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-rw-r--r--contrib/bc/include/program.h314
1 files changed, 149 insertions, 165 deletions
diff --git a/contrib/bc/include/program.h b/contrib/bc/include/program.h
index 1a87aa612c90..1df753afad22 100644
--- a/contrib/bc/include/program.h
+++ b/contrib/bc/include/program.h
@@ -3,7 +3,7 @@
*
* SPDX-License-Identifier: BSD-2-Clause
*
- * Copyright (c) 2018-2021 Gavin D. Howard and contributors.
+ * Copyright (c) 2018-2023 Gavin D. Howard and contributors.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -69,8 +69,10 @@ typedef struct BcProgram
/// The array of globals values.
BcBigDig globals[BC_PROG_GLOBALS_LEN];
+#if BC_ENABLED
/// The array of globals stacks.
BcVec globals_v[BC_PROG_GLOBALS_LEN];
+#endif // BC_ENABLED
#if BC_ENABLE_EXTRA_MATH
@@ -85,11 +87,21 @@ typedef struct BcProgram
/// The execution stack.
BcVec stack;
- /// A pointer to the current function's constants.
- BcVec* consts;
+ /// The constants encountered in the program. They are global to the program
+ /// to prevent bad accesses when functions that used non-auto variables are
+ /// replaced.
+ BcVec consts;
+
+ /// The map of constants to go with consts.
+ BcVec const_map;
- /// A pointer to the current function's strings.
- BcVec* strs;
+ /// The strings encountered in the program. They are global to the program
+ /// to prevent bad accesses when functions that used non-auto variables are
+ /// replaced.
+ BcVec strs;
+
+ /// The map of strings to go with strs.
+ BcVec str_map;
/// The array of functions.
BcVec fns;
@@ -122,6 +134,10 @@ typedef struct BcProgram
/// A BcNum that has the proper base for asciify.
BcNum strmb;
+ // A BcNum to run asciify. This is to prevent GCC longjmp() clobbering
+ // warnings.
+ BcNum asciify;
+
#if BC_ENABLED
/// The last printed value for bc.
@@ -204,25 +220,36 @@ typedef struct BcProgram
#if !BC_ENABLED
-/// This define disappears the parameter last because for dc only, last is
-/// always true.
-#define bc_program_copyToVar(p, name, t, last) bc_program_copyToVar(p, name, t)
+/// Returns true if the calculator should pop after printing.
+#define BC_PROGRAM_POP(pop) (pop)
+
+#else // !BC_ENABLED
+
+/// Returns true if the calculator should pop after printing.
+#define BC_PROGRAM_POP(pop) (BC_IS_BC || (pop))
#endif // !BC_ENABLED
+// This is here to satisfy a clang warning about recursive macros.
+#define bc_program_pushVar(p, code, bgn, pop, copy) \
+ bc_program_pushVar_impl(p, code, bgn, pop, copy)
+
#else // DC_ENABLED
-/// This define disappears pop and copy because for bc, 'pop' and 'copy' are
-/// always false.
+// This define disappears pop and copy because for bc, 'pop' and 'copy' are
+// always false.
#define bc_program_pushVar(p, code, bgn, pop, copy) \
- bc_program_pushVar(p, code, bgn)
+ bc_program_pushVar_impl(p, code, bgn)
+
+/// Returns true if the calculator should pop after printing.
+#define BC_PROGRAM_POP(pop) (BC_IS_BC)
// In debug mode, we want bc to check the stack, but otherwise, we don't because
// the bc language implicitly mandates that the stack should always have enough
// items.
-#ifdef NDEBUG
+#ifdef BC_DEBUG
#define BC_PROG_NO_STACK_CHECK
-#endif // NDEBUG
+#endif // BC_DEBUG
#endif // DC_ENABLED
@@ -271,7 +298,7 @@ typedef void (*BcProgramUnary)(BcResult* r, BcNum* n);
void
bc_program_init(BcProgram* p);
-#ifndef NDEBUG
+#if BC_DEBUG
/**
* Frees a BcProgram. This is only used in debug builds because a BcProgram is
@@ -282,7 +309,14 @@ bc_program_init(BcProgram* p);
void
bc_program_free(BcProgram* p);
-#endif // NDEBUG
+#endif // BC_DEBUG
+
+/**
+ * Prints a stack trace of the bc functions or dc strings currently executing.
