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61 lines
1.9 KiB
61 lines
1.9 KiB
// Input functions.
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#ifndef _CL_INPUT_H
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#define _CL_INPUT_H
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#include "cln/types.h"
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#include "cln/floatformat.h"
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#include "cln/io.h"
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namespace cln {
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struct cl_read_float_flags {
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// The float format used when reading floats with exponent marker 'E'.
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float_format_t default_float_format;
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// The float format used when reading floats with exponent marker 'L'.
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float_format_t default_lfloat_format;
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// Flag whether floats specified with more digits than corresponding
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// to the exponent marker they contain, but without _nnn suffix, will
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// get a precision corresponding to their number of significant digits.
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cl_boolean mantissa_dependent_float_format;
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};
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// Specifies the possible results of a read operation.
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enum cl_read_syntax_t {
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syntax_integer = 1 << 0, // -> cl_I
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syntax_ratio = 1 << 1, // -> cl_RA
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syntax_rational = syntax_integer | syntax_ratio, // -> cl_RA
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syntax_sfloat = 1 << 2, // -> cl_SF
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syntax_ffloat = 1 << 3, // -> cl_FF
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syntax_dfloat = 1 << 4, // -> cl_DF
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syntax_lfloat = 1 << 5, // -> cl_LF
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syntax_float = syntax_sfloat | syntax_ffloat | syntax_dfloat | syntax_lfloat,
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// -> cl_F
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syntax_real = syntax_rational | syntax_float, // -> cl_R
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syntax_complex = 1 << 6, // -> cl_N
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syntax_number = syntax_real | syntax_complex, // -> cl_N
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syntax_maybe_bad = 1 << 7 // avoid errors
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};
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// Specifies the syntax to be applied to a read operation.
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enum cl_read_lsyntax_t {
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// Standard algebraic notation.
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lsyntax_standard = 0,
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// Extended algebraic notation: x+yi
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lsyntax_algebraic = 1 << 0,
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// Common Lisp notation: #b, #o, #x, #r, #c
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lsyntax_commonlisp = 1 << 1,
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// All of them.
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lsyntax_all = lsyntax_algebraic | lsyntax_commonlisp
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};
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struct cl_read_flags {
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cl_read_syntax_t syntax;
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cl_read_lsyntax_t lsyntax;
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unsigned int rational_base;
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cl_read_float_flags float_flags;
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};
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} // namespace cln
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#endif /* _CL_INPUT_H */
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