more dsn work
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823
pcbnew/dsn.cpp
823
pcbnew/dsn.cpp
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@ -24,396 +24,21 @@
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h> // bsearch()
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#include <cstdarg>
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#include <cstdio>
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#include <cstdlib> // bsearch()
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#include <cctype>
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#include "dsn.h"
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#include "fctsys.h"
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#include "pcbnew.h"
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//#include "common.h"
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namespace DSN {
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/**
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* Enum DSN_T
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* lists all the DSN lexer's tokens that are supported in lexing. It is up
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* to the parser if it wants also to support them.
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*/
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enum DSN_T {
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// the first few are special (the uppercase ones)
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T_QUOTE_DEF = -9,
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T_DASH = -8,
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T_SYMBOL = -7,
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T_NUMBER = -6,
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T_NONE = -5, // not a token
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T_RIGHT = -4, // right bracket, ')'
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T_LEFT = -3, // left bracket, '('
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T_STRING = -2, // a quoted string, stripped of the quotes
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T_EOF = -1, // special case for end of file
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// from here down, this list segment should be coordinated with the
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// const static KEYWORD tokens[] array below, and must be sorted
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// alphabetically.
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T_absolute, // this one should be == zero
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T_added,
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T_add_group,
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T_add_pins,
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T_allow_antenna,
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T_allow_redundant_wiring,
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T_amp,
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T_ancestor,
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T_antipad,
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T_aperture_type,
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T_array,
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T_attach,
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T_attr,
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T_average_pair_length,
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T_base_design,
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T_bbv_ctr2ctr,
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T_bond,
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T_bottom,
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T_bottom_layer_sel,
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T_boundary,
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T_brickpat,
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T_bundle,
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T_bypass,
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T_capacitance_resolution,
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T_capacitor,
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T_case_sensitive,
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T_cct1,
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T_cct1a,
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T_center_center,
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T_checking_trim_by_pin,
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T_circ,
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T_circle,
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T_circuit,
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T_class,
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T_class_class,
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T_classes,
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T_clear,
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T_clearance,
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T_cluster,
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T_cm,
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T_color,
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T_colors,
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T_comment,
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T_comp,
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T_comp_edge_center,
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T_component,
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T_comp_order,
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T_composite,
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T_conductance_resolution,
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T_conductor,
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T_conflict,
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T_connect,
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T_constant,
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T_contact,
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T_control,
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T_corner,
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T_corners,
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T_cost,
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T_created_time,
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T_cross,
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T_crosstalk_model,
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T_current_resolution,
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T_deleted_keepout,
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T_delete_pins,
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T_delta,
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T_direction,
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T_directory,
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T_effective_via_length,
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T_exclude,
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T_expose,
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T_extra_image_directory,
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T_family,
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T_family_family,
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T_family_family_spacing,
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T_farad,
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T_file,
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T_fit,
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T_fix,
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T_flip_style,
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T_floor_plan,
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T_footprint,
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T_forbidden,
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T_force_to_terminal_point,
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T_forgotten,
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T_fromto,
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T_front,
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T_front_only,
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T_gap,
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T_gates,
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T_global,
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T_grid,
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T_group,
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T_group_set,
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T_guide,
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T_hard,
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T_height,
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T_history,
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T_horizontal,
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T_host_cad,
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T_host_version,
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T_image,
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T_image_image,
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T_image_image_spacing,
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T_image_outline_clearance,
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T_image_type,
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T_inch,
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T_include,
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T_include_pins_in_crosstalk,
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T_inductance_resolution,
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T_insert,
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T_instcnfg,
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T_inter_layer_clearance,
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T_jumper,
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T_junction_type,
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T_keepout,
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T_kg,
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T_kohm,
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T_large,
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T_large_large,
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T_layer,
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T_layer_depth,
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T_layer_noise_weight,
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T_layer_pair,
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T_layer_rule,
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T_length,
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T_length_amplitude,
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T_length_factor,
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T_length_gap,
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T_library,
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T_library_out,
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T_limit,
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T_limit_bends,
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T_limit_crossing,
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T_limit_vias,
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T_limit_way,
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T_linear,
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T_linear_interpolation,
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T_load,
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T_lock_type,
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T_logical_part,
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T_logical_part_mapping,
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T_match_fromto_delay,
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T_match_fromto_length,
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T_match_group_delay,
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T_match_group_length,
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T_match_net_delay,
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T_match_net_length,
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T_max_delay,
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T_max_len,
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T_max_length,
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T_max_noise,
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T_max_restricted_layer_length,
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T_max_stagger,
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T_max_stub,
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T_max_total_delay,
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T_max_total_length,
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T_max_total_vias,
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T_mhenry,
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T_mho,
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T_microvia,
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T_mid_driven,
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T_mil,
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T_min_gap,
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T_mirror,
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T_mirror_first,
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T_mm,
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T_net,
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T_net_number,
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T_net_pin_changes,
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T_nets,
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T_network,
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T_network_out,
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T_no,
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T_noexpose,
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T_noise_accumulation,
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T_noise_calculation,
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T_object_type,
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T_off,
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T_off_grid,
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T_offset,
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T_on,
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T_open,
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T_opposite_side,
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T_order,
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T_outline,
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T_overlap,
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T_pad,
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T_pad_pad,
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T_padstack,
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T_pair,
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T_parallel,