+ * @param p The program.
+ */
+void
+bc_program_printStackTrace(BcProgram* p);
#if BC_DEBUG_CODE
#if BC_ENABLED && DC_ENABLED
@@ -317,22 +351,22 @@ bc_program_printStackDebug(BcProgram* p);
/**
* Returns the index of the variable or array in their respective arrays.
- * @param p The program.
- * @param id The BcId of the variable or array.
- * @param var True if the search should be for a variable, false for an array.
- * @return The index of the variable or array in the correct array.
+ * @param p The program.
+ * @param name The name of the variable or array.
+ * @param var True if the search should be for a variable, false for an array.
+ * @return The index of the variable or array in the correct array.
*/
size_t
-bc_program_search(BcProgram* p, const char* id, bool var);
+bc_program_search(BcProgram* p, const char* name, bool var);
/**
- * Adds a string to a function and returns the string's index in the function.
- * @param p The program.
- * @param str The string to add.
- * @param fidx The index of the function to add to.
+ * Adds a string to the program and returns the string's index in the program.
+ * @param p The program.
+ * @param str The string to add.
+ * @return The string's index in the program.
*/
size_t
-bc_program_addString(BcProgram* p, const char* str, size_t fidx);
+bc_program_addString(BcProgram* p, const char* str);
/**
* Inserts a function into the program and returns the index of the function in
@@ -438,14 +472,14 @@ extern const char bc_program_esc_seqs[];
#if BC_DEBUG_CODE
// clang-format off
-#define BC_PROG_JUMP(inst, code, ip) \
- do \
- { \
- inst = (uchar) (code)[(ip)->idx++]; \
- bc_file_printf(&vm.ferr, "inst: %s\n", bc_inst_names[inst]); \
- bc_file_flush(&vm.ferr, bc_flush_none); \
- goto *bc_program_inst_lbls[inst]; \
- } \
+#define BC_PROG_JUMP(inst, code, ip) \
+ do \
+ { \
+ inst = (uchar) (code)[(ip)->idx++]; \
+ bc_file_printf(&vm->ferr, "inst: %s\n", bc_inst_names[inst]); \
+ bc_file_flush(&vm->ferr, bc_flush_none); \
+ goto *bc_program_inst_lbls[inst]; \
+ } \
while (0)
// clang-format on
@@ -545,6 +579,8 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_SCALE_FUNC, \
&&lbl_BC_INST_SQRT, \
