mirror of
https://github.com/Ponce/slackbuilds
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79 lines
2.2 KiB
Diff
79 lines
2.2 KiB
Diff
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Index: ForthVM.cpp
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===================================================================
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--- ForthVM.cpp (revision 7)
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+++ ForthVM.cpp (working copy)
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@@ -155,6 +155,14 @@
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// PUSH_IVAL and PUSH_ADDR
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// 2011-02-06 km fixed problem with FS. not restoring original precision.
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// 2011-03-05 km removed commented out code which was replaced by macros.
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+// 2011-03-10 km added global string dir_env_var to allow default directory
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+// environment variable to be specified externally, in the
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+// Makefile.
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+// 2011-11-01 km revised CPP_allot to ensure all created words which have
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+// ALLOTed memory also have appropriate execution code;
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+// This change also allows removal of common code from
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+// CPP_variable and CPP_fvariable.
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+const char* dir_env_var=DIR_ENV_VAR;
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#include <string.h>
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#include <stdlib.h>
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@@ -1550,6 +1558,13 @@
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{
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id->Pfa = new byte[n];
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if (id->Pfa) memset (id->Pfa, 0, n);
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+
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+ // Provide execution code to the word to return its Pfa
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+ byte *bp = new byte[6];
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+ id->Cfa = bp;
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+ bp[0] = OP_ADDR;
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+ *((int*) &bp[1]) = (int) id->Pfa;
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+ bp[5] = OP_RET;
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}
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else
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return E_V_REALLOT;
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@@ -1642,14 +1657,7 @@
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DEC_DSP
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STD_IVAL
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int e = CPP_allot();
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- if (e) return e;
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- WordIndex id = pCompilationWL->end() - 1;
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- byte *bp = new byte[6];
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- id->Cfa = bp;
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- bp[0] = OP_ADDR;
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- *((int*) &bp[1]) = (int) id->Pfa;
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- bp[5] = OP_RET;
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- return 0;
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+ return e;
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}
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//-----------------------------------------------------------------
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@@ -1662,14 +1670,7 @@
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DEC_DSP
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STD_IVAL
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int e = CPP_allot();
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- if (e) return e;
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- WordIndex id = pCompilationWL->end() - 1;
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- byte *bp = new byte[6];
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- id->Cfa = bp;
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- bp[0] = OP_ADDR;
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- *((int*) &bp[1]) = (int) id->Pfa;
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- bp[5] = OP_RET;
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- return 0;
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+ return e;
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}
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//------------------------------------------------------------------
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@@ -2464,10 +2465,10 @@
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ifstream f(filename);
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if (!f)
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{
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- if (getenv("KFORTH_DIR"))
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+ if (getenv(dir_env_var))
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{
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char temp[256];
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- strcpy(temp, getenv("KFORTH_DIR"));
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+ strcpy(temp, getenv(dir_env_var));
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strcat(temp, "/");
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strcat(temp, filename);
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strcpy(filename, temp);
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