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https://github.com/DrBeef/Raze.git
synced 2024-11-16 01:11:28 +00:00
- safety commit
This commit is contained in:
Christoph Oelckers
parent
56975d3ee2
commit
248e0503d8
2 changed files with 57 additions and 80 deletions
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@ -53,6 +53,7 @@ int g_currentSourceFile;
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intptr_t parsing_actor;
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int parsing_state;
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int num_squigilly_brackets;
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int checking_ifelse;
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//G_EXTERN char tempbuf[MAXSECTORS << 1], buf[1024]; todo - move to compile state. tempbuf gets used nearly everywhere as scratchpad memory.
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extern char tempbuf[];
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@ -252,6 +253,7 @@ void skipblockcomment()
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if (*textptr == 0) return; // reached the end of the file
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textptr++;
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}
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textptr += 2;
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}
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bool skipcomments()
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@ -373,6 +375,11 @@ static void setscriptvalue(int offset, int value)
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script[offset] = value;
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}
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int scriptpos()
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{
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return script.Size();
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}
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// store addresses as offsets
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static void setscriptaddress(int offset, int* address)
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{
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@ -396,6 +403,11 @@ void pushlabeladdress()
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labelcode.Push(script.Size());
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}
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void reservescriptspace(int space)
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{
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script.Reserve(space);
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}
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#else
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// Helpers to write to the old script buffer while using the new interface. Allows to test the parser before implementing the rest.
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@ -423,6 +435,11 @@ static int popscriptvalue()
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return *--scriptptr;
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}
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int scriptpos()
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{
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return int(scriptptr - apScript);
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}
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void appendlabeladdress(int offset = 0)
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{
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labelcode[labelcnt++] = int(scriptptr - apScript) + offset;
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@ -435,6 +452,11 @@ void appendlabelvalue(int value)
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labelcnt++;
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}
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void reservescriptspace(int space)
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{
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scriptptr += space;
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}
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#endif
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@ -899,15 +921,13 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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getlabel();
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checkforkeyword();
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for (i = 0; i < labelcnt; i++)
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if (strcmp(label + (labelcnt << 6), label + (i << 6)) == 0)
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lnum = findlabel(label + (labelcnt << 6));
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if (lnum >= 0)
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{
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warningcount++;
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Printf(TEXTCOLOR_RED " * WARNING.(%s, line %d) Duplicate ai '%s' ignored.\n", fn, line_number, label + (labelcnt << 6));
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break;
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}
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if (i == labelcnt) appendlabeladdress();
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else appendlabeladdress();
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for (j = 0; j < 3; j++)
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{
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@ -932,7 +952,6 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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}
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return 0;
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#if 0
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case concmd_action:
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if (parsing_actor || parsing_state)
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transnum();
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@ -940,25 +959,15 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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{
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popscriptvalue();
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getlabel();
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// Check to see it's already defined
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checkforkeyword();
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if (getkeyword(label + (labelcnt << 6)) >= 0)
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{
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errorcount++;
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ReportError(ERROR_ISAKEYWORD);
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return 0;
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}
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for (i = 0; i < labelcnt; i++)
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if (strcmp(label + (labelcnt << 6), label + (i << 6)) == 0)
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lnum = findlabel(label + (labelcnt << 6));
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if (lnum >= 0)
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{
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warningcount++;
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Printf(TEXTCOLOR_RED " * WARNING.(%s, line %d) Duplicate event '%s' ignored.\n", fn, line_number, label + (labelcnt << 6));
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break;
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}
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if (i == labelcnt)
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labelcode[labelcnt++] = (intptr_t)scriptptr;
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else appendlabeladdress();
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for (j = 0; j < 5; j++)
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{
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@ -973,6 +982,7 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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return 0;
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case concmd_actor:
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{
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if (parsing_state)
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{
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Printf(TEXTCOLOR_RED " * ERROR!(%s, line %d) Found 'actor' within 'state'.\n", fn, line_number);
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@ -987,23 +997,27 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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num_squigilly_brackets = 0;
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popscriptvalue();
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parsing_actor = scriptptr;
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parsing_actor = scriptpos();
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transnum();
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popscriptvalue();
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actorscrptr[*scriptptr] = parsing_actor;
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lnum = popscriptvalue();
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#if 1
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g_tile[lnum].execPtr = apScript + parsing_actor; // TRANSITIONAL should only store an index
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#else
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//actorscrptr[lnum] = parsing_actor;
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#endif
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for (j = 0; j < 4; j++)
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{
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*(parsing_actor + j) = 0;
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setscriptvalue(parsing_actor + j, 0);
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if (j == 3)
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{
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j = 0;
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while (keyword() == -1)
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{
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transnum();
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popscriptvalue();
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j |= *scriptptr;
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j |= popscriptvalue();
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}
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appendscriptvalue(j);
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break;
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@ -1012,19 +1026,22 @@ int parsecommand(int tw) // for now just run an externally parsed command.
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{
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if (keyword() >= 0)
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{
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scriptptr += (4 - j);
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reservescriptspace(4 - j);
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break;
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}
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transnum();
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setscriptvalue(parsing_actor + j, 0);
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*(parsing_actor + j) = *(scriptptr - 1);
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//*(parsing_actor + j) = *(scriptptr - 1);
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}
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}
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checking_ifelse = 0;
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return 0;
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}
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#if 0
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case concmd_onevent:
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if (parsing_state)
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{
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@ -959,6 +959,7 @@ static int32_t C_ParseCommand(int32_t loop)
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case concmd_move:
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case concmd_music:
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case concmd_ai:
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case concmd_action:
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parsecommand(g_lastKeyword);
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continue;
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@ -1038,50 +1039,6 @@ static int32_t C_ParseCommand(int32_t loop)
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continue;
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case concmd_action:
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if (parsing_actor || parsing_state)
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{
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C_GetNextValue(LABEL_ACTION);
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}
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else
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{
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scriptptr--;
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C_GetNextLabelName();
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// Check to see it's already defined
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if (getkeyword(label + (labelcnt << 6)) >= 0)
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{
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errorcount++;
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C_ReportError(ERROR_ISAKEYWORD);
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continue;
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}
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i = findlabel(label+(labelcnt<<6));
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if (EDUKE32_PREDICT_FALSE(i>=0))
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{
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warningcount++;
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Printf("%s:%d: warning: duplicate action `%s' ignored.\n",g_scriptFileName,line_number,label+(labelcnt<<6));
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}
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else
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{
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//labeltype[labelcnt] = LABEL_ACTION;
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labelcode[labelcnt] = scriptptr-apScript;
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labelcnt++;
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}
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for (j=ACTION_PARAM_COUNT-1; j>=0; j--)
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{
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if (C_GetKeyword() != -1) break;
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C_GetNextValue(LABEL_DEFINE);
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}
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for (k=j; k>=0; k--)
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{
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BITPTR_CLEAR(scriptptr-apScript);
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*(scriptptr++) = 0;
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}
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}
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continue;
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case concmd_actor:
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case concmd_useractor:
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if (EDUKE32_PREDICT_FALSE(parsing_state || parsing_actor))
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@ -1200,7 +1157,10 @@ static int32_t C_ParseCommand(int32_t loop)
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break;
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}
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if (*(scriptptr - 1) >= (intptr_t)&apScript[0] && *(scriptptr - 1) < (intptr_t)&apScript[g_scriptSize])
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{
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int a = 0;
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BITPTR_SET(parsing_actor + j);
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}
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else BITPTR_CLEAR(parsing_actor+j);
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*((apScript+j)+parsing_actor) = *(scriptptr-1);
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}
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