&&lbl_BC_INST_ABS, \
+ &&lbl_BC_INST_IS_NUMBER, \
+ &&lbl_BC_INST_IS_STRING, \
&&lbl_BC_INST_IRAND, \
&&lbl_BC_INST_ASCIIFY, \
&&lbl_BC_INST_READ, \
@@ -572,6 +608,7 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_MODEXP, \
&&lbl_BC_INST_DIVMOD, \
&&lbl_BC_INST_PRINT_STREAM, \
+ &&lbl_BC_INST_EXTENDED_REGISTERS, \
&&lbl_BC_INST_POP_EXEC, \
&&lbl_BC_INST_EXECUTE, \
&&lbl_BC_INST_EXEC_COND, \
@@ -639,6 +676,8 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_SCALE_FUNC, \
&&lbl_BC_INST_SQRT, \
&&lbl_BC_INST_ABS, \
+ &&lbl_BC_INST_IS_NUMBER, \
+ &&lbl_BC_INST_IS_STRING, \
&&lbl_BC_INST_ASCIIFY, \
&&lbl_BC_INST_READ, \
&&lbl_BC_INST_MAXIBASE, \
@@ -663,6 +702,7 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_MODEXP, \
&&lbl_BC_INST_DIVMOD, \
&&lbl_BC_INST_PRINT_STREAM, \
+ &&lbl_BC_INST_EXTENDED_REGISTERS, \
&&lbl_BC_INST_POP_EXEC, \
&&lbl_BC_INST_EXECUTE, \
&&lbl_BC_INST_EXEC_COND, \
@@ -745,6 +785,8 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_SCALE_FUNC, \
&&lbl_BC_INST_SQRT, \
&&lbl_BC_INST_ABS, \
+ &&lbl_BC_INST_IS_NUMBER, \
+ &&lbl_BC_INST_IS_STRING, \
&&lbl_BC_INST_IRAND, \
&&lbl_BC_INST_ASCIIFY, \
&&lbl_BC_INST_READ, \
@@ -825,6 +867,8 @@ extern const char bc_program_esc_seqs[];
&&lbl_BC_INST_SCALE_FUNC, \
&&lbl_BC_INST_SQRT, \
&&lbl_BC_INST_ABS, \
+ &&lbl_BC_INST_IS_NUMBER, \
+ &&lbl_BC_INST_IS_STRING, \
&&lbl_BC_INST_ASCIIFY, \
&&lbl_BC_INST_READ, \
&&lbl_BC_INST_MAXIBASE, \
@@ -860,142 +904,82 @@ extern const char bc_program_esc_seqs[];
#if BC_ENABLE_EXTRA_MATH
-#define BC_PROG_LBLS \
- static const void* const bc_program_inst_lbls[] = { \
- &&lbl_BC_INST_NEG, \
- &&lbl_BC_INST_BOOL_NOT, \
- &&lbl_BC_INST_TRUNC, \
- &&lbl_BC_INST_POWER, \
- &&lbl_BC_INST_MULTIPLY, \
- &&lbl_BC_INST_DIVIDE, \
- &&lbl_BC_INST_MODULUS, \
- &&lbl_BC_INST_PLUS, \
- &&lbl_BC_INST_MINUS, \
- &&lbl_BC_INST_PLACES, \
- &&lbl_BC_INST_LSHIFT, \
- &&lbl_BC_INST_RSHIFT, \
- &&lbl_BC_INST_REL_EQ, \
- &&lbl_BC_INST_REL_LE, \
- &&lbl_BC_INST_REL_GE, \
- &&lbl_BC_INST_REL_NE, \
- &&lbl_BC_INST_REL_LT, \
- &&lbl_BC_INST_REL_GT, \
- &&lbl_BC_INST_BOOL_OR, \
- &&lbl_BC_INST_BOOL_AND, \
- &&lbl_BC_INST_ASSIGN_NO_VAL, \
- &&lbl_BC_INST_NUM, \