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T_parallel_noise,
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T_parallel_segment,
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T_parser,
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T_part_library,
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T_path,
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T_pcb,
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T_permit_orient,
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T_permit_side,
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T_physical,
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T_physical_part_mapping,
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T_piggyback,
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T_pin,
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T_pin_allow,
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T_pin_cap_via,
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T_pins,
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T_pintype,
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T_pin_via_cap,
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T_pin_width_taper,
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T_place,
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T_place_boundary,
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T_place_control,
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T_placement,
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T_place_rule,
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T_plan,
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T_plane,
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T_PN,
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T_point,
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T_polygon,
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T_position,
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T_power,
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T_power_dissipation,
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T_power_fanout,
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T_prefix,
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T_primary,
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T_priority,
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T_property,
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T_qarc,
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T_quarter,
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T_radius,
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T_ratio,
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T_ratio_tolerance,
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T_rect,
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T_reduced,
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T_region,
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T_region_class,
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T_region_class_class,
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T_region_net,
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T_relative_delay,
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T_relative_group_delay,
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T_relative_group_length,
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T_relative_length,
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T_reorder,
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T_reroute_order_viols,
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T_resistance_resolution,
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T_resolution,
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T_restricted_layer_length_factor,
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T_room,
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T_rotate,
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T_rotate_first,
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T_round,
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T_roundoff_rotation,
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T_route,
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T_routes,
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T_routes_include,
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T_route_to_fanout_only,
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T_rule,
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T_same_net_checking,
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T_sample_window,
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T_saturation_length,
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T_sec,
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T_secondary,
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T_self,
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T_sequence_number,
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T_session,
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T_set_color,
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T_set_pattern,
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T_shape,
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T_shield,
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T_shield_gap,
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T_shield_loop,
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T_shield_tie_down_interval,
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T_shield_width,
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T_side,
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T_signal,
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T_site,
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T_smd,
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T_snap_angle,
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T_source,
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T_space_in_quoted_tokens,
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T_spacing,
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T_spare,
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T_spiral_via,
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T_stack_via,
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T_stack_via_depth,
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T_standard,
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T_starburst,
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T_status,
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T_string_quote,
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T_structure,
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T_structure_out,
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T_subgates,
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T_such,
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T_suffix,
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T_super_placement,
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T_supply,
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T_supply_pin,
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T_swapping,
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T_switch_window,
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T_system,
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T_tandem_noise,
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T_tandem_segment,
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T_tandem_shield_overhang,
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T_terminal,
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T_terminator,
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T_term_only,
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T_test,
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T_testpoint,
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T_test_points,
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T_threshold,
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T_time_length_factor,
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T_time_resolution,
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T_tjunction,
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T_tolerance,
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T_top,
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T_topology,
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T_total,
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T_track_id,
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T_turret,
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T_type,
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T_um,
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T_unassigned,
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T_unconnects,
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T_unit,
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T_up,
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T_use_array,
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T_use_layer,
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T_use_net,
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T_use_via,
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T_value,
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T_via,
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T_via_array_template,
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T_via_at_smd,
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T_via_keepout,
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T_via_number,
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T_via_rotate_first,
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T_via_site,
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T_via_size,
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T_virtual_pin,
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T_volt,
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T_voltage_resolution,
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T_was_is,
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T_way,
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T_weight,
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T_width,
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T_window,
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T_wire,
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T_wires,
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T_wires_include,
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T_wiring,
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T_write_resolution,
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T_x,
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T_END // just a sentinel, not a token
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};
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/**
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* Struct KEYWORD
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* holds a string and a DSN_T
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@ -795,88 +420,7 @@ static int compare( const void* a1, const void* a2 )
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}
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struct IOError
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{
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wxString errorText;
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IOError( const wxChar* aMsg ) :
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errorText( aMsg )
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{
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}
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IOError( const wxString& aMsg ) :
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errorText( aMsg )
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{
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}
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};
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/**
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* Class LINE_READER
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* reads single lines of text into its buffer and increments a line number counter.
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* It throws an exception if a line is too long.
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*/
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class LINE_READER
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{
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protected:
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FILE* fp;
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int lineNum;
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unsigned maxLineLength;
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unsigned length;
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char* line;
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unsigned capacity;
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public:
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/**
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* Constructor LINE_READER
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* takes an open FILE and the size of the desired line buffer.
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* @param aFile An open file in "ascii" mode, not binary mode.
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* @param aMaxLineLength The number of bytes to use in the line buffer.
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*/
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LINE_READER( FILE* aFile, unsigned aMaxLineLength );
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~LINE_READER()
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{
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delete[] line;
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}
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/*
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int CharAt( int aNdx )
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{
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if( (unsigned) aNdx < capacity )
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return (char) (unsigned char) line[aNdx];
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return -1;
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}
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*/
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/**
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* Function ReadLine
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* reads a line of text into the buffer and increments the line number
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* counter. If the line is larger than the buffer size, then an exception
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* is thrown.
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* @return int - The number of bytes read, 0 at end of file.
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* @throw IOError only when a line is too long.
