+static void
+print_action(struct when *w)
+{
+ switch (w->code)
+ {
+ case W_SQLPRINT: fprintf(yyout, "sqlprint();");
+ break;
+ case W_GOTO: fprintf(yyout, "goto %s;", w->command);
+ break;
+ case W_DO: fprintf(yyout, "%s;", w->command);
+ break;
+ case W_STOP: fprintf(yyout, "exit (1);");
+ break;
+ case W_BREAK: fprintf(yyout, "break;");
+ break;
+ default: fprintf(yyout, "{/* %d not implemented yet */}", w->code);
+ break;
+ }
+}
+
+void
+whenever_action(int mode)
+{
+ if ((mode&1) == 1 && when_nf.code != W_NOTHING)
+ {
+ output_line_number();
+ fprintf(yyout, "\nif (sqlca.sqlcode == ECPG_NOT_FOUND) ");
+ print_action(&when_nf);
+ }
+ if (when_warn.code != W_NOTHING)
+ {
+ output_line_number();
+ fprintf(yyout, "\nif (sqlca.sqlwarn[0] == 'W') ");
+ print_action(&when_warn);
+ }
+ if (when_error.code != W_NOTHING)
+ {
+ output_line_number();
+ fprintf(yyout, "\nif (sqlca.sqlcode < 0) ");
+ print_action(&when_error);
+ }
+
+ if ((mode&2) == 2)
+ fputc('}', yyout);
+
+ output_line_number();
+}
+
+char *
+hashline_number(void)
+{
+ if (input_filename)
+ {
+ char* line = mm_alloc(strlen("\n#line %d \"%s\"\n") + 21 + strlen(input_filename));
+ sprintf(line, "\n#line %d \"%s\"\n", yylineno, input_filename);
+
+ return line;
+ }
+
+ return EMPTY;
+}
+
+void
+output_statement(char * stmt, int mode, char *descriptor)
+{
+ int i, j=strlen(stmt);
+
+ if (descriptor == NULL)
+ fprintf(yyout, "{ ECPGdo(__LINE__, %s, \"", connection ? connection : "NULL");
+ else
+ fprintf(yyout, "{ ECPGdo_descriptor(__LINE__, %s, \"%s\", \"",
+ connection ? connection : "NULL", descriptor);
+
+ /* do this char by char as we have to filter '\"' */
+ for (i = 0;i < j; i++) {
+ if (stmt[i] != '\"')
+ fputc(stmt[i], yyout);
+ else
+ fputs("\\\"", yyout);
+ }
+
+ if (descriptor == NULL)
+ {
+ fputs("\", ", yyout);
+
+ /* dump variables to C file */
+ dump_variables(argsinsert, 1);
+ fputs("ECPGt_EOIT, ", yyout);
+ dump_variables(argsresult, 1);
+ fputs("ECPGt_EORT);", yyout);
+ }
+ else
+ fputs("\");", yyout);
+
+ mode |= 2;
+ whenever_action(mode);
+ free(stmt);
+ if (connection != NULL)
+ free(connection);
+}
+