- &&lbl_BC_INST_VAR, \
- &&lbl_BC_INST_ARRAY_ELEM, \
- &&lbl_BC_INST_ARRAY, \
- &&lbl_BC_INST_ZERO, \
- &&lbl_BC_INST_ONE, \
- &&lbl_BC_INST_IBASE, \
- &&lbl_BC_INST_OBASE, \
- &&lbl_BC_INST_SCALE, \
- &&lbl_BC_INST_SEED, \
- &&lbl_BC_INST_LENGTH, \
- &&lbl_BC_INST_SCALE_FUNC, \
- &&lbl_BC_INST_SQRT, \
- &&lbl_BC_INST_ABS, \
- &&lbl_BC_INST_IRAND, \
- &&lbl_BC_INST_ASCIIFY, \
- &&lbl_BC_INST_READ, \
- &&lbl_BC_INST_RAND, \
- &&lbl_BC_INST_MAXIBASE, \
- &&lbl_BC_INST_MAXOBASE, \
- &&lbl_BC_INST_MAXSCALE, \
- &&lbl_BC_INST_MAXRAND, \
- &&lbl_BC_INST_LINE_LENGTH, \
- &&lbl_BC_INST_LEADING_ZERO, \
- &&lbl_BC_INST_PRINT, \
- &&lbl_BC_INST_PRINT_POP, \
- &&lbl_BC_INST_STR, \
- &&lbl_BC_INST_POP, \
- &&lbl_BC_INST_SWAP, \
- &&lbl_BC_INST_MODEXP, \
- &&lbl_BC_INST_DIVMOD, \
- &&lbl_BC_INST_PRINT_STREAM, \
- &&lbl_BC_INST_POP_EXEC, \
- &&lbl_BC_INST_EXECUTE, \
- &&lbl_BC_INST_EXEC_COND, \
- &&lbl_BC_INST_PRINT_STACK, \
- &&lbl_BC_INST_CLEAR_STACK, \
- &&lbl_BC_INST_REG_STACK_LEN, \
- &&lbl_BC_INST_STACK_LEN, \
- &&lbl_BC_INST_DUPLICATE, \
- &&lbl_BC_INST_LOAD, \
- &&lbl_BC_INST_PUSH_VAR, \
- &&lbl_BC_INST_PUSH_TO_VAR, \
- &&lbl_BC_INST_QUIT, \
- &&lbl_BC_INST_NQUIT, \
- &&lbl_BC_INST_EXEC_STACK_LEN, \
- &&lbl_BC_INST_INVALID, \
+#define BC_PROG_LBLS \
+ static const void* const bc_program_inst_lbls[] = { \
+ &&lbl_BC_INST_NEG, &&lbl_BC_INST_BOOL_NOT, \
+ &&lbl_BC_INST_TRUNC, &&lbl_BC_INST_POWER, \
+ &&lbl_BC_INST_MULTIPLY, &&lbl_BC_INST_DIVIDE, \
+ &&lbl_BC_INST_MODULUS, &&lbl_BC_INST_PLUS, \
+ &&lbl_BC_INST_MINUS, &&lbl_BC_INST_PLACES, \
+ &&lbl_BC_INST_LSHIFT, &&lbl_BC_INST_RSHIFT, \
+ &&lbl_BC_INST_REL_EQ, &&lbl_BC_INST_REL_LE, \
+ &&lbl_BC_INST_REL_GE, &&lbl_BC_INST_REL_NE, \
+ &&lbl_BC_INST_REL_LT, &&lbl_BC_INST_REL_GT, \
+ &&lbl_BC_INST_BOOL_OR, &&lbl_BC_INST_BOOL_AND, \
+ &&lbl_BC_INST_ASSIGN_NO_VAL, &&lbl_BC_INST_NUM, \
+ &&lbl_BC_INST_VAR, &&lbl_BC_INST_ARRAY_ELEM, \
+ &&lbl_BC_INST_ARRAY, &&lbl_BC_INST_ZERO, \
+ &&lbl_BC_INST_ONE, &&lbl_BC_INST_IBASE, \
+ &&lbl_BC_INST_OBASE, &&lbl_BC_INST_SCALE, \
+ &&lbl_BC_INST_SEED, &&lbl_BC_INST_LENGTH, \
+ &&lbl_BC_INST_SCALE_FUNC, &&lbl_BC_INST_SQRT, \
+ &&lbl_BC_INST_ABS, &&lbl_BC_INST_IS_NUMBER, \