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*/
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int ReadLine() throw (IOError);
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operator char* ()
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{
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return line;
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}
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int LineNumber()
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{
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return lineNum;
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}
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unsigned Length()
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{
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return length;
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}
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};
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//-----<LINE_READER>------------------------------------------------------
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LINE_READER::LINE_READER( FILE* aFile, unsigned aMaxLineLength )
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{
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@ -917,155 +461,39 @@ int LINE_READER::ReadLine() throw (IOError)
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}
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/**
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* Class LEXER
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* reads lexical tokens from the current LINE_READER through the NextTok()
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* function. The NextTok() function returns one of the DSN_T values.
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*/
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class LEXER
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//-----<LEXER>-------------------------------------------------------------
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int LEXER::findToken( const std::string& tok )
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{
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char* head;
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// convert to lower case once, this should be faster than using strcasecmp()
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// for each test in compare().
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lowercase.clear();
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char* cur;
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char* start;
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char* limit;
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for( std::string::const_iterator iter = tok.begin(); iter!=tok.end(); ++iter )
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lowercase += (char) tolower( *iter );
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LINE_READER reader;
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int stringDelimiter;
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wxString filename;
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int lastTok; ///< curTok from previous NextTok() call.
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KEYWORD search;
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search.name = lowercase.c_str();
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DSN_T curTok; ///< the current token obtained on last NextTok()
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std::string curText; ///< the text of the current token
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std::string lowercase; ///< a scratch buf holding token in lowercase
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int readLine() throw (IOError)
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{
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int len = reader.ReadLine();
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cur = start;
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limit = start + len;
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return len;
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}
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/**
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* Function findToken
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* takes a string and looks up the string in the list of expected
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* tokens.
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*
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* @param tok A string holding the token text to lookup, in an
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* unpredictable case: uppercase or lowercase
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* @return int - DSN_T or -1 if argument string is not a recognized token.
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*/
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int findToken( const std::string& tok )
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{
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// convert to lower case once, this should be faster than using strcasecmp()
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// for each test in compare().
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lowercase.clear();
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for( std::string::const_iterator iter = tok.begin(); iter!=tok.end(); ++iter )
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lowercase += (char) tolower( *iter );
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|
||||
KEYWORD search;
|
||||
search.name = lowercase.c_str();
|
||||
|
||||
const KEYWORD* findings = (const KEYWORD*) bsearch( &search,
|
||||
tokens, sizeof(tokens)/sizeof(tokens[0]),
|
||||
sizeof(KEYWORD), compare );
|
||||
if( findings )
|
||||
return findings->token;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
public:
|
||||
LEXER( FILE* aFile, const wxString& aFilename ) :
|
||||
reader( aFile, 4096 )
|
||||
{
|
||||
curTok = T_NONE;
|
||||
stringDelimiter = '"';
|
||||
filename = aFilename;
|
||||
|
||||
// "start" should never change until we change the reader. The DSN
|
||||
// format spec supports an include file mechanism but we can add that later
|
||||
// using a std::stack to hold a stack of LINE_READERs to track nesting.
|
||||
start = (char*) reader;
|
||||
|
||||
limit = start;
|
||||
cur = start;
|
||||
head = start;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function SetStringDelimiter
|
||||
* changes the string delimiter from the default " to some other character
|
||||
* and returns the old value.
|
||||
* @param aStringDelimiter The character in lowest 8 bits.
|
||||
* @return int - The old delimiter in the lowest 8 bits.
|
||||
*/
|
||||
int SetStringDelimiter( int aStringDelimiter )
|
||||
{
|
||||
int old = stringDelimiter;
|
||||
stringDelimiter = aStringDelimiter;
|
||||
return old;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function NextTok
|
||||
* returns the next token found in the input file or T_EOF when reaching
|
||||
* the end of file.
|
||||
* @return DSN_T - the type of token found next.
|
||||
* @throw IOError - only if the LINE_READER throws it.
|
||||
*/
|
||||
DSN_T NextTok() throw (IOError);
|
||||
|
||||
|
||||
/**
|
||||
* Function ThrowIOError
|
||||
* encapsulates the formatting of an error message which contains the exact
|
||||
* location within the input file of a lexical error.
|
||||
*/
|
||||
void ThrowIOError( wxString aText, int charOffset ) throw (IOError)
|
||||
{
|
||||
aText << wxT(" ") << _("in file") << wxT(" \"") << filename
|
||||
<< wxT("\" ") << _("on line") << wxT(" ") << reader.LineNumber()
|
||||
<< wxT(" ") << _("at offset") << wxT(" ") << charOffset;
|
||||
|
||||
throw IOError( aText );
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Function CurText
|
||||
* returns a pointer to the current token's text.
|
||||
*/
|
||||
const char* CurText()
|
||||
{
|
||||
return curText.c_str();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Function CurTok
|
||||
* returns whatever NextTok() returned the last time it was called.
