Mercurial > ~dholland > hg > ag > index.cgi
diff tests/agcl/oldagsrc/good/asiwdp.h @ 0:13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
author | David A. Holland |
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date | Sat, 22 Dec 2007 17:52:45 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/agcl/oldagsrc/good/asiwdp.h Sat Dec 22 17:52:45 2007 -0500 @@ -0,0 +1,93 @@ +#ifndef ASIWDP_H +#define ASIWDP_H + +typedef union { + double alignment; + char ag_vt_2[sizeof(int)]; + char ag_vt_4[sizeof(double)]; + char ag_vt_5[sizeof(Location)]; + char ag_vt_6[sizeof(double *)]; +} asi_vs_type; + +typedef enum { + asi_white_space_token = 1, asi_input_string_token = 4, + asi_statements_token, asi_eof_token = 7, asi_statement_token, + asi_skip_statement_token, asi_skip_open_statement_token, + asi_skip_closed_statement_token, asi_statement_text_token, + asi_balanced_braces_token = 15, asi_balanced_parens_token = 17, + asi_open_statement_token = 20, asi_closed_statement_token, + asi_expression_token, asi_true_if_condition_token = 25, + asi_false_if_condition_token, asi_closed_while_token, + asi_execute_while_token, asi_open_while_token, asi_while_token = 32, + asi_while_loop_token, asi_false_while_condition_token, + asi_true_while_condition_token, asi_conditional_expression_token, + asi_logical_or_expression_token = 42, + asi_logical_and_expression_token = 45, asi_equality_expression_token = 47, + asi_relational_expression_token = 49, asi_additive_expression_token = 52, + asi_multiplicative_expression_token = 57, asi_unary_expression_token = 60, + asi_factor_token = 63, asi_primary_token, asi_blank_token = 72, + asi_statement_char_token = 83, asi_name_string_token = 87, + asi_letter_token, asi_simple_real_token = 90, asi_exponent_token = 93, + asi_integer_part_token, asi_fraction_part_token = 96, + asi_name_token = 114, asi_real_token = 134, asi_digit_token = 143 +} asi_token_type; + +typedef struct asi_pcb_struct{ + asi_token_type token_number, reduction_token, error_frame_token; + int input_code; + int input_value; + int line, column; + int ssx, sn, error_frame_ssx; + int drt, dssx, dsn; + int ss[128]; + asi_vs_type vs[128]; + int ag_ap; + const char *error_message; + char read_flag; + char exit_flag; + int bts[128], btsx; + unsigned char * pointer; + unsigned char * la_ptr; + const unsigned char *key_sp; + int save_index, key_state; + char ag_msg[82]; + const int *ag_dtl; + int ag_dsn; +/* Line -, asiwdp.syn */ + // Add declarations to parser control block + CharStack charStack; // Stack to accumulate variable names + WhileStack whileStack; // Stack of active while loops + SymbolTable *symbolTable; // Pointer to external symbol table + + void pushChar(int c); // Add character to character stack + double *locateValue(int k); // Identify variable named on character stack + void stackLoop(const Location &c); // Provide for nested while loops + Location location(); // Capture current location of parse + void setLocation(const Location &l); // Set location of parse + void loopContinue(); // Set location to continue current while loop + void loopExit(); // Set location to exit current while loop + double checkZero(double value); // Check for zero divisor + + // External interface to the parser + int interpret(char *text, SymbolTable *s); // Parse instructions in text, using variables defined in s + } asi_pcb_type; + +#ifndef PRULE_CONTEXT +#define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx])) +#define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx]) +#define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx]) +#endif + +#ifndef AG_RUNNING_CODE +/* PCB.exit_flag values */ +#define AG_RUNNING_CODE 0 +#define AG_SUCCESS_CODE 1 +#define AG_SYNTAX_ERROR_CODE 2 +#define AG_REDUCTION_ERROR_CODE 3 +#define AG_STACK_ERROR_CODE 4 +#define AG_SEMANTIC_ERROR_CODE 5 +#endif +void init_asi(asi_pcb_type *); +void asi(asi_pcb_type *); +#endif +