+ &&lbl_BC_INST_IS_STRING, &&lbl_BC_INST_IRAND, \
+ &&lbl_BC_INST_ASCIIFY, &&lbl_BC_INST_READ, \
+ &&lbl_BC_INST_RAND, &&lbl_BC_INST_MAXIBASE, \
+ &&lbl_BC_INST_MAXOBASE, &&lbl_BC_INST_MAXSCALE, \
+ &&lbl_BC_INST_MAXRAND, &&lbl_BC_INST_LINE_LENGTH, \
+ &&lbl_BC_INST_LEADING_ZERO, &&lbl_BC_INST_PRINT, \
+ &&lbl_BC_INST_PRINT_POP, &&lbl_BC_INST_STR, \
+ &&lbl_BC_INST_POP, &&lbl_BC_INST_SWAP, \
+ &&lbl_BC_INST_MODEXP, &&lbl_BC_INST_DIVMOD, \
+ &&lbl_BC_INST_PRINT_STREAM, &&lbl_BC_INST_EXTENDED_REGISTERS, \
+ &&lbl_BC_INST_POP_EXEC, &&lbl_BC_INST_EXECUTE, \
+ &&lbl_BC_INST_EXEC_COND, &&lbl_BC_INST_PRINT_STACK, \
+ &&lbl_BC_INST_CLEAR_STACK, &&lbl_BC_INST_REG_STACK_LEN, \
+ &&lbl_BC_INST_STACK_LEN, &&lbl_BC_INST_DUPLICATE, \
+ &&lbl_BC_INST_LOAD, &&lbl_BC_INST_PUSH_VAR, \
+ &&lbl_BC_INST_PUSH_TO_VAR, &&lbl_BC_INST_QUIT, \
+ &&lbl_BC_INST_NQUIT, &&lbl_BC_INST_EXEC_STACK_LEN, \
+ &&lbl_BC_INST_INVALID, \
}
#else // BC_ENABLE_EXTRA_MATH
-#define BC_PROG_LBLS \
- static const void* const bc_program_inst_lbls[] = { \
- &&lbl_BC_INST_NEG, \
- &&lbl_BC_INST_BOOL_NOT, \
- &&lbl_BC_INST_POWER, \
- &&lbl_BC_INST_MULTIPLY, \
- &&lbl_BC_INST_DIVIDE, \
- &&lbl_BC_INST_MODULUS, \
- &&lbl_BC_INST_PLUS, \
- &&lbl_BC_INST_MINUS, \
- &&lbl_BC_INST_REL_EQ, \
- &&lbl_BC_INST_REL_LE, \
- &&lbl_BC_INST_REL_GE, \
- &&lbl_BC_INST_REL_NE, \
- &&lbl_BC_INST_REL_LT, \
- &&lbl_BC_INST_REL_GT, \
- &&lbl_BC_INST_BOOL_OR, \
- &&lbl_BC_INST_BOOL_AND, \
- &&lbl_BC_INST_ASSIGN_NO_VAL, \
- &&lbl_BC_INST_NUM, \
- &&lbl_BC_INST_VAR, \
- &&lbl_BC_INST_ARRAY_ELEM, \
- &&lbl_BC_INST_ARRAY, \
- &&lbl_BC_INST_ZERO, \
- &&lbl_BC_INST_ONE, \
- &&lbl_BC_INST_IBASE, \
- &&lbl_BC_INST_OBASE, \
- &&lbl_BC_INST_SCALE, \
- &&lbl_BC_INST_LENGTH, \
- &&lbl_BC_INST_SCALE_FUNC, \
- &&lbl_BC_INST_SQRT, \
- &&lbl_BC_INST_ABS, \
- &&lbl_BC_INST_ASCIIFY, \
- &&lbl_BC_INST_READ, \
- &&lbl_BC_INST_MAXIBASE, \
- &&lbl_BC_INST_MAXOBASE, \
- &&lbl_BC_INST_MAXSCALE, \
- &&lbl_BC_INST_LINE_LENGTH, \
- &&lbl_BC_INST_LEADING_ZERO, \
- &&lbl_BC_INST_PRINT, \
- &&lbl_BC_INST_PRINT_POP, \
- &&lbl_BC_INST_STR, \
- &&lbl_BC_INST_POP, \
- &&lbl_BC_INST_SWAP, \
- &&lbl_BC_INST_MODEXP, \