|
||||
*/
|
||||
DSN_T CurTok()
|
||||
{
|
||||
return curTok;
|
||||
}
|
||||
|
||||
};
|
||||
const KEYWORD* findings = (const KEYWORD*) bsearch( &search,
|
||||
tokens, sizeof(tokens)/sizeof(tokens[0]),
|
||||
sizeof(KEYWORD), compare );
|
||||
if( findings )
|
||||
return findings->token;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
DSN_T LEXER::NextTok() throw (IOError)
|
||||
{
|
||||
char* head;
|
||||
char* cur;
|
||||
|
||||
lastTok = curTok;
|
||||
|
||||
cur = head;
|
||||
cur = next;
|
||||
|
||||
if( curTok != T_EOF )
|
||||
{
|
||||
|
@ -1078,6 +506,8 @@ L_read:
|
|||
curTok = T_EOF;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
cur = next;
|
||||
}
|
||||
|
||||
// skip leading whitespace
|
||||
|
@ -1087,126 +517,125 @@ L_read:
|
|||
if( cur >= limit )
|
||||
goto L_read;
|
||||
|
||||
else
|
||||
// switching the string_quote character
|
||||
if( lastTok == T_string_quote )
|
||||
{
|
||||
// switching the string_quote character
|
||||
if( lastTok == T_string_quote )
|
||||
{
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
|
||||
head = cur+1;
|
||||
|
||||
if( head<limit && *head!=')' && *head!='(' && !isspace(*head) )
|
||||
{
|
||||
wxString errtxt(_("String delimiter char must be a single char") );
|
||||
ThrowIOError( errtxt, cur-start+1 );
|
||||
}
|
||||
|
||||
curTok = T_QUOTE_DEF;
|
||||
}
|
||||
|
||||
else if( *cur == '(' )
|
||||
{
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
|
||||
curTok = T_LEFT;
|
||||
head = cur+1;
|
||||
}
|
||||
|
||||
else if( *cur == ')' )
|
||||
{
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
|
||||
curTok = T_RIGHT;
|
||||
head = cur+1;
|
||||
}
|
||||
|
||||
// handle T_DASH or T_NUMBER
|
||||
else if( strchr( "+-.0123456789", *cur ) )
|
||||
{
|
||||
if( *cur=='-' && !strchr( ".0123456789", *(cur+1) ) )
|
||||
{
|
||||
head = cur+1;
|
||||
|
||||
if( head<limit && *head!=')' && *head!='(' && !isspace(*head) )
|
||||
{
|
||||
wxString errtxt(_("String delimiter char must be a single char") );
|
||||
ThrowIOError( errtxt, cur-start+1 );
|
||||
}
|
||||
|
||||
curTok = T_QUOTE_DEF;
|
||||
}
|
||||
|
||||
// a quoted string
|
||||
else if( *cur == stringDelimiter )
|
||||
{
|
||||
++cur; // skip over the leading "
|
||||
|
||||
head = cur;
|
||||
|
||||
while( head<limit && *head!=stringDelimiter )
|
||||
++head;
|
||||
|
||||
if( head >= limit )
|
||||
{
|
||||
wxString errtxt(_("Un-terminated delimited string") );
|
||||
ThrowIOError( errtxt, cur-start+1 );
|
||||
}
|
||||
|
||||
curText.clear();
|
||||
curText.append( cur, head );
|
||||
|
||||
++head; // skip over the trailing delimiter
|
||||
|
||||
curTok = T_STRING;
|
||||
}
|
||||
|
||||
else if( *cur == '(' )
|
||||
{
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
|
||||
curTok = T_LEFT;
|
||||
head = cur+1;
|
||||
curTok = T_DASH;
|
||||
}
|
||||
|
||||
else if( *cur == ')' )
|
||||
{
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
|
||||
curTok = T_RIGHT;
|
||||
head = cur+1;
|
||||
}
|
||||
|
||||
// handle T_DASH or T_NUMBER
|
||||
else if( strchr( "+-.0123456789", *cur ) )
|
||||
{
|
||||
if( *cur=='-' && !strchr( ".0123456789", *(cur+1) ) )
|
||||
{
|
||||
head = cur+1;
|
||||
|
||||
curText.clear();
|
||||
curText += *cur;
|
||||
curTok = T_DASH;
|
||||
}
|
||||
else
|
||||
{
|
||||
head = cur+1;
|
||||
while( head<limit && strchr( ".0123456789", *head ) )
|
||||
++head;
|
||||
|
||||
curText.clear();
|
||||
curText.append( cur, head );
|
||||
curTok = T_NUMBER;
|
||||
}
|
||||
}
|
||||
|
||||
// a token we hope to find in the tokens[] array. If not, then
|
||||
// call it a T_SYMBOL.
|
||||
else
|
||||
{
|
||||
head = cur+1;
|
||||
while( head<limit && !isspace( *head ) && *head!=')' && *head!='(' )
|
||||
while( head<limit && strchr( ".0123456789", *head ) )
|
||||
++head;
|
||||
|
||||
curText.clear();
|
||||
curText.append( cur, head );
|
||||
curTok = T_NUMBER;
|
||||
}
|
||||
}
|
||||
|
||||
int found = findToken( curText );
|
||||
// a quoted string
|
||||
else if( *cur == stringDelimiter )
|
||||
{
|
||||
++cur; // skip over the leading "
|
||||
|
||||
if( found != -1 )
|
||||
curTok = (DSN_T) found;
|
||||
head = cur;
|
||||
|
||||
else // unrecogized token
|
||||
{
|
||||
curTok = T_SYMBOL;
|
||||
while( head<limit && *head!=stringDelimiter )
|
||||
++head;
|
||||
|
||||
/*
|
||||
wxString errTxt( CONV_FROM_UTF8( curText.c_str() ) );
|
||||
errTxt << wxT(" ") << _("is an unrecognized token");
|
||||
ThrowIOError( errTxt, cur-start+1 );
|
||||
*/
|
||||
}
|
||||
if( head >= limit )
|
||||
{
|
||||
wxString errtxt(_("Un-terminated delimited string") );
|
||||
ThrowIOError( errtxt, cur-start+1 );
|
||||
}
|
||||
|
||||
curText.clear();
|
||||
curText.append( cur, head );
|
||||
|
||||
++head; // skip over the trailing delimiter
|
||||
|
||||
curTok = T_STRING;
|
||||
}
|
||||
|
||||
// a token we hope to find in the tokens[] array. If not, then
|
||||
// call it a T_SYMBOL.
