mirror of https://git.wuffs.org/MWCC
79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
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#include "compiler/Switch.h"
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#include "compiler/CError.h"
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#include "compiler/CFunc.h"
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#include "compiler/CInt64.h"
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#include "compiler/objects.h"
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#include "compiler/CParser.h"
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#include "compiler/PCode.h"
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ObjectList *switchtables;
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static void *caselabels;
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static void *caseranges;
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static SInt32 ncases;
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static SInt32 nranges_minus1;
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static CInt64 min;
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static CInt64 max;
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static CInt64 first;
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static short selector_gpr;
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static short selector_gprHi;
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static Type *selector_type;
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static PCodeLabel *defaultlabel;
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static CInt64 range;
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static void compare_cases() {
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}
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static void build_case_ranges(Type *type, SwitchCase *cases, CLabel *label) {
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}
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static void treecompare() {
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}
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static void I8_treecompare() {
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}
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static void generate_tree(ENode *expr) {
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}
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static void create_switch_table() {
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}
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static void generate_table(ENode *expr, SwitchInfo *info) {
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}
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void switchstatement(ENode *expr, SwitchInfo *info) {
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Boolean use_table;
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SwitchCase *swcase;
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use_table = copts.switch_tables;
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ncases = 0;
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for (swcase = info->cases; swcase; swcase = swcase->next) {
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if (!swcase->label->pclabel)
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swcase->label->pclabel = makepclabel();
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ncases++;
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}
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#line 656
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CError_ASSERT(ncases >= 0 && ncases <= 0x3333332);
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if (!info->defaultlabel->pclabel)
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info->defaultlabel->pclabel = makepclabel();
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defaultlabel = info->defaultlabel->pclabel;
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build_case_ranges(expr->rtype, info->cases, info->defaultlabel);
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if (TYPE_IS_8BYTES(expr->rtype)) {
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generate_tree(expr);
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return;
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}
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if (!use_table || nranges_minus1 < 8 || (nranges_minus1 * 2) < ((range.lo / 1) + 4))
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generate_tree(expr);
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else
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generate_table(expr, info);
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}
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void dumpswitchtables(Object *funcobj) {
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}
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