- &&lbl_BC_INST_DIVMOD, \
- &&lbl_BC_INST_PRINT_STREAM, \
- &&lbl_BC_INST_POP_EXEC, \
- &&lbl_BC_INST_EXECUTE, \
- &&lbl_BC_INST_EXEC_COND, \
- &&lbl_BC_INST_PRINT_STACK, \
- &&lbl_BC_INST_CLEAR_STACK, \
- &&lbl_BC_INST_REG_STACK_LEN, \
- &&lbl_BC_INST_STACK_LEN, \
- &&lbl_BC_INST_DUPLICATE, \
- &&lbl_BC_INST_LOAD, \
- &&lbl_BC_INST_PUSH_VAR, \
- &&lbl_BC_INST_PUSH_TO_VAR, \
- &&lbl_BC_INST_QUIT, \
- &&lbl_BC_INST_NQUIT, \
- &&lbl_BC_INST_EXEC_STACK_LEN, \
- &&lbl_BC_INST_INVALID, \
+#define BC_PROG_LBLS \
+ static const void* const bc_program_inst_lbls[] = { \
+ &&lbl_BC_INST_NEG, &&lbl_BC_INST_BOOL_NOT, \
+ &&lbl_BC_INST_POWER, &&lbl_BC_INST_MULTIPLY, \
+ &&lbl_BC_INST_DIVIDE, &&lbl_BC_INST_MODULUS, \
+ &&lbl_BC_INST_PLUS, &&lbl_BC_INST_MINUS, \
+ &&lbl_BC_INST_REL_EQ, &&lbl_BC_INST_REL_LE, \
+ &&lbl_BC_INST_REL_GE, &&lbl_BC_INST_REL_NE, \
+ &&lbl_BC_INST_REL_LT, &&lbl_BC_INST_REL_GT, \
+ &&lbl_BC_INST_BOOL_OR, &&lbl_BC_INST_BOOL_AND, \
+ &&lbl_BC_INST_ASSIGN_NO_VAL, &&lbl_BC_INST_NUM, \
+ &&lbl_BC_INST_VAR, &&lbl_BC_INST_ARRAY_ELEM, \
+ &&lbl_BC_INST_ARRAY, &&lbl_BC_INST_ZERO, \
+ &&lbl_BC_INST_ONE, &&lbl_BC_INST_IBASE, \
+ &&lbl_BC_INST_OBASE, &&lbl_BC_INST_SCALE, \
+ &&lbl_BC_INST_LENGTH, &&lbl_BC_INST_SCALE_FUNC, \
+ &&lbl_BC_INST_SQRT, &&lbl_BC_INST_ABS, \
+ &&lbl_BC_INST_IS_NUMBER, &&lbl_BC_INST_IS_STRING, \
+ &&lbl_BC_INST_ASCIIFY, &&lbl_BC_INST_READ, \
+ &&lbl_BC_INST_MAXIBASE, &&lbl_BC_INST_MAXOBASE, \
+ &&lbl_BC_INST_MAXSCALE, &&lbl_BC_INST_LINE_LENGTH, \
+ &&lbl_BC_INST_LEADING_ZERO, &&lbl_BC_INST_PRINT, \
+ &&lbl_BC_INST_PRINT_POP, &&lbl_BC_INST_STR, \
+ &&lbl_BC_INST_POP, &&lbl_BC_INST_SWAP, \
+ &&lbl_BC_INST_MODEXP, &&lbl_BC_INST_DIVMOD, \
+ &&lbl_BC_INST_PRINT_STREAM, &&lbl_BC_INST_EXTENDED_REGISTERS, \
+ &&lbl_BC_INST_POP_EXEC, &&lbl_BC_INST_EXECUTE, \
+ &&lbl_BC_INST_EXEC_COND, &&lbl_BC_INST_PRINT_STACK, \
+ &&lbl_BC_INST_CLEAR_STACK, &&lbl_BC_INST_REG_STACK_LEN, \
+ &&lbl_BC_INST_STACK_LEN, &&lbl_BC_INST_DUPLICATE, \
+ &&lbl_BC_INST_LOAD, &&lbl_BC_INST_PUSH_VAR, \
+ &&lbl_BC_INST_PUSH_TO_VAR, &&lbl_BC_INST_QUIT, \
+ &&lbl_BC_INST_NQUIT, &&lbl_BC_INST_EXEC_STACK_LEN, \
+ &&lbl_BC_INST_INVALID, \
}
#endif // BC_ENABLE_EXTRA_MATH