|
||||
else
|
||||
{
|
||||
head = cur+1;
|
||||
while( head<limit && !isspace( *head ) && *head!=')' && *head!='(' )
|
||||
++head;
|
||||
|
||||
curText.clear();
|
||||
curText.append( cur, head );
|
||||
|
||||
int found = findToken( curText );
|
||||
|
||||
if( found != -1 )
|
||||
curTok = (DSN_T) found;
|
||||
|
||||
else // unrecogized token
|
||||
{
|
||||
curTok = T_SYMBOL;
|
||||
|
||||
/*
|
||||
wxString errTxt( CONV_FROM_UTF8( curText.c_str() ) );
|
||||
errTxt << wxT(" ") << _("is an unrecognized token");
|
||||
ThrowIOError( errTxt, cur-start+1 );
|
||||
*/
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
exit:
|
||||
exit: // single point of exit
|
||||
|
||||
next = head;
|
||||
|
||||
return curTok;
|
||||
}
|
||||
|
||||
|
||||
|
||||
} // namespace DSN
|
||||
|
||||
|
||||
|
|
|
@ -0,0 +1,627 @@
|
|||
/*
|
||||
* This program source code file is part of KICAD, a free EDA CAD application.
|
||||
*
|
||||
* Copyright (C) 2007 Dick Hollenbeck, dick@softplc.com
|
||||
* Copyright (C) 2007 Kicad Developers, see change_log.txt for contributors.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, you may find one here:
|
||||
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
||||
* or you may search the http://www.gnu.org website for the version 2 license,
|
||||
* or you may write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
||||
*/
|
||||
|
||||
#ifndef _DSN_H
|
||||
#define _DSN_H
|
||||
|
||||
#include <cstdio>
|
||||
|
||||
#include "fctsys.h"
|
||||
#include "pcbnew.h"
|
||||
|
||||
|
||||
namespace DSN {
|
||||
|
||||
|
||||
/**
|
||||
* Enum DSN_T
|
||||
* lists all the DSN lexer's tokens that are supported in lexing. It is up
|
||||
* to the parser if it wants also to support them.
|
||||
*/
|
||||
enum DSN_T {
|
||||
|
||||
// the first few are special (the uppercase ones)
|
||||
T_QUOTE_DEF = -9,
|
||||
T_DASH = -8,
|
||||
T_SYMBOL = -7,
|
||||
T_NUMBER = -6,
|
||||
T_NONE = -5, // not a token
|
||||
T_RIGHT = -4, // right bracket, ')'
|
||||
T_LEFT = -3, // left bracket, '('
|
||||
T_STRING = -2, // a quoted string, stripped of the quotes
|
||||
T_EOF = -1, // special case for end of file
|
||||
|
||||
// from here down, this list segment should be coordinated with the
|
||||
// const static KEYWORD tokens[] array below, and must be sorted
|
||||
// alphabetically.
|
||||
|
||||
T_absolute, // this one should be == zero
|
||||
T_added,
|
||||
T_add_group,
|
||||
T_add_pins,
|
||||
T_allow_antenna,
|
||||
T_allow_redundant_wiring,
|
||||
T_amp,
|
||||
T_ancestor,
|
||||
T_antipad,
|
||||
T_aperture_type,
|
||||
T_array,
|
||||
T_attach,
|
||||
T_attr,
|
||||
T_average_pair_length,
|
||||
T_base_design,
|
||||
T_bbv_ctr2ctr,
|
||||
T_bond,
|
||||
T_bottom,
|
||||
T_bottom_layer_sel,
|
||||
T_boundary,
|
||||
T_brickpat,
|
||||
T_bundle,
|
||||
T_bypass,
|
||||
T_capacitance_resolution,
|
||||
T_capacitor,
|
||||
T_case_sensitive,
|
||||
T_cct1,
|
||||
T_cct1a,
|
||||
T_center_center,
|
||||
T_checking_trim_by_pin,
|
||||
T_circ,
|
||||
T_circle,
|
||||
T_circuit,
|
||||
T_class,
|
||||
T_class_class,
|
||||
T_classes,
|
||||
T_clear,
|
||||
T_clearance,
|
||||
T_cluster,
|
||||
T_cm,
|
||||
T_color,
|
||||
T_colors,
|
||||
T_comment,
|
||||
T_comp,
|
||||
T_comp_edge_center,
|
||||
T_component,
|
||||
T_comp_order,
|
||||
T_composite,
|
||||
T_conductance_resolution,
|
||||
T_conductor,
|
||||
T_conflict,
|
||||
T_connect,
|
||||
T_constant,
|
||||
T_contact,
|
||||
T_control,
|
||||
T_corner,
|
||||
T_corners,
|
||||
T_cost,
|
||||
T_created_time,
|
||||
T_cross,
|
||||
T_crosstalk_model,
|
||||
T_current_resolution,
|
||||
T_deleted_keepout,
|
||||
T_delete_pins,
|
||||
T_delta,
|
||||
T_direction,
|
||||
T_directory,
|
||||
T_effective_via_length,
|
||||
T_exclude,
|
||||
T_expose,
|
||||
T_extra_image_directory,
|
||||
T_family,
|
||||
T_family_family,
|
||||
T_family_family_spacing,
|
||||
T_farad,
|
||||
T_file,
|
||||
T_fit,
|
||||
T_fix,
|
||||
T_flip_style,
|
||||
T_floor_plan,
|
||||
T_footprint,
|
||||
T_forbidden,
|
||||
T_force_to_terminal_point,
|
||||
T_forgotten,
|
||||
T_fromto,
|
||||
T_front,
|
||||
T_front_only,
|
||||
T_gap,
|
||||
T_gates,
|
||||
T_global,
|
||||
T_grid,
|
||||
T_group,
|
||||
T_group_set,
|
||||
T_guide,
|
||||
T_hard,
|
||||
T_height,
|
||||
T_history,
|
||||
T_horizontal,
|
||||
T_host_cad,
|
||||
T_host_version,
|
||||
T_image,
|
||||
T_image_image,
|
||||
T_image_image_spacing,
|
||||
T_image_outline_clearance,
|
||||
T_image_type,
|
||||
T_inch,
|
||||
T_include,
|
||||
T_include_pins_in_crosstalk,
|
||||
T_inductance_resolution,
|
||||
T_insert,
|
||||
T_instcnfg,
|
||||
T_inter_layer_clearance,
|
||||
T_jumper,
|
||||
T_junction_type,
|
||||
T_keepout,
|
||||
T_kg,
|
||||
T_kohm,
|
||||
T_large,
|
||||
T_large_large,
|
||||
T_layer,
|
||||
T_layer_depth,
|
||||
T_layer_noise_weight,
|
||||
T_layer_pair,
|
||||
T_layer_rule,
|
||||
T_length,
|
||||
T_length_amplitude,
|
||||
T_length_factor,
|
||||
T_length_gap,
|
||||
T_library,
|
||||
T_library_out,
|
||||
T_limit,
|
||||
T_limit_bends,
|
||||
T_limit_crossing,
|
||||
T_limit_vias,
|
||||
T_limit_way,
|
||||
T_linear,
|
||||
T_linear_interpolation,
|
||||
T_load,
|
||||
T_lock_type,
|
||||
T_logical_part,
|
||||
T_logical_part_mapping,
|
||||
T_match_fromto_delay,
|
||||
T_match_fromto_length,
|
||||
T_match_group_delay,
|
||||
T_match_group_length,
|
||||
T_match_net_delay,
|
||||
T_match_net_length,
|
||||
T_max_delay,
|
||||
T_max_len,
|
||||
T_max_length,
|
||||
T_max_noise,
|
||||
T_max_restricted_layer_length,
|
||||
T_max_stagger,
|
||||
T_max_stub,
|
||||
T_max_total_delay,
|
||||
T_max_total_length,
|
||||
T_max_total_vias,
|
||||
T_mhenry,
|
||||
T_mho,
|
||||
T_microvia,
|
||||
T_mid_driven,
|
||||
T_mil,
|
||||
T_min_gap,
|
||||
T_mirror,
|
||||
T_mirror_first,
|
||||
T_mm,
|
||||
T_net,
|
||||
T_net_number,
|
||||
T_net_pin_changes,
|
||||
T_nets,
|
||||
T_network,
|
||||
T_network_out,
|
||||
T_no,
|
||||
T_noexpose,
|
||||
T_noise_accumulation,
|
||||
T_noise_calculation,
|
||||
T_object_type,
|
||||
T_off,
|
||||
T_off_grid,
|
||||
T_offset,
|
||||
T_on,
|
||||
T_open,
|
||||
T_opposite_side,
|
||||
T_order,
|
||||
T_outline,
|
||||
T_overlap,
|
||||
T_pad,
|
||||
T_pad_pad,
|
||||
T_padstack,
|
||||
T_pair,
|
||||
T_parallel,
|
||||
T_parallel_noise,
|
||||
T_parallel_segment,
|
||||
T_parser,
|
||||
T_part_library,
|
||||
T_path,
|
||||
T_pcb,
|
||||
T_permit_orient,
|
||||
T_permit_side,
|
||||
T_physical,
|
||||
T_physical_part_mapping,
|
||||
T_piggyback,
|
||||
T_pin,
|
||||
T_pin_allow,
|
||||
T_pin_cap_via,
|
||||
T_pins,
|
||||
T_pintype,
|
||||
T_pin_via_cap,
|
||||
T_pin_width_taper,
|
||||
T_place,
|
||||
T_place_boundary,
|
||||
T_place_control,
|
||||
T_placement,
|
||||
T_place_rule,
|
||||
T_plan,
|
||||
T_plane,
|
||||
T_PN,
|
||||
T_point,
|
||||
T_polygon,
|
||||
T_position,
|
||||
T_power,
|
||||
T_power_dissipation,
|
||||
T_power_fanout,
|
||||
T_prefix,
|
||||
T_primary,
|
||||
T_priority,
|
||||
T_property,
|
||||
T_qarc,
|
||||
T_quarter,
|
||||
T_radius,
|
||||
T_ratio,
|
||||
T_ratio_tolerance,
|
||||
T_rect,
|
||||
T_reduced,
|
||||
T_region,
|
||||
T_region_class,
|
||||
T_region_class_class,
|
||||
T_region_net,
|
||||
T_relative_delay,
|
||||
T_relative_group_delay,
|
||||
T_relative_group_length,
|
||||
T_relative_length,
|
||||
T_reorder,
|
||||
T_reroute_order_viols,
|
||||
T_resistance_resolution,
|
||||
T_resolution,
|
||||
T_restricted_layer_length_factor,
|
||||
T_room,
|
||||
T_rotate,
|
||||
T_rotate_first,
|
||||
T_round,
|
||||
T_roundoff_rotation,
|
||||
T_route,
|
||||
T_routes,
|
||||
T_routes_include,
|
||||
T_route_to_fanout_only,
|
||||
T_rule,
|
||||
T_same_net_checking,
|
||||
T_sample_window,
|
||||
T_saturation_length,
|
||||
T_sec,
|
||||
T_secondary,
|
||||
T_self,
|
||||
T_sequence_number,
|
||||
T_session,
|
||||
T_set_color,
|
||||
T_set_pattern,
|
||||
T_shape,
|
||||
T_shield,
|
||||
T_shield_gap,
|
||||
T_shield_loop,
|
||||
T_shield_tie_down_interval,
|
||||
T_shield_width,
|
||||
T_side,
|
||||
T_signal,
|
||||
T_site,
|
||||
T_smd,
|
||||
T_snap_angle,
|
||||
T_source,
|
||||
T_space_in_quoted_tokens,
|
||||
T_spacing,
|
||||
T_spare,
|
||||
T_spiral_via,
|
||||
T_stack_via,
|
||||
T_stack_via_depth,
|
||||
T_standard,
|
||||
T_starburst,
|
||||
T_status,
|
||||
T_string_quote,
|
||||
T_structure,
|
||||
T_structure_out,
|
||||
T_subgates,
|
||||
T_such,
|
||||
T_suffix,
|
||||
T_super_placement,
|
||||
T_supply,
|
||||
T_supply_pin,
|
||||
T_swapping,
|
||||
T_switch_window,
|
||||
T_system,
|
||||
T_tandem_noise,
|
||||
T_tandem_segment,
|
||||
T_tandem_shield_overhang,
|
||||
T_terminal,
|
||||
T_terminator,
|
||||
T_term_only,
|
||||
T_test,
|
||||
T_testpoint,
|
||||
T_test_points,
|
||||
T_threshold,
|
||||
T_time_length_factor,
|
||||
T_time_resolution,
|
||||
T_tjunction,
|
||||
T_tolerance,
|
||||
T_top,
|
||||
T_topology,
|
||||
T_total,
|
||||
T_track_id,
|
||||
T_turret,
|
||||
T_type,
|
||||
T_um,
|
||||
T_unassigned,
|
||||
T_unconnects,
|
||||
T_unit,
|
||||
T_up,
|
||||
T_use_array,
|
||||
T_use_layer,
|
||||
T_use_net,
|
||||
T_use_via,
|
||||
T_value,
|
||||
T_via,
|
||||
T_via_array_template,
|
||||
T_via_at_smd,
|
||||
T_via_keepout,
|
||||
T_via_number,
|
||||
T_via_rotate_first,
|
||||
T_via_site,
|
||||
T_via_size,
|
||||
T_virtual_pin,
|
||||
T_volt,
|
||||
T_voltage_resolution,
|
||||
T_was_is,
|
||||
T_way,
|
||||
T_weight,
|
||||
T_width,
|
||||
T_window,
|
||||
T_wire,
|
||||
T_wires,
|
||||
T_wires_include,
|
||||
T_wiring,
|
||||
T_write_resolution,
|
||||
T_x,
|
||||
T_END // just a sentinel, not a token
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Struct IOError
|
||||
* is a class used to hold an error message and may be thrown from the LEXER.
|
||||
*/
|
||||
struct IOError
|
||||
{
|
||||
wxString errorText;
|
||||
|
||||
IOError( const wxChar* aMsg ) :
|
||||
errorText( aMsg )
|
||||
{
|
||||
}
|
||||
|
||||
IOError( const wxString& aMsg ) :
|
||||
errorText( aMsg )
|
||||
{
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Class LINE_READER
|
||||
* reads single lines of text into its buffer and increments a line number counter.
|
||||
* It throws an exception if a line is too long.
|
||||
*/
|
||||
class LINE_READER
|
||||
{
|
||||
protected:
|
||||
|
||||
FILE* fp;
|
||||
int lineNum;
|
||||
unsigned maxLineLength;
|
||||
unsigned length;
|
||||
char* line;
|
||||
unsigned capacity;
|
||||
|
||||
public:
|
||||
|
||||
/**
|
||||
* Constructor LINE_READER
|
||||
* takes an open FILE and the size of the desired line buffer.
|
||||
* @param aFile An open file in "ascii" mode, not binary mode.
|
||||
* @param aMaxLineLength The number of bytes to use in the line buffer.
|
||||
*/
|
||||
LINE_READER( FILE* aFile, unsigned aMaxLineLength );
|
||||
|
||||
~LINE_READER()
|
||||
{
|
||||
delete[] line;
|
||||
}
|
||||
|
||||
/*
|
||||
int CharAt( int aNdx )
|
||||
{
|
||||
if( (unsigned) aNdx < capacity )
|
||||
return (char) (unsigned char) line[aNdx];
|
||||
return -1;
|
||||
}
|
||||
*/
|
||||
|
||||
/**
|
||||
* Function ReadLine
|
||||
* reads a line of text into the buffer and increments the line number
|
||||
* counter. If the line is larger than the buffer size, then an exception
|
||||
* is thrown.
|
||||
* @return int - The number of bytes read, 0 at end of file.
|
||||
* @throw IOError only when a line is too long.
|
||||
*/
|
||||
int ReadLine() throw (IOError);
|
||||
|
||||
operator char* ()
|
||||
{
|
||||
return line;
|
||||
}
|
||||
|
||||
int LineNumber()
|
||||
{
|
||||
return lineNum;
|
||||
}
|
||||
|
||||
unsigned Length()
|
||||
{
|
||||
return length;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Class LEXER
|
||||
* reads lexical tokens from the current LINE_READER through the NextTok()
|
||||
* function. The NextTok() function returns one of the DSN_T values.
|
||||
*/
|
||||
class LEXER
|
||||
{
|
||||
char* next;
|
||||
char* start;
|
||||
char* limit;
|
||||
|
||||
LINE_READER reader;
|
||||
int stringDelimiter;
|
||||
wxString filename;
|
||||
int lastTok; ///< curTok from previous NextTok() call.
|
||||
|
||||
DSN_T curTok; ///< the current token obtained on last NextTok()
|
||||
std::string curText; ///< the text of the current token
|
||||
std::string lowercase; ///< a scratch buf holding token in lowercase
|
||||
|
||||
|
||||
int readLine() throw (IOError)
|
||||
{
|
||||
int len = reader.ReadLine();
|
||||
|
||||
next = start;
|
||||
limit = start + len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Function findToken
|
||||
* takes a string and looks up the string in the list of expected
|
||||
* tokens.
|
||||
*
|
||||
* @param tok A string holding the token text to lookup, in an
|
||||
* unpredictable case: uppercase or lowercase
|
||||
* @return int - DSN_T or -1 if argument string is not a recognized token.
|
||||
*/
|
||||
int findToken( const std::string& tok );
|
||||
|
||||
|
||||
public:
|
||||
LEXER( FILE* aFile, const wxString& aFilename ) :
|
||||
reader( aFile, 4096 )
|
||||
{
|
||||
curTok = T_NONE;
|
||||
stringDelimiter = '"';
|
||||
filename = aFilename;
|
||||
|
||||
// "start" should never change until we change the reader. The DSN
|
||||
// format spec supports an include file mechanism but we can add that later
|
||||
// using a std::stack to hold a stack of LINE_READERs to track nesting.
|
||||
start = (char*) reader;
|
||||
|
||||
limit = start;
|
||||
next = start;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function SetStringDelimiter
|
||||
* changes the string delimiter from the default " to some other character
|
||||
* and returns the old value.
|
||||
* @param aStringDelimiter The character in lowest 8 bits.
|
||||
* @return int - The old delimiter in the lowest 8 bits.
|
||||
*/
|
||||
int SetStringDelimiter( int aStringDelimiter )
|
||||
{
|
||||
int old = stringDelimiter;
|
||||
stringDelimiter = aStringDelimiter;
|
||||
return old;
|
||||
}
|
||||
|
||||
/**
|
||||
* Function NextTok
|
||||
* returns the next token found in the input file or T_EOF when reaching
|
||||
* the end of file.
|
||||
* @return DSN_T - the type of token found next.
|
||||
* @throw IOError - only if the LINE_READER throws it.
|
||||
*/
|
||||
DSN_T NextTok() throw (IOError);
|
||||
|
||||
|
||||
/**
|
||||
* Function ThrowIOError
|
||||
* encapsulates the formatting of an error message which contains the exact
|
||||
* location within the input file of a lexical error.
|
||||
*/
|
||||
void ThrowIOError( wxString aText, int charOffset ) throw (IOError)
|
||||
{
|
||||
aText << wxT(" ") << _("in file") << wxT(" \"") << filename
|
||||
<< wxT("\" ") << _("on line") << wxT(" ") << reader.LineNumber()
|
||||
<< wxT(" ") << _("at offset") << wxT(" ") << charOffset;
|
||||
|
||||
throw IOError( aText );
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Function CurText
|
||||
* returns a pointer to the current token's text.
|
||||
*/
|
||||
const char* CurText()
|
||||
{
|
||||
return curText.c_str();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Function CurTok
|
||||
* returns whatever NextTok() returned the last time it was called.
|
||||
*/
|
||||
DSN_T CurTok()
|
||||
{
|
||||
return curTok;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
} // namespace DSN
|
||||
|
||||
#endif // _DSN_H
|
Loading…
Reference